1005 lines
24 KiB
C
1005 lines
24 KiB
C
/* objcopy.c -- copy object file from input to output, optionally massaging it.
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Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "bucomm.h"
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#include <getopt.h>
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static void setup_section ();
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static void copy_section ();
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static void mark_symbols_used_in_relocations ();
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#define nonfatal(s) {bfd_nonfatal(s); status = 1; return;}
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static asymbol **isympp = NULL; /* Input symbols */
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static asymbol **osympp = NULL; /* Output symbols that survive stripping */
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/* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
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static int copy_byte = -1;
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static int interleave = 4;
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static boolean verbose; /* Print file and target names. */
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static int status = 0; /* Exit status. */
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enum strip_action
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{
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strip_undef,
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strip_none, /* don't strip */
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strip_debug, /* strip all debugger symbols */
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strip_all /* strip all symbols */
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};
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/* Which symbols to remove. */
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static enum strip_action strip_symbols;
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enum locals_action
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{
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locals_undef,
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locals_start_L, /* discard locals starting with L */
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locals_all /* discard all locals */
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};
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/* Which local symbols to remove. Overrides strip_all. */
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static enum locals_action discard_locals;
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/* Options to handle if running as "strip". */
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static struct option strip_options[] =
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{
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{"discard-all", no_argument, 0, 'x'},
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{"discard-locals", no_argument, 0, 'X'},
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{"format", required_argument, 0, 'F'}, /* Obsolete */
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{"help", no_argument, 0, 'h'},
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{"input-format", required_argument, 0, 'I'}, /* Obsolete */
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{"input-target", required_argument, 0, 'I'},
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{"output-format", required_argument, 0, 'O'}, /* Obsolete */
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{"output-target", required_argument, 0, 'O'},
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{"strip-all", no_argument, 0, 's'},
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{"strip-debug", no_argument, 0, 'S'},
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{"target", required_argument, 0, 'F'},
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{"verbose", no_argument, 0, 'v'},
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{"version", no_argument, 0, 'V'},
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{0, no_argument, 0, 0}
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};
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/* Options to handle if running as "objcopy". */
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static struct option copy_options[] =
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{
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{"byte", required_argument, 0, 'b'},
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{"discard-all", no_argument, 0, 'x'},
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{"discard-locals", no_argument, 0, 'X'},
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{"format", required_argument, 0, 'F'}, /* Obsolete */
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{"help", no_argument, 0, 'h'},
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{"input-format", required_argument, 0, 'I'}, /* Obsolete */
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{"input-target", required_argument, 0, 'I'},
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{"interleave", required_argument, 0, 'i'},
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{"output-format", required_argument, 0, 'O'}, /* Obsolete */
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{"output-target", required_argument, 0, 'O'},
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{"strip-all", no_argument, 0, 'S'},
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{"strip-debug", no_argument, 0, 'g'},
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{"target", required_argument, 0, 'F'},
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{"verbose", no_argument, 0, 'v'},
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{"version", no_argument, 0, 'V'},
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{0, no_argument, 0, 0}
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};
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/* IMPORTS */
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extern char *program_name;
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extern char *program_version;
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/* This flag distinguishes between strip and objcopy:
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1 means this is 'strip'; 0 means this is 'objcopy'.
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-1 means if we should use argv[0] to decide. */
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extern int is_strip;
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static void
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copy_usage (stream, status)
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FILE *stream;
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int status;
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{
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fprintf (stream, "\
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Usage: %s [-vVSgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\
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[-i interleave] [--interleave=interleave] [--byte=byte]\n\
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[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
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[--strip-all] [--strip-debug] [--discard-all] [--discard-locals]\n\
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[--verbose] [--version] [--help] in-file [out-file]\n",
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program_name);
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exit (status);
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}
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static void
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strip_usage (stream, status)
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FILE *stream;
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int status;
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{
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fprintf (stream, "\
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Usage: %s [-vVsSgxX] [-I bfdname] [-O bfdname] [-F bfdname]\n\
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[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
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[--strip-all] [--strip-debug] [--discard-all] [--discard-locals]\n\
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[--verbose] [--version] [--help] file...\n",
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program_name);
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exit (status);
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}
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/* Return the name of a temporary file in the same directory as FILENAME. */
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static char *
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make_tempname (filename)
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char *filename;
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{
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static char template[] = "stXXXXXX";
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char *tmpname;
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char *slash = strrchr (filename, '/');
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if (slash != (char *) NULL)
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{
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*slash = 0;
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tmpname = xmalloc (strlen (filename) + sizeof (template) + 1);
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strcpy (tmpname, filename);
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strcat (tmpname, "/");
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strcat (tmpname, template);
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mktemp (tmpname);
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*slash = '/';
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}
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else
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{
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tmpname = xmalloc (sizeof (template));
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strcpy (tmpname, template);
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mktemp (tmpname);
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}
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return tmpname;
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}
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/* Choose which symbol entries to copy; put the result in OSYMS.
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We don't copy in place, because that confuses the relocs.
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Return the number of symbols to print. */
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static unsigned int
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filter_symbols (abfd, osyms, isyms, symcount)
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bfd *abfd;
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asymbol **osyms, **isyms;
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long symcount;
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{
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register asymbol **from = isyms, **to = osyms;
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long src_count = 0, dst_count = 0;
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for (; src_count < symcount; src_count++)
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{
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asymbol *sym = from[src_count];
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flagword flags = sym->flags;
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int keep;
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if ((flags & BSF_GLOBAL) /* Keep if external. */
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|| (flags & BSF_KEEP) /* Keep if used in a relocation. */
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|| bfd_get_section (sym) == &bfd_und_section
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|| bfd_is_com_section (bfd_get_section (sym)))
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keep = 1;
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else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
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keep = strip_symbols != strip_debug;
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else /* Local symbol. */
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keep = discard_locals != locals_all
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&& (discard_locals != locals_start_L ||
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! bfd_is_local_label (abfd, sym));
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if (keep)
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to[dst_count++] = sym;
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}
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return dst_count;
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}
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/* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long.
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Adjust *SIZE. */
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void
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filter_bytes (memhunk, size)
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char *memhunk;
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bfd_size_type *size;
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{
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char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size;
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for (; from < end; from += interleave)
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*to++ = *from;
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*size /= interleave;
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}
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/* Copy object file IBFD onto OBFD. */
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static void
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copy_object (ibfd, obfd)
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bfd *ibfd;
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bfd *obfd;
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{
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long symcount;
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if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
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{
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nonfatal (bfd_get_filename (obfd));
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}
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if (verbose)
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printf ("copy from %s(%s) to %s(%s)\n",
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bfd_get_filename(ibfd), bfd_get_target(ibfd),
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bfd_get_filename(obfd), bfd_get_target(obfd));
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if (!bfd_set_start_address (obfd, bfd_get_start_address (ibfd))
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|| !bfd_set_file_flags (obfd,
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(bfd_get_file_flags (ibfd)
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& bfd_applicable_file_flags (obfd))))
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{
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nonfatal (bfd_get_filename (ibfd));
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}
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/* Copy architecture of input file to output file */
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if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
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bfd_get_mach (ibfd)))
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{
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fprintf (stderr, "Output file cannot represent architecture %s\n",
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bfd_printable_arch_mach (bfd_get_arch (ibfd),
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bfd_get_mach (ibfd)));
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}
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if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
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{
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nonfatal (bfd_get_filename(ibfd));
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}
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if (isympp)
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free (isympp);
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if (osympp != isympp)
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free (osympp);
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/* bfd mandates that all output sections be created and sizes set before
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any output is done. Thus, we traverse all sections multiple times. */
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bfd_map_over_sections (ibfd, setup_section, (void *) obfd);
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/* Symbol filtering must happen after the output sections have
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been created, but before their contents are set. */
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if (strip_symbols == strip_all && discard_locals == locals_undef)
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{
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osympp = isympp = NULL;
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symcount = 0;
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}
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else
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{
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long symsize;
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symsize = bfd_get_symtab_upper_bound (ibfd);
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if (symsize < 0)
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{
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nonfatal (bfd_get_filename (ibfd));
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}
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osympp = isympp = (asymbol **) xmalloc (symsize);
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symcount = bfd_canonicalize_symtab (ibfd, isympp);
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if (symcount < 0)
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{
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nonfatal (bfd_get_filename (ibfd));
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}
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if (strip_symbols == strip_debug || discard_locals != locals_undef)
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{
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/* Mark symbols used in output relocations so that they
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are kept, even if they are local labels or static symbols.
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Note we iterate over the input sections examining their
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relocations since the relocations for the output sections
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haven't been set yet. mark_symbols_used_in_relocations will
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ignore input sections which have no corresponding output
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section. */
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bfd_map_over_sections (ibfd,
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mark_symbols_used_in_relocations,
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(void *)isympp);
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osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
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symcount = filter_symbols (ibfd, osympp, isympp, symcount);
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}
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}
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bfd_set_symtab (obfd, osympp, symcount);
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/* This has to happen after the symbol table has been set. */
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bfd_map_over_sections (ibfd, copy_section, (void *) obfd);
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/* Allow the BFD backend to copy any private data it understands
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from the input BFD to the output BFD. This is done last to
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permit the routine to look at the filtered symbol table, which is
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important for the ECOFF code at least. */
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if (!bfd_copy_private_bfd_data (ibfd, obfd))
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{
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fprintf (stderr, "%s: %s: error copying private BFD data: %s\n",
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program_name, bfd_get_filename (obfd),
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bfd_errmsg (bfd_get_error ()));
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status = 1;
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return;
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}
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}
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static char *
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cat (a, b, c)
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char *a;
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char *b;
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char *c;
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{
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size_t size = strlen (a) + strlen (b) + strlen (c);
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char *r = xmalloc (size + 1);
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strcpy (r, a);
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strcat (r, b);
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strcat (r, c);
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return r;
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}
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/* Read each archive element in turn from IBFD, copy the
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contents to temp file, and keep the temp file handle. */
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static void
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copy_archive (ibfd, obfd, output_target)
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bfd *ibfd;
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bfd *obfd;
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char *output_target;
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{
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bfd **ptr = &obfd->archive_head;
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bfd *this_element;
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char *dir = cat ("./#", make_tempname (""), "cd");
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/* Make a temp directory to hold the contents. */
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mkdir (dir, 0777);
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obfd->has_armap = ibfd->has_armap;
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this_element = bfd_openr_next_archived_file (ibfd, NULL);
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ibfd->archive_head = this_element;
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while (this_element != (bfd *) NULL)
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{
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/* Create an output file for this member. */
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char *output_name = cat (dir, "/", bfd_get_filename(this_element));
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bfd *output_bfd = bfd_openw (output_name, output_target);
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if (output_bfd == (bfd *) NULL)
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{
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nonfatal (output_name);
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}
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if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
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{
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nonfatal (bfd_get_filename (obfd));
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}
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if (bfd_check_format (this_element, bfd_object) == true)
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{
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copy_object (this_element, output_bfd);
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}
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bfd_close (output_bfd);
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/* Open the newly output file and attatch to our list. */
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output_bfd = bfd_openr (output_name, output_target);
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/* Mark it for deletion. */
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*ptr = output_bfd;
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ptr = &output_bfd->next;
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this_element->next = bfd_openr_next_archived_file (ibfd, this_element);
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this_element = this_element->next;
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}
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*ptr = (bfd *) NULL;
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if (!bfd_close (obfd))
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{
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nonfatal (bfd_get_filename (obfd));
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}
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/* Delete all the files that we opened.
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Construct their names again, unfortunately, but
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we're about to exit anyway. */
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for (this_element = ibfd->archive_head;
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this_element != (bfd *) NULL;
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this_element = this_element->next)
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{
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unlink (cat (dir, "/", bfd_get_filename (this_element)));
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}
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rmdir (dir);
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if (!bfd_close (ibfd))
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{
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nonfatal (bfd_get_filename (ibfd));
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}
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}
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/* The top-level control. */
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static void
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copy_file (input_filename, output_filename, input_target, output_target)
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char *input_filename;
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char *output_filename;
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char *input_target;
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char *output_target;
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{
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bfd *ibfd;
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char **matching;
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/* To allow us to do "strip *" without dying on the first
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non-object file, failures are nonfatal. */
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ibfd = bfd_openr (input_filename, input_target);
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if (ibfd == NULL)
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{
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nonfatal (input_filename);
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}
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if (bfd_check_format (ibfd, bfd_archive))
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{
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bfd *obfd = bfd_openw (output_filename, output_target);
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if (obfd == NULL)
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{
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nonfatal (output_filename);
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}
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copy_archive (ibfd, obfd, output_target);
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}
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else if (bfd_check_format_matches (ibfd, bfd_object, &matching))
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{
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bfd *obfd = bfd_openw (output_filename, output_target);
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if (obfd == NULL)
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{
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nonfatal (output_filename);
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}
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copy_object (ibfd, obfd);
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if (!bfd_close (obfd))
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{
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nonfatal (output_filename);
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}
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if (!bfd_close (ibfd))
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{
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nonfatal (input_filename);
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}
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}
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else
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{
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bfd_nonfatal (input_filename);
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if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
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{
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list_matching_formats (matching);
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free (matching);
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}
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status = 1;
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}
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}
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/* Create a section in OBFD with the same name and attributes
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as ISECTION in IBFD. */
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static void
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setup_section (ibfd, isection, obfd)
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bfd *ibfd;
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sec_ptr isection;
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bfd *obfd;
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{
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sec_ptr osection;
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char *err;
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if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0
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&& (strip_symbols == strip_debug
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|| strip_symbols == strip_all
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|| discard_locals == locals_all))
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return;
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osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection));
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if (osection == NULL)
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{
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err = "making";
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goto loser;
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}
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if (!bfd_set_section_size (obfd,
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osection,
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bfd_section_size (ibfd, isection)))
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{
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err = "size";
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goto loser;
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}
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if (bfd_set_section_vma (obfd,
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osection,
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bfd_section_vma (ibfd, isection))
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== false)
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{
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err = "vma";
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goto loser;
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}
|
||
|
||
if (bfd_set_section_alignment (obfd,
|
||
osection,
|
||
bfd_section_alignment (ibfd, isection))
|
||
== false)
|
||
{
|
||
err = "alignment";
|
||
goto loser;
|
||
}
|
||
|
||
if (!bfd_set_section_flags (obfd, osection,
|
||
bfd_get_section_flags (ibfd, isection)))
|
||
{
|
||
err = "flags";
|
||
goto loser;
|
||
}
|
||
|
||
/* This used to be mangle_section; we do here to avoid using
|
||
bfd_get_section_by_name since some formats allow multiple
|
||
sections with the same name. */
|
||
isection->output_section = osection;
|
||
isection->output_offset = 0;
|
||
|
||
/* Allow the BFD backend to copy any private data it understands
|
||
from the input section to the output section. */
|
||
if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
|
||
{
|
||
err = "private data";
|
||
goto loser;
|
||
}
|
||
|
||
/* All went well */
|
||
return;
|
||
|
||
loser:
|
||
fprintf (stderr, "%s: %s: section `%s': error in %s: %s\n",
|
||
program_name,
|
||
bfd_get_filename (ibfd), bfd_section_name (ibfd, isection),
|
||
err, bfd_errmsg (bfd_get_error ()));
|
||
status = 1;
|
||
}
|
||
|
||
/* Copy the data of input section ISECTION of IBFD
|
||
to an output section with the same name in OBFD.
|
||
If stripping then don't copy any relocation info. */
|
||
|
||
static void
|
||
copy_section (ibfd, isection, obfd)
|
||
bfd *ibfd;
|
||
sec_ptr isection;
|
||
bfd *obfd;
|
||
{
|
||
arelent **relpp;
|
||
long relcount;
|
||
sec_ptr osection;
|
||
bfd_size_type size;
|
||
|
||
if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0
|
||
&& (strip_symbols == strip_debug
|
||
|| strip_symbols == strip_all
|
||
|| discard_locals == locals_all))
|
||
{
|
||
return;
|
||
}
|
||
|
||
osection = isection->output_section;
|
||
size = bfd_get_section_size_before_reloc (isection);
|
||
|
||
if (size == 0 || osection == 0)
|
||
return;
|
||
|
||
if (strip_symbols == strip_all)
|
||
bfd_set_reloc (obfd, osection, (arelent **) NULL, 0);
|
||
else
|
||
{
|
||
long relsize;
|
||
|
||
relsize = bfd_get_reloc_upper_bound (ibfd, isection);
|
||
if (relsize < 0)
|
||
{
|
||
nonfatal (bfd_get_filename (ibfd));
|
||
}
|
||
if (relsize == 0)
|
||
bfd_set_reloc (obfd, osection, (arelent **) NULL, 0);
|
||
else
|
||
{
|
||
relpp = (arelent **) xmalloc (relsize);
|
||
relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
|
||
if (relcount < 0)
|
||
{
|
||
nonfatal (bfd_get_filename (ibfd));
|
||
}
|
||
bfd_set_reloc (obfd, osection, relpp, relcount);
|
||
}
|
||
}
|
||
|
||
isection->_cooked_size = isection->_raw_size;
|
||
isection->reloc_done = true;
|
||
|
||
if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS)
|
||
{
|
||
PTR memhunk = (PTR) xmalloc ((unsigned) size);
|
||
|
||
if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0,
|
||
size))
|
||
{
|
||
nonfatal (bfd_get_filename (ibfd));
|
||
}
|
||
|
||
if (copy_byte >= 0)
|
||
{
|
||
filter_bytes (memhunk, &size);
|
||
/* The section has gotten smaller. */
|
||
if (!bfd_set_section_size (obfd, osection, size))
|
||
nonfatal (bfd_get_filename (obfd));
|
||
}
|
||
|
||
if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0,
|
||
size))
|
||
{
|
||
nonfatal (bfd_get_filename (obfd));
|
||
}
|
||
free (memhunk);
|
||
}
|
||
}
|
||
|
||
/* Mark all the symbols which will be used in output relocations with
|
||
the BSF_KEEP flag so that those symbols will not be stripped.
|
||
|
||
Ignore relocations which will not appear in the output file. */
|
||
|
||
static void
|
||
mark_symbols_used_in_relocations (ibfd, isection, symbols)
|
||
bfd *ibfd;
|
||
sec_ptr isection;
|
||
asymbol **symbols;
|
||
{
|
||
long relsize;
|
||
arelent **relpp;
|
||
long relcount, i;
|
||
|
||
/* Ignore an input section with no corresponding output section. */
|
||
if (isection->output_section == NULL)
|
||
return;
|
||
|
||
relsize = bfd_get_reloc_upper_bound (ibfd, isection);
|
||
if (relsize < 0)
|
||
bfd_fatal (bfd_get_filename (ibfd));
|
||
|
||
relpp = (arelent **) xmalloc (relsize);
|
||
relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
|
||
if (relcount < 0)
|
||
bfd_fatal (bfd_get_filename (ibfd));
|
||
|
||
/* Examine each symbol used in a relocation. If it's not one of the
|
||
special bfd section symbols, then mark it with BSF_KEEP. */
|
||
for (i = 0; i < relcount; i++)
|
||
{
|
||
if (*relpp[i]->sym_ptr_ptr != bfd_com_section.symbol
|
||
&& *relpp[i]->sym_ptr_ptr != bfd_abs_section.symbol
|
||
&& *relpp[i]->sym_ptr_ptr != bfd_und_section.symbol)
|
||
(*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
|
||
}
|
||
|
||
if (relpp != NULL)
|
||
free (relpp);
|
||
}
|
||
|
||
/* The number of bytes to copy at once. */
|
||
#define COPY_BUF 8192
|
||
|
||
/* Copy file FROM to file TO, performing no translations.
|
||
Return 0 if ok, -1 if error. */
|
||
|
||
static int
|
||
simple_copy (from, to)
|
||
char *from, *to;
|
||
{
|
||
int fromfd, tofd, nread;
|
||
char buf[COPY_BUF];
|
||
|
||
fromfd = open (from, O_RDONLY);
|
||
if (fromfd < 0)
|
||
return -1;
|
||
tofd = open (to, O_WRONLY | O_CREAT | O_TRUNC);
|
||
if (tofd < 0)
|
||
{
|
||
close (fromfd);
|
||
return -1;
|
||
}
|
||
while ((nread = read (fromfd, buf, sizeof buf)) > 0)
|
||
{
|
||
if (write (tofd, buf, nread) != nread)
|
||
{
|
||
close (fromfd);
|
||
close (tofd);
|
||
return -1;
|
||
}
|
||
}
|
||
close (fromfd);
|
||
close (tofd);
|
||
if (nread < 0)
|
||
return -1;
|
||
return 0;
|
||
}
|
||
|
||
#ifndef S_ISLNK
|
||
#ifdef S_IFLNK
|
||
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
|
||
#else
|
||
#define S_ISLNK(m) 0
|
||
#define lstat stat
|
||
#endif
|
||
#endif
|
||
|
||
/* Rename FROM to TO, copying if TO is a link.
|
||
Assumes that TO already exists, because FROM is a temp file.
|
||
Return 0 if ok, -1 if error. */
|
||
|
||
static int
|
||
smart_rename (from, to)
|
||
char *from, *to;
|
||
{
|
||
struct stat s;
|
||
int ret = 0;
|
||
|
||
if (lstat (to, &s))
|
||
return -1;
|
||
|
||
/* Use rename only if TO is not a symbolic link and has
|
||
only one hard link. */
|
||
if (!S_ISLNK (s.st_mode) && s.st_nlink == 1)
|
||
{
|
||
ret = rename (from, to);
|
||
if (ret == 0)
|
||
{
|
||
/* Try to preserve the permission bits and ownership of TO. */
|
||
chmod (to, s.st_mode & 07777);
|
||
chown (to, s.st_uid, s.st_gid);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ret = simple_copy (from, to);
|
||
if (ret == 0)
|
||
unlink (from);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
static int
|
||
strip_main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
char *input_target = NULL, *output_target = NULL;
|
||
boolean show_version = false;
|
||
int c, i;
|
||
|
||
while ((c = getopt_long (argc, argv, "I:O:F:sSgxXVv",
|
||
strip_options, (int *) 0)) != EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'I':
|
||
input_target = optarg;
|
||
break;
|
||
case 'O':
|
||
output_target = optarg;
|
||
break;
|
||
case 'F':
|
||
input_target = output_target = optarg;
|
||
break;
|
||
case 's':
|
||
strip_symbols = strip_all;
|
||
break;
|
||
case 'S':
|
||
case 'g':
|
||
strip_symbols = strip_debug;
|
||
break;
|
||
case 'x':
|
||
discard_locals = locals_all;
|
||
break;
|
||
case 'X':
|
||
discard_locals = locals_start_L;
|
||
break;
|
||
case 'v':
|
||
verbose = true;
|
||
break;
|
||
case 'V':
|
||
show_version = true;
|
||
break;
|
||
case 0:
|
||
break; /* we've been given a long option */
|
||
case 'h':
|
||
strip_usage (stdout, 0);
|
||
default:
|
||
strip_usage (stderr, 1);
|
||
}
|
||
}
|
||
|
||
if (show_version)
|
||
{
|
||
printf ("GNU %s version %s\n", program_name, program_version);
|
||
exit (0);
|
||
}
|
||
|
||
/* Default is to strip all symbols. */
|
||
if (strip_symbols == strip_undef && discard_locals == locals_undef)
|
||
strip_symbols = strip_all;
|
||
|
||
if (output_target == (char *) NULL)
|
||
output_target = input_target;
|
||
|
||
i = optind;
|
||
if (i == argc)
|
||
strip_usage (stderr, 1);
|
||
|
||
for (; i < argc; i++)
|
||
{
|
||
int hold_status = status;
|
||
|
||
char *tmpname = make_tempname (argv[i]);
|
||
status = 0;
|
||
copy_file (argv[i], tmpname, input_target, output_target);
|
||
if (status == 0)
|
||
{
|
||
smart_rename (tmpname, argv[i]);
|
||
status = hold_status;
|
||
}
|
||
else
|
||
unlink (tmpname);
|
||
free (tmpname);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int
|
||
copy_main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
char *input_filename, *output_filename;
|
||
char *input_target = NULL, *output_target = NULL;
|
||
boolean show_version = false;
|
||
int c;
|
||
|
||
while ((c = getopt_long (argc, argv, "b:i:I:s:O:d:F:SgxXVv",
|
||
copy_options, (int *) 0)) != EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'b':
|
||
copy_byte = atoi(optarg);
|
||
if (copy_byte < 0)
|
||
{
|
||
fprintf (stderr, "%s: byte number must be non-negative\n",
|
||
program_name);
|
||
exit (1);
|
||
}
|
||
break;
|
||
case 'i':
|
||
interleave = atoi(optarg);
|
||
if (interleave < 1)
|
||
{
|
||
fprintf(stderr, "%s: interleave must be positive\n",
|
||
program_name);
|
||
exit (1);
|
||
}
|
||
break;
|
||
case 'I':
|
||
case 's': /* "source" - 'I' is preferred */
|
||
input_target = optarg;
|
||
break;
|
||
case 'O':
|
||
case 'd': /* "destination" - 'O' is preferred */
|
||
output_target = optarg;
|
||
break;
|
||
case 'F':
|
||
input_target = output_target = optarg;
|
||
break;
|
||
case 'S':
|
||
strip_symbols = strip_all;
|
||
break;
|
||
case 'g':
|
||
strip_symbols = strip_debug;
|
||
break;
|
||
case 'x':
|
||
discard_locals = locals_all;
|
||
break;
|
||
case 'X':
|
||
discard_locals = locals_start_L;
|
||
break;
|
||
case 'v':
|
||
verbose = true;
|
||
break;
|
||
case 'V':
|
||
show_version = true;
|
||
break;
|
||
case 0:
|
||
break; /* we've been given a long option */
|
||
case 'h':
|
||
copy_usage (stdout, 0);
|
||
default:
|
||
copy_usage (stderr, 1);
|
||
}
|
||
}
|
||
|
||
if (show_version)
|
||
{
|
||
printf ("GNU %s version %s\n", program_name, program_version);
|
||
exit (0);
|
||
}
|
||
|
||
if (copy_byte >= interleave)
|
||
{
|
||
fprintf (stderr, "%s: byte number must be less than interleave\n",
|
||
program_name);
|
||
exit (1);
|
||
}
|
||
|
||
if (optind == argc || optind + 2 < argc)
|
||
copy_usage (stderr, 1);
|
||
|
||
input_filename = argv[optind];
|
||
if (optind + 1 < argc)
|
||
output_filename = argv[optind + 1];
|
||
|
||
/* Default is to strip no symbols. */
|
||
if (strip_symbols == strip_undef && discard_locals == locals_undef)
|
||
strip_symbols = strip_none;
|
||
|
||
if (output_target == (char *) NULL)
|
||
output_target = input_target;
|
||
|
||
/* If there is no destination file then create a temp and rename
|
||
the result into the input. */
|
||
|
||
if (output_filename == (char *) NULL)
|
||
{
|
||
char *tmpname = make_tempname (input_filename);
|
||
copy_file (input_filename, tmpname, input_target, output_target);
|
||
if (status == 0)
|
||
smart_rename (tmpname, input_filename);
|
||
else
|
||
unlink (tmpname);
|
||
}
|
||
else
|
||
{
|
||
copy_file (input_filename, output_filename, input_target, output_target);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
program_name = argv[0];
|
||
xmalloc_set_program_name (program_name);
|
||
strip_symbols = strip_undef;
|
||
discard_locals = locals_undef;
|
||
|
||
bfd_init ();
|
||
|
||
if (is_strip < 0)
|
||
{
|
||
int i = strlen (program_name);
|
||
is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip"));
|
||
}
|
||
|
||
if (is_strip)
|
||
strip_main (argc, argv);
|
||
else
|
||
copy_main (argc, argv);
|
||
|
||
return status;
|
||
}
|