patch-2.0.4 linux/arch/ppc/kernel/mkboot.c

• Lines: 270
• Date: Thu Jan 1 02:00:00 1970
• Orig file: v2.0.3/linux/arch/ppc/kernel/mkboot.c
• Orig date: Tue May 28 08:09:55 1996

diff -u --recursive --new-file v2.0.3/linux/arch/ppc/kernel/mkboot.c linux/arch/ppc/kernel/mkboot.c
@@ -1,269 +0,0 @@
-/*
- * mkboot - Make a 'boot' image from a PowerPC (ELF) binary
- *
- * usage: mkboot <ELF-file> <Boot-file>
- *
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <elf/common.h>
-#include <elf/external.h>
-
-#define MAX_SECTIONS 64
-int fd;
-Elf32_External_Ehdr hdr;
-Elf32_External_Shdr sections[MAX_SECTIONS];
-char *symtab;
-
-/* Boolean type definitions */
-
-#define FALSE     0
-#define TRUE      1
-#define bool  short
-
-extern char *strerror();
-extern int errno;
-
-#define ADDR unsigned long
-
-/* Definitions that control the shape of the output */
-#define MAX_ITEMS  32  /* Max # bytes per line */
-
-FILE *in_file;  /* Input (binary image) file */
-FILE *out_file; /* Output (boot image) file */
-
-int org = -1;
-
-#ifdef linux
-long
-_LONG(unsigned long *p)
-{
-  unsigned char *xp = (unsigned char *)p;
-  return ((xp[0]<<24) | (xp[1]<<16) | (xp[2]<<8) | xp[3]);
-}
-
-unsigned short
-_USHORT(unsigned short *p)
-{
-  unsigned char *xp = (unsigned char *)p;
-  return ((xp[0]<<8) | xp[1]);
-}
-#else
-#define _LONG *
-#define _USHORT *
-#endif
-
-Elf32_External_Shdr *
-find_section(char *section_name)
-{
-  Elf32_External_Shdr *shdr = sections;
-  int i;
-  for (i = 0;  i < MAX_SECTIONS;  i++, shdr++)
-  {
-    if (strcmp(section_name, &symtab[_LONG((int *)shdr->sh_name)]) == 0)
-    {
-      return (shdr);
-    }
-  }
-  return ((Elf32_External_Shdr *)0);
-}
-
-main (argc, argv)
-  int argc;
-  char *argv[];
-{
-  if ((argc == 3) || (argc == 4))
-  {
-    if (argc == 4)
-    {
-      org = strtol(argv[3], NULL, 0);
-    }
-    if (init(argc, argv))
-    {
-      process(argv[2]);
-    }
-    else exit(255);
-  } else
-  { /* Illegal command line */
-    fprintf(stderr, "Syntax: mkboot <bin_file> <out_file>\n");
-    exit(255);
-  }
-  exit(0);
-}
-
-init(argc, argv)
-  int argc;
-  char *argv[];
-{
-  int sizeof_sections, size;
-  char *fn = argv[1];
-  Elf32_External_Shdr *shdr;
-  if ((out_file = fopen(argv[2], "w")) == (FILE *)NULL)
-  {
-    io_err("creating output file");
-    return (FALSE);
-  }
-  if ((in_file = fopen(fn, "r")) == (FILE *)NULL)
-  {
-    fprintf(stderr, "Can't open '%s': %s\n", fn, strerror(errno));
-    return (FALSE);
-  }
-  if (fread(&hdr, sizeof(hdr), 1, in_file) != 1)
-  {
-    fprintf(stderr, "Can't read ELF header: %s\n", strerror(errno));
-    return (FALSE);
-  }
-  /* Make sure this is a file we like */
-  if ((hdr.e_ident[EI_MAG0] != ELFMAG0) || (hdr.e_ident[EI_MAG1] != ELFMAG1) ||
-      (hdr.e_ident[EI_MAG2] != ELFMAG2) || (hdr.e_ident[EI_MAG3] != ELFMAG3))
-  {
-    fprintf(stderr, "Invalid binary file (not ELF)\n");
-    return (FALSE);
-  }
-  if (hdr.e_ident[EI_CLASS] != ELFCLASS32)
-  {
-    fprintf(stderr, "Invalid binary file (not ELF32)\n");
-    return (FALSE);
-  }
-  if ((_USHORT((unsigned short *)hdr.e_machine) != EM_CYGNUS_POWERPC) &&
-      (_USHORT((unsigned short *)hdr.e_machine) != EM_PPC))
-  {
-    fprintf(stderr, "Invalid binary file (not PowerPC)\n");
-    return (FALSE);
-  }
-  if (_USHORT((unsigned short *)hdr.e_shnum) > MAX_SECTIONS)
-  {
-    fprintf(stderr, "Invalid binary file (too many sections)\n");
-    return (FALSE);
-  }
-  fseek(in_file, _LONG((int *)hdr.e_shoff), 0);
-  sizeof_sections = _USHORT((unsigned short *)hdr.e_shnum) * sizeof(sections[0]);
-  if (fread(sections, sizeof_sections, 1, in_file) != 1)
-  {
-    fprintf(stderr, "Can't read sections: %s\n", strerror(errno));
-    return (FALSE);
-  }
-  /* Read in symbol table */
-  shdr = &sections[_USHORT((unsigned short *)hdr.e_shstrndx)];
-  size = _LONG((int *)shdr->sh_size);
-  if (!(symtab = malloc(256)))
-  {
-    fprintf(stderr, "Can't allocate memory for symbol table.\n");
-    return (FALSE);
-  }
-  fseek(in_file, _LONG((int *)shdr->sh_offset), 0);
-  if (fread(symtab, size, 1, in_file) != 1)
-  {
-    fprintf(stderr, "Can't read symbol table: %s\n", strerror(errno));
-    return (FALSE);
-  }
-  return (TRUE);
-}
-
-process(out_name)
-  char *out_name;
-{
-  Elf32_External_Shdr *shdr_text, *shdr_data;
-  long relocated_text_base, text_base, text_offset, text_size;
-  long relocated_data_base, data_base, data_offset, data_size;
-  shdr_text = find_section(".text");
-  shdr_data = find_section(".data");
-  text_base = relocated_text_base = _LONG((int *)shdr_text->sh_addr);
-  text_size = _LONG((int *)shdr_text->sh_size);
-  text_offset = _LONG((int *)shdr_text->sh_offset);
-  data_base = relocated_data_base = _LONG((int *)shdr_data->sh_addr);
-  data_size = _LONG((int *)shdr_data->sh_size);
-  data_offset = _LONG((int *)shdr_data->sh_offset);
-  if (org >= 0)
-  {
-  	relocated_text_base = org;
-  	relocated_data_base = data_base - text_base + org;
-  }
-fprintf(stderr, "TEXT %x bytes at %x[%x]\n", text_size, text_base, relocated_text_base);
-fprintf(stderr, "DATA %x bytes at %x[%x]\n", data_size, data_base, relocated_data_base);
-  if (dump_segment(text_offset, relocated_text_base, text_size) &&
-      dump_segment(data_offset, relocated_data_base, data_size))
-  {
-  } else
-  {
-    unlink(out_name);
-  }
-}
-
-dump_segment(off, base, size)
-  long off;
-  ADDR base;
-  long size;
-{
-  char buf[4096];
-  int len;
-  bool ok = TRUE;
-fprintf(stderr, "Reading %x bytes at %x.%x\n", size, off, base);
-  fseek(in_file, 0, 0);
-  fseek(in_file, off, 0);
-#if 0  
-  if (org >= 0)
-  {
-     fseek(out_file, base+org, 0);
-  } else
-  {
-     fseek(out_file, base, 0);
-  }
-#else
-  fseek(out_file, base, 0);
-#endif  
-  while (size && ok)
-  {
-    len = size;
-    if (len > sizeof(buf))
-    {
-      len = sizeof(buf);
-    }
-    if (fread(buf, sizeof(char), len, in_file) == len)
-    {
-      fwrite(buf, sizeof(char), len, out_file);
-    } else
-    {
-      fprintf(stderr,"Premature EOF encountered.\n");
-      ok = FALSE;
-    }
-    size -= len;
-  }
-  return (ok);
-}
-
-io_err(what)
-  char *what;
-{
-  fprintf(stderr, "Error %s: %s\n", what, strerror(errno));
-}
-
-
-
-#ifdef sun
-extern int sys_nerr;
-extern char *sys_errlist[];
-
-char *
-strerror(int errno)
-{
-	static char msg[32];
-	if (errno <= sys_nerr)
-	{
-		return (sys_errlist[errno]);
-	} else
-	{
-		sprintf(msg, "<<Unknown error: %d>>", errno);
-		return (msg);
-	}
-}
-
-strtoul(char *str, char **radix, int base)
-{
-	return(strtol(str, radix, base));
-}
-#endif
-
-