Alexandre Julliard : kernel32: Add call frame annotations in x86 assembly code.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 69bb29ced960e9e126d82c67c446645588b2f195
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=69bb29ced960e9e126d82c67c4...

Author: Alexandre Julliard 
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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