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| author | Kuba Brecka <kuba.brecka@gmail.com> | 2015-11-13 20:47:29 +0000 |
|---|---|---|
| committer | Kuba Brecka <kuba.brecka@gmail.com> | 2015-11-13 20:47:29 +0000 |
| commit | b3d951765ae9be108e3b8f6e8223a5fe8eeb1939 (patch) | |
| tree | 1affd30a7da5948e470354b03de207cf2ef79213 /lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc | |
| parent | 693df74a1a33541d4e2a97b5c4ee38c4289ca11e (diff) | |
[tsan] Don't demangle names not starting with "_Z"
I noticed that when a symbol is named just "x", it gets demangled to "long long". On POSIX, AFAIK, mangled names always start with "_Z", so lets just require that.
Differential Revision: http://reviews.llvm.org/D14637
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@253080 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc b/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc index a19b0a678..c4bc9b8d9 100644 --- a/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc @@ -48,6 +48,9 @@ namespace __sanitizer { // Attempts to demangle the name via __cxa_demangle from __cxxabiv1. const char *DemangleCXXABI(const char *name) { + if (name[0] != '_' || name[1] != 'Z') + return name; + // FIXME: __cxa_demangle aggressively insists on allocating memory. // There's not much we can do about that, short of providing our // own demangler (libc++abi's implementation could be adapted so that |