608 lines
18 KiB
C
608 lines
18 KiB
C
/* Parse options for the GNU linker.
|
||
Copyright (C) 1991, 92, 93, 94, 95, 1996 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include <stdio.h>
|
||
#include <string.h>
|
||
#include <ctype.h>
|
||
#include "getopt.h"
|
||
#include "bfdlink.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"
|
||
#include "ldemul.h"
|
||
|
||
/* Somewhere above, sys/stat.h got included . . . . */
|
||
#if !defined(S_ISDIR) && defined(S_IFDIR)
|
||
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
|
||
#endif
|
||
|
||
/* 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));
|
||
|
||
/* Non-zero if we are processing a --defsym from the command line. */
|
||
int parsing_defsym = 0;
|
||
|
||
void
|
||
parse_args (argc, argv)
|
||
int argc;
|
||
char **argv;
|
||
{
|
||
int i;
|
||
int ingroup = 0;
|
||
char *default_dirlist = NULL;
|
||
|
||
/* 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:A:b:c:de:F::G:gh:iL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:z:()";
|
||
|
||
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
|
||
|
||
#define OPTION_ASSERT 150
|
||
#define OPTION_CALL_SHARED (OPTION_ASSERT + 1)
|
||
#define OPTION_DEFSYM (OPTION_CALL_SHARED + 1)
|
||
#define OPTION_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
|
||
#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
|
||
#define OPTION_EL (OPTION_EB + 1)
|
||
#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
|
||
#define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1)
|
||
#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
|
||
#define OPTION_IGNORE (OPTION_HELP + 1)
|
||
#define OPTION_MAP (OPTION_IGNORE + 1)
|
||
#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
|
||
#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
|
||
#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
|
||
#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
|
||
#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
|
||
#define OPTION_RELAX (OPTION_OFORMAT + 1)
|
||
#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
|
||
#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
|
||
#define OPTION_RPATH_LINK (OPTION_RPATH + 1)
|
||
#define OPTION_SHARED (OPTION_RPATH_LINK + 1)
|
||
#define OPTION_SONAME (OPTION_SHARED + 1)
|
||
#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
|
||
#define OPTION_STATS (OPTION_SORT_COMMON + 1)
|
||
#define OPTION_SYMBOLIC (OPTION_STATS + 1)
|
||
#define OPTION_TBSS (OPTION_SYMBOLIC + 1)
|
||
#define OPTION_TDATA (OPTION_TBSS + 1)
|
||
#define OPTION_TTEXT (OPTION_TDATA + 1)
|
||
#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
|
||
#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
|
||
#define OPTION_VERBOSE (OPTION_UR + 1)
|
||
#define OPTION_VERSION (OPTION_VERBOSE + 1)
|
||
#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
|
||
#define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1)
|
||
#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_CONSTRUCTORS + 1)
|
||
#define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1)
|
||
#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_ONCE + 1)
|
||
#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
|
||
#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
|
||
#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
|
||
|
||
static struct option longopts[] = {
|
||
/* Sorted alphabeticaly, except for the PE options grouped at the end. */
|
||
{"assert", required_argument, NULL, OPTION_ASSERT},
|
||
{"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
|
||
{"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
|
||
{"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
|
||
{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
|
||
{"dc", no_argument, NULL, 'd'},
|
||
{"defsym", required_argument, NULL, OPTION_DEFSYM},
|
||
{"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
|
||
{"dn", no_argument, NULL, OPTION_NON_SHARED},
|
||
{"dp", no_argument, NULL, 'd'},
|
||
{"dy", no_argument, NULL, OPTION_CALL_SHARED},
|
||
{"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
|
||
{"EB", no_argument, NULL, OPTION_EB},
|
||
{"EL", no_argument, NULL, OPTION_EL},
|
||
{"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
|
||
{"end-group", no_argument, NULL, ')'},
|
||
{"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
|
||
{"format", required_argument, NULL, 'b'},
|
||
{"help", no_argument, NULL, OPTION_HELP},
|
||
{"Map", required_argument, NULL, OPTION_MAP},
|
||
{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
|
||
{"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
|
||
{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
|
||
{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
|
||
{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
|
||
{"oformat", required_argument, NULL, OPTION_OFORMAT},
|
||
{"Qy", no_argument, NULL, OPTION_IGNORE},
|
||
{"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
|
||
{"relax", no_argument, NULL, OPTION_RELAX},
|
||
{"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
|
||
{"rpath", required_argument, NULL, OPTION_RPATH},
|
||
{"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
|
||
{"shared", no_argument, NULL, OPTION_SHARED},
|
||
{"soname", required_argument, NULL, OPTION_SONAME},
|
||
{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
|
||
{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
|
||
{"start-group", no_argument, NULL, '('},
|
||
{"stats", no_argument, NULL, OPTION_STATS},
|
||
{"static", no_argument, NULL, OPTION_NON_SHARED},
|
||
{"Tbss", required_argument, NULL, OPTION_TBSS},
|
||
{"Tdata", required_argument, NULL, OPTION_TDATA},
|
||
{"Ttext", required_argument, NULL, OPTION_TTEXT},
|
||
{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
|
||
{"Ur", no_argument, NULL, OPTION_UR},
|
||
{"verbose", no_argument, NULL, OPTION_VERBOSE},
|
||
{"version", no_argument, NULL, OPTION_VERSION},
|
||
{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
|
||
{"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
|
||
{"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
|
||
{"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
|
||
{"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
|
||
{"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
|
||
{"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
|
||
{"wrap", required_argument, NULL, OPTION_WRAP},
|
||
|
||
{NULL, no_argument, NULL, 0}
|
||
};
|
||
|
||
/* The -G option is ambiguous on different platforms. Sometimes it
|
||
specifies the largest data size to put into the small data
|
||
section. Sometimes it is equivalent to --shared. Unfortunately,
|
||
the first form takes an argument, while the second does not.
|
||
|
||
We need to permit the --shared form because on some platforms,
|
||
such as Solaris, gcc -shared will pass -G to the linker.
|
||
|
||
To permit either usage, we look through the argument list. If we
|
||
find -G not followed by a number, we change it into --shared.
|
||
This will work for most normal cases. */
|
||
for (i = 1; i < argc; i++)
|
||
if (strcmp (argv[i], "-G") == 0
|
||
&& (i + 1 >= argc
|
||
|| ! isdigit (argv[i + 1][0])))
|
||
argv[i] = (char *) "--shared";
|
||
|
||
while (1)
|
||
{
|
||
/* getopt_long_only is like getopt_long, but '-' as well as '--' can
|
||
indicate a long option. */
|
||
int longind;
|
||
int optc;
|
||
|
||
if (ldemul_parse_args (argc, argv))
|
||
continue;
|
||
|
||
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 OPTION_IGNORE:
|
||
break;
|
||
case 'a':
|
||
/* For HP/UX compatibility. Actually -a shared should mean
|
||
``use only shared libraries'' but, then, we don't
|
||
currently support shared libraries on HP/UX anyhow. */
|
||
if (strcmp (optarg, "archive") == 0)
|
||
config.dynamic_link = false;
|
||
else if (strcmp (optarg, "shared") == 0
|
||
|| strcmp (optarg, "default") == 0)
|
||
config.dynamic_link = true;
|
||
else
|
||
einfo ("%P%F: unrecognized -a option `%s'\n", optarg);
|
||
break;
|
||
case OPTION_ASSERT:
|
||
/* FIXME: We just ignore these, but we should handle them. */
|
||
if (strcmp (optarg, "definitions") == 0)
|
||
;
|
||
else if (strcmp (optarg, "nodefinitions") == 0)
|
||
;
|
||
else if (strcmp (optarg, "nosymbolic") == 0)
|
||
;
|
||
else if (strcmp (optarg, "pure-text") == 0)
|
||
;
|
||
else
|
||
einfo ("%P%F: unrecognized -assert option `%s'\n", optarg);
|
||
break;
|
||
case 'A':
|
||
ldfile_add_arch (optarg);
|
||
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:
|
||
config.dynamic_link = true;
|
||
break;
|
||
case OPTION_NON_SHARED:
|
||
config.dynamic_link = false;
|
||
break;
|
||
case 'd':
|
||
command_line.force_common_definition = true;
|
||
break;
|
||
case OPTION_DEFSYM:
|
||
lex_string = optarg;
|
||
lex_redirect (optarg);
|
||
parser_input = input_defsym;
|
||
parsing_defsym = 1;
|
||
yyparse ();
|
||
parsing_defsym = 0;
|
||
lex_string = NULL;
|
||
break;
|
||
case OPTION_DYNAMIC_LINKER:
|
||
command_line.interpreter = optarg;
|
||
break;
|
||
case OPTION_EB:
|
||
command_line.endian = ENDIAN_BIG;
|
||
break;
|
||
case OPTION_EL:
|
||
command_line.endian = ENDIAN_LITTLE;
|
||
break;
|
||
case OPTION_EMBEDDED_RELOCS:
|
||
command_line.embedded_relocs = true;
|
||
break;
|
||
case OPTION_EXPORT_DYNAMIC:
|
||
command_line.export_dynamic = true;
|
||
break;
|
||
case 'e':
|
||
lang_add_entry (optarg, true);
|
||
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, true);
|
||
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:
|
||
config.map_filename = optarg;
|
||
break;
|
||
case 'N':
|
||
config.text_read_only = false;
|
||
config.magic_demand_paged = false;
|
||
config.dynamic_link = false;
|
||
break;
|
||
case 'n':
|
||
config.magic_demand_paged = false;
|
||
config.dynamic_link = false;
|
||
break;
|
||
case OPTION_NO_KEEP_MEMORY:
|
||
link_info.keep_memory = false;
|
||
break;
|
||
case OPTION_NOINHIBIT_EXEC:
|
||
force_make_executable = true;
|
||
break;
|
||
case OPTION_NO_WHOLE_ARCHIVE:
|
||
whole_archive = false;
|
||
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. */
|
||
break;
|
||
case 'o':
|
||
lang_add_output (optarg, 0);
|
||
break;
|
||
case OPTION_OFORMAT:
|
||
lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0);
|
||
break;
|
||
case 'i':
|
||
case 'r':
|
||
link_info.relocateable = true;
|
||
config.build_constructors = false;
|
||
config.magic_demand_paged = false;
|
||
config.text_read_only = false;
|
||
config.dynamic_link = false;
|
||
break;
|
||
case 'R':
|
||
/* The GNU linker traditionally uses -R to mean to include
|
||
only the symbols from a file. The Solaris linker uses -R
|
||
to set the path used by the runtime linker to find
|
||
libraries. This is the GNU linker -rpath argument. We
|
||
try to support both simultaneously by checking the file
|
||
named. If it is a directory, rather than a regular file,
|
||
we assume -rpath was meant. */
|
||
{
|
||
struct stat s;
|
||
|
||
if (stat (optarg, &s) >= 0
|
||
&& ! S_ISDIR (s.st_mode))
|
||
{
|
||
lang_add_input_file (optarg,
|
||
lang_input_file_is_symbols_only_enum,
|
||
(char *) NULL);
|
||
break;
|
||
}
|
||
}
|
||
/* Fall through. */
|
||
case OPTION_RPATH:
|
||
if (command_line.rpath == NULL)
|
||
command_line.rpath = buystring (optarg);
|
||
else
|
||
{
|
||
char *buf;
|
||
|
||
buf = xmalloc (strlen (command_line.rpath)
|
||
+ strlen (optarg)
|
||
+ 2);
|
||
sprintf (buf, "%s:%s", command_line.rpath, optarg);
|
||
free (command_line.rpath);
|
||
command_line.rpath = buf;
|
||
}
|
||
break;
|
||
case OPTION_RPATH_LINK:
|
||
if (command_line.rpath_link == NULL)
|
||
command_line.rpath_link = buystring (optarg);
|
||
else
|
||
{
|
||
char *buf;
|
||
|
||
buf = xmalloc (strlen (command_line.rpath_link)
|
||
+ strlen (optarg)
|
||
+ 2);
|
||
sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
|
||
free (command_line.rpath_link);
|
||
command_line.rpath_link = buf;
|
||
}
|
||
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_SHARED:
|
||
link_info.shared = true;
|
||
break;
|
||
case 'h': /* Used on Solaris. */
|
||
case OPTION_SONAME:
|
||
command_line.soname = optarg;
|
||
break;
|
||
case OPTION_SORT_COMMON:
|
||
config.sort_common = true;
|
||
break;
|
||
case OPTION_STATS:
|
||
config.stats = true;
|
||
break;
|
||
case OPTION_SYMBOLIC:
|
||
link_info.symbolic = 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_TRADITIONAL_FORMAT:
|
||
config.traditional_format = true;
|
||
break;
|
||
case OPTION_UR:
|
||
link_info.relocateable = true;
|
||
config.build_constructors = true;
|
||
config.magic_demand_paged = false;
|
||
config.text_read_only = false;
|
||
config.dynamic_link = false;
|
||
break;
|
||
case 'u':
|
||
ldlang_add_undef (optarg);
|
||
break;
|
||
case OPTION_VERBOSE:
|
||
ldversion (1);
|
||
version_printed = true;
|
||
trace_file_tries = true;
|
||
break;
|
||
case 'v':
|
||
ldversion (0);
|
||
version_printed = true;
|
||
break;
|
||
case 'V':
|
||
ldversion (1);
|
||
version_printed = true;
|
||
break;
|
||
case OPTION_VERSION:
|
||
ldversion (0);
|
||
version_printed = true;
|
||
break;
|
||
case OPTION_WARN_COMMON:
|
||
config.warn_common = true;
|
||
break;
|
||
case OPTION_WARN_CONSTRUCTORS:
|
||
config.warn_constructors = true;
|
||
break;
|
||
case OPTION_WARN_MULTIPLE_GP:
|
||
config.warn_multiple_gp = true;
|
||
break;
|
||
case OPTION_WARN_ONCE:
|
||
config.warn_once = true;
|
||
break;
|
||
case OPTION_WHOLE_ARCHIVE:
|
||
whole_archive = true;
|
||
break;
|
||
case OPTION_WRAP:
|
||
if (link_info.wrap_hash == NULL)
|
||
{
|
||
link_info.wrap_hash = ((struct bfd_hash_table *)
|
||
xmalloc (sizeof (struct bfd_hash_table)));
|
||
if (! bfd_hash_table_init_n (link_info.wrap_hash,
|
||
bfd_hash_newfunc,
|
||
61))
|
||
einfo ("%P%F: bfd_hash_table_init failed: %E\n");
|
||
}
|
||
if (bfd_hash_lookup (link_info.wrap_hash, optarg, true, true)
|
||
== NULL)
|
||
einfo ("%P%F: bfd_hash_lookup failed: %E\n");
|
||
break;
|
||
case 'X':
|
||
link_info.discard = discard_l;
|
||
break;
|
||
case 'x':
|
||
link_info.discard = discard_all;
|
||
break;
|
||
case 'Y':
|
||
if (strncmp (optarg, "P,", 2) == 0)
|
||
optarg += 2;
|
||
default_dirlist = optarg;
|
||
break;
|
||
case 'y':
|
||
add_ysym (optarg);
|
||
break;
|
||
case 'z':
|
||
/* We accept and ignore this option for Solaris
|
||
compatibility. Actually, on Solaris, optarg is not
|
||
ignored. Someday we should handle it correctly. FIXME. */
|
||
break;
|
||
case OPTION_SPLIT_BY_RELOC:
|
||
config.split_by_reloc = atoi (optarg);
|
||
break;
|
||
case OPTION_SPLIT_BY_FILE:
|
||
config.split_by_file = true;
|
||
break;
|
||
case '(':
|
||
if (ingroup)
|
||
{
|
||
fprintf (stderr,
|
||
"%s: may not nest groups (--help for usage)\n",
|
||
program_name);
|
||
xexit (1);
|
||
}
|
||
lang_enter_group ();
|
||
ingroup = 1;
|
||
break;
|
||
case ')':
|
||
if (! ingroup)
|
||
{
|
||
fprintf (stderr,
|
||
"%s: group ended before it began (--help for usage)\n",
|
||
program_name);
|
||
xexit (1);
|
||
}
|
||
lang_leave_group ();
|
||
ingroup = 0;
|
||
break;
|
||
|
||
}
|
||
}
|
||
|
||
if (ingroup)
|
||
lang_leave_group ();
|
||
|
||
if (default_dirlist != NULL)
|
||
set_default_dirlist (default_dirlist);
|
||
|
||
}
|
||
|
||
/* 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, true);
|
||
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));
|
||
}
|
||
|