Index: base/allocator/allocator_shim_default_dispatch_to_tcmalloc.cc |
diff --git a/base/allocator/allocator_shim_default_dispatch_to_tcmalloc.cc b/base/allocator/allocator_shim_default_dispatch_to_tcmalloc.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d851f13f1e8a230b8a1c9e2f8941be1ae0728283 |
--- /dev/null |
+++ b/base/allocator/allocator_shim_default_dispatch_to_tcmalloc.cc |
@@ -0,0 +1,76 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/allocator/allocator_shim.h" |
+#include "base/allocator/allocator_shim_internals.h" |
+#include "third_party/tcmalloc/chromium/src/config.h" |
+#include "third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h" |
+ |
+namespace { |
+ |
+using base::allocator::AllocatorDispatch; |
+ |
+void* TCMalloc(const AllocatorDispatch*, size_t size) { |
+ return tc_malloc(size); |
+} |
+ |
+void* TCCalloc(const AllocatorDispatch*, size_t n, size_t size) { |
+ return tc_calloc(n, size); |
+} |
+ |
+void* TCMemalign(const AllocatorDispatch*, size_t alignment, size_t size) { |
+ return tc_memalign(alignment, size); |
+} |
+ |
+void* TCRealloc(const AllocatorDispatch*, void* address, size_t size) { |
+ return tc_realloc(address, size); |
+} |
+ |
+void TCFree(const AllocatorDispatch*, void* address) { |
+ tc_free(address); |
+} |
+ |
+} // namespace |
+ |
+const AllocatorDispatch AllocatorDispatch::default_dispatch = { |
+ &TCMalloc, /* alloc_function */ |
+ &TCCalloc, /* alloc_zero_initialized_function */ |
+ &TCMemalign, /* alloc_aligned_function */ |
+ &TCRealloc, /* realloc_function */ |
+ &TCFree, /* free_function */ |
+ nullptr, /* next */ |
+}; |
+ |
+// In the case of tcmalloc we have also to route the diagnostic symbols, |
+// which are not part of the unified shim layer, to tcmalloc for consistency. |
+ |
+extern "C" { |
+ |
+SHIM_ALWAYS_EXPORT void malloc_stats(void) __THROW { |
+ return tc_malloc_stats(); |
+} |
+ |
+SHIM_ALWAYS_EXPORT int mallopt(int cmd, int value) __THROW { |
+ return tc_mallopt(cmd, value); |
+} |
+ |
+#ifdef HAVE_STRUCT_MALLINFO |
+SHIM_ALWAYS_EXPORT struct mallinfo mallinfo(void) __THROW { |
+ return tc_mallinfo(); |
+} |
+#endif |
+ |
+SHIM_ALWAYS_EXPORT size_t malloc_size(void* address) __THROW { |
+ return tc_malloc_size(address); |
+} |
+ |
+#if defined(__ANDROID__) |
+SHIM_ALWAYS_EXPORT size_t malloc_usable_size(const void* address) __THROW { |
+#else |
+SHIM_ALWAYS_EXPORT size_t malloc_usable_size(void* address) __THROW { |
+#endif |
+ return tc_malloc_size(address); |
+} |
+ |
+} // extern "C" |