[msan] Allocator statistics interface and malloc hooks.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@187653 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/msan/msan_interface_internal.h b/lib/msan/msan_interface_internal.h
index a5502ee..5d643e8 100644
--- a/lib/msan/msan_interface_internal.h
+++ b/lib/msan/msan_interface_internal.h
@@ -141,6 +141,33 @@
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_unaligned_store64(uu64 *p, u64 x);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_estimated_allocated_size(uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+bool __msan_get_ownership(const void *p);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_allocated_size(const void *p);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_current_allocated_bytes();
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_heap_size();
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_free_bytes();
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __msan_get_unmapped_bytes();
+
+SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
+/* OPTIONAL */ void __msan_malloc_hook(void *ptr, uptr size);
+
+SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
+/* OPTIONAL */ void __msan_free_hook(void *ptr);
} // extern "C"
#endif // MSAN_INTERFACE_INTERNAL_H