2020-06-01 12:52:05 +02:00
|
|
|
/*
|
|
|
|
* ARM signal handling routines
|
|
|
|
*
|
|
|
|
* Copyright 2002 Marcus Meissner, SuSE Linux AG
|
|
|
|
* Copyright 2010-2013, 2015 André Hentschel
|
|
|
|
*
|
|
|
|
* 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
|
|
|
|
*/
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
#pragma makedep unix
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef __arm__
|
|
|
|
|
|
|
|
#include "config.h"
|
|
|
|
#include "wine/port.h"
|
|
|
|
|
|
|
|
#include <assert.h>
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <signal.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <stdarg.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
|
|
# include <unistd.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
|
|
# include <sys/param.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYSCALL_H
|
|
|
|
# include <syscall.h>
|
|
|
|
#else
|
|
|
|
# ifdef HAVE_SYS_SYSCALL_H
|
|
|
|
# include <sys/syscall.h>
|
|
|
|
# endif
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_SIGNAL_H
|
|
|
|
# include <sys/signal.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_UCONTEXT_H
|
|
|
|
# include <sys/ucontext.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define NONAMELESSUNION
|
|
|
|
#define NONAMELESSSTRUCT
|
|
|
|
#include "ntstatus.h"
|
|
|
|
#define WIN32_NO_STATUS
|
|
|
|
#include "windef.h"
|
|
|
|
#include "winnt.h"
|
|
|
|
#include "winternl.h"
|
|
|
|
#include "wine/exception.h"
|
|
|
|
#include "wine/asm.h"
|
|
|
|
#include "unix_private.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
|
|
|
|
static pthread_key_t teb_key;
|
|
|
|
|
|
|
|
|
2020-06-01 13:40:25 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* context_to_server
|
|
|
|
*
|
|
|
|
* Convert a register context to the server format.
|
|
|
|
*/
|
|
|
|
NTSTATUS context_to_server( context_t *to, const CONTEXT *from )
|
|
|
|
{
|
|
|
|
DWORD i, flags = from->ContextFlags & ~CONTEXT_ARM; /* get rid of CPU id */
|
|
|
|
|
|
|
|
memset( to, 0, sizeof(*to) );
|
|
|
|
to->cpu = CPU_ARM;
|
|
|
|
|
|
|
|
if (flags & CONTEXT_CONTROL)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_CONTROL;
|
|
|
|
to->ctl.arm_regs.sp = from->Sp;
|
|
|
|
to->ctl.arm_regs.lr = from->Lr;
|
|
|
|
to->ctl.arm_regs.pc = from->Pc;
|
|
|
|
to->ctl.arm_regs.cpsr = from->Cpsr;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_INTEGER)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_INTEGER;
|
|
|
|
to->integer.arm_regs.r[0] = from->R0;
|
|
|
|
to->integer.arm_regs.r[1] = from->R1;
|
|
|
|
to->integer.arm_regs.r[2] = from->R2;
|
|
|
|
to->integer.arm_regs.r[3] = from->R3;
|
|
|
|
to->integer.arm_regs.r[4] = from->R4;
|
|
|
|
to->integer.arm_regs.r[5] = from->R5;
|
|
|
|
to->integer.arm_regs.r[6] = from->R6;
|
|
|
|
to->integer.arm_regs.r[7] = from->R7;
|
|
|
|
to->integer.arm_regs.r[8] = from->R8;
|
|
|
|
to->integer.arm_regs.r[9] = from->R9;
|
|
|
|
to->integer.arm_regs.r[10] = from->R10;
|
|
|
|
to->integer.arm_regs.r[11] = from->R11;
|
|
|
|
to->integer.arm_regs.r[12] = from->R12;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_FLOATING_POINT)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_FLOATING_POINT;
|
|
|
|
for (i = 0; i < 32; i++) to->fp.arm_regs.d[i] = from->u.D[i];
|
|
|
|
to->fp.arm_regs.fpscr = from->Fpscr;
|
|
|
|
}
|
|
|
|
if (flags & CONTEXT_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
to->flags |= SERVER_CTX_DEBUG_REGISTERS;
|
|
|
|
for (i = 0; i < ARM_MAX_BREAKPOINTS; i++) to->debug.arm_regs.bvr[i] = from->Bvr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_BREAKPOINTS; i++) to->debug.arm_regs.bcr[i] = from->Bcr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_WATCHPOINTS; i++) to->debug.arm_regs.wvr[i] = from->Wvr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_WATCHPOINTS; i++) to->debug.arm_regs.wcr[i] = from->Wcr[i];
|
|
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* context_from_server
|
|
|
|
*
|
|
|
|
* Convert a register context from the server format.
|
|
|
|
*/
|
|
|
|
NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
|
|
|
|
{
|
|
|
|
DWORD i;
|
|
|
|
|
|
|
|
if (from->cpu != CPU_ARM) return STATUS_INVALID_PARAMETER;
|
|
|
|
|
|
|
|
to->ContextFlags = CONTEXT_ARM;
|
|
|
|
if (from->flags & SERVER_CTX_CONTROL)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_CONTROL;
|
|
|
|
to->Sp = from->ctl.arm_regs.sp;
|
|
|
|
to->Lr = from->ctl.arm_regs.lr;
|
|
|
|
to->Pc = from->ctl.arm_regs.pc;
|
|
|
|
to->Cpsr = from->ctl.arm_regs.cpsr;
|
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_INTEGER)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_INTEGER;
|
|
|
|
to->R0 = from->integer.arm_regs.r[0];
|
|
|
|
to->R1 = from->integer.arm_regs.r[1];
|
|
|
|
to->R2 = from->integer.arm_regs.r[2];
|
|
|
|
to->R3 = from->integer.arm_regs.r[3];
|
|
|
|
to->R4 = from->integer.arm_regs.r[4];
|
|
|
|
to->R5 = from->integer.arm_regs.r[5];
|
|
|
|
to->R6 = from->integer.arm_regs.r[6];
|
|
|
|
to->R7 = from->integer.arm_regs.r[7];
|
|
|
|
to->R8 = from->integer.arm_regs.r[8];
|
|
|
|
to->R9 = from->integer.arm_regs.r[9];
|
|
|
|
to->R10 = from->integer.arm_regs.r[10];
|
|
|
|
to->R11 = from->integer.arm_regs.r[11];
|
|
|
|
to->R12 = from->integer.arm_regs.r[12];
|
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_FLOATING_POINT)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_FLOATING_POINT;
|
|
|
|
for (i = 0; i < 32; i++) to->u.D[i] = from->fp.arm_regs.d[i];
|
|
|
|
to->Fpscr = from->fp.arm_regs.fpscr;
|
|
|
|
}
|
|
|
|
if (from->flags & SERVER_CTX_DEBUG_REGISTERS)
|
|
|
|
{
|
|
|
|
to->ContextFlags |= CONTEXT_DEBUG_REGISTERS;
|
|
|
|
for (i = 0; i < ARM_MAX_BREAKPOINTS; i++) to->Bvr[i] = from->debug.arm_regs.bvr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_BREAKPOINTS; i++) to->Bcr[i] = from->debug.arm_regs.bcr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_WATCHPOINTS; i++) to->Wvr[i] = from->debug.arm_regs.wvr[i];
|
|
|
|
for (i = 0; i < ARM_MAX_WATCHPOINTS; i++) to->Wcr[i] = from->debug.arm_regs.wcr[i];
|
|
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2020-06-01 12:52:05 +02:00
|
|
|
/**********************************************************************
|
|
|
|
* get_thread_ldt_entry
|
|
|
|
*/
|
|
|
|
NTSTATUS CDECL get_thread_ldt_entry( HANDLE handle, void *data, ULONG len, ULONG *ret_len )
|
|
|
|
{
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* NtSetLdtEntries (NTDLL.@)
|
|
|
|
* ZwSetLdtEntries (NTDLL.@)
|
|
|
|
*/
|
|
|
|
NTSTATUS WINAPI NtSetLdtEntries( ULONG sel1, LDT_ENTRY entry1, ULONG sel2, LDT_ENTRY entry2 )
|
|
|
|
{
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_init_threading
|
|
|
|
*/
|
|
|
|
void signal_init_threading(void)
|
|
|
|
{
|
|
|
|
pthread_key_create( &teb_key, NULL );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_alloc_thread
|
|
|
|
*/
|
|
|
|
NTSTATUS signal_alloc_thread( TEB *teb )
|
|
|
|
{
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_free_thread
|
|
|
|
*/
|
|
|
|
void signal_free_thread( TEB *teb )
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* signal_init_thread
|
|
|
|
*/
|
|
|
|
void signal_init_thread( TEB *teb )
|
|
|
|
{
|
|
|
|
#if defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_8A__)
|
|
|
|
/* Win32/ARM applications expect the TEB pointer to be in the TPIDRURW register. */
|
|
|
|
__asm__ __volatile__( "mcr p15, 0, %0, c13, c0, 2" : : "r" (teb) );
|
|
|
|
#endif
|
|
|
|
pthread_setspecific( teb_key, teb );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern void DECLSPEC_NORETURN call_thread_exit_func( int status, void (*func)(int), TEB *teb );
|
|
|
|
__ASM_GLOBAL_FUNC( call_thread_exit_func,
|
|
|
|
".arm\n\t"
|
|
|
|
"ldr r3, [r2, #0x1d4]\n\t" /* teb->SystemReserved2 */
|
|
|
|
"mov ip, #0\n\t"
|
|
|
|
"str ip, [r2, #0x1d4]\n\t"
|
|
|
|
"cmp r3, ip\n\t"
|
|
|
|
"movne sp, r3\n\t"
|
|
|
|
"blx r1" )
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* signal_exit_thread
|
|
|
|
*/
|
|
|
|
void signal_exit_thread( int status, void (*func)(int) )
|
|
|
|
{
|
|
|
|
call_thread_exit_func( status, func, NtCurrentTeb() );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* NtCurrentTeb (NTDLL.@)
|
|
|
|
*/
|
|
|
|
TEB * WINAPI NtCurrentTeb(void)
|
|
|
|
{
|
|
|
|
return pthread_getspecific( teb_key );
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* __arm__ */
|