зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
2.2 KiB
C
60 строки
2.2 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is ``libcygprof.so''
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corp. Portions created by the Initial Developer are
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* Copyright (C) 2001 the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Waterson <waterson@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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A stub library to LD_PRELOAD against an image that's been compiled
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with -finstrument-functions. It dumps the address of the function
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that's being entered upon function entry, and the address that's
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being returned to on function exit. Addresses are dumped as binary
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data to stdout.
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*/
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#include <unistd.h>
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void
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__cyg_profile_func_enter(void *this_fn, void *call_site)
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{
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write(STDOUT_FILENO, &this_fn, sizeof this_fn);
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}
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void
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__cyg_profile_func_exit(void *this_fn, void *call_site)
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{
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write(STDOUT_FILENO, &call_site, sizeof call_site);
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}
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