33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
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/* Low-level statistical profiling support function. Linux version.
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Copyright (C) 2001-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <sigcontextinfo.h>
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/* sa_sigaction signature to use along SA_SIGINFO. */
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static void
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__profil_counter (int signo, siginfo_t *info, void *ctx)
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{
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profil_count (sigcontext_get_pc (ctx));
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/* This is a hack to prevent the compiler from implementing the
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above function call as a sibcall. The sibcall would overwrite
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the signal context. */
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asm volatile ("");
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}
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