diff options
Diffstat (limited to 'libstdc++-v3/testsuite/ext/profile/mh.cc')
-rw-r--r-- | libstdc++-v3/testsuite/ext/profile/mh.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/ext/profile/mh.cc b/libstdc++-v3/testsuite/ext/profile/mh.cc new file mode 100644 index 000000000..dc2e94198 --- /dev/null +++ b/libstdc++-v3/testsuite/ext/profile/mh.cc @@ -0,0 +1,67 @@ +// { dg-do compile { target *-*-linux* } } +// { dg-xfail-if "" { uclibc } { "*" } { "" } } +// { dg-require-profile-mode "" } + +// -*- C++ -*- + +// Copyright (C) 2006, 2007, 2009, 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +#include <stdio.h> +#include <malloc.h> +#include <vector> + +using std::vector; + +static void my_init_hook (void); +static void *my_malloc_hook (size_t, const void *); +typedef void* (*malloc_hook) (size_t, const void *); + +malloc_hook old_malloc_hook; + +void (*__malloc_initialize_hook) (void) = my_init_hook; + +static void +my_init_hook (void) +{ + old_malloc_hook = __malloc_hook; + __malloc_hook = my_malloc_hook; +} + +static void * +my_malloc_hook (size_t size, const void *caller) +{ + void *result; + __malloc_hook = old_malloc_hook; + result = malloc (size); + old_malloc_hook = __malloc_hook; + + // With _GLIBCXX_PROFILE, the instrumentation of the vector constructor + // will call back into malloc. + vector<int> v; + + __malloc_hook = my_malloc_hook; + return result; +} + + +int main() +{ + int* test = (int*) malloc(sizeof(int)); + *test = 1; + return *test; +} |