patch-2.1.79 linux/arch/ppc/coffboot/elfextract.c

• Lines: 99
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.78/linux/arch/ppc/coffboot/elfextract.c
• Orig date: Mon Aug 18 18:19:44 1997

diff -u --recursive --new-file v2.1.78/linux/arch/ppc/coffboot/elfextract.c linux/arch/ppc/coffboot/elfextract.c
@@ -1,98 +0,0 @@
-/*
- * Extract the loadable program segment from an elf file.
- *
- * Copyright 1996 Paul Mackerras.
- *
- * 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 <linux/elf.h>
-
-FILE *fi, *fo;
-char *ni, *no;
-char buf[65536];
-
-void
-rd(void *buf, int len)
-{
-    int nr;
-
-    nr = fread(buf, 1, len, fi);
-    if (nr == len)
-	return;
-    if (ferror(fi))
-	fprintf(stderr, "%s: read error\n", ni);
-    else
-	fprintf(stderr, "%s: short file\n", ni);
-    exit(1);
-}
-
-main(int ac, char **av)
-{
-    unsigned nb, len;
-    Elf32_Ehdr eh;
-    Elf32_Phdr ph;
-
-    if (ac > 3 || ac > 1 && av[1][0] == '-') {
-	fprintf(stderr, "Usage: %s [elf-file [image-file]]\n", av[0]);
-	exit(0);
-    }
-
-    fi = stdin;
-    ni = "(stdin)";
-    fo = stdout;
-    no = "(stdout)";
-
-    if (ac > 1) {
-	ni = av[1];
-	fi = fopen(ni, "rb");
-	if (fi == NULL) {
-	    perror(ni);
-	    exit(1);
-	}
-    }
-
-    rd(&eh, sizeof(eh));
-    if (eh.e_ident[EI_MAG0] != ELFMAG0
-	|| eh.e_ident[EI_MAG1] != ELFMAG1
-	|| eh.e_ident[EI_MAG2] != ELFMAG2
-	|| eh.e_ident[EI_MAG3] != ELFMAG3) {
-	fprintf(stderr, "%s: not an ELF file\n", ni);
-	exit(1);
-    }
-
-    fseek(fi, eh.e_phoff + (eh.e_phnum - 1) * sizeof(ph), 0);
-    rd(&ph, sizeof(ph));
-    if (ph.p_type != PT_LOAD) {
-	fprintf(stderr, "%s: doesn't have a loadable segment\n", ni);
-	exit(1);
-    }
-
-    if (ac > 2) {
-	no = av[2];
-	fo = fopen(no, "wb");
-	if (fo == NULL) {
-	    perror(no);
-	    exit(1);
-	}
-    }
-
-    fseek(fi, ph.p_offset, 0);
-    for (len = ph.p_filesz; len != 0; len -= nb) {
-	nb = len;
-	if (nb > sizeof(buf))
-	    nb = sizeof(buf);
-	rd(buf, nb);
-	if (fwrite(buf, 1, nb, fo) != nb) {
-	    fprintf(stderr, "%s: write error\n", no);
-	    exit(1);
-	}
-    }
-
-    fclose(fo);
-    fclose(fi);
-    exit(0);
-}