2005-09-16 21:40:52 +02:00
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/*
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* x86-64 signal handling routines
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*
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* Copyright 1999, 2005 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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2006-05-18 14:49:52 +02:00
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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2005-09-16 21:40:52 +02:00
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*/
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#ifdef __x86_64__
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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2014-07-23 16:30:13 +02:00
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#include <sys/types.h>
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2005-09-16 21:40:52 +02:00
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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2010-05-24 04:18:17 +02:00
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#ifdef HAVE_MACHINE_SYSARCH_H
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# include <machine/sysarch.h>
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#endif
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2005-09-16 21:40:52 +02:00
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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2014-07-24 20:43:33 +02:00
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#ifdef HAVE_SYSCALL_H
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# include <syscall.h>
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#else
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# ifdef HAVE_SYS_SYSCALL_H
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# include <sys/syscall.h>
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# endif
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#endif
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2005-09-16 21:40:52 +02:00
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#ifdef HAVE_SYS_SIGNAL_H
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# include <sys/signal.h>
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#endif
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2014-07-23 16:30:13 +02:00
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#ifdef HAVE_SYS_UCONTEXT_H
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# include <sys/ucontext.h>
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#endif
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2015-06-05 07:41:24 +02:00
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#ifdef HAVE_LIBUNWIND_H
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# define UNW_LOCAL_ONLY
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# include <libunwind.h>
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#endif
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2005-09-16 21:40:52 +02:00
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#define NONAMELESSUNION
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2009-05-15 20:18:59 +02:00
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#define NONAMELESSSTRUCT
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2009-04-08 19:38:02 +02:00
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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2005-09-16 21:40:52 +02:00
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#include "windef.h"
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#include "winternl.h"
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#include "wine/library.h"
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#include "wine/exception.h"
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2014-04-07 00:22:07 +02:00
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#include "wine/list.h"
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2005-09-16 21:40:52 +02:00
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#include "ntdll_misc.h"
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#include "wine/debug.h"
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2010-02-22 21:03:35 +01:00
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#ifdef HAVE_VALGRIND_MEMCHECK_H
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#include <valgrind/memcheck.h>
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#endif
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2005-09-16 21:40:52 +02:00
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WINE_DEFAULT_DEBUG_CHANNEL(seh);
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2017-11-29 19:42:53 +01:00
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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2005-09-16 21:40:52 +02:00
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2009-05-22 11:52:13 +02:00
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struct _DISPATCHER_CONTEXT;
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2009-05-22 12:00:43 +02:00
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typedef LONG (WINAPI *PC_LANGUAGE_EXCEPTION_HANDLER)( EXCEPTION_POINTERS *ptrs, ULONG64 frame );
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2009-05-22 11:52:13 +02:00
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typedef EXCEPTION_DISPOSITION (WINAPI *PEXCEPTION_ROUTINE)( EXCEPTION_RECORD *rec,
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ULONG64 frame,
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CONTEXT *context,
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struct _DISPATCHER_CONTEXT *dispatch );
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2016-08-03 08:52:12 +02:00
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typedef void (WINAPI *TERMINATION_HANDLER)( ULONG flags, ULONG64 frame );
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2009-05-22 11:52:13 +02:00
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typedef struct _DISPATCHER_CONTEXT
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{
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ULONG64 ControlPc;
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ULONG64 ImageBase;
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PRUNTIME_FUNCTION FunctionEntry;
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ULONG64 EstablisherFrame;
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ULONG64 TargetIp;
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PCONTEXT ContextRecord;
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PEXCEPTION_ROUTINE LanguageHandler;
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PVOID HandlerData;
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PUNWIND_HISTORY_TABLE HistoryTable;
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ULONG ScopeIndex;
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} DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT;
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2009-05-22 12:00:43 +02:00
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typedef struct _SCOPE_TABLE
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{
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ULONG Count;
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struct
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{
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ULONG BeginAddress;
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ULONG EndAddress;
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ULONG HandlerAddress;
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ULONG JumpTarget;
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} ScopeRecord[1];
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} SCOPE_TABLE, *PSCOPE_TABLE;
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2005-09-16 21:40:52 +02:00
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2011-02-01 16:34:04 +01:00
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/* layering violation: the setjmp buffer is defined in msvcrt, but used by RtlUnwindEx */
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struct MSVCRT_JUMP_BUFFER
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{
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ULONG64 Frame;
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ULONG64 Rbx;
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ULONG64 Rsp;
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ULONG64 Rbp;
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ULONG64 Rsi;
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ULONG64 Rdi;
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ULONG64 R12;
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ULONG64 R13;
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ULONG64 R14;
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ULONG64 R15;
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ULONG64 Rip;
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ULONG64 Spare;
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M128A Xmm6;
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M128A Xmm7;
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M128A Xmm8;
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M128A Xmm9;
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M128A Xmm10;
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M128A Xmm11;
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M128A Xmm12;
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M128A Xmm13;
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M128A Xmm14;
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M128A Xmm15;
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};
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2005-09-16 21:40:52 +02:00
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/***********************************************************************
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* signal context platform-specific definitions
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*/
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#ifdef linux
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2009-02-18 13:04:50 +01:00
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#include <asm/prctl.h>
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2014-07-24 20:43:33 +02:00
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static inline int arch_prctl( int func, void *ptr ) { return syscall( __NR_arch_prctl, func, ptr ); }
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2009-02-18 13:04:50 +01:00
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2005-09-16 21:40:52 +02:00
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#define RAX_sig(context) ((context)->uc_mcontext.gregs[REG_RAX])
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#define RBX_sig(context) ((context)->uc_mcontext.gregs[REG_RBX])
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#define RCX_sig(context) ((context)->uc_mcontext.gregs[REG_RCX])
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#define RDX_sig(context) ((context)->uc_mcontext.gregs[REG_RDX])
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#define RSI_sig(context) ((context)->uc_mcontext.gregs[REG_RSI])
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#define RDI_sig(context) ((context)->uc_mcontext.gregs[REG_RDI])
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#define RBP_sig(context) ((context)->uc_mcontext.gregs[REG_RBP])
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#define R8_sig(context) ((context)->uc_mcontext.gregs[REG_R8])
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#define R9_sig(context) ((context)->uc_mcontext.gregs[REG_R9])
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#define R10_sig(context) ((context)->uc_mcontext.gregs[REG_R10])
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#define R11_sig(context) ((context)->uc_mcontext.gregs[REG_R11])
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#define R12_sig(context) ((context)->uc_mcontext.gregs[REG_R12])
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#define R13_sig(context) ((context)->uc_mcontext.gregs[REG_R13])
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#define R14_sig(context) ((context)->uc_mcontext.gregs[REG_R14])
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#define R15_sig(context) ((context)->uc_mcontext.gregs[REG_R15])
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#define CS_sig(context) (*((WORD *)&(context)->uc_mcontext.gregs[REG_CSGSFS] + 0))
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#define GS_sig(context) (*((WORD *)&(context)->uc_mcontext.gregs[REG_CSGSFS] + 1))
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#define FS_sig(context) (*((WORD *)&(context)->uc_mcontext.gregs[REG_CSGSFS] + 2))
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#define RSP_sig(context) ((context)->uc_mcontext.gregs[REG_RSP])
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#define RIP_sig(context) ((context)->uc_mcontext.gregs[REG_RIP])
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#define EFL_sig(context) ((context)->uc_mcontext.gregs[REG_EFL])
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#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO])
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#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR])
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#define FPU_sig(context) ((XMM_SAVE_AREA32 *)((context)->uc_mcontext.fpregs))
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2011-01-16 00:53:13 +01:00
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#elif defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
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2010-05-31 22:19:38 +02:00
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#define RAX_sig(context) ((context)->uc_mcontext.mc_rax)
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#define RBX_sig(context) ((context)->uc_mcontext.mc_rbx)
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#define RCX_sig(context) ((context)->uc_mcontext.mc_rcx)
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#define RDX_sig(context) ((context)->uc_mcontext.mc_rdx)
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#define RSI_sig(context) ((context)->uc_mcontext.mc_rsi)
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#define RDI_sig(context) ((context)->uc_mcontext.mc_rdi)
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#define RBP_sig(context) ((context)->uc_mcontext.mc_rbp)
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#define R8_sig(context) ((context)->uc_mcontext.mc_r8)
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#define R9_sig(context) ((context)->uc_mcontext.mc_r9)
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#define R10_sig(context) ((context)->uc_mcontext.mc_r10)
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#define R11_sig(context) ((context)->uc_mcontext.mc_r11)
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#define R12_sig(context) ((context)->uc_mcontext.mc_r12)
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#define R13_sig(context) ((context)->uc_mcontext.mc_r13)
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#define R14_sig(context) ((context)->uc_mcontext.mc_r14)
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#define R15_sig(context) ((context)->uc_mcontext.mc_r15)
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#define CS_sig(context) ((context)->uc_mcontext.mc_cs)
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#define DS_sig(context) ((context)->uc_mcontext.mc_ds)
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#define ES_sig(context) ((context)->uc_mcontext.mc_es)
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#define FS_sig(context) ((context)->uc_mcontext.mc_fs)
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#define GS_sig(context) ((context)->uc_mcontext.mc_gs)
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#define SS_sig(context) ((context)->uc_mcontext.mc_ss)
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#define EFL_sig(context) ((context)->uc_mcontext.mc_rflags)
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#define RIP_sig(context) ((context)->uc_mcontext.mc_rip)
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#define RSP_sig(context) ((context)->uc_mcontext.mc_rsp)
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#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno)
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#define ERROR_sig(context) ((context)->uc_mcontext.mc_err)
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#define FPU_sig(context) ((XMM_SAVE_AREA32 *)((context)->uc_mcontext.mc_fpstate))
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#elif defined(__NetBSD__)
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2009-01-19 20:11:50 +01:00
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#define RAX_sig(context) ((context)->uc_mcontext.__gregs[_REG_RAX])
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#define RBX_sig(context) ((context)->uc_mcontext.__gregs[_REG_RBX])
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#define RCX_sig(context) ((context)->uc_mcontext.__gregs[_REG_RCX])
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#define RDX_sig(context) ((context)->uc_mcontext.__gregs[_REG_RDX])
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#define RSI_sig(context) ((context)->uc_mcontext.__gregs[_REG_RSI])
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#define RDI_sig(context) ((context)->uc_mcontext.__gregs[_REG_RDI])
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#define RBP_sig(context) ((context)->uc_mcontext.__gregs[_REG_RBP])
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#define R8_sig(context) ((context)->uc_mcontext.__gregs[_REG_R8])
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#define R9_sig(context) ((context)->uc_mcontext.__gregs[_REG_R9])
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#define R10_sig(context) ((context)->uc_mcontext.__gregs[_REG_R10])
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#define R11_sig(context) ((context)->uc_mcontext.__gregs[_REG_R11])
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#define R12_sig(context) ((context)->uc_mcontext.__gregs[_REG_R12])
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#define R13_sig(context) ((context)->uc_mcontext.__gregs[_REG_R13])
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#define R14_sig(context) ((context)->uc_mcontext.__gregs[_REG_R14])
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#define R15_sig(context) ((context)->uc_mcontext.__gregs[_REG_R15])
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#define CS_sig(context) ((context)->uc_mcontext.__gregs[_REG_CS])
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#define DS_sig(context) ((context)->uc_mcontext.__gregs[_REG_DS])
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#define ES_sig(context) ((context)->uc_mcontext.__gregs[_REG_ES])
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#define FS_sig(context) ((context)->uc_mcontext.__gregs[_REG_FS])
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#define GS_sig(context) ((context)->uc_mcontext.__gregs[_REG_GS])
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#define SS_sig(context) ((context)->uc_mcontext.__gregs[_REG_SS])
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#define EFL_sig(context) ((context)->uc_mcontext.__gregs[_REG_RFL])
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#define RIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext.__gregs[_REG_RIP]))
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#define RSP_sig(context) (*((unsigned long*)&(context)->uc_mcontext.__gregs[_REG_URSP]))
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#define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO])
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#define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR])
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#define FPU_sig(context) ((XMM_SAVE_AREA32 *)((context)->uc_mcontext.__fpregs))
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2015-02-05 21:28:58 +01:00
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#elif defined (__APPLE__)
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#define RAX_sig(context) ((context)->uc_mcontext->__ss.__rax)
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#define RBX_sig(context) ((context)->uc_mcontext->__ss.__rbx)
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#define RCX_sig(context) ((context)->uc_mcontext->__ss.__rcx)
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#define RDX_sig(context) ((context)->uc_mcontext->__ss.__rdx)
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#define RSI_sig(context) ((context)->uc_mcontext->__ss.__rsi)
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#define RDI_sig(context) ((context)->uc_mcontext->__ss.__rdi)
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#define RBP_sig(context) ((context)->uc_mcontext->__ss.__rbp)
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#define R8_sig(context) ((context)->uc_mcontext->__ss.__r8)
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#define R9_sig(context) ((context)->uc_mcontext->__ss.__r9)
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#define R10_sig(context) ((context)->uc_mcontext->__ss.__r10)
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#define R11_sig(context) ((context)->uc_mcontext->__ss.__r11)
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#define R12_sig(context) ((context)->uc_mcontext->__ss.__r12)
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#define R13_sig(context) ((context)->uc_mcontext->__ss.__r13)
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#define R14_sig(context) ((context)->uc_mcontext->__ss.__r14)
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#define R15_sig(context) ((context)->uc_mcontext->__ss.__r15)
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#define CS_sig(context) ((context)->uc_mcontext->__ss.__cs)
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#define FS_sig(context) ((context)->uc_mcontext->__ss.__fs)
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#define GS_sig(context) ((context)->uc_mcontext->__ss.__gs)
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#define EFL_sig(context) ((context)->uc_mcontext->__ss.__rflags)
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#define RIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext->__ss.__rip))
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#define RSP_sig(context) (*((unsigned long*)&(context)->uc_mcontext->__ss.__rsp))
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#define TRAP_sig(context) ((context)->uc_mcontext->__es.__trapno)
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#define ERROR_sig(context) ((context)->uc_mcontext->__es.__err)
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#define FPU_sig(context) ((XMM_SAVE_AREA32 *)&(context)->uc_mcontext->__fs.__fpu_fcw)
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2010-05-31 22:19:38 +02:00
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#else
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#error You must define the signal context functions for your platform
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#endif
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2009-01-19 20:11:50 +01:00
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2006-02-03 12:30:55 +01:00
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enum i386_trap_code
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{
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TRAP_x86_UNKNOWN = -1, /* Unknown fault (TRAP_sig not defined) */
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TRAP_x86_DIVIDE = 0, /* Division by zero exception */
|
|
|
|
TRAP_x86_TRCTRAP = 1, /* Single-step exception */
|
|
|
|
TRAP_x86_NMI = 2, /* NMI interrupt */
|
|
|
|
TRAP_x86_BPTFLT = 3, /* Breakpoint exception */
|
|
|
|
TRAP_x86_OFLOW = 4, /* Overflow exception */
|
|
|
|
TRAP_x86_BOUND = 5, /* Bound range exception */
|
|
|
|
TRAP_x86_PRIVINFLT = 6, /* Invalid opcode exception */
|
|
|
|
TRAP_x86_DNA = 7, /* Device not available exception */
|
|
|
|
TRAP_x86_DOUBLEFLT = 8, /* Double fault exception */
|
|
|
|
TRAP_x86_FPOPFLT = 9, /* Coprocessor segment overrun */
|
|
|
|
TRAP_x86_TSSFLT = 10, /* Invalid TSS exception */
|
|
|
|
TRAP_x86_SEGNPFLT = 11, /* Segment not present exception */
|
|
|
|
TRAP_x86_STKFLT = 12, /* Stack fault */
|
|
|
|
TRAP_x86_PROTFLT = 13, /* General protection fault */
|
|
|
|
TRAP_x86_PAGEFLT = 14, /* Page fault */
|
|
|
|
TRAP_x86_ARITHTRAP = 16, /* Floating point exception */
|
|
|
|
TRAP_x86_ALIGNFLT = 17, /* Alignment check exception */
|
|
|
|
TRAP_x86_MCHK = 18, /* Machine check exception */
|
|
|
|
TRAP_x86_CACHEFLT = 19 /* Cache flush exception */
|
|
|
|
};
|
2005-09-16 21:40:52 +02:00
|
|
|
|
2009-06-16 15:27:48 +02:00
|
|
|
static const size_t teb_size = 0x2000; /* we reserve two pages for the TEB */
|
|
|
|
static size_t signal_stack_size;
|
|
|
|
|
|
|
|
typedef void (*raise_func)( EXCEPTION_RECORD *rec, CONTEXT *context );
|
2005-09-16 21:40:52 +02:00
|
|
|
typedef int (*wine_signal_handler)(unsigned int sig);
|
|
|
|
|
|
|
|
static wine_signal_handler handlers[256];
|
|
|
|
|
2017-07-19 15:14:24 +02:00
|
|
|
struct amd64_thread_data
|
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
DWORD_PTR dr0; /* debug registers */
|
|
|
|
DWORD_PTR dr1;
|
|
|
|
DWORD_PTR dr2;
|
|
|
|
DWORD_PTR dr3;
|
|
|
|
DWORD_PTR dr6;
|
|
|
|
DWORD_PTR dr7;
|
2017-07-19 15:14:24 +02:00
|
|
|
void *exit_frame; /* exit frame pointer */
|
|
|
|
};
|
|
|
|
|
2017-07-19 15:20:42 +02:00
|
|
|
C_ASSERT( sizeof(struct amd64_thread_data) <= sizeof(((TEB *)0)->SystemReserved2) );
|
2017-07-19 15:14:24 +02:00
|
|
|
|
|
|
|
static inline struct amd64_thread_data *amd64_thread_data(void)
|
|
|
|
{
|
2017-07-19 15:20:42 +02:00
|
|
|
return (struct amd64_thread_data *)NtCurrentTeb()->SystemReserved2;
|
2017-07-19 15:14:24 +02:00
|
|
|
}
|
|
|
|
|
2014-04-07 00:22:07 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* Dynamic unwind table
|
|
|
|
*/
|
|
|
|
|
|
|
|
struct dynamic_unwind_entry
|
|
|
|
{
|
|
|
|
struct list entry;
|
|
|
|
|
|
|
|
/* memory region which matches this entry */
|
|
|
|
DWORD64 base;
|
|
|
|
DWORD size;
|
|
|
|
|
|
|
|
/* lookup table */
|
|
|
|
RUNTIME_FUNCTION *table;
|
|
|
|
DWORD table_size;
|
2014-04-07 00:41:30 +02:00
|
|
|
|
|
|
|
/* user defined callback */
|
|
|
|
PGET_RUNTIME_FUNCTION_CALLBACK callback;
|
|
|
|
PVOID context;
|
2014-04-07 00:22:07 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct list dynamic_unwind_list = LIST_INIT(dynamic_unwind_list);
|
|
|
|
|
|
|
|
static RTL_CRITICAL_SECTION dynamic_unwind_section;
|
|
|
|
static RTL_CRITICAL_SECTION_DEBUG dynamic_unwind_debug =
|
|
|
|
{
|
|
|
|
0, 0, &dynamic_unwind_section,
|
|
|
|
{ &dynamic_unwind_debug.ProcessLocksList, &dynamic_unwind_debug.ProcessLocksList },
|
|
|
|
0, 0, { (DWORD_PTR)(__FILE__ ": dynamic_unwind_section") }
|
|
|
|
};
|
|
|
|
static RTL_CRITICAL_SECTION dynamic_unwind_section = { &dynamic_unwind_debug, -1, 0, 0, 0, 0 };
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* Definitions for Win32 unwind tables
|
|
|
|
*/
|
2009-05-15 20:18:59 +02:00
|
|
|
|
|
|
|
union handler_data
|
|
|
|
{
|
|
|
|
RUNTIME_FUNCTION chain;
|
|
|
|
ULONG handler;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct opcode
|
|
|
|
{
|
|
|
|
BYTE offset;
|
|
|
|
BYTE code : 4;
|
|
|
|
BYTE info : 4;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct UNWIND_INFO
|
|
|
|
{
|
|
|
|
BYTE version : 3;
|
|
|
|
BYTE flags : 5;
|
|
|
|
BYTE prolog;
|
|
|
|
BYTE count;
|
|
|
|
BYTE frame_reg : 4;
|
|
|
|
BYTE frame_offset : 4;
|
|
|
|
struct opcode opcodes[1]; /* info->count entries */
|
|
|
|
/* followed by handler_data */
|
|
|
|
};
|
|
|
|
|
|
|
|
#define UWOP_PUSH_NONVOL 0
|
|
|
|
#define UWOP_ALLOC_LARGE 1
|
|
|
|
#define UWOP_ALLOC_SMALL 2
|
|
|
|
#define UWOP_SET_FPREG 3
|
|
|
|
#define UWOP_SAVE_NONVOL 4
|
|
|
|
#define UWOP_SAVE_NONVOL_FAR 5
|
|
|
|
#define UWOP_SAVE_XMM128 8
|
|
|
|
#define UWOP_SAVE_XMM128_FAR 9
|
|
|
|
#define UWOP_PUSH_MACHFRAME 10
|
|
|
|
|
|
|
|
static void dump_unwind_info( ULONG64 base, RUNTIME_FUNCTION *function )
|
|
|
|
{
|
|
|
|
static const char * const reg_names[16] =
|
|
|
|
{ "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
|
|
|
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" };
|
|
|
|
|
|
|
|
union handler_data *handler_data;
|
|
|
|
struct UNWIND_INFO *info;
|
|
|
|
unsigned int i, count;
|
|
|
|
|
|
|
|
TRACE( "**** func %x-%x\n", function->BeginAddress, function->EndAddress );
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
if (function->UnwindData & 1)
|
|
|
|
{
|
|
|
|
RUNTIME_FUNCTION *next = (RUNTIME_FUNCTION *)((char *)base + (function->UnwindData & ~1));
|
|
|
|
TRACE( "unwind info for function %p-%p chained to function %p-%p\n",
|
|
|
|
(char *)base + function->BeginAddress, (char *)base + function->EndAddress,
|
|
|
|
(char *)base + next->BeginAddress, (char *)base + next->EndAddress );
|
|
|
|
function = next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
info = (struct UNWIND_INFO *)((char *)base + function->UnwindData);
|
|
|
|
|
|
|
|
TRACE( "unwind info at %p flags %x prolog 0x%x bytes function %p-%p\n",
|
|
|
|
info, info->flags, info->prolog,
|
|
|
|
(char *)base + function->BeginAddress, (char *)base + function->EndAddress );
|
|
|
|
|
|
|
|
if (info->frame_reg)
|
|
|
|
TRACE( " frame register %s offset 0x%x(%%rsp)\n",
|
|
|
|
reg_names[info->frame_reg], info->frame_offset * 16 );
|
|
|
|
|
|
|
|
for (i = 0; i < info->count; i++)
|
|
|
|
{
|
|
|
|
TRACE( " 0x%x: ", info->opcodes[i].offset );
|
|
|
|
switch (info->opcodes[i].code)
|
|
|
|
{
|
|
|
|
case UWOP_PUSH_NONVOL:
|
|
|
|
TRACE( "pushq %%%s\n", reg_names[info->opcodes[i].info] );
|
|
|
|
break;
|
|
|
|
case UWOP_ALLOC_LARGE:
|
|
|
|
if (info->opcodes[i].info)
|
|
|
|
{
|
|
|
|
count = *(DWORD *)&info->opcodes[i+1];
|
|
|
|
i += 2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
count = *(USHORT *)&info->opcodes[i+1] * 8;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
TRACE( "subq $0x%x,%%rsp\n", count );
|
|
|
|
break;
|
|
|
|
case UWOP_ALLOC_SMALL:
|
|
|
|
count = (info->opcodes[i].info + 1) * 8;
|
|
|
|
TRACE( "subq $0x%x,%%rsp\n", count );
|
|
|
|
break;
|
|
|
|
case UWOP_SET_FPREG:
|
|
|
|
TRACE( "leaq 0x%x(%%rsp),%s\n",
|
|
|
|
info->frame_offset * 16, reg_names[info->frame_reg] );
|
|
|
|
break;
|
|
|
|
case UWOP_SAVE_NONVOL:
|
|
|
|
count = *(USHORT *)&info->opcodes[i+1] * 8;
|
|
|
|
TRACE( "movq %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count );
|
|
|
|
i++;
|
|
|
|
break;
|
|
|
|
case UWOP_SAVE_NONVOL_FAR:
|
|
|
|
count = *(DWORD *)&info->opcodes[i+1];
|
|
|
|
TRACE( "movq %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count );
|
|
|
|
i += 2;
|
|
|
|
break;
|
|
|
|
case UWOP_SAVE_XMM128:
|
|
|
|
count = *(USHORT *)&info->opcodes[i+1] * 16;
|
|
|
|
TRACE( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count );
|
|
|
|
i++;
|
|
|
|
break;
|
|
|
|
case UWOP_SAVE_XMM128_FAR:
|
|
|
|
count = *(DWORD *)&info->opcodes[i+1];
|
|
|
|
TRACE( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count );
|
|
|
|
i += 2;
|
|
|
|
break;
|
|
|
|
case UWOP_PUSH_MACHFRAME:
|
|
|
|
TRACE( "PUSH_MACHFRAME %u\n", info->opcodes[i].info );
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME( "unknown code %u\n", info->opcodes[i].code );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
handler_data = (union handler_data *)&info->opcodes[(info->count + 1) & ~1];
|
|
|
|
if (info->flags & UNW_FLAG_CHAININFO)
|
|
|
|
{
|
|
|
|
TRACE( " chained to function %p-%p\n",
|
|
|
|
(char *)base + handler_data->chain.BeginAddress,
|
|
|
|
(char *)base + handler_data->chain.EndAddress );
|
|
|
|
function = &handler_data->chain;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (info->flags & (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER))
|
|
|
|
TRACE( " handler %p data at %p\n",
|
|
|
|
(char *)base + handler_data->handler, &handler_data->handler + 1 );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-05-22 12:00:43 +02:00
|
|
|
static void dump_scope_table( ULONG64 base, const SCOPE_TABLE *table )
|
|
|
|
{
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
TRACE( "scope table at %p\n", table );
|
|
|
|
for (i = 0; i < table->Count; i++)
|
|
|
|
TRACE( " %u: %lx-%lx handler %lx target %lx\n", i,
|
|
|
|
base + table->ScopeRecord[i].BeginAddress,
|
|
|
|
base + table->ScopeRecord[i].EndAddress,
|
|
|
|
base + table->ScopeRecord[i].HandlerAddress,
|
|
|
|
base + table->ScopeRecord[i].JumpTarget );
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* Definitions for Dwarf unwind tables
|
|
|
|
*/
|
|
|
|
|
|
|
|
enum dwarf_call_frame_info
|
|
|
|
{
|
|
|
|
DW_CFA_advance_loc = 0x40,
|
|
|
|
DW_CFA_offset = 0x80,
|
|
|
|
DW_CFA_restore = 0xc0,
|
|
|
|
DW_CFA_nop = 0x00,
|
|
|
|
DW_CFA_set_loc = 0x01,
|
|
|
|
DW_CFA_advance_loc1 = 0x02,
|
|
|
|
DW_CFA_advance_loc2 = 0x03,
|
|
|
|
DW_CFA_advance_loc4 = 0x04,
|
|
|
|
DW_CFA_offset_extended = 0x05,
|
|
|
|
DW_CFA_restore_extended = 0x06,
|
|
|
|
DW_CFA_undefined = 0x07,
|
|
|
|
DW_CFA_same_value = 0x08,
|
|
|
|
DW_CFA_register = 0x09,
|
|
|
|
DW_CFA_remember_state = 0x0a,
|
|
|
|
DW_CFA_restore_state = 0x0b,
|
|
|
|
DW_CFA_def_cfa = 0x0c,
|
|
|
|
DW_CFA_def_cfa_register = 0x0d,
|
|
|
|
DW_CFA_def_cfa_offset = 0x0e,
|
|
|
|
DW_CFA_def_cfa_expression = 0x0f,
|
|
|
|
DW_CFA_expression = 0x10,
|
|
|
|
DW_CFA_offset_extended_sf = 0x11,
|
|
|
|
DW_CFA_def_cfa_sf = 0x12,
|
|
|
|
DW_CFA_def_cfa_offset_sf = 0x13,
|
|
|
|
DW_CFA_val_offset = 0x14,
|
|
|
|
DW_CFA_val_offset_sf = 0x15,
|
|
|
|
DW_CFA_val_expression = 0x16,
|
|
|
|
};
|
|
|
|
|
2009-08-28 18:25:20 +02:00
|
|
|
enum dwarf_operation
|
|
|
|
{
|
|
|
|
DW_OP_addr = 0x03,
|
|
|
|
DW_OP_deref = 0x06,
|
|
|
|
DW_OP_const1u = 0x08,
|
|
|
|
DW_OP_const1s = 0x09,
|
|
|
|
DW_OP_const2u = 0x0a,
|
|
|
|
DW_OP_const2s = 0x0b,
|
|
|
|
DW_OP_const4u = 0x0c,
|
|
|
|
DW_OP_const4s = 0x0d,
|
|
|
|
DW_OP_const8u = 0x0e,
|
|
|
|
DW_OP_const8s = 0x0f,
|
|
|
|
DW_OP_constu = 0x10,
|
|
|
|
DW_OP_consts = 0x11,
|
|
|
|
DW_OP_dup = 0x12,
|
|
|
|
DW_OP_drop = 0x13,
|
|
|
|
DW_OP_over = 0x14,
|
|
|
|
DW_OP_pick = 0x15,
|
|
|
|
DW_OP_swap = 0x16,
|
|
|
|
DW_OP_rot = 0x17,
|
|
|
|
DW_OP_xderef = 0x18,
|
|
|
|
DW_OP_abs = 0x19,
|
|
|
|
DW_OP_and = 0x1a,
|
|
|
|
DW_OP_div = 0x1b,
|
|
|
|
DW_OP_minus = 0x1c,
|
|
|
|
DW_OP_mod = 0x1d,
|
|
|
|
DW_OP_mul = 0x1e,
|
|
|
|
DW_OP_neg = 0x1f,
|
|
|
|
DW_OP_not = 0x20,
|
|
|
|
DW_OP_or = 0x21,
|
|
|
|
DW_OP_plus = 0x22,
|
|
|
|
DW_OP_plus_uconst = 0x23,
|
|
|
|
DW_OP_shl = 0x24,
|
|
|
|
DW_OP_shr = 0x25,
|
|
|
|
DW_OP_shra = 0x26,
|
|
|
|
DW_OP_xor = 0x27,
|
|
|
|
DW_OP_bra = 0x28,
|
|
|
|
DW_OP_eq = 0x29,
|
|
|
|
DW_OP_ge = 0x2a,
|
|
|
|
DW_OP_gt = 0x2b,
|
|
|
|
DW_OP_le = 0x2c,
|
|
|
|
DW_OP_lt = 0x2d,
|
|
|
|
DW_OP_ne = 0x2e,
|
|
|
|
DW_OP_skip = 0x2f,
|
|
|
|
DW_OP_lit0 = 0x30,
|
|
|
|
DW_OP_lit1 = 0x31,
|
|
|
|
DW_OP_lit2 = 0x32,
|
|
|
|
DW_OP_lit3 = 0x33,
|
|
|
|
DW_OP_lit4 = 0x34,
|
|
|
|
DW_OP_lit5 = 0x35,
|
|
|
|
DW_OP_lit6 = 0x36,
|
|
|
|
DW_OP_lit7 = 0x37,
|
|
|
|
DW_OP_lit8 = 0x38,
|
|
|
|
DW_OP_lit9 = 0x39,
|
|
|
|
DW_OP_lit10 = 0x3a,
|
|
|
|
DW_OP_lit11 = 0x3b,
|
|
|
|
DW_OP_lit12 = 0x3c,
|
|
|
|
DW_OP_lit13 = 0x3d,
|
|
|
|
DW_OP_lit14 = 0x3e,
|
|
|
|
DW_OP_lit15 = 0x3f,
|
|
|
|
DW_OP_lit16 = 0x40,
|
|
|
|
DW_OP_lit17 = 0x41,
|
|
|
|
DW_OP_lit18 = 0x42,
|
|
|
|
DW_OP_lit19 = 0x43,
|
|
|
|
DW_OP_lit20 = 0x44,
|
|
|
|
DW_OP_lit21 = 0x45,
|
|
|
|
DW_OP_lit22 = 0x46,
|
|
|
|
DW_OP_lit23 = 0x47,
|
|
|
|
DW_OP_lit24 = 0x48,
|
|
|
|
DW_OP_lit25 = 0x49,
|
|
|
|
DW_OP_lit26 = 0x4a,
|
|
|
|
DW_OP_lit27 = 0x4b,
|
|
|
|
DW_OP_lit28 = 0x4c,
|
|
|
|
DW_OP_lit29 = 0x4d,
|
|
|
|
DW_OP_lit30 = 0x4e,
|
|
|
|
DW_OP_lit31 = 0x4f,
|
|
|
|
DW_OP_reg0 = 0x50,
|
|
|
|
DW_OP_reg1 = 0x51,
|
|
|
|
DW_OP_reg2 = 0x52,
|
|
|
|
DW_OP_reg3 = 0x53,
|
|
|
|
DW_OP_reg4 = 0x54,
|
|
|
|
DW_OP_reg5 = 0x55,
|
|
|
|
DW_OP_reg6 = 0x56,
|
|
|
|
DW_OP_reg7 = 0x57,
|
|
|
|
DW_OP_reg8 = 0x58,
|
|
|
|
DW_OP_reg9 = 0x59,
|
|
|
|
DW_OP_reg10 = 0x5a,
|
|
|
|
DW_OP_reg11 = 0x5b,
|
|
|
|
DW_OP_reg12 = 0x5c,
|
|
|
|
DW_OP_reg13 = 0x5d,
|
|
|
|
DW_OP_reg14 = 0x5e,
|
|
|
|
DW_OP_reg15 = 0x5f,
|
|
|
|
DW_OP_reg16 = 0x60,
|
|
|
|
DW_OP_reg17 = 0x61,
|
|
|
|
DW_OP_reg18 = 0x62,
|
|
|
|
DW_OP_reg19 = 0x63,
|
|
|
|
DW_OP_reg20 = 0x64,
|
|
|
|
DW_OP_reg21 = 0x65,
|
|
|
|
DW_OP_reg22 = 0x66,
|
|
|
|
DW_OP_reg23 = 0x67,
|
|
|
|
DW_OP_reg24 = 0x68,
|
|
|
|
DW_OP_reg25 = 0x69,
|
|
|
|
DW_OP_reg26 = 0x6a,
|
|
|
|
DW_OP_reg27 = 0x6b,
|
|
|
|
DW_OP_reg28 = 0x6c,
|
|
|
|
DW_OP_reg29 = 0x6d,
|
|
|
|
DW_OP_reg30 = 0x6e,
|
|
|
|
DW_OP_reg31 = 0x6f,
|
|
|
|
DW_OP_breg0 = 0x70,
|
|
|
|
DW_OP_breg1 = 0x71,
|
|
|
|
DW_OP_breg2 = 0x72,
|
|
|
|
DW_OP_breg3 = 0x73,
|
|
|
|
DW_OP_breg4 = 0x74,
|
|
|
|
DW_OP_breg5 = 0x75,
|
|
|
|
DW_OP_breg6 = 0x76,
|
|
|
|
DW_OP_breg7 = 0x77,
|
|
|
|
DW_OP_breg8 = 0x78,
|
|
|
|
DW_OP_breg9 = 0x79,
|
|
|
|
DW_OP_breg10 = 0x7a,
|
|
|
|
DW_OP_breg11 = 0x7b,
|
|
|
|
DW_OP_breg12 = 0x7c,
|
|
|
|
DW_OP_breg13 = 0x7d,
|
|
|
|
DW_OP_breg14 = 0x7e,
|
|
|
|
DW_OP_breg15 = 0x7f,
|
|
|
|
DW_OP_breg16 = 0x80,
|
|
|
|
DW_OP_breg17 = 0x81,
|
|
|
|
DW_OP_breg18 = 0x82,
|
|
|
|
DW_OP_breg19 = 0x83,
|
|
|
|
DW_OP_breg20 = 0x84,
|
|
|
|
DW_OP_breg21 = 0x85,
|
|
|
|
DW_OP_breg22 = 0x86,
|
|
|
|
DW_OP_breg23 = 0x87,
|
|
|
|
DW_OP_breg24 = 0x88,
|
|
|
|
DW_OP_breg25 = 0x89,
|
|
|
|
DW_OP_breg26 = 0x8a,
|
|
|
|
DW_OP_breg27 = 0x8b,
|
|
|
|
DW_OP_breg28 = 0x8c,
|
|
|
|
DW_OP_breg29 = 0x8d,
|
|
|
|
DW_OP_breg30 = 0x8e,
|
|
|
|
DW_OP_breg31 = 0x8f,
|
|
|
|
DW_OP_regx = 0x90,
|
|
|
|
DW_OP_fbreg = 0x91,
|
|
|
|
DW_OP_bregx = 0x92,
|
|
|
|
DW_OP_piece = 0x93,
|
|
|
|
DW_OP_deref_size = 0x94,
|
|
|
|
DW_OP_xderef_size = 0x95,
|
|
|
|
DW_OP_nop = 0x96,
|
|
|
|
DW_OP_push_object_address = 0x97,
|
|
|
|
DW_OP_call2 = 0x98,
|
|
|
|
DW_OP_call4 = 0x99,
|
|
|
|
DW_OP_call_ref = 0x9a,
|
|
|
|
DW_OP_form_tls_address = 0x9b,
|
|
|
|
DW_OP_call_frame_cfa = 0x9c,
|
|
|
|
DW_OP_bit_piece = 0x9d,
|
|
|
|
DW_OP_lo_user = 0xe0,
|
|
|
|
DW_OP_hi_user = 0xff,
|
|
|
|
DW_OP_GNU_push_tls_address = 0xe0,
|
|
|
|
DW_OP_GNU_uninit = 0xf0,
|
|
|
|
DW_OP_GNU_encoded_addr = 0xf1,
|
|
|
|
};
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
#define DW_EH_PE_native 0x00
|
|
|
|
#define DW_EH_PE_leb128 0x01
|
|
|
|
#define DW_EH_PE_data2 0x02
|
|
|
|
#define DW_EH_PE_data4 0x03
|
|
|
|
#define DW_EH_PE_data8 0x04
|
|
|
|
#define DW_EH_PE_signed 0x08
|
|
|
|
#define DW_EH_PE_abs 0x00
|
|
|
|
#define DW_EH_PE_pcrel 0x10
|
|
|
|
#define DW_EH_PE_textrel 0x20
|
|
|
|
#define DW_EH_PE_datarel 0x30
|
|
|
|
#define DW_EH_PE_funcrel 0x40
|
|
|
|
#define DW_EH_PE_aligned 0x50
|
|
|
|
#define DW_EH_PE_indirect 0x80
|
|
|
|
#define DW_EH_PE_omit 0xff
|
|
|
|
|
|
|
|
struct dwarf_eh_bases
|
|
|
|
{
|
|
|
|
void *tbase;
|
|
|
|
void *dbase;
|
|
|
|
void *func;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct dwarf_cie
|
|
|
|
{
|
|
|
|
unsigned int length;
|
|
|
|
int id;
|
|
|
|
unsigned char version;
|
|
|
|
unsigned char augmentation[1];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct dwarf_fde
|
|
|
|
{
|
|
|
|
unsigned int length;
|
|
|
|
unsigned int cie_offset;
|
|
|
|
};
|
|
|
|
|
|
|
|
extern const struct dwarf_fde *_Unwind_Find_FDE (void *, struct dwarf_eh_bases *);
|
|
|
|
|
2009-08-28 18:25:20 +02:00
|
|
|
static unsigned char dwarf_get_u1( const unsigned char **p )
|
|
|
|
{
|
|
|
|
return *(*p)++;
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
static unsigned short dwarf_get_u2( const unsigned char **p )
|
|
|
|
{
|
|
|
|
unsigned int ret = (*p)[0] | ((*p)[1] << 8);
|
|
|
|
(*p) += 2;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static unsigned int dwarf_get_u4( const unsigned char **p )
|
|
|
|
{
|
|
|
|
unsigned int ret = (*p)[0] | ((*p)[1] << 8) | ((*p)[2] << 16) | ((*p)[3] << 24);
|
|
|
|
(*p) += 4;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ULONG64 dwarf_get_u8( const unsigned char **p )
|
|
|
|
{
|
|
|
|
ULONG64 low = dwarf_get_u4( p );
|
|
|
|
ULONG64 high = dwarf_get_u4( p );
|
|
|
|
return low | (high << 32);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ULONG_PTR dwarf_get_uleb128( const unsigned char **p )
|
|
|
|
{
|
|
|
|
ULONG_PTR ret = 0;
|
|
|
|
unsigned int shift = 0;
|
|
|
|
unsigned char byte;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
byte = **p;
|
|
|
|
ret |= (ULONG_PTR)(byte & 0x7f) << shift;
|
|
|
|
shift += 7;
|
|
|
|
(*p)++;
|
|
|
|
} while (byte & 0x80);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG_PTR dwarf_get_sleb128( const unsigned char **p )
|
|
|
|
{
|
|
|
|
ULONG_PTR ret = 0;
|
|
|
|
unsigned int shift = 0;
|
|
|
|
unsigned char byte;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
byte = **p;
|
|
|
|
ret |= (ULONG_PTR)(byte & 0x7f) << shift;
|
|
|
|
shift += 7;
|
|
|
|
(*p)++;
|
|
|
|
} while (byte & 0x80);
|
|
|
|
|
|
|
|
if ((shift < 8 * sizeof(ret)) && (byte & 0x40)) ret |= -((ULONG_PTR)1 << shift);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ULONG_PTR dwarf_get_ptr( const unsigned char **p, unsigned char encoding )
|
|
|
|
{
|
|
|
|
ULONG_PTR base;
|
|
|
|
|
|
|
|
if (encoding == DW_EH_PE_omit) return 0;
|
|
|
|
|
|
|
|
switch (encoding & 0xf0)
|
|
|
|
{
|
|
|
|
case DW_EH_PE_abs:
|
|
|
|
base = 0;
|
|
|
|
break;
|
|
|
|
case DW_EH_PE_pcrel:
|
|
|
|
base = (ULONG_PTR)*p;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME( "unsupported encoding %02x\n", encoding );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (encoding & 0x0f)
|
|
|
|
{
|
|
|
|
case DW_EH_PE_native:
|
|
|
|
return base + dwarf_get_u8( p );
|
|
|
|
case DW_EH_PE_leb128:
|
|
|
|
return base + dwarf_get_uleb128( p );
|
|
|
|
case DW_EH_PE_data2:
|
|
|
|
return base + dwarf_get_u2( p );
|
|
|
|
case DW_EH_PE_data4:
|
|
|
|
return base + dwarf_get_u4( p );
|
|
|
|
case DW_EH_PE_data8:
|
|
|
|
return base + dwarf_get_u8( p );
|
|
|
|
case DW_EH_PE_signed|DW_EH_PE_leb128:
|
|
|
|
return base + dwarf_get_sleb128( p );
|
|
|
|
case DW_EH_PE_signed|DW_EH_PE_data2:
|
|
|
|
return base + (signed short)dwarf_get_u2( p );
|
|
|
|
case DW_EH_PE_signed|DW_EH_PE_data4:
|
|
|
|
return base + (signed int)dwarf_get_u4( p );
|
|
|
|
case DW_EH_PE_signed|DW_EH_PE_data8:
|
|
|
|
return base + (LONG64)dwarf_get_u8( p );
|
|
|
|
default:
|
|
|
|
FIXME( "unsupported encoding %02x\n", encoding );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
enum reg_rule
|
|
|
|
{
|
2009-08-28 18:25:20 +02:00
|
|
|
RULE_UNSET, /* not set at all */
|
|
|
|
RULE_UNDEFINED, /* undefined value */
|
|
|
|
RULE_SAME, /* same value as previous frame */
|
|
|
|
RULE_CFA_OFFSET, /* stored at cfa offset */
|
|
|
|
RULE_OTHER_REG, /* stored in other register */
|
|
|
|
RULE_EXPRESSION, /* address specified by expression */
|
|
|
|
RULE_VAL_EXPRESSION /* value specified by expression */
|
2009-06-17 19:35:11 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
#define NB_FRAME_REGS 41
|
2010-05-03 22:01:05 +02:00
|
|
|
#define MAX_SAVED_STATES 16
|
|
|
|
|
|
|
|
struct frame_state
|
|
|
|
{
|
|
|
|
ULONG_PTR cfa_offset;
|
|
|
|
unsigned char cfa_reg;
|
|
|
|
enum reg_rule cfa_rule;
|
|
|
|
enum reg_rule rules[NB_FRAME_REGS];
|
|
|
|
ULONG64 regs[NB_FRAME_REGS];
|
|
|
|
};
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
struct frame_info
|
|
|
|
{
|
|
|
|
ULONG_PTR ip;
|
|
|
|
ULONG_PTR code_align;
|
|
|
|
LONG_PTR data_align;
|
|
|
|
unsigned char retaddr_reg;
|
|
|
|
unsigned char fde_encoding;
|
|
|
|
unsigned char signal_frame;
|
2010-05-03 22:01:05 +02:00
|
|
|
unsigned char state_sp;
|
|
|
|
struct frame_state state;
|
|
|
|
struct frame_state *state_stack;
|
2009-06-17 19:35:11 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
static const char *dwarf_reg_names[NB_FRAME_REGS] =
|
|
|
|
{
|
|
|
|
/* 0-7 */ "%rax", "%rdx", "%rcx", "%rbx", "%rsi", "%rdi", "%rbp", "%rsp",
|
|
|
|
/* 8-16 */ "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rip",
|
|
|
|
/* 17-24 */ "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7",
|
|
|
|
/* 25-32 */ "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
|
|
|
/* 33-40 */ "%st0", "%st1", "%st2", "%st3", "%st4", "%st5", "%st6", "%st7"
|
|
|
|
};
|
|
|
|
|
2013-11-02 14:34:13 +01:00
|
|
|
static BOOL valid_reg( ULONG_PTR reg )
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
if (reg >= NB_FRAME_REGS) FIXME( "unsupported reg %lx\n", reg );
|
|
|
|
return (reg < NB_FRAME_REGS);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void execute_cfa_instructions( const unsigned char *ptr, const unsigned char *end,
|
|
|
|
ULONG_PTR last_ip, struct frame_info *info )
|
|
|
|
{
|
|
|
|
while (ptr < end && info->ip < last_ip + info->signal_frame)
|
|
|
|
{
|
|
|
|
enum dwarf_call_frame_info op = *ptr++;
|
|
|
|
|
|
|
|
if (op & 0xc0)
|
|
|
|
{
|
|
|
|
switch (op & 0xc0)
|
|
|
|
{
|
|
|
|
case DW_CFA_advance_loc:
|
|
|
|
{
|
|
|
|
ULONG_PTR offset = (op & 0x3f) * info->code_align;
|
|
|
|
TRACE( "%lx: DW_CFA_advance_loc %lu\n", info->ip, offset );
|
|
|
|
info->ip += offset;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_offset:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = op & 0x3f;
|
|
|
|
LONG_PTR offset = dwarf_get_uleb128( &ptr ) * info->data_align;
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_offset %s, %ld\n", info->ip, dwarf_reg_names[reg], offset );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.regs[reg] = offset;
|
|
|
|
info->state.rules[reg] = RULE_CFA_OFFSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_restore:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = op & 0x3f;
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_restore %s\n", info->ip, dwarf_reg_names[reg] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.rules[reg] = RULE_UNSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else switch (op)
|
|
|
|
{
|
|
|
|
case DW_CFA_nop:
|
|
|
|
break;
|
|
|
|
case DW_CFA_set_loc:
|
|
|
|
{
|
|
|
|
ULONG_PTR loc = dwarf_get_ptr( &ptr, info->fde_encoding );
|
|
|
|
TRACE( "%lx: DW_CFA_set_loc %lx\n", info->ip, loc );
|
|
|
|
info->ip = loc;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_advance_loc1:
|
|
|
|
{
|
|
|
|
ULONG_PTR offset = *ptr++ * info->code_align;
|
|
|
|
TRACE( "%lx: DW_CFA_advance_loc1 %lu\n", info->ip, offset );
|
|
|
|
info->ip += offset;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_advance_loc2:
|
|
|
|
{
|
|
|
|
ULONG_PTR offset = dwarf_get_u2( &ptr ) * info->code_align;
|
|
|
|
TRACE( "%lx: DW_CFA_advance_loc2 %lu\n", info->ip, offset );
|
|
|
|
info->ip += offset;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_advance_loc4:
|
|
|
|
{
|
|
|
|
ULONG_PTR offset = dwarf_get_u4( &ptr ) * info->code_align;
|
|
|
|
TRACE( "%lx: DW_CFA_advance_loc4 %lu\n", info->ip, offset );
|
|
|
|
info->ip += offset;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_offset_extended:
|
2009-08-28 18:25:20 +02:00
|
|
|
case DW_CFA_offset_extended_sf:
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
2009-08-28 18:25:20 +02:00
|
|
|
LONG_PTR offset = (op == DW_CFA_offset_extended) ? dwarf_get_uleb128( &ptr ) * info->data_align
|
|
|
|
: dwarf_get_sleb128( &ptr ) * info->data_align;
|
2009-06-17 19:35:11 +02:00
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_offset_extended %s, %ld\n", info->ip, dwarf_reg_names[reg], offset );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.regs[reg] = offset;
|
|
|
|
info->state.rules[reg] = RULE_CFA_OFFSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_restore_extended:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_restore_extended %s\n", info->ip, dwarf_reg_names[reg] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.rules[reg] = RULE_UNSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_undefined:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_undefined %s\n", info->ip, dwarf_reg_names[reg] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.rules[reg] = RULE_UNDEFINED;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_same_value:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_same_value %s\n", info->ip, dwarf_reg_names[reg] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.regs[reg] = reg;
|
|
|
|
info->state.rules[reg] = RULE_SAME;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_register:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
ULONG_PTR reg2 = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg ) || !valid_reg( reg2 )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_register %s == %s\n", info->ip, dwarf_reg_names[reg], dwarf_reg_names[reg2] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.regs[reg] = reg2;
|
|
|
|
info->state.rules[reg] = RULE_OTHER_REG;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_remember_state:
|
2010-05-03 22:01:05 +02:00
|
|
|
TRACE( "%lx: DW_CFA_remember_state\n", info->ip );
|
|
|
|
if (info->state_sp >= MAX_SAVED_STATES)
|
|
|
|
FIXME( "%lx: DW_CFA_remember_state too many nested saves\n", info->ip );
|
|
|
|
else
|
|
|
|
info->state_stack[info->state_sp++] = info->state;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
case DW_CFA_restore_state:
|
2010-05-03 22:01:05 +02:00
|
|
|
TRACE( "%lx: DW_CFA_restore_state\n", info->ip );
|
|
|
|
if (!info->state_sp)
|
|
|
|
FIXME( "%lx: DW_CFA_restore_state without corresponding save\n", info->ip );
|
|
|
|
else
|
|
|
|
info->state = info->state_stack[--info->state_sp];
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
case DW_CFA_def_cfa:
|
2009-08-28 18:25:20 +02:00
|
|
|
case DW_CFA_def_cfa_sf:
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
2009-08-28 18:25:20 +02:00
|
|
|
ULONG_PTR offset = (op == DW_CFA_def_cfa) ? dwarf_get_uleb128( &ptr )
|
|
|
|
: dwarf_get_sleb128( &ptr ) * info->data_align;
|
2009-06-17 19:35:11 +02:00
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_def_cfa %s, %lu\n", info->ip, dwarf_reg_names[reg], offset );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.cfa_reg = reg;
|
|
|
|
info->state.cfa_offset = offset;
|
|
|
|
info->state.cfa_rule = RULE_CFA_OFFSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_def_cfa_register:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_def_cfa_register %s\n", info->ip, dwarf_reg_names[reg] );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.cfa_reg = reg;
|
|
|
|
info->state.cfa_rule = RULE_CFA_OFFSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_def_cfa_offset:
|
2009-08-28 18:25:20 +02:00
|
|
|
case DW_CFA_def_cfa_offset_sf:
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
2009-08-28 18:25:20 +02:00
|
|
|
ULONG_PTR offset = (op == DW_CFA_def_cfa_offset) ? dwarf_get_uleb128( &ptr )
|
|
|
|
: dwarf_get_sleb128( &ptr ) * info->data_align;
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE( "%lx: DW_CFA_def_cfa_offset %lu\n", info->ip, offset );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.cfa_offset = offset;
|
|
|
|
info->state.cfa_rule = RULE_CFA_OFFSET;
|
2009-08-28 18:25:20 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_def_cfa_expression:
|
|
|
|
{
|
|
|
|
ULONG_PTR expr = (ULONG_PTR)ptr;
|
|
|
|
ULONG_PTR len = dwarf_get_uleb128( &ptr );
|
|
|
|
TRACE( "%lx: DW_CFA_def_cfa_expression %lx-%lx\n", info->ip, expr, expr+len );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.cfa_offset = expr;
|
|
|
|
info->state.cfa_rule = RULE_VAL_EXPRESSION;
|
2009-08-28 18:25:20 +02:00
|
|
|
ptr += len;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case DW_CFA_expression:
|
|
|
|
case DW_CFA_val_expression:
|
|
|
|
{
|
|
|
|
ULONG_PTR reg = dwarf_get_uleb128( &ptr );
|
|
|
|
ULONG_PTR expr = (ULONG_PTR)ptr;
|
|
|
|
ULONG_PTR len = dwarf_get_uleb128( &ptr );
|
|
|
|
if (!valid_reg( reg )) break;
|
|
|
|
TRACE( "%lx: DW_CFA_%sexpression %s %lx-%lx\n",
|
|
|
|
info->ip, (op == DW_CFA_expression) ? "" : "val_", dwarf_reg_names[reg], expr, expr+len );
|
2010-05-03 22:01:05 +02:00
|
|
|
info->state.regs[reg] = expr;
|
|
|
|
info->state.rules[reg] = (op == DW_CFA_expression) ? RULE_EXPRESSION : RULE_VAL_EXPRESSION;
|
2009-08-28 18:25:20 +02:00
|
|
|
ptr += len;
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
FIXME( "%lx: unknown CFA opcode %02x\n", info->ip, op );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* retrieve a context register from its dwarf number */
|
|
|
|
static void *get_context_reg( CONTEXT *context, ULONG_PTR dw_reg )
|
|
|
|
{
|
|
|
|
switch (dw_reg)
|
|
|
|
{
|
|
|
|
case 0: return &context->Rax;
|
|
|
|
case 1: return &context->Rdx;
|
|
|
|
case 2: return &context->Rcx;
|
|
|
|
case 3: return &context->Rbx;
|
|
|
|
case 4: return &context->Rsi;
|
|
|
|
case 5: return &context->Rdi;
|
|
|
|
case 6: return &context->Rbp;
|
|
|
|
case 7: return &context->Rsp;
|
|
|
|
case 8: return &context->R8;
|
|
|
|
case 9: return &context->R9;
|
|
|
|
case 10: return &context->R10;
|
|
|
|
case 11: return &context->R11;
|
|
|
|
case 12: return &context->R12;
|
|
|
|
case 13: return &context->R13;
|
|
|
|
case 14: return &context->R14;
|
|
|
|
case 15: return &context->R15;
|
|
|
|
case 16: return &context->Rip;
|
|
|
|
case 17: return &context->u.s.Xmm0;
|
|
|
|
case 18: return &context->u.s.Xmm1;
|
|
|
|
case 19: return &context->u.s.Xmm2;
|
|
|
|
case 20: return &context->u.s.Xmm3;
|
|
|
|
case 21: return &context->u.s.Xmm4;
|
|
|
|
case 22: return &context->u.s.Xmm5;
|
|
|
|
case 23: return &context->u.s.Xmm6;
|
|
|
|
case 24: return &context->u.s.Xmm7;
|
|
|
|
case 25: return &context->u.s.Xmm8;
|
|
|
|
case 26: return &context->u.s.Xmm9;
|
|
|
|
case 27: return &context->u.s.Xmm10;
|
|
|
|
case 28: return &context->u.s.Xmm11;
|
|
|
|
case 29: return &context->u.s.Xmm12;
|
|
|
|
case 30: return &context->u.s.Xmm13;
|
|
|
|
case 31: return &context->u.s.Xmm14;
|
|
|
|
case 32: return &context->u.s.Xmm15;
|
|
|
|
case 33: return &context->u.s.Legacy[0];
|
|
|
|
case 34: return &context->u.s.Legacy[1];
|
|
|
|
case 35: return &context->u.s.Legacy[2];
|
|
|
|
case 36: return &context->u.s.Legacy[3];
|
|
|
|
case 37: return &context->u.s.Legacy[4];
|
|
|
|
case 38: return &context->u.s.Legacy[5];
|
|
|
|
case 39: return &context->u.s.Legacy[6];
|
|
|
|
case 40: return &context->u.s.Legacy[7];
|
|
|
|
default: return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set a context register from its dwarf number */
|
|
|
|
static void set_context_reg( CONTEXT *context, ULONG_PTR dw_reg, void *val )
|
|
|
|
{
|
|
|
|
switch (dw_reg)
|
|
|
|
{
|
|
|
|
case 0: context->Rax = *(ULONG64 *)val; break;
|
|
|
|
case 1: context->Rdx = *(ULONG64 *)val; break;
|
|
|
|
case 2: context->Rcx = *(ULONG64 *)val; break;
|
|
|
|
case 3: context->Rbx = *(ULONG64 *)val; break;
|
|
|
|
case 4: context->Rsi = *(ULONG64 *)val; break;
|
|
|
|
case 5: context->Rdi = *(ULONG64 *)val; break;
|
|
|
|
case 6: context->Rbp = *(ULONG64 *)val; break;
|
|
|
|
case 7: context->Rsp = *(ULONG64 *)val; break;
|
|
|
|
case 8: context->R8 = *(ULONG64 *)val; break;
|
|
|
|
case 9: context->R9 = *(ULONG64 *)val; break;
|
|
|
|
case 10: context->R10 = *(ULONG64 *)val; break;
|
|
|
|
case 11: context->R11 = *(ULONG64 *)val; break;
|
|
|
|
case 12: context->R12 = *(ULONG64 *)val; break;
|
|
|
|
case 13: context->R13 = *(ULONG64 *)val; break;
|
|
|
|
case 14: context->R14 = *(ULONG64 *)val; break;
|
|
|
|
case 15: context->R15 = *(ULONG64 *)val; break;
|
|
|
|
case 16: context->Rip = *(ULONG64 *)val; break;
|
2017-06-05 14:50:48 +02:00
|
|
|
case 17: memcpy( &context->u.s.Xmm0, val, sizeof(M128A) ); break;
|
|
|
|
case 18: memcpy( &context->u.s.Xmm1, val, sizeof(M128A) ); break;
|
|
|
|
case 19: memcpy( &context->u.s.Xmm2, val, sizeof(M128A) ); break;
|
|
|
|
case 20: memcpy( &context->u.s.Xmm3, val, sizeof(M128A) ); break;
|
|
|
|
case 21: memcpy( &context->u.s.Xmm4, val, sizeof(M128A) ); break;
|
|
|
|
case 22: memcpy( &context->u.s.Xmm5, val, sizeof(M128A) ); break;
|
|
|
|
case 23: memcpy( &context->u.s.Xmm6, val, sizeof(M128A) ); break;
|
|
|
|
case 24: memcpy( &context->u.s.Xmm7, val, sizeof(M128A) ); break;
|
|
|
|
case 25: memcpy( &context->u.s.Xmm8, val, sizeof(M128A) ); break;
|
|
|
|
case 26: memcpy( &context->u.s.Xmm9, val, sizeof(M128A) ); break;
|
|
|
|
case 27: memcpy( &context->u.s.Xmm10, val, sizeof(M128A) ); break;
|
|
|
|
case 28: memcpy( &context->u.s.Xmm11, val, sizeof(M128A) ); break;
|
|
|
|
case 29: memcpy( &context->u.s.Xmm12, val, sizeof(M128A) ); break;
|
|
|
|
case 30: memcpy( &context->u.s.Xmm13, val, sizeof(M128A) ); break;
|
|
|
|
case 31: memcpy( &context->u.s.Xmm14, val, sizeof(M128A) ); break;
|
|
|
|
case 32: memcpy( &context->u.s.Xmm15, val, sizeof(M128A) ); break;
|
|
|
|
case 33: memcpy( &context->u.s.Legacy[0], val, sizeof(M128A) ); break;
|
|
|
|
case 34: memcpy( &context->u.s.Legacy[1], val, sizeof(M128A) ); break;
|
|
|
|
case 35: memcpy( &context->u.s.Legacy[2], val, sizeof(M128A) ); break;
|
|
|
|
case 36: memcpy( &context->u.s.Legacy[3], val, sizeof(M128A) ); break;
|
|
|
|
case 37: memcpy( &context->u.s.Legacy[4], val, sizeof(M128A) ); break;
|
|
|
|
case 38: memcpy( &context->u.s.Legacy[5], val, sizeof(M128A) ); break;
|
|
|
|
case 39: memcpy( &context->u.s.Legacy[6], val, sizeof(M128A) ); break;
|
|
|
|
case 40: memcpy( &context->u.s.Legacy[7], val, sizeof(M128A) ); break;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-08-28 18:25:20 +02:00
|
|
|
static ULONG_PTR eval_expression( const unsigned char *p, CONTEXT *context )
|
|
|
|
{
|
|
|
|
ULONG_PTR reg, tmp, stack[64];
|
|
|
|
int sp = -1;
|
|
|
|
ULONG_PTR len = dwarf_get_uleb128(&p);
|
|
|
|
const unsigned char *end = p + len;
|
|
|
|
|
|
|
|
while (p < end)
|
|
|
|
{
|
|
|
|
unsigned char opcode = dwarf_get_u1(&p);
|
|
|
|
|
|
|
|
if (opcode >= DW_OP_lit0 && opcode <= DW_OP_lit31)
|
|
|
|
stack[++sp] = opcode - DW_OP_lit0;
|
|
|
|
else if (opcode >= DW_OP_reg0 && opcode <= DW_OP_reg31)
|
|
|
|
stack[++sp] = *(ULONG_PTR *)get_context_reg( context, opcode - DW_OP_reg0 );
|
|
|
|
else if (opcode >= DW_OP_breg0 && opcode <= DW_OP_breg31)
|
|
|
|
stack[++sp] = *(ULONG_PTR *)get_context_reg( context, opcode - DW_OP_breg0 ) + dwarf_get_sleb128(&p);
|
|
|
|
else switch (opcode)
|
|
|
|
{
|
|
|
|
case DW_OP_nop: break;
|
|
|
|
case DW_OP_addr: stack[++sp] = dwarf_get_u8(&p); break;
|
|
|
|
case DW_OP_const1u: stack[++sp] = dwarf_get_u1(&p); break;
|
|
|
|
case DW_OP_const1s: stack[++sp] = (signed char)dwarf_get_u1(&p); break;
|
|
|
|
case DW_OP_const2u: stack[++sp] = dwarf_get_u2(&p); break;
|
|
|
|
case DW_OP_const2s: stack[++sp] = (short)dwarf_get_u2(&p); break;
|
|
|
|
case DW_OP_const4u: stack[++sp] = dwarf_get_u4(&p); break;
|
|
|
|
case DW_OP_const4s: stack[++sp] = (signed int)dwarf_get_u4(&p); break;
|
|
|
|
case DW_OP_const8u: stack[++sp] = dwarf_get_u8(&p); break;
|
|
|
|
case DW_OP_const8s: stack[++sp] = (LONG_PTR)dwarf_get_u8(&p); break;
|
|
|
|
case DW_OP_constu: stack[++sp] = dwarf_get_uleb128(&p); break;
|
|
|
|
case DW_OP_consts: stack[++sp] = dwarf_get_sleb128(&p); break;
|
|
|
|
case DW_OP_deref: stack[sp] = *(ULONG_PTR *)stack[sp]; break;
|
|
|
|
case DW_OP_dup: stack[sp + 1] = stack[sp]; sp++; break;
|
|
|
|
case DW_OP_drop: sp--; break;
|
|
|
|
case DW_OP_over: stack[sp + 1] = stack[sp - 1]; sp++; break;
|
|
|
|
case DW_OP_pick: stack[sp + 1] = stack[sp - dwarf_get_u1(&p)]; sp++; break;
|
|
|
|
case DW_OP_swap: tmp = stack[sp]; stack[sp] = stack[sp-1]; stack[sp-1] = tmp; break;
|
|
|
|
case DW_OP_rot: tmp = stack[sp]; stack[sp] = stack[sp-1]; stack[sp-1] = stack[sp-2]; stack[sp-2] = tmp; break;
|
|
|
|
case DW_OP_abs: stack[sp] = labs(stack[sp]); break;
|
|
|
|
case DW_OP_neg: stack[sp] = -stack[sp]; break;
|
|
|
|
case DW_OP_not: stack[sp] = ~stack[sp]; break;
|
|
|
|
case DW_OP_and: stack[sp-1] &= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_or: stack[sp-1] |= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_minus: stack[sp-1] -= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_mul: stack[sp-1] *= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_plus: stack[sp-1] += stack[sp]; sp--; break;
|
|
|
|
case DW_OP_xor: stack[sp-1] ^= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_shl: stack[sp-1] <<= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_shr: stack[sp-1] >>= stack[sp]; sp--; break;
|
|
|
|
case DW_OP_plus_uconst: stack[sp] += dwarf_get_uleb128(&p); break;
|
|
|
|
case DW_OP_shra: stack[sp-1] = (LONG_PTR)stack[sp-1] / (1 << stack[sp]); sp--; break;
|
|
|
|
case DW_OP_div: stack[sp-1] = (LONG_PTR)stack[sp-1] / (LONG_PTR)stack[sp]; sp--; break;
|
|
|
|
case DW_OP_mod: stack[sp-1] = (LONG_PTR)stack[sp-1] % (LONG_PTR)stack[sp]; sp--; break;
|
|
|
|
case DW_OP_ge: stack[sp-1] = ((LONG_PTR)stack[sp-1] >= (LONG_PTR)stack[sp]); sp--; break;
|
|
|
|
case DW_OP_gt: stack[sp-1] = ((LONG_PTR)stack[sp-1] > (LONG_PTR)stack[sp]); sp--; break;
|
|
|
|
case DW_OP_le: stack[sp-1] = ((LONG_PTR)stack[sp-1] <= (LONG_PTR)stack[sp]); sp--; break;
|
|
|
|
case DW_OP_lt: stack[sp-1] = ((LONG_PTR)stack[sp-1] < (LONG_PTR)stack[sp]); sp--; break;
|
|
|
|
case DW_OP_eq: stack[sp-1] = (stack[sp-1] == stack[sp]); sp--; break;
|
|
|
|
case DW_OP_ne: stack[sp-1] = (stack[sp-1] != stack[sp]); sp--; break;
|
|
|
|
case DW_OP_skip: tmp = (short)dwarf_get_u2(&p); p += tmp; break;
|
|
|
|
case DW_OP_bra: tmp = (short)dwarf_get_u2(&p); if (!stack[sp--]) p += tmp; break;
|
|
|
|
case DW_OP_GNU_encoded_addr: tmp = *p++; stack[++sp] = dwarf_get_ptr( &p, tmp ); break;
|
|
|
|
case DW_OP_regx: stack[++sp] = *(ULONG_PTR *)get_context_reg( context, dwarf_get_uleb128(&p) ); break;
|
|
|
|
case DW_OP_bregx:
|
|
|
|
reg = dwarf_get_uleb128(&p);
|
|
|
|
tmp = dwarf_get_sleb128(&p);
|
|
|
|
stack[++sp] = *(ULONG_PTR *)get_context_reg( context, reg ) + tmp;
|
|
|
|
break;
|
|
|
|
case DW_OP_deref_size:
|
|
|
|
switch (*p++)
|
|
|
|
{
|
|
|
|
case 1: stack[sp] = *(unsigned char *)stack[sp]; break;
|
|
|
|
case 2: stack[sp] = *(unsigned short *)stack[sp]; break;
|
|
|
|
case 4: stack[sp] = *(unsigned int *)stack[sp]; break;
|
|
|
|
case 8: stack[sp] = *(ULONG_PTR *)stack[sp]; break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME( "unhandled opcode %02x\n", opcode );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return stack[sp];
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
/* apply the computed frame info to the actual context */
|
2010-05-03 22:01:05 +02:00
|
|
|
static void apply_frame_state( CONTEXT *context, struct frame_state *state )
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
unsigned int i;
|
2009-08-28 18:25:20 +02:00
|
|
|
ULONG_PTR cfa, value;
|
|
|
|
CONTEXT new_context = *context;
|
|
|
|
|
2010-05-03 22:01:05 +02:00
|
|
|
switch (state->cfa_rule)
|
2009-08-28 18:25:20 +02:00
|
|
|
{
|
|
|
|
case RULE_EXPRESSION:
|
2010-05-03 22:01:05 +02:00
|
|
|
cfa = *(ULONG_PTR *)eval_expression( (const unsigned char *)state->cfa_offset, context );
|
2009-08-28 18:25:20 +02:00
|
|
|
break;
|
|
|
|
case RULE_VAL_EXPRESSION:
|
2010-05-03 22:01:05 +02:00
|
|
|
cfa = eval_expression( (const unsigned char *)state->cfa_offset, context );
|
2009-08-28 18:25:20 +02:00
|
|
|
break;
|
|
|
|
default:
|
2010-05-03 22:01:05 +02:00
|
|
|
cfa = *(ULONG_PTR *)get_context_reg( context, state->cfa_reg ) + state->cfa_offset;
|
2009-08-28 18:25:20 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (!cfa) return;
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
for (i = 0; i < NB_FRAME_REGS; i++)
|
|
|
|
{
|
2010-05-03 22:01:05 +02:00
|
|
|
switch (state->rules[i])
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
case RULE_UNSET:
|
|
|
|
case RULE_UNDEFINED:
|
|
|
|
case RULE_SAME:
|
|
|
|
break;
|
|
|
|
case RULE_CFA_OFFSET:
|
2010-05-03 22:01:05 +02:00
|
|
|
set_context_reg( &new_context, i, (char *)cfa + state->regs[i] );
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
case RULE_OTHER_REG:
|
2010-05-03 22:01:05 +02:00
|
|
|
set_context_reg( &new_context, i, get_context_reg( context, state->regs[i] ));
|
2009-08-28 18:25:20 +02:00
|
|
|
break;
|
|
|
|
case RULE_EXPRESSION:
|
2010-05-03 22:01:05 +02:00
|
|
|
value = eval_expression( (const unsigned char *)state->regs[i], context );
|
2009-08-28 18:25:20 +02:00
|
|
|
set_context_reg( &new_context, i, (void *)value );
|
|
|
|
break;
|
|
|
|
case RULE_VAL_EXPRESSION:
|
2010-05-03 22:01:05 +02:00
|
|
|
value = eval_expression( (const unsigned char *)state->regs[i], context );
|
2009-08-28 18:25:20 +02:00
|
|
|
set_context_reg( &new_context, i, &value );
|
2009-06-17 19:35:11 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2009-08-28 18:25:20 +02:00
|
|
|
new_context.Rsp = cfa;
|
|
|
|
*context = new_context;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* dwarf_virtual_unwind
|
|
|
|
*
|
|
|
|
* Equivalent of RtlVirtualUnwind for builtin modules.
|
|
|
|
*/
|
|
|
|
static NTSTATUS dwarf_virtual_unwind( ULONG64 ip, ULONG64 *frame,CONTEXT *context,
|
|
|
|
const struct dwarf_fde *fde, const struct dwarf_eh_bases *bases,
|
|
|
|
PEXCEPTION_ROUTINE *handler, void **handler_data )
|
|
|
|
{
|
|
|
|
const struct dwarf_cie *cie;
|
|
|
|
const unsigned char *ptr, *augmentation, *end;
|
2009-08-28 18:25:20 +02:00
|
|
|
ULONG_PTR len, code_end;
|
2009-06-17 19:35:11 +02:00
|
|
|
struct frame_info info;
|
2010-05-03 22:01:05 +02:00
|
|
|
struct frame_state state_stack[MAX_SAVED_STATES];
|
2009-06-17 19:35:11 +02:00
|
|
|
int aug_z_format = 0;
|
|
|
|
unsigned char lsda_encoding = DW_EH_PE_omit;
|
|
|
|
|
|
|
|
memset( &info, 0, sizeof(info) );
|
2010-05-03 22:01:05 +02:00
|
|
|
info.state_stack = state_stack;
|
2009-06-17 19:35:11 +02:00
|
|
|
info.ip = (ULONG_PTR)bases->func;
|
|
|
|
*handler = NULL;
|
|
|
|
|
|
|
|
cie = (const struct dwarf_cie *)((const char *)&fde->cie_offset - fde->cie_offset);
|
|
|
|
|
|
|
|
/* parse the CIE first */
|
|
|
|
|
2015-06-05 08:19:14 +02:00
|
|
|
if (cie->version != 1 && cie->version != 3)
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
|
|
|
FIXME( "unknown CIE version %u at %p\n", cie->version, cie );
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
|
|
|
ptr = cie->augmentation + strlen((const char *)cie->augmentation) + 1;
|
|
|
|
|
|
|
|
info.code_align = dwarf_get_uleb128( &ptr );
|
|
|
|
info.data_align = dwarf_get_sleb128( &ptr );
|
2015-06-05 08:19:14 +02:00
|
|
|
if (cie->version == 1)
|
|
|
|
info.retaddr_reg = *ptr++;
|
|
|
|
else
|
|
|
|
info.retaddr_reg = dwarf_get_uleb128( &ptr );
|
2010-05-03 22:01:05 +02:00
|
|
|
info.state.cfa_rule = RULE_CFA_OFFSET;
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
TRACE( "function %lx base %p cie %p len %x id %x version %x aug '%s' code_align %lu data_align %ld retaddr %s\n",
|
|
|
|
ip, bases->func, cie, cie->length, cie->id, cie->version, cie->augmentation,
|
|
|
|
info.code_align, info.data_align, dwarf_reg_names[info.retaddr_reg] );
|
|
|
|
|
|
|
|
end = NULL;
|
|
|
|
for (augmentation = cie->augmentation; *augmentation; augmentation++)
|
|
|
|
{
|
|
|
|
switch (*augmentation)
|
|
|
|
{
|
|
|
|
case 'z':
|
|
|
|
len = dwarf_get_uleb128( &ptr );
|
|
|
|
end = ptr + len;
|
|
|
|
aug_z_format = 1;
|
|
|
|
continue;
|
|
|
|
case 'L':
|
|
|
|
lsda_encoding = *ptr++;
|
|
|
|
continue;
|
|
|
|
case 'P':
|
|
|
|
{
|
|
|
|
unsigned char encoding = *ptr++;
|
|
|
|
*handler = (void *)dwarf_get_ptr( &ptr, encoding );
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
case 'R':
|
|
|
|
info.fde_encoding = *ptr++;
|
|
|
|
continue;
|
|
|
|
case 'S':
|
|
|
|
info.signal_frame = 1;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
FIXME( "unknown augmentation '%c'\n", *augmentation );
|
|
|
|
if (!end) return STATUS_INVALID_DISPOSITION; /* cannot continue */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (end) ptr = end;
|
|
|
|
|
|
|
|
end = (const unsigned char *)(&cie->length + 1) + cie->length;
|
|
|
|
execute_cfa_instructions( ptr, end, ip, &info );
|
|
|
|
|
|
|
|
ptr = (const unsigned char *)(fde + 1);
|
|
|
|
info.ip = dwarf_get_ptr( &ptr, info.fde_encoding ); /* fde code start */
|
|
|
|
code_end = info.ip + dwarf_get_ptr( &ptr, info.fde_encoding & 0x0f ); /* fde code length */
|
|
|
|
|
|
|
|
if (aug_z_format) /* get length of augmentation data */
|
|
|
|
{
|
|
|
|
len = dwarf_get_uleb128( &ptr );
|
|
|
|
end = ptr + len;
|
|
|
|
}
|
|
|
|
else end = NULL;
|
|
|
|
|
|
|
|
*handler_data = (void *)dwarf_get_ptr( &ptr, lsda_encoding );
|
|
|
|
if (end) ptr = end;
|
|
|
|
|
|
|
|
end = (const unsigned char *)(&fde->length + 1) + fde->length;
|
|
|
|
TRACE( "fde %p len %x personality %p lsda %p code %lx-%lx\n",
|
|
|
|
fde, fde->length, *handler, *handler_data, info.ip, code_end );
|
|
|
|
execute_cfa_instructions( ptr, end, ip, &info );
|
2009-08-28 18:25:20 +02:00
|
|
|
*frame = context->Rsp;
|
2015-01-25 15:46:05 +01:00
|
|
|
apply_frame_state( context, &info.state );
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
TRACE( "next function rip=%016lx\n", context->Rip );
|
|
|
|
TRACE( " rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx\n",
|
|
|
|
context->Rax, context->Rbx, context->Rcx, context->Rdx );
|
|
|
|
TRACE( " rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
|
|
|
|
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
|
|
|
|
TRACE( " r8=%016lx r9=%016lx r10=%016lx r11=%016lx\n",
|
|
|
|
context->R8, context->R9, context->R10, context->R11 );
|
|
|
|
TRACE( " r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
|
|
|
|
context->R12, context->R13, context->R14, context->R15 );
|
|
|
|
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2015-08-07 11:52:58 +02:00
|
|
|
#ifdef HAVE_LIBUNWIND_H
|
2015-06-05 07:41:24 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* libunwind_set_cursor_from_context
|
|
|
|
*/
|
|
|
|
static int libunwind_set_cursor_from_context( unw_cursor_t *cursor, CONTEXT *context, ULONG64 ip )
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = unw_set_reg(cursor, UNW_REG_IP, ip);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_REG_SP, context->Rsp);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RAX, context->Rax);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RDX, context->Rdx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RCX, context->Rcx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RBX, context->Rbx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RSI, context->Rsi);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RDI, context->Rdi);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_RBP, context->Rbp);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R8, context->R8);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R9, context->R9);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R10, context->R10);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R11, context->R11);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R12, context->R12);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R13, context->R13);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R14, context->R14);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_set_reg(cursor, UNW_X86_64_R15, context->R15);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* libunwind_get_reg
|
|
|
|
*/
|
|
|
|
static int libunwind_get_reg( unw_cursor_t *cursor, unw_regnum_t reg, ULONG64 *val )
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
unw_word_t word;
|
|
|
|
|
|
|
|
rc = unw_get_reg(cursor, reg, &word);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
*val = word;
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* libunwind_set_context_from_cursor
|
|
|
|
*/
|
|
|
|
static BOOL libunwind_set_context_from_cursor( CONTEXT *context, unw_cursor_t *cursor )
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_REG_IP, &context->Rip);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_REG_SP, &context->Rsp);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RAX, &context->Rax);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RDX, &context->Rdx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RCX, &context->Rcx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RBX, &context->Rbx);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RSI, &context->Rsi);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RDI, &context->Rdi);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_RBP, &context->Rbp);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R8, &context->R8);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R9, &context->R9);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R10, &context->R10);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R11, &context->R11);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R12, &context->R12);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R13, &context->R13);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R14, &context->R14);
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_get_reg(cursor, UNW_X86_64_R15, &context->R15);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* libunwind_virtual_unwind
|
|
|
|
*
|
|
|
|
* Equivalent of RtlVirtualUnwind for builtin modules.
|
|
|
|
*/
|
|
|
|
static NTSTATUS libunwind_virtual_unwind( ULONG64 ip, BOOL* got_info, ULONG64 *frame, CONTEXT *context,
|
|
|
|
PEXCEPTION_ROUTINE *handler, void **handler_data )
|
|
|
|
{
|
|
|
|
unw_context_t unw_context;
|
|
|
|
unw_cursor_t cursor;
|
|
|
|
unw_proc_info_t info;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = unw_getcontext( &unw_context );
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = unw_init_local( &cursor, &unw_context );
|
|
|
|
if (rc == UNW_ESUCCESS)
|
|
|
|
rc = libunwind_set_cursor_from_context( &cursor, context, ip - 1 );
|
|
|
|
if (rc != UNW_ESUCCESS)
|
|
|
|
{
|
|
|
|
WARN( "setup failed: %d\n", rc );
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = unw_get_proc_info(&cursor, &info);
|
|
|
|
if (rc != UNW_ESUCCESS && rc != UNW_ENOINFO)
|
|
|
|
{
|
|
|
|
WARN( "failed to get info: %d\n", rc );
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
|
|
|
if (rc == UNW_ENOINFO || ip < info.start_ip || info.end_ip <= ip || !info.format)
|
|
|
|
{
|
|
|
|
*got_info = FALSE;
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
TRACE( "ip %#lx function %#lx-%#lx personality %#lx lsda %#lx fde %#lx\n",
|
|
|
|
ip, (unsigned long)info.start_ip, (unsigned long)info.end_ip, (unsigned long)info.handler,
|
|
|
|
(unsigned long)info.lsda, (unsigned long)info.unwind_info );
|
|
|
|
|
|
|
|
rc = unw_step(&cursor);
|
|
|
|
if (rc < 0)
|
|
|
|
{
|
|
|
|
WARN( "failed to unwind: %d\n", rc );
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
|
|
|
|
|
|
|
*frame = context->Rsp;
|
|
|
|
|
|
|
|
rc = libunwind_set_context_from_cursor( context, &cursor );
|
|
|
|
if (rc != UNW_ESUCCESS)
|
|
|
|
{
|
|
|
|
WARN( "failed to update context after unwind: %d\n", rc );
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
|
|
|
|
|
|
|
*handler = (void*)info.handler;
|
|
|
|
*handler_data = (void*)info.lsda;
|
|
|
|
*got_info = TRUE;
|
|
|
|
|
|
|
|
TRACE( "next function rip=%016lx\n", context->Rip );
|
|
|
|
TRACE( " rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx\n",
|
|
|
|
context->Rax, context->Rbx, context->Rcx, context->Rdx );
|
|
|
|
TRACE( " rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
|
|
|
|
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
|
|
|
|
TRACE( " r8=%016lx r9=%016lx r10=%016lx r11=%016lx\n",
|
|
|
|
context->R8, context->R9, context->R10, context->R11 );
|
|
|
|
TRACE( " r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
|
|
|
|
context->R12, context->R13, context->R14, context->R15 );
|
|
|
|
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* dispatch_signal
|
|
|
|
*/
|
2007-03-17 11:28:32 +01:00
|
|
|
static inline int dispatch_signal(unsigned int sig)
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
|
|
|
if (handlers[sig] == NULL) return 0;
|
|
|
|
return handlers[sig](sig);
|
|
|
|
}
|
|
|
|
|
2009-06-16 15:27:48 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* get_signal_stack
|
|
|
|
*
|
|
|
|
* Get the base of the signal stack for the current thread.
|
|
|
|
*/
|
|
|
|
static inline void *get_signal_stack(void)
|
|
|
|
{
|
|
|
|
return (char *)NtCurrentTeb() + teb_size;
|
|
|
|
}
|
|
|
|
|
2009-08-28 18:24:06 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* is_inside_signal_stack
|
|
|
|
*
|
|
|
|
* Check if pointer is inside the signal stack.
|
|
|
|
*/
|
2013-11-02 14:34:13 +01:00
|
|
|
static inline BOOL is_inside_signal_stack( void *ptr )
|
2009-08-28 18:24:06 +02:00
|
|
|
{
|
|
|
|
return ((char *)ptr >= (char *)get_signal_stack() &&
|
|
|
|
(char *)ptr < (char *)get_signal_stack() + signal_stack_size);
|
|
|
|
}
|
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* save_context
|
|
|
|
*
|
|
|
|
* Set the register values from a sigcontext.
|
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
context->ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | CONTEXT_DEBUG_REGISTERS;
|
2005-09-16 21:40:52 +02:00
|
|
|
context->Rax = RAX_sig(sigcontext);
|
|
|
|
context->Rcx = RCX_sig(sigcontext);
|
|
|
|
context->Rdx = RDX_sig(sigcontext);
|
|
|
|
context->Rbx = RBX_sig(sigcontext);
|
|
|
|
context->Rsp = RSP_sig(sigcontext);
|
|
|
|
context->Rbp = RBP_sig(sigcontext);
|
|
|
|
context->Rsi = RSI_sig(sigcontext);
|
|
|
|
context->Rdi = RDI_sig(sigcontext);
|
|
|
|
context->R8 = R8_sig(sigcontext);
|
|
|
|
context->R9 = R9_sig(sigcontext);
|
|
|
|
context->R10 = R10_sig(sigcontext);
|
|
|
|
context->R11 = R11_sig(sigcontext);
|
|
|
|
context->R12 = R12_sig(sigcontext);
|
|
|
|
context->R13 = R13_sig(sigcontext);
|
|
|
|
context->R14 = R14_sig(sigcontext);
|
|
|
|
context->R15 = R15_sig(sigcontext);
|
|
|
|
context->Rip = RIP_sig(sigcontext);
|
|
|
|
context->SegCs = CS_sig(sigcontext);
|
|
|
|
context->SegFs = FS_sig(sigcontext);
|
|
|
|
context->SegGs = GS_sig(sigcontext);
|
|
|
|
context->EFlags = EFL_sig(sigcontext);
|
2009-05-01 18:01:51 +02:00
|
|
|
#ifdef DS_sig
|
|
|
|
context->SegDs = DS_sig(sigcontext);
|
|
|
|
#else
|
|
|
|
__asm__("movw %%ds,%0" : "=m" (context->SegDs));
|
|
|
|
#endif
|
|
|
|
#ifdef ES_sig
|
|
|
|
context->SegEs = ES_sig(sigcontext);
|
|
|
|
#else
|
|
|
|
__asm__("movw %%es,%0" : "=m" (context->SegEs));
|
|
|
|
#endif
|
|
|
|
#ifdef SS_sig
|
|
|
|
context->SegSs = SS_sig(sigcontext);
|
|
|
|
#else
|
|
|
|
__asm__("movw %%ss,%0" : "=m" (context->SegSs));
|
|
|
|
#endif
|
2017-07-19 17:11:38 +02:00
|
|
|
context->Dr0 = amd64_thread_data()->dr0;
|
|
|
|
context->Dr1 = amd64_thread_data()->dr1;
|
|
|
|
context->Dr2 = amd64_thread_data()->dr2;
|
|
|
|
context->Dr3 = amd64_thread_data()->dr3;
|
|
|
|
context->Dr6 = amd64_thread_data()->dr6;
|
|
|
|
context->Dr7 = amd64_thread_data()->dr7;
|
2009-04-08 20:40:29 +02:00
|
|
|
if (FPU_sig(sigcontext))
|
|
|
|
{
|
|
|
|
context->ContextFlags |= CONTEXT_FLOATING_POINT;
|
|
|
|
context->u.FltSave = *FPU_sig(sigcontext);
|
2009-08-27 16:38:47 +02:00
|
|
|
context->MxCsr = context->u.FltSave.MxCsr;
|
2009-04-08 20:40:29 +02:00
|
|
|
}
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* restore_context
|
|
|
|
*
|
|
|
|
* Build a sigcontext from the register values.
|
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
amd64_thread_data()->dr0 = context->Dr0;
|
|
|
|
amd64_thread_data()->dr1 = context->Dr1;
|
|
|
|
amd64_thread_data()->dr2 = context->Dr2;
|
|
|
|
amd64_thread_data()->dr3 = context->Dr3;
|
|
|
|
amd64_thread_data()->dr6 = context->Dr6;
|
|
|
|
amd64_thread_data()->dr7 = context->Dr7;
|
2005-09-16 21:40:52 +02:00
|
|
|
RAX_sig(sigcontext) = context->Rax;
|
|
|
|
RCX_sig(sigcontext) = context->Rcx;
|
|
|
|
RDX_sig(sigcontext) = context->Rdx;
|
|
|
|
RBX_sig(sigcontext) = context->Rbx;
|
|
|
|
RSP_sig(sigcontext) = context->Rsp;
|
|
|
|
RBP_sig(sigcontext) = context->Rbp;
|
|
|
|
RSI_sig(sigcontext) = context->Rsi;
|
|
|
|
RDI_sig(sigcontext) = context->Rdi;
|
|
|
|
R8_sig(sigcontext) = context->R8;
|
|
|
|
R9_sig(sigcontext) = context->R9;
|
|
|
|
R10_sig(sigcontext) = context->R10;
|
|
|
|
R11_sig(sigcontext) = context->R11;
|
|
|
|
R12_sig(sigcontext) = context->R12;
|
|
|
|
R13_sig(sigcontext) = context->R13;
|
|
|
|
R14_sig(sigcontext) = context->R14;
|
|
|
|
R15_sig(sigcontext) = context->R15;
|
|
|
|
RIP_sig(sigcontext) = context->Rip;
|
|
|
|
CS_sig(sigcontext) = context->SegCs;
|
|
|
|
FS_sig(sigcontext) = context->SegFs;
|
|
|
|
GS_sig(sigcontext) = context->SegGs;
|
|
|
|
EFL_sig(sigcontext) = context->EFlags;
|
2009-05-01 18:01:51 +02:00
|
|
|
#ifdef DS_sig
|
|
|
|
DS_sig(sigcontext) = context->SegDs;
|
|
|
|
#endif
|
|
|
|
#ifdef ES_sig
|
|
|
|
ES_sig(sigcontext) = context->SegEs;
|
|
|
|
#endif
|
|
|
|
#ifdef SS_sig
|
|
|
|
SS_sig(sigcontext) = context->SegSs;
|
|
|
|
#endif
|
2005-09-16 21:40:52 +02:00
|
|
|
if (FPU_sig(sigcontext)) *FPU_sig(sigcontext) = context->u.FltSave;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-04-02 12:42:52 +02:00
|
|
|
/**************************************************************************
|
|
|
|
* __chkstk (NTDLL.@)
|
|
|
|
*
|
|
|
|
* Supposed to touch all the stack pages, but we shouldn't need that.
|
|
|
|
*/
|
|
|
|
__ASM_GLOBAL_FUNC( __chkstk, "ret" );
|
|
|
|
|
|
|
|
|
2006-04-20 15:40:28 +02:00
|
|
|
/***********************************************************************
|
2009-01-06 17:50:34 +01:00
|
|
|
* RtlCaptureContext (NTDLL.@)
|
2006-04-20 15:40:28 +02:00
|
|
|
*/
|
2011-01-27 12:20:19 +01:00
|
|
|
__ASM_GLOBAL_FUNC( RtlCaptureContext,
|
|
|
|
"pushfq\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
|
|
|
|
"movl $0x001000f,0x30(%rcx)\n\t" /* context->ContextFlags */
|
|
|
|
"stmxcsr 0x34(%rcx)\n\t" /* context->MxCsr */
|
|
|
|
"movw %cs,0x38(%rcx)\n\t" /* context->SegCs */
|
|
|
|
"movw %ds,0x3a(%rcx)\n\t" /* context->SegDs */
|
|
|
|
"movw %es,0x3c(%rcx)\n\t" /* context->SegEs */
|
|
|
|
"movw %fs,0x3e(%rcx)\n\t" /* context->SegFs */
|
|
|
|
"movw %gs,0x40(%rcx)\n\t" /* context->SegGs */
|
|
|
|
"movw %ss,0x42(%rcx)\n\t" /* context->SegSs */
|
|
|
|
"popq 0x44(%rcx)\n\t" /* context->Eflags */
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
|
|
|
|
"movq %rax,0x78(%rcx)\n\t" /* context->Rax */
|
|
|
|
"movq %rcx,0x80(%rcx)\n\t" /* context->Rcx */
|
|
|
|
"movq %rdx,0x88(%rcx)\n\t" /* context->Rdx */
|
|
|
|
"movq %rbx,0x90(%rcx)\n\t" /* context->Rbx */
|
|
|
|
"leaq 8(%rsp),%rax\n\t"
|
|
|
|
"movq %rax,0x98(%rcx)\n\t" /* context->Rsp */
|
|
|
|
"movq %rbp,0xa0(%rcx)\n\t" /* context->Rbp */
|
|
|
|
"movq %rsi,0xa8(%rcx)\n\t" /* context->Rsi */
|
|
|
|
"movq %rdi,0xb0(%rcx)\n\t" /* context->Rdi */
|
|
|
|
"movq %r8,0xb8(%rcx)\n\t" /* context->R8 */
|
|
|
|
"movq %r9,0xc0(%rcx)\n\t" /* context->R9 */
|
|
|
|
"movq %r10,0xc8(%rcx)\n\t" /* context->R10 */
|
|
|
|
"movq %r11,0xd0(%rcx)\n\t" /* context->R11 */
|
|
|
|
"movq %r12,0xd8(%rcx)\n\t" /* context->R12 */
|
|
|
|
"movq %r13,0xe0(%rcx)\n\t" /* context->R13 */
|
|
|
|
"movq %r14,0xe8(%rcx)\n\t" /* context->R14 */
|
|
|
|
"movq %r15,0xf0(%rcx)\n\t" /* context->R15 */
|
|
|
|
"movq (%rsp),%rax\n\t"
|
|
|
|
"movq %rax,0xf8(%rcx)\n\t" /* context->Rip */
|
|
|
|
"fxsave 0x100(%rcx)\n\t" /* context->FtlSave */
|
|
|
|
"movdqa %xmm0,0x1a0(%rcx)\n\t" /* context->Xmm0 */
|
|
|
|
"movdqa %xmm1,0x1b0(%rcx)\n\t" /* context->Xmm1 */
|
|
|
|
"movdqa %xmm2,0x1c0(%rcx)\n\t" /* context->Xmm2 */
|
|
|
|
"movdqa %xmm3,0x1d0(%rcx)\n\t" /* context->Xmm3 */
|
|
|
|
"movdqa %xmm4,0x1e0(%rcx)\n\t" /* context->Xmm4 */
|
|
|
|
"movdqa %xmm5,0x1f0(%rcx)\n\t" /* context->Xmm5 */
|
|
|
|
"movdqa %xmm6,0x200(%rcx)\n\t" /* context->Xmm6 */
|
|
|
|
"movdqa %xmm7,0x210(%rcx)\n\t" /* context->Xmm7 */
|
|
|
|
"movdqa %xmm8,0x220(%rcx)\n\t" /* context->Xmm8 */
|
|
|
|
"movdqa %xmm9,0x230(%rcx)\n\t" /* context->Xmm9 */
|
|
|
|
"movdqa %xmm10,0x240(%rcx)\n\t" /* context->Xmm10 */
|
|
|
|
"movdqa %xmm11,0x250(%rcx)\n\t" /* context->Xmm11 */
|
|
|
|
"movdqa %xmm12,0x260(%rcx)\n\t" /* context->Xmm12 */
|
|
|
|
"movdqa %xmm13,0x270(%rcx)\n\t" /* context->Xmm13 */
|
|
|
|
"movdqa %xmm14,0x280(%rcx)\n\t" /* context->Xmm14 */
|
|
|
|
"movdqa %xmm15,0x290(%rcx)\n\t" /* context->Xmm15 */
|
|
|
|
"ret" );
|
2006-04-20 15:40:28 +02:00
|
|
|
|
2006-01-11 20:20:32 +01:00
|
|
|
/***********************************************************************
|
2016-01-02 04:40:46 +01:00
|
|
|
* set_full_cpu_context
|
2006-01-11 20:20:32 +01:00
|
|
|
*
|
|
|
|
* Set the new CPU context.
|
|
|
|
*/
|
2016-01-02 04:40:46 +01:00
|
|
|
extern void set_full_cpu_context( const CONTEXT *context );
|
|
|
|
__ASM_GLOBAL_FUNC( set_full_cpu_context,
|
2011-01-27 12:46:55 +01:00
|
|
|
"subq $40,%rsp\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 40\n\t")
|
|
|
|
"ldmxcsr 0x34(%rdi)\n\t" /* context->MxCsr */
|
|
|
|
"movw 0x38(%rdi),%ax\n\t" /* context->SegCs */
|
|
|
|
"movq %rax,8(%rsp)\n\t"
|
|
|
|
"movw 0x42(%rdi),%ax\n\t" /* context->SegSs */
|
|
|
|
"movq %rax,32(%rsp)\n\t"
|
|
|
|
"movq 0x44(%rdi),%rax\n\t" /* context->Eflags */
|
|
|
|
"movq %rax,16(%rsp)\n\t"
|
|
|
|
"movq 0x80(%rdi),%rcx\n\t" /* context->Rcx */
|
|
|
|
"movq 0x88(%rdi),%rdx\n\t" /* context->Rdx */
|
|
|
|
"movq 0x90(%rdi),%rbx\n\t" /* context->Rbx */
|
|
|
|
"movq 0x98(%rdi),%rax\n\t" /* context->Rsp */
|
|
|
|
"movq %rax,24(%rsp)\n\t"
|
|
|
|
"movq 0xa0(%rdi),%rbp\n\t" /* context->Rbp */
|
|
|
|
"movq 0xa8(%rdi),%rsi\n\t" /* context->Rsi */
|
|
|
|
"movq 0xb8(%rdi),%r8\n\t" /* context->R8 */
|
|
|
|
"movq 0xc0(%rdi),%r9\n\t" /* context->R9 */
|
|
|
|
"movq 0xc8(%rdi),%r10\n\t" /* context->R10 */
|
|
|
|
"movq 0xd0(%rdi),%r11\n\t" /* context->R11 */
|
|
|
|
"movq 0xd8(%rdi),%r12\n\t" /* context->R12 */
|
|
|
|
"movq 0xe0(%rdi),%r13\n\t" /* context->R13 */
|
|
|
|
"movq 0xe8(%rdi),%r14\n\t" /* context->R14 */
|
|
|
|
"movq 0xf0(%rdi),%r15\n\t" /* context->R15 */
|
|
|
|
"movq 0xf8(%rdi),%rax\n\t" /* context->Rip */
|
|
|
|
"movq %rax,(%rsp)\n\t"
|
|
|
|
"fxrstor 0x100(%rdi)\n\t" /* context->FtlSave */
|
|
|
|
"movdqa 0x1a0(%rdi),%xmm0\n\t" /* context->Xmm0 */
|
|
|
|
"movdqa 0x1b0(%rdi),%xmm1\n\t" /* context->Xmm1 */
|
|
|
|
"movdqa 0x1c0(%rdi),%xmm2\n\t" /* context->Xmm2 */
|
|
|
|
"movdqa 0x1d0(%rdi),%xmm3\n\t" /* context->Xmm3 */
|
|
|
|
"movdqa 0x1e0(%rdi),%xmm4\n\t" /* context->Xmm4 */
|
|
|
|
"movdqa 0x1f0(%rdi),%xmm5\n\t" /* context->Xmm5 */
|
|
|
|
"movdqa 0x200(%rdi),%xmm6\n\t" /* context->Xmm6 */
|
|
|
|
"movdqa 0x210(%rdi),%xmm7\n\t" /* context->Xmm7 */
|
|
|
|
"movdqa 0x220(%rdi),%xmm8\n\t" /* context->Xmm8 */
|
|
|
|
"movdqa 0x230(%rdi),%xmm9\n\t" /* context->Xmm9 */
|
|
|
|
"movdqa 0x240(%rdi),%xmm10\n\t" /* context->Xmm10 */
|
|
|
|
"movdqa 0x250(%rdi),%xmm11\n\t" /* context->Xmm11 */
|
|
|
|
"movdqa 0x260(%rdi),%xmm12\n\t" /* context->Xmm12 */
|
|
|
|
"movdqa 0x270(%rdi),%xmm13\n\t" /* context->Xmm13 */
|
|
|
|
"movdqa 0x280(%rdi),%xmm14\n\t" /* context->Xmm14 */
|
|
|
|
"movdqa 0x290(%rdi),%xmm15\n\t" /* context->Xmm15 */
|
|
|
|
"movq 0x78(%rdi),%rax\n\t" /* context->Rax */
|
|
|
|
"movq 0xb0(%rdi),%rdi\n\t" /* context->Rdi */
|
|
|
|
"iretq" );
|
2006-01-11 20:20:32 +01:00
|
|
|
|
2016-01-02 04:40:46 +01:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* set_cpu_context
|
|
|
|
*
|
|
|
|
* Set the new CPU context. Used by NtSetContextThread.
|
|
|
|
*/
|
2017-12-04 13:56:32 +01:00
|
|
|
void DECLSPEC_HIDDEN set_cpu_context( const CONTEXT *context )
|
2016-01-02 04:40:46 +01:00
|
|
|
{
|
|
|
|
DWORD flags = context->ContextFlags & ~CONTEXT_AMD64;
|
2017-07-19 17:11:38 +02:00
|
|
|
|
|
|
|
if (flags & CONTEXT_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
amd64_thread_data()->dr0 = context->Dr0;
|
|
|
|
amd64_thread_data()->dr1 = context->Dr1;
|
|
|
|
amd64_thread_data()->dr2 = context->Dr2;
|
|
|
|
amd64_thread_data()->dr3 = context->Dr3;
|
|
|
|
amd64_thread_data()->dr6 = context->Dr6;
|
|
|
|
amd64_thread_data()->dr7 = context->Dr7;
|
|
|
|
}
|
2016-01-02 04:40:46 +01:00
|
|
|
if (flags & CONTEXT_FULL)
|
|
|
|
{
|
|
|
|
if (!(flags & CONTEXT_CONTROL))
|
|
|
|
FIXME( "setting partial context (%x) not supported\n", flags );
|
|
|
|
else
|
|
|
|
set_full_cpu_context( context );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-03-13 11:31:25 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* copy_context
|
|
|
|
*
|
|
|
|
* Copy a register context according to the flags.
|
|
|
|
*/
|
2017-07-18 11:15:46 +02:00
|
|
|
static void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
|
2009-03-13 11:31:25 +01:00
|
|
|
{
|
|
|
|
flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
|
|
|
|
if (flags & CONTEXT_CONTROL)
|
|
|
|
{
|
|
|
|
to->Rbp = from->Rbp;
|
|
|
|
to->Rip = from->Rip;
|
|
|
|
to->Rsp = from->Rsp;
|
|
|
|
to->SegCs = from->SegCs;
|
|
|
|
to->SegSs = from->SegSs;
|
|
|
|
to->EFlags = from->EFlags;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_INTEGER)
|
|
|
|
{
|
|
|
|
to->Rax = from->Rax;
|
|
|
|
to->Rcx = from->Rcx;
|
|
|
|
to->Rdx = from->Rdx;
|
|
|
|
to->Rbx = from->Rbx;
|
|
|
|
to->Rsi = from->Rsi;
|
|
|
|
to->Rdi = from->Rdi;
|
|
|
|
to->R8 = from->R8;
|
|
|
|
to->R9 = from->R9;
|
|
|
|
to->R10 = from->R10;
|
|
|
|
to->R11 = from->R11;
|
|
|
|
to->R12 = from->R12;
|
|
|
|
to->R13 = from->R13;
|
|
|
|
to->R14 = from->R14;
|
|
|
|
to->R15 = from->R15;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_SEGMENTS)
|
|
|
|
{
|
|
|
|
to->SegDs = from->SegDs;
|
|
|
|
to->SegEs = from->SegEs;
|
|
|
|
to->SegFs = from->SegFs;
|
|
|
|
to->SegGs = from->SegGs;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
|
|
{
|
2009-08-27 16:38:47 +02:00
|
|
|
to->MxCsr = from->MxCsr;
|
2009-03-13 11:31:25 +01:00
|
|
|
to->u.FltSave = from->u.FltSave;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
to->Dr0 = from->Dr0;
|
|
|
|
to->Dr1 = from->Dr1;
|
|
|
|
to->Dr2 = from->Dr2;
|
|
|
|
to->Dr3 = from->Dr3;
|
|
|
|
to->Dr6 = from->Dr6;
|
|
|
|
to->Dr7 = from->Dr7;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-08 19:38:02 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* context_to_server
|
|
|
|
*
|
|
|
|
* Convert a register context to the server format.
|
|
|
|
*/
|
|
|
|
NTSTATUS context_to_server( context_t *to, const CONTEXT *from )
|
|
|
|
{
|
|
|
|
DWORD flags = from->ContextFlags & ~CONTEXT_AMD64; /* get rid of CPU id */
|
|
|
|
|
|
|
|
memset( to, 0, sizeof(*to) );
|
|
|
|
to->cpu = CPU_x86_64;
|
|
|
|
|
|
|
|
if (flags & CONTEXT_CONTROL)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_CONTROL;
|
|
|
|
to->ctl.x86_64_regs.rbp = from->Rbp;
|
|
|
|
to->ctl.x86_64_regs.rip = from->Rip;
|
|
|
|
to->ctl.x86_64_regs.rsp = from->Rsp;
|
|
|
|
to->ctl.x86_64_regs.cs = from->SegCs;
|
|
|
|
to->ctl.x86_64_regs.ss = from->SegSs;
|
|
|
|
to->ctl.x86_64_regs.flags = from->EFlags;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_INTEGER)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_INTEGER;
|
|
|
|
to->integer.x86_64_regs.rax = from->Rax;
|
|
|
|
to->integer.x86_64_regs.rcx = from->Rcx;
|
|
|
|
to->integer.x86_64_regs.rdx = from->Rdx;
|
|
|
|
to->integer.x86_64_regs.rbx = from->Rbx;
|
|
|
|
to->integer.x86_64_regs.rsi = from->Rsi;
|
|
|
|
to->integer.x86_64_regs.rdi = from->Rdi;
|
|
|
|
to->integer.x86_64_regs.r8 = from->R8;
|
|
|
|
to->integer.x86_64_regs.r9 = from->R9;
|
|
|
|
to->integer.x86_64_regs.r10 = from->R10;
|
|
|
|
to->integer.x86_64_regs.r11 = from->R11;
|
|
|
|
to->integer.x86_64_regs.r12 = from->R12;
|
|
|
|
to->integer.x86_64_regs.r13 = from->R13;
|
|
|
|
to->integer.x86_64_regs.r14 = from->R14;
|
|
|
|
to->integer.x86_64_regs.r15 = from->R15;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_SEGMENTS)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_SEGMENTS;
|
|
|
|
to->seg.x86_64_regs.ds = from->SegDs;
|
|
|
|
to->seg.x86_64_regs.es = from->SegEs;
|
|
|
|
to->seg.x86_64_regs.fs = from->SegFs;
|
|
|
|
to->seg.x86_64_regs.gs = from->SegGs;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_FLOATING_POINT;
|
|
|
|
memcpy( to->fp.x86_64_regs.fpregs, &from->u.FltSave, sizeof(to->fp.x86_64_regs.fpregs) );
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_DEBUG_REGISTERS;
|
|
|
|
to->debug.x86_64_regs.dr0 = from->Dr0;
|
|
|
|
to->debug.x86_64_regs.dr1 = from->Dr1;
|
|
|
|
to->debug.x86_64_regs.dr2 = from->Dr2;
|
|
|
|
to->debug.x86_64_regs.dr3 = from->Dr3;
|
|
|
|
to->debug.x86_64_regs.dr6 = from->Dr6;
|
|
|
|
to->debug.x86_64_regs.dr7 = from->Dr7;
|
|
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* context_from_server
|
|
|
|
*
|
|
|
|
* Convert a register context from the server format.
|
|
|
|
*/
|
|
|
|
NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
|
|
|
|
{
|
|
|
|
if (from->cpu != CPU_x86_64) return STATUS_INVALID_PARAMETER;
|
|
|
|
|
|
|
|
to->ContextFlags = CONTEXT_AMD64;
|
|
|
|
if (from->flags & SERVER_CTX_CONTROL)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_CONTROL;
|
|
|
|
to->Rbp = from->ctl.x86_64_regs.rbp;
|
|
|
|
to->Rip = from->ctl.x86_64_regs.rip;
|
|
|
|
to->Rsp = from->ctl.x86_64_regs.rsp;
|
|
|
|
to->SegCs = from->ctl.x86_64_regs.cs;
|
|
|
|
to->SegSs = from->ctl.x86_64_regs.ss;
|
|
|
|
to->EFlags = from->ctl.x86_64_regs.flags;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (from->flags & SERVER_CTX_INTEGER)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_INTEGER;
|
|
|
|
to->Rax = from->integer.x86_64_regs.rax;
|
|
|
|
to->Rcx = from->integer.x86_64_regs.rcx;
|
|
|
|
to->Rdx = from->integer.x86_64_regs.rdx;
|
|
|
|
to->Rbx = from->integer.x86_64_regs.rbx;
|
|
|
|
to->Rsi = from->integer.x86_64_regs.rsi;
|
|
|
|
to->Rdi = from->integer.x86_64_regs.rdi;
|
|
|
|
to->R8 = from->integer.x86_64_regs.r8;
|
|
|
|
to->R9 = from->integer.x86_64_regs.r9;
|
|
|
|
to->R10 = from->integer.x86_64_regs.r10;
|
|
|
|
to->R11 = from->integer.x86_64_regs.r11;
|
|
|
|
to->R12 = from->integer.x86_64_regs.r12;
|
|
|
|
to->R13 = from->integer.x86_64_regs.r13;
|
|
|
|
to->R14 = from->integer.x86_64_regs.r14;
|
|
|
|
to->R15 = from->integer.x86_64_regs.r15;
|
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_SEGMENTS)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_SEGMENTS;
|
|
|
|
to->SegDs = from->seg.x86_64_regs.ds;
|
|
|
|
to->SegEs = from->seg.x86_64_regs.es;
|
|
|
|
to->SegFs = from->seg.x86_64_regs.fs;
|
|
|
|
to->SegGs = from->seg.x86_64_regs.gs;
|
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_FLOATING_POINT)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_FLOATING_POINT;
|
|
|
|
memcpy( &to->u.FltSave, from->fp.x86_64_regs.fpregs, sizeof(from->fp.x86_64_regs.fpregs) );
|
2009-08-27 16:38:47 +02:00
|
|
|
to->MxCsr = to->u.FltSave.MxCsr;
|
2009-04-08 19:38:02 +02:00
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_DEBUG_REGISTERS;
|
|
|
|
to->Dr0 = from->debug.x86_64_regs.dr0;
|
|
|
|
to->Dr1 = from->debug.x86_64_regs.dr1;
|
|
|
|
to->Dr2 = from->debug.x86_64_regs.dr2;
|
|
|
|
to->Dr3 = from->debug.x86_64_regs.dr3;
|
|
|
|
to->Dr6 = from->debug.x86_64_regs.dr6;
|
|
|
|
to->Dr7 = from->debug.x86_64_regs.dr7;
|
|
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2017-07-18 11:08:37 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* NtSetContextThread (NTDLL.@)
|
|
|
|
* ZwSetContextThread (NTDLL.@)
|
|
|
|
*/
|
|
|
|
NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
|
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
NTSTATUS ret = STATUS_SUCCESS;
|
|
|
|
BOOL self = (handle == GetCurrentThread());
|
|
|
|
|
|
|
|
/* debug registers require a server call */
|
|
|
|
if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64)))
|
|
|
|
self = (amd64_thread_data()->dr0 == context->Dr0 &&
|
|
|
|
amd64_thread_data()->dr1 == context->Dr1 &&
|
|
|
|
amd64_thread_data()->dr2 == context->Dr2 &&
|
|
|
|
amd64_thread_data()->dr3 == context->Dr3 &&
|
|
|
|
amd64_thread_data()->dr6 == context->Dr6 &&
|
|
|
|
amd64_thread_data()->dr7 == context->Dr7);
|
|
|
|
|
|
|
|
if (!self) ret = set_thread_context( handle, context, &self );
|
2017-07-18 11:08:37 +02:00
|
|
|
|
|
|
|
if (self && ret == STATUS_SUCCESS) set_cpu_context( context );
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2017-07-18 11:15:46 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* NtGetContextThread (NTDLL.@)
|
|
|
|
* ZwGetContextThread (NTDLL.@)
|
|
|
|
*/
|
|
|
|
NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
|
|
|
|
{
|
|
|
|
NTSTATUS ret;
|
|
|
|
DWORD needed_flags = context->ContextFlags;
|
|
|
|
BOOL self = (handle == GetCurrentThread());
|
|
|
|
|
|
|
|
/* debug registers require a server call */
|
|
|
|
if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64)) self = FALSE;
|
|
|
|
|
|
|
|
if (!self)
|
|
|
|
{
|
|
|
|
if ((ret = get_thread_context( handle, context, &self ))) return ret;
|
|
|
|
needed_flags &= ~context->ContextFlags;
|
|
|
|
}
|
|
|
|
|
2017-07-19 17:11:38 +02:00
|
|
|
if (self)
|
2017-07-18 11:15:46 +02:00
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
if (needed_flags)
|
|
|
|
{
|
|
|
|
CONTEXT ctx;
|
|
|
|
RtlCaptureContext( &ctx );
|
|
|
|
copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
|
|
|
|
context->ContextFlags |= ctx.ContextFlags & needed_flags;
|
|
|
|
}
|
|
|
|
/* update the cached version of the debug registers */
|
|
|
|
if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64))
|
|
|
|
{
|
|
|
|
amd64_thread_data()->dr0 = context->Dr0;
|
|
|
|
amd64_thread_data()->dr1 = context->Dr1;
|
|
|
|
amd64_thread_data()->dr2 = context->Dr2;
|
|
|
|
amd64_thread_data()->dr3 = context->Dr3;
|
|
|
|
amd64_thread_data()->dr6 = context->Dr6;
|
|
|
|
amd64_thread_data()->dr7 = context->Dr7;
|
|
|
|
}
|
2017-07-18 11:15:46 +02:00
|
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-16 15:27:48 +02:00
|
|
|
extern void raise_func_trampoline( EXCEPTION_RECORD *rec, CONTEXT *context, raise_func func );
|
|
|
|
__ASM_GLOBAL_FUNC( raise_func_trampoline,
|
2010-04-12 12:38:27 +02:00
|
|
|
__ASM_CFI(".cfi_signal_frame\n\t")
|
2017-03-07 19:11:11 +01:00
|
|
|
__ASM_CFI(".cfi_def_cfa %rbp,160\n\t") /* red zone + rip + rbp + rdi + rsi */
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rip,24\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbp,16\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rdi,8\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rsi,0\n\t")
|
2009-06-16 15:27:48 +02:00
|
|
|
"call *%rdx\n\t"
|
|
|
|
"int $3")
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* setup_exception
|
|
|
|
*
|
|
|
|
* Setup a proper stack frame for the raise function, and modify the
|
|
|
|
* sigcontext so that the return from the signal handler will call
|
|
|
|
* the raise function.
|
|
|
|
*/
|
|
|
|
static EXCEPTION_RECORD *setup_exception( ucontext_t *sigcontext, raise_func func )
|
|
|
|
{
|
|
|
|
struct stack_layout
|
|
|
|
{
|
|
|
|
CONTEXT context;
|
|
|
|
EXCEPTION_RECORD rec;
|
2017-03-07 19:11:11 +01:00
|
|
|
ULONG64 rsi;
|
|
|
|
ULONG64 rdi;
|
2009-06-16 15:27:48 +02:00
|
|
|
ULONG64 rbp;
|
|
|
|
ULONG64 rip;
|
|
|
|
ULONG64 red_zone[16];
|
|
|
|
} *stack;
|
|
|
|
ULONG64 *rsp_ptr;
|
|
|
|
DWORD exception_code = 0;
|
|
|
|
|
|
|
|
stack = (struct stack_layout *)(RSP_sig(sigcontext) & ~15);
|
|
|
|
|
|
|
|
/* stack sanity checks */
|
|
|
|
|
2009-08-28 18:24:06 +02:00
|
|
|
if (is_inside_signal_stack( stack ))
|
2009-06-16 15:27:48 +02:00
|
|
|
{
|
|
|
|
ERR( "nested exception on signal stack in thread %04x eip %016lx esp %016lx stack %p-%p\n",
|
2013-08-20 20:51:19 +02:00
|
|
|
GetCurrentThreadId(), (ULONG_PTR)RIP_sig(sigcontext), (ULONG_PTR)RSP_sig(sigcontext),
|
2009-06-16 15:27:48 +02:00
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
|
|
|
abort_thread(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (stack - 1 > stack || /* check for overflow in subtraction */
|
|
|
|
(char *)stack <= (char *)NtCurrentTeb()->DeallocationStack ||
|
|
|
|
(char *)stack > (char *)NtCurrentTeb()->Tib.StackBase)
|
|
|
|
{
|
|
|
|
WARN( "exception outside of stack limits in thread %04x eip %016lx esp %016lx stack %p-%p\n",
|
2013-08-20 20:51:19 +02:00
|
|
|
GetCurrentThreadId(), (ULONG_PTR)RIP_sig(sigcontext), (ULONG_PTR)RSP_sig(sigcontext),
|
2009-06-16 15:27:48 +02:00
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
|
|
|
}
|
|
|
|
else if ((char *)(stack - 1) < (char *)NtCurrentTeb()->DeallocationStack + 4096)
|
|
|
|
{
|
|
|
|
/* stack overflow on last page, unrecoverable */
|
|
|
|
UINT diff = (char *)NtCurrentTeb()->DeallocationStack + 4096 - (char *)(stack - 1);
|
|
|
|
ERR( "stack overflow %u bytes in thread %04x eip %016lx esp %016lx stack %p-%p-%p\n",
|
2013-08-20 20:51:19 +02:00
|
|
|
diff, GetCurrentThreadId(), (ULONG_PTR)RIP_sig(sigcontext),
|
|
|
|
(ULONG_PTR)RSP_sig(sigcontext), NtCurrentTeb()->DeallocationStack,
|
2009-06-16 15:27:48 +02:00
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
|
|
|
abort_thread(1);
|
|
|
|
}
|
|
|
|
else if ((char *)(stack - 1) < (char *)NtCurrentTeb()->Tib.StackLimit)
|
|
|
|
{
|
|
|
|
/* stack access below stack limit, may be recoverable */
|
|
|
|
if (virtual_handle_stack_fault( stack - 1 )) exception_code = EXCEPTION_STACK_OVERFLOW;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
UINT diff = (char *)NtCurrentTeb()->Tib.StackLimit - (char *)(stack - 1);
|
|
|
|
ERR( "stack overflow %u bytes in thread %04x eip %016lx esp %016lx stack %p-%p-%p\n",
|
2013-08-20 20:51:19 +02:00
|
|
|
diff, GetCurrentThreadId(), (ULONG_PTR)RIP_sig(sigcontext),
|
|
|
|
(ULONG_PTR)RSP_sig(sigcontext), NtCurrentTeb()->DeallocationStack,
|
2009-06-16 15:27:48 +02:00
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
|
|
|
abort_thread(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
stack--; /* push the stack_layout structure */
|
2010-02-22 21:03:35 +01:00
|
|
|
#if defined(VALGRIND_MAKE_MEM_UNDEFINED)
|
|
|
|
VALGRIND_MAKE_MEM_UNDEFINED(stack, sizeof(*stack));
|
|
|
|
#elif defined(VALGRIND_MAKE_WRITABLE)
|
|
|
|
VALGRIND_MAKE_WRITABLE(stack, sizeof(*stack));
|
|
|
|
#endif
|
2009-06-16 15:27:48 +02:00
|
|
|
stack->rec.ExceptionRecord = NULL;
|
|
|
|
stack->rec.ExceptionCode = exception_code;
|
|
|
|
stack->rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
|
|
stack->rec.ExceptionAddress = (void *)RIP_sig(sigcontext);
|
|
|
|
stack->rec.NumberParameters = 0;
|
|
|
|
save_context( &stack->context, sigcontext );
|
|
|
|
|
|
|
|
/* store return address and %rbp without aligning, so that the offset is fixed */
|
|
|
|
rsp_ptr = (ULONG64 *)RSP_sig(sigcontext) - 16;
|
|
|
|
*(--rsp_ptr) = RIP_sig(sigcontext);
|
|
|
|
*(--rsp_ptr) = RBP_sig(sigcontext);
|
2017-03-07 19:11:11 +01:00
|
|
|
*(--rsp_ptr) = RDI_sig(sigcontext);
|
|
|
|
*(--rsp_ptr) = RSI_sig(sigcontext);
|
2009-06-16 15:27:48 +02:00
|
|
|
|
|
|
|
/* now modify the sigcontext to return to the raise function */
|
|
|
|
RIP_sig(sigcontext) = (ULONG_PTR)raise_func_trampoline;
|
|
|
|
RDI_sig(sigcontext) = (ULONG_PTR)&stack->rec;
|
|
|
|
RSI_sig(sigcontext) = (ULONG_PTR)&stack->context;
|
|
|
|
RDX_sig(sigcontext) = (ULONG_PTR)func;
|
|
|
|
RBP_sig(sigcontext) = (ULONG_PTR)rsp_ptr;
|
|
|
|
RSP_sig(sigcontext) = (ULONG_PTR)stack;
|
|
|
|
/* clear single-step, direction, and align check flag */
|
|
|
|
EFL_sig(sigcontext) &= ~(0x100|0x400|0x40000);
|
|
|
|
|
|
|
|
return &stack->rec;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2016-02-18 09:58:36 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* get_exception_context
|
|
|
|
*
|
|
|
|
* Get a pointer to the context built by setup_exception.
|
|
|
|
*/
|
|
|
|
static inline CONTEXT *get_exception_context( EXCEPTION_RECORD *rec )
|
|
|
|
{
|
|
|
|
return (CONTEXT *)rec - 1; /* cf. stack_layout structure */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-05-22 11:48:30 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* find_function_info
|
|
|
|
*/
|
|
|
|
static RUNTIME_FUNCTION *find_function_info( ULONG64 pc, HMODULE module,
|
|
|
|
RUNTIME_FUNCTION *func, ULONG size )
|
|
|
|
{
|
|
|
|
int min = 0;
|
|
|
|
int max = size/sizeof(*func) - 1;
|
|
|
|
|
|
|
|
while (min <= max)
|
|
|
|
{
|
|
|
|
int pos = (min + max) / 2;
|
|
|
|
if ((char *)pc < (char *)module + func[pos].BeginAddress) max = pos - 1;
|
|
|
|
else if ((char *)pc >= (char *)module + func[pos].EndAddress) min = pos + 1;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
func += pos;
|
|
|
|
while (func->UnwindData & 1) /* follow chained entry */
|
|
|
|
func = (RUNTIME_FUNCTION *)((char *)module + (func->UnwindData & ~1));
|
|
|
|
return func;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2014-04-04 10:11:56 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* lookup_function_info
|
|
|
|
*/
|
|
|
|
static RUNTIME_FUNCTION *lookup_function_info( ULONG64 pc, ULONG64 *base, LDR_MODULE **module )
|
|
|
|
{
|
|
|
|
RUNTIME_FUNCTION *func = NULL;
|
2014-04-07 00:22:07 +02:00
|
|
|
struct dynamic_unwind_entry *entry;
|
2014-04-04 10:11:56 +02:00
|
|
|
ULONG size;
|
|
|
|
|
|
|
|
/* PE module or wine module */
|
|
|
|
if (!LdrFindEntryForAddress( (void *)pc, module ))
|
|
|
|
{
|
|
|
|
*base = (ULONG64)(*module)->BaseAddress;
|
|
|
|
if ((func = RtlImageDirectoryEntryToData( (*module)->BaseAddress, TRUE,
|
|
|
|
IMAGE_DIRECTORY_ENTRY_EXCEPTION, &size )))
|
|
|
|
{
|
|
|
|
/* lookup in function table */
|
|
|
|
func = find_function_info( pc, (*module)->BaseAddress, func, size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
2014-04-07 00:22:07 +02:00
|
|
|
{
|
2014-04-04 10:11:56 +02:00
|
|
|
*module = NULL;
|
|
|
|
|
2014-04-07 00:22:07 +02:00
|
|
|
RtlEnterCriticalSection( &dynamic_unwind_section );
|
|
|
|
LIST_FOR_EACH_ENTRY( entry, &dynamic_unwind_list, struct dynamic_unwind_entry, entry )
|
|
|
|
{
|
|
|
|
if (pc >= entry->base && pc < entry->base + entry->size)
|
|
|
|
{
|
|
|
|
*base = entry->base;
|
2014-04-07 00:41:30 +02:00
|
|
|
|
|
|
|
/* use callback or lookup in function table */
|
|
|
|
if (entry->callback)
|
|
|
|
func = entry->callback( pc, entry->context );
|
|
|
|
else
|
|
|
|
func = find_function_info( pc, (HMODULE)entry->base, entry->table, entry->table_size );
|
2014-04-07 00:22:07 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
RtlLeaveCriticalSection( &dynamic_unwind_section );
|
|
|
|
}
|
|
|
|
|
2014-04-04 10:11:56 +02:00
|
|
|
return func;
|
|
|
|
}
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2016-08-17 12:48:17 +02:00
|
|
|
static DWORD nested_exception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
|
|
|
|
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
|
|
|
|
{
|
|
|
|
if (rec->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND)) return ExceptionContinueSearch;
|
|
|
|
|
|
|
|
/* FIXME */
|
|
|
|
return ExceptionNestedException;
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_handler
|
|
|
|
*
|
|
|
|
* Call a single exception handler.
|
|
|
|
* FIXME: Handle nested exceptions.
|
|
|
|
*/
|
2016-08-17 12:48:10 +02:00
|
|
|
static DWORD call_handler( EXCEPTION_RECORD *rec, CONTEXT *context, DISPATCHER_CONTEXT *dispatch )
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
2016-08-17 12:48:17 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD frame;
|
2009-06-17 19:35:11 +02:00
|
|
|
DWORD res;
|
|
|
|
|
2016-08-17 12:48:17 +02:00
|
|
|
frame.Handler = nested_exception_handler;
|
|
|
|
__wine_push_frame( &frame );
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE( "calling handler %p (rec=%p, frame=0x%lx context=%p, dispatch=%p)\n",
|
|
|
|
dispatch->LanguageHandler, rec, dispatch->EstablisherFrame, dispatch->ContextRecord, dispatch );
|
2016-08-17 12:48:10 +02:00
|
|
|
res = dispatch->LanguageHandler( rec, dispatch->EstablisherFrame, context, dispatch );
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE( "handler at %p returned %u\n", dispatch->LanguageHandler, res );
|
2016-08-17 12:48:17 +02:00
|
|
|
|
|
|
|
__wine_pop_frame( &frame );
|
2016-08-17 12:48:05 +02:00
|
|
|
return res;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-17 19:39:41 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_teb_handler
|
|
|
|
*
|
|
|
|
* Call a single exception handler from the TEB chain.
|
|
|
|
* FIXME: Handle nested exceptions.
|
|
|
|
*/
|
2016-08-17 12:48:10 +02:00
|
|
|
static DWORD call_teb_handler( EXCEPTION_RECORD *rec, CONTEXT *context, DISPATCHER_CONTEXT *dispatch,
|
2016-08-17 12:48:05 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD *teb_frame )
|
2009-06-17 19:39:41 +02:00
|
|
|
{
|
|
|
|
DWORD res;
|
|
|
|
|
2016-08-17 12:48:05 +02:00
|
|
|
TRACE( "calling TEB handler %p (rec=%p, frame=%p context=%p, dispatch=%p)\n",
|
|
|
|
teb_frame->Handler, rec, teb_frame, dispatch->ContextRecord, dispatch );
|
2016-08-17 12:48:10 +02:00
|
|
|
res = teb_frame->Handler( rec, teb_frame, context, (EXCEPTION_REGISTRATION_RECORD**)dispatch );
|
2009-06-17 19:39:41 +02:00
|
|
|
TRACE( "handler at %p returned %u\n", teb_frame->Handler, res );
|
2016-08-17 12:48:05 +02:00
|
|
|
return res;
|
2009-06-17 19:39:41 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-30 13:08:32 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_stack_handlers
|
|
|
|
*
|
|
|
|
* Call the stack handlers chain.
|
|
|
|
*/
|
2009-05-22 11:52:13 +02:00
|
|
|
static NTSTATUS call_stack_handlers( EXCEPTION_RECORD *rec, CONTEXT *orig_context )
|
2009-04-30 13:08:32 +02:00
|
|
|
{
|
2009-06-17 19:39:41 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD *teb_frame = NtCurrentTeb()->Tib.ExceptionList;
|
2009-05-22 11:52:13 +02:00
|
|
|
UNWIND_HISTORY_TABLE table;
|
|
|
|
DISPATCHER_CONTEXT dispatch;
|
2016-08-17 12:48:24 +02:00
|
|
|
CONTEXT context;
|
2009-05-22 11:52:13 +02:00
|
|
|
LDR_MODULE *module;
|
2009-06-17 19:35:11 +02:00
|
|
|
NTSTATUS status;
|
2009-05-22 11:52:13 +02:00
|
|
|
|
|
|
|
context = *orig_context;
|
2009-06-17 19:35:11 +02:00
|
|
|
dispatch.TargetIp = 0;
|
|
|
|
dispatch.ContextRecord = &context;
|
|
|
|
dispatch.HistoryTable = &table;
|
2009-05-22 11:52:13 +02:00
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
/* FIXME: should use the history table to make things faster */
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
dispatch.ImageBase = 0;
|
2016-08-17 12:48:05 +02:00
|
|
|
dispatch.ControlPc = context.Rip;
|
|
|
|
dispatch.ScopeIndex = 0;
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2010-04-09 13:15:41 +02:00
|
|
|
/* first look for PE exception information */
|
|
|
|
|
2016-08-17 12:48:24 +02:00
|
|
|
if ((dispatch.FunctionEntry = lookup_function_info( dispatch.ControlPc, &dispatch.ImageBase, &module )))
|
2009-05-22 11:52:13 +02:00
|
|
|
{
|
2014-04-04 10:11:56 +02:00
|
|
|
dispatch.LanguageHandler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, dispatch.ImageBase,
|
2016-08-17 12:48:24 +02:00
|
|
|
dispatch.ControlPc, dispatch.FunctionEntry,
|
|
|
|
&context, &dispatch.HandlerData,
|
2014-04-04 10:11:56 +02:00
|
|
|
&dispatch.EstablisherFrame, NULL );
|
|
|
|
goto unwind_done;
|
2009-05-22 11:52:13 +02:00
|
|
|
}
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2010-04-09 13:15:41 +02:00
|
|
|
/* then look for host system exception information */
|
|
|
|
|
|
|
|
if (!module || (module->Flags & LDR_WINE_INTERNAL))
|
2009-05-22 11:52:13 +02:00
|
|
|
{
|
2015-06-05 07:41:24 +02:00
|
|
|
BOOL got_info = FALSE;
|
2009-06-17 19:35:11 +02:00
|
|
|
struct dwarf_eh_bases bases;
|
2016-08-17 12:48:24 +02:00
|
|
|
const struct dwarf_fde *fde = _Unwind_Find_FDE( (void *)(dispatch.ControlPc - 1), &bases );
|
2010-04-09 13:15:41 +02:00
|
|
|
|
|
|
|
if (fde)
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
2016-08-17 12:48:24 +02:00
|
|
|
status = dwarf_virtual_unwind( dispatch.ControlPc, &dispatch.EstablisherFrame, &context,
|
2010-04-09 13:15:41 +02:00
|
|
|
fde, &bases, &dispatch.LanguageHandler, &dispatch.HandlerData );
|
|
|
|
if (status != STATUS_SUCCESS) return status;
|
2015-06-05 07:41:24 +02:00
|
|
|
got_info = TRUE;
|
|
|
|
}
|
2015-08-07 11:52:58 +02:00
|
|
|
#ifdef HAVE_LIBUNWIND_H
|
2015-06-05 07:41:24 +02:00
|
|
|
else
|
|
|
|
{
|
2016-08-17 12:48:24 +02:00
|
|
|
status = libunwind_virtual_unwind( dispatch.ControlPc, &got_info, &dispatch.EstablisherFrame, &context,
|
2015-06-05 07:41:24 +02:00
|
|
|
&dispatch.LanguageHandler, &dispatch.HandlerData );
|
|
|
|
if (status != STATUS_SUCCESS) return status;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (got_info)
|
|
|
|
{
|
2010-04-09 13:15:41 +02:00
|
|
|
dispatch.FunctionEntry = NULL;
|
|
|
|
if (dispatch.LanguageHandler && !module)
|
|
|
|
{
|
|
|
|
FIXME( "calling personality routine in system library not supported yet\n" );
|
|
|
|
dispatch.LanguageHandler = NULL;
|
|
|
|
}
|
|
|
|
goto unwind_done;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
2009-05-22 11:52:13 +02:00
|
|
|
}
|
2014-04-04 10:11:56 +02:00
|
|
|
else WARN( "exception data not found in %s\n", debugstr_w(module->BaseDllName.Buffer) );
|
2009-05-22 11:52:13 +02:00
|
|
|
|
2016-08-17 12:48:24 +02:00
|
|
|
context.Rip = *(ULONG64 *)context.Rsp;
|
|
|
|
context.Rsp = context.Rsp + sizeof(ULONG64);
|
|
|
|
dispatch.EstablisherFrame = context.Rsp;
|
2010-04-09 13:15:41 +02:00
|
|
|
dispatch.LanguageHandler = NULL;
|
|
|
|
|
|
|
|
unwind_done:
|
2009-06-17 19:35:11 +02:00
|
|
|
if (!dispatch.EstablisherFrame) break;
|
2009-05-22 11:52:13 +02:00
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
if ((dispatch.EstablisherFrame & 7) ||
|
|
|
|
dispatch.EstablisherFrame < (ULONG64)NtCurrentTeb()->Tib.StackLimit ||
|
|
|
|
dispatch.EstablisherFrame > (ULONG64)NtCurrentTeb()->Tib.StackBase)
|
2009-05-22 11:52:13 +02:00
|
|
|
{
|
2009-06-17 19:35:11 +02:00
|
|
|
ERR( "invalid frame %lx (%p-%p)\n", dispatch.EstablisherFrame,
|
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
2009-05-22 11:52:13 +02:00
|
|
|
rec->ExceptionFlags |= EH_STACK_INVALID;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
if (dispatch.LanguageHandler)
|
2009-05-22 11:52:13 +02:00
|
|
|
{
|
2016-08-17 12:48:10 +02:00
|
|
|
switch (call_handler( rec, orig_context, &dispatch ))
|
2016-08-17 12:48:05 +02:00
|
|
|
{
|
|
|
|
case ExceptionContinueExecution:
|
|
|
|
if (rec->ExceptionFlags & EH_NONCONTINUABLE) return STATUS_NONCONTINUABLE_EXCEPTION;
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
case ExceptionContinueSearch:
|
2016-08-17 12:48:17 +02:00
|
|
|
break;
|
2016-08-17 12:48:05 +02:00
|
|
|
case ExceptionNestedException:
|
2016-08-17 12:48:17 +02:00
|
|
|
FIXME( "nested exception\n" );
|
2016-08-17 12:48:05 +02:00
|
|
|
break;
|
|
|
|
case ExceptionCollidedUnwind: {
|
|
|
|
ULONG64 frame;
|
|
|
|
|
|
|
|
context = *dispatch.ContextRecord;
|
|
|
|
dispatch.ContextRecord = &context;
|
|
|
|
RtlVirtualUnwind( UNW_FLAG_NHANDLER, dispatch.ImageBase,
|
|
|
|
dispatch.ControlPc, dispatch.FunctionEntry,
|
|
|
|
&context, NULL, &frame, NULL );
|
|
|
|
goto unwind_done;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
2009-05-22 11:52:13 +02:00
|
|
|
}
|
2009-06-17 19:39:41 +02:00
|
|
|
/* hack: call wine handlers registered in the tib list */
|
2016-08-17 12:48:24 +02:00
|
|
|
else while ((ULONG64)teb_frame < context.Rsp)
|
2009-06-17 19:39:41 +02:00
|
|
|
{
|
|
|
|
TRACE( "found wine frame %p rsp %lx handler %p\n",
|
2016-08-17 12:48:24 +02:00
|
|
|
teb_frame, context.Rsp, teb_frame->Handler );
|
2009-06-17 19:39:41 +02:00
|
|
|
dispatch.EstablisherFrame = (ULONG64)teb_frame;
|
2016-08-17 12:48:10 +02:00
|
|
|
switch (call_teb_handler( rec, orig_context, &dispatch, teb_frame ))
|
2016-08-17 12:48:05 +02:00
|
|
|
{
|
|
|
|
case ExceptionContinueExecution:
|
|
|
|
if (rec->ExceptionFlags & EH_NONCONTINUABLE) return STATUS_NONCONTINUABLE_EXCEPTION;
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
case ExceptionContinueSearch:
|
2016-08-17 12:48:17 +02:00
|
|
|
break;
|
2016-08-17 12:48:05 +02:00
|
|
|
case ExceptionNestedException:
|
2016-08-17 12:48:17 +02:00
|
|
|
FIXME( "nested exception\n" );
|
2016-08-17 12:48:05 +02:00
|
|
|
break;
|
|
|
|
case ExceptionCollidedUnwind: {
|
|
|
|
ULONG64 frame;
|
|
|
|
|
|
|
|
context = *dispatch.ContextRecord;
|
|
|
|
dispatch.ContextRecord = &context;
|
|
|
|
RtlVirtualUnwind( UNW_FLAG_NHANDLER, dispatch.ImageBase,
|
|
|
|
dispatch.ControlPc, dispatch.FunctionEntry,
|
|
|
|
&context, NULL, &frame, NULL );
|
|
|
|
teb_frame = teb_frame->Prev;
|
|
|
|
goto unwind_done;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
return STATUS_INVALID_DISPOSITION;
|
|
|
|
}
|
2009-06-17 19:39:41 +02:00
|
|
|
teb_frame = teb_frame->Prev;
|
|
|
|
}
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2016-08-17 12:48:24 +02:00
|
|
|
if (context.Rsp == (ULONG64)NtCurrentTeb()->Tib.StackBase) break;
|
2009-05-22 11:52:13 +02:00
|
|
|
}
|
2009-04-30 13:08:32 +02:00
|
|
|
return STATUS_UNHANDLED_EXCEPTION;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************
|
2017-07-20 13:25:04 +02:00
|
|
|
* NtRaiseException (NTDLL.@)
|
2009-04-30 13:08:32 +02:00
|
|
|
*/
|
2017-07-20 13:25:04 +02:00
|
|
|
NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
|
2009-04-30 13:08:32 +02:00
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
|
|
|
|
if (first_chance)
|
|
|
|
{
|
|
|
|
DWORD c;
|
|
|
|
|
|
|
|
TRACE( "code=%x flags=%x addr=%p ip=%lx tid=%04x\n",
|
|
|
|
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress,
|
|
|
|
context->Rip, GetCurrentThreadId() );
|
2009-05-22 11:52:13 +02:00
|
|
|
for (c = 0; c < min( EXCEPTION_MAXIMUM_PARAMETERS, rec->NumberParameters ); c++)
|
2012-03-12 11:27:00 +01:00
|
|
|
TRACE( " info[%d]=%016lx\n", c, rec->ExceptionInformation[c] );
|
2009-04-30 13:08:32 +02:00
|
|
|
if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
|
|
|
|
{
|
|
|
|
if (rec->ExceptionInformation[1] >> 16)
|
|
|
|
MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
|
|
|
|
rec->ExceptionAddress,
|
|
|
|
(char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
|
|
|
|
else
|
|
|
|
MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
|
|
|
|
rec->ExceptionAddress,
|
|
|
|
(char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
TRACE(" rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx\n",
|
|
|
|
context->Rax, context->Rbx, context->Rcx, context->Rdx );
|
|
|
|
TRACE(" rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
|
|
|
|
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
|
|
|
|
TRACE(" r8=%016lx r9=%016lx r10=%016lx r11=%016lx\n",
|
|
|
|
context->R8, context->R9, context->R10, context->R11 );
|
|
|
|
TRACE(" r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
|
|
|
|
context->R12, context->R13, context->R14, context->R15 );
|
|
|
|
}
|
|
|
|
status = send_debug_event( rec, TRUE, context );
|
2017-07-20 13:25:04 +02:00
|
|
|
if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED) goto done;
|
2009-04-30 13:08:32 +02:00
|
|
|
|
2016-02-19 03:08:42 +01:00
|
|
|
/* fix up instruction pointer in context for EXCEPTION_BREAKPOINT */
|
|
|
|
if (rec->ExceptionCode == EXCEPTION_BREAKPOINT) context->Rip--;
|
|
|
|
|
2017-07-20 13:25:04 +02:00
|
|
|
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION) goto done;
|
2009-04-30 13:08:32 +02:00
|
|
|
|
2017-07-20 13:25:04 +02:00
|
|
|
if ((status = call_stack_handlers( rec, context )) == STATUS_SUCCESS) goto done;
|
|
|
|
if (status != STATUS_UNHANDLED_EXCEPTION) return status;
|
2009-04-30 13:08:32 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* last chance exception */
|
|
|
|
|
|
|
|
status = send_debug_event( rec, FALSE, context );
|
|
|
|
if (status != DBG_CONTINUE)
|
|
|
|
{
|
|
|
|
if (rec->ExceptionFlags & EH_STACK_INVALID)
|
|
|
|
ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
|
|
|
|
else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
|
|
|
|
ERR("Process attempted to continue execution after noncontinuable exception.\n");
|
|
|
|
else
|
|
|
|
ERR("Unhandled exception code %x flags %x addr %p\n",
|
|
|
|
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
|
|
|
|
NtTerminateProcess( NtCurrentProcess(), rec->ExceptionCode );
|
|
|
|
}
|
2017-07-20 13:25:04 +02:00
|
|
|
|
|
|
|
done:
|
|
|
|
return NtSetContextThread( GetCurrentThread(), context );
|
2009-04-30 13:08:32 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-16 15:27:48 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* raise_segv_exception
|
|
|
|
*/
|
|
|
|
static void raise_segv_exception( EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
|
|
|
|
switch(rec->ExceptionCode)
|
|
|
|
{
|
|
|
|
case EXCEPTION_ACCESS_VIOLATION:
|
|
|
|
if (rec->NumberParameters == 2)
|
|
|
|
{
|
|
|
|
if (!(rec->ExceptionCode = virtual_handle_fault( (void *)rec->ExceptionInformation[1],
|
2015-02-10 14:54:25 +01:00
|
|
|
rec->ExceptionInformation[0], FALSE )))
|
2009-06-16 15:27:48 +02:00
|
|
|
set_cpu_context( context );
|
|
|
|
}
|
|
|
|
break;
|
2016-02-18 09:58:36 +01:00
|
|
|
case EXCEPTION_BREAKPOINT:
|
|
|
|
switch (rec->ExceptionInformation[0])
|
|
|
|
{
|
|
|
|
case 1: /* BREAKPOINT_PRINT */
|
|
|
|
case 3: /* BREAKPOINT_LOAD_SYMBOLS */
|
|
|
|
case 4: /* BREAKPOINT_UNLOAD_SYMBOLS */
|
|
|
|
case 5: /* BREAKPOINT_COMMAND_STRING (>= Win2003) */
|
2017-07-19 17:11:38 +02:00
|
|
|
set_cpu_context( context );
|
2016-02-18 09:58:36 +01:00
|
|
|
}
|
|
|
|
break;
|
2009-06-16 15:27:48 +02:00
|
|
|
}
|
2017-07-19 17:11:38 +02:00
|
|
|
status = NtRaiseException( rec, context, TRUE );
|
|
|
|
raise_status( status, rec );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* raise_trap_exception
|
|
|
|
*/
|
|
|
|
static void raise_trap_exception( EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
|
|
|
|
if (rec->ExceptionCode == EXCEPTION_SINGLE_STEP)
|
|
|
|
{
|
|
|
|
/* when single stepping can't tell whether this is a hw bp or a
|
|
|
|
* single step interrupt. try to avoid as much overhead as possible
|
|
|
|
* and only do a server call if there is any hw bp enabled. */
|
|
|
|
|
|
|
|
if( !(context->EFlags & 0x100) || (amd64_thread_data()->dr7 & 0xff) )
|
|
|
|
{
|
|
|
|
/* (possible) hardware breakpoint, fetch the debug registers */
|
|
|
|
DWORD saved_flags = context->ContextFlags;
|
|
|
|
context->ContextFlags = CONTEXT_DEBUG_REGISTERS;
|
|
|
|
NtGetContextThread(GetCurrentThread(), context);
|
|
|
|
context->ContextFlags |= saved_flags; /* restore flags */
|
|
|
|
}
|
|
|
|
|
|
|
|
context->EFlags &= ~0x100; /* clear single-step flag */
|
|
|
|
}
|
|
|
|
|
|
|
|
status = NtRaiseException( rec, context, TRUE );
|
|
|
|
raise_status( status, rec );
|
2009-06-16 15:27:48 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* raise_generic_exception
|
|
|
|
*
|
|
|
|
* Generic raise function for exceptions that don't need special treatment.
|
|
|
|
*/
|
|
|
|
static void raise_generic_exception( EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
NTSTATUS status = NtRaiseException( rec, context, TRUE );
|
|
|
|
raise_status( status, rec );
|
2009-06-16 15:27:48 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2016-02-18 09:58:36 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* handle_interrupt
|
|
|
|
*
|
|
|
|
* Handle an interrupt.
|
|
|
|
*/
|
|
|
|
static inline BOOL handle_interrupt( unsigned int interrupt, EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
|
|
{
|
|
|
|
switch(interrupt)
|
|
|
|
{
|
|
|
|
case 0x2d:
|
|
|
|
context->Rip += 3;
|
|
|
|
rec->ExceptionCode = EXCEPTION_BREAKPOINT;
|
|
|
|
rec->ExceptionAddress = (void *)context->Rip;
|
|
|
|
rec->NumberParameters = 1;
|
|
|
|
rec->ExceptionInformation[0] = context->Rax;
|
|
|
|
return TRUE;
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* segv_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGSEGV and related errors.
|
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2016-04-15 10:52:17 +02:00
|
|
|
EXCEPTION_RECORD *rec;
|
2009-05-01 17:57:29 +02:00
|
|
|
ucontext_t *ucontext = sigcontext;
|
2005-09-16 21:40:52 +02:00
|
|
|
|
2016-04-15 10:52:17 +02:00
|
|
|
/* check for page fault inside the thread stack */
|
|
|
|
if (TRAP_sig(ucontext) == TRAP_x86_PAGEFLT &&
|
|
|
|
(char *)siginfo->si_addr >= (char *)NtCurrentTeb()->DeallocationStack &&
|
|
|
|
(char *)siginfo->si_addr < (char *)NtCurrentTeb()->Tib.StackBase &&
|
|
|
|
virtual_handle_stack_fault( siginfo->si_addr ))
|
|
|
|
{
|
|
|
|
/* check if this was the last guard page */
|
|
|
|
if ((char *)siginfo->si_addr < (char *)NtCurrentTeb()->DeallocationStack + 2*4096)
|
|
|
|
{
|
|
|
|
rec = setup_exception( sigcontext, raise_segv_exception );
|
|
|
|
rec->ExceptionCode = EXCEPTION_STACK_OVERFLOW;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
rec = setup_exception( sigcontext, raise_segv_exception );
|
|
|
|
if (rec->ExceptionCode == EXCEPTION_STACK_OVERFLOW) return;
|
|
|
|
|
2009-05-01 17:57:29 +02:00
|
|
|
switch(TRAP_sig(ucontext))
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_OFLOW: /* Overflow exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_INT_OVERFLOW;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_BOUND: /* Bound range exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_PRIVINFLT: /* Invalid opcode exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_STKFLT: /* Stack fault */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_STACK_OVERFLOW;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_SEGNPFLT: /* Segment not present exception */
|
|
|
|
case TRAP_x86_PROTFLT: /* General protection fault */
|
|
|
|
case TRAP_x86_UNKNOWN: /* Unknown fault code */
|
2016-02-18 09:58:36 +01:00
|
|
|
{
|
|
|
|
CONTEXT *win_context = get_exception_context( rec );
|
|
|
|
WORD err = ERROR_sig(ucontext);
|
|
|
|
if ((err & 7) == 2 && handle_interrupt( err >> 3, rec, win_context )) break;
|
|
|
|
rec->ExceptionCode = err ? EXCEPTION_ACCESS_VIOLATION : EXCEPTION_PRIV_INSTRUCTION;
|
|
|
|
rec->ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
|
|
|
|
}
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_PAGEFLT: /* Page fault */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
|
|
|
|
rec->NumberParameters = 2;
|
|
|
|
rec->ExceptionInformation[0] = (ERROR_sig(ucontext) & 2) != 0;
|
|
|
|
rec->ExceptionInformation[1] = (ULONG_PTR)siginfo->si_addr;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_ALIGNFLT: /* Alignment check exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_DATATYPE_MISALIGNMENT;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
default:
|
2013-08-20 20:51:19 +02:00
|
|
|
ERR( "Got unexpected trap %ld\n", (ULONG_PTR)TRAP_sig(ucontext) );
|
2005-09-16 21:40:52 +02:00
|
|
|
/* fall through */
|
2006-02-03 12:30:55 +01:00
|
|
|
case TRAP_x86_NMI: /* NMI interrupt */
|
|
|
|
case TRAP_x86_DNA: /* Device not available exception */
|
|
|
|
case TRAP_x86_DOUBLEFLT: /* Double fault exception */
|
|
|
|
case TRAP_x86_TSSFLT: /* Invalid TSS exception */
|
|
|
|
case TRAP_x86_MCHK: /* Machine check exception */
|
|
|
|
case TRAP_x86_CACHEFLT: /* Cache flush exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* trap_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGTRAP.
|
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2017-07-19 17:11:38 +02:00
|
|
|
EXCEPTION_RECORD *rec = setup_exception( sigcontext, raise_trap_exception );
|
2005-09-16 21:40:52 +02:00
|
|
|
|
2009-05-01 17:57:29 +02:00
|
|
|
switch (siginfo->si_code)
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
|
|
|
case TRAP_TRACE: /* Single-step exception */
|
2010-04-06 22:28:37 +02:00
|
|
|
case 4 /* TRAP_HWBKPT */: /* Hardware breakpoint exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_SINGLE_STEP;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case TRAP_BRKPT: /* Breakpoint exception */
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionAddress = (char *)rec->ExceptionAddress - 1; /* back up over the int3 instruction */
|
2005-09-16 21:40:52 +02:00
|
|
|
/* fall through */
|
|
|
|
default:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_BREAKPOINT;
|
2016-02-19 03:09:17 +01:00
|
|
|
rec->NumberParameters = 1;
|
|
|
|
rec->ExceptionInformation[0] = 0;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* fpe_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGFPE.
|
|
|
|
*/
|
2009-06-16 15:27:48 +02:00
|
|
|
static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2009-06-16 15:27:48 +02:00
|
|
|
EXCEPTION_RECORD *rec = setup_exception( sigcontext, raise_generic_exception );
|
2005-09-16 21:40:52 +02:00
|
|
|
|
2009-05-01 17:57:29 +02:00
|
|
|
switch (siginfo->si_code)
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
|
|
|
case FPE_FLTSUB:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_INTDIV:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_INTOVF:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_INT_OVERFLOW;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_FLTDIV:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_FLT_DIVIDE_BY_ZERO;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_FLTOVF:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_FLT_OVERFLOW;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_FLTUND:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_FLT_UNDERFLOW;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_FLTRES:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_FLT_INEXACT_RESULT;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
case FPE_FLTINV:
|
|
|
|
default:
|
2009-06-16 15:27:48 +02:00
|
|
|
rec->ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
|
2005-09-16 21:40:52 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* int_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGINT.
|
|
|
|
*/
|
2009-06-16 15:27:48 +02:00
|
|
|
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
|
|
|
if (!dispatch_signal(SIGINT))
|
|
|
|
{
|
2009-06-16 15:27:48 +02:00
|
|
|
EXCEPTION_RECORD *rec = setup_exception( sigcontext, raise_generic_exception );
|
|
|
|
rec->ExceptionCode = CONTROL_C_EXIT;
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* abrt_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGABRT.
|
|
|
|
*/
|
2009-06-16 15:27:48 +02:00
|
|
|
static void abrt_handler( int signal, siginfo_t *siginfo, void *sigcontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2009-06-16 15:27:48 +02:00
|
|
|
EXCEPTION_RECORD *rec = setup_exception( sigcontext, raise_generic_exception );
|
|
|
|
rec->ExceptionCode = EXCEPTION_WINE_ASSERTION;
|
|
|
|
rec->ExceptionFlags = EH_NONCONTINUABLE;
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
2007-12-20 12:19:35 +01:00
|
|
|
* quit_handler
|
2005-09-16 21:40:52 +02:00
|
|
|
*
|
2007-12-20 12:19:35 +01:00
|
|
|
* Handler for SIGQUIT.
|
2005-09-16 21:40:52 +02:00
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void quit_handler( int signal, siginfo_t *siginfo, void *ucontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2009-02-20 11:23:08 +01:00
|
|
|
abort_thread(0);
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* usr1_handler
|
|
|
|
*
|
|
|
|
* Handler for SIGUSR1, used to signal a thread that it got suspended.
|
|
|
|
*/
|
2009-05-01 17:57:29 +02:00
|
|
|
static void usr1_handler( int signal, siginfo_t *siginfo, void *ucontext )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2005-11-02 21:54:12 +01:00
|
|
|
CONTEXT context;
|
2005-09-16 21:40:52 +02:00
|
|
|
|
2009-05-01 17:57:29 +02:00
|
|
|
save_context( &context, ucontext );
|
2005-11-02 21:54:12 +01:00
|
|
|
wait_suspend( &context );
|
2009-05-01 17:57:29 +02:00
|
|
|
restore_context( &context, ucontext );
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-19 12:25:52 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* __wine_set_signal_handler (NTDLL.@)
|
|
|
|
*/
|
|
|
|
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
|
|
|
|
{
|
2016-03-28 07:20:08 +02:00
|
|
|
if (sig >= sizeof(handlers) / sizeof(handlers[0])) return -1;
|
2009-11-19 12:25:52 +01:00
|
|
|
if (handlers[sig] != NULL) return -2;
|
|
|
|
handlers[sig] = wsh;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/**********************************************************************
|
2009-11-19 12:25:52 +01:00
|
|
|
* signal_alloc_thread
|
2005-09-16 21:40:52 +02:00
|
|
|
*/
|
2009-11-19 12:25:52 +01:00
|
|
|
NTSTATUS signal_alloc_thread( TEB **teb )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2009-11-19 12:25:52 +01:00
|
|
|
static size_t sigstack_zero_bits;
|
|
|
|
SIZE_T size;
|
|
|
|
NTSTATUS status;
|
|
|
|
|
|
|
|
if (!sigstack_zero_bits)
|
2009-06-16 15:27:48 +02:00
|
|
|
{
|
2009-11-19 12:25:52 +01:00
|
|
|
size_t min_size = teb_size + max( MINSIGSTKSZ, 8192 );
|
2009-06-16 15:27:48 +02:00
|
|
|
/* find the first power of two not smaller than min_size */
|
2009-11-19 12:25:52 +01:00
|
|
|
sigstack_zero_bits = 12;
|
|
|
|
while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
|
|
|
|
signal_stack_size = (1 << sigstack_zero_bits) - teb_size;
|
|
|
|
assert( sizeof(TEB) <= teb_size );
|
2009-06-16 15:27:48 +02:00
|
|
|
}
|
2009-11-19 12:25:52 +01:00
|
|
|
|
|
|
|
size = 1 << sigstack_zero_bits;
|
|
|
|
*teb = NULL;
|
|
|
|
if (!(status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)teb, sigstack_zero_bits,
|
|
|
|
&size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
|
|
|
|
{
|
|
|
|
(*teb)->Tib.Self = &(*teb)->Tib;
|
|
|
|
(*teb)->Tib.ExceptionList = (void *)~0UL;
|
|
|
|
}
|
|
|
|
return status;
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-19 12:25:52 +01:00
|
|
|
/**********************************************************************
|
|
|
|
* signal_free_thread
|
2005-09-16 21:40:52 +02:00
|
|
|
*/
|
2009-11-19 12:25:52 +01:00
|
|
|
void signal_free_thread( TEB *teb )
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2017-11-29 10:43:39 +01:00
|
|
|
SIZE_T size = 0;
|
2009-11-19 12:25:52 +01:00
|
|
|
|
|
|
|
NtFreeVirtualMemory( NtCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
2016-07-28 23:33:25 +02:00
|
|
|
#ifdef __APPLE__
|
|
|
|
/**********************************************************************
|
|
|
|
* mac_thread_gsbase
|
|
|
|
*/
|
|
|
|
static void *mac_thread_gsbase(void)
|
|
|
|
{
|
|
|
|
static int gsbase_offset = -1;
|
|
|
|
void *ret;
|
|
|
|
|
|
|
|
if (gsbase_offset < 0)
|
|
|
|
{
|
|
|
|
/* Search for the array of TLS slots within the pthread data structure.
|
|
|
|
That's what the macOS pthread implementation uses for gsbase. */
|
|
|
|
const void* const sentinel1 = (const void*)0x2bffb6b4f11228ae;
|
|
|
|
const void* const sentinel2 = (const void*)0x0845a7ff6ab76707;
|
|
|
|
int rc;
|
|
|
|
pthread_key_t key;
|
|
|
|
const void** p = (const void**)pthread_self();
|
|
|
|
int i;
|
|
|
|
|
|
|
|
gsbase_offset = 0;
|
|
|
|
if ((rc = pthread_key_create(&key, NULL)))
|
|
|
|
{
|
|
|
|
ERR("failed to create sentinel key for gsbase search: %d\n", rc);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_setspecific(key, sentinel1);
|
|
|
|
|
|
|
|
for (i = key + 1; i < 2000; i++) /* arbitrary limit */
|
|
|
|
{
|
|
|
|
if (p[i] == sentinel1)
|
|
|
|
{
|
|
|
|
pthread_setspecific(key, sentinel2);
|
|
|
|
|
|
|
|
if (p[i] == sentinel2)
|
|
|
|
{
|
|
|
|
gsbase_offset = (i - key) * sizeof(*p);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_setspecific(key, sentinel1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_key_delete(key);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (gsbase_offset)
|
|
|
|
{
|
|
|
|
ret = (char*)pthread_self() + gsbase_offset;
|
|
|
|
TRACE("pthread_self() %p + offset 0x%08x -> gsbase %p\n", pthread_self(), gsbase_offset, ret);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ret = NULL;
|
|
|
|
ERR("failed to locate gsbase; won't be able to poke ThreadLocalStoragePointer into pthread TLS; expect crashes\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2017-09-19 12:14:58 +02:00
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/**********************************************************************
|
2008-07-03 20:18:23 +02:00
|
|
|
* signal_init_thread
|
2005-09-16 21:40:52 +02:00
|
|
|
*/
|
2009-02-18 13:04:50 +01:00
|
|
|
void signal_init_thread( TEB *teb )
|
2008-07-03 20:18:23 +02:00
|
|
|
{
|
2010-06-21 11:49:25 +02:00
|
|
|
const WORD fpu_cw = 0x27f;
|
2009-06-16 15:27:48 +02:00
|
|
|
stack_t ss;
|
|
|
|
|
2010-05-24 04:18:17 +02:00
|
|
|
#if defined __linux__
|
2009-02-18 13:04:50 +01:00
|
|
|
arch_prctl( ARCH_SET_GS, teb );
|
2011-01-16 00:53:13 +01:00
|
|
|
#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
|
2010-05-24 04:18:17 +02:00
|
|
|
amd64_set_gsbase( teb );
|
2014-04-13 17:08:31 +02:00
|
|
|
#elif defined(__NetBSD__)
|
|
|
|
sysarch( X86_64_SET_GSBASE, &teb );
|
2015-02-05 21:28:58 +01:00
|
|
|
#elif defined (__APPLE__)
|
2016-07-27 17:42:29 +02:00
|
|
|
__asm__ volatile (".byte 0x65\n\tmovq %0,%c1"
|
|
|
|
:
|
|
|
|
: "r" (teb->Tib.Self), "n" (FIELD_OFFSET(TEB, Tib.Self)));
|
2016-07-28 23:33:25 +02:00
|
|
|
__asm__ volatile (".byte 0x65\n\tmovq %0,%c1"
|
|
|
|
:
|
|
|
|
: "r" (teb->ThreadLocalStoragePointer), "n" (FIELD_OFFSET(TEB, ThreadLocalStoragePointer)));
|
|
|
|
|
|
|
|
/* alloc_tls_slot() needs to poke a value to an address relative to each
|
|
|
|
thread's gsbase. Have each thread record its gsbase pointer into its
|
|
|
|
TEB so alloc_tls_slot() can find it. */
|
|
|
|
teb->Reserved5[0] = mac_thread_gsbase();
|
2009-02-18 13:04:50 +01:00
|
|
|
#else
|
|
|
|
# error Please define setting %gs for your architecture
|
|
|
|
#endif
|
2009-06-16 15:27:48 +02:00
|
|
|
|
|
|
|
ss.ss_sp = (char *)teb + teb_size;
|
|
|
|
ss.ss_size = signal_stack_size;
|
|
|
|
ss.ss_flags = 0;
|
|
|
|
if (sigaltstack(&ss, NULL) == -1) perror( "sigaltstack" );
|
2010-06-17 10:17:15 +02:00
|
|
|
|
|
|
|
#ifdef __GNUC__
|
2010-06-21 11:49:25 +02:00
|
|
|
__asm__ volatile ("fninit; fldcw %0" : : "m" (fpu_cw));
|
2010-06-17 10:17:15 +02:00
|
|
|
#else
|
2010-06-21 11:49:25 +02:00
|
|
|
FIXME("FPU setup not implemented for this platform.\n");
|
2010-06-17 10:17:15 +02:00
|
|
|
#endif
|
2008-07-03 20:18:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_init_process
|
|
|
|
*/
|
2017-11-29 17:11:10 +01:00
|
|
|
void signal_init_process(void)
|
2005-09-16 21:40:52 +02:00
|
|
|
{
|
2009-05-01 17:57:29 +02:00
|
|
|
struct sigaction sig_act;
|
|
|
|
|
|
|
|
sig_act.sa_mask = server_block_set;
|
2009-06-16 15:27:48 +02:00
|
|
|
sig_act.sa_flags = SA_RESTART | SA_SIGINFO | SA_ONSTACK;
|
2009-05-01 17:57:29 +02:00
|
|
|
|
|
|
|
sig_act.sa_sigaction = int_handler;
|
|
|
|
if (sigaction( SIGINT, &sig_act, NULL ) == -1) goto error;
|
|
|
|
sig_act.sa_sigaction = fpe_handler;
|
|
|
|
if (sigaction( SIGFPE, &sig_act, NULL ) == -1) goto error;
|
|
|
|
sig_act.sa_sigaction = abrt_handler;
|
|
|
|
if (sigaction( SIGABRT, &sig_act, NULL ) == -1) goto error;
|
|
|
|
sig_act.sa_sigaction = quit_handler;
|
|
|
|
if (sigaction( SIGQUIT, &sig_act, NULL ) == -1) goto error;
|
|
|
|
sig_act.sa_sigaction = usr1_handler;
|
|
|
|
if (sigaction( SIGUSR1, &sig_act, NULL ) == -1) goto error;
|
|
|
|
|
|
|
|
sig_act.sa_sigaction = segv_handler;
|
|
|
|
if (sigaction( SIGSEGV, &sig_act, NULL ) == -1) goto error;
|
|
|
|
if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
|
2005-09-16 21:40:52 +02:00
|
|
|
#ifdef SIGBUS
|
2009-05-01 17:57:29 +02:00
|
|
|
if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
|
2005-09-16 21:40:52 +02:00
|
|
|
#endif
|
2009-05-01 17:57:29 +02:00
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
#ifdef SIGTRAP
|
2009-05-01 17:57:29 +02:00
|
|
|
sig_act.sa_sigaction = trap_handler;
|
|
|
|
if (sigaction( SIGTRAP, &sig_act, NULL ) == -1) goto error;
|
2005-09-16 21:40:52 +02:00
|
|
|
#endif
|
2008-07-03 20:18:23 +02:00
|
|
|
return;
|
2005-09-16 21:40:52 +02:00
|
|
|
|
|
|
|
error:
|
|
|
|
perror("sigaction");
|
2008-07-03 20:18:23 +02:00
|
|
|
exit(1);
|
2005-09-16 21:40:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-04 12:06:20 +01:00
|
|
|
/**********************************************************************
|
|
|
|
* RtlAddFunctionTable (NTDLL.@)
|
|
|
|
*/
|
|
|
|
BOOLEAN CDECL RtlAddFunctionTable( RUNTIME_FUNCTION *table, DWORD count, DWORD64 addr )
|
|
|
|
{
|
2014-04-07 00:22:07 +02:00
|
|
|
struct dynamic_unwind_entry *entry;
|
|
|
|
|
|
|
|
TRACE( "%p %u %lx\n", table, count, addr );
|
|
|
|
|
|
|
|
/* NOTE: Windows doesn't check if table is aligned or a NULL pointer */
|
|
|
|
|
|
|
|
entry = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*entry) );
|
|
|
|
if (!entry)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
entry->base = addr;
|
|
|
|
entry->size = table[count - 1].EndAddress;
|
|
|
|
entry->table = table;
|
|
|
|
entry->table_size = count * sizeof(RUNTIME_FUNCTION);
|
2014-04-07 00:41:30 +02:00
|
|
|
entry->callback = NULL;
|
|
|
|
entry->context = NULL;
|
|
|
|
|
|
|
|
RtlEnterCriticalSection( &dynamic_unwind_section );
|
|
|
|
list_add_tail( &dynamic_unwind_list, &entry->entry );
|
|
|
|
RtlLeaveCriticalSection( &dynamic_unwind_section );
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* RtlInstallFunctionTableCallback (NTDLL.@)
|
|
|
|
*/
|
|
|
|
BOOLEAN CDECL RtlInstallFunctionTableCallback( DWORD64 table, DWORD64 base, DWORD length,
|
|
|
|
PGET_RUNTIME_FUNCTION_CALLBACK callback, PVOID context, PCWSTR dll )
|
|
|
|
{
|
|
|
|
struct dynamic_unwind_entry *entry;
|
|
|
|
|
|
|
|
TRACE( "%lx %lx %d %p %p %s\n", table, base, length, callback, context, wine_dbgstr_w(dll) );
|
|
|
|
|
|
|
|
/* NOTE: Windows doesn't check if the provided callback is a NULL pointer */
|
|
|
|
|
|
|
|
/* both low-order bits must be set */
|
|
|
|
if ((table & 0x3) != 0x3)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
entry = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*entry) );
|
|
|
|
if (!entry)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
entry->base = base;
|
|
|
|
entry->size = length;
|
|
|
|
entry->table = (RUNTIME_FUNCTION *)table;
|
|
|
|
entry->table_size = 0;
|
|
|
|
entry->callback = callback;
|
|
|
|
entry->context = context;
|
2014-04-07 00:22:07 +02:00
|
|
|
|
|
|
|
RtlEnterCriticalSection( &dynamic_unwind_section );
|
|
|
|
list_add_tail( &dynamic_unwind_list, &entry->entry );
|
|
|
|
RtlLeaveCriticalSection( &dynamic_unwind_section );
|
|
|
|
|
2012-02-16 03:52:23 +01:00
|
|
|
return TRUE;
|
2009-12-04 12:06:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* RtlDeleteFunctionTable (NTDLL.@)
|
|
|
|
*/
|
|
|
|
BOOLEAN CDECL RtlDeleteFunctionTable( RUNTIME_FUNCTION *table )
|
|
|
|
{
|
2014-04-07 00:22:07 +02:00
|
|
|
struct dynamic_unwind_entry *entry, *to_free = NULL;
|
|
|
|
|
|
|
|
TRACE( "%p\n", table );
|
|
|
|
|
|
|
|
RtlEnterCriticalSection( &dynamic_unwind_section );
|
|
|
|
LIST_FOR_EACH_ENTRY( entry, &dynamic_unwind_list, struct dynamic_unwind_entry, entry )
|
|
|
|
{
|
|
|
|
if (entry->table == table)
|
|
|
|
{
|
|
|
|
to_free = entry;
|
|
|
|
list_remove( &entry->entry );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
RtlLeaveCriticalSection( &dynamic_unwind_section );
|
|
|
|
|
|
|
|
if (!to_free)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
RtlFreeHeap( GetProcessHeap(), 0, to_free );
|
2012-02-16 03:52:23 +01:00
|
|
|
return TRUE;
|
2009-12-04 12:06:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-12-08 19:29:06 +01:00
|
|
|
/**********************************************************************
|
|
|
|
* RtlLookupFunctionEntry (NTDLL.@)
|
|
|
|
*/
|
2009-05-22 11:48:30 +02:00
|
|
|
PRUNTIME_FUNCTION WINAPI RtlLookupFunctionEntry( ULONG64 pc, ULONG64 *base, UNWIND_HISTORY_TABLE *table )
|
2008-12-08 19:29:06 +01:00
|
|
|
{
|
2009-05-22 11:48:30 +02:00
|
|
|
LDR_MODULE *module;
|
|
|
|
RUNTIME_FUNCTION *func;
|
|
|
|
|
|
|
|
/* FIXME: should use the history table to make things faster */
|
|
|
|
|
2014-04-04 10:11:56 +02:00
|
|
|
func = lookup_function_info( pc, base, &module );
|
|
|
|
if (!func)
|
2009-05-22 11:48:30 +02:00
|
|
|
{
|
2014-05-31 06:29:33 +02:00
|
|
|
*base = 0;
|
2014-04-04 10:11:56 +02:00
|
|
|
if (module)
|
|
|
|
WARN( "no exception table found in module %p pc %lx\n", module->BaseAddress, pc );
|
|
|
|
else
|
|
|
|
WARN( "module not found for %lx\n", pc );
|
2009-05-22 11:48:30 +02:00
|
|
|
}
|
2014-04-04 10:11:56 +02:00
|
|
|
|
2009-05-22 11:48:30 +02:00
|
|
|
return func;
|
2008-12-08 19:29:06 +01:00
|
|
|
}
|
|
|
|
|
2009-05-15 20:18:59 +02:00
|
|
|
static ULONG64 get_int_reg( CONTEXT *context, int reg )
|
|
|
|
{
|
|
|
|
return *(&context->Rax + reg);
|
|
|
|
}
|
|
|
|
|
2016-08-06 13:58:19 +02:00
|
|
|
static void set_int_reg( CONTEXT *context, KNONVOLATILE_CONTEXT_POINTERS *ctx_ptr, int reg, ULONG64 *val )
|
2009-05-15 20:18:59 +02:00
|
|
|
{
|
2016-08-06 13:58:19 +02:00
|
|
|
*(&context->Rax + reg) = *val;
|
|
|
|
if (ctx_ptr) ctx_ptr->u2.IntegerContext[reg] = val;
|
2009-05-15 20:18:59 +02:00
|
|
|
}
|
|
|
|
|
2016-08-06 13:58:19 +02:00
|
|
|
static void set_float_reg( CONTEXT *context, KNONVOLATILE_CONTEXT_POINTERS *ctx_ptr, int reg, M128A *val )
|
2009-05-15 20:18:59 +02:00
|
|
|
{
|
2016-08-06 13:58:19 +02:00
|
|
|
*(&context->u.s.Xmm0 + reg) = *val;
|
|
|
|
if (ctx_ptr) ctx_ptr->u.FloatingContext[reg] = val;
|
2009-05-15 20:18:59 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static int get_opcode_size( struct opcode op )
|
|
|
|
{
|
|
|
|
switch (op.code)
|
|
|
|
{
|
|
|
|
case UWOP_ALLOC_LARGE:
|
|
|
|
return 2 + (op.info != 0);
|
|
|
|
case UWOP_SAVE_NONVOL:
|
|
|
|
case UWOP_SAVE_XMM128:
|
|
|
|
return 2;
|
|
|
|
case UWOP_SAVE_NONVOL_FAR:
|
|
|
|
case UWOP_SAVE_XMM128_FAR:
|
|
|
|
return 3;
|
|
|
|
default:
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
2008-12-08 19:29:06 +01:00
|
|
|
|
2012-03-12 19:18:37 +01:00
|
|
|
static BOOL is_inside_epilog( BYTE *pc, ULONG64 base, const RUNTIME_FUNCTION *function )
|
2009-05-20 12:31:28 +02:00
|
|
|
{
|
|
|
|
/* add or lea must be the first instruction, and it must have a rex.W prefix */
|
|
|
|
if ((pc[0] & 0xf8) == 0x48)
|
|
|
|
{
|
|
|
|
switch (pc[1])
|
|
|
|
{
|
|
|
|
case 0x81: /* add $nnnn,%rsp */
|
|
|
|
if (pc[0] == 0x48 && pc[2] == 0xc4)
|
|
|
|
{
|
|
|
|
pc += 7;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return FALSE;
|
|
|
|
case 0x83: /* add $n,%rsp */
|
|
|
|
if (pc[0] == 0x48 && pc[2] == 0xc4)
|
|
|
|
{
|
|
|
|
pc += 4;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return FALSE;
|
|
|
|
case 0x8d: /* lea n(reg),%rsp */
|
|
|
|
if (pc[0] & 0x06) return FALSE; /* rex.RX must be cleared */
|
|
|
|
if (((pc[2] >> 3) & 7) != 4) return FALSE; /* dest reg mus be %rsp */
|
|
|
|
if ((pc[2] & 7) == 4) return FALSE; /* no SIB byte allowed */
|
|
|
|
if ((pc[2] >> 6) == 1) /* 8-bit offset */
|
|
|
|
{
|
|
|
|
pc += 4;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((pc[2] >> 6) == 2) /* 32-bit offset */
|
|
|
|
{
|
|
|
|
pc += 7;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* now check for various pop instructions */
|
|
|
|
|
|
|
|
for (;;)
|
|
|
|
{
|
2012-03-12 19:18:37 +01:00
|
|
|
if ((*pc & 0xf0) == 0x40) pc++; /* rex prefix */
|
2009-05-20 12:31:28 +02:00
|
|
|
|
|
|
|
switch (*pc)
|
|
|
|
{
|
|
|
|
case 0x58: /* pop %rax/%r8 */
|
|
|
|
case 0x59: /* pop %rcx/%r9 */
|
|
|
|
case 0x5a: /* pop %rdx/%r10 */
|
|
|
|
case 0x5b: /* pop %rbx/%r11 */
|
|
|
|
case 0x5c: /* pop %rsp/%r12 */
|
|
|
|
case 0x5d: /* pop %rbp/%r13 */
|
|
|
|
case 0x5e: /* pop %rsi/%r14 */
|
|
|
|
case 0x5f: /* pop %rdi/%r15 */
|
|
|
|
pc++;
|
|
|
|
continue;
|
|
|
|
case 0xc2: /* ret $nn */
|
|
|
|
case 0xc3: /* ret */
|
|
|
|
return TRUE;
|
2012-03-12 19:18:37 +01:00
|
|
|
case 0xe9: /* jmp nnnn */
|
2012-03-15 20:29:23 +01:00
|
|
|
pc += 5 + *(LONG *)(pc + 1);
|
|
|
|
if (pc - (BYTE *)base >= function->BeginAddress && pc - (BYTE *)base < function->EndAddress)
|
|
|
|
continue;
|
|
|
|
break;
|
2012-03-12 19:18:37 +01:00
|
|
|
case 0xeb: /* jmp n */
|
2012-03-15 20:29:23 +01:00
|
|
|
pc += 2 + (signed char)pc[1];
|
|
|
|
if (pc - (BYTE *)base >= function->BeginAddress && pc - (BYTE *)base < function->EndAddress)
|
|
|
|
continue;
|
|
|
|
break;
|
2012-03-12 18:59:45 +01:00
|
|
|
case 0xf3: /* rep; ret (for amd64 prediction bug) */
|
|
|
|
return pc[1] == 0xc3;
|
2009-05-20 12:31:28 +02:00
|
|
|
}
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* execute a function epilog, which must have been validated with is_inside_epilog() */
|
|
|
|
static void interpret_epilog( BYTE *pc, CONTEXT *context, KNONVOLATILE_CONTEXT_POINTERS *ctx_ptr )
|
|
|
|
{
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
BYTE rex = 0;
|
|
|
|
|
|
|
|
if ((*pc & 0xf0) == 0x40) rex = *pc++ & 0x0f; /* rex prefix */
|
|
|
|
|
|
|
|
switch (*pc)
|
|
|
|
{
|
|
|
|
case 0x58: /* pop %rax/r8 */
|
|
|
|
case 0x59: /* pop %rcx/r9 */
|
|
|
|
case 0x5a: /* pop %rdx/r10 */
|
|
|
|
case 0x5b: /* pop %rbx/r11 */
|
|
|
|
case 0x5c: /* pop %rsp/r12 */
|
|
|
|
case 0x5d: /* pop %rbp/r13 */
|
|
|
|
case 0x5e: /* pop %rsi/r14 */
|
|
|
|
case 0x5f: /* pop %rdi/r15 */
|
2016-08-06 13:58:19 +02:00
|
|
|
set_int_reg( context, ctx_ptr, *pc - 0x58 + (rex & 1) * 8, (ULONG64 *)context->Rsp );
|
2009-05-20 12:31:28 +02:00
|
|
|
context->Rsp += sizeof(ULONG64);
|
|
|
|
pc++;
|
|
|
|
continue;
|
|
|
|
case 0x81: /* add $nnnn,%rsp */
|
|
|
|
context->Rsp += *(LONG *)(pc + 2);
|
|
|
|
pc += 2 + sizeof(LONG);
|
|
|
|
continue;
|
|
|
|
case 0x83: /* add $n,%rsp */
|
|
|
|
context->Rsp += (signed char)pc[2];
|
|
|
|
pc += 3;
|
|
|
|
continue;
|
|
|
|
case 0x8d:
|
|
|
|
if ((pc[1] >> 6) == 1) /* lea n(reg),%rsp */
|
|
|
|
{
|
|
|
|
context->Rsp = get_int_reg( context, (pc[1] & 7) + (rex & 1) * 8 ) + (signed char)pc[2];
|
|
|
|
pc += 3;
|
|
|
|
}
|
|
|
|
else /* lea nnnn(reg),%rsp */
|
|
|
|
{
|
|
|
|
context->Rsp = get_int_reg( context, (pc[1] & 7) + (rex & 1) * 8 ) + *(LONG *)(pc + 2);
|
|
|
|
pc += 2 + sizeof(LONG);
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
case 0xc2: /* ret $nn */
|
|
|
|
context->Rip = *(ULONG64 *)context->Rsp;
|
|
|
|
context->Rsp += sizeof(ULONG64) + *(WORD *)(pc + 1);
|
|
|
|
return;
|
|
|
|
case 0xc3: /* ret */
|
2012-03-12 18:59:45 +01:00
|
|
|
case 0xf3: /* rep; ret */
|
2009-05-20 12:31:28 +02:00
|
|
|
context->Rip = *(ULONG64 *)context->Rsp;
|
|
|
|
context->Rsp += sizeof(ULONG64);
|
|
|
|
return;
|
2012-03-12 19:18:37 +01:00
|
|
|
case 0xe9: /* jmp nnnn */
|
|
|
|
pc += 5 + *(LONG *)(pc + 1);
|
|
|
|
continue;
|
|
|
|
case 0xeb: /* jmp n */
|
|
|
|
pc += 2 + (signed char)pc[1];
|
|
|
|
continue;
|
2009-05-20 12:31:28 +02:00
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-12-08 19:29:06 +01:00
|
|
|
/**********************************************************************
|
|
|
|
* RtlVirtualUnwind (NTDLL.@)
|
|
|
|
*/
|
2009-05-15 20:18:59 +02:00
|
|
|
PVOID WINAPI RtlVirtualUnwind( ULONG type, ULONG64 base, ULONG64 pc,
|
|
|
|
RUNTIME_FUNCTION *function, CONTEXT *context,
|
|
|
|
PVOID *data, ULONG64 *frame_ret,
|
|
|
|
KNONVOLATILE_CONTEXT_POINTERS *ctx_ptr )
|
2008-12-08 19:29:06 +01:00
|
|
|
{
|
2009-05-15 20:18:59 +02:00
|
|
|
union handler_data *handler_data;
|
|
|
|
ULONG64 frame, off;
|
|
|
|
struct UNWIND_INFO *info;
|
|
|
|
unsigned int i, prolog_offset;
|
|
|
|
|
|
|
|
TRACE( "type %x rip %lx rsp %lx\n", type, pc, context->Rsp );
|
2009-05-22 11:52:13 +02:00
|
|
|
if (TRACE_ON(seh)) dump_unwind_info( base, function );
|
2009-05-15 20:18:59 +02:00
|
|
|
|
2009-05-20 13:33:32 +02:00
|
|
|
frame = *frame_ret = context->Rsp;
|
2009-05-15 20:18:59 +02:00
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
info = (struct UNWIND_INFO *)((char *)base + function->UnwindData);
|
|
|
|
handler_data = (union handler_data *)&info->opcodes[(info->count + 1) & ~1];
|
|
|
|
|
|
|
|
if (info->version != 1)
|
|
|
|
{
|
|
|
|
FIXME( "unknown unwind info version %u at %p\n", info->version, info );
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (info->frame_reg)
|
|
|
|
frame = get_int_reg( context, info->frame_reg ) - info->frame_offset * 16;
|
|
|
|
|
|
|
|
/* check if in prolog */
|
|
|
|
if (pc >= base + function->BeginAddress && pc < base + function->BeginAddress + info->prolog)
|
|
|
|
{
|
|
|
|
prolog_offset = pc - base - function->BeginAddress;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
prolog_offset = ~0;
|
2012-03-12 19:18:37 +01:00
|
|
|
if (is_inside_epilog( (BYTE *)pc, base, function ))
|
2009-05-20 12:31:28 +02:00
|
|
|
{
|
|
|
|
interpret_epilog( (BYTE *)pc, context, ctx_ptr );
|
|
|
|
*frame_ret = frame;
|
|
|
|
return NULL;
|
|
|
|
}
|
2009-05-15 20:18:59 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < info->count; i += get_opcode_size(info->opcodes[i]))
|
|
|
|
{
|
|
|
|
if (prolog_offset < info->opcodes[i].offset) continue; /* skip it */
|
|
|
|
|
|
|
|
switch (info->opcodes[i].code)
|
|
|
|
{
|
|
|
|
case UWOP_PUSH_NONVOL: /* pushq %reg */
|
2016-08-06 13:58:19 +02:00
|
|
|
set_int_reg( context, ctx_ptr, info->opcodes[i].info, (ULONG64 *)context->Rsp );
|
2009-05-15 20:18:59 +02:00
|
|
|
context->Rsp += sizeof(ULONG64);
|
|
|
|
break;
|
|
|
|
case UWOP_ALLOC_LARGE: /* subq $nn,%rsp */
|
|
|
|
if (info->opcodes[i].info) context->Rsp += *(DWORD *)&info->opcodes[i+1];
|
|
|
|
else context->Rsp += *(USHORT *)&info->opcodes[i+1] * 8;
|
|
|
|
break;
|
|
|
|
case UWOP_ALLOC_SMALL: /* subq $n,%rsp */
|
|
|
|
context->Rsp += (info->opcodes[i].info + 1) * 8;
|
|
|
|
break;
|
|
|
|
case UWOP_SET_FPREG: /* leaq nn(%rsp),%framereg */
|
2009-05-20 13:33:32 +02:00
|
|
|
context->Rsp = *frame_ret = frame;
|
2009-05-15 20:18:59 +02:00
|
|
|
break;
|
|
|
|
case UWOP_SAVE_NONVOL: /* movq %reg,n(%rsp) */
|
|
|
|
off = frame + *(USHORT *)&info->opcodes[i+1] * 8;
|
2016-08-06 13:58:19 +02:00
|
|
|
set_int_reg( context, ctx_ptr, info->opcodes[i].info, (ULONG64 *)off );
|
2009-05-15 20:18:59 +02:00
|
|
|
break;
|
|
|
|
case UWOP_SAVE_NONVOL_FAR: /* movq %reg,nn(%rsp) */
|
|
|
|
off = frame + *(DWORD *)&info->opcodes[i+1];
|
2016-08-06 13:58:19 +02:00
|
|
|
set_int_reg( context, ctx_ptr, info->opcodes[i].info, (ULONG64 *)off );
|
2009-05-15 20:18:59 +02:00
|
|
|
break;
|
|
|
|
case UWOP_SAVE_XMM128: /* movaps %xmmreg,n(%rsp) */
|
|
|
|
off = frame + *(USHORT *)&info->opcodes[i+1] * 16;
|
2016-08-06 13:58:19 +02:00
|
|
|
set_float_reg( context, ctx_ptr, info->opcodes[i].info, (M128A *)off );
|
2009-05-15 20:18:59 +02:00
|
|
|
break;
|
|
|
|
case UWOP_SAVE_XMM128_FAR: /* movaps %xmmreg,nn(%rsp) */
|
|
|
|
off = frame + *(DWORD *)&info->opcodes[i+1];
|
2016-08-06 13:58:19 +02:00
|
|
|
set_float_reg( context, ctx_ptr, info->opcodes[i].info, (M128A *)off );
|
2009-05-15 20:18:59 +02:00
|
|
|
break;
|
|
|
|
case UWOP_PUSH_MACHFRAME:
|
|
|
|
FIXME( "PUSH_MACHFRAME %u\n", info->opcodes[i].info );
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME( "unknown code %u\n", info->opcodes[i].code );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(info->flags & UNW_FLAG_CHAININFO)) break;
|
|
|
|
function = &handler_data->chain; /* restart with the chained info */
|
|
|
|
}
|
|
|
|
|
|
|
|
/* now pop return address */
|
|
|
|
context->Rip = *(ULONG64 *)context->Rsp;
|
|
|
|
context->Rsp += sizeof(ULONG64);
|
|
|
|
|
|
|
|
if (!(info->flags & type)) return NULL; /* no matching handler */
|
|
|
|
if (prolog_offset != ~0) return NULL; /* inside prolog */
|
|
|
|
|
|
|
|
*data = &handler_data->handler + 1;
|
|
|
|
return (char *)base + handler_data->handler;
|
2008-12-08 19:29:06 +01:00
|
|
|
}
|
|
|
|
|
2016-08-17 12:48:00 +02:00
|
|
|
struct unwind_exception_frame
|
|
|
|
{
|
|
|
|
EXCEPTION_REGISTRATION_RECORD frame;
|
|
|
|
DISPATCHER_CONTEXT *dispatch;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* unwind_exception_handler
|
|
|
|
*
|
|
|
|
* Handler for exceptions happening while calling an unwind handler.
|
|
|
|
*/
|
|
|
|
static DWORD unwind_exception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
|
|
|
|
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
|
|
|
|
{
|
|
|
|
struct unwind_exception_frame *unwind_frame = (struct unwind_exception_frame *)frame;
|
|
|
|
DISPATCHER_CONTEXT *dispatch = (DISPATCHER_CONTEXT *)dispatcher;
|
|
|
|
|
|
|
|
/* copy the original dispatcher into the current one, except for the TargetIp */
|
|
|
|
dispatch->ControlPc = unwind_frame->dispatch->ControlPc;
|
|
|
|
dispatch->ImageBase = unwind_frame->dispatch->ImageBase;
|
|
|
|
dispatch->FunctionEntry = unwind_frame->dispatch->FunctionEntry;
|
|
|
|
dispatch->EstablisherFrame = unwind_frame->dispatch->EstablisherFrame;
|
|
|
|
dispatch->ContextRecord = unwind_frame->dispatch->ContextRecord;
|
|
|
|
dispatch->LanguageHandler = unwind_frame->dispatch->LanguageHandler;
|
|
|
|
dispatch->HandlerData = unwind_frame->dispatch->HandlerData;
|
|
|
|
dispatch->HistoryTable = unwind_frame->dispatch->HistoryTable;
|
|
|
|
dispatch->ScopeIndex = unwind_frame->dispatch->ScopeIndex;
|
|
|
|
TRACE( "detected collided unwind\n" );
|
|
|
|
return ExceptionCollidedUnwind;
|
|
|
|
}
|
2008-12-08 19:29:06 +01:00
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_unwind_handler
|
|
|
|
*
|
|
|
|
* Call a single unwind handler.
|
|
|
|
*/
|
2016-08-17 12:48:00 +02:00
|
|
|
static DWORD call_unwind_handler( EXCEPTION_RECORD *rec, DISPATCHER_CONTEXT *dispatch )
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
2016-08-17 12:48:00 +02:00
|
|
|
struct unwind_exception_frame frame;
|
2009-06-17 19:35:11 +02:00
|
|
|
DWORD res;
|
|
|
|
|
2016-08-17 12:48:00 +02:00
|
|
|
frame.frame.Handler = unwind_exception_handler;
|
|
|
|
frame.dispatch = dispatch;
|
|
|
|
__wine_push_frame( &frame.frame );
|
2009-06-17 19:35:11 +02:00
|
|
|
|
|
|
|
TRACE( "calling handler %p (rec=%p, frame=0x%lx context=%p, dispatch=%p)\n",
|
|
|
|
dispatch->LanguageHandler, rec, dispatch->EstablisherFrame, dispatch->ContextRecord, dispatch );
|
|
|
|
res = dispatch->LanguageHandler( rec, dispatch->EstablisherFrame, dispatch->ContextRecord, dispatch );
|
|
|
|
TRACE( "handler %p returned %x\n", dispatch->LanguageHandler, res );
|
|
|
|
|
2016-08-17 12:48:00 +02:00
|
|
|
__wine_pop_frame( &frame.frame );
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
switch (res)
|
|
|
|
{
|
|
|
|
case ExceptionContinueSearch:
|
|
|
|
case ExceptionCollidedUnwind:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
raise_status( STATUS_INVALID_DISPOSITION, rec );
|
|
|
|
break;
|
|
|
|
}
|
2016-08-17 12:48:00 +02:00
|
|
|
|
|
|
|
return res;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-17 19:39:41 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_teb_unwind_handler
|
|
|
|
*
|
|
|
|
* Call a single unwind handler from the TEB chain.
|
|
|
|
*/
|
2016-08-17 12:48:00 +02:00
|
|
|
static DWORD call_teb_unwind_handler( EXCEPTION_RECORD *rec, DISPATCHER_CONTEXT *dispatch,
|
2009-06-17 19:39:41 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD *teb_frame )
|
|
|
|
{
|
|
|
|
DWORD res;
|
|
|
|
|
2016-08-17 12:48:00 +02:00
|
|
|
TRACE( "calling TEB handler %p (rec=%p, frame=%p context=%p, dispatch=%p)\n",
|
|
|
|
teb_frame->Handler, rec, teb_frame, dispatch->ContextRecord, dispatch );
|
|
|
|
res = teb_frame->Handler( rec, teb_frame, dispatch->ContextRecord, (EXCEPTION_REGISTRATION_RECORD**)dispatch );
|
2009-06-17 19:39:41 +02:00
|
|
|
TRACE( "handler at %p returned %u\n", teb_frame->Handler, res );
|
|
|
|
|
|
|
|
switch (res)
|
|
|
|
{
|
|
|
|
case ExceptionContinueSearch:
|
|
|
|
case ExceptionCollidedUnwind:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
raise_status( STATUS_INVALID_DISPOSITION, rec );
|
|
|
|
break;
|
|
|
|
}
|
2016-08-17 12:48:00 +02:00
|
|
|
|
|
|
|
return res;
|
2009-06-17 19:39:41 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2015-10-20 05:53:46 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* call_consolidate_callback
|
|
|
|
*
|
|
|
|
* Wrapper function to call a consolidate callback from a fake frame.
|
|
|
|
* If the callback executes RtlUnwindEx (like for example done in C++ handlers),
|
|
|
|
* we have to skip all frames which were already processed. To do that we
|
|
|
|
* trick the unwinding functions into thinking the call came from somewhere
|
|
|
|
* else. All CFI instructions are either DW_CFA_def_cfa_expression or
|
|
|
|
* DW_CFA_expression, and the expressions have the following format:
|
|
|
|
*
|
|
|
|
* DW_OP_breg6; sleb128 0x10 | Load %rbp + 0x10
|
|
|
|
* DW_OP_deref | Get *(%rbp + 0x10) == context
|
|
|
|
* DW_OP_plus_uconst; uleb128 <OFFSET> | Add offset to get struct member
|
|
|
|
* [DW_OP_deref] | Dereference, only for CFA
|
|
|
|
*/
|
|
|
|
extern void * WINAPI call_consolidate_callback( CONTEXT *context,
|
|
|
|
void *(CALLBACK *callback)(EXCEPTION_RECORD *),
|
|
|
|
EXCEPTION_RECORD *rec );
|
|
|
|
__ASM_GLOBAL_FUNC( call_consolidate_callback,
|
|
|
|
"pushq %rbp\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
|
|
|
|
"movq %rsp,%rbp\n\t"
|
|
|
|
__ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
|
|
|
|
"subq $0x20,%rsp\n\t"
|
|
|
|
"movq %rcx,0x10(%rbp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_remember_state\n\t")
|
|
|
|
__ASM_CFI(".cfi_escape 0x0f,0x07,0x76,0x10,0x06,0x23,0x98,0x01,0x06\n\t") /* CFA */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x03,0x06,0x76,0x10,0x06,0x23,0x90,0x01\n\t") /* %rbx */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x04,0x06,0x76,0x10,0x06,0x23,0xa8,0x01\n\t") /* %rsi */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x05,0x06,0x76,0x10,0x06,0x23,0xb0,0x01\n\t") /* %rdi */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x06,0x06,0x76,0x10,0x06,0x23,0xa0,0x01\n\t") /* %rbp */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x0c,0x06,0x76,0x10,0x06,0x23,0xd8,0x01\n\t") /* %r12 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x0d,0x06,0x76,0x10,0x06,0x23,0xe0,0x01\n\t") /* %r13 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x0e,0x06,0x76,0x10,0x06,0x23,0xe8,0x01\n\t") /* %r14 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x0f,0x06,0x76,0x10,0x06,0x23,0xf0,0x01\n\t") /* %r15 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x10,0x06,0x76,0x10,0x06,0x23,0xf8,0x01\n\t") /* %rip */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x17,0x06,0x76,0x10,0x06,0x23,0x80,0x04\n\t") /* %xmm6 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x18,0x06,0x76,0x10,0x06,0x23,0x90,0x04\n\t") /* %xmm7 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x19,0x06,0x76,0x10,0x06,0x23,0xa0,0x04\n\t") /* %xmm8 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1a,0x06,0x76,0x10,0x06,0x23,0xb0,0x04\n\t") /* %xmm9 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1b,0x06,0x76,0x10,0x06,0x23,0xc0,0x04\n\t") /* %xmm10 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1c,0x06,0x76,0x10,0x06,0x23,0xd0,0x04\n\t") /* %xmm11 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1d,0x06,0x76,0x10,0x06,0x23,0xe0,0x04\n\t") /* %xmm12 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1e,0x06,0x76,0x10,0x06,0x23,0xf0,0x04\n\t") /* %xmm13 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x1f,0x06,0x76,0x10,0x06,0x23,0x80,0x05\n\t") /* %xmm14 */
|
|
|
|
__ASM_CFI(".cfi_escape 0x10,0x20,0x06,0x76,0x10,0x06,0x23,0x90,0x05\n\t") /* %xmm15 */
|
|
|
|
"movq %r8,%rcx\n\t"
|
|
|
|
"callq *%rdx\n\t"
|
|
|
|
__ASM_CFI(".cfi_restore_state\n\t")
|
|
|
|
"movq %rbp,%rsp\n\t"
|
|
|
|
__ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
|
|
|
|
"popq %rbp\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
|
|
|
|
__ASM_CFI(".cfi_same_value %rbp\n\t")
|
|
|
|
"ret")
|
|
|
|
|
2016-07-05 16:24:33 +02:00
|
|
|
/*******************************************************************
|
|
|
|
* RtlRestoreContext (NTDLL.@)
|
|
|
|
*/
|
|
|
|
void WINAPI RtlRestoreContext( CONTEXT *context, EXCEPTION_RECORD *rec )
|
|
|
|
{
|
2016-08-18 17:43:36 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD *teb_frame = NtCurrentTeb()->Tib.ExceptionList;
|
|
|
|
|
2016-07-05 16:24:33 +02:00
|
|
|
if (rec && rec->ExceptionCode == STATUS_LONGJUMP && rec->NumberParameters >= 1)
|
|
|
|
{
|
|
|
|
struct MSVCRT_JUMP_BUFFER *jmp = (struct MSVCRT_JUMP_BUFFER *)rec->ExceptionInformation[0];
|
|
|
|
context->Rbx = jmp->Rbx;
|
|
|
|
context->Rsp = jmp->Rsp;
|
|
|
|
context->Rbp = jmp->Rbp;
|
|
|
|
context->Rsi = jmp->Rsi;
|
|
|
|
context->Rdi = jmp->Rdi;
|
|
|
|
context->R12 = jmp->R12;
|
|
|
|
context->R13 = jmp->R13;
|
|
|
|
context->R14 = jmp->R14;
|
|
|
|
context->R15 = jmp->R15;
|
2016-08-01 23:52:32 +02:00
|
|
|
context->Rip = jmp->Rip;
|
2016-07-05 16:24:33 +02:00
|
|
|
context->u.s.Xmm6 = jmp->Xmm6;
|
|
|
|
context->u.s.Xmm7 = jmp->Xmm7;
|
|
|
|
context->u.s.Xmm8 = jmp->Xmm8;
|
|
|
|
context->u.s.Xmm9 = jmp->Xmm9;
|
|
|
|
context->u.s.Xmm10 = jmp->Xmm10;
|
|
|
|
context->u.s.Xmm11 = jmp->Xmm11;
|
|
|
|
context->u.s.Xmm12 = jmp->Xmm12;
|
|
|
|
context->u.s.Xmm13 = jmp->Xmm13;
|
|
|
|
context->u.s.Xmm14 = jmp->Xmm14;
|
|
|
|
context->u.s.Xmm15 = jmp->Xmm15;
|
|
|
|
}
|
|
|
|
else if (rec && rec->ExceptionCode == STATUS_UNWIND_CONSOLIDATE && rec->NumberParameters >= 1)
|
|
|
|
{
|
|
|
|
PVOID (CALLBACK *consolidate)(EXCEPTION_RECORD *) = (void *)rec->ExceptionInformation[0];
|
|
|
|
TRACE( "calling consolidate callback %p (rec=%p)\n", consolidate, rec );
|
|
|
|
context->Rip = (ULONG64)call_consolidate_callback( context, consolidate, rec );
|
|
|
|
}
|
2016-08-18 17:43:36 +02:00
|
|
|
|
|
|
|
/* hack: remove no longer accessible TEB frames */
|
|
|
|
while ((ULONG64)teb_frame < context->Rsp)
|
|
|
|
{
|
|
|
|
TRACE( "removing TEB frame: %p\n", teb_frame );
|
|
|
|
teb_frame = __wine_pop_frame( teb_frame );
|
|
|
|
}
|
|
|
|
|
2016-07-05 16:24:33 +02:00
|
|
|
TRACE( "returning to %lx stack %lx\n", context->Rip, context->Rsp );
|
|
|
|
set_cpu_context( context );
|
|
|
|
}
|
|
|
|
|
2015-10-20 05:53:46 +02:00
|
|
|
|
2009-04-30 13:08:32 +02:00
|
|
|
/*******************************************************************
|
2009-05-15 20:18:33 +02:00
|
|
|
* RtlUnwindEx (NTDLL.@)
|
2009-04-30 13:08:32 +02:00
|
|
|
*/
|
2011-01-26 21:30:42 +01:00
|
|
|
void WINAPI RtlUnwindEx( PVOID end_frame, PVOID target_ip, EXCEPTION_RECORD *rec,
|
2012-03-12 11:08:10 +01:00
|
|
|
PVOID retval, CONTEXT *context, UNWIND_HISTORY_TABLE *table )
|
2009-04-30 13:08:32 +02:00
|
|
|
{
|
2009-06-17 19:39:41 +02:00
|
|
|
EXCEPTION_REGISTRATION_RECORD *teb_frame = NtCurrentTeb()->Tib.ExceptionList;
|
2009-04-30 13:08:32 +02:00
|
|
|
EXCEPTION_RECORD record;
|
2009-05-22 12:47:15 +02:00
|
|
|
DISPATCHER_CONTEXT dispatch;
|
2012-03-12 11:08:10 +01:00
|
|
|
CONTEXT new_context;
|
2009-05-22 12:47:15 +02:00
|
|
|
LDR_MODULE *module;
|
2009-06-17 19:35:11 +02:00
|
|
|
NTSTATUS status;
|
2014-04-04 10:11:56 +02:00
|
|
|
DWORD i;
|
2009-04-30 13:08:32 +02:00
|
|
|
|
2012-03-12 11:08:10 +01:00
|
|
|
RtlCaptureContext( context );
|
|
|
|
new_context = *context;
|
2011-01-27 11:51:34 +01:00
|
|
|
|
2009-04-30 13:08:32 +02:00
|
|
|
/* build an exception record, if we do not have one */
|
2009-05-15 20:18:33 +02:00
|
|
|
if (!rec)
|
2009-04-30 13:08:32 +02:00
|
|
|
{
|
|
|
|
record.ExceptionCode = STATUS_UNWIND;
|
|
|
|
record.ExceptionFlags = 0;
|
|
|
|
record.ExceptionRecord = NULL;
|
2012-03-12 11:08:10 +01:00
|
|
|
record.ExceptionAddress = (void *)context->Rip;
|
2009-04-30 13:08:32 +02:00
|
|
|
record.NumberParameters = 0;
|
2009-05-15 20:18:33 +02:00
|
|
|
rec = &record;
|
2009-04-30 13:08:32 +02:00
|
|
|
}
|
|
|
|
|
2009-05-22 12:47:15 +02:00
|
|
|
rec->ExceptionFlags |= EH_UNWINDING | (end_frame ? 0 : EH_EXIT_UNWIND);
|
|
|
|
|
2011-01-26 21:30:42 +01:00
|
|
|
TRACE( "code=%x flags=%x end_frame=%p target_ip=%p rip=%016lx\n",
|
2012-03-12 11:08:10 +01:00
|
|
|
rec->ExceptionCode, rec->ExceptionFlags, end_frame, target_ip, context->Rip );
|
2012-03-12 11:27:00 +01:00
|
|
|
for (i = 0; i < min( EXCEPTION_MAXIMUM_PARAMETERS, rec->NumberParameters ); i++)
|
|
|
|
TRACE( " info[%d]=%016lx\n", i, rec->ExceptionInformation[i] );
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE(" rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx\n",
|
2012-03-12 11:08:10 +01:00
|
|
|
context->Rax, context->Rbx, context->Rcx, context->Rdx );
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE(" rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
|
2012-03-12 11:08:10 +01:00
|
|
|
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE(" r8=%016lx r9=%016lx r10=%016lx r11=%016lx\n",
|
2012-03-12 11:08:10 +01:00
|
|
|
context->R8, context->R9, context->R10, context->R11 );
|
2009-06-17 19:35:11 +02:00
|
|
|
TRACE(" r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
|
2012-03-12 11:08:10 +01:00
|
|
|
context->R12, context->R13, context->R14, context->R15 );
|
2009-05-22 12:47:15 +02:00
|
|
|
|
2012-03-12 11:08:10 +01:00
|
|
|
dispatch.EstablisherFrame = context->Rsp;
|
2011-01-26 21:30:42 +01:00
|
|
|
dispatch.TargetIp = (ULONG64)target_ip;
|
2012-03-12 11:08:10 +01:00
|
|
|
dispatch.ContextRecord = context;
|
2009-06-17 19:35:11 +02:00
|
|
|
dispatch.HistoryTable = table;
|
|
|
|
|
2012-03-12 11:11:36 +01:00
|
|
|
for (;;)
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
|
|
|
/* FIXME: should use the history table to make things faster */
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
dispatch.ImageBase = 0;
|
2016-08-17 12:48:00 +02:00
|
|
|
dispatch.ScopeIndex = 0;
|
|
|
|
dispatch.ControlPc = context->Rip;
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2010-04-09 13:15:41 +02:00
|
|
|
/* first look for PE exception information */
|
|
|
|
|
2014-04-04 10:11:56 +02:00
|
|
|
if ((dispatch.FunctionEntry = lookup_function_info( context->Rip, &dispatch.ImageBase, &module )))
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
2014-04-04 10:11:56 +02:00
|
|
|
dispatch.LanguageHandler = RtlVirtualUnwind( UNW_FLAG_UHANDLER, dispatch.ImageBase,
|
|
|
|
context->Rip, dispatch.FunctionEntry,
|
|
|
|
&new_context, &dispatch.HandlerData,
|
|
|
|
&dispatch.EstablisherFrame, NULL );
|
|
|
|
goto unwind_done;
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2010-04-09 13:15:41 +02:00
|
|
|
/* then look for host system exception information */
|
|
|
|
|
|
|
|
if (!module || (module->Flags & LDR_WINE_INTERNAL))
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
2015-06-05 07:41:24 +02:00
|
|
|
BOOL got_info = FALSE;
|
2009-06-17 19:35:11 +02:00
|
|
|
struct dwarf_eh_bases bases;
|
2012-03-12 11:08:10 +01:00
|
|
|
const struct dwarf_fde *fde = _Unwind_Find_FDE( (void *)(context->Rip - 1), &bases );
|
2010-04-09 13:15:41 +02:00
|
|
|
|
|
|
|
if (fde)
|
2009-06-17 19:35:11 +02:00
|
|
|
{
|
2012-03-12 11:08:10 +01:00
|
|
|
status = dwarf_virtual_unwind( context->Rip, &dispatch.EstablisherFrame, &new_context, fde,
|
2010-04-09 13:15:41 +02:00
|
|
|
&bases, &dispatch.LanguageHandler, &dispatch.HandlerData );
|
|
|
|
if (status != STATUS_SUCCESS) raise_status( status, rec );
|
2015-06-05 07:41:24 +02:00
|
|
|
got_info = TRUE;
|
|
|
|
}
|
2015-08-07 11:52:58 +02:00
|
|
|
#ifdef HAVE_LIBUNWIND_H
|
2015-06-05 07:41:24 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
status = libunwind_virtual_unwind( context->Rip, &got_info, &dispatch.EstablisherFrame, &new_context,
|
|
|
|
&dispatch.LanguageHandler, &dispatch.HandlerData );
|
|
|
|
if (status != STATUS_SUCCESS) raise_status( status, rec );
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (got_info)
|
|
|
|
{
|
|
|
|
dispatch.FunctionEntry = NULL;
|
2010-04-09 13:15:41 +02:00
|
|
|
if (dispatch.LanguageHandler && !module)
|
|
|
|
{
|
|
|
|
FIXME( "calling personality routine in system library not supported yet\n" );
|
|
|
|
dispatch.LanguageHandler = NULL;
|
|
|
|
}
|
|
|
|
goto unwind_done;
|
2009-06-17 19:35:11 +02:00
|
|
|
}
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
2014-04-04 10:11:56 +02:00
|
|
|
else WARN( "exception data not found in %s\n", debugstr_w(module->BaseDllName.Buffer) );
|
2009-05-22 12:47:15 +02:00
|
|
|
|
2010-04-09 13:15:41 +02:00
|
|
|
/* no exception information, treat as a leaf function */
|
|
|
|
|
2012-03-12 11:08:10 +01:00
|
|
|
new_context.Rip = *(ULONG64 *)context->Rsp;
|
|
|
|
new_context.Rsp = context->Rsp + sizeof(ULONG64);
|
2010-04-09 13:15:41 +02:00
|
|
|
dispatch.EstablisherFrame = new_context.Rsp;
|
|
|
|
dispatch.LanguageHandler = NULL;
|
|
|
|
|
|
|
|
unwind_done:
|
2009-06-17 19:35:11 +02:00
|
|
|
if (!dispatch.EstablisherFrame) break;
|
2009-05-22 12:47:15 +02:00
|
|
|
|
2009-08-28 18:24:06 +02:00
|
|
|
if (is_inside_signal_stack( (void *)dispatch.EstablisherFrame ))
|
|
|
|
{
|
|
|
|
TRACE( "frame %lx is inside signal stack (%p-%p)\n", dispatch.EstablisherFrame,
|
|
|
|
get_signal_stack(), (char *)get_signal_stack() + signal_stack_size );
|
2012-03-12 11:08:10 +01:00
|
|
|
*context = new_context;
|
2009-08-28 18:24:06 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
if ((dispatch.EstablisherFrame & 7) ||
|
|
|
|
dispatch.EstablisherFrame < (ULONG64)NtCurrentTeb()->Tib.StackLimit ||
|
|
|
|
dispatch.EstablisherFrame > (ULONG64)NtCurrentTeb()->Tib.StackBase)
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
2009-06-17 19:35:11 +02:00
|
|
|
ERR( "invalid frame %lx (%p-%p)\n", dispatch.EstablisherFrame,
|
|
|
|
NtCurrentTeb()->Tib.StackLimit, NtCurrentTeb()->Tib.StackBase );
|
|
|
|
rec->ExceptionFlags |= EH_STACK_INVALID;
|
|
|
|
break;
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
|
|
|
|
2009-06-17 19:35:11 +02:00
|
|
|
if (dispatch.LanguageHandler)
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
2011-01-26 21:30:42 +01:00
|
|
|
if (end_frame && (dispatch.EstablisherFrame > (ULONG64)end_frame))
|
2009-05-22 12:47:15 +02:00
|
|
|
{
|
2011-01-26 21:30:42 +01:00
|
|
|
ERR( "invalid end frame %lx/%p\n", dispatch.EstablisherFrame, end_frame );
|
2009-06-17 19:35:11 +02:00
|
|
|
raise_status( STATUS_INVALID_UNWIND_TARGET, rec );
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
2012-03-12 11:20:29 +01:00
|
|
|
if (dispatch.EstablisherFrame == (ULONG64)end_frame) rec->ExceptionFlags |= EH_TARGET_UNWIND;
|
2016-08-17 12:48:00 +02:00
|
|
|
if (call_unwind_handler( rec, &dispatch ) == ExceptionCollidedUnwind)
|
|
|
|
{
|
|
|
|
ULONG64 frame;
|
|
|
|
|
|
|
|
*context = new_context = *dispatch.ContextRecord;
|
|
|
|
dispatch.ContextRecord = context;
|
|
|
|
RtlVirtualUnwind( UNW_FLAG_NHANDLER, dispatch.ImageBase,
|
|
|
|
dispatch.ControlPc, dispatch.FunctionEntry,
|
|
|
|
&new_context, NULL, &frame, NULL );
|
|
|
|
rec->ExceptionFlags |= EH_COLLIDED_UNWIND;
|
|
|
|
goto unwind_done;
|
|
|
|
}
|
|
|
|
rec->ExceptionFlags &= ~EH_COLLIDED_UNWIND;
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
2009-06-17 19:39:41 +02:00
|
|
|
else /* hack: call builtin handlers registered in the tib list */
|
|
|
|
{
|
2015-01-25 15:46:05 +01:00
|
|
|
DWORD64 backup_frame = dispatch.EstablisherFrame;
|
2011-01-26 21:30:42 +01:00
|
|
|
while ((ULONG64)teb_frame < new_context.Rsp && (ULONG64)teb_frame < (ULONG64)end_frame)
|
2009-06-17 19:39:41 +02:00
|
|
|
{
|
|
|
|
TRACE( "found builtin frame %p handler %p\n", teb_frame, teb_frame->Handler );
|
|
|
|
dispatch.EstablisherFrame = (ULONG64)teb_frame;
|
2016-08-17 12:48:00 +02:00
|
|
|
if (call_teb_unwind_handler( rec, &dispatch, teb_frame ) == ExceptionCollidedUnwind)
|
|
|
|
{
|
|
|
|
ULONG64 frame;
|
|
|
|
|
|
|
|
teb_frame = __wine_pop_frame( teb_frame );
|
|
|
|
|
|
|
|
*context = new_context = *dispatch.ContextRecord;
|
|
|
|
dispatch.ContextRecord = context;
|
|
|
|
RtlVirtualUnwind( UNW_FLAG_NHANDLER, dispatch.ImageBase,
|
|
|
|
dispatch.ControlPc, dispatch.FunctionEntry,
|
|
|
|
&new_context, NULL, &frame, NULL );
|
|
|
|
rec->ExceptionFlags |= EH_COLLIDED_UNWIND;
|
|
|
|
goto unwind_done;
|
|
|
|
}
|
2009-06-17 19:39:41 +02:00
|
|
|
teb_frame = __wine_pop_frame( teb_frame );
|
|
|
|
}
|
2011-01-26 21:30:42 +01:00
|
|
|
if ((ULONG64)teb_frame == (ULONG64)end_frame && (ULONG64)end_frame < new_context.Rsp) break;
|
2015-01-25 15:46:05 +01:00
|
|
|
dispatch.EstablisherFrame = backup_frame;
|
2009-06-17 19:39:41 +02:00
|
|
|
}
|
2009-06-17 19:35:11 +02:00
|
|
|
|
2015-01-25 15:46:05 +01:00
|
|
|
if (dispatch.EstablisherFrame == (ULONG64)end_frame) break;
|
2012-03-12 11:08:10 +01:00
|
|
|
*context = new_context;
|
2009-05-22 12:47:15 +02:00
|
|
|
}
|
2011-02-01 16:34:04 +01:00
|
|
|
|
2012-03-12 11:08:10 +01:00
|
|
|
context->Rax = (ULONG64)retval;
|
|
|
|
context->Rip = (ULONG64)target_ip;
|
2016-07-05 16:24:33 +02:00
|
|
|
RtlRestoreContext(context, rec);
|
2009-04-30 13:08:32 +02:00
|
|
|
}
|
2009-05-15 20:18:33 +02:00
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************
|
|
|
|
* RtlUnwind (NTDLL.@)
|
|
|
|
*/
|
2011-01-27 11:51:34 +01:00
|
|
|
void WINAPI RtlUnwind( void *frame, void *target_ip, EXCEPTION_RECORD *rec, void *retval )
|
2009-05-15 20:18:33 +02:00
|
|
|
{
|
2011-01-27 11:51:34 +01:00
|
|
|
CONTEXT context;
|
|
|
|
RtlUnwindEx( frame, target_ip, rec, retval, &context, NULL );
|
2009-05-15 20:18:33 +02:00
|
|
|
}
|
2009-04-30 13:08:32 +02:00
|
|
|
|
|
|
|
|
2012-05-29 21:30:29 +02:00
|
|
|
/*******************************************************************
|
|
|
|
* _local_unwind (NTDLL.@)
|
|
|
|
*/
|
|
|
|
void WINAPI _local_unwind( void *frame, void *target_ip )
|
|
|
|
{
|
|
|
|
CONTEXT context;
|
|
|
|
RtlUnwindEx( frame, target_ip, NULL, NULL, &context, NULL );
|
|
|
|
}
|
|
|
|
|
2009-05-22 12:00:43 +02:00
|
|
|
/*******************************************************************
|
|
|
|
* __C_specific_handler (NTDLL.@)
|
|
|
|
*/
|
|
|
|
EXCEPTION_DISPOSITION WINAPI __C_specific_handler( EXCEPTION_RECORD *rec,
|
|
|
|
ULONG64 frame,
|
|
|
|
CONTEXT *context,
|
|
|
|
struct _DISPATCHER_CONTEXT *dispatch )
|
|
|
|
{
|
|
|
|
SCOPE_TABLE *table = dispatch->HandlerData;
|
|
|
|
ULONG i;
|
|
|
|
|
|
|
|
TRACE( "%p %lx %p %p\n", rec, frame, context, dispatch );
|
|
|
|
if (TRACE_ON(seh)) dump_scope_table( dispatch->ImageBase, table );
|
|
|
|
|
2016-08-03 08:52:12 +02:00
|
|
|
if (rec->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
|
|
|
|
{
|
2016-08-17 12:48:13 +02:00
|
|
|
for (i = dispatch->ScopeIndex; i < table->Count; i++)
|
2016-08-03 08:52:12 +02:00
|
|
|
{
|
2016-08-17 12:48:13 +02:00
|
|
|
if (dispatch->ControlPc >= dispatch->ImageBase + table->ScopeRecord[i].BeginAddress &&
|
|
|
|
dispatch->ControlPc < dispatch->ImageBase + table->ScopeRecord[i].EndAddress)
|
2016-08-03 08:52:12 +02:00
|
|
|
{
|
|
|
|
TERMINATION_HANDLER handler;
|
|
|
|
|
|
|
|
if (table->ScopeRecord[i].JumpTarget) continue;
|
|
|
|
|
|
|
|
if (rec->ExceptionFlags & EH_TARGET_UNWIND &&
|
|
|
|
dispatch->TargetIp >= dispatch->ImageBase + table->ScopeRecord[i].BeginAddress &&
|
|
|
|
dispatch->TargetIp < dispatch->ImageBase + table->ScopeRecord[i].EndAddress)
|
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
handler = (TERMINATION_HANDLER)(dispatch->ImageBase + table->ScopeRecord[i].HandlerAddress);
|
2016-08-17 12:48:13 +02:00
|
|
|
dispatch->ScopeIndex = i+1;
|
2016-08-03 08:52:12 +02:00
|
|
|
|
|
|
|
TRACE( "calling __finally %p frame %lx\n", handler, frame );
|
|
|
|
handler( 1, frame );
|
|
|
|
}
|
|
|
|
}
|
2009-05-22 12:00:43 +02:00
|
|
|
return ExceptionContinueSearch;
|
2016-08-03 08:52:12 +02:00
|
|
|
}
|
2009-05-22 12:00:43 +02:00
|
|
|
|
2016-08-17 12:48:13 +02:00
|
|
|
for (i = dispatch->ScopeIndex; i < table->Count; i++)
|
2009-05-22 12:00:43 +02:00
|
|
|
{
|
2016-08-17 12:48:13 +02:00
|
|
|
if (dispatch->ControlPc >= dispatch->ImageBase + table->ScopeRecord[i].BeginAddress &&
|
|
|
|
dispatch->ControlPc < dispatch->ImageBase + table->ScopeRecord[i].EndAddress)
|
2009-05-22 12:00:43 +02:00
|
|
|
{
|
|
|
|
if (!table->ScopeRecord[i].JumpTarget) continue;
|
|
|
|
if (table->ScopeRecord[i].HandlerAddress != EXCEPTION_EXECUTE_HANDLER)
|
|
|
|
{
|
|
|
|
EXCEPTION_POINTERS ptrs;
|
|
|
|
PC_LANGUAGE_EXCEPTION_HANDLER filter;
|
|
|
|
|
|
|
|
filter = (PC_LANGUAGE_EXCEPTION_HANDLER)(dispatch->ImageBase + table->ScopeRecord[i].HandlerAddress);
|
|
|
|
ptrs.ExceptionRecord = rec;
|
|
|
|
ptrs.ContextRecord = context;
|
|
|
|
TRACE( "calling filter %p ptrs %p frame %lx\n", filter, &ptrs, frame );
|
|
|
|
switch (filter( &ptrs, frame ))
|
|
|
|
{
|
|
|
|
case EXCEPTION_EXECUTE_HANDLER:
|
|
|
|
break;
|
|
|
|
case EXCEPTION_CONTINUE_SEARCH:
|
|
|
|
continue;
|
|
|
|
case EXCEPTION_CONTINUE_EXECUTION:
|
|
|
|
return ExceptionContinueExecution;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
TRACE( "unwinding to target %lx\n", dispatch->ImageBase + table->ScopeRecord[i].JumpTarget );
|
2011-01-26 21:30:42 +01:00
|
|
|
RtlUnwindEx( (void *)frame, (char *)dispatch->ImageBase + table->ScopeRecord[i].JumpTarget,
|
2016-08-17 12:48:13 +02:00
|
|
|
rec, 0, dispatch->ContextRecord, dispatch->HistoryTable );
|
2009-05-22 12:00:43 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return ExceptionContinueSearch;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-10 13:14:05 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* RtlRaiseException (NTDLL.@)
|
|
|
|
*/
|
2011-01-27 13:59:45 +01:00
|
|
|
__ASM_GLOBAL_FUNC( RtlRaiseException,
|
|
|
|
"movq %rcx,8(%rsp)\n\t"
|
|
|
|
"sub $0x4f8,%rsp\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 0x4f8\n\t")
|
|
|
|
"leaq 0x20(%rsp),%rcx\n\t"
|
|
|
|
"call " __ASM_NAME("RtlCaptureContext") "\n\t"
|
|
|
|
"leaq 0x20(%rsp),%rdx\n\t" /* context pointer */
|
|
|
|
"leaq 0x500(%rsp),%rax\n\t" /* orig stack pointer */
|
|
|
|
"movq %rax,0x98(%rdx)\n\t" /* context->Rsp */
|
|
|
|
"movq (%rax),%rcx\n\t" /* original first parameter */
|
|
|
|
"movq %rcx,0x80(%rdx)\n\t" /* context->Rcx */
|
2017-07-20 13:00:10 +02:00
|
|
|
"movq 0x4f8(%rsp),%rax\n\t" /* return address */
|
|
|
|
"movq %rax,0xf8(%rdx)\n\t" /* context->Rip */
|
|
|
|
"movq %rax,0x10(%rcx)\n\t" /* rec->ExceptionAddress */
|
|
|
|
"movl $1,%r8d\n\t"
|
|
|
|
"call " __ASM_NAME("NtRaiseException") "\n\t"
|
|
|
|
"movq %rax,%rcx\n\t"
|
|
|
|
"call " __ASM_NAME("RtlRaiseStatus") /* does not return */ );
|
2009-04-10 13:14:05 +02:00
|
|
|
|
|
|
|
|
2009-11-11 17:19:23 +01:00
|
|
|
/*************************************************************************
|
|
|
|
* RtlCaptureStackBackTrace (NTDLL.@)
|
|
|
|
*/
|
|
|
|
USHORT WINAPI RtlCaptureStackBackTrace( ULONG skip, ULONG count, PVOID *buffer, ULONG *hash )
|
|
|
|
{
|
|
|
|
FIXME( "(%d, %d, %p, %p) stub!\n", skip, count, buffer, hash );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-08-29 12:08:11 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* call_thread_func
|
|
|
|
*/
|
2017-12-01 19:20:22 +01:00
|
|
|
static void WINAPI call_thread_func( LPTHREAD_START_ROUTINE entry, void *arg )
|
2009-08-28 12:13:21 +02:00
|
|
|
{
|
2009-08-29 12:08:11 +02:00
|
|
|
__TRY
|
2009-08-28 12:13:21 +02:00
|
|
|
{
|
2017-12-01 19:20:22 +01:00
|
|
|
TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
|
2009-08-29 12:08:11 +02:00
|
|
|
RtlExitUserThread( entry( arg ));
|
2009-08-28 12:13:21 +02:00
|
|
|
}
|
2009-08-29 12:08:11 +02:00
|
|
|
__EXCEPT(unhandled_exception_filter)
|
2009-08-28 12:13:21 +02:00
|
|
|
{
|
2009-08-29 12:08:11 +02:00
|
|
|
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
|
2009-08-28 12:13:21 +02:00
|
|
|
}
|
2009-08-29 12:08:11 +02:00
|
|
|
__ENDTRY
|
|
|
|
abort(); /* should not be reached */
|
2009-08-28 12:13:21 +02:00
|
|
|
}
|
|
|
|
|
2017-12-01 19:20:22 +01:00
|
|
|
|
|
|
|
extern void DECLSPEC_NORETURN start_thread( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend,
|
|
|
|
void *relay, void *stack, void **exit_frame );
|
|
|
|
__ASM_GLOBAL_FUNC( start_thread,
|
2010-05-16 12:34:07 +02:00
|
|
|
"subq $56,%rsp\n\t"
|
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 56\n\t")
|
|
|
|
"movq %rbp,48(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbp,48\n\t")
|
|
|
|
"movq %rbx,40(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbx,40\n\t")
|
|
|
|
"movq %r12,32(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r12,32\n\t")
|
|
|
|
"movq %r13,24(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r13,24\n\t")
|
|
|
|
"movq %r14,16(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r14,16\n\t")
|
|
|
|
"movq %r15,8(%rsp)\n\t"
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r15,8\n\t")
|
2017-12-01 19:20:22 +01:00
|
|
|
/* store exit frame */
|
|
|
|
"movq %rsp,(%r9)\n\t"
|
|
|
|
/* build initial context on thread stack */
|
|
|
|
"leaq -0x500(%r8),%r10\n\t" /* sizeof(context) + 0x30 for function params */
|
|
|
|
"movq $0x001000b,0x30(%r10)\n\t" /* context->ContextFlags = CONTEXT_FULL */
|
|
|
|
"movw %cs,0x38(%r10)\n\t" /* context->SegCs */
|
|
|
|
"movw %ss,0x42(%r10)\n\t" /* context->SegSs */
|
|
|
|
"movq %rdi,0x80(%r10)\n\t" /* context->Rcx = entry */
|
|
|
|
"movq %rsi,0x88(%r10)\n\t" /* context->Rdx = arg */
|
|
|
|
"leaq -0x28(%r8),%rax\n\t"
|
|
|
|
"movq %rax,0x98(%r10)\n\t" /* context->Rsp */
|
|
|
|
"movq %rcx,0xf8(%r10)\n\t" /* context->Rip = relay */
|
|
|
|
"fxsave 0x100(%r10)\n\t" /* context->FtlSave */
|
2017-12-04 13:56:32 +01:00
|
|
|
/* switch to thread stack */
|
2017-12-01 19:20:22 +01:00
|
|
|
"movq %r10,%rsp\n\t"
|
2017-12-04 13:56:32 +01:00
|
|
|
/* attach dlls */
|
2017-12-01 19:20:22 +01:00
|
|
|
"movq %r10,%rdi\n\t" /* context */
|
|
|
|
"movq %rdx,%rsi\n\t" /* suspend */
|
2017-12-04 13:56:32 +01:00
|
|
|
"call " __ASM_NAME("attach_dlls") "\n\t"
|
|
|
|
/* clear the stack */
|
|
|
|
"leaq -0xb00(%rsp),%rdi\n\t" /* round down to page size */
|
|
|
|
"call " __ASM_NAME("virtual_clear_thread_stack") "\n\t"
|
|
|
|
/* switch to the initial context */
|
|
|
|
"movq %rsp,%rdi\n\t"
|
|
|
|
"call " __ASM_NAME("set_cpu_context") )
|
2009-08-28 12:13:21 +02:00
|
|
|
|
2009-08-29 12:08:11 +02:00
|
|
|
extern void DECLSPEC_NORETURN call_thread_exit_func( int status, void (*func)(int), void *frame );
|
|
|
|
__ASM_GLOBAL_FUNC( call_thread_exit_func,
|
|
|
|
"movq %rdx,%rsp\n\t"
|
2010-05-16 12:34:07 +02:00
|
|
|
__ASM_CFI(".cfi_adjust_cfa_offset 56\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbp,48\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %rbx,40\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r12,32\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r13,24\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r14,16\n\t")
|
|
|
|
__ASM_CFI(".cfi_rel_offset %r15,8\n\t")
|
2009-08-29 12:08:11 +02:00
|
|
|
"call *%rsi" );
|
2009-06-18 16:38:30 +02:00
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|
|
|
2017-12-01 19:20:22 +01:00
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* signal_start_thread
|
|
|
|
*
|
|
|
|
* Thread startup sequence:
|
|
|
|
* signal_start_thread()
|
|
|
|
* -> start_thread()
|
2017-12-04 13:56:32 +01:00
|
|
|
* -> call_thread_func()
|
2017-12-01 19:20:22 +01:00
|
|
|
*/
|
|
|
|
void signal_start_thread( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend )
|
|
|
|
{
|
|
|
|
start_thread( entry, arg, suspend, call_thread_func,
|
|
|
|
NtCurrentTeb()->Tib.StackBase, &amd64_thread_data()->exit_frame );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_start_process
|
|
|
|
*
|
|
|
|
* Process startup sequence:
|
|
|
|
* signal_start_process()
|
|
|
|
* -> start_thread()
|
2017-12-04 13:56:32 +01:00
|
|
|
* -> kernel32_start_process()
|
2017-12-01 19:20:22 +01:00
|
|
|
*/
|
|
|
|
void signal_start_process( LPTHREAD_START_ROUTINE entry, BOOL suspend )
|
|
|
|
{
|
2017-12-04 13:13:05 +01:00
|
|
|
start_thread( entry, NtCurrentTeb()->Peb, suspend, kernel32_start_process,
|
2017-12-01 19:20:22 +01:00
|
|
|
NtCurrentTeb()->Tib.StackBase, &amd64_thread_data()->exit_frame );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-18 16:50:34 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* RtlExitUserThread (NTDLL.@)
|
|
|
|
*/
|
|
|
|
void WINAPI RtlExitUserThread( ULONG status )
|
|
|
|
{
|
2017-07-19 15:14:24 +02:00
|
|
|
if (!amd64_thread_data()->exit_frame) exit_thread( status );
|
|
|
|
call_thread_exit_func( status, exit_thread, amd64_thread_data()->exit_frame );
|
2009-06-18 16:50:34 +02:00
|
|
|
}
|
|
|
|
|
2009-08-28 11:52:21 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* abort_thread
|
|
|
|
*/
|
|
|
|
void abort_thread( int status )
|
|
|
|
{
|
2017-07-19 15:14:24 +02:00
|
|
|
if (!amd64_thread_data()->exit_frame) terminate_thread( status );
|
|
|
|
call_thread_exit_func( status, terminate_thread, amd64_thread_data()->exit_frame );
|
2009-08-28 11:52:21 +02:00
|
|
|
}
|
2009-06-18 16:50:34 +02:00
|
|
|
|
2005-09-16 21:40:52 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* __wine_enter_vm86 (NTDLL.@)
|
|
|
|
*/
|
|
|
|
void __wine_enter_vm86( CONTEXT *context )
|
|
|
|
{
|
|
|
|
MESSAGE("vm86 mode not supported on this platform\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* DbgBreakPoint (NTDLL.@)
|
|
|
|
*/
|
2009-06-14 15:34:09 +02:00
|
|
|
__ASM_STDCALL_FUNC( DbgBreakPoint, 0, "int $3; ret")
|
2005-09-16 21:40:52 +02:00
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* DbgUserBreakPoint (NTDLL.@)
|
|
|
|
*/
|
2009-06-14 15:34:09 +02:00
|
|
|
__ASM_STDCALL_FUNC( DbgUserBreakPoint, 0, "int $3; ret")
|
2005-09-16 21:40:52 +02:00
|
|
|
|
|
|
|
#endif /* __x86_64__ */
|