patch-2.4.5 linux/arch/ppc/coffboot/hack-coff.c
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- Lines: 80
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.4/linux/arch/ppc/coffboot/hack-coff.c
- Orig date:
Sat Aug 16 09:51:08 1997
diff -u --recursive --new-file v2.4.4/linux/arch/ppc/coffboot/hack-coff.c linux/arch/ppc/coffboot/hack-coff.c
@@ -1,79 +0,0 @@
-/*
- * hack-coff.c - hack the header of an xcoff file to fill in
- * a few fields needed by the Open Firmware xcoff loader on
- * Power Macs but not initialized by objcopy.
- *
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <stdio.h>
-#include "rs6000.h"
-
-#define AOUT_MAGIC 0x010b
-
-#define get_16be(x) ((((unsigned char *)(x))[0] << 8) \
- + ((unsigned char *)(x))[1])
-#define put_16be(x, v) (((unsigned char *)(x))[0] = (v) >> 8, \
- ((unsigned char *)(x))[1] = (v) & 0xff)
-#define get_32be(x) ((((unsigned char *)(x))[0] << 24) \
- + (((unsigned char *)(x))[1] << 16) \
- + (((unsigned char *)(x))[2] << 8) \
- + ((unsigned char *)(x))[3])
-
-main(int ac, char **av)
-{
- int fd;
- int i, nsect;
- int aoutsz;
- struct external_filehdr fhdr;
- AOUTHDR aout;
- struct external_scnhdr shdr;
-
- if (ac != 2) {
- fprintf(stderr, "Usage: hack-coff coff-file\n");
- exit(1);
- }
- if ((fd = open(av[1], 2)) == -1) {
- perror(av[2]);
- exit(1);
- }
- if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr))
- goto readerr;
- i = get_16be(fhdr.f_magic);
- if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) {
- fprintf(stderr, "%s: not an xcoff file\n", av[1]);
- exit(1);
- }
- aoutsz = get_16be(fhdr.f_opthdr);
- if (read(fd, &aout, aoutsz) != aoutsz)
- goto readerr;
- nsect = get_16be(fhdr.f_nscns);
- for (i = 0; i < nsect; ++i) {
- if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr))
- goto readerr;
- if (strcmp(shdr.s_name, ".text") == 0) {
- put_16be(aout.o_snentry, i+1);
- put_16be(aout.o_sntext, i+1);
- } else if (strcmp(shdr.s_name, ".data") == 0) {
- put_16be(aout.o_sndata, i+1);
- } else if (strcmp(shdr.s_name, ".bss") == 0) {
- put_16be(aout.o_snbss, i+1);
- }
- }
- put_16be(aout.magic, AOUT_MAGIC);
- if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1
- || write(fd, &aout, aoutsz) != aoutsz) {
- fprintf(stderr, "%s: write error\n", av[1]);
- exit(1);
- }
- close(fd);
- exit(0);
-
-readerr:
- fprintf(stderr, "%s: read error or file too short\n", av[1]);
- exit(1);
-}
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