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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-06-09 00:53:21 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-06-09 00:53:21 +0000 |
| commit | 2ad6d48b0c631d7fa8416c07f8b47f167cfd2fd8 (patch) | |
| tree | 3d828acb25a67cb8ec584877faa300c9c8ae2289 /llvm/lib/Support/Unix/Signals.inc | |
| parent | 6d1d27542fd66465f5e1e3e4248910b15f47a8b2 (diff) | |
| download | bcm5719-llvm-2ad6d48b0c631d7fa8416c07f8b47f167cfd2fd8.tar.gz bcm5719-llvm-2ad6d48b0c631d7fa8416c07f8b47f167cfd2fd8.zip | |
Search for llvm-symbolizer binary in the same directory as argv[0], before
looking for it along $PATH. This allows installs of LLVM tools outside of
$PATH to find the symbolizer and produce pretty backtraces if they crash.
llvm-svn: 272232
Diffstat (limited to 'llvm/lib/Support/Unix/Signals.inc')
| -rw-r--r-- | llvm/lib/Support/Unix/Signals.inc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Support/Unix/Signals.inc b/llvm/lib/Support/Unix/Signals.inc index b49b8aae4ff..117d4e8bcb5 100644 --- a/llvm/lib/Support/Unix/Signals.inc +++ b/llvm/lib/Support/Unix/Signals.inc @@ -68,6 +68,8 @@ static void (*InterruptFunction)() = nullptr; static ManagedStatic<std::vector<std::string>> FilesToRemove; +static StringRef Argv0; + // IntSigs - Signals that represent requested termination. There's no bug // or failure, or if there is, it's not our direct responsibility. For whatever // reason, our continued execution is no longer desirable. @@ -408,7 +410,7 @@ void llvm::sys::PrintStackTrace(raw_ostream &OS) { if (!depth) return; - if (printSymbolizedStackTrace(StackTrace, depth, OS)) + if (printSymbolizedStackTrace(Argv0, StackTrace, depth, OS)) return; #if HAVE_DLFCN_H && __GNUG__ int width = 0; @@ -471,7 +473,10 @@ void llvm::sys::DisableSystemDialogsOnCrash() {} /// PrintStackTraceOnErrorSignal - When an error signal (such as SIGABRT or /// SIGSEGV) is delivered to the process, print a stack trace and then exit. -void llvm::sys::PrintStackTraceOnErrorSignal(bool DisableCrashReporting) { +void llvm::sys::PrintStackTraceOnErrorSignal(StringRef Argv0, + bool DisableCrashReporting) { + ::Argv0 = Argv0; + AddSignalHandler(PrintStackTraceSignalHandler, nullptr); #if defined(__APPLE__) && defined(ENABLE_CRASH_OVERRIDES) |
