summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Support/PrettyStackTrace.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Support/PrettyStackTrace.cpp')
-rw-r--r--llvm/lib/Support/PrettyStackTrace.cpp26
1 files changed, 21 insertions, 5 deletions
diff --git a/llvm/lib/Support/PrettyStackTrace.cpp b/llvm/lib/Support/PrettyStackTrace.cpp
index f49eb0a99a7..e14dbc1b56c 100644
--- a/llvm/lib/Support/PrettyStackTrace.cpp
+++ b/llvm/lib/Support/PrettyStackTrace.cpp
@@ -88,12 +88,12 @@ struct crashreporter_annotations_t gCRAnnotations
__attribute__((section("__DATA," CRASHREPORTER_ANNOTATIONS_SECTION)))
= { CRASHREPORTER_ANNOTATIONS_VERSION, 0, 0, 0, 0, 0, 0 };
}
-#elif defined (__APPLE__) && HAVE_CRASHREPORTER_INFO
-static const char *__crashreporter_info__ = 0;
+#elif defined(__APPLE__) && HAVE_CRASHREPORTER_INFO
+extern "C" const char *__crashreporter_info__
+ __attribute__((visibility("hidden"))) = 0;
asm(".desc ___crashreporter_info__, 0x10");
#endif
-
/// CrashHandler - This callback is run if a fatal signal is delivered to the
/// process, it prints the pretty stack trace.
static void CrashHandler(void *) {
@@ -141,10 +141,26 @@ PrettyStackTraceEntry::~PrettyStackTraceEntry() {
#endif
}
-void PrettyStackTraceString::print(raw_ostream &OS) const {
- OS << Str << "\n";
+void PrettyStackTraceString::print(raw_ostream &OS) const { OS << Str << "\n"; }
+
+PrettyStackTraceFormat::PrettyStackTraceFormat(const char *Format, ...) {
+ va_list AP;
+ va_start(AP, Format);
+ const int SizeOrError = vsnprintf(nullptr, 0, Format, AP);
+ va_end(AP);
+ if (SizeOrError < 0) {
+ return;
+ }
+
+ const int Size = SizeOrError + 1; // '\0'
+ Str.resize(Size);
+ va_start(AP, Format);
+ vsnprintf(Str.data(), Size, Format, AP);
+ va_end(AP);
}
+void PrettyStackTraceFormat::print(raw_ostream &OS) const { OS << Str << "\n"; }
+
void PrettyStackTraceProgram::print(raw_ostream &OS) const {
OS << "Program arguments: ";
// Print the argument list.
OpenPOWER on IntegriCloud