mirror of
https://github.com/reactos/wine.git
synced 2024-11-25 20:59:54 +00:00
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
|
|
* x86-64 register context support
|
|
*
|
|
* Copyright (C) 1999, 2005 Alexandre Julliard
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef __x86_64__
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
|
|
#define NONAMELESSUNION
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
|
|
#include "file.h"
|
|
#include "thread.h"
|
|
#include "request.h"
|
|
|
|
/* copy a context structure according to the flags */
|
|
void copy_context( CONTEXT *to, const CONTEXT *from, unsigned int flags )
|
|
{
|
|
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;
|
|
to->MxCsr = from->MxCsr;
|
|
}
|
|
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)
|
|
{
|
|
to->u.FltSave = from->u.FltSave;
|
|
}
|
|
/* we don't bother copying the debug registers, since they */
|
|
/* always need to be accessed by ptrace anyway */
|
|
to->ContextFlags |= flags & ~CONTEXT_DEBUG_REGISTERS;
|
|
}
|
|
|
|
/* retrieve the current instruction pointer of a context */
|
|
void *get_context_ip( const CONTEXT *context )
|
|
{
|
|
return (void *)context->Rip;
|
|
}
|
|
|
|
/* return the context flag that contains the CPU id */
|
|
unsigned int get_context_cpu_flag(void)
|
|
{
|
|
return CONTEXT_AMD64;
|
|
}
|
|
|
|
/* return only the context flags that correspond to system regs */
|
|
/* (system regs are the ones we can't access on the client side) */
|
|
unsigned int get_context_system_regs( unsigned int flags )
|
|
{
|
|
return flags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64);
|
|
}
|
|
|
|
#endif /* __x86_64__ */
|