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Diffstat (limited to 'lib/lsan/lsan_interceptors.cc')
-rw-r--r--lib/lsan/lsan_interceptors.cc50
1 files changed, 21 insertions, 29 deletions
diff --git a/lib/lsan/lsan_interceptors.cc b/lib/lsan/lsan_interceptors.cc
index 400230b885ff..ba2519dcb25d 100644
--- a/lib/lsan/lsan_interceptors.cc
+++ b/lib/lsan/lsan_interceptors.cc
@@ -34,21 +34,6 @@ int pthread_key_create(unsigned *key, void (*destructor)(void* v));
int pthread_setspecific(unsigned key, const void *v);
}
-#define GET_STACK_TRACE \
- StackTrace stack; \
- { \
- uptr stack_top = 0, stack_bottom = 0; \
- ThreadContext *t; \
- bool fast = common_flags()->fast_unwind_on_malloc; \
- if (fast && (t = CurrentThreadContext())) { \
- stack_top = t->stack_end(); \
- stack_bottom = t->stack_begin(); \
- } \
- stack.Unwind(__sanitizer::common_flags()->malloc_context_size, \
- StackTrace::GetCurrentPc(), \
- GET_CURRENT_FRAME(), stack_top, stack_bottom, fast); \
- }
-
#define ENSURE_LSAN_INITED do { \
CHECK(!lsan_init_is_running); \
if (!lsan_inited) \
@@ -65,7 +50,7 @@ namespace std {
INTERCEPTOR(void*, malloc, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
return Allocate(stack, size, 1, kAlwaysClearMemory);
}
@@ -88,26 +73,32 @@ INTERCEPTOR(void*, calloc, uptr nmemb, uptr size) {
}
if (CallocShouldReturnNullDueToOverflow(size, nmemb)) return 0;
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
size *= nmemb;
return Allocate(stack, size, 1, true);
}
INTERCEPTOR(void*, realloc, void *q, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
return Reallocate(stack, q, size, 1);
}
INTERCEPTOR(void*, memalign, uptr alignment, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
+ return Allocate(stack, size, alignment, kAlwaysClearMemory);
+}
+
+INTERCEPTOR(void*, aligned_alloc, uptr alignment, uptr size) {
+ ENSURE_LSAN_INITED;
+ GET_STACK_TRACE_MALLOC;
return Allocate(stack, size, alignment, kAlwaysClearMemory);
}
INTERCEPTOR(int, posix_memalign, void **memptr, uptr alignment, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
*memptr = Allocate(stack, size, alignment, kAlwaysClearMemory);
// FIXME: Return ENOMEM if user requested more than max alloc size.
return 0;
@@ -115,7 +106,7 @@ INTERCEPTOR(int, posix_memalign, void **memptr, uptr alignment, uptr size) {
INTERCEPTOR(void*, valloc, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
if (size == 0)
size = GetPageSizeCached();
return Allocate(stack, size, GetPageSizeCached(), kAlwaysClearMemory);
@@ -142,7 +133,7 @@ INTERCEPTOR(int, mallopt, int cmd, int value) {
INTERCEPTOR(void*, pvalloc, uptr size) {
ENSURE_LSAN_INITED;
- GET_STACK_TRACE;
+ GET_STACK_TRACE_MALLOC;
uptr PageSize = GetPageSizeCached();
size = RoundUpTo(size, PageSize);
if (size == 0) {
@@ -152,11 +143,11 @@ INTERCEPTOR(void*, pvalloc, uptr size) {
return Allocate(stack, size, GetPageSizeCached(), kAlwaysClearMemory);
}
-INTERCEPTOR(void, cfree, void *p) ALIAS("free");
+INTERCEPTOR(void, cfree, void *p) ALIAS(WRAPPER_NAME(free));
#define OPERATOR_NEW_BODY \
ENSURE_LSAN_INITED; \
- GET_STACK_TRACE; \
+ GET_STACK_TRACE_MALLOC; \
return Allocate(stack, size, 1, kAlwaysClearMemory);
INTERCEPTOR_ATTRIBUTE
@@ -173,9 +164,9 @@ void *operator new[](uptr size, std::nothrow_t const&) { OPERATOR_NEW_BODY; }
Deallocate(ptr);
INTERCEPTOR_ATTRIBUTE
-void operator delete(void *ptr) { OPERATOR_DELETE_BODY; }
+void operator delete(void *ptr) throw() { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
-void operator delete[](void *ptr) { OPERATOR_DELETE_BODY; }
+void operator delete[](void *ptr) throw() { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
@@ -185,7 +176,8 @@ void operator delete[](void *ptr, std::nothrow_t const &) {
// We need this to intercept the __libc_memalign calls that are used to
// allocate dynamic TLS space in ld-linux.so.
-INTERCEPTOR(void *, __libc_memalign, uptr align, uptr s) ALIAS("memalign");
+INTERCEPTOR(void *, __libc_memalign, uptr align, uptr s)
+ ALIAS(WRAPPER_NAME(memalign));
///// Thread initialization and finalization. /////
@@ -223,9 +215,9 @@ extern "C" void *__lsan_thread_start_func(void *arg) {
int tid = 0;
while ((tid = atomic_load(&p->tid, memory_order_acquire)) == 0)
internal_sched_yield();
- atomic_store(&p->tid, 0, memory_order_release);
SetCurrentThread(tid);
ThreadStart(tid, GetTid());
+ atomic_store(&p->tid, 0, memory_order_release);
return callback(param);
}
@@ -238,7 +230,7 @@ INTERCEPTOR(int, pthread_create, void *th, void *attr,
pthread_attr_init(&myattr);
attr = &myattr;
}
- AdjustStackSizeLinux(attr);
+ AdjustStackSize(attr);
int detached = 0;
pthread_attr_getdetachstate(attr, &detached);
ThreadParam p;