maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Remove old CrashTracer cruft from CIndex. 

llvm-svn: 117634
This commit is contained in:
Ted Kremenek 2010-10-29 01:06:50 +00:00
parent b101af04b4
commit 55ccf4e81f
1 changed files with 1 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
clang/tools/libclang/CIndex.cpp
View File

@ -48,90 +48,6 @@ using namespace clang;
using namespace clang::cxcursor;
using namespace clang::cxstring;
//===----------------------------------------------------------------------===//
// Crash Reporting.
//===----------------------------------------------------------------------===//
#ifdef USE_CRASHTRACER
#include "clang/Analysis/Support/SaveAndRestore.h"
// Integrate with crash reporter.
static const char *__crashreporter_info__ = 0;
asm(".desc ___crashreporter_info__, 0x10");
#define NUM_CRASH_STRINGS 32
static unsigned crashtracer_counter = 0;
static unsigned crashtracer_counter_id[NUM_CRASH_STRINGS] = { 0 };
static const char *crashtracer_strings[NUM_CRASH_STRINGS] = { 0 };
static const char *agg_crashtracer_strings[NUM_CRASH_STRINGS] = { 0 };
static unsigned SetCrashTracerInfo(const char *str,
llvm::SmallString<1024> &AggStr) {
unsigned slot = 0;
while (crashtracer_strings[slot]) {
if (++slot == NUM_CRASH_STRINGS)
slot = 0;
}
crashtracer_strings[slot] = str;
crashtracer_counter_id[slot] = ++crashtracer_counter;
// We need to create an aggregate string because multiple threads
// may be in this method at one time. The crash reporter string
// will attempt to overapproximate the set of in-flight invocations
// of this function. Race conditions can still cause this goal
// to not be achieved.
{
llvm::raw_svector_ostream Out(AggStr);
for (unsigned i = 0; i < NUM_CRASH_STRINGS; ++i)
if (crashtracer_strings[i]) Out << crashtracer_strings[i] << '\n';
}
__crashreporter_info__ = agg_crashtracer_strings[slot] = AggStr.c_str();
return slot;
}
static void ResetCrashTracerInfo(unsigned slot) {
unsigned max_slot = 0;
unsigned max_value = 0;
crashtracer_strings[slot] = agg_crashtracer_strings[slot] = 0;
for (unsigned i = 0 ; i < NUM_CRASH_STRINGS; ++i)
if (agg_crashtracer_strings[i] &&
crashtracer_counter_id[i] > max_value) {
max_slot = i;
max_value = crashtracer_counter_id[i];
}
__crashreporter_info__ = agg_crashtracer_strings[max_slot];
}
namespace {
class ArgsCrashTracerInfo {
llvm::SmallString<1024> CrashString;
llvm::SmallString<1024> AggregateString;
unsigned crashtracerSlot;
public:
ArgsCrashTracerInfo(llvm::SmallVectorImpl<const char*> &Args)
: crashtracerSlot(0)
{
{
llvm::raw_svector_ostream Out(CrashString);
Out << "ClangCIndex [" << getClangFullVersion() << "]"
<< "[createTranslationUnitFromSourceFile]: clang";
for (llvm::SmallVectorImpl<const char*>::iterator I=Args.begin(),
E=Args.end(); I!=E; ++I)
Out << ' ' << *I;
}
crashtracerSlot = SetCrashTracerInfo(CrashString.c_str(),
AggregateString);
}
~ArgsCrashTracerInfo() {
ResetCrashTracerInfo(crashtracerSlot);
}
};
}
#endif
/// \brief The result of comparing two source ranges.
enum RangeComparisonResult {
/// \brief Either the ranges overlap or one of the ranges is invalid.
@ -2074,11 +1990,6 @@ static void clang_parseTranslationUnit_Impl(void *UserData) {
}
unsigned NumErrors = Diags->getNumErrors();
#ifdef USE_CRASHTRACER
ArgsCrashTracerInfo ACTI(Args);
#endif
llvm::OwningPtr<ASTUnit> Unit(
ASTUnit::LoadFromCommandLine(Args.data(), Args.data() + Args.size(),
Diags,
@ -2233,6 +2144,7 @@ int clang_reparseTranslationUnit(CXTranslationUnit TU,
return 1;
}
return RTUI.result;
}