- ARM instructions are 4 bytes long, not 1, so decrement the PC by four during breakpoints (so the caller gets the address of the previous instruction, just like on x86).

svn path=/trunk/; revision=34485
2024-07-09 06:05:11 +00:00 · 2008-07-14 00:24:33 +00:00 · 2008-07-14 00:24:33 +00:00 · a8ee5682c5
parent cc7f0be786
commit a8ee5682c5
1 changed files with 2 additions and 2 deletions
--- a/reactos/ntoskrnl/ke/arm/exp.c
+++ b/reactos/ntoskrnl/ke/arm/exp.c
@ -213,9 +213,9 @@ KiDispatchException(IN PEXCEPTION_RECORD ExceptionRecord,
        case STATUS_BREAKPOINT:
            
            //
-            // Decrement PC by one
+            // We want the instruction right before the int 3
            //
-            Context.Pc--;
+            Context.Pc -= sizeof(ULONG);
            break;
            
        //