76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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#ifndef __MEMORYALLOCATIONSTACKTRACER_H__
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#define __MEMORYALLOCATIONSTACKTRACER_H__
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#include <boost/stacktrace/stacktrace.hpp>
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#include <unordered_map>
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extern "C" {
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extern void *__real_malloc(size_t size);
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extern void __real_free(void *__ptr);
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}
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template <class T>
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class DebugAllocator {
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public:
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using value_type = T;
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using pointer = T *;
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typedef const T *const_pointer;
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typedef T &reference;
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typedef const T &const_reference;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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template <class U>
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struct rebind {
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typedef DebugAllocator<U> other;
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};
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DebugAllocator() {
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}
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template <class U>
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DebugAllocator(const DebugAllocator<U> &other) noexcept {
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}
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T *allocate(std::size_t n) {
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return reinterpret_cast<T *>(__real_malloc(n));
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}
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void deallocate(T *p, std::size_t n) {
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__real_free(p);
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}
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template <class U, class... Args>
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void construct(U *p, Args &&...args) {
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::new ((void *)p) U(std::forward<Args>(args)...);
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}
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template <class U>
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void destroy(U *p) {
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p->~U();
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}
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pointer address(reference x) {
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return (pointer)&x;
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}
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const_pointer address(const_reference x) {
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return (const_pointer)&x;
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}
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};
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class MemoryAllocationStackTracer {
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public:
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static void initialize();
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static MemoryAllocationStackTracer *instance();
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void push(uint64_t address, const boost::stacktrace::stacktrace &stacktrace);
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void pop(uint64_t address);
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private:
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std::unordered_map<uint64_t, boost::stacktrace::stacktrace, std::hash<uint64_t>, std::equal_to<uint64_t>,
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DebugAllocator<MemoryAllocationStackTracer>>
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m_stacktraces;
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static MemoryAllocationStackTracer *m_instance;
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};
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#endif // __MEMORYALLOCATIONSTACKTRACER_H__
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