943072f45c
(EXTRA_DLL_OFILES): Remove. (DLL_OFILES): Remove EXTRA_DLL_OFILES. (ASFLAGS): Define as -D_WIN64 on x86_64. (GMON_OFILES): Add mcountFunc.o. ($(srcdir)/$(TLSOFFSETS_H)): Use target_cpu rather than CONFIG_DIR. * configure.ac (CONFIG_DIR): Remove definition. * configure: Regenerate. * gcrt0.c: Use latest version from Mingw-w64 project. * gmon.c: Ditto. * gmon.h: Ditto. * mcount.c: Ditto. * mcountFunc.S: Ditto, new file. * profil.c: Ditto. * profil.h: Ditto. * config: Remove entire directory.
299 lines
7.4 KiB
C
299 lines
7.4 KiB
C
/*-
|
|
* 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.
|
|
*/
|
|
|
|
#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>
|
|
#include <strings.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");
|
|
|
|
#ifdef _WIN64
|
|
#define MINUS_ONE_P (-1LL)
|
|
#else
|
|
#define MINUS_ONE_P (-1)
|
|
#endif
|
|
|
|
#ifdef __MINGW32__
|
|
#include <string.h>
|
|
#define bzero(ptr,size) memset (ptr, 0, size);
|
|
#endif
|
|
|
|
struct gmonparam _gmonparam = { GMON_PROF_OFF, NULL, 0, NULL, 0, NULL, 0, 0L,
|
|
0, 0, 0, 0};
|
|
|
|
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)
|
|
{
|
|
void *rv = malloc(size);
|
|
if (rv)
|
|
return rv;
|
|
else
|
|
return (void *) MINUS_ONE_P;
|
|
}
|
|
|
|
void monstartup (size_t, size_t);
|
|
|
|
void
|
|
monstartup (size_t lowpc, size_t highpc)
|
|
{
|
|
register size_t 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 *)MINUS_ONE_P) {
|
|
ERR("monstartup: out of memory\n");
|
|
return;
|
|
}
|
|
|
|
/* zero out cp as value will be added there */
|
|
bzero(cp, p->kcountsize + p->fromssize + p->tossize);
|
|
|
|
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 (void);
|
|
void
|
|
_mcleanup(void)
|
|
{
|
|
static char gmon_out[] = "gmon.out";
|
|
int fd;
|
|
int hz;
|
|
int fromindex;
|
|
int endfrom;
|
|
size_t frompc;
|
|
int toindex;
|
|
struct rawarc rawarc;
|
|
struct gmonparam *p = &_gmonparam;
|
|
struct gmonhdr gmonhdr, *hdr;
|
|
const 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(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;
|
|
}
|
|
}
|
|
|
|
|