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msvcrt: Implemented setjmp for x86_64.

This commit is contained in:
Alexandre Julliard 2010-04-10 11:47:55 +02:00
parent 8f77dd8aff
commit 11f10c6f05
3 changed files with 90 additions and 7 deletions
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42
dlls/msvcrt/except.c
View File

@ -410,7 +410,47 @@ void __stdcall _seh_longjmp_unwind(struct MSVCRT___JUMP_BUFFER *jmp)
{
msvcrt_local_unwind2( (MSVCRT_EXCEPTION_FRAME *)jmp->Registration, jmp->TryLevel, (void *)jmp->Ebp );
}
#endif /* i386 */
#elif defined(__x86_64__)
/*******************************************************************
* _setjmp (MSVCRT.@)
*/
__ASM_GLOBAL_FUNC( MSVCRT__setjmp,
"xorq %rdx,%rdx\n\t" /* frame */
"jmp " __ASM_NAME("MSVCRT__setjmpex") );
/*******************************************************************
* _setjmpex (MSVCRT.@)
*/
__ASM_GLOBAL_FUNC( MSVCRT__setjmpex,
"movq %rdx,(%rcx)\n\t" /* jmp_buf->Frame */
"movq %rbx,0x8(%rcx)\n\t" /* jmp_buf->Rbx */
"leaq 0x8(%rsp),%rax\n\t"
"movq %rax,0x10(%rcx)\n\t" /* jmp_buf->Rsp */
"movq %rbp,0x18(%rcx)\n\t" /* jmp_buf->Rbp */
"movq %rsi,0x20(%rcx)\n\t" /* jmp_buf->Rsi */
"movq %rdi,0x28(%rcx)\n\t" /* jmp_buf->Rdi */
"movq %r12,0x30(%rcx)\n\t" /* jmp_buf->R12 */
"movq %r13,0x38(%rcx)\n\t" /* jmp_buf->R13 */
"movq %r14,0x40(%rcx)\n\t" /* jmp_buf->R14 */
"movq %r15,0x48(%rcx)\n\t" /* jmp_buf->R15 */
"movq (%rsp),%rax\n\t"
"movq %rax,0x50(%rcx)\n\t" /* jmp_buf->Rip */
"movdqa %xmm6,0x60(%rcx)\n\t" /* jmp_buf->Xmm6 */
"movdqa %xmm7,0x70(%rcx)\n\t" /* jmp_buf->Xmm7 */
"movdqa %xmm8,0x80(%rcx)\n\t" /* jmp_buf->Xmm8 */
"movdqa %xmm9,0x90(%rcx)\n\t" /* jmp_buf->Xmm9 */
"movdqa %xmm10,0xa0(%rcx)\n\t" /* jmp_buf->Xmm10 */
"movdqa %xmm11,0xb0(%rcx)\n\t" /* jmp_buf->Xmm11 */
"movdqa %xmm12,0xc0(%rcx)\n\t" /* jmp_buf->Xmm12 */
"movdqa %xmm13,0xd0(%rcx)\n\t" /* jmp_buf->Xmm13 */
"movdqa %xmm14,0xe0(%rcx)\n\t" /* jmp_buf->Xmm14 */
"movdqa %xmm15,0xf0(%rcx)\n\t" /* jmp_buf->Xmm15 */
"xorq %rax,%rax\n\t"
"retq" );
#endif /* __x86_64__ */
static MSVCRT___sighandler_t sighandlers[MSVCRT_NSIG] = { MSVCRT_SIG_DFL };

6
dlls/msvcrt/msvcrt.spec
View File

@ -815,8 +815,9 @@
# stub _set_output_format
@ cdecl _set_sbh_threshold(long)
@ cdecl _seterrormode(long)
@ cdecl -i386 -norelay _setjmp(ptr) MSVCRT__setjmp
@ cdecl -i386 -norelay _setjmp3(ptr long) MSVCRT__setjmp3
@ cdecl -arch=i386,x86_64 -norelay _setjmp(ptr) MSVCRT__setjmp
@ cdecl -arch=i386 -norelay _setjmp3(ptr long) MSVCRT__setjmp3
@ cdecl -arch=x86_64 -norelay _setjmpex(ptr ptr) MSVCRT__setjmpex
@ cdecl _setmaxstdio(long)
@ cdecl _setmbcp(long)
@ cdecl _setmode(long long)
@ -1299,6 +1300,7 @@
@ varargs scanf(str) MSVCRT_scanf
# stub scanf_s
@ cdecl setbuf(ptr ptr) MSVCRT_setbuf
@ cdecl -arch=x86_64 -norelay -private setjmp(ptr) MSVCRT__setjmp
@ cdecl setlocale(long str) MSVCRT_setlocale
@ cdecl setvbuf(ptr str long long) MSVCRT_setvbuf
@ cdecl signal(long long) MSVCRT_signal

49
include/msvcrt/setjmp.h
View File

@ -42,12 +42,53 @@ typedef struct __JUMP_BUFFER
unsigned long UnwindData[6];
} _JUMP_BUFFER;
#endif /* __i386__ */
#define _JBLEN 16
#define _JBTYPE int
#define _JBLEN 16
#define _JBTYPE int
typedef _JBTYPE jmp_buf[_JBLEN];
#elif defined(__x86_64__)
typedef struct _SETJMP_FLOAT128
{
unsigned __int64 DECLSPEC_ALIGN(16) Part[2];
} SETJMP_FLOAT128;
typedef struct _JUMP_BUFFER
{
unsigned __int64 Frame;
unsigned __int64 Rbx;
unsigned __int64 Rsp;
unsigned __int64 Rbp;
unsigned __int64 Rsi;
unsigned __int64 Rdi;
unsigned __int64 R12;
unsigned __int64 R13;
unsigned __int64 R14;
unsigned __int64 R15;
unsigned __int64 Rip;
unsigned __int64 Spare;
SETJMP_FLOAT128 Xmm6;
SETJMP_FLOAT128 Xmm7;
SETJMP_FLOAT128 Xmm8;
SETJMP_FLOAT128 Xmm9;
SETJMP_FLOAT128 Xmm10;
SETJMP_FLOAT128 Xmm11;
SETJMP_FLOAT128 Xmm12;
SETJMP_FLOAT128 Xmm13;
SETJMP_FLOAT128 Xmm14;
SETJMP_FLOAT128 Xmm15;
} _JUMP_BUFFER;
#define _JBLEN 16
typedef SETJMP_FLOAT128 _JBTYPE;
#else
#define _JBLEN 1
#define _JBTYPE int
#endif
typedef _JBTYPE jmp_buf[_JBLEN];
#ifdef __cplusplus
extern "C" {