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//===-- scudo_new_delete.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// Interceptors for operators new and delete.
///
//===----------------------------------------------------------------------===//
#include "scudo_allocator.h"
#include "interception/interception.h"
#include <stddef.h>
using namespace __scudo;
#define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE
// Fake std::nothrow_t to avoid including <new>.
namespace std {
struct nothrow_t {};
} // namespace std
// TODO(alekseys): throw std::bad_alloc instead of dying on OOM.
CXX_OPERATOR_ATTRIBUTE
void *operator new(size_t size) {
void *res = scudoMalloc(size, FromNew);
if (UNLIKELY(!res)) DieOnFailure::OnOOM();
return res;
}
CXX_OPERATOR_ATTRIBUTE
void *operator new[](size_t size) {
void *res = scudoMalloc(size, FromNewArray);
if (UNLIKELY(!res)) DieOnFailure::OnOOM();
return res;
}
CXX_OPERATOR_ATTRIBUTE
void *operator new(size_t size, std::nothrow_t const&) {
return scudoMalloc(size, FromNew);
}
CXX_OPERATOR_ATTRIBUTE
void *operator new[](size_t size, std::nothrow_t const&) {
return scudoMalloc(size, FromNewArray);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr) NOEXCEPT {
return scudoFree(ptr, FromNew);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr) NOEXCEPT {
return scudoFree(ptr, FromNewArray);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&) NOEXCEPT {
return scudoFree(ptr, FromNew);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr, std::nothrow_t const&) NOEXCEPT {
return scudoFree(ptr, FromNewArray);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr, size_t size) NOEXCEPT {
scudoSizedFree(ptr, size, FromNew);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr, size_t size) NOEXCEPT {
scudoSizedFree(ptr, size, FromNewArray);
}
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