Ryan Macnak
e67dd9c2c5
Avoid weak linking on iOS. TEST=ci Change-Id: Iafcb5bfdea0520d50363486e67031e1d5302d32b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/161461 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(PRODUCT) || !defined(DART_USE_TCMALLOC)
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#include "vm/malloc_hooks.h"
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#include "vm/json_stream.h"
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#if defined(HOST_OS_LINUX) || defined(HOST_OS_ANDROID)
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#include <malloc.h>
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#elif defined(HOST_OS_MACOS)
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#include <malloc/malloc.h>
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#endif
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#if !defined(HOST_OS_WINDOWS) && !defined(TARGET_OS_IOS)
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extern "C" {
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__attribute__((weak)) uintptr_t __sanitizer_get_current_allocated_bytes();
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__attribute__((weak)) uintptr_t __sanitizer_get_heap_size();
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__attribute__((weak)) int __sanitizer_install_malloc_and_free_hooks(
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void (*malloc_hook)(const void*, uintptr_t),
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void (*free_hook)(const void*));
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}
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#endif
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namespace dart {
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void MallocHooks::Init() {
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// Do nothing.
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}
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void MallocHooks::Cleanup() {
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// Do nothing.
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}
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bool MallocHooks::ProfilingEnabled() {
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return false;
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}
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bool MallocHooks::stack_trace_collection_enabled() {
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return false;
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}
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void MallocHooks::set_stack_trace_collection_enabled(bool enabled) {
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// Do nothing.
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}
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void MallocHooks::ResetStats() {
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// Do nothing.
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}
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bool MallocHooks::Active() {
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return false;
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}
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bool MallocHooks::GetStats(intptr_t* used,
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intptr_t* capacity,
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const char** implementation) {
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#if !defined(PRODUCT)
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#if !defined(HOST_OS_WINDOWS) && !defined(TARGET_OS_IOS)
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if (__sanitizer_get_current_allocated_bytes != nullptr &&
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__sanitizer_get_heap_size != nullptr) {
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*used = __sanitizer_get_current_allocated_bytes();
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*capacity = __sanitizer_get_heap_size();
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*implementation = "scudo";
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return true;
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}
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#endif
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#if defined(HOST_OS_LINUX) || defined(HOST_OS_ANDROID)
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struct mallinfo info = mallinfo();
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*used = info.uordblks;
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*capacity = *used + info.fordblks;
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*implementation = "unknown";
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return true;
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#elif defined(HOST_OS_MACOS)
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struct mstats stats = mstats();
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*used = stats.bytes_used;
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*capacity = stats.bytes_total;
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*implementation = "macos";
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return true;
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#else
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return false;
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#endif
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#else
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return false;
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#endif
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}
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Sample* MallocHooks::GetSample(const void* ptr) {
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return NULL;
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}
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intptr_t MallocHooks::allocation_count() {
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return 0;
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}
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intptr_t MallocHooks::heap_allocated_memory_in_bytes() {
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return 0;
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}
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} // namespace dart
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#endif // !defined(DART_USE_TCMALLOC) && ...
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