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| author | vanhauser-thc <vh@thc.org> | 2024-02-02 13:17:20 +0100 |
|---|---|---|
| committer | vanhauser-thc <vh@thc.org> | 2024-02-02 13:17:20 +0100 |
| commit | ba3a039e457025399f7b58905d3923d068ef0eef (patch) | |
| tree | bf3d583860f65648c2614b738453cdb3e884d677 | |
| parent | bd13d32437ebf0c1f7304dc4c8f9797dc4cce7fb (diff) | |
| download | afl++-ba3a039e457025399f7b58905d3923d068ef0eef.tar.gz | |
finish lto-ctx
| -rw-r--r-- | instrumentation/SanitizerCoverageLTO.so.cc | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/instrumentation/SanitizerCoverageLTO.so.cc b/instrumentation/SanitizerCoverageLTO.so.cc index 31d26ca3..65602109 100644 --- a/instrumentation/SanitizerCoverageLTO.so.cc +++ b/instrumentation/SanitizerCoverageLTO.so.cc @@ -250,7 +250,7 @@ class ModuleSanitizerCoverageLTO uint32_t afl_global_id = 0; uint32_t unhandled = 0; uint32_t select_cnt = 0; - uint32_t instrument_ctx = 1; + uint32_t instrument_ctx = 0; uint32_t extra_ctx_inst = 0; uint64_t map_addr = 0; const char *skip_nozero = NULL; @@ -771,12 +771,12 @@ bool ModuleSanitizerCoverageLTO::instrumentModule( else Str2 = TmpStr.str(); - if (debug) + /*if (debug) fprintf(stderr, "F:%s %p(%s)->\"%s\"(%s) %p(%s)->\"%s\"(%s)\n", FuncName.c_str(), Str1P, Str1P->getName().str().c_str(), Str1.c_str(), HasStr1 == true ? "true" : "false", Str2P, Str2P->getName().str().c_str(), Str2.c_str(), - HasStr2 == true ? "true" : "false"); + HasStr2 == true ? "true" : "false");*/ // we handle the 2nd parameter first because of llvm memcpy if (!HasStr2) { @@ -1398,10 +1398,7 @@ void ModuleSanitizerCoverageLTO::instrumentFunction( CTX_add = NULL; - if (debug) - fprintf(stderr, - "Function: %s (%u %u) XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n", - F.getName().str().c_str(), inst, afl_global_id); + if (debug) fprintf(stderr, "Function: %s\n", F.getName().str().c_str()); if (instrument_ctx) { @@ -1613,7 +1610,6 @@ void ModuleSanitizerCoverageLTO::instrumentFunction( } - // bool loaded = false, multicall = false; for (auto &IN : BB) { // check all calls and where callee count == 1 instrument @@ -1627,15 +1623,14 @@ void ModuleSanitizerCoverageLTO::instrumentFunction( fprintf(stderr, "DEBUG: %s call to %s with only one caller\n", F.getName().str().c_str(), Callee->getName().str().c_str()); - /* if (loaded == false || multicall == true) { // } */ + IRBuilder<> Builder(IN.getContext()); Builder.SetInsertPoint(callInst); StoreInst *StoreCtx = Builder.CreateStore(PrevCtxLoad, AFLContext); StoreCtx->setMetadata("nosanitize", N); - // multicall = false; loaded = true; - } // else { multicall = true; } + } } |