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Diffstat (limited to 'winsup/mingw/profile/gmon.c')
| -rw-r--r-- | winsup/mingw/profile/gmon.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/winsup/mingw/profile/gmon.c b/winsup/mingw/profile/gmon.c deleted file mode 100644 index 17398b8e2..000000000 --- a/winsup/mingw/profile/gmon.c +++ /dev/null @@ -1,284 +0,0 @@ -/*- - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 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. - */ - -#if !defined(lint) && defined(LIBC_SCCS) -static char rcsid[] = "$OpenBSD: gmon.c,v 1.8 1997/07/23 21:11:27 kstailey Exp $"; -#endif - -/* - * This file is taken from Cygwin distribution. Please keep it in sync. - * The differences should be within __MINGW32__ guard. - */ - -#include <fcntl.h> -#include <stdlib.h> -#include <stdio.h> -#ifndef __MINGW32__ -#include <unistd.h> -#include <sys/param.h> -#endif -#include <sys/types.h> -#include <gmon.h> - -#include <profil.h> - -/* XXX needed? */ -//extern char *minbrk __asm ("minbrk"); - -struct gmonparam _gmonparam = { GMON_PROF_OFF }; - -static int s_scale; -/* see profil(2) where this is describe (incorrectly) */ -#define SCALE_1_TO_1 0x10000L - -#define ERR(s) write(2, s, sizeof(s)) - -void moncontrol __P((int)); - -static void * -fake_sbrk(int size) -{ - return malloc(size); -} - -void -monstartup(lowpc, highpc) - u_long lowpc; - u_long highpc; -{ - register int o; - char *cp; - struct gmonparam *p = &_gmonparam; - - /* - * round lowpc and highpc to multiples of the density we're using - * so the rest of the scaling (here and in gprof) stays in ints. - */ - p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER)); - p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER)); - p->textsize = p->highpc - p->lowpc; - p->kcountsize = p->textsize / HISTFRACTION; - p->hashfraction = HASHFRACTION; - p->fromssize = p->textsize / p->hashfraction; - p->tolimit = p->textsize * ARCDENSITY / 100; - if (p->tolimit < MINARCS) - p->tolimit = MINARCS; - else if (p->tolimit > MAXARCS) - p->tolimit = MAXARCS; - p->tossize = p->tolimit * sizeof(struct tostruct); - - cp = fake_sbrk(p->kcountsize + p->fromssize + p->tossize); - if (cp == (char *)-1) { - ERR("monstartup: out of memory\n"); - return; - } -#ifdef notdef - bzero(cp, p->kcountsize + p->fromssize + p->tossize); -#endif - p->tos = (struct tostruct *)cp; - cp += p->tossize; - p->kcount = (u_short *)cp; - cp += p->kcountsize; - p->froms = (u_short *)cp; - - /* XXX minbrk needed? */ - //minbrk = fake_sbrk(0); - p->tos[0].link = 0; - - o = p->highpc - p->lowpc; - if (p->kcountsize < o) { -#ifndef notdef - s_scale = ((float)p->kcountsize / o ) * SCALE_1_TO_1; -#else /* avoid floating point */ - int quot = o / p->kcountsize; - - if (quot >= 0x10000) - s_scale = 1; - else if (quot >= 0x100) - s_scale = 0x10000 / quot; - else if (o >= 0x800000) - s_scale = 0x1000000 / (o / (p->kcountsize >> 8)); - else - s_scale = 0x1000000 / ((o << 8) / p->kcountsize); -#endif - } else - s_scale = SCALE_1_TO_1; - - moncontrol(1); -} - -void -_mcleanup() -{ - int fd; - int hz; - int fromindex; - int endfrom; - u_long frompc; - int toindex; - struct rawarc rawarc; - struct gmonparam *p = &_gmonparam; - struct gmonhdr gmonhdr, *hdr; - char *proffile; -#ifdef DEBUG - int log, len; - char dbuf[200]; -#endif - - if (p->state == GMON_PROF_ERROR) - ERR("_mcleanup: tos overflow\n"); - - hz = PROF_HZ; - moncontrol(0); - -#ifdef nope - if ((profdir = getenv("PROFDIR")) != NULL) { - extern char *__progname; - char *s, *t, *limit; - pid_t pid; - long divisor; - - /* If PROFDIR contains a null value, no profiling - output is produced */ - if (*profdir == '\0') { - return; - } - - limit = buf + sizeof buf - 1 - 10 - 1 - - strlen(__progname) - 1; - t = buf; - s = profdir; - while((*t = *s) != '\0' && t < limit) { - t++; - s++; - } - *t++ = '/'; - - /* - * Copy and convert pid from a pid_t to a string. For - * best performance, divisor should be initialized to - * the largest power of 10 less than PID_MAX. - */ - pid = getpid(); - divisor=10000; - while (divisor > pid) divisor /= 10; /* skip leading zeros */ - do { - *t++ = (pid/divisor) + '0'; - pid %= divisor; - } while (divisor /= 10); - *t++ = '.'; - - s = __progname; - while ((*t++ = *s++) != '\0') - ; - - proffile = buf; - } else { - proffile = "gmon.out"; - } -#else - proffile = "gmon.out"; -#endif - - fd = open(proffile , O_CREAT|O_TRUNC|O_WRONLY|O_BINARY, 0666); - if (fd < 0) { - perror( proffile ); - return; - } -#ifdef DEBUG - log = open("gmon.log", O_CREAT|O_TRUNC|O_WRONLY, 0664); - if (log < 0) { - perror("mcount: gmon.log"); - return; - } - len = sprintf(dbuf, "[mcleanup1] kcount 0x%x ssiz %d\n", - p->kcount, p->kcountsize); - write(log, dbuf, len); -#endif - hdr = (struct gmonhdr *)&gmonhdr; - hdr->lpc = p->lowpc; - hdr->hpc = p->highpc; - hdr->ncnt = p->kcountsize + sizeof(gmonhdr); - hdr->version = GMONVERSION; - hdr->profrate = hz; - write(fd, (char *)hdr, sizeof *hdr); - write(fd, p->kcount, p->kcountsize); - endfrom = p->fromssize / sizeof(*p->froms); - for (fromindex = 0; fromindex < endfrom; fromindex++) { - if (p->froms[fromindex] == 0) - continue; - - frompc = p->lowpc; - frompc += fromindex * p->hashfraction * sizeof(*p->froms); - for (toindex = p->froms[fromindex]; toindex != 0; - toindex = p->tos[toindex].link) { -#ifdef DEBUG - len = sprintf(dbuf, - "[mcleanup2] frompc 0x%x selfpc 0x%x count %d\n" , - frompc, p->tos[toindex].selfpc, - p->tos[toindex].count); - write(log, dbuf, len); -#endif - rawarc.raw_frompc = frompc; - rawarc.raw_selfpc = p->tos[toindex].selfpc; - rawarc.raw_count = p->tos[toindex].count; - write(fd, &rawarc, sizeof rawarc); - } - } - close(fd); -} - -/* - * Control profiling - * profiling is what mcount checks to see if - * all the data structures are ready. - */ -void -moncontrol(mode) - int mode; -{ - struct gmonparam *p = &_gmonparam; - - if (mode) { - /* start */ - profil((char *)p->kcount, p->kcountsize, p->lowpc, - s_scale); - p->state = GMON_PROF_ON; - } else { - /* stop */ - profil((char *)0, 0, 0, 0); - p->state = GMON_PROF_OFF; - } -} - - |