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wow64: Update Wow64RaiseException behavior to match i386 hardware exceptions.

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This commit is contained in:
Alexandre Julliard 2024-02-27 16:02:18 +01:00
parent 4e25c07689
commit 259b92d13e
1 changed files with 7 additions and 4 deletions
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11
dlls/wow64/syscall.c
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@ -1330,11 +1330,13 @@ NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
int_rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
break;
case 0x01: /* single-step */
ctx32.i386.EFlags &= ~0x100;
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
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.ExceptionAddress = (void *)(ULONG_PTR)(ctx32.i386.Eip - 1);
int_rec.NumberParameters = 1;
break;
case 0x04: /* overflow */
@ -1352,6 +1354,9 @@ NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
case 0x0c: /* stack fault */
int_rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
break;
case 0x0d: /* general protection fault */
int_rec.ExceptionCode = EXCEPTION_PRIV_INSTRUCTION;
break;
case 0x29: /* __fastfail */
int_rec.ExceptionCode = STATUS_STACK_BUFFER_OVERRUN;
int_rec.ExceptionFlags = EH_NONCONTINUABLE;
@ -1360,7 +1365,7 @@ NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
first_chance = FALSE;
break;
case 0x2d: /* debug service */
ctx32.i386.Eip++;
ctx32.i386.Eip += 3;
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
int_rec.ExceptionCode = EXCEPTION_BREAKPOINT;
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
@ -1368,8 +1373,6 @@ NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
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;