90f6517da9
same directory as the output BFD, since we may not have write permission on the current directory. Set the permissions of the new directory to 0700, not 0777.
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 = make_tempname (bfd_get_filename (obfd));
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/* Make a temp directory to hold the contents. */
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mkdir (dir, 0700);
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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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|
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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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|
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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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|
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copy_object (ibfd, obfd);
|
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|
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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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else
|
||
{
|
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bfd_nonfatal (input_filename);
|
||
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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|
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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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|
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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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|
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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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|
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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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|
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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)
|
||
{
|
||
err = "vma";
|
||
goto loser;
|
||
}
|
||
|
||
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;
|
||
}
|