Alexandre Julliard : ntdll: Implement set_cpu_context for x86_64 directly instead of using the winebuild-generated code .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1e6ff42d0329b368e346d84f950902dcf6159ba5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1e6ff42d0329b368e346d84f950902dcf6159ba5

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Thu Jan 27 12:46:55 2011 +0100

ntdll: Implement set_cpu_context for x86_64 directly instead of using the winebuild-generated code.

---

 dlls/ntdll/signal_x86_64.c |   53 +++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 47 insertions(+), 6 deletions(-)

diff --git a/dlls/ntdll/signal_x86_64.c b/dlls/ntdll/signal_x86_64.c
index ae9a2bd..c1d1b84 100644
--- a/dlls/ntdll/signal_x86_64.c
+++ b/dlls/ntdll/signal_x86_64.c
@@ -1515,12 +1515,53 @@ __ASM_GLOBAL_FUNC( RtlCaptureContext,
  *
  * Set the new CPU context.
  */
-void set_cpu_context( const CONTEXT *context )
-{
-    extern void CDECL __wine_restore_regs( const CONTEXT * ) DECLSPEC_NORETURN;
-    __wine_restore_regs( context );
-}
-
+__ASM_GLOBAL_FUNC( set_cpu_context,
+                   "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" );
 
 /***********************************************************************
  *           copy_context