937 lines
28 KiB
C
937 lines
28 KiB
C
/*
|
|
* Sparc signal handling routines
|
|
*
|
|
* Copyright 1999 Ulrich Weigand
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#ifdef __sparc__
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <assert.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <sys/ucontext.h>
|
|
|
|
#include "ntstatus.h"
|
|
#define WIN32_NO_STATUS
|
|
#include "windef.h"
|
|
#include "winternl.h"
|
|
#include "winnt.h"
|
|
|
|
#include "wine/exception.h"
|
|
#include "ntdll_misc.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(seh);
|
|
|
|
static pthread_key_t teb_key;
|
|
|
|
typedef int (*wine_signal_handler)(unsigned int sig);
|
|
|
|
static wine_signal_handler handlers[256];
|
|
|
|
/***********************************************************************
|
|
* dispatch_signal
|
|
*/
|
|
static inline int dispatch_signal(unsigned int sig)
|
|
{
|
|
if (handlers[sig] == NULL) return 0;
|
|
return handlers[sig](sig);
|
|
}
|
|
|
|
|
|
/*
|
|
* FIXME: All this works only on Solaris for now
|
|
*/
|
|
|
|
/**********************************************************************
|
|
* save_context
|
|
*/
|
|
static void save_context( CONTEXT *context, ucontext_t *ucontext )
|
|
{
|
|
context->ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER;
|
|
|
|
/* Special registers */
|
|
context->psr = ucontext->uc_mcontext.gregs[REG_PSR];
|
|
context->pc = ucontext->uc_mcontext.gregs[REG_PC];
|
|
context->npc = ucontext->uc_mcontext.gregs[REG_nPC];
|
|
context->y = ucontext->uc_mcontext.gregs[REG_Y];
|
|
context->wim = 0; /* FIXME */
|
|
context->tbr = 0; /* FIXME */
|
|
|
|
/* Global registers */
|
|
context->g0 = 0; /* always */
|
|
context->g1 = ucontext->uc_mcontext.gregs[REG_G1];
|
|
context->g2 = ucontext->uc_mcontext.gregs[REG_G2];
|
|
context->g3 = ucontext->uc_mcontext.gregs[REG_G3];
|
|
context->g4 = ucontext->uc_mcontext.gregs[REG_G4];
|
|
context->g5 = ucontext->uc_mcontext.gregs[REG_G5];
|
|
context->g6 = ucontext->uc_mcontext.gregs[REG_G6];
|
|
context->g7 = ucontext->uc_mcontext.gregs[REG_G7];
|
|
|
|
/* Current 'out' registers */
|
|
context->o0 = ucontext->uc_mcontext.gregs[REG_O0];
|
|
context->o1 = ucontext->uc_mcontext.gregs[REG_O1];
|
|
context->o2 = ucontext->uc_mcontext.gregs[REG_O2];
|
|
context->o3 = ucontext->uc_mcontext.gregs[REG_O3];
|
|
context->o4 = ucontext->uc_mcontext.gregs[REG_O4];
|
|
context->o5 = ucontext->uc_mcontext.gregs[REG_O5];
|
|
context->o6 = ucontext->uc_mcontext.gregs[REG_O6];
|
|
context->o7 = ucontext->uc_mcontext.gregs[REG_O7];
|
|
|
|
/* FIXME: what if the current register window isn't saved? */
|
|
if ( ucontext->uc_mcontext.gwins && ucontext->uc_mcontext.gwins->wbcnt > 0 )
|
|
{
|
|
/* Current 'local' registers from first register window */
|
|
context->l0 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[0];
|
|
context->l1 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[1];
|
|
context->l2 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[2];
|
|
context->l3 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[3];
|
|
context->l4 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[4];
|
|
context->l5 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[5];
|
|
context->l6 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[6];
|
|
context->l7 = ucontext->uc_mcontext.gwins->wbuf[0].rw_local[7];
|
|
|
|
/* Current 'in' registers from first register window */
|
|
context->i0 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[0];
|
|
context->i1 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[1];
|
|
context->i2 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[2];
|
|
context->i3 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[3];
|
|
context->i4 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[4];
|
|
context->i5 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[5];
|
|
context->i6 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[6];
|
|
context->i7 = ucontext->uc_mcontext.gwins->wbuf[0].rw_in[7];
|
|
}
|
|
}
|
|
|
|
/**********************************************************************
|
|
* restore_context
|
|
*/
|
|
static void restore_context( CONTEXT *context, ucontext_t *ucontext )
|
|
{
|
|
/* FIXME */
|
|
}
|
|
|
|
/**********************************************************************
|
|
* save_fpu
|
|
*/
|
|
static void save_fpu( CONTEXT *context, ucontext_t *ucontext )
|
|
{
|
|
/* FIXME */
|
|
}
|
|
|
|
/**********************************************************************
|
|
* restore_fpu
|
|
*/
|
|
static void restore_fpu( CONTEXT *context, ucontext_t *ucontext )
|
|
{
|
|
/* FIXME */
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* call_stack_handlers
|
|
*
|
|
* Call the stack handlers chain.
|
|
*/
|
|
static NTSTATUS call_stack_handlers( EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
{
|
|
EXCEPTION_POINTERS ptrs;
|
|
|
|
FIXME( "not implemented on Sparc\n" );
|
|
|
|
/* hack: call unhandled exception filter directly */
|
|
ptrs.ExceptionRecord = rec;
|
|
ptrs.ContextRecord = context;
|
|
unhandled_exception_filter( &ptrs );
|
|
return STATUS_UNHANDLED_EXCEPTION;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* raise_exception
|
|
*
|
|
* Implementation of NtRaiseException.
|
|
*/
|
|
static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
if (first_chance)
|
|
{
|
|
DWORD c;
|
|
|
|
TRACE( "code=%x flags=%x addr=%p ip=%x tid=%04x\n",
|
|
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress,
|
|
context->pc, GetCurrentThreadId() );
|
|
for (c = 0; c < rec->NumberParameters; c++)
|
|
TRACE( " info[%d]=%08lx\n", c, rec->ExceptionInformation[c] );
|
|
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
|
|
{
|
|
/* FIXME: dump context */
|
|
}
|
|
|
|
status = send_debug_event( rec, TRUE, context );
|
|
if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED)
|
|
return STATUS_SUCCESS;
|
|
|
|
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION)
|
|
return STATUS_SUCCESS;
|
|
|
|
if ((status = call_stack_handlers( rec, context )) != STATUS_UNHANDLED_EXCEPTION)
|
|
return status;
|
|
}
|
|
|
|
/* 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 );
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RtlCaptureContext (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlCaptureContext( CONTEXT *context )
|
|
{
|
|
FIXME("not implemented\n");
|
|
memset( context, 0, sizeof(*context) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* set_cpu_context
|
|
*
|
|
* Set the new CPU context.
|
|
*/
|
|
void set_cpu_context( const CONTEXT *context )
|
|
{
|
|
FIXME("not implemented\n");
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* copy_context
|
|
*
|
|
* Copy a register context according to the flags.
|
|
*/
|
|
void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
|
|
{
|
|
flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
|
|
if (flags & CONTEXT_CONTROL)
|
|
{
|
|
to->psr = from->psr;
|
|
to->pc = from->pc;
|
|
to->npc = from->npc;
|
|
to->y = from->y;
|
|
to->wim = from->wim;
|
|
to->tbr = from->tbr;
|
|
}
|
|
if (flags & CONTEXT_INTEGER)
|
|
{
|
|
to->g0 = from->g0;
|
|
to->g1 = from->g1;
|
|
to->g2 = from->g2;
|
|
to->g3 = from->g3;
|
|
to->g4 = from->g4;
|
|
to->g5 = from->g5;
|
|
to->g6 = from->g6;
|
|
to->g7 = from->g7;
|
|
to->o0 = from->o0;
|
|
to->o1 = from->o1;
|
|
to->o2 = from->o2;
|
|
to->o3 = from->o3;
|
|
to->o4 = from->o4;
|
|
to->o5 = from->o5;
|
|
to->o6 = from->o6;
|
|
to->o7 = from->o7;
|
|
to->l0 = from->l0;
|
|
to->l1 = from->l1;
|
|
to->l2 = from->l2;
|
|
to->l3 = from->l3;
|
|
to->l4 = from->l4;
|
|
to->l5 = from->l5;
|
|
to->l6 = from->l6;
|
|
to->l7 = from->l7;
|
|
to->i0 = from->i0;
|
|
to->i1 = from->i1;
|
|
to->i2 = from->i2;
|
|
to->i3 = from->i3;
|
|
to->i4 = from->i4;
|
|
to->i5 = from->i5;
|
|
to->i6 = from->i6;
|
|
to->i7 = from->i7;
|
|
}
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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_SPARC; /* get rid of CPU id */
|
|
|
|
memset( to, 0, sizeof(*to) );
|
|
to->cpu = CPU_SPARC;
|
|
|
|
if (flags & CONTEXT_CONTROL)
|
|
{
|
|
to->flags |= SERVER_CTX_CONTROL;
|
|
to->ctl.sparc_regs.psr = from->psr;
|
|
to->ctl.sparc_regs.pc = from->pc;
|
|
to->ctl.sparc_regs.npc = from->npc;
|
|
to->ctl.sparc_regs.y = from->y;
|
|
to->ctl.sparc_regs.wim = from->wim;
|
|
to->ctl.sparc_regs.tbr = from->tbr;
|
|
}
|
|
if (flags & CONTEXT_INTEGER)
|
|
{
|
|
to->flags |= SERVER_CTX_INTEGER;
|
|
to->integer.sparc_regs.g[0] = from->g0;
|
|
to->integer.sparc_regs.g[1] = from->g1;
|
|
to->integer.sparc_regs.g[2] = from->g2;
|
|
to->integer.sparc_regs.g[3] = from->g3;
|
|
to->integer.sparc_regs.g[4] = from->g4;
|
|
to->integer.sparc_regs.g[5] = from->g5;
|
|
to->integer.sparc_regs.g[6] = from->g6;
|
|
to->integer.sparc_regs.g[7] = from->g7;
|
|
to->integer.sparc_regs.o[0] = from->o0;
|
|
to->integer.sparc_regs.o[1] = from->o1;
|
|
to->integer.sparc_regs.o[2] = from->o2;
|
|
to->integer.sparc_regs.o[3] = from->o3;
|
|
to->integer.sparc_regs.o[4] = from->o4;
|
|
to->integer.sparc_regs.o[5] = from->o5;
|
|
to->integer.sparc_regs.o[6] = from->o6;
|
|
to->integer.sparc_regs.o[7] = from->o7;
|
|
to->integer.sparc_regs.l[0] = from->l0;
|
|
to->integer.sparc_regs.l[1] = from->l1;
|
|
to->integer.sparc_regs.l[2] = from->l2;
|
|
to->integer.sparc_regs.l[3] = from->l3;
|
|
to->integer.sparc_regs.l[4] = from->l4;
|
|
to->integer.sparc_regs.l[5] = from->l5;
|
|
to->integer.sparc_regs.l[6] = from->l6;
|
|
to->integer.sparc_regs.l[7] = from->l7;
|
|
to->integer.sparc_regs.i[0] = from->i0;
|
|
to->integer.sparc_regs.i[1] = from->i1;
|
|
to->integer.sparc_regs.i[2] = from->i2;
|
|
to->integer.sparc_regs.i[3] = from->i3;
|
|
to->integer.sparc_regs.i[4] = from->i4;
|
|
to->integer.sparc_regs.i[5] = from->i5;
|
|
to->integer.sparc_regs.i[6] = from->i6;
|
|
to->integer.sparc_regs.i[7] = from->i7;
|
|
}
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
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_SPARC) return STATUS_INVALID_PARAMETER;
|
|
|
|
to->ContextFlags = CONTEXT_SPARC;
|
|
if (from->flags & SERVER_CTX_CONTROL)
|
|
{
|
|
to->ContextFlags |= CONTEXT_CONTROL;
|
|
to->psr = from->ctl.sparc_regs.psr;
|
|
to->pc = from->ctl.sparc_regs.pc;
|
|
to->npc = from->ctl.sparc_regs.npc;
|
|
to->y = from->ctl.sparc_regs.y;
|
|
to->wim = from->ctl.sparc_regs.wim;
|
|
to->tbr = from->ctl.sparc_regs.tbr;
|
|
}
|
|
if (from->flags & SERVER_CTX_INTEGER)
|
|
{
|
|
to->ContextFlags |= CONTEXT_INTEGER;
|
|
to->g0 = from->integer.sparc_regs.g[0];
|
|
to->g1 = from->integer.sparc_regs.g[1];
|
|
to->g2 = from->integer.sparc_regs.g[2];
|
|
to->g3 = from->integer.sparc_regs.g[3];
|
|
to->g4 = from->integer.sparc_regs.g[4];
|
|
to->g5 = from->integer.sparc_regs.g[5];
|
|
to->g6 = from->integer.sparc_regs.g[6];
|
|
to->g7 = from->integer.sparc_regs.g[7];
|
|
to->o0 = from->integer.sparc_regs.o[0];
|
|
to->o1 = from->integer.sparc_regs.o[1];
|
|
to->o2 = from->integer.sparc_regs.o[2];
|
|
to->o3 = from->integer.sparc_regs.o[3];
|
|
to->o4 = from->integer.sparc_regs.o[4];
|
|
to->o5 = from->integer.sparc_regs.o[5];
|
|
to->o6 = from->integer.sparc_regs.o[6];
|
|
to->o7 = from->integer.sparc_regs.o[7];
|
|
to->l0 = from->integer.sparc_regs.l[0];
|
|
to->l1 = from->integer.sparc_regs.l[1];
|
|
to->l2 = from->integer.sparc_regs.l[2];
|
|
to->l3 = from->integer.sparc_regs.l[3];
|
|
to->l4 = from->integer.sparc_regs.l[4];
|
|
to->l5 = from->integer.sparc_regs.l[5];
|
|
to->l6 = from->integer.sparc_regs.l[6];
|
|
to->l7 = from->integer.sparc_regs.l[7];
|
|
to->i0 = from->integer.sparc_regs.i[0];
|
|
to->i1 = from->integer.sparc_regs.i[1];
|
|
to->i2 = from->integer.sparc_regs.i[2];
|
|
to->i3 = from->integer.sparc_regs.i[3];
|
|
to->i4 = from->integer.sparc_regs.i[4];
|
|
to->i5 = from->integer.sparc_regs.i[5];
|
|
to->i6 = from->integer.sparc_regs.i[6];
|
|
to->i7 = from->integer.sparc_regs.i[7];
|
|
}
|
|
if (from->flags & SERVER_CTX_FLOATING_POINT)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* segv_handler
|
|
*
|
|
* Handler for SIGSEGV.
|
|
*/
|
|
static void segv_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
rec.ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
|
|
|
|
/* we want the page-fault case to be fast */
|
|
if ( info->si_code == SEGV_ACCERR )
|
|
if (!(rec.ExceptionCode = virtual_handle_fault( info->si_addr, 0 ))) return;
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 2;
|
|
rec.ExceptionInformation[0] = 0; /* FIXME: read/write access ? */
|
|
rec.ExceptionInformation[1] = (ULONG_PTR)info->si_addr;
|
|
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* bus_handler
|
|
*
|
|
* Handler for SIGBUS.
|
|
*/
|
|
static void bus_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
|
|
if ( info->si_code == BUS_ADRALN )
|
|
rec.ExceptionCode = EXCEPTION_DATATYPE_MISALIGNMENT;
|
|
else
|
|
rec.ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
|
|
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* ill_handler
|
|
*
|
|
* Handler for SIGILL.
|
|
*/
|
|
static void ill_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
switch ( info->si_code )
|
|
{
|
|
default:
|
|
case ILL_ILLOPC:
|
|
case ILL_ILLOPN:
|
|
case ILL_ILLADR:
|
|
case ILL_ILLTRP:
|
|
rec.ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
|
|
break;
|
|
|
|
case ILL_PRVOPC:
|
|
case ILL_PRVREG:
|
|
rec.ExceptionCode = EXCEPTION_PRIV_INSTRUCTION;
|
|
break;
|
|
|
|
case ILL_BADSTK:
|
|
rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
|
|
break;
|
|
}
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* trap_handler
|
|
*
|
|
* Handler for SIGTRAP.
|
|
*/
|
|
static void trap_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
switch ( info->si_code )
|
|
{
|
|
case TRAP_TRACE:
|
|
rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
|
|
break;
|
|
case TRAP_BRKPT:
|
|
default:
|
|
rec.ExceptionCode = EXCEPTION_BREAKPOINT;
|
|
break;
|
|
}
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* fpe_handler
|
|
*
|
|
* Handler for SIGFPE.
|
|
*/
|
|
static void fpe_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
switch ( info->si_code )
|
|
{
|
|
case FPE_FLTSUB:
|
|
rec.ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
|
|
break;
|
|
case FPE_INTDIV:
|
|
rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
|
|
break;
|
|
case FPE_INTOVF:
|
|
rec.ExceptionCode = EXCEPTION_INT_OVERFLOW;
|
|
break;
|
|
case FPE_FLTDIV:
|
|
rec.ExceptionCode = EXCEPTION_FLT_DIVIDE_BY_ZERO;
|
|
break;
|
|
case FPE_FLTOVF:
|
|
rec.ExceptionCode = EXCEPTION_FLT_OVERFLOW;
|
|
break;
|
|
case FPE_FLTUND:
|
|
rec.ExceptionCode = EXCEPTION_FLT_UNDERFLOW;
|
|
break;
|
|
case FPE_FLTRES:
|
|
rec.ExceptionCode = EXCEPTION_FLT_INEXACT_RESULT;
|
|
break;
|
|
case FPE_FLTINV:
|
|
default:
|
|
rec.ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
|
|
break;
|
|
}
|
|
|
|
save_context( &context, ucontext );
|
|
save_fpu( &context, ucontext );
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
restore_fpu( &context, ucontext );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* int_handler
|
|
*
|
|
* Handler for SIGINT.
|
|
*/
|
|
static void int_handler( int signal, siginfo_t *info, void *ucontext )
|
|
{
|
|
if (!dispatch_signal(SIGINT))
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionCode = CONTROL_C_EXIT;
|
|
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
}
|
|
|
|
/**********************************************************************
|
|
* abrt_handler
|
|
*
|
|
* Handler for SIGABRT.
|
|
*/
|
|
static void abrt_handler( int signal, struct siginfo *info, void *ucontext )
|
|
{
|
|
EXCEPTION_RECORD rec;
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
save_context( &context, ucontext );
|
|
rec.ExceptionCode = EXCEPTION_WINE_ASSERTION;
|
|
rec.ExceptionFlags = EH_NONCONTINUABLE;
|
|
rec.ExceptionRecord = NULL;
|
|
rec.ExceptionAddress = (LPVOID)context.pc;
|
|
rec.NumberParameters = 0;
|
|
status = raise_exception( &rec, &context, TRUE );
|
|
if (status) raise_status( status, &rec );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* quit_handler
|
|
*
|
|
* Handler for SIGQUIT.
|
|
*/
|
|
static void quit_handler( int signal, struct siginfo *info, void *ucontext )
|
|
{
|
|
abort_thread(0);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* usr1_handler
|
|
*
|
|
* Handler for SIGUSR1, used to signal a thread that it got suspended.
|
|
*/
|
|
static void usr1_handler( int signal, struct siginfo *info, void *ucontext )
|
|
{
|
|
CONTEXT context;
|
|
|
|
save_context( &context, ucontext );
|
|
wait_suspend( &context );
|
|
restore_context( &context, ucontext );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* __wine_set_signal_handler (NTDLL.@)
|
|
*/
|
|
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
|
|
{
|
|
if (sig > sizeof(handlers) / sizeof(handlers[0])) return -1;
|
|
if (handlers[sig] != NULL) return -2;
|
|
handlers[sig] = wsh;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* signal_alloc_thread
|
|
*/
|
|
NTSTATUS signal_alloc_thread( TEB **teb )
|
|
{
|
|
static size_t sigstack_zero_bits;
|
|
SIZE_T size;
|
|
NTSTATUS status;
|
|
|
|
if (!sigstack_zero_bits)
|
|
{
|
|
size_t min_size = page_size;
|
|
/* find the first power of two not smaller than min_size */
|
|
while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
|
|
assert( sizeof(TEB) <= min_size );
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* signal_free_thread
|
|
*/
|
|
void signal_free_thread( TEB *teb )
|
|
{
|
|
SIZE_T size;
|
|
|
|
if (teb->DeallocationStack)
|
|
{
|
|
size = 0;
|
|
NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
|
|
}
|
|
size = 0;
|
|
NtFreeVirtualMemory( NtCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* signal_init_thread
|
|
*/
|
|
void signal_init_thread( TEB *teb )
|
|
{
|
|
static int init_done;
|
|
|
|
if (!init_done)
|
|
{
|
|
pthread_key_create( &teb_key, NULL );
|
|
init_done = 1;
|
|
}
|
|
pthread_setspecific( teb_key, teb );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* signal_init_process
|
|
*/
|
|
void signal_init_process(void)
|
|
{
|
|
struct sigaction sig_act;
|
|
|
|
sig_act.sa_mask = server_block_set;
|
|
sig_act.sa_flags = SA_RESTART | SA_SIGINFO;
|
|
|
|
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;
|
|
sig_act.sa_sigaction = ill_handler;
|
|
if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
|
|
#ifdef SIGBUS
|
|
sig_act.sa_sigaction = bus_handler;
|
|
if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
|
|
#endif
|
|
|
|
#ifdef SIGTRAP
|
|
sig_act.sa_sigaction = trap_handler;
|
|
if (sigaction( SIGTRAP, &sig_act, NULL ) == -1) goto error;
|
|
#endif
|
|
|
|
#ifdef __sun__
|
|
/* 'ta 6' tells the kernel to synthesize any unaligned accesses this
|
|
process makes, instead of just signalling an error and terminating
|
|
the process. wine-devel did not reach a conclusion on whether
|
|
this is correct, because that is what x86 does, or it is harmful
|
|
because it could obscure problems in user code */
|
|
__asm__("ta 6"); /* 6 == ST_FIX_ALIGN defined in sys/trap.h */
|
|
#endif
|
|
|
|
return;
|
|
error:
|
|
perror("sigaction");
|
|
exit(1);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* __wine_enter_vm86
|
|
*/
|
|
void __wine_enter_vm86( CONTEXT *context )
|
|
{
|
|
MESSAGE("vm86 mode not supported on this platform\n");
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlUnwind (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlUnwind( PVOID pEndFrame, PVOID targetIp, PEXCEPTION_RECORD pRecord, PVOID retval )
|
|
{
|
|
FIXME( "Not implemented on Sparc\n" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* NtRaiseException (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
|
|
{
|
|
NTSTATUS status = raise_exception( rec, context, first_chance );
|
|
if (status == STATUS_SUCCESS) NtSetContextThread( GetCurrentThread(), context );
|
|
return status;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlRaiseException (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlRaiseException( EXCEPTION_RECORD *rec )
|
|
{
|
|
CONTEXT context;
|
|
NTSTATUS status;
|
|
|
|
RtlCaptureContext( &context );
|
|
rec->ExceptionAddress = (void *)context.pc;
|
|
status = raise_exception( rec, &context, TRUE );
|
|
if (status) raise_status( status, rec );
|
|
}
|
|
|
|
/*************************************************************************
|
|
* 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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* call_thread_entry_point
|
|
*/
|
|
void call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg )
|
|
{
|
|
__TRY
|
|
{
|
|
exit_thread( entry( arg ));
|
|
}
|
|
__EXCEPT(unhandled_exception_filter)
|
|
{
|
|
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
|
|
}
|
|
__ENDTRY
|
|
abort(); /* should not be reached */
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RtlExitUserThread (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlExitUserThread( ULONG status )
|
|
{
|
|
exit_thread( status );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* abort_thread
|
|
*/
|
|
void abort_thread( int status )
|
|
{
|
|
terminate_thread( status );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* DbgBreakPoint (NTDLL.@)
|
|
*/
|
|
void WINAPI DbgBreakPoint(void)
|
|
{
|
|
kill(getpid(), SIGTRAP);
|
|
}
|
|
|
|
/**********************************************************************
|
|
* DbgUserBreakPoint (NTDLL.@)
|
|
*/
|
|
void WINAPI DbgUserBreakPoint(void)
|
|
{
|
|
kill(getpid(), SIGTRAP);
|
|
}
|
|
|
|
/**********************************************************************
|
|
* NtCurrentTeb (NTDLL.@)
|
|
*/
|
|
TEB * WINAPI NtCurrentTeb(void)
|
|
{
|
|
return pthread_getspecific( teb_key );
|
|
}
|
|
|
|
#endif /* __sparc__ */
|