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authordas <das@FreeBSD.org>2004-11-27 06:46:48 +0000
committerdas <das@FreeBSD.org>2004-11-27 06:46:48 +0000
commit3ccad749b08338ad8ae5538ef71034dffe656f1a (patch)
tree4f1cdf59b59fa1bf8b0dc90e3c95d19842397615
parent7f13dc5af0e2ff7946d78cc129ec850a69a53637 (diff)
downloadFreeBSD-src-3ccad749b08338ad8ae5538ef71034dffe656f1a.zip
FreeBSD-src-3ccad749b08338ad8ae5538ef71034dffe656f1a.tar.gz
Remove a.out support from gcore(1).
-rw-r--r--usr.bin/gcore/Makefile6
-rw-r--r--usr.bin/gcore/aoutcore.c243
2 files changed, 0 insertions, 249 deletions
diff --git a/usr.bin/gcore/Makefile b/usr.bin/gcore/Makefile
index ff0e7bb..5ab51cf 100644
--- a/usr.bin/gcore/Makefile
+++ b/usr.bin/gcore/Makefile
@@ -4,10 +4,4 @@
PROG= gcore
SRCS= elfcore.c gcore.c
-.if ${MACHINE_ARCH} == i386
-SRCS+= aoutcore.c
-DPADD= ${LIBKVM}
-LDADD= -lkvm
-.endif
-
.include <bsd.prog.mk>
diff --git a/usr.bin/gcore/aoutcore.c b/usr.bin/gcore/aoutcore.c
deleted file mode 100644
index 28d7647..0000000
--- a/usr.bin/gcore/aoutcore.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*-
- * Copyright (c) 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.
- */
-
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1992, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#if 0
-#ifndef lint
-static char sccsid[] = "@(#)gcore.c 8.2 (Berkeley) 9/23/93";
-#endif /* not lint */
-#endif
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * Originally written by Eric Cooper in Fall 1981.
- * Inspired by a version 6 program by Len Levin, 1978.
- * Several pieces of code lifted from Bill Joy's 4BSD ps.
- * Most recently, hacked beyond recognition for 4.4BSD by Steven McCanne,
- * Lawrence Berkeley Laboratory.
- *
- * Portions of this software were developed by the Computer Systems
- * Engineering group at Lawrence Berkeley Laboratory under DARPA
- * contract BG 91-66 and contributed to Berkeley.
- */
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <sys/sysctl.h>
-#include <sys/linker_set.h>
-
-#include <arpa/inet.h>
-#include <machine/elf.h>
-#include <machine/vmparam.h>
-
-#include <a.out.h>
-#include <err.h>
-#include <fcntl.h>
-#include <kvm.h>
-#include <limits.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "extern.h"
-
-#define UAREA_PAGES 1
-
-static void datadump(int, int, struct kinfo_proc *, u_long, int);
-static void userdump(int, struct kinfo_proc *, u_long, int);
-
-static kvm_t *kd;
-
-static int data_offset;
-static struct kinfo_proc *ki;
-
-static int
-aoutident(int efd, pid_t pid, char *binfile)
-{
- struct exec exec;
- int cnt;
- uid_t uid;
- char errbuf[_POSIX2_LINE_MAX];
-
- cnt = read(efd, &exec, sizeof(exec));
- if (cnt != sizeof(exec))
- return (0);
- if (!N_BADMAG(exec)) {
- /*
- * This legacy a.out support uses the kvm interface instead
- * of procfs.
- */
- kd = kvm_openfiles(0, 0, 0, O_RDONLY, errbuf);
- if (kd == NULL)
- errx(1, "%s", errbuf);
-
- uid = getuid();
-
- ki = kvm_getprocs(kd, KERN_PROC_PID, pid, &cnt);
- if (ki == NULL || cnt != 1)
- errx(1, "%d: not found", pid);
-
- if (ki->ki_ruid != uid && uid != 0)
- errx(1, "%d: not owner", pid);
-
- if (ki->ki_stat == SZOMB)
- errx(1, "%d: zombie", pid);
-
- if (ki->ki_flag & P_WEXIT)
- errx(1, "%d: process exiting", pid);
- if (ki->ki_flag & P_SYSTEM) /* Swapper or pagedaemon. */
- errx(1, "%d: system process", pid);
- if (exec.a_text != (unsigned long)ptoa(ki->ki_tsize))
- errx(1, "The executable %s does not belong to"
- " process %d!\n"
- "Text segment size (in bytes): executable %ld,"
- " process %d", binfile, pid, exec.a_text,
- ptoa(ki->ki_tsize));
- data_offset = N_DATOFF(exec);
- return (1);
- }
- return (0);
-}
-
-/*
- * core --
- * Build the core file.
- */
-static void
-aoutcore(int efd, int fd, pid_t pid __unused)
-{
- union {
- struct user user;
- struct {
- char uabytes[ctob(UAREA_PAGES)];
- char ksbytes[ctob(KSTACK_PAGES)];
- } bytes;
- } uarea;
- int tsize = ki->ki_tsize;
- int dsize = ki->ki_dsize;
- int ssize = ki->ki_ssize;
- int cnt;
-
- /* Read in user struct */
- cnt = kvm_read(kd, (u_long)ki->ki_addr, uarea.bytes.uabytes,
- ctob(UAREA_PAGES));
- if (cnt != ctob(UAREA_PAGES))
- errx(1, "read upages structure: %s",
- cnt > 0 ? strerror(EIO) : strerror(errno));
-
- cnt = kvm_read(kd, (u_long)ki->ki_kstack, uarea.bytes.ksbytes,
- ctob(KSTACK_PAGES));
- if (cnt != ctob(KSTACK_PAGES))
- errx(1, "read kstack structure: %s",
- cnt > 0 ? strerror(EIO) : strerror(errno));
-
- /*
- * Fill in the eproc vm parameters, since these are garbage unless
- * the kernel is dumping core or something.
- */
- uarea.user.u_kproc = *ki;
-
- /* Dump user area */
- cnt = write(fd, &uarea, sizeof(uarea));
- if (cnt != sizeof(uarea))
- errx(1, "write user structure: %s",
- cnt > 0 ? strerror(EIO) : strerror(errno));
-
- /* Dump data segment */
- datadump(efd, fd, ki, USRTEXT + ctob(tsize), dsize);
-
- /* Dump stack segment */
- userdump(fd, ki, USRSTACK - ctob(ssize), ssize);
-}
-
-void
-datadump(int efd, int fd, struct kinfo_proc *kp, u_long addr, int npage)
-{
- int cc, delta;
- char buffer[PAGE_SIZE];
-
- delta = data_offset - addr;
- while (--npage >= 0) {
- cc = kvm_uread(kd, kp, addr, buffer, PAGE_SIZE);
- if (cc != PAGE_SIZE) {
- /* Try to read the page from the executable. */
- if (lseek(efd, (off_t)addr + delta, SEEK_SET) == -1)
- err(1, "seek executable");
- cc = read(efd, buffer, sizeof(buffer));
- if (cc != sizeof(buffer)) {
- if (cc < 0)
- err(1, "read executable");
- else /* Assume untouched bss page. */
- bzero(buffer, sizeof(buffer));
- }
- }
- cc = write(fd, buffer, PAGE_SIZE);
- if (cc != PAGE_SIZE)
- errx(1, "write data segment: %s",
- cc > 0 ? strerror(EIO) : strerror(errno));
- addr += PAGE_SIZE;
- }
-}
-
-void
-userdump(int fd, struct kinfo_proc *kp, u_long addr, int npage)
-{
- int cc;
- char buffer[PAGE_SIZE];
-
- while (--npage >= 0) {
- cc = kvm_uread(kd, kp, addr, buffer, PAGE_SIZE);
- if (cc != PAGE_SIZE)
- /* Could be an untouched fill-with-zero page. */
- bzero(buffer, PAGE_SIZE);
- cc = write(fd, buffer, PAGE_SIZE);
- if (cc != PAGE_SIZE)
- errx(1, "write stack segment: %s",
- cc > 0 ? strerror(EIO) : strerror(errno));
- addr += PAGE_SIZE;
- }
-}
-
-struct dumpers aoutdump = { aoutident, aoutcore };
-TEXT_SET(dumpset, aoutdump);
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