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Convert ENABLE_BACKTRACES into a 0/1 definition.

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llvm-svn: 282918
This commit is contained in:
Joerg Sonnenberger 2016-09-30 20:04:24 +00:00
parent 104ce0e4a6
commit 0e3cc3c67c
3 changed files with 14 additions and 14 deletions
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4
llvm/include/llvm/Config/config.h.cmake
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@ -7,8 +7,8 @@
/* Bug report URL. */
#define BUG_REPORT_URL "${BUG_REPORT_URL}"
/* Define if you want backtraces on crash */
#cmakedefine ENABLE_BACKTRACES
/* Define to 1 to enable backtraces, and to 0 otherwise. */
#cmakedefine01 ENABLE_BACKTRACES
/* Define to enable crash overrides */
#cmakedefine ENABLE_CRASH_OVERRIDES

16
llvm/lib/Support/PrettyStackTrace.cpp
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@ -32,7 +32,7 @@ using namespace llvm;
// If backtrace support is not enabled, compile out support for pretty stack
// traces. This has the secondary effect of not requiring thread local storage
// when backtrace support is disabled.
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
// We need a thread local pointer to manage the stack of our stack trace
// objects, but we *really* cannot tolerate destructors running and do not want
@ -122,11 +122,11 @@ static void CrashHandler(void *) {
#endif
}
// defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
// defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
#endif
PrettyStackTraceEntry::PrettyStackTraceEntry() {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
// Link ourselves.
NextEntry = PrettyStackTraceHead;
PrettyStackTraceHead = this;
@ -134,7 +134,7 @@ PrettyStackTraceEntry::PrettyStackTraceEntry() {
}
PrettyStackTraceEntry::~PrettyStackTraceEntry() {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
assert(PrettyStackTraceHead == this &&
"Pretty stack trace entry destruction is out of order");
PrettyStackTraceHead = NextEntry;
@ -153,7 +153,7 @@ void PrettyStackTraceProgram::print(raw_ostream &OS) const {
OS << '\n';
}
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
static bool RegisterCrashPrinter() {
sys::AddSignalHandler(CrashHandler, nullptr);
return false;
@ -161,7 +161,7 @@ static bool RegisterCrashPrinter() {
#endif
void llvm::EnablePrettyStackTrace() {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
// The first time this is called, we register the crash printer.
static bool HandlerRegistered = RegisterCrashPrinter();
(void)HandlerRegistered;
@ -169,7 +169,7 @@ void llvm::EnablePrettyStackTrace() {
}
const void *llvm::SavePrettyStackState() {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
return PrettyStackTraceHead;
#else
return nullptr;
@ -177,7 +177,7 @@ const void *llvm::SavePrettyStackState() {
}
void llvm::RestorePrettyStackState(const void *Top) {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES
PrettyStackTraceHead =
static_cast<PrettyStackTraceEntry *>(const_cast<void *>(Top));
#endif

8
llvm/lib/Support/Unix/Signals.inc
View File

@ -298,7 +298,7 @@ void llvm::sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
RegisterHandlers();
}
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES) && HAVE_LINK_H && \
#if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES && HAVE_LINK_H && \
(defined(__linux__) || defined(__FreeBSD__) || \
defined(__FreeBSD_kernel__) || defined(__NetBSD__))
struct DlIteratePhdrData {
@ -353,9 +353,9 @@ static bool findModulesAndOffsets(void **StackTrace, int Depth,
StringSaver &StrPool) {
return false;
}
#endif // defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES) && ...
#endif // defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES && ...
#if defined(ENABLE_BACKTRACES) && defined(HAVE__UNWIND_BACKTRACE)
#if ENABLE_BACKTRACES && defined(HAVE__UNWIND_BACKTRACE)
static int unwindBacktrace(void **StackTrace, int MaxEntries) {
if (MaxEntries < 0)
return 0;
@ -393,7 +393,7 @@ static int unwindBacktrace(void **StackTrace, int MaxEntries) {
// On glibc systems we have the 'backtrace' function, which works nicely, but
// doesn't demangle symbols.
void llvm::sys::PrintStackTrace(raw_ostream &OS) {
#if defined(ENABLE_BACKTRACES)
#if ENABLE_BACKTRACES
static void *StackTrace[256];
int depth = 0;
#if defined(HAVE_BACKTRACE)