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| author | Kostya Serebryany <kcc@google.com> | 2016-09-14 01:39:49 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2016-09-14 01:39:49 +0000 |
| commit | 60cdd6113f5c94f2cf076008ff46e024b35da300 (patch) | |
| tree | 7f15c6572825f8d55c74facd7339bf89837ce3f7 /clang/lib/Driver/SanitizerArgs.cpp | |
| parent | da718e55cf0bd5f5f2ee5e288ecd707361c46a02 (diff) | |
| download | bcm5719-llvm-60cdd6113f5c94f2cf076008ff46e024b35da300.tar.gz bcm5719-llvm-60cdd6113f5c94f2cf076008ff46e024b35da300.zip | |
[sanitizer-coverage] add yet another flavour of coverage instrumentation: trace-pc-guard. The intent is to eventually replace all of {bool coverage, 8bit-counters, trace-pc} with just this one. Clang part
llvm-svn: 281432
Diffstat (limited to 'clang/lib/Driver/SanitizerArgs.cpp')
| -rw-r--r-- | clang/lib/Driver/SanitizerArgs.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp index 5c9abd1ddc8..8ba8e53e007 100644 --- a/clang/lib/Driver/SanitizerArgs.cpp +++ b/clang/lib/Driver/SanitizerArgs.cpp @@ -53,6 +53,7 @@ enum CoverageFeature { CoverageTraceGep = 1 << 7, Coverage8bitCounters = 1 << 8, CoverageTracePC = 1 << 9, + CoverageTracePCGuard = 1 << 10, }; /// Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any @@ -526,7 +527,7 @@ SanitizerArgs::SanitizerArgs(const ToolChain &TC, << "-fsanitize-coverage=8bit-counters" << "-fsanitize-coverage=(func|bb|edge)"; // trace-pc w/o func/bb/edge implies edge. - if ((CoverageFeatures & CoverageTracePC) && + if ((CoverageFeatures & (CoverageTracePC | CoverageTracePCGuard)) && !(CoverageFeatures & CoverageTypes)) CoverageFeatures |= CoverageEdge; @@ -620,7 +621,8 @@ void SanitizerArgs::addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args, std::make_pair(CoverageTraceDiv, "-fsanitize-coverage-trace-div"), std::make_pair(CoverageTraceGep, "-fsanitize-coverage-trace-gep"), std::make_pair(Coverage8bitCounters, "-fsanitize-coverage-8bit-counters"), - std::make_pair(CoverageTracePC, "-fsanitize-coverage-trace-pc")}; + std::make_pair(CoverageTracePC, "-fsanitize-coverage-trace-pc"), + std::make_pair(CoverageTracePCGuard, "-fsanitize-coverage-trace-pc-guard")}; for (auto F : CoverageFlags) { if (CoverageFeatures & F.first) CmdArgs.push_back(Args.MakeArgString(F.second)); @@ -760,6 +762,7 @@ int parseCoverageFeatures(const Driver &D, const llvm::opt::Arg *A) { .Case("trace-gep", CoverageTraceGep) .Case("8bit-counters", Coverage8bitCounters) .Case("trace-pc", CoverageTracePC) + .Case("trace-pc-guard", CoverageTracePCGuard) .Default(0); if (F == 0) D.Diag(clang::diag::err_drv_unsupported_option_argument) |
