1 files changed, 0 insertions, 113 deletions
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