| /* Copyright (c) 2008-2010, 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. |
| * * 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. |
| */ |
| |
| // This file is part of ThreadSanitizer, a dynamic data race detector. |
| // Author: Konstantin Serebryany. |
| // Implement some of the libc functions to link with valgrind. |
| // Do not include any linux header here to avoid conflicts. |
| // |
| extern "C" { |
| #include "pub_tool_basics.h" |
| #include "pub_tool_libcbase.h" |
| } |
| |
| // can't use VG_(memmove) since it is buggy. |
| extern "C" void * memmove(void *a, const void *b, unsigned long size) { |
| char *A = (char*)a; |
| const char *B = (const char*)b; |
| if (A < B) { |
| for (unsigned long i = 0; i < size; i++) { |
| A[i] = B[i]; |
| } |
| } else if(A > B) { |
| for (unsigned long i = 0; i < size; i++) { |
| A[size - i - 1] = B[size - i - 1]; |
| } |
| } |
| return a; |
| } |
| |
| extern "C" int memcmp(const void *a, const void *b, unsigned long c) { |
| return VG_(memcmp)(a,b,c); |
| } |
| #ifndef VGO_darwin |
| extern "C" void* __memcpy_chk(void *dest, const void *src, unsigned long n) { |
| return VG_(memcpy)(dest,src,n); |
| } |
| #endif |
