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Commit 0c463415 authored by Alexandre Julliard's avatar Alexandre Julliard
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ntdll: Add call frame annotations in x86 assembly code.

parent 065287ed
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Showing with 96 additions and 59 deletions
dlls/ntdll/loader.c
View file @ 0c463415
......@@ -148,8 +148,12 @@ static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
__ASM_GLOBAL_FUNC(call_dll_entry_point,
"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 %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
"subl $8,%esp\n\t"
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
......@@ -158,7 +162,10 @@ __ASM_GLOBAL_FUNC(call_dll_entry_point,
"call *%eax\n\t"
"leal -4(%ebp),%esp\n\t"
"popl %ebx\n\t"
__ASM_CFI(".cfi_same_value %ebx\n\t")
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
#else /* __i386__ */
static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
......
dlls/ntdll/relay.c
View file @ 0c463415
......@@ -320,26 +320,35 @@ static inline void RELAY_PrintArgs( const INT_PTR *args, int nb_args, unsigned i
extern LONGLONG CDECL call_entry_point( void *func, int nb_args, const INT_PTR *args );
#ifdef __i386__
__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" )
#else
__ASM_GLOBAL_FUNC( call_entry_point,
"pushq %rbp\n\t"
......
dlls/ntdll/signal_i386.c
View file @ 0c463415
......@@ -137,11 +137,15 @@ void vm86_return(void);
void vm86_return_end(void);
__ASM_GLOBAL_FUNC(vm86_enter,
"pushl %ebp\n\t"
"movl %esp, %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 %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
"movl $166,%eax\n\t" /*SYS_vm86*/
"movl 8(%ebp),%ecx\n\t" /* vm86_ptr */
"movl (%ecx),%ecx\n\t"
"pushl %ebx\n\t"
"movl $1,%ebx\n\t" /*VM86_ENTER*/
"pushl %ecx\n\t" /* put vm86plus_struct ptr somewhere we can find it */
"pushl %fs\n\t"
......@@ -154,7 +158,10 @@ __ASM_GLOBAL_FUNC(vm86_enter,
"popl %fs\n\t"
"popl %ecx\n\t"
"popl %ebx\n\t"
__ASM_CFI(".cfi_same_value %ebx\n\t")
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"testl %eax,%eax\n\t"
"jl 0f\n\t"
"cmpb $0,%al\n\t" /* VM86_SIGNAL */
......@@ -2268,7 +2275,10 @@ DEFINE_REGS_ENTRYPOINT( RtlRaiseException, 1 )
extern void DECLSPEC_NORETURN call_thread_func( LPTHREAD_START_ROUTINE entry, void *arg );
__ASM_GLOBAL_FUNC(call_thread_func,
"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")
"subl $4,%esp\n\t"
"pushl 12(%ebp)\n\t"
"call *8(%ebp)\n\t"
......@@ -2329,42 +2339,53 @@ __ASM_STDCALL_FUNC( NtCurrentTeb, 0, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
* function calling the handler having only 5 parameters (*4).
*/
__ASM_GLOBAL_FUNC( EXC_CallHandler,
" pushl %ebp\n"
" movl %esp, %ebp\n"
" pushl %ebx\n"
" movl 28(%ebp), %edx\n" /* ugly hack to pass the 6th param needed because of Shrinker */
" pushl 24(%ebp)\n"
" pushl 20(%ebp)\n"
" pushl 16(%ebp)\n"
" pushl 12(%ebp)\n"
" pushl 8(%ebp)\n"
" call " __ASM_NAME("call_exception_handler") "\n"
" popl %ebx\n"
" leave\n"
" ret\n"
)
"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 %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
"movl 28(%ebp), %edx\n\t" /* ugly hack to pass the 6th param needed because of Shrinker */
"pushl 24(%ebp)\n\t"
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"pushl 8(%ebp)\n\t"
"call " __ASM_NAME("call_exception_handler") "\n\t"
"popl %ebx\n\t"
__ASM_CFI(".cfi_same_value %ebx\n\t")
"leave\n"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
__ASM_GLOBAL_FUNC(call_exception_handler,
" pushl %ebp\n"
" movl %esp, %ebp\n"
" subl $12,%esp\n"
" pushl 12(%ebp)\n" /* make any exceptions in this... */
" pushl %edx\n" /* handler be handled by... */
" .byte 0x64\n"
" pushl (0)\n" /* nested_handler (passed in edx). */
" .byte 0x64\n"
" movl %esp,(0)\n" /* push the new exception frame onto the exception stack. */
" pushl 20(%ebp)\n"
" pushl 16(%ebp)\n"
" pushl 12(%ebp)\n"
" pushl 8(%ebp)\n"
" movl 24(%ebp), %ecx\n" /* (*1) */
" call *%ecx\n" /* call handler. (*2) */
" .byte 0x64\n"
" movl (0), %esp\n" /* restore previous... (*3) */
" .byte 0x64\n"
" popl (0)\n" /* exception frame. */
" movl %ebp, %esp\n" /* restore saved stack, in case it was corrupted */
" popl %ebp\n"
" ret $20\n" /* (*4) */
)
"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")
"subl $12,%esp\n\t"
"pushl 12(%ebp)\n\t" /* make any exceptions in this... */
"pushl %edx\n\t" /* handler be handled by... */
".byte 0x64\n\t"
"pushl (0)\n\t" /* nested_handler (passed in edx). */
".byte 0x64\n\t"
"movl %esp,(0)\n\t" /* push the new exception frame onto the exception stack. */
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"pushl 8(%ebp)\n\t"
"movl 24(%ebp), %ecx\n\t" /* (*1) */
"call *%ecx\n\t" /* call handler. (*2) */
".byte 0x64\n\t"
"movl (0), %esp\n\t" /* restore previous... (*3) */
".byte 0x64\n\t"
"popl (0)\n\t" /* exception frame. */
"movl %ebp, %esp\n\t" /* restore saved stack, in case it was corrupted */
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret $20" ) /* (*4) */
#endif /* __i386__ */
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