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28 lines
768 B
C
28 lines
768 B
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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