[compiler-rt] r291509 - ASAN activate/deactive controls thread_local_quarantine_size_kb option.
Alex Shlyapnikov via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 9 15:49:13 PST 2017
Author: alekseyshl
Date: Mon Jan 9 17:49:13 2017
New Revision: 291509
URL: http://llvm.org/viewvc/llvm-project?rev=291509&view=rev
Log:
ASAN activate/deactive controls thread_local_quarantine_size_kb option.
Modified:
compiler-rt/trunk/lib/asan/asan_activation.cc
compiler-rt/trunk/lib/asan/asan_activation_flags.inc
compiler-rt/trunk/lib/sanitizer_common/sanitizer_quarantine.h
Modified: compiler-rt/trunk/lib/asan/asan_activation.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_activation.cc?rev=291509&r1=291508&r2=291509&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_activation.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_activation.cc Mon Jan 9 17:49:13 2017
@@ -77,12 +77,13 @@ static struct AsanDeactivatedFlags {
void Print() {
Report(
- "quarantine_size_mb %d, max_redzone %d, poison_heap %d, "
- "malloc_context_size %d, alloc_dealloc_mismatch %d, "
- "allocator_may_return_null %d, coverage %d, coverage_dir %s, "
- "allocator_release_to_os_interval_ms %d\n",
- allocator_options.quarantine_size_mb, allocator_options.max_redzone,
- poison_heap, malloc_context_size,
+ "quarantine_size_mb %d, thread_local_quarantine_size_kb %d, "
+ "max_redzone %d, poison_heap %d, malloc_context_size %d, "
+ "alloc_dealloc_mismatch %d, allocator_may_return_null %d, coverage %d, "
+ "coverage_dir %s, allocator_release_to_os_interval_ms %d\n",
+ allocator_options.quarantine_size_mb,
+ allocator_options.thread_local_quarantine_size_kb,
+ allocator_options.max_redzone, poison_heap, malloc_context_size,
allocator_options.alloc_dealloc_mismatch,
allocator_options.may_return_null, coverage, coverage_dir,
allocator_options.release_to_os_interval_ms);
@@ -109,6 +110,7 @@ void AsanDeactivate() {
AllocatorOptions disabled = asan_deactivated_flags.allocator_options;
disabled.quarantine_size_mb = 0;
+ disabled.thread_local_quarantine_size_kb = 0;
disabled.min_redzone = 16; // Redzone must be at least 16 bytes long.
disabled.max_redzone = 16;
disabled.alloc_dealloc_mismatch = false;
Modified: compiler-rt/trunk/lib/asan/asan_activation_flags.inc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_activation_flags.inc?rev=291509&r1=291508&r2=291509&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_activation_flags.inc (original)
+++ compiler-rt/trunk/lib/asan/asan_activation_flags.inc Mon Jan 9 17:49:13 2017
@@ -24,6 +24,7 @@
ASAN_ACTIVATION_FLAG(int, redzone)
ASAN_ACTIVATION_FLAG(int, max_redzone)
ASAN_ACTIVATION_FLAG(int, quarantine_size_mb)
+ASAN_ACTIVATION_FLAG(int, thread_local_quarantine_size_kb)
ASAN_ACTIVATION_FLAG(bool, alloc_dealloc_mismatch)
ASAN_ACTIVATION_FLAG(bool, poison_heap)
Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_quarantine.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_quarantine.h?rev=291509&r1=291508&r2=291509&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_quarantine.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_quarantine.h Mon Jan 9 17:49:13 2017
@@ -49,18 +49,20 @@ class Quarantine {
}
void Init(uptr size, uptr cache_size) {
- atomic_store(&max_size_, size, memory_order_release);
+ atomic_store(&max_size_, size, memory_order_relaxed);
atomic_store(&min_size_, size / 10 * 9,
- memory_order_release); // 90% of max size.
- max_cache_size_ = cache_size;
+ memory_order_relaxed); // 90% of max size.
+ atomic_store(&max_cache_size_, cache_size, memory_order_relaxed);
}
- uptr GetSize() const { return atomic_load(&max_size_, memory_order_acquire); }
- uptr GetCacheSize() const { return max_cache_size_; }
+ uptr GetSize() const { return atomic_load(&max_size_, memory_order_relaxed); }
+ uptr GetCacheSize() const {
+ return atomic_load(&max_cache_size_, memory_order_relaxed);
+ }
void Put(Cache *c, Callback cb, Node *ptr, uptr size) {
c->Enqueue(cb, ptr, size);
- if (c->Size() > max_cache_size_)
+ if (c->Size() > GetCacheSize())
Drain(c, cb);
}
@@ -83,7 +85,7 @@ class Quarantine {
char pad0_[kCacheLineSize];
atomic_uintptr_t max_size_;
atomic_uintptr_t min_size_;
- uptr max_cache_size_;
+ atomic_uintptr_t max_cache_size_;
char pad1_[kCacheLineSize];
SpinMutex cache_mutex_;
SpinMutex recycle_mutex_;
@@ -92,7 +94,7 @@ class Quarantine {
void NOINLINE Recycle(Callback cb) {
Cache tmp;
- uptr min_size = atomic_load(&min_size_, memory_order_acquire);
+ uptr min_size = atomic_load(&min_size_, memory_order_relaxed);
{
SpinMutexLock l(&cache_mutex_);
while (cache_.Size() > min_size) {
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