diff options
| -rw-r--r-- | libsanitizer/ubsan/ubsan_diag.cc | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/libsanitizer/ubsan/ubsan_diag.cc b/libsanitizer/ubsan/ubsan_diag.cc index dac0937e819..9adfb6b21fc 100644 --- a/libsanitizer/ubsan/ubsan_diag.cc +++ b/libsanitizer/ubsan/ubsan_diag.cc @@ -25,11 +25,7 @@ using namespace __ubsan; -static void MaybePrintStackTrace(uptr pc, uptr bp) { - // We assume that flags are already parsed, as UBSan runtime - // will definitely be called when we print the first diagnostics message. - if (!flags()->print_stacktrace) - return; +static void PrintStackTrace(uptr pc, uptr bp) { // We can only use slow unwind, as we don't have any information about stack // top/bottom. // FIXME: It's better to respect "fast_unwind_on_fatal" runtime flag and @@ -42,6 +38,15 @@ static void MaybePrintStackTrace(uptr pc, uptr bp) { stack.Print(); } +static void MaybePrintStackTrace(uptr pc, uptr bp) { + // We assume that flags are already parsed, as UBSan runtime + // will definitely be called when we print the first diagnostics message. + if (!flags()->print_stacktrace) + return; + + PrintStackTrace(pc, bp); +} + static const char *ConvertTypeToString(ErrorType Type) { switch (Type) { #define UBSAN_CHECK(Name, SummaryKind, FSanitizeFlagName) \ @@ -476,4 +481,13 @@ bool __ubsan::IsISanFunctionCheckSuppressed(ReportOptions *Opts) { return false; } +extern "C" SANITIZER_INTERFACE_ATTRIBUTE +void __sanitizer_print_stack_trace() { + using namespace __ubsan; + + GET_REPORT_OPTIONS(false); + + PrintStackTrace(Opts.pc, Opts.bp); +} + #endif // CAN_SANITIZE_UB |