From 9d13fb2413921c713f83efe331e8e4d219c62c6b Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 14 Dec 2005 15:06:39 +0000 Subject: Moved to csu/errno-loc.c. --- gmon/prof-freq.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ gmon/profil.c | 42 ++++++++++++++++++++++++++++++++++++++++++ gmon/sprofil.c | 36 ++++++++++++++++++++++++++++++++++++ 3 files changed, 133 insertions(+) create mode 100644 gmon/prof-freq.c create mode 100644 gmon/profil.c create mode 100644 gmon/sprofil.c (limited to 'gmon') diff --git a/gmon/prof-freq.c b/gmon/prof-freq.c new file mode 100644 index 0000000..ffcc679 --- /dev/null +++ b/gmon/prof-freq.c @@ -0,0 +1,55 @@ +/* Return frequency of ticks reported by profil. Generic version. */ +/*- + * Copyright (c) 1983, 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + +#include +#include +#include + +int +__profile_frequency (void) +{ + /* + * Discover the tick frequency of the machine if something goes wrong, + * we return 0, an impossible hertz. + */ + struct itimerval tim; + + tim.it_interval.tv_sec = 0; + tim.it_interval.tv_usec = 1; + tim.it_value.tv_sec = 0; + tim.it_value.tv_usec = 0; + __setitimer(ITIMER_REAL, &tim, 0); + __setitimer(ITIMER_REAL, 0, &tim); + if (tim.it_interval.tv_usec < 2) + return 0; + return (1000000 / tim.it_interval.tv_usec); +} +libc_hidden_def (__profile_frequency) diff --git a/gmon/profil.c b/gmon/profil.c new file mode 100644 index 0000000..8736375 --- /dev/null +++ b/gmon/profil.c @@ -0,0 +1,42 @@ +/* Low-level statistical profiling support function. Stub version. + Copyright (C) 1995, 1996, 1997 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include + +/* Enable statistical profiling, writing samples of the PC into at most + SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling + is enabled, the system examines the user PC and increments + SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero, + disable profiling. Returns zero on success, -1 on error. */ + +int +__profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) +{ + if (scale == 0) + /* Disable profiling. */ + return 0; + + __set_errno (ENOSYS); + return -1; +} +weak_alias (__profil, profil) +stub_warning (profil) +#include diff --git a/gmon/sprofil.c b/gmon/sprofil.c new file mode 100644 index 0000000..037ed46 --- /dev/null +++ b/gmon/sprofil.c @@ -0,0 +1,36 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by David Mosberger-Tang . + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +#include +#include + +int +__sprofil (struct prof *profp, int profcnt, struct timeval *tvp, + unsigned int flags) +{ + if (profcnt == 0) + return 0; + + __set_errno (ENOSYS); + return -1; +} + +weak_alias (__sprofil, sprofil) -- cgit v1.1