mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-02 23:04:09 +08:00
347 lines
8.9 KiB
C
347 lines
8.9 KiB
C
/* Parse options for the GNU linker.
|
|
Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
|
|
|
|
This file is part of GLD, the Gnu Linker.
|
|
|
|
GLD 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, or (at your option)
|
|
any later version.
|
|
|
|
GLD 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 GLD; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "getopt.h"
|
|
#include "bfdlink.h"
|
|
#include "config.h"
|
|
#include "ld.h"
|
|
#include "ldmain.h"
|
|
#include "ldmisc.h"
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldgram.h"
|
|
#include "ldlex.h"
|
|
#include "ldfile.h"
|
|
#include "ldver.h"
|
|
|
|
/* Omit args to avoid the possibility of clashing with a system header
|
|
that might disagree about consts. */
|
|
unsigned long strtoul ();
|
|
|
|
static void set_default_dirlist PARAMS ((char *dirlist_ptr));
|
|
static void set_section_start PARAMS ((char *sect, char *valstr));
|
|
|
|
void
|
|
parse_args (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
/* Starting the short option string with '-' is for programs that
|
|
expect options and other ARGV-elements in any order and that care about
|
|
the ordering of the two. We describe each non-option ARGV-element
|
|
as if it were the argument of an option with character code 1. */
|
|
|
|
const char *shortopts = "-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:";
|
|
|
|
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
|
|
|
|
static struct option longopts[] = {
|
|
#define OPTION_CALL_SHARED 150
|
|
{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
|
|
{"dc", no_argument, NULL, 'd'},
|
|
#define OPTION_DEFSYM 151
|
|
{"defsym", required_argument, NULL, OPTION_DEFSYM},
|
|
{"dn", no_argument, NULL, OPTION_CALL_SHARED},
|
|
{"dp", no_argument, NULL, 'd'},
|
|
#define OPTION_EB 152
|
|
{"EB", no_argument, NULL, OPTION_EB},
|
|
#define OPTION_EL 153
|
|
{"EL", no_argument, NULL, OPTION_EL},
|
|
{"format", required_argument, NULL, 'b'},
|
|
#define OPTION_HELP 154
|
|
{"help", no_argument, NULL, OPTION_HELP},
|
|
#define OPTION_MAP 155
|
|
{"Map", required_argument, NULL, OPTION_MAP},
|
|
#define OPTION_NO_KEEP_MEMORY 156
|
|
{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
|
|
#define OPTION_NOINHIBIT_EXEC 157
|
|
{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
|
|
{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
|
|
{"non_shared", no_argument, NULL, OPTION_CALL_SHARED},
|
|
#define OPTION_OFORMAT 158
|
|
{"oformat", required_argument, NULL, OPTION_OFORMAT},
|
|
{"Qy", no_argument, NULL, OPTION_CALL_SHARED},
|
|
#define OPTION_RELAX 159
|
|
{"relax", no_argument, NULL, OPTION_RELAX},
|
|
#define OPTION_RETAIN_SYMBOLS_FILE 160
|
|
{"retain-symbols-file", no_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
|
|
#define OPTION_SORT_COMMON 161
|
|
{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
|
|
{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
|
|
#define OPTION_STATS 162
|
|
{"stats", no_argument, NULL, OPTION_STATS},
|
|
#define OPTION_TBSS 163
|
|
{"Tbss", required_argument, NULL, OPTION_TBSS},
|
|
#define OPTION_TDATA 164
|
|
{"Tdata", required_argument, NULL, OPTION_TDATA},
|
|
#define OPTION_TTEXT 165
|
|
{"Ttext", required_argument, NULL, OPTION_TTEXT},
|
|
#define OPTION_UR 166
|
|
{"Ur", no_argument, NULL, OPTION_UR},
|
|
#define OPTION_VERSION 167
|
|
{"version", no_argument, NULL, OPTION_VERSION},
|
|
#define OPTION_WARN_COMMON 168
|
|
{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
|
|
{NULL, no_argument, NULL, 0}
|
|
};
|
|
|
|
while (1)
|
|
{
|
|
/* getopt_long_only is like getopt_long, but '-' as well as '--' can
|
|
indicate a long option. */
|
|
int longind;
|
|
int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
|
|
|
|
if (optc == -1)
|
|
break;
|
|
|
|
switch (optc)
|
|
{
|
|
default:
|
|
xexit (1);
|
|
case 1: /* File name. */
|
|
lang_add_input_file (optarg, lang_input_file_is_file_enum,
|
|
(char *) NULL);
|
|
break;
|
|
|
|
case 'A':
|
|
ldfile_add_arch (optarg);
|
|
break;
|
|
case 'B':
|
|
/* Ignore. */
|
|
break;
|
|
case 'b':
|
|
lang_add_target (optarg);
|
|
break;
|
|
case 'c':
|
|
ldfile_open_command_file (optarg);
|
|
parser_input = input_mri_script;
|
|
yyparse ();
|
|
break;
|
|
case OPTION_CALL_SHARED:
|
|
set_default_dirlist ((char *) longopts[longind].name);
|
|
break;
|
|
case 'd':
|
|
command_line.force_common_definition = true;
|
|
break;
|
|
case OPTION_DEFSYM:
|
|
lex_redirect (optarg);
|
|
parser_input = input_defsym;
|
|
yyparse ();
|
|
break;
|
|
case OPTION_EB:
|
|
/* FIXME: This is currently ignored. It means
|
|
``produce a big-endian object file''. It could
|
|
be used to select an output format. */
|
|
break;
|
|
case OPTION_EL:
|
|
/* FIXME: This is currently ignored. It means
|
|
``produce a little-endian object file''. It could
|
|
be used to select an output format. */
|
|
break;
|
|
case 'e':
|
|
lang_add_entry (optarg);
|
|
break;
|
|
case 'F':
|
|
/* Ignore. */
|
|
break;
|
|
case 'G':
|
|
{
|
|
char *end;
|
|
g_switch_value = strtoul (optarg, &end, 0);
|
|
if (*end)
|
|
einfo ("%P%F: invalid number `%s'\n", optarg);
|
|
}
|
|
break;
|
|
case 'g':
|
|
/* Ignore. */
|
|
break;
|
|
case OPTION_HELP:
|
|
help ();
|
|
xexit (0);
|
|
break;
|
|
case 'L':
|
|
ldfile_add_library_path (optarg);
|
|
break;
|
|
case 'l':
|
|
lang_add_input_file (optarg, lang_input_file_is_l_enum,
|
|
(char *) NULL);
|
|
break;
|
|
case 'M':
|
|
config.map_filename = "-";
|
|
break;
|
|
case 'm':
|
|
/* Ignore. Was handled in a pre-parse. */
|
|
break;
|
|
case OPTION_MAP:
|
|
write_map = true;
|
|
config.map_filename = optarg;
|
|
break;
|
|
case 'N':
|
|
config.text_read_only = false;
|
|
config.magic_demand_paged = false;
|
|
break;
|
|
case 'n':
|
|
config.magic_demand_paged = false;
|
|
break;
|
|
case OPTION_NO_KEEP_MEMORY:
|
|
link_info.keep_memory = false;
|
|
break;
|
|
case OPTION_NOINHIBIT_EXEC:
|
|
force_make_executable = true;
|
|
break;
|
|
case 'O':
|
|
/* FIXME "-O<non-digits> <value>" used to set the address of
|
|
section <non-digits>. Was this for compatibility with
|
|
something, or can we create a new option to do that
|
|
(with a syntax similar to -defsym)?
|
|
getopt can't handle two args to an option without kludges. */
|
|
set_default_dirlist (optarg);
|
|
break;
|
|
case 'o':
|
|
lang_add_output (optarg, 0);
|
|
break;
|
|
case OPTION_OFORMAT:
|
|
lang_add_output_format (optarg, 0);
|
|
break;
|
|
case 'r':
|
|
link_info.relocateable = true;
|
|
config.build_constructors = false;
|
|
config.magic_demand_paged = false;
|
|
config.text_read_only = false;
|
|
break;
|
|
case 'R':
|
|
lang_add_input_file (optarg,
|
|
lang_input_file_is_symbols_only_enum,
|
|
(char *) NULL);
|
|
break;
|
|
case OPTION_RELAX:
|
|
command_line.relax = true;
|
|
break;
|
|
case OPTION_RETAIN_SYMBOLS_FILE:
|
|
add_keepsyms_file (optarg);
|
|
break;
|
|
case 'S':
|
|
link_info.strip = strip_debugger;
|
|
break;
|
|
case 's':
|
|
link_info.strip = strip_all;
|
|
break;
|
|
case OPTION_SORT_COMMON:
|
|
config.sort_common = true;
|
|
break;
|
|
case OPTION_STATS:
|
|
config.stats = true;
|
|
break;
|
|
case 't':
|
|
trace_files = true;
|
|
break;
|
|
case 'T':
|
|
ldfile_open_command_file (optarg);
|
|
parser_input = input_script;
|
|
yyparse ();
|
|
break;
|
|
case OPTION_TBSS:
|
|
set_section_start (".bss", optarg);
|
|
break;
|
|
case OPTION_TDATA:
|
|
set_section_start (".data", optarg);
|
|
break;
|
|
case OPTION_TTEXT:
|
|
set_section_start (".text", optarg);
|
|
break;
|
|
case OPTION_UR:
|
|
link_info.relocateable = true;
|
|
config.build_constructors = true;
|
|
config.magic_demand_paged = false;
|
|
config.text_read_only = false;
|
|
break;
|
|
case 'u':
|
|
ldlang_add_undef (optarg);
|
|
break;
|
|
case 'V':
|
|
ldversion (1);
|
|
version_printed = true;
|
|
trace_file_tries = true;
|
|
break;
|
|
case 'v':
|
|
ldversion (0);
|
|
version_printed = true;
|
|
break;
|
|
case OPTION_VERSION:
|
|
ldversion (0);
|
|
version_printed = true;
|
|
break;
|
|
case OPTION_WARN_COMMON:
|
|
config.warn_common = true;
|
|
break;
|
|
case 'X':
|
|
link_info.discard = discard_l;
|
|
break;
|
|
case 'x':
|
|
link_info.discard = discard_all;
|
|
break;
|
|
case 'Y':
|
|
set_default_dirlist (optarg);
|
|
break;
|
|
case 'y':
|
|
add_ysym (optarg);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Add the (colon-separated) elements of DIRLIST_PTR to the
|
|
library search path. */
|
|
|
|
static void
|
|
set_default_dirlist (dirlist_ptr)
|
|
char *dirlist_ptr;
|
|
{
|
|
char *p;
|
|
|
|
while (1)
|
|
{
|
|
p = strchr (dirlist_ptr, ':');
|
|
if (p != NULL)
|
|
*p = 0;
|
|
if (*dirlist_ptr)
|
|
ldfile_add_library_path (dirlist_ptr);
|
|
if (p == NULL)
|
|
break;
|
|
*p = ':';
|
|
dirlist_ptr = p + 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_section_start (sect, valstr)
|
|
char *sect, *valstr;
|
|
{
|
|
char *end;
|
|
unsigned long val = strtoul (valstr, &end, 16);
|
|
if (*end)
|
|
einfo ("%P%F: invalid hex number `%s'\n", valstr);
|
|
lang_section_start (sect, exp_intop (val));
|
|
}
|