102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1999 Global Technology Associates, Inc.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "aouthdr.h"
|
|
#include "elfhdr.h"
|
|
#include "kgzip.h"
|
|
|
|
#define align(x, y) (((x) + (y) - 1) & ~((y) - 1))
|
|
|
|
/*
|
|
* Link KGZ file and loader.
|
|
*/
|
|
void
|
|
kgzld(struct kgz_hdr * kh, const char *f1, const char *f2)
|
|
{
|
|
char addr[16];
|
|
struct iodesc idi;
|
|
pid_t pid;
|
|
size_t n;
|
|
int status;
|
|
|
|
if (strcmp(kh->ident, "KGZ")) {
|
|
if ((idi.fd = open(idi.fname = f1, O_RDONLY)) == -1)
|
|
err(1, "%s", idi.fname);
|
|
if (!format) {
|
|
union {
|
|
struct exec ex;
|
|
Elf32_Ehdr ee;
|
|
} hdr;
|
|
n = xread(&idi, &hdr, sizeof(hdr), 0);
|
|
if (n >= sizeof(hdr.ee) && IS_ELF(hdr.ee))
|
|
format = F_ELF;
|
|
else if (n >= sizeof(hdr.ex) &&
|
|
N_GETMAGIC(hdr.ex) == OMAGIC)
|
|
format = F_AOUT;
|
|
if (!format)
|
|
errx(1, "%s: Format not supported", idi.fname);
|
|
}
|
|
n = xread(&idi, kh, sizeof(*kh),
|
|
format == F_AOUT ? sizeof(struct kgz_aouthdr0)
|
|
: sizeof(struct kgz_elfhdr));
|
|
xclose(&idi);
|
|
if (n != sizeof(*kh) || strcmp(kh->ident, "KGZ"))
|
|
errx(1, "%s: Invalid format", idi.fname);
|
|
}
|
|
sprintf(addr, "%#x", align(kh->dload + kh->dsize, 0x1000));
|
|
switch (pid = fork()) {
|
|
case -1:
|
|
err(1, NULL);
|
|
case 0:
|
|
if (format == F_AOUT)
|
|
execlp("ld", "ld", "-aout", "-Z", "-T", addr, "-o", f2,
|
|
loader, f1, (char *)NULL);
|
|
else
|
|
execlp("ld", "ld", "-Ttext", addr, "-o", f2, loader, f1,
|
|
(char *)NULL);
|
|
warn(NULL);
|
|
_exit(1);
|
|
default:
|
|
if ((pid = waitpid(pid, &status, 0)) == -1)
|
|
err(1, NULL);
|
|
if (WIFSIGNALED(status) || WEXITSTATUS(status))
|
|
exit(1);
|
|
}
|
|
}
|