X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FPrettyStackTrace.cpp;h=23ee5ab105aec8316f598e42b261f2a4d4297bd2;hb=d5e1be03eda2e8036f136fdf12a5f5d9e1e684d8;hp=e01c491fb3ab85ee955c24a8e46641121e00bc7b;hpb=654dee487555a3cf21bcbca38ef5a2687fd18ea7;p=oota-llvm.git diff --git a/lib/Support/PrettyStackTrace.cpp b/lib/Support/PrettyStackTrace.cpp index e01c491fb3a..23ee5ab105a 100644 --- a/lib/Support/PrettyStackTrace.cpp +++ b/lib/Support/PrettyStackTrace.cpp @@ -8,16 +8,17 @@ //===----------------------------------------------------------------------===// // // This file defines some helpful functions for dealing with the possibility of -// Unix signals occuring while your program is running. +// Unix signals occurring while your program is running. // //===----------------------------------------------------------------------===// -#include "llvm/Config/config.h" // Get autoconf configuration settings #include "llvm/Support/PrettyStackTrace.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/System/Signals.h" -#include "llvm/System/ThreadLocal.h" #include "llvm/ADT/SmallString.h" +#include "llvm/Config/config.h" // Get autoconf configuration settings +#include "llvm/Support/Signals.h" +#include "llvm/Support/ThreadLocal.h" +#include "llvm/Support/Watchdog.h" +#include "llvm/Support/raw_ostream.h" #ifdef HAVE_CRASHREPORTERCLIENT_H #include @@ -37,7 +38,10 @@ static unsigned PrintStack(const PrettyStackTraceEntry *Entry, raw_ostream &OS){ if (Entry->getNextEntry()) NextID = PrintStack(Entry->getNextEntry(), OS); OS << NextID << ".\t"; - Entry->print(OS); + { + sys::Watchdog W(5); + Entry->print(OS); + } return NextID+1; } @@ -54,8 +58,17 @@ static void PrintCurStackTrace(raw_ostream &OS) { OS.flush(); } -// Integrate with crash reporter. -#if defined (__APPLE__) && !defined (HAVE_CRASHREPORTERCLIENT_H) +// Integrate with crash reporter libraries. +#if defined (__APPLE__) && HAVE_CRASHREPORTERCLIENT_H +// If any clients of llvm try to link to libCrashReporterClient.a themselves, +// only one crash info struct will be used. +extern "C" { +CRASH_REPORTER_CLIENT_HIDDEN +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; asm(".desc ___crashreporter_info__, 0x10"); #endif @@ -63,7 +76,7 @@ asm(".desc ___crashreporter_info__, 0x10"); /// CrashHandler - This callback is run if a fatal signal is delivered to the /// process, it prints the pretty stack trace. -static void CrashHandler(void *Cookie) { +static void CrashHandler(void *) { #ifndef __APPLE__ // On non-apple systems, just emit the crash stack trace to stderr. PrintCurStackTrace(errs()); @@ -77,10 +90,11 @@ static void CrashHandler(void *Cookie) { } if (!TmpStr.empty()) { -#ifndef HAVE_CRASHREPORTERCLIENT_H +#ifdef HAVE_CRASHREPORTERCLIENT_H + // Cast to void to avoid warning. + (void)CRSetCrashLogMessage(std::string(TmpStr.str()).c_str()); +#elif HAVE_CRASHREPORTER_INFO __crashreporter_info__ = strdup(std::string(TmpStr.str()).c_str()); -#else - CRSetCrashLogMessage(std::string(TmpStr.str()).c_str()); #endif errs() << TmpStr.str(); } @@ -97,7 +111,7 @@ static bool RegisterCrashPrinter() { PrettyStackTraceEntry::PrettyStackTraceEntry() { // The first time this is called, we register the crash printer. static bool HandlerRegistered = RegisterCrashPrinter(); - HandlerRegistered = HandlerRegistered; + (void)HandlerRegistered; // Link ourselves. NextEntry = PrettyStackTraceHead.get(); @@ -121,4 +135,3 @@ void PrettyStackTraceProgram::print(raw_ostream &OS) const { OS << ArgV[i] << ' '; OS << '\n'; } -