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| author | Francis Ricci <francisjricci@gmail.com> | 2017-01-07 00:31:20 +0000 |
|---|---|---|
| committer | Francis Ricci <francisjricci@gmail.com> | 2017-01-07 00:31:20 +0000 |
| commit | 4ef2dc3fe6295e56f6e24772065b82c5b39b48ad (patch) | |
| tree | 16bf179d5e0904b38d786ab396e62f268e60a321 | |
| parent | df51fce5c0ce1c5ec843300349b174e527794122 (diff) | |
| download | compiler-rt-4ef2dc3fe6295e56f6e24772065b82c5b39b48ad.tar.gz | |
Provide default implementations for sanitizer interface functions
Summary:
Adds a few default implementations for weak
interface functions on platforms where weak hooks are not supported.
Reviewers: eugenis, samsonov, timurrrr
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D28201
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@291313 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/lsan/lsan_allocator.cc | 13 | ||||
| -rw-r--r-- | lib/lsan/lsan_common.cc | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/lsan/lsan_allocator.cc b/lib/lsan/lsan_allocator.cc index 1f6efc0f8..c805a39e1 100644 --- a/lib/lsan/lsan_allocator.cc +++ b/lib/lsan/lsan_allocator.cc @@ -258,4 +258,17 @@ SANITIZER_INTERFACE_ATTRIBUTE uptr __sanitizer_get_allocated_size(const void *p) { return GetMallocUsableSize(p); } + +#if !SANITIZER_SUPPORTS_WEAK_HOOKS +// Provide default (no-op) implementation of malloc hooks. +SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE +void __sanitizer_malloc_hook(void *ptr, uptr size) { + (void)ptr; + (void)size; +} +SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE +void __sanitizer_free_hook(void *ptr) { + (void)ptr; +} +#endif } // extern "C" diff --git a/lib/lsan/lsan_common.cc b/lib/lsan/lsan_common.cc index b20941ef2..f0554526b 100644 --- a/lib/lsan/lsan_common.cc +++ b/lib/lsan/lsan_common.cc @@ -758,5 +758,10 @@ SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE int __lsan_is_turned_off() { return 0; } + +SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE +const char *__lsan_default_suppressions() { + return ""; +} #endif } // extern "C" |