glibc/sysdeps/generic/profil-counter.h
Samuel Thibault 53432762ac profil-counter: Add missing SIGINFO case
When SA_SIGINFO is available, sysdeps/posix/s?profil.c use it, so we have to
fix the __profil_counter function accordingly, using sigcontextinfo.h's
sigcontext_get_pc.
2020-12-21 02:08:33 +01:00

37 lines
1.3 KiB
C

/* Machine-dependent SIGPROF signal handler. "Generic" version w/ sigcontext
Copyright (C) 1996-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* In many Unix systems signal handlers are called like this
and the interrupted PC is easily findable in the `struct sigcontext'. */
#ifdef SA_SIGINFO
#include <sigcontextinfo.h>
static void
__profil_counter (int signr, siginfo_t *info, void *ctx)
{
profil_count (sigcontext_get_pc (ctx));
}
#else
static void
__profil_counter (int signr, int code, struct sigcontext *scp)
{
profil_count ((uintptr_t) scp->sc_pc);
}
#endif