mach-engine: Rudimentary support for crashing applications

SimonKagstrom · Apr 24, 2024 · ce4a8a1 · ce4a8a1
1 parent cbc903b
commit ce4a8a1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/engines/mach-engine.cc b/src/engines/mach-engine.cc
@@ -159,11 +159,17 @@ class MachEngine : public IEngine
  mach_exception_data_t codes,
  mach_msg_type_number_t num_codes)
  {
+ kcov_debug(BP_MSG, "Mach exception 0x%x, 0x%llx\n", exception_type, codes[0]);
  if (exception_type == EXC_SOFTWARE && codes[0] == EXC_SOFT_SIGNAL)
  {
  // Forward signals
  ptrace(PT_THUPDATE, m_pid, (caddr_t)(uintptr_t)thread_port, codes[1]);
  }
+ else if (exception_type == EXC_BAD_ACCESS)
+ {
+ m_listener->onEvent(IEngine::Event(ev_signal, codes[0], 0));
+ return KERN_ABORTED;
+ }
  else if (exception_type == EXC_BREAKPOINT)
  {
  uint64_t regs[128];