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kernel32: Add call frame annotations in x86 assembly code.

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This commit is contained in:
Alexandre Julliard 2009-06-25 12:02:59 +02:00
parent 0c46341543
commit 69bb29ced9
1 changed files with 29 additions and 20 deletions
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49
dlls/kernel32/relay16.c
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@ -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" )
/***********************************************************************