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Diffstat (limited to 'src/third_party/gperftools-2.7/dist/src/libc_override_redefine.h')
-rw-r--r-- | src/third_party/gperftools-2.7/dist/src/libc_override_redefine.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/third_party/gperftools-2.7/dist/src/libc_override_redefine.h b/src/third_party/gperftools-2.7/dist/src/libc_override_redefine.h new file mode 100644 index 00000000000..4d61b25a91a --- /dev/null +++ b/src/third_party/gperftools-2.7/dist/src/libc_override_redefine.h @@ -0,0 +1,131 @@ +// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- +// Copyright (c) 2011, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// --- +// Author: Craig Silverstein <opensource@google.com> +// +// Used on systems that don't have their own definition of +// malloc/new/etc. (Typically this will be a windows msvcrt.dll that +// has been edited to remove the definitions.) We can just define our +// own as normal functions. +// +// This should also work on systems were all the malloc routines are +// defined as weak symbols, and there's no support for aliasing. + +#ifndef TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_ +#define TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_ + +void* operator new(size_t size) { return tc_new(size); } +void operator delete(void* p) CPP_NOTHROW { tc_delete(p); } +void* operator new[](size_t size) { return tc_newarray(size); } +void operator delete[](void* p) CPP_NOTHROW { tc_deletearray(p); } +void* operator new(size_t size, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_new_nothrow(size, nt); +} +void* operator new[](size_t size, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_newarray_nothrow(size, nt); +} +void operator delete(void* ptr, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_delete_nothrow(ptr, nt); +} +void operator delete[](void* ptr, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_deletearray_nothrow(ptr, nt); +} + +#ifdef ENABLE_SIZED_DELETE +void operator delete(void* p, size_t s) CPP_NOTHROW { tc_delete_sized(p, s); } +void operator delete[](void* p, size_t s) CPP_NOTHROW{ tc_deletearray_sized(p, s);} +#endif + +#if defined(ENABLE_ALIGNED_NEW_DELETE) + +void* operator new(size_t size, std::align_val_t al) { + return tc_new_aligned(size, al); +} +void operator delete(void* p, std::align_val_t al) CPP_NOTHROW { + tc_delete_aligned(p, al); +} +void* operator new[](size_t size, std::align_val_t al) { + return tc_newarray_aligned(size, al); +} +void operator delete[](void* p, std::align_val_t al) CPP_NOTHROW { + tc_deletearray_aligned(p, al); +} +void* operator new(size_t size, std::align_val_t al, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_new_aligned_nothrow(size, al, nt); +} +void* operator new[](size_t size, std::align_val_t al, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_newarray_aligned_nothrow(size, al, nt); +} +void operator delete(void* ptr, std::align_val_t al, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_delete_aligned_nothrow(ptr, al, nt); +} +void operator delete[](void* ptr, std::align_val_t al, const std::nothrow_t& nt) CPP_NOTHROW { + return tc_deletearray_aligned_nothrow(ptr, al, nt); +} + +#ifdef ENABLE_SIZED_DELETE +void operator delete(void* p, size_t s, std::align_val_t al) CPP_NOTHROW { + tc_delete_sized_aligned(p, s, al); +} +void operator delete[](void* p, size_t s, std::align_val_t al) CPP_NOTHROW { + tc_deletearray_sized_aligned(p, s, al); +} +#endif + +#endif // defined(ENABLE_ALIGNED_NEW_DELETE) + +extern "C" { + void* malloc(size_t s) { return tc_malloc(s); } + void free(void* p) { tc_free(p); } + void* realloc(void* p, size_t s) { return tc_realloc(p, s); } + void* calloc(size_t n, size_t s) { return tc_calloc(n, s); } + void cfree(void* p) { tc_cfree(p); } + void* memalign(size_t a, size_t s) { return tc_memalign(a, s); } + void* aligned_alloc(size_t a, size_t s) { return tc_memalign(a, s); } + void* valloc(size_t s) { return tc_valloc(s); } + void* pvalloc(size_t s) { return tc_pvalloc(s); } + int posix_memalign(void** r, size_t a, size_t s) { + return tc_posix_memalign(r, a, s); + } + void malloc_stats(void) { tc_malloc_stats(); } + int mallopt(int cmd, int v) { return tc_mallopt(cmd, v); } +#ifdef HAVE_STRUCT_MALLINFO + struct mallinfo mallinfo(void) { return tc_mallinfo(); } +#endif + size_t malloc_size(void* p) { return tc_malloc_size(p); } + size_t malloc_usable_size(void* p) { return tc_malloc_size(p); } +} // extern "C" + +// No need to do anything at tcmalloc-registration time: we do it all +// via overriding weak symbols (at link time). +static void ReplaceSystemAlloc() { } + +#endif // TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_ |