From f1fd9ae96d3bddc6878016cdaf7eb0b23bf86bb6 Mon Sep 17 00:00:00 2001
From: Manuel Novoa III <mjn3@codepoet.org>
Date: Sun, 7 Sep 2003 03:13:56 +0000
Subject: Remove profil.c, since it is constained within gmon.c.
---
libc/sysdeps/linux/common/Makefile | 2 +-
libc/sysdeps/linux/common/profil.c | 113 -------------------------------------
2 files changed, 1 insertion(+), 114 deletions(-)
delete mode 100644 libc/sysdeps/linux/common/profil.c
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/Makefile b/libc/sysdeps/linux/common/Makefile
index bee640db9..3135172c0 100644
--- a/libc/sysdeps/linux/common/Makefile
+++ b/libc/sysdeps/linux/common/Makefile
@@ -26,7 +26,7 @@ CSRC= waitpid.c getdnnm.c gethstnm.c getcwd.c ptrace.c \
truncate64.c getrlimit64.c setrlimit64.c creat64.c \
llseek.c pread_write.c _exit.c sync.c getdirname.c \
sendfile64.c xstatconv.c getdents.c getdents64.c vfork.c \
- ulimit.c profil.c
+ ulimit.c
ifneq ($(strip $(EXCLUDE_BRK)),y)
CSRC+=sbrk.c
endif
diff --git a/libc/sysdeps/linux/common/profil.c b/libc/sysdeps/linux/common/profil.c
deleted file mode 100644
index 3df0836c1..000000000
--- a/libc/sysdeps/linux/common/profil.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Low-level statistical profiling support function. Mostly POSIX.1 version.
- Copyright (C) 1996,97,98,2002 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 <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
-#include <signal.h>
-#include <sys/time.h>
-
-#ifndef SIGPROF
-
-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;
-}
-
-#else
-
-static u_short *samples;
-static size_t nsamples;
-static size_t pc_offset;
-static u_int pc_scale;
-
-static inline void
-profil_count (void *pc)
-{
- size_t i = (pc - pc_offset - (void *) 0) / 2;
- if (sizeof (unsigned long long int) > sizeof (size_t))
- i = (unsigned long long int) i * pc_scale / 65536;
- else
- i = i / 65536 * pc_scale + i % 65536 * pc_scale / 65536;
- if (i < nsamples)
- ++samples[i];
-}
-
-/* Get the machine-dependent definition of `profil_counter', the signal
- handler for SIGPROF. It calls `profil_count' (above) with the PC of the
- interrupted code. */
-#include <bits/profil-counter.h>
-
-
-/* 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)
-{
- static struct sigaction oact;
- static struct itimerval otimer;
- struct sigaction act;
- struct itimerval timer;
-
- if (sample_buffer == NULL)
- {
- /* Disable profiling. */
- if (samples == NULL)
- /* Wasn't turned on. */
- return 0;
-
- if (setitimer (ITIMER_PROF, &otimer, NULL) < 0)
- return -1;
- samples = NULL;
- return sigaction (SIGPROF, &oact, NULL);
- }
-
- if (samples)
- {
- /* Was already turned on. Restore old timer and signal handler
- first. */
- if (setitimer (ITIMER_PROF, &otimer, NULL) < 0
- || sigaction (SIGPROF, &oact, NULL) < 0)
- return -1;
- }
-
- samples = sample_buffer;
- nsamples = size / sizeof *samples;
- pc_offset = offset;
- pc_scale = scale;
-
- act.sa_handler = (__sighandler_t) &profil_counter;
- act.sa_flags = SA_RESTART;
- __sigfillset (&act.sa_mask);
- if (sigaction (SIGPROF, &act, &oact) < 0)
- return -1;
-
- timer.it_value.tv_sec = 0;
- timer.it_value.tv_usec = 1;
- timer.it_interval = timer.it_value;
- return setitimer (ITIMER_PROF, &timer, &otimer);
-}
-
-#endif
--
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