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ntdll: Avoid pushl %esp instruction in RtlUnwind prolog. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-03-09 13:47:01 -06:00
parent 563f1b2200
commit 342e2cabd2
1 changed files with 3 additions and 1 deletions
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4
dlls/ntdll/signal_i386.c
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@ -2441,7 +2441,9 @@ __ASM_STDCALL_FUNC( RtlUnwind, 16,
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"leal -(0x2cc+8)(%esp),%esp\n\t" /* sizeof(CONTEXT) + alignment */
"pushl %esp\n\t" /* context */
"pushl %eax\n\t"
"leal 4(%esp),%eax\n\t" /* context */
"xchgl %eax,(%esp)\n\t"
"call " __ASM_NAME("RtlCaptureContext") __ASM_STDCALL(4) "\n\t"
"leal 24(%ebp),%eax\n\t"
"movl %eax,0xc4(%esp)\n\t" /* context->Esp */