diff options
author | Kostya Serebryany <kcc@google.com> | 2014-12-30 19:55:04 +0000 |
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committer | Kostya Serebryany <kcc@google.com> | 2014-12-30 19:55:04 +0000 |
commit | f04c72a1de7b99e2e239c6eeeb02943a8a3ab33d (patch) | |
tree | 66af3673e8e541defe799596d8a4575a2459baa7 /lib/sanitizer_common | |
parent | f72f42958663a578dad99c2406285fac5c84986e (diff) |
[asan] add flag coverage_pcs. When false, the coverage is not dumped as PCs. Useful e.g. if the user only needs coverage is bitset
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@225002 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common')
-rw-r--r-- | lib/sanitizer_common/sanitizer_coverage_libcdep.cc | 1 | ||||
-rw-r--r-- | lib/sanitizer_common/sanitizer_flags.cc | 4 | ||||
-rw-r--r-- | lib/sanitizer_common/sanitizer_flags.h | 1 |
3 files changed, 6 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_coverage_libcdep.cc b/lib/sanitizer_common/sanitizer_coverage_libcdep.cc index e28a6aee3..eb69172c7 100644 --- a/lib/sanitizer_common/sanitizer_coverage_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_coverage_libcdep.cc @@ -509,6 +509,7 @@ static void CovDump() { if (atomic_fetch_add(&dump_once_guard, 1, memory_order_relaxed)) return; CovDumpAsBitSet(); + if (!common_flags()->coverage_pcs) return; uptr size = coverage_data.size(); InternalMmapVector<u32> offsets(size); uptr *vb = coverage_data.data(); diff --git a/lib/sanitizer_common/sanitizer_flags.cc b/lib/sanitizer_common/sanitizer_flags.cc index 7cc5cfecc..3b1ec70fb 100644 --- a/lib/sanitizer_common/sanitizer_flags.cc +++ b/lib/sanitizer_common/sanitizer_flags.cc @@ -63,6 +63,7 @@ void CommonFlags::SetDefaults() { legacy_pthread_cond = false; intercept_tls_get_addr = false; coverage = false; + coverage_pcs = true; // On by default, but works only if coverage==true. coverage_bitset = false; coverage_direct = SANITIZER_ANDROID; coverage_dir = "."; @@ -151,6 +152,9 @@ void CommonFlags::ParseFromString(const char *str) { ParseFlag(str, &coverage, "coverage", "If set, coverage information will be dumped at program shutdown (if the " "coverage instrumentation was enabled at compile time)."); + ParseFlag(str, &coverage_pcs, "coverage_pcs", + "If set (and if 'coverage' is set too), the coverage information " + "will be dumped as a set of PC offsets for every module."); ParseFlag(str, &coverage_bitset, "coverage_bitset", "If set (and if 'coverage' is set too), the coverage information " "will also be dumped as a bitset to a separate file."); diff --git a/lib/sanitizer_common/sanitizer_flags.h b/lib/sanitizer_common/sanitizer_flags.h index 6d251b40e..8718089ae 100644 --- a/lib/sanitizer_common/sanitizer_flags.h +++ b/lib/sanitizer_common/sanitizer_flags.h @@ -56,6 +56,7 @@ struct CommonFlags { uptr mmap_limit_mb; uptr hard_rss_limit_mb; bool coverage; + bool coverage_pcs; bool coverage_bitset; bool coverage_direct; const char *coverage_dir; |