8066d1a283
requested.
2042 lines
55 KiB
C
2042 lines
55 KiB
C
/* objcopy.c -- copy object file from input to output, optionally massaging it.
|
||
Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
|
||
Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU Binutils.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
02111-1307, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "progress.h"
|
||
#include "bucomm.h"
|
||
#include "getopt.h"
|
||
#include "libiberty.h"
|
||
#include "budbg.h"
|
||
#include <sys/stat.h>
|
||
|
||
/* A list of symbols to explicitly strip out, or to keep. A linked
|
||
list is good enough for a small number from the command line, but
|
||
this will slow things down a lot if many symbols are being
|
||
deleted. */
|
||
|
||
struct symlist
|
||
{
|
||
const char *name;
|
||
struct symlist *next;
|
||
};
|
||
|
||
static void copy_usage PARAMS ((FILE *, int));
|
||
static void strip_usage PARAMS ((FILE *, int));
|
||
static flagword parse_flags PARAMS ((const char *));
|
||
static struct section_list *find_section_list PARAMS ((const char *, boolean));
|
||
static void setup_section PARAMS ((bfd *, asection *, PTR));
|
||
static void copy_section PARAMS ((bfd *, asection *, PTR));
|
||
static void get_sections PARAMS ((bfd *, asection *, PTR));
|
||
static int compare_section_lma PARAMS ((const PTR, const PTR));
|
||
static void add_specific_symbol PARAMS ((const char *, struct symlist **));
|
||
static boolean is_specified_symbol PARAMS ((const char *, struct symlist *));
|
||
static boolean is_strip_section PARAMS ((bfd *, asection *));
|
||
static unsigned int filter_symbols
|
||
PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long));
|
||
static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR));
|
||
static void filter_bytes PARAMS ((char *, bfd_size_type *));
|
||
static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***));
|
||
static void copy_object PARAMS ((bfd *, bfd *));
|
||
static void copy_archive PARAMS ((bfd *, bfd *, const char *));
|
||
static void copy_file
|
||
PARAMS ((const char *, const char *, const char *, const char *));
|
||
static int strip_main PARAMS ((int, char **));
|
||
static int copy_main PARAMS ((int, char **));
|
||
|
||
#define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;}
|
||
|
||
static asymbol **isympp = NULL; /* Input symbols */
|
||
static asymbol **osympp = NULL; /* Output symbols that survive stripping */
|
||
|
||
/* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
|
||
static int copy_byte = -1;
|
||
static int interleave = 4;
|
||
|
||
static boolean verbose; /* Print file and target names. */
|
||
static boolean preserve_dates; /* Preserve input file timestamp. */
|
||
static int status = 0; /* Exit status. */
|
||
|
||
enum strip_action
|
||
{
|
||
STRIP_UNDEF,
|
||
STRIP_NONE, /* don't strip */
|
||
STRIP_DEBUG, /* strip all debugger symbols */
|
||
STRIP_UNNEEDED, /* strip unnecessary symbols */
|
||
STRIP_ALL /* strip all symbols */
|
||
};
|
||
|
||
/* Which symbols to remove. */
|
||
static enum strip_action strip_symbols;
|
||
|
||
enum locals_action
|
||
{
|
||
LOCALS_UNDEF,
|
||
LOCALS_START_L, /* discard locals starting with L */
|
||
LOCALS_ALL /* discard all locals */
|
||
};
|
||
|
||
/* Which local symbols to remove. Overrides STRIP_ALL. */
|
||
static enum locals_action discard_locals;
|
||
|
||
/* What kind of change to perform. */
|
||
enum change_action
|
||
{
|
||
CHANGE_IGNORE,
|
||
CHANGE_MODIFY,
|
||
CHANGE_SET
|
||
};
|
||
|
||
/* Structure used to hold lists of sections and actions to take. */
|
||
struct section_list
|
||
{
|
||
struct section_list * next; /* Next section to change. */
|
||
const char * name; /* Section name. */
|
||
boolean used; /* Whether this entry was used. */
|
||
boolean remove; /* Whether to remove this section. */
|
||
enum change_action change_vma;/* Whether to change or set VMA. */
|
||
bfd_vma vma_val; /* Amount to change by or set to. */
|
||
enum change_action change_lma;/* Whether to change or set LMA. */
|
||
bfd_vma lma_val; /* Amount to change by or set to. */
|
||
boolean set_flags; /* Whether to set the section flags. */
|
||
flagword flags; /* What to set the section flags to. */
|
||
};
|
||
|
||
static struct section_list *change_sections;
|
||
static boolean sections_removed;
|
||
|
||
/* Changes to the start address. */
|
||
static bfd_vma change_start = 0;
|
||
static boolean set_start_set = false;
|
||
static bfd_vma set_start;
|
||
|
||
/* Changes to section addresses. */
|
||
static bfd_vma change_section_address = 0;
|
||
|
||
/* Filling gaps between sections. */
|
||
static boolean gap_fill_set = false;
|
||
static bfd_byte gap_fill = 0;
|
||
|
||
/* Pad to a given address. */
|
||
static boolean pad_to_set = false;
|
||
static bfd_vma pad_to;
|
||
|
||
/* List of sections to add. */
|
||
|
||
struct section_add
|
||
{
|
||
/* Next section to add. */
|
||
struct section_add *next;
|
||
/* Name of section to add. */
|
||
const char *name;
|
||
/* Name of file holding section contents. */
|
||
const char *filename;
|
||
/* Size of file. */
|
||
size_t size;
|
||
/* Contents of file. */
|
||
bfd_byte *contents;
|
||
/* BFD section, after it has been added. */
|
||
asection *section;
|
||
};
|
||
|
||
static struct section_add *add_sections;
|
||
|
||
/* Whether to convert debugging information. */
|
||
|
||
static boolean convert_debugging = false;
|
||
|
||
/* Whether to change the leading character in symbol names. */
|
||
|
||
static boolean change_leading_char = false;
|
||
|
||
/* Whether to remove the leading character from global symbol names. */
|
||
|
||
static boolean remove_leading_char = false;
|
||
|
||
/* List of symbols to strip, keep, localize, and weaken. */
|
||
|
||
static struct symlist *strip_specific_list = NULL;
|
||
static struct symlist *keep_specific_list = NULL;
|
||
static struct symlist *localize_specific_list = NULL;
|
||
static struct symlist *weaken_specific_list = NULL;
|
||
|
||
/* If this is true, we weaken global symbols (set BSF_WEAK). */
|
||
|
||
static boolean weaken = false;
|
||
|
||
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
|
||
|
||
#define OPTION_ADD_SECTION 150
|
||
#define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1)
|
||
#define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1)
|
||
#define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1)
|
||
#define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1)
|
||
#define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1)
|
||
#define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1)
|
||
#define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1)
|
||
#define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1)
|
||
#define OPTION_GAP_FILL (OPTION_DEBUGGING + 1)
|
||
#define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1)
|
||
#define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1)
|
||
#define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1)
|
||
#define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1)
|
||
#define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1)
|
||
#define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1)
|
||
#define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1)
|
||
|
||
/* Options to handle if running as "strip". */
|
||
|
||
static struct option strip_options[] =
|
||
{
|
||
{"discard-all", no_argument, 0, 'x'},
|
||
{"discard-locals", no_argument, 0, 'X'},
|
||
{"format", required_argument, 0, 'F'}, /* Obsolete */
|
||
{"help", no_argument, 0, 'h'},
|
||
{"input-format", required_argument, 0, 'I'}, /* Obsolete */
|
||
{"input-target", required_argument, 0, 'I'},
|
||
{"keep-symbol", required_argument, 0, 'K'},
|
||
{"output-format", required_argument, 0, 'O'}, /* Obsolete */
|
||
{"output-target", required_argument, 0, 'O'},
|
||
{"preserve-dates", no_argument, 0, 'p'},
|
||
{"remove-section", required_argument, 0, 'R'},
|
||
{"strip-all", no_argument, 0, 's'},
|
||
{"strip-debug", no_argument, 0, 'S'},
|
||
{"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
|
||
{"strip-symbol", required_argument, 0, 'N'},
|
||
{"target", required_argument, 0, 'F'},
|
||
{"verbose", no_argument, 0, 'v'},
|
||
{"version", no_argument, 0, 'V'},
|
||
{0, no_argument, 0, 0}
|
||
};
|
||
|
||
/* Options to handle if running as "objcopy". */
|
||
|
||
static struct option copy_options[] =
|
||
{
|
||
{"add-section", required_argument, 0, OPTION_ADD_SECTION},
|
||
{"adjust-start", required_argument, 0, OPTION_CHANGE_START},
|
||
{"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES},
|
||
{"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
|
||
{"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
|
||
{"byte", required_argument, 0, 'b'},
|
||
{"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES},
|
||
{"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR},
|
||
{"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
|
||
{"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA},
|
||
{"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA},
|
||
{"change-start", required_argument, 0, OPTION_CHANGE_START},
|
||
{"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
|
||
{"debugging", no_argument, 0, OPTION_DEBUGGING},
|
||
{"discard-all", no_argument, 0, 'x'},
|
||
{"discard-locals", no_argument, 0, 'X'},
|
||
{"format", required_argument, 0, 'F'}, /* Obsolete */
|
||
{"gap-fill", required_argument, 0, OPTION_GAP_FILL},
|
||
{"help", no_argument, 0, 'h'},
|
||
{"input-format", required_argument, 0, 'I'}, /* Obsolete */
|
||
{"input-target", required_argument, 0, 'I'},
|
||
{"interleave", required_argument, 0, 'i'},
|
||
{"keep-symbol", required_argument, 0, 'K'},
|
||
{"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
|
||
{"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
|
||
{"output-format", required_argument, 0, 'O'}, /* Obsolete */
|
||
{"output-target", required_argument, 0, 'O'},
|
||
{"pad-to", required_argument, 0, OPTION_PAD_TO},
|
||
{"preserve-dates", no_argument, 0, 'p'},
|
||
{"localize-symbol", required_argument, 0, 'L'},
|
||
{"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR},
|
||
{"remove-section", required_argument, 0, 'R'},
|
||
{"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
|
||
{"set-start", required_argument, 0, OPTION_SET_START},
|
||
{"strip-all", no_argument, 0, 'S'},
|
||
{"strip-debug", no_argument, 0, 'g'},
|
||
{"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
|
||
{"strip-symbol", required_argument, 0, 'N'},
|
||
{"target", required_argument, 0, 'F'},
|
||
{"verbose", no_argument, 0, 'v'},
|
||
{"version", no_argument, 0, 'V'},
|
||
{"weaken", no_argument, 0, OPTION_WEAKEN},
|
||
{"weaken-symbol", required_argument, 0, 'W'},
|
||
{0, no_argument, 0, 0}
|
||
};
|
||
|
||
/* IMPORTS */
|
||
extern char *program_name;
|
||
|
||
/* This flag distinguishes between strip and objcopy:
|
||
1 means this is 'strip'; 0 means this is 'objcopy'.
|
||
-1 means if we should use argv[0] to decide. */
|
||
extern int is_strip;
|
||
|
||
|
||
static void
|
||
copy_usage (stream, exit_status)
|
||
FILE *stream;
|
||
int exit_status;
|
||
{
|
||
fprintf (stream, _("\
|
||
Usage: %s [-vVSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\
|
||
[-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\
|
||
[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
|
||
[--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\
|
||
[--discard-locals] [--debugging] [--remove-section=section]\n"),
|
||
program_name);
|
||
fprintf (stream, _("\
|
||
[--gap-fill=val] [--pad-to=address] [--preserve-dates]\n\
|
||
[--set-start=val] \n\
|
||
[--change-start=incr] [--change-addresses=incr] \n\
|
||
(--adjust-start and --adjust-vma are aliases for these two) \n\
|
||
[--change-section-address=section{=,+,-}val]\n\
|
||
(--adjust-section-vma is an alias for --change-section-address)\n\
|
||
[--change-section-lma=section{=,+,-}val]\n\
|
||
[--change-section-vma=section{=,+,-}val]\n\
|
||
[--adjust-warnings] [--no-adjust-warnings]\n\
|
||
[--change-warnings] [--no-change-warnings]\n\
|
||
[--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\
|
||
[--keep-symbol symbol] [-K symbol] [--strip-symbol symbol] [-N symbol]\n\
|
||
[--localize-symbol symbol] [-L symbol] [--weaken-symbol symbol]\n\
|
||
[-W symbol] [--change-leading-char] [--remove-leading-char] [--weaken]\n\
|
||
[--verbose] [--version] [--help] in-file [out-file]\n"));
|
||
list_supported_targets (program_name, stream);
|
||
if (exit_status == 0)
|
||
fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n"));
|
||
exit (exit_status);
|
||
}
|
||
|
||
static void
|
||
strip_usage (stream, exit_status)
|
||
FILE *stream;
|
||
int exit_status;
|
||
{
|
||
fprintf (stream, _("\
|
||
Usage: %s [-vVsSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-R section]\n\
|
||
[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
|
||
[--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\
|
||
[--discard-locals] [--keep-symbol symbol] [-K symbol]\n\
|
||
[--strip-symbol symbol] [-N symbol] [--remove-section=section]\n\
|
||
[-o file] [--preserve-dates] [--verbose] [--version] [--help] file...\n"),
|
||
program_name);
|
||
list_supported_targets (program_name, stream);
|
||
if (exit_status == 0)
|
||
fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n"));
|
||
exit (exit_status);
|
||
}
|
||
|
||
/* Parse section flags into a flagword, with a fatal error if the
|
||
string can't be parsed. */
|
||
|
||
static flagword
|
||
parse_flags (s)
|
||
const char *s;
|
||
{
|
||
flagword ret;
|
||
const char *snext;
|
||
int len;
|
||
|
||
ret = SEC_NO_FLAGS;
|
||
|
||
do
|
||
{
|
||
snext = strchr (s, ',');
|
||
if (snext == NULL)
|
||
len = strlen (s);
|
||
else
|
||
{
|
||
len = snext - s;
|
||
++snext;
|
||
}
|
||
|
||
if (0) ;
|
||
#define PARSE_FLAG(fname,fval) \
|
||
else if (strncasecmp (fname, s, len) == 0) ret |= fval
|
||
PARSE_FLAG ("alloc", SEC_ALLOC);
|
||
PARSE_FLAG ("load", SEC_LOAD);
|
||
PARSE_FLAG ("readonly", SEC_READONLY);
|
||
PARSE_FLAG ("code", SEC_CODE);
|
||
PARSE_FLAG ("data", SEC_DATA);
|
||
PARSE_FLAG ("rom", SEC_ROM);
|
||
PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
|
||
#undef PARSE_FLAG
|
||
else
|
||
{
|
||
char *copy;
|
||
|
||
copy = xmalloc (len + 1);
|
||
strncpy (copy, s, len);
|
||
copy[len] = '\0';
|
||
non_fatal (_("unrecognized section flag `%s'"), copy);
|
||
fatal (_("supported flags: alloc, load, readonly, code, data, rom, contents"));
|
||
}
|
||
|
||
s = snext;
|
||
}
|
||
while (s != NULL);
|
||
|
||
return ret;
|
||
}
|
||
|
||
/* Find and optionally add an entry in the change_sections list. */
|
||
|
||
static struct section_list *
|
||
find_section_list (name, add)
|
||
const char *name;
|
||
boolean add;
|
||
{
|
||
register struct section_list *p;
|
||
|
||
for (p = change_sections; p != NULL; p = p->next)
|
||
if (strcmp (p->name, name) == 0)
|
||
return p;
|
||
|
||
if (! add)
|
||
return NULL;
|
||
|
||
p = (struct section_list *) xmalloc (sizeof (struct section_list));
|
||
p->name = name;
|
||
p->used = false;
|
||
p->remove = false;
|
||
p->change_vma = CHANGE_IGNORE;
|
||
p->change_lma = CHANGE_IGNORE;
|
||
p->vma_val = 0;
|
||
p->lma_val = 0;
|
||
p->set_flags = false;
|
||
p->flags = 0;
|
||
|
||
p->next = change_sections;
|
||
change_sections = p;
|
||
|
||
return p;
|
||
}
|
||
|
||
/* Add a symbol to strip_specific_list. */
|
||
|
||
static void
|
||
add_specific_symbol (name, list)
|
||
const char *name;
|
||
struct symlist **list;
|
||
{
|
||
struct symlist *tmp_list;
|
||
|
||
tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist));
|
||
tmp_list->name = name;
|
||
tmp_list->next = *list;
|
||
*list = tmp_list;
|
||
}
|
||
|
||
/* See whether a symbol should be stripped or kept based on
|
||
strip_specific_list and keep_symbols. */
|
||
|
||
static boolean
|
||
is_specified_symbol (name, list)
|
||
const char *name;
|
||
struct symlist *list;
|
||
{
|
||
struct symlist *tmp_list;
|
||
|
||
for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
|
||
{
|
||
if (strcmp (name, tmp_list->name) == 0)
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/* See if a section is being removed. */
|
||
|
||
static boolean
|
||
is_strip_section (abfd, sec)
|
||
bfd *abfd;
|
||
asection *sec;
|
||
{
|
||
struct section_list *p;
|
||
|
||
if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0
|
||
&& (strip_symbols == STRIP_DEBUG
|
||
|| strip_symbols == STRIP_UNNEEDED
|
||
|| strip_symbols == STRIP_ALL
|
||
|| discard_locals == LOCALS_ALL
|
||
|| convert_debugging))
|
||
return true;
|
||
|
||
if (! sections_removed)
|
||
return false;
|
||
p = find_section_list (bfd_get_section_name (abfd, sec), false);
|
||
return p != NULL && p->remove ? true : false;
|
||
}
|
||
|
||
/* Choose which symbol entries to copy; put the result in OSYMS.
|
||
We don't copy in place, because that confuses the relocs.
|
||
Return the number of symbols to print. */
|
||
|
||
static unsigned int
|
||
filter_symbols (abfd, obfd, osyms, isyms, symcount)
|
||
bfd *abfd;
|
||
bfd *obfd;
|
||
asymbol **osyms, **isyms;
|
||
long symcount;
|
||
{
|
||
register asymbol **from = isyms, **to = osyms;
|
||
long src_count = 0, dst_count = 0;
|
||
|
||
for (; src_count < symcount; src_count++)
|
||
{
|
||
asymbol *sym = from[src_count];
|
||
flagword flags = sym->flags;
|
||
const char *name = bfd_asymbol_name (sym);
|
||
int keep;
|
||
|
||
if (change_leading_char
|
||
&& (bfd_get_symbol_leading_char (abfd)
|
||
!= bfd_get_symbol_leading_char (obfd))
|
||
&& (bfd_get_symbol_leading_char (abfd) == '\0'
|
||
|| (name[0] == bfd_get_symbol_leading_char (abfd))))
|
||
{
|
||
if (bfd_get_symbol_leading_char (obfd) == '\0')
|
||
name = bfd_asymbol_name (sym) = name + 1;
|
||
else
|
||
{
|
||
char *n;
|
||
|
||
n = xmalloc (strlen (name) + 2);
|
||
n[0] = bfd_get_symbol_leading_char (obfd);
|
||
if (bfd_get_symbol_leading_char (abfd) == '\0')
|
||
strcpy (n + 1, name);
|
||
else
|
||
strcpy (n + 1, name + 1);
|
||
name = bfd_asymbol_name (sym) = n;
|
||
}
|
||
}
|
||
|
||
if (remove_leading_char
|
||
&& ((flags & BSF_GLOBAL) != 0
|
||
|| (flags & BSF_WEAK) != 0
|
||
|| bfd_is_und_section (bfd_get_section (sym))
|
||
|| bfd_is_com_section (bfd_get_section (sym)))
|
||
&& name[0] == bfd_get_symbol_leading_char (abfd))
|
||
name = bfd_asymbol_name (sym) = name + 1;
|
||
|
||
if (strip_symbols == STRIP_ALL)
|
||
keep = 0;
|
||
else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
|
||
|| ((flags & BSF_SECTION_SYM) != 0
|
||
&& ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
|
||
& BSF_KEEP) != 0))
|
||
keep = 1;
|
||
else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
|
||
|| (flags & BSF_WEAK) != 0
|
||
|| bfd_is_und_section (bfd_get_section (sym))
|
||
|| bfd_is_com_section (bfd_get_section (sym)))
|
||
keep = strip_symbols != STRIP_UNNEEDED;
|
||
else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
|
||
keep = (strip_symbols != STRIP_DEBUG
|
||
&& strip_symbols != STRIP_UNNEEDED
|
||
&& ! convert_debugging);
|
||
else /* Local symbol. */
|
||
keep = (strip_symbols != STRIP_UNNEEDED
|
||
&& (discard_locals != LOCALS_ALL
|
||
&& (discard_locals != LOCALS_START_L
|
||
|| ! bfd_is_local_label (abfd, sym))));
|
||
|
||
if (keep && is_specified_symbol (name, strip_specific_list))
|
||
keep = 0;
|
||
if (!keep && is_specified_symbol (name, keep_specific_list))
|
||
keep = 1;
|
||
if (keep && is_strip_section (abfd, bfd_get_section (sym)))
|
||
keep = 0;
|
||
|
||
if (keep && (flags & BSF_GLOBAL) != 0
|
||
&& (weaken || is_specified_symbol (name, weaken_specific_list)))
|
||
{
|
||
sym->flags &=~ BSF_GLOBAL;
|
||
sym->flags |= BSF_WEAK;
|
||
}
|
||
if (keep && (flags & (BSF_GLOBAL | BSF_WEAK))
|
||
&& is_specified_symbol (name, localize_specific_list))
|
||
{
|
||
sym->flags &= ~(BSF_GLOBAL | BSF_WEAK);
|
||
sym->flags |= BSF_LOCAL;
|
||
}
|
||
|
||
if (keep)
|
||
to[dst_count++] = sym;
|
||
}
|
||
|
||
to[dst_count] = NULL;
|
||
|
||
return dst_count;
|
||
}
|
||
|
||
/* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long.
|
||
Adjust *SIZE. */
|
||
|
||
static void
|
||
filter_bytes (memhunk, size)
|
||
char *memhunk;
|
||
bfd_size_type *size;
|
||
{
|
||
char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size;
|
||
|
||
for (; from < end; from += interleave)
|
||
*to++ = *from;
|
||
if (*size % interleave > copy_byte)
|
||
*size = (*size / interleave) + 1;
|
||
else
|
||
*size /= interleave;
|
||
}
|
||
|
||
/* Copy object file IBFD onto OBFD. */
|
||
|
||
static void
|
||
copy_object (ibfd, obfd)
|
||
bfd *ibfd;
|
||
bfd *obfd;
|
||
{
|
||
bfd_vma start;
|
||
long symcount;
|
||
asection **osections = NULL;
|
||
bfd_size_type *gaps = NULL;
|
||
bfd_size_type max_gap = 0;
|
||
long symsize;
|
||
PTR dhandle;
|
||
|
||
|
||
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
if (verbose)
|
||
printf (_("copy from %s(%s) to %s(%s)\n"),
|
||
bfd_get_filename (ibfd), bfd_get_target (ibfd),
|
||
bfd_get_filename (obfd), bfd_get_target (obfd));
|
||
|
||
if (set_start_set)
|
||
start = set_start;
|
||
else
|
||
start = bfd_get_start_address (ibfd);
|
||
start += change_start;
|
||
|
||
if (!bfd_set_start_address (obfd, start)
|
||
|| !bfd_set_file_flags (obfd,
|
||
(bfd_get_file_flags (ibfd)
|
||
& bfd_applicable_file_flags (obfd))))
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
/* Copy architecture of input file to output file */
|
||
if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
|
||
bfd_get_mach (ibfd)))
|
||
non_fatal (_("Warning: Output file cannot represent architecture %s"),
|
||
bfd_printable_arch_mach (bfd_get_arch (ibfd),
|
||
bfd_get_mach (ibfd)));
|
||
|
||
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
if (isympp)
|
||
free (isympp);
|
||
|
||
if (osympp != isympp)
|
||
free (osympp);
|
||
|
||
/* BFD mandates that all output sections be created and sizes set before
|
||
any output is done. Thus, we traverse all sections multiple times. */
|
||
bfd_map_over_sections (ibfd, setup_section, (void *) obfd);
|
||
|
||
if (add_sections != NULL)
|
||
{
|
||
struct section_add *padd;
|
||
struct section_list *pset;
|
||
|
||
for (padd = add_sections; padd != NULL; padd = padd->next)
|
||
{
|
||
padd->section = bfd_make_section (obfd, padd->name);
|
||
if (padd->section == NULL)
|
||
{
|
||
non_fatal (_("can't create section `%s': %s"),
|
||
padd->name, bfd_errmsg (bfd_get_error ()));
|
||
status = 1;
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
flagword flags;
|
||
|
||
if (! bfd_set_section_size (obfd, padd->section, padd->size))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
pset = find_section_list (padd->name, false);
|
||
if (pset != NULL)
|
||
pset->used = true;
|
||
|
||
if (pset != NULL && pset->set_flags)
|
||
flags = pset->flags | SEC_HAS_CONTENTS;
|
||
else
|
||
flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
|
||
|
||
if (! bfd_set_section_flags (obfd, padd->section, flags))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
if (pset != NULL)
|
||
{
|
||
if (pset->change_vma != CHANGE_IGNORE)
|
||
if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
if (pset->change_lma != CHANGE_IGNORE)
|
||
{
|
||
padd->section->lma = pset->lma_val;
|
||
|
||
if (! bfd_set_section_alignment
|
||
(obfd, padd->section,
|
||
bfd_section_alignment (obfd, padd->section)))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (gap_fill_set || pad_to_set)
|
||
{
|
||
asection **set;
|
||
unsigned int c, i;
|
||
|
||
/* We must fill in gaps between the sections and/or we must pad
|
||
the last section to a specified address. We do this by
|
||
grabbing a list of the sections, sorting them by VMA, and
|
||
increasing the section sizes as required to fill the gaps.
|
||
We write out the gap contents below. */
|
||
|
||
c = bfd_count_sections (obfd);
|
||
osections = (asection **) xmalloc (c * sizeof (asection *));
|
||
set = osections;
|
||
bfd_map_over_sections (obfd, get_sections, (void *) &set);
|
||
|
||
qsort (osections, c, sizeof (asection *), compare_section_lma);
|
||
|
||
gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type));
|
||
memset (gaps, 0, c * sizeof (bfd_size_type));
|
||
|
||
if (gap_fill_set)
|
||
{
|
||
for (i = 0; i < c - 1; i++)
|
||
{
|
||
flagword flags;
|
||
bfd_size_type size;
|
||
bfd_vma gap_start, gap_stop;
|
||
|
||
flags = bfd_get_section_flags (obfd, osections[i]);
|
||
if ((flags & SEC_HAS_CONTENTS) == 0
|
||
|| (flags & SEC_LOAD) == 0)
|
||
continue;
|
||
|
||
size = bfd_section_size (obfd, osections[i]);
|
||
gap_start = bfd_section_lma (obfd, osections[i]) + size;
|
||
gap_stop = bfd_section_lma (obfd, osections[i + 1]);
|
||
if (gap_start < gap_stop)
|
||
{
|
||
if (! bfd_set_section_size (obfd, osections[i],
|
||
size + (gap_stop - gap_start)))
|
||
{
|
||
non_fatal (_("Can't fill gap after %s: %s"),
|
||
bfd_get_section_name (obfd, osections[i]),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
status = 1;
|
||
break;
|
||
}
|
||
gaps[i] = gap_stop - gap_start;
|
||
if (max_gap < gap_stop - gap_start)
|
||
max_gap = gap_stop - gap_start;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (pad_to_set)
|
||
{
|
||
bfd_vma lma;
|
||
bfd_size_type size;
|
||
|
||
lma = bfd_section_lma (obfd, osections[c - 1]);
|
||
size = bfd_section_size (obfd, osections[c - 1]);
|
||
if (lma + size < pad_to)
|
||
{
|
||
if (! bfd_set_section_size (obfd, osections[c - 1],
|
||
pad_to - lma))
|
||
{
|
||
non_fatal (_("Can't add padding to %s: %s"),
|
||
bfd_get_section_name (obfd, osections[c - 1]),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
status = 1;
|
||
}
|
||
else
|
||
{
|
||
gaps[c - 1] = pad_to - (lma + size);
|
||
if (max_gap < pad_to - (lma + size))
|
||
max_gap = pad_to - (lma + size);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Symbol filtering must happen after the output sections have
|
||
been created, but before their contents are set. */
|
||
dhandle = NULL;
|
||
symsize = bfd_get_symtab_upper_bound (ibfd);
|
||
if (symsize < 0)
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
osympp = isympp = (asymbol **) xmalloc (symsize);
|
||
symcount = bfd_canonicalize_symtab (ibfd, isympp);
|
||
if (symcount < 0)
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
if (convert_debugging)
|
||
dhandle = read_debugging_info (ibfd, isympp, symcount);
|
||
|
||
if (strip_symbols == STRIP_DEBUG
|
||
|| strip_symbols == STRIP_ALL
|
||
|| strip_symbols == STRIP_UNNEEDED
|
||
|| discard_locals != LOCALS_UNDEF
|
||
|| strip_specific_list != NULL
|
||
|| keep_specific_list != NULL
|
||
|| localize_specific_list != NULL
|
||
|| weaken_specific_list != NULL
|
||
|| sections_removed
|
||
|| convert_debugging
|
||
|| change_leading_char
|
||
|| remove_leading_char
|
||
|| weaken)
|
||
{
|
||
/* Mark symbols used in output relocations so that they
|
||
are kept, even if they are local labels or static symbols.
|
||
|
||
Note we iterate over the input sections examining their
|
||
relocations since the relocations for the output sections
|
||
haven't been set yet. mark_symbols_used_in_relocations will
|
||
ignore input sections which have no corresponding output
|
||
section. */
|
||
if (strip_symbols != STRIP_ALL)
|
||
bfd_map_over_sections (ibfd,
|
||
mark_symbols_used_in_relocations,
|
||
(PTR)isympp);
|
||
osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *));
|
||
symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
|
||
}
|
||
|
||
if (convert_debugging && dhandle != NULL)
|
||
{
|
||
if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
|
||
{
|
||
status = 1;
|
||
return;
|
||
}
|
||
}
|
||
|
||
bfd_set_symtab (obfd, osympp, symcount);
|
||
|
||
/* This has to happen after the symbol table has been set. */
|
||
bfd_map_over_sections (ibfd, copy_section, (void *) obfd);
|
||
|
||
if (add_sections != NULL)
|
||
{
|
||
struct section_add *padd;
|
||
|
||
for (padd = add_sections; padd != NULL; padd = padd->next)
|
||
{
|
||
if (! bfd_set_section_contents (obfd, padd->section,
|
||
(PTR) padd->contents,
|
||
(file_ptr) 0,
|
||
(bfd_size_type) padd->size))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
}
|
||
}
|
||
|
||
if (gap_fill_set || pad_to_set)
|
||
{
|
||
bfd_byte *buf;
|
||
int c, i;
|
||
|
||
/* Fill in the gaps. */
|
||
|
||
if (max_gap > 8192)
|
||
max_gap = 8192;
|
||
buf = (bfd_byte *) xmalloc (max_gap);
|
||
memset (buf, gap_fill, (size_t) max_gap);
|
||
|
||
c = bfd_count_sections (obfd);
|
||
for (i = 0; i < c; i++)
|
||
{
|
||
if (gaps[i] != 0)
|
||
{
|
||
bfd_size_type left;
|
||
file_ptr off;
|
||
|
||
left = gaps[i];
|
||
off = bfd_section_size (obfd, osections[i]) - left;
|
||
while (left > 0)
|
||
{
|
||
bfd_size_type now;
|
||
|
||
if (left > 8192)
|
||
now = 8192;
|
||
else
|
||
now = left;
|
||
|
||
if (! bfd_set_section_contents (obfd, osections[i], buf,
|
||
off, now))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
left -= now;
|
||
off += now;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Allow the BFD backend to copy any private data it understands
|
||
from the input BFD to the output BFD. This is done last to
|
||
permit the routine to look at the filtered symbol table, which is
|
||
important for the ECOFF code at least. */
|
||
if (!bfd_copy_private_bfd_data (ibfd, obfd))
|
||
{
|
||
non_fatal (_("%s: error copying private BFD data: %s"),
|
||
bfd_get_filename (obfd),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
status = 1;
|
||
return;
|
||
}
|
||
}
|
||
|
||
/* Read each archive element in turn from IBFD, copy the
|
||
contents to temp file, and keep the temp file handle. */
|
||
|
||
static void
|
||
copy_archive (ibfd, obfd, output_target)
|
||
bfd *ibfd;
|
||
bfd *obfd;
|
||
const char *output_target;
|
||
{
|
||
struct name_list
|
||
{
|
||
struct name_list *next;
|
||
char *name;
|
||
bfd *obfd;
|
||
} *list, *l;
|
||
bfd **ptr = &obfd->archive_head;
|
||
bfd *this_element;
|
||
char *dir = make_tempname (bfd_get_filename (obfd));
|
||
|
||
/* Make a temp directory to hold the contents. */
|
||
#if defined (_WIN32) && !defined (__CYGWIN32__)
|
||
if (mkdir (dir) != 0)
|
||
#else
|
||
if (mkdir (dir, 0700) != 0)
|
||
#endif
|
||
{
|
||
fatal (_("cannot mkdir %s for archive copying (error: %s)"),
|
||
dir, strerror (errno));
|
||
}
|
||
obfd->has_armap = ibfd->has_armap;
|
||
|
||
list = NULL;
|
||
|
||
this_element = bfd_openr_next_archived_file (ibfd, NULL);
|
||
while (!status && this_element != (bfd *) NULL)
|
||
{
|
||
/* Create an output file for this member. */
|
||
char *output_name = concat (dir, "/", bfd_get_filename (this_element),
|
||
(char *) NULL);
|
||
bfd *output_bfd = bfd_openw (output_name, output_target);
|
||
bfd *last_element;
|
||
struct stat buf;
|
||
int stat_status = 0;
|
||
|
||
if (preserve_dates)
|
||
{
|
||
stat_status = bfd_stat_arch_elt (this_element, &buf);
|
||
if (stat_status != 0)
|
||
non_fatal (_("internal stat error on %s"),
|
||
bfd_get_filename (this_element));
|
||
}
|
||
|
||
l = (struct name_list *) xmalloc (sizeof (struct name_list));
|
||
l->name = output_name;
|
||
l->next = list;
|
||
list = l;
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
RETURN_NONFATAL (output_name);
|
||
|
||
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
if (bfd_check_format (this_element, bfd_object) == true)
|
||
copy_object (this_element, output_bfd);
|
||
|
||
if (!bfd_close (output_bfd))
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (output_bfd));
|
||
/* Error in new object file. Don't change archive. */
|
||
status = 1;
|
||
}
|
||
|
||
if (preserve_dates && stat_status == 0)
|
||
set_times (output_name, &buf);
|
||
|
||
/* Open the newly output file and attach to our list. */
|
||
output_bfd = bfd_openr (output_name, output_target);
|
||
|
||
l->obfd = output_bfd;
|
||
|
||
*ptr = output_bfd;
|
||
ptr = &output_bfd->next;
|
||
|
||
last_element = this_element;
|
||
|
||
this_element = bfd_openr_next_archived_file (ibfd, last_element);
|
||
|
||
bfd_close (last_element);
|
||
}
|
||
*ptr = (bfd *) NULL;
|
||
|
||
if (!bfd_close (obfd))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
if (!bfd_close (ibfd))
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
/* Delete all the files that we opened. */
|
||
for (l = list; l != NULL; l = l->next)
|
||
{
|
||
bfd_close (l->obfd);
|
||
unlink (l->name);
|
||
}
|
||
rmdir (dir);
|
||
}
|
||
|
||
/* The top-level control. */
|
||
|
||
static void
|
||
copy_file (input_filename, output_filename, input_target, output_target)
|
||
const char *input_filename;
|
||
const char *output_filename;
|
||
const char *input_target;
|
||
const char *output_target;
|
||
{
|
||
bfd *ibfd;
|
||
char **matching;
|
||
|
||
/* To allow us to do "strip *" without dying on the first
|
||
non-object file, failures are nonfatal. */
|
||
|
||
ibfd = bfd_openr (input_filename, input_target);
|
||
if (ibfd == NULL)
|
||
RETURN_NONFATAL (input_filename);
|
||
|
||
if (bfd_check_format (ibfd, bfd_archive))
|
||
{
|
||
bfd *obfd;
|
||
|
||
/* bfd_get_target does not return the correct value until
|
||
bfd_check_format succeeds. */
|
||
if (output_target == NULL)
|
||
output_target = bfd_get_target (ibfd);
|
||
|
||
obfd = bfd_openw (output_filename, output_target);
|
||
if (obfd == NULL)
|
||
RETURN_NONFATAL (output_filename);
|
||
|
||
copy_archive (ibfd, obfd, output_target);
|
||
}
|
||
else if (bfd_check_format_matches (ibfd, bfd_object, &matching))
|
||
{
|
||
bfd *obfd;
|
||
|
||
/* bfd_get_target does not return the correct value until
|
||
bfd_check_format succeeds. */
|
||
if (output_target == NULL)
|
||
output_target = bfd_get_target (ibfd);
|
||
|
||
obfd = bfd_openw (output_filename, output_target);
|
||
if (obfd == NULL)
|
||
RETURN_NONFATAL (output_filename);
|
||
|
||
copy_object (ibfd, obfd);
|
||
|
||
if (!bfd_close (obfd))
|
||
RETURN_NONFATAL (output_filename);
|
||
|
||
if (!bfd_close (ibfd))
|
||
RETURN_NONFATAL (input_filename);
|
||
}
|
||
else
|
||
{
|
||
bfd_nonfatal (input_filename);
|
||
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
{
|
||
list_matching_formats (matching);
|
||
free (matching);
|
||
}
|
||
|
||
status = 1;
|
||
}
|
||
}
|
||
|
||
/* Create a section in OBFD with the same name and attributes
|
||
as ISECTION in IBFD. */
|
||
|
||
static void
|
||
setup_section (ibfd, isection, obfdarg)
|
||
bfd *ibfd;
|
||
sec_ptr isection;
|
||
PTR obfdarg;
|
||
{
|
||
bfd *obfd = (bfd *) obfdarg;
|
||
struct section_list *p;
|
||
sec_ptr osection;
|
||
bfd_size_type size;
|
||
bfd_vma vma;
|
||
bfd_vma lma;
|
||
flagword flags;
|
||
char *err;
|
||
|
||
if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0
|
||
&& (strip_symbols == STRIP_DEBUG
|
||
|| strip_symbols == STRIP_UNNEEDED
|
||
|| strip_symbols == STRIP_ALL
|
||
|| discard_locals == LOCALS_ALL
|
||
|| convert_debugging))
|
||
return;
|
||
|
||
p = find_section_list (bfd_section_name (ibfd, isection), false);
|
||
if (p != NULL)
|
||
p->used = true;
|
||
|
||
if (p != NULL && p->remove)
|
||
return;
|
||
|
||
osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection));
|
||
|
||
if (osection == NULL)
|
||
{
|
||
err = "making";
|
||
goto loser;
|
||
}
|
||
|
||
size = bfd_section_size (ibfd, isection);
|
||
if (copy_byte >= 0)
|
||
size = (size + interleave - 1) / interleave;
|
||
if (! bfd_set_section_size (obfd, osection, size))
|
||
{
|
||
err = "size";
|
||
goto loser;
|
||
}
|
||
|
||
vma = bfd_section_vma (ibfd, isection);
|
||
if (p != NULL && p->change_vma == CHANGE_MODIFY)
|
||
vma += p->vma_val;
|
||
else if (p != NULL && p->change_vma == CHANGE_SET)
|
||
vma = p->vma_val;
|
||
else
|
||
vma += change_section_address;
|
||
|
||
if (! bfd_set_section_vma (obfd, osection, vma))
|
||
{
|
||
err = "vma";
|
||
goto loser;
|
||
}
|
||
|
||
lma = isection->lma;
|
||
if ((p != NULL) && p->change_lma != CHANGE_IGNORE)
|
||
{
|
||
if (p->change_lma == CHANGE_MODIFY)
|
||
lma += p->lma_val;
|
||
else if (p->change_lma == CHANGE_SET)
|
||
lma = p->lma_val;
|
||
else
|
||
abort ();
|
||
}
|
||
else
|
||
lma += change_section_address;
|
||
|
||
osection->lma = lma;
|
||
|
||
/* FIXME: This is probably not enough. If we change the LMA we
|
||
may have to recompute the header for the file as well. */
|
||
if (bfd_set_section_alignment (obfd,
|
||
osection,
|
||
bfd_section_alignment (ibfd, isection))
|
||
== false)
|
||
{
|
||
err = "alignment";
|
||
goto loser;
|
||
}
|
||
|
||
flags = bfd_get_section_flags (ibfd, isection);
|
||
if (p != NULL && p->set_flags)
|
||
flags = p->flags | (flags & SEC_HAS_CONTENTS);
|
||
if (!bfd_set_section_flags (obfd, osection, flags))
|
||
{
|
||
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:
|
||
non_fatal (_("%s: section `%s': error in %s: %s"),
|
||
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, obfdarg)
|
||
bfd *ibfd;
|
||
sec_ptr isection;
|
||
PTR obfdarg;
|
||
{
|
||
bfd *obfd = (bfd *) obfdarg;
|
||
struct section_list *p;
|
||
arelent **relpp;
|
||
long relcount;
|
||
sec_ptr osection;
|
||
bfd_size_type size;
|
||
long relsize;
|
||
|
||
/* If we have already failed earlier on, do not keep on generating
|
||
complaints now. */
|
||
if (status != 0)
|
||
return;
|
||
|
||
if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0
|
||
&& (strip_symbols == STRIP_DEBUG
|
||
|| strip_symbols == STRIP_UNNEEDED
|
||
|| strip_symbols == STRIP_ALL
|
||
|| discard_locals == LOCALS_ALL
|
||
|| convert_debugging))
|
||
{
|
||
return;
|
||
}
|
||
|
||
p = find_section_list (bfd_section_name (ibfd, isection), false);
|
||
|
||
if (p != NULL && p->remove)
|
||
return;
|
||
|
||
osection = isection->output_section;
|
||
size = bfd_get_section_size_before_reloc (isection);
|
||
|
||
if (size == 0 || osection == 0)
|
||
return;
|
||
|
||
|
||
relsize = bfd_get_reloc_upper_bound (ibfd, isection);
|
||
if (relsize < 0)
|
||
RETURN_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)
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
if (strip_symbols == STRIP_ALL)
|
||
{
|
||
/* Remove relocations which are not in
|
||
keep_strip_specific_list. */
|
||
arelent **temp_relpp;
|
||
long temp_relcount = 0;
|
||
long i;
|
||
|
||
temp_relpp = (arelent **) xmalloc (relsize);
|
||
for (i = 0; i < relcount; i++)
|
||
if (is_specified_symbol
|
||
(bfd_asymbol_name (*relpp [i]->sym_ptr_ptr),
|
||
keep_specific_list))
|
||
temp_relpp [temp_relcount++] = relpp [i];
|
||
relcount = temp_relcount;
|
||
free (relpp);
|
||
relpp = temp_relpp;
|
||
}
|
||
bfd_set_reloc (obfd, osection,
|
||
(relcount == 0 ? (arelent **) NULL : 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))
|
||
RETURN_NONFATAL (bfd_get_filename (ibfd));
|
||
|
||
if (copy_byte >= 0)
|
||
filter_bytes (memhunk, &size);
|
||
|
||
if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0,
|
||
size))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
|
||
free (memhunk);
|
||
}
|
||
else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
|
||
{
|
||
PTR memhunk = (PTR) xmalloc ((unsigned) size);
|
||
|
||
/* We don't permit the user to turn off the SEC_HAS_CONTENTS
|
||
flag--they can just remove the section entirely and add it
|
||
back again. However, we do permit them to turn on the
|
||
SEC_HAS_CONTENTS flag, and take it to mean that the section
|
||
contents should be zeroed out. */
|
||
|
||
memset (memhunk, 0, size);
|
||
if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0,
|
||
size))
|
||
RETURN_NONFATAL (bfd_get_filename (obfd));
|
||
free (memhunk);
|
||
}
|
||
}
|
||
|
||
/* Get all the sections. This is used when --gap-fill or --pad-to is
|
||
used. */
|
||
|
||
static void
|
||
get_sections (obfd, osection, secppparg)
|
||
bfd *obfd;
|
||
asection *osection;
|
||
PTR secppparg;
|
||
{
|
||
asection ***secppp = (asection ***) secppparg;
|
||
|
||
**secppp = osection;
|
||
++(*secppp);
|
||
}
|
||
|
||
/* Sort sections by VMA. This is called via qsort, and is used when
|
||
--gap-fill or --pad-to is used. We force non loadable or empty
|
||
sections to the front, where they are easier to ignore. */
|
||
|
||
static int
|
||
compare_section_lma (arg1, arg2)
|
||
const PTR arg1;
|
||
const PTR arg2;
|
||
{
|
||
const asection **sec1 = (const asection **) arg1;
|
||
const asection **sec2 = (const asection **) arg2;
|
||
flagword flags1, flags2;
|
||
|
||
/* Sort non loadable sections to the front. */
|
||
flags1 = (*sec1)->flags;
|
||
flags2 = (*sec2)->flags;
|
||
if ((flags1 & SEC_HAS_CONTENTS) == 0
|
||
|| (flags1 & SEC_LOAD) == 0)
|
||
{
|
||
if ((flags2 & SEC_HAS_CONTENTS) != 0
|
||
&& (flags2 & SEC_LOAD) != 0)
|
||
return -1;
|
||
}
|
||
else
|
||
{
|
||
if ((flags2 & SEC_HAS_CONTENTS) == 0
|
||
|| (flags2 & SEC_LOAD) == 0)
|
||
return 1;
|
||
}
|
||
|
||
/* Sort sections by LMA. */
|
||
if ((*sec1)->lma > (*sec2)->lma)
|
||
return 1;
|
||
else if ((*sec1)->lma < (*sec2)->lma)
|
||
return -1;
|
||
|
||
/* Sort sections with the same LMA by size. */
|
||
if ((*sec1)->_raw_size > (*sec2)->_raw_size)
|
||
return 1;
|
||
else if ((*sec1)->_raw_size < (*sec2)->_raw_size)
|
||
return -1;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* 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, symbolsarg)
|
||
bfd *ibfd;
|
||
sec_ptr isection;
|
||
PTR symbolsarg;
|
||
{
|
||
asymbol **symbols = (asymbol **) symbolsarg;
|
||
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));
|
||
|
||
if (relsize == 0)
|
||
return;
|
||
|
||
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_ptr->symbol
|
||
&& *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol
|
||
&& *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol)
|
||
(*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
|
||
}
|
||
|
||
if (relpp != NULL)
|
||
free (relpp);
|
||
}
|
||
|
||
/* Write out debugging information. */
|
||
|
||
static boolean
|
||
write_debugging_info (obfd, dhandle, symcountp, symppp)
|
||
bfd *obfd;
|
||
PTR dhandle;
|
||
long *symcountp;
|
||
asymbol ***symppp;
|
||
{
|
||
if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
|
||
return write_ieee_debugging_info (obfd, dhandle);
|
||
|
||
if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
|
||
|| bfd_get_flavour (obfd) == bfd_target_elf_flavour)
|
||
{
|
||
bfd_byte *syms, *strings;
|
||
bfd_size_type symsize, stringsize;
|
||
asection *stabsec, *stabstrsec;
|
||
|
||
if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
|
||
&symsize, &strings,
|
||
&stringsize))
|
||
return false;
|
||
|
||
stabsec = bfd_make_section (obfd, ".stab");
|
||
stabstrsec = bfd_make_section (obfd, ".stabstr");
|
||
if (stabsec == NULL
|
||
|| stabstrsec == NULL
|
||
|| ! bfd_set_section_size (obfd, stabsec, symsize)
|
||
|| ! bfd_set_section_size (obfd, stabstrsec, stringsize)
|
||
|| ! bfd_set_section_alignment (obfd, stabsec, 2)
|
||
|| ! bfd_set_section_alignment (obfd, stabstrsec, 0)
|
||
|| ! bfd_set_section_flags (obfd, stabsec,
|
||
(SEC_HAS_CONTENTS
|
||
| SEC_READONLY
|
||
| SEC_DEBUGGING))
|
||
|| ! bfd_set_section_flags (obfd, stabstrsec,
|
||
(SEC_HAS_CONTENTS
|
||
| SEC_READONLY
|
||
| SEC_DEBUGGING)))
|
||
{
|
||
non_fatal (_("%s: can't create debugging section: %s"),
|
||
bfd_get_filename (obfd),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
return false;
|
||
}
|
||
|
||
/* We can get away with setting the section contents now because
|
||
the next thing the caller is going to do is copy over the
|
||
real sections. We may someday have to split the contents
|
||
setting out of this function. */
|
||
if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0,
|
||
symsize)
|
||
|| ! bfd_set_section_contents (obfd, stabstrsec, strings,
|
||
(file_ptr) 0, stringsize))
|
||
{
|
||
non_fatal (_("%s: can't set debugging section contents: %s"),
|
||
bfd_get_filename (obfd),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
non_fatal (_("%s: don't know how to write debugging information for %s"),
|
||
bfd_get_filename (obfd), bfd_get_target (obfd));
|
||
return false;
|
||
}
|
||
|
||
static int
|
||
strip_main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
char *input_target = NULL, *output_target = NULL;
|
||
boolean show_version = false;
|
||
int c, i;
|
||
struct section_list *p;
|
||
char *output_file = NULL;
|
||
|
||
while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpgxXVv",
|
||
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 'R':
|
||
p = find_section_list (optarg, true);
|
||
p->remove = true;
|
||
sections_removed = true;
|
||
break;
|
||
case 's':
|
||
strip_symbols = STRIP_ALL;
|
||
break;
|
||
case 'S':
|
||
case 'g':
|
||
strip_symbols = STRIP_DEBUG;
|
||
break;
|
||
case OPTION_STRIP_UNNEEDED:
|
||
strip_symbols = STRIP_UNNEEDED;
|
||
break;
|
||
case 'K':
|
||
add_specific_symbol (optarg, &keep_specific_list);
|
||
break;
|
||
case 'N':
|
||
add_specific_symbol (optarg, &strip_specific_list);
|
||
break;
|
||
case 'o':
|
||
output_file = optarg;
|
||
break;
|
||
case 'p':
|
||
preserve_dates = true;
|
||
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)
|
||
print_version ("strip");
|
||
|
||
/* Default is to strip all symbols. */
|
||
if (strip_symbols == STRIP_UNDEF
|
||
&& discard_locals == LOCALS_UNDEF
|
||
&& strip_specific_list == NULL)
|
||
strip_symbols = STRIP_ALL;
|
||
|
||
if (output_target == (char *) NULL)
|
||
output_target = input_target;
|
||
|
||
i = optind;
|
||
if (i == argc
|
||
|| (output_file != NULL && (i + 1) < argc))
|
||
strip_usage (stderr, 1);
|
||
|
||
for (; i < argc; i++)
|
||
{
|
||
int hold_status = status;
|
||
struct stat statbuf;
|
||
char *tmpname;
|
||
|
||
if (preserve_dates)
|
||
{
|
||
if (stat (argv[i], &statbuf) < 0)
|
||
{
|
||
non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno));
|
||
continue;
|
||
}
|
||
}
|
||
|
||
if (output_file != NULL)
|
||
tmpname = output_file;
|
||
else
|
||
tmpname = make_tempname (argv[i]);
|
||
status = 0;
|
||
|
||
copy_file (argv[i], tmpname, input_target, output_target);
|
||
if (status == 0)
|
||
{
|
||
if (preserve_dates)
|
||
set_times (tmpname, &statbuf);
|
||
if (output_file == NULL)
|
||
smart_rename (tmpname, argv[i], preserve_dates);
|
||
status = hold_status;
|
||
}
|
||
else
|
||
unlink (tmpname);
|
||
if (output_file == NULL)
|
||
free (tmpname);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int
|
||
copy_main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
char *input_filename = NULL, *output_filename = NULL;
|
||
char *input_target = NULL, *output_target = NULL;
|
||
boolean show_version = false;
|
||
boolean change_warn = true;
|
||
int c;
|
||
struct section_list *p;
|
||
struct stat statbuf;
|
||
|
||
while ((c = getopt_long (argc, argv, "b:i:I:K:N:s:O:d:F:L:R:SpgxXVvW:",
|
||
copy_options, (int *) 0)) != EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'b':
|
||
copy_byte = atoi (optarg);
|
||
if (copy_byte < 0)
|
||
fatal (_("byte number must be non-negative"));
|
||
break;
|
||
case 'i':
|
||
interleave = atoi (optarg);
|
||
if (interleave < 1)
|
||
fatal (_("interleave must be positive"));
|
||
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 'R':
|
||
p = find_section_list (optarg, true);
|
||
p->remove = true;
|
||
sections_removed = true;
|
||
break;
|
||
case 'S':
|
||
strip_symbols = STRIP_ALL;
|
||
break;
|
||
case 'g':
|
||
strip_symbols = STRIP_DEBUG;
|
||
break;
|
||
case OPTION_STRIP_UNNEEDED:
|
||
strip_symbols = STRIP_UNNEEDED;
|
||
break;
|
||
case 'K':
|
||
add_specific_symbol (optarg, &keep_specific_list);
|
||
break;
|
||
case 'N':
|
||
add_specific_symbol (optarg, &strip_specific_list);
|
||
break;
|
||
case 'L':
|
||
add_specific_symbol (optarg, &localize_specific_list);
|
||
break;
|
||
case 'W':
|
||
add_specific_symbol (optarg, &weaken_specific_list);
|
||
break;
|
||
case 'p':
|
||
preserve_dates = true;
|
||
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 OPTION_WEAKEN:
|
||
weaken = true;
|
||
break;
|
||
case OPTION_ADD_SECTION:
|
||
{
|
||
const char *s;
|
||
struct stat st;
|
||
struct section_add *pa;
|
||
int len;
|
||
char *name;
|
||
FILE *f;
|
||
|
||
s = strchr (optarg, '=');
|
||
|
||
if (s == NULL)
|
||
fatal (_("bad format for --add-section NAME=FILENAME"));
|
||
|
||
if (stat (s + 1, & st) < 0)
|
||
fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno));
|
||
|
||
pa = (struct section_add *) xmalloc (sizeof (struct section_add));
|
||
|
||
len = s - optarg;
|
||
name = (char *) xmalloc (len + 1);
|
||
strncpy (name, optarg, len);
|
||
name[len] = '\0';
|
||
pa->name = name;
|
||
|
||
pa->filename = s + 1;
|
||
|
||
pa->size = st.st_size;
|
||
|
||
pa->contents = (bfd_byte *) xmalloc (pa->size);
|
||
f = fopen (pa->filename, FOPEN_RB);
|
||
|
||
if (f == NULL)
|
||
fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno));
|
||
|
||
if (fread (pa->contents, 1, pa->size, f) == 0
|
||
|| ferror (f))
|
||
fatal (_("%s: fread failed"), pa->filename);
|
||
|
||
fclose (f);
|
||
|
||
pa->next = add_sections;
|
||
add_sections = pa;
|
||
}
|
||
break;
|
||
case OPTION_CHANGE_START:
|
||
change_start = parse_vma (optarg, "--change-start");
|
||
break;
|
||
case OPTION_CHANGE_SECTION_ADDRESS:
|
||
case OPTION_CHANGE_SECTION_LMA:
|
||
case OPTION_CHANGE_SECTION_VMA:
|
||
{
|
||
const char *s;
|
||
int len;
|
||
char *name;
|
||
char *option;
|
||
bfd_vma val;
|
||
enum change_action what;
|
||
|
||
switch (c)
|
||
{
|
||
case OPTION_CHANGE_SECTION_ADDRESS: option = "--change-section-address"; break;
|
||
case OPTION_CHANGE_SECTION_LMA: option = "--change-section-lma"; break;
|
||
case OPTION_CHANGE_SECTION_VMA: option = "--change-section-vma"; break;
|
||
}
|
||
|
||
s = strchr (optarg, '=');
|
||
if (s == NULL)
|
||
{
|
||
s = strchr (optarg, '+');
|
||
if (s == NULL)
|
||
{
|
||
s = strchr (optarg, '-');
|
||
if (s == NULL)
|
||
fatal (_("bad format for %s"), option);
|
||
}
|
||
}
|
||
|
||
len = s - optarg;
|
||
name = (char *) xmalloc (len + 1);
|
||
strncpy (name, optarg, len);
|
||
name[len] = '\0';
|
||
|
||
p = find_section_list (name, true);
|
||
|
||
val = parse_vma (s + 1, option);
|
||
|
||
switch (*s)
|
||
{
|
||
case '=': what = CHANGE_SET; break;
|
||
case '-': val = - val; /* Drop through. */
|
||
case '+': what = CHANGE_MODIFY; break;
|
||
}
|
||
|
||
switch (c)
|
||
{
|
||
case OPTION_CHANGE_SECTION_ADDRESS:
|
||
p->change_vma = what;
|
||
p->vma_val = val;
|
||
/* Drop through. */
|
||
|
||
case OPTION_CHANGE_SECTION_LMA:
|
||
p->change_lma = what;
|
||
p->lma_val = val;
|
||
break;
|
||
|
||
case OPTION_CHANGE_SECTION_VMA:
|
||
p->change_vma = what;
|
||
p->vma_val = val;
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
case OPTION_CHANGE_ADDRESSES:
|
||
change_section_address = parse_vma (optarg, "--change-addresses");
|
||
change_start = change_section_address;
|
||
break;
|
||
case OPTION_CHANGE_WARNINGS:
|
||
change_warn = true;
|
||
break;
|
||
case OPTION_CHANGE_LEADING_CHAR:
|
||
change_leading_char = true;
|
||
break;
|
||
case OPTION_DEBUGGING:
|
||
convert_debugging = true;
|
||
break;
|
||
case OPTION_GAP_FILL:
|
||
{
|
||
bfd_vma gap_fill_vma;
|
||
|
||
gap_fill_vma = parse_vma (optarg, "--gap-fill");
|
||
gap_fill = (bfd_byte) gap_fill_vma;
|
||
if ((bfd_vma) gap_fill != gap_fill_vma)
|
||
{
|
||
char buff[20];
|
||
|
||
sprintf_vma (buff, gap_fill_vma);
|
||
|
||
non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
|
||
buff, gap_fill);
|
||
}
|
||
gap_fill_set = true;
|
||
}
|
||
break;
|
||
case OPTION_NO_CHANGE_WARNINGS:
|
||
change_warn = false;
|
||
break;
|
||
case OPTION_PAD_TO:
|
||
pad_to = parse_vma (optarg, "--pad-to");
|
||
pad_to_set = true;
|
||
break;
|
||
case OPTION_REMOVE_LEADING_CHAR:
|
||
remove_leading_char = true;
|
||
break;
|
||
case OPTION_SET_SECTION_FLAGS:
|
||
{
|
||
const char *s;
|
||
int len;
|
||
char *name;
|
||
|
||
s = strchr (optarg, '=');
|
||
if (s == NULL)
|
||
fatal (_("bad format for --set-section-flags"));
|
||
|
||
len = s - optarg;
|
||
name = (char *) xmalloc (len + 1);
|
||
strncpy (name, optarg, len);
|
||
name[len] = '\0';
|
||
|
||
p = find_section_list (name, true);
|
||
|
||
p->set_flags = true;
|
||
p->flags = parse_flags (s + 1);
|
||
}
|
||
break;
|
||
case OPTION_SET_START:
|
||
set_start = parse_vma (optarg, "--set-start");
|
||
set_start_set = 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)
|
||
print_version ("objcopy");
|
||
|
||
if (copy_byte >= interleave)
|
||
fatal (_("byte number must be less than interleave"));
|
||
|
||
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 (preserve_dates)
|
||
{
|
||
if (stat (input_filename, &statbuf) < 0)
|
||
fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno));
|
||
}
|
||
|
||
/* 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)
|
||
{
|
||
if (preserve_dates)
|
||
set_times (tmpname, &statbuf);
|
||
smart_rename (tmpname, input_filename, preserve_dates);
|
||
}
|
||
else
|
||
unlink (tmpname);
|
||
}
|
||
else
|
||
{
|
||
copy_file (input_filename, output_filename, input_target, output_target);
|
||
if (status == 0 && preserve_dates)
|
||
set_times (output_filename, &statbuf);
|
||
}
|
||
|
||
if (change_warn)
|
||
{
|
||
for (p = change_sections; p != NULL; p = p->next)
|
||
{
|
||
if (! p->used)
|
||
{
|
||
if (p->change_vma != CHANGE_IGNORE)
|
||
{
|
||
char buff [20];
|
||
|
||
sprintf_vma (buff, p->vma_val);
|
||
|
||
/* xgettext:c-format */
|
||
non_fatal (_("Warning: --change-section-vma %s%c0x%s never used"),
|
||
p->name,
|
||
p->change_vma == CHANGE_SET ? '=' : '+',
|
||
buff);
|
||
}
|
||
|
||
if (p->change_lma != CHANGE_IGNORE)
|
||
{
|
||
char buff [20];
|
||
|
||
sprintf_vma (buff, p->lma_val);
|
||
|
||
/* xgettext:c-format */
|
||
non_fatal (_("Warning: --change-section-lma %s%c0x%s never used"),
|
||
p->name,
|
||
p->change_lma == CHANGE_SET ? '=' : '+',
|
||
buff);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
|
||
setlocale (LC_MESSAGES, "");
|
||
#endif
|
||
bindtextdomain (PACKAGE, LOCALEDIR);
|
||
textdomain (PACKAGE);
|
||
|
||
program_name = argv[0];
|
||
xmalloc_set_program_name (program_name);
|
||
|
||
START_PROGRESS (program_name, 0);
|
||
|
||
strip_symbols = STRIP_UNDEF;
|
||
discard_locals = LOCALS_UNDEF;
|
||
|
||
bfd_init ();
|
||
set_default_bfd_target ();
|
||
|
||
if (is_strip < 0)
|
||
{
|
||
int i = strlen (program_name);
|
||
is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip") == 0);
|
||
}
|
||
|
||
if (is_strip)
|
||
strip_main (argc, argv);
|
||
else
|
||
copy_main (argc, argv);
|
||
|
||
END_PROGRESS (program_name);
|
||
|
||
return status;
|
||
}
|