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wow64: Implement Wow64RaiseException().

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This commit is contained in:
Alexandre Julliard 2023-03-09 17:28:12 +01:00
parent c7fcbea457
commit 37628a7732
3 changed files with 117 additions and 11 deletions
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125
dlls/wow64/syscall.c
View file

@ -151,6 +151,20 @@ static EXCEPTION_RECORD *exception_record_32to64( const EXCEPTION_RECORD32 *rec3
}
static void exception_record_64to32( EXCEPTION_RECORD32 *rec32, const EXCEPTION_RECORD *rec )
{
unsigned int i;
rec32->ExceptionCode = rec->ExceptionCode;
rec32->ExceptionFlags = rec->ExceptionFlags;
rec32->ExceptionRecord = PtrToUlong( rec->ExceptionRecord );
rec32->ExceptionAddress = PtrToUlong( rec->ExceptionAddress );
rec32->NumberParameters = rec->NumberParameters;
for (i = 0; i < rec->NumberParameters; i++)
rec32->ExceptionInformation[i] = rec->ExceptionInformation[i];
}
static NTSTATUS get_context_return_value( void *wow_context )
{
switch (current_machine)
@ -1185,17 +1199,108 @@ void WINAPI Wow64PrepareForException( EXCEPTION_RECORD *rec, CONTEXT *context )
*/
void WINAPI Wow64PassExceptionToGuest( EXCEPTION_POINTERS *ptrs )
{
EXCEPTION_RECORD *rec = ptrs->ExceptionRecord;
EXCEPTION_RECORD32 rec32;
ULONG i;
rec32.ExceptionCode = rec->ExceptionCode;
rec32.ExceptionFlags = rec->ExceptionFlags;
rec32.ExceptionRecord = PtrToUlong( rec->ExceptionRecord );
rec32.ExceptionAddress = PtrToUlong( rec->ExceptionAddress );
rec32.NumberParameters = rec->NumberParameters;
for (i = 0; i < rec->NumberParameters; i++)
rec32.ExceptionInformation[i] = rec->ExceptionInformation[i];
exception_record_64to32( &rec32, ptrs->ExceptionRecord );
call_user_exception_dispatcher( &rec32, NULL, ptrs->ContextRecord );
}
/**********************************************************************
* Wow64RaiseException (wow64.@)
*/
NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
{
EXCEPTION_RECORD32 rec32;
CONTEXT context;
BOOL first_chance = TRUE;
union
{
I386_CONTEXT i386;
ARM_CONTEXT arm;
} ctx32 = { 0 };
switch (current_machine)
{
case IMAGE_FILE_MACHINE_I386:
{
EXCEPTION_RECORD int_rec = { 0 };
ctx32.i386.ContextFlags = CONTEXT_I386_ALL;
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
if (code == -1) break;
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
switch (code)
{
case 0x00: /* division by zero */
int_rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
break;
case 0x01: /* single-step */
int_rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
break;
case 0x03: /* breakpoint */
int_rec.ExceptionCode = EXCEPTION_BREAKPOINT;
int_rec.ExceptionAddress = (void *)(ULONG_PTR)(ctx32.i386.Eip + 1);
int_rec.NumberParameters = 1;
break;
case 0x04: /* overflow */
int_rec.ExceptionCode = EXCEPTION_INT_OVERFLOW;
break;
case 0x05: /* array bounds */
int_rec.ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
break;
case 0x06: /* invalid opcode */
int_rec.ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
break;
case 0x09: /* coprocessor segment overrun */
int_rec.ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
break;
case 0x0c: /* stack fault */
int_rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
break;
case 0x29: /* __fastfail */
int_rec.ExceptionCode = STATUS_STACK_BUFFER_OVERRUN;
int_rec.ExceptionFlags = EH_NONCONTINUABLE;
int_rec.NumberParameters = 1;
int_rec.ExceptionInformation[0] = ctx32.i386.Ecx;
first_chance = FALSE;
break;
case 0x2d: /* debug service */
ctx32.i386.Eip++;
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
int_rec.ExceptionCode = EXCEPTION_BREAKPOINT;
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
int_rec.NumberParameters = 1;
int_rec.ExceptionInformation[0] = ctx32.i386.Eax;
break;
default:
ctx32.i386.Eip -= 2;
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
int_rec.ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
int_rec.NumberParameters = 2;
int_rec.ExceptionInformation[1] = 0xffffffff;
break;
}
*rec = int_rec;
break;
}
case IMAGE_FILE_MACHINE_ARMNT:
ctx32.arm.ContextFlags = CONTEXT_ARM_ALL;
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.arm );
break;
}
exception_record_64to32( &rec32, rec );
__TRY
{
raise_exception( rec, &context, first_chance );
}
__EXCEPT_ALL
{
call_user_exception_dispatcher( &rec32, &ctx32, NULL );
}
__ENDTRY
return STATUS_SUCCESS;
}

2
dlls/wow64/wow64.spec
View file

@ -16,7 +16,7 @@
@ stdcall Wow64PassExceptionToGuest(ptr)
@ stub Wow64PrepareForDebuggerAttach
@ stdcall Wow64PrepareForException(ptr ptr)
@ stub Wow64RaiseException
@ stdcall Wow64RaiseException(long ptr)
@ stub Wow64ShallowThunkAllocObjectAttributes32TO64_FNC
@ stub Wow64ShallowThunkAllocSecurityQualityOfService32TO64_FNC
@ stub Wow64ShallowThunkSIZE_T32TO64

1
include/winternl.h
View file

@ -3875,6 +3875,7 @@ void WINAPI Wow64ApcRoutine(ULONG_PTR,ULONG_PTR,ULONG_PTR,CONTEXT*);
NTSTATUS WINAPI Wow64KiUserCallbackDispatcher(ULONG,void*,ULONG,void**,ULONG*);
void WINAPI Wow64PassExceptionToGuest(EXCEPTION_POINTERS*);
void WINAPI Wow64PrepareForException(EXCEPTION_RECORD*,CONTEXT*);
NTSTATUS WINAPI Wow64RaiseException(int,EXCEPTION_RECORD*);
NTSTATUS WINAPI Wow64SystemServiceEx(UINT,UINT*);
#ifdef __WINESRC__