4232f9fd18
2009-10-04 Benjamin Kosnik <bkoz@redhat.com> * doc/xml/manual/using.xml: Add profile headers. * testsuite/ext/profile/mh.cc: Restrict to linux. From-SVN: r152439
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
// { dg-options "-D_GLIBCXX_PROFILE" }
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// { dg-do compile { target *-*-linux* } }
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// -*- C++ -*-
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// Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <stdio.h>
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#include <malloc.h>
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#include <vector>
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using std::vector;
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static void my_init_hook (void);
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static void *my_malloc_hook (size_t, const void *);
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typedef void* (*malloc_hook) (size_t, const void *);
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malloc_hook old_malloc_hook;
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void (*__malloc_initialize_hook) (void) = my_init_hook;
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static void
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my_init_hook (void)
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{
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old_malloc_hook = __malloc_hook;
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__malloc_hook = my_malloc_hook;
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}
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static void *
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my_malloc_hook (size_t size, const void *caller)
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{
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void *result;
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__malloc_hook = old_malloc_hook;
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result = malloc (size);
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old_malloc_hook = __malloc_hook;
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// With _GLIBCXX_PROFILE, the instrumentation of the vector constructor
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// will call back into malloc.
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vector<int> v;
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__malloc_hook = my_malloc_hook;
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return result;
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}
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int main()
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{
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int* test = (int*) malloc(sizeof(int));
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*test = 1;
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return *test;
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}
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