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ntdll: Preserve registers in call_thread_entry_point on x86_64.

This commit is contained in:
Alexandre Julliard 2010-05-16 12:34:07 +02:00
parent 69326aa246
commit 39d54523a3
1 changed files with 21 additions and 4 deletions
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25
dlls/ntdll/signal_x86_64.c
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@ -2992,16 +2992,33 @@ void call_thread_func( LPTHREAD_START_ROUTINE entry, void *arg, void *frame )
extern void DECLSPEC_NORETURN call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg );
__ASM_GLOBAL_FUNC( call_thread_entry_point,
"subq $8,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
"subq $56,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 56\n\t")
"movq %rbp,48(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %rbp,48\n\t")
"movq %rbx,40(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %rbx,40\n\t")
"movq %r12,32(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %r12,32\n\t")
"movq %r13,24(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %r13,24\n\t")
"movq %r14,16(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %r14,16\n\t")
"movq %r15,8(%rsp)\n\t"
__ASM_CFI(".cfi_rel_offset %r15,8\n\t")
"movq %rsp,%rdx\n\t"
"call " __ASM_NAME("call_thread_func") );
extern void DECLSPEC_NORETURN call_thread_exit_func( int status, void (*func)(int), void *frame );
__ASM_GLOBAL_FUNC( call_thread_exit_func,
"subq $8,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
"movq %rdx,%rsp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 56\n\t")
__ASM_CFI(".cfi_rel_offset %rbp,48\n\t")
__ASM_CFI(".cfi_rel_offset %rbx,40\n\t")
__ASM_CFI(".cfi_rel_offset %r12,32\n\t")
__ASM_CFI(".cfi_rel_offset %r13,24\n\t")
__ASM_CFI(".cfi_rel_offset %r14,16\n\t")
__ASM_CFI(".cfi_rel_offset %r15,8\n\t")
"call *%rsi" );
/***********************************************************************