Special casing some VC++ traps.

2014-07-08 16:01:40 -07:00
parent ef75042f38
commit 2a68a1b35b
7 changed files with 47 additions and 21 deletions
--- a/src/alloy/backend/ivm/ivm_intcode.cc
+++ b/src/alloy/backend/ivm/ivm_intcode.cc
@@ -309,8 +309,15 @@ int Translate_DEBUG_BREAK_TRUE(TranslationContext& ctx, Instr* i) {
 }

 uint32_t IntCode_TRAP(IntCodeState& ics, const IntCode* i) {
-  // 0x0FE00014 is a 'debug print' where r3 = buffer r4 = length
  // TODO(benvanik): post software interrupt to debugger.
+  switch (i->flags) {
+  case 20:
+    // 0x0FE00014 is a 'debug print' where r3 = buffer r4 = length
+    break;
+  case 22:
+    // Always trap?
+    break;
+  }
  __debugbreak();
  return IA_NEXT;
 }