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[UBSan] Parse common runtime flags before using a symbolizer 

llvm-svn: 201217
This commit is contained in:
Alexey Samsonov 2014-02-12 08:21:44 +00:00
parent 5b3a6bd370
commit c34a997669
1 changed files with 19 additions and 0 deletions
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19
compiler-rt/lib/ubsan/ubsan_diag.cc
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@ -13,6 +13,7 @@
#include "ubsan_diag.h"
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_report_decorator.h"
#include "sanitizer_common/sanitizer_stacktrace.h"
@ -21,6 +22,22 @@
using namespace __ubsan;
static void InitializeSanitizerCommon() {
static StaticSpinMutex init_mu;
SpinMutexLock l(&init_mu);
static bool initialized;
if (initialized)
return;
if (0 == internal_strcmp(SanitizerToolName, "SanitizerTool")) {
// UBSan is run in a standalone mode. Initialize it now.
SanitizerToolName = "UndefinedBehaviorSanitizer";
CommonFlags *cf = common_flags();
SetCommonFlagsDefaults(cf);
cf->print_summary = false;
}
initialized = true;
}
Location __ubsan::getCallerLocation(uptr CallerLoc) {
if (!CallerLoc)
return Location();
@ -32,6 +49,8 @@ Location __ubsan::getCallerLocation(uptr CallerLoc) {
Location __ubsan::getFunctionLocation(uptr Loc, const char **FName) {
if (!Loc)
return Location();
// FIXME: We may need to run initialization earlier.
InitializeSanitizerCommon();
AddressInfo Info;
if (!Symbolizer::GetOrInit()->SymbolizePC(Loc, &Info, 1) ||