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ntdll: Add RtlRestoreContext implementation. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2016-07-05 16:24:33 +02:00 committed by Alexandre Julliard
parent 9729d15a1a
commit 4c50ef6995
3 changed files with 41 additions and 34 deletions
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2
dlls/kernel32/kernel32.spec
View File

@ -1293,7 +1293,7 @@
@ stdcall RtlMoveMemory(ptr ptr long) ntdll.RtlMoveMemory
@ stdcall -arch=x86_64,arm RtlPcToFileHeader(ptr ptr) ntdll.RtlPcToFileHeader
@ stdcall -arch=arm -register RtlRaiseException(ptr) ntdll.RtlRaiseException
# @ stub -arch=x86_64 RtlRestoreContext
@ stdcall -arch=x86_64 RtlRestoreContext(ptr ptr) ntdll.RtlRestoreContext
@ stdcall RtlUnwind(ptr ptr ptr long) ntdll.RtlUnwind
@ stdcall -arch=x86_64 RtlUnwindEx(long long ptr long ptr) ntdll.RtlUnwindEx
@ stdcall -arch=x86_64 RtlVirtualUnwind(long long long ptr ptr ptr ptr ptr) ntdll.RtlVirtualUnwind

1
dlls/ntdll/ntdll.spec
View File

@ -838,6 +838,7 @@
@ stdcall RtlRemoveVectoredContinueHandler(ptr)
@ stdcall RtlRemoveVectoredExceptionHandler(ptr)
@ stub RtlResetRtlTranslations
@ stdcall -arch=x86_64 RtlRestoreContext(ptr ptr)
@ stdcall RtlRestoreLastWin32Error(long) RtlSetLastWin32Error
@ stub RtlRevertMemoryStream
@ stub RtlRunDecodeUnicodeString

72
dlls/ntdll/signal_x86_64.c
View File

@ -3437,6 +3437,44 @@ __ASM_GLOBAL_FUNC( call_consolidate_callback,
__ASM_CFI(".cfi_same_value %rbp\n\t")
"ret")
/*******************************************************************
* RtlRestoreContext (NTDLL.@)
*/
void WINAPI RtlRestoreContext( CONTEXT *context, EXCEPTION_RECORD *rec )
{
if (rec && rec->ExceptionCode == STATUS_LONGJUMP && rec->NumberParameters >= 1)
{
struct MSVCRT_JUMP_BUFFER *jmp = (struct MSVCRT_JUMP_BUFFER *)rec->ExceptionInformation[0];
context->Rbx = jmp->Rbx;
context->Rsp = jmp->Rsp;
context->Rbp = jmp->Rbp;
context->Rsi = jmp->Rsi;
context->Rdi = jmp->Rdi;
context->R12 = jmp->R12;
context->R13 = jmp->R13;
context->R14 = jmp->R14;
context->R15 = jmp->R15;
context->u.s.Xmm6 = jmp->Xmm6;
context->u.s.Xmm7 = jmp->Xmm7;
context->u.s.Xmm8 = jmp->Xmm8;
context->u.s.Xmm9 = jmp->Xmm9;
context->u.s.Xmm10 = jmp->Xmm10;
context->u.s.Xmm11 = jmp->Xmm11;
context->u.s.Xmm12 = jmp->Xmm12;
context->u.s.Xmm13 = jmp->Xmm13;
context->u.s.Xmm14 = jmp->Xmm14;
context->u.s.Xmm15 = jmp->Xmm15;
}
else if (rec && rec->ExceptionCode == STATUS_UNWIND_CONSOLIDATE && rec->NumberParameters >= 1)
{
PVOID (CALLBACK *consolidate)(EXCEPTION_RECORD *) = (void *)rec->ExceptionInformation[0];
TRACE( "calling consolidate callback %p (rec=%p)\n", consolidate, rec );
context->Rip = (ULONG64)call_consolidate_callback( context, consolidate, rec );
}
TRACE( "returning to %lx stack %lx\n", context->Rip, context->Rsp );
set_cpu_context( context );
}
/*******************************************************************
* RtlUnwindEx (NTDLL.@)
@ -3597,41 +3635,9 @@ void WINAPI RtlUnwindEx( PVOID end_frame, PVOID target_ip, EXCEPTION_RECORD *rec
*context = new_context;
}
if (rec->ExceptionCode == STATUS_LONGJUMP && rec->NumberParameters >= 1)
{
struct MSVCRT_JUMP_BUFFER *jmp = (struct MSVCRT_JUMP_BUFFER *)rec->ExceptionInformation[0];
context->Rbx = jmp->Rbx;
context->Rsp = jmp->Rsp;
context->Rbp = jmp->Rbp;
context->Rsi = jmp->Rsi;
context->Rdi = jmp->Rdi;
context->R12 = jmp->R12;
context->R13 = jmp->R13;
context->R14 = jmp->R14;
context->R15 = jmp->R15;
context->Rip = jmp->Rip;
context->u.s.Xmm6 = jmp->Xmm6;
context->u.s.Xmm7 = jmp->Xmm7;
context->u.s.Xmm8 = jmp->Xmm8;
context->u.s.Xmm9 = jmp->Xmm9;
context->u.s.Xmm10 = jmp->Xmm10;
context->u.s.Xmm11 = jmp->Xmm11;
context->u.s.Xmm12 = jmp->Xmm12;
context->u.s.Xmm13 = jmp->Xmm13;
context->u.s.Xmm14 = jmp->Xmm14;
context->u.s.Xmm15 = jmp->Xmm15;
}
else if (rec->ExceptionCode == STATUS_UNWIND_CONSOLIDATE && rec->NumberParameters >= 1)
{
PVOID (CALLBACK *consolidate)(EXCEPTION_RECORD *) = (void *)rec->ExceptionInformation[0];
TRACE( "calling consolidate callback %p (rec=%p)\n", consolidate, rec );
target_ip = call_consolidate_callback( context, consolidate, rec );
TRACE( "-> target=%p\n", target_ip );
}
context->Rax = (ULONG64)retval;
context->Rip = (ULONG64)target_ip;
TRACE( "returning to %lx stack %lx\n", context->Rip, context->Rsp );
set_cpu_context( context );
RtlRestoreContext(context, rec);
}