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authorKostya Serebryany <kcc@google.com>2017-08-04 23:49:53 +0000
committerKostya Serebryany <kcc@google.com>2017-08-04 23:49:53 +0000
commita84a6c1e484e40a2b37c0f95cc9c88a466c078d7 (patch)
treeb23a864a7c8bd676ced13a4515de10e253df9866 /llvm/lib/Fuzzer/FuzzerLoop.cpp
parent4a8a0a2a88df617e002d62034849db8b432092c6 (diff)
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[libFuzzer] use the in-binary pc table (instead of PCs captured at run-time) to implement -exit_on_src_pos
llvm-svn: 310151
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerLoop.cpp')
-rw-r--r--llvm/lib/Fuzzer/FuzzerLoop.cpp11
1 files changed, 5 insertions, 6 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerLoop.cpp b/llvm/lib/Fuzzer/FuzzerLoop.cpp
index 41fd213..2064783 100644
--- a/llvm/lib/Fuzzer/FuzzerLoop.cpp
+++ b/llvm/lib/Fuzzer/FuzzerLoop.cpp
@@ -328,17 +328,16 @@ void Fuzzer::SetMaxMutationLen(size_t MaxMutationLen) {
void Fuzzer::CheckExitOnSrcPosOrItem() {
if (!Options.ExitOnSrcPos.empty()) {
static auto *PCsSet = new std::set<uintptr_t>;
- for (size_t i = 1, N = TPC.GetNumPCs(); i < N; i++) {
- uintptr_t PC = TPC.GetPC(i);
- if (!PC) continue;
- if (!PCsSet->insert(PC).second) continue;
- std::string Descr = DescribePC("%L", PC);
+ auto HandlePC = [&](uintptr_t PC) {
+ if (!PCsSet->insert(PC).second) return;
+ std::string Descr = DescribePC("%F %L", PC + 1);
if (Descr.find(Options.ExitOnSrcPos) != std::string::npos) {
Printf("INFO: found line matching '%s', exiting.\n",
Options.ExitOnSrcPos.c_str());
_Exit(0);
}
- }
+ };
+ TPC.ForEachObservedPC(HandlePC);
}
if (!Options.ExitOnItem.empty()) {
if (Corpus.HasUnit(Options.ExitOnItem)) {