[PATCH] D68603: [sanitizer] Print SIGTRAP for corresponding signal

[Vitaly Buka via Phabricator via llvm-commits]

vitalybuka created this revision.
vitalybuka added a reviewer: eugenis.
Herald added a reviewer: jfb.
Herald added projects: Sanitizers, LLVM.
Herald added subscribers: llvm-commits, Sanitizers.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D68603

Files:
  compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
  compiler-rt/test/sanitizer_common/TestCases/Linux/signal_trap.cpp


Index: compiler-rt/test/sanitizer_common/TestCases/Linux/signal_trap.cpp
===================================================================
--- /dev/null
+++ compiler-rt/test/sanitizer_common/TestCases/Linux/signal_trap.cpp
@@ -0,0 +1,8 @@
+// RUN: %clangxx -O1 %s -o %t && %env_tool_opts=handle_sigtrap=2 not %run %t 2>&1 | FileCheck %s
+
+int main() {
+  __builtin_debugtrap();
+}
+
+// CHECK: Sanitizer:DEADLYSIGNAL
+// CHECK: Sanitizer: SIGTRAP on unknown address
Index: compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
@@ -312,6 +312,8 @@
       return "SEGV";
     case SIGBUS:
       return "BUS";
+    case SIGTRAP:
+      return "SIGTRAP";
   }
   return "UNKNOWN SIGNAL";
 }


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