Alexandre Julliard : kernel32: Add call frame annotations in x86 assembly code.
Alexandre Julliard
julliard at winehq.org
Thu Jun 25 08:13:57 CDT 2009
Module: wine
Branch: master
Commit: 69bb29ced960e9e126d82c67c446645588b2f195
URL: http://source.winehq.org/git/wine.git/?a=commit;h=69bb29ced960e9e126d82c67c446645588b2f195
Author: Alexandre Julliard <julliard at winehq.org>
Date: Thu Jun 25 12:02:59 2009 +0200
kernel32: Add call frame annotations in x86 assembly code.
---
dlls/kernel32/relay16.c | 49 +++++++++++++++++++++++++++-------------------
1 files changed, 29 insertions(+), 20 deletions(-)
diff --git a/dlls/kernel32/relay16.c b/dlls/kernel32/relay16.c
index a2a550c..b3ac234 100644
--- a/dlls/kernel32/relay16.c
+++ b/dlls/kernel32/relay16.c
@@ -283,26 +283,35 @@ static const CALLFROM16 *get_entry_point( STACK16FRAME *frame, LPSTR module, LPS
extern int call_entry_point( void *func, int nb_args, const int *args );
__ASM_GLOBAL_FUNC( call_entry_point,
- "\tpushl %ebp\n"
- "\tmovl %esp,%ebp\n"
- "\tpushl %esi\n"
- "\tpushl %edi\n"
- "\tmovl 12(%ebp),%edx\n"
- "\tshll $2,%edx\n"
- "\tjz 1f\n"
- "\tsubl %edx,%esp\n"
- "\tandl $~15,%esp\n"
- "\tmovl 12(%ebp),%ecx\n"
- "\tmovl 16(%ebp),%esi\n"
- "\tmovl %esp,%edi\n"
- "\tcld\n"
- "\trep; movsl\n"
- "1:\tcall *8(%ebp)\n"
- "\tleal -8(%ebp),%esp\n"
- "\tpopl %edi\n"
- "\tpopl %esi\n"
- "\tpopl %ebp\n"
- "\tret" )
+ "pushl %ebp\n\t"
+ __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
+ __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
+ "movl %esp,%ebp\n\t"
+ __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
+ "pushl %esi\n\t"
+ __ASM_CFI(".cfi_rel_offset %esi,-4\n\t")
+ "pushl %edi\n\t"
+ __ASM_CFI(".cfi_rel_offset %edi,-8\n\t")
+ "movl 12(%ebp),%edx\n\t"
+ "shll $2,%edx\n\t"
+ "jz 1f\n\t"
+ "subl %edx,%esp\n\t"
+ "andl $~15,%esp\n\t"
+ "movl 12(%ebp),%ecx\n\t"
+ "movl 16(%ebp),%esi\n\t"
+ "movl %esp,%edi\n\t"
+ "cld\n\t"
+ "rep; movsl\n"
+ "1:\tcall *8(%ebp)\n\t"
+ "leal -8(%ebp),%esp\n\t"
+ "popl %edi\n\t"
+ __ASM_CFI(".cfi_same_value %edi\n\t")
+ "popl %esi\n\t"
+ __ASM_CFI(".cfi_same_value %esi\n\t")
+ "popl %ebp\n\t"
+ __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
+ __ASM_CFI(".cfi_same_value %ebp\n\t")
+ "ret" )
/***********************************************************************
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