[deliverable/binutils-gdb.git] / ld / lexsup.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
#define OPTION_NON_SHARED 151
    {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
    {"dc", no_argument, NULL, 'd'},
#define OPTION_DEFSYM 152
    {"defsym", required_argument, NULL, OPTION_DEFSYM},
    {"dn", no_argument, NULL, OPTION_NON_SHARED},
    {"dp", no_argument, NULL, 'd'},
    {"dy", no_argument, NULL, OPTION_CALL_SHARED},
#define OPTION_EB 153
    {"EB", no_argument, NULL, OPTION_EB},
#define OPTION_EL 154
    {"EL", no_argument, NULL, OPTION_EL},
    {"format", required_argument, NULL, 'b'},
#define OPTION_HELP 155
    {"help", no_argument, NULL, OPTION_HELP},
#define OPTION_MAP 156
    {"Map", required_argument, NULL, OPTION_MAP},
#define OPTION_NO_KEEP_MEMORY 157
    {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
#define OPTION_NOINHIBIT_EXEC 158
    {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
    {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
    {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
#define OPTION_OFORMAT 159
    {"oformat", required_argument, NULL, OPTION_OFORMAT},
#define OPTION_IGNORE 160
    {"Qy", no_argument, NULL, OPTION_IGNORE},
#define OPTION_RELAX 161
    {"relax", no_argument, NULL, OPTION_RELAX},
#define OPTION_RETAIN_SYMBOLS_FILE 162
    {"retain-symbols-file", no_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
#define OPTION_SORT_COMMON 163
    {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
    {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
#define OPTION_STATS 164
    {"stats", no_argument, NULL, OPTION_STATS},
#define OPTION_TBSS 165
    {"Tbss", required_argument, NULL, OPTION_TBSS},
#define OPTION_TDATA 166
    {"Tdata", required_argument, NULL, OPTION_TDATA},
#define OPTION_TTEXT 167
    {"Ttext", required_argument, NULL, OPTION_TTEXT},
#define OPTION_UR 168
    {"Ur", no_argument, NULL, OPTION_UR},
#define OPTION_VERSION 169
    {"version", no_argument, NULL, OPTION_VERSION},
#define OPTION_WARN_COMMON 170
    {"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 OPTION_IGNORE:
	  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:
	  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_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, 1);
	  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:
	  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;
	  config.dynamic_link = 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;
	  config.dynamic_link = 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));
}
Commit	Line	Data
d4e5e3c3 DM	1	/* Parse options for the GNU linker.
	2	Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
	3
	4	This file is part of GLD, the Gnu Linker.
	5
	6	GLD is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	GLD is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GLD; see the file COPYING. If not, write to
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	#include "bfd.h"
	21	#include "sysdep.h"
	22	#include <stdio.h>
	23	#include <string.h>
	24	#include "getopt.h"
	25	#include "bfdlink.h"
	26	#include "config.h"
	27	#include "ld.h"
	28	#include "ldmain.h"
	29	#include "ldmisc.h"
	30	#include "ldexp.h"
	31	#include "ldlang.h"
	32	#include "ldgram.h"
	33	#include "ldlex.h"
	34	#include "ldfile.h"
4725fb48	35	#include "ldver.h"
d4e5e3c3 DM	36
	37	/* Omit args to avoid the possibility of clashing with a system header
	38	that might disagree about consts. */
	39	unsigned long strtoul ();
	40
	41	static void set_default_dirlist PARAMS ((char *dirlist_ptr));
	42	static void set_section_start PARAMS ((char sect, char valstr));
	43
	44	void
	45	parse_args (argc, argv)
	46	int argc;
	47	char **argv;
	48	{
	49	/* Starting the short option string with '-' is for programs that
	50	expect options and other ARGV-elements in any order and that care about
	51	the ordering of the two. We describe each non-option ARGV-element
	52	as if it were the argument of an option with character code 1. */
	53
d5b79a89	54	const char *shortopts = "-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:";
d4e5e3c3	55
d5b79a89 DM	56	/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
	57
	58	static struct option longopts[] = {
	59	#define OPTION_CALL_SHARED 150
2a9fa50c	60	#define OPTION_NON_SHARED 151
d5b79a89	61	{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
d4e5e3c3	62	{"dc", no_argument, NULL, 'd'},
2a9fa50c	63	#define OPTION_DEFSYM 152
d5b79a89	64	{"defsym", required_argument, NULL, OPTION_DEFSYM},
2a9fa50c	65	{"dn", no_argument, NULL, OPTION_NON_SHARED},
d4e5e3c3	66	{"dp", no_argument, NULL, 'd'},
2a9fa50c ILT	67	{"dy", no_argument, NULL, OPTION_CALL_SHARED},
2a9fa50c ILT	68	#define OPTION_EB 153
d5b79a89	69	{"EB", no_argument, NULL, OPTION_EB},
2a9fa50c	70	#define OPTION_EL 154
d5b79a89	71	{"EL", no_argument, NULL, OPTION_EL},
d4e5e3c3	72	{"format", required_argument, NULL, 'b'},
2a9fa50c	73	#define OPTION_HELP 155
d5b79a89	74	{"help", no_argument, NULL, OPTION_HELP},
2a9fa50c	75	#define OPTION_MAP 156
d5b79a89	76	{"Map", required_argument, NULL, OPTION_MAP},
2a9fa50c	77	#define OPTION_NO_KEEP_MEMORY 157
d5b79a89	78	{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
2a9fa50c	79	#define OPTION_NOINHIBIT_EXEC 158
d5b79a89 DM	80	{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
d5b79a89 DM	81	{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
2a9fa50c ILT	82	{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
2a9fa50c ILT	83	#define OPTION_OFORMAT 159
d5b79a89	84	{"oformat", required_argument, NULL, OPTION_OFORMAT},
2a9fa50c ILT	85	#define OPTION_IGNORE 160
	86	{"Qy", no_argument, NULL, OPTION_IGNORE},
	87	#define OPTION_RELAX 161
d5b79a89	88	{"relax", no_argument, NULL, OPTION_RELAX},
2a9fa50c	89	#define OPTION_RETAIN_SYMBOLS_FILE 162
d5b79a89	90	{"retain-symbols-file", no_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
2a9fa50c	91	#define OPTION_SORT_COMMON 163
d5b79a89 DM	92	{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
d5b79a89 DM	93	{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
2a9fa50c	94	#define OPTION_STATS 164
d5b79a89	95	{"stats", no_argument, NULL, OPTION_STATS},
2a9fa50c	96	#define OPTION_TBSS 165
d5b79a89	97	{"Tbss", required_argument, NULL, OPTION_TBSS},
2a9fa50c	98	#define OPTION_TDATA 166
d5b79a89	99	{"Tdata", required_argument, NULL, OPTION_TDATA},
2a9fa50c	100	#define OPTION_TTEXT 167
d5b79a89	101	{"Ttext", required_argument, NULL, OPTION_TTEXT},
2a9fa50c	102	#define OPTION_UR 168
d5b79a89	103	{"Ur", no_argument, NULL, OPTION_UR},
2a9fa50c	104	#define OPTION_VERSION 169
d5b79a89	105	{"version", no_argument, NULL, OPTION_VERSION},
2a9fa50c	106	#define OPTION_WARN_COMMON 170
d5b79a89	107	{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
d4e5e3c3 DM	108	{NULL, no_argument, NULL, 0}
	109	};
	110
	111	while (1)
	112	{
	113	/* getopt_long_only is like getopt_long, but '-' as well as '--' can
	114	indicate a long option. */
d5b79a89 DM	115	int longind;
	116	int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
	117
d4e5e3c3 DM	118	if (optc == -1)
	119	break;
	120
	121	switch (optc)
	122	{
	123	default:
	124	xexit (1);
	125	case 1: /* File name. */
	126	lang_add_input_file (optarg, lang_input_file_is_file_enum,
	127	(char *) NULL);
	128	break;
	129
2a9fa50c ILT	130	case OPTION_IGNORE:
2a9fa50c ILT	131	break;
d4e5e3c3 DM	132	case 'A':
	133	ldfile_add_arch (optarg);
	134	break;
	135	case 'B':
	136	/* Ignore. */
	137	break;
	138	case 'b':
	139	lang_add_target (optarg);
	140	break;
	141	case 'c':
	142	ldfile_open_command_file (optarg);
	143	parser_input = input_mri_script;
	144	yyparse ();
	145	break;
d5b79a89	146	case OPTION_CALL_SHARED:
2a9fa50c ILT	147	config.dynamic_link = true;
	148	break;
	149	case OPTION_NON_SHARED:
	150	config.dynamic_link = false;
d4e5e3c3 DM	151	break;
	152	case 'd':
	153	command_line.force_common_definition = true;
	154	break;
d5b79a89	155	case OPTION_DEFSYM:
d4e5e3c3 DM	156	lex_redirect (optarg);
	157	parser_input = input_defsym;
	158	yyparse ();
	159	break;
d5b79a89	160	case OPTION_EB:
d4e5e3c3 DM	161	/* FIXME: This is currently ignored. It means
	162	``produce a big-endian object file''. It could
	163	be used to select an output format. */
	164	break;
d5b79a89	165	case OPTION_EL:
d4e5e3c3 DM	166	/* FIXME: This is currently ignored. It means
	167	``produce a little-endian object file''. It could
	168	be used to select an output format. */
	169	break;
	170	case 'e':
60e8a534	171	lang_add_entry (optarg, 1);
d4e5e3c3 DM	172	break;
	173	case 'F':
	174	/* Ignore. */
	175	break;
	176	case 'G':
	177	{
	178	char *end;
	179	g_switch_value = strtoul (optarg, &end, 0);
	180	if (*end)
9d3898b2	181	einfo ("%P%F: invalid number `%s'\n", optarg);
d4e5e3c3 DM	182	}
	183	break;
	184	case 'g':
	185	/* Ignore. */
	186	break;
d5b79a89	187	case OPTION_HELP:
d4e5e3c3 DM	188	help ();
	189	xexit (0);
	190	break;
	191	case 'L':
	192	ldfile_add_library_path (optarg);
	193	break;
	194	case 'l':
	195	lang_add_input_file (optarg, lang_input_file_is_l_enum,
	196	(char *) NULL);
	197	break;
	198	case 'M':
	199	config.map_filename = "-";
	200	break;
	201	case 'm':
	202	/* Ignore. Was handled in a pre-parse. */
	203	break;
d5b79a89	204	case OPTION_MAP:
d4e5e3c3 DM	205	config.map_filename = optarg;
	206	break;
	207	case 'N':
	208	config.text_read_only = false;
	209	config.magic_demand_paged = false;
	210	break;
	211	case 'n':
	212	config.magic_demand_paged = false;
	213	break;
d5b79a89	214	case OPTION_NO_KEEP_MEMORY:
d4e5e3c3 DM	215	link_info.keep_memory = false;
d4e5e3c3 DM	216	break;
d5b79a89	217	case OPTION_NOINHIBIT_EXEC:
d4e5e3c3 DM	218	force_make_executable = true;
	219	break;
	220	case 'O':
	221	/* FIXME "-O<non-digits> <value>" used to set the address of
	222	section <non-digits>. Was this for compatibility with
	223	something, or can we create a new option to do that
	224	(with a syntax similar to -defsym)?
	225	getopt can't handle two args to an option without kludges. */
	226	set_default_dirlist (optarg);
	227	break;
	228	case 'o':
	229	lang_add_output (optarg, 0);
	230	break;
d5b79a89	231	case OPTION_OFORMAT:
d4e5e3c3 DM	232	lang_add_output_format (optarg, 0);
	233	break;
	234	case 'r':
	235	link_info.relocateable = true;
	236	config.build_constructors = false;
	237	config.magic_demand_paged = false;
	238	config.text_read_only = false;
2a9fa50c	239	config.dynamic_link = false;
d4e5e3c3 DM	240	break;
	241	case 'R':
	242	lang_add_input_file (optarg,
	243	lang_input_file_is_symbols_only_enum,
	244	(char *) NULL);
	245	break;
d5b79a89	246	case OPTION_RELAX:
d4e5e3c3 DM	247	command_line.relax = true;
d4e5e3c3 DM	248	break;
d5b79a89	249	case OPTION_RETAIN_SYMBOLS_FILE:
d4e5e3c3 DM	250	add_keepsyms_file (optarg);
	251	break;
	252	case 'S':
	253	link_info.strip = strip_debugger;
	254	break;
	255	case 's':
	256	link_info.strip = strip_all;
	257	break;
d5b79a89	258	case OPTION_SORT_COMMON:
d4e5e3c3 DM	259	config.sort_common = true;
d4e5e3c3 DM	260	break;
d5b79a89	261	case OPTION_STATS:
d4e5e3c3 DM	262	config.stats = true;
	263	break;
	264	case 't':
	265	trace_files = true;
	266	break;
	267	case 'T':
	268	ldfile_open_command_file (optarg);
	269	parser_input = input_script;
	270	yyparse ();
	271	break;
d5b79a89	272	case OPTION_TBSS:
d4e5e3c3 DM	273	set_section_start (".bss", optarg);
d4e5e3c3 DM	274	break;
d5b79a89	275	case OPTION_TDATA:
d4e5e3c3 DM	276	set_section_start (".data", optarg);
d4e5e3c3 DM	277	break;
d5b79a89	278	case OPTION_TTEXT:
d4e5e3c3 DM	279	set_section_start (".text", optarg);
d4e5e3c3 DM	280	break;
d5b79a89	281	case OPTION_UR:
d4e5e3c3 DM	282	link_info.relocateable = true;
	283	config.build_constructors = true;
	284	config.magic_demand_paged = false;
	285	config.text_read_only = false;
2a9fa50c	286	config.dynamic_link = false;
d4e5e3c3 DM	287	break;
	288	case 'u':
	289	ldlang_add_undef (optarg);
	290	break;
	291	case 'V':
	292	ldversion (1);
	293	version_printed = true;
	294	trace_file_tries = true;
	295	break;
	296	case 'v':
	297	ldversion (0);
	298	version_printed = true;
	299	break;
d5b79a89	300	case OPTION_VERSION:
d4e5e3c3 DM	301	ldversion (0);
	302	version_printed = true;
	303	break;
d5b79a89	304	case OPTION_WARN_COMMON:
d4e5e3c3 DM	305	config.warn_common = true;
	306	break;
	307	case 'X':
	308	link_info.discard = discard_l;
	309	break;
	310	case 'x':
	311	link_info.discard = discard_all;
	312	break;
d5b79a89 DM	313	case 'Y':
	314	set_default_dirlist (optarg);
	315	break;
d4e5e3c3 DM	316	case 'y':
	317	add_ysym (optarg);
	318	break;
	319	}
	320	}
	321	}
	322
	323	/* Add the (colon-separated) elements of DIRLIST_PTR to the
	324	library search path. */
	325
	326	static void
	327	set_default_dirlist (dirlist_ptr)
	328	char *dirlist_ptr;
	329	{
	330	char *p;
	331
	332	while (1)
	333	{
	334	p = strchr (dirlist_ptr, ':');
	335	if (p != NULL)
	336	*p = 0;
	337	if (*dirlist_ptr)
	338	ldfile_add_library_path (dirlist_ptr);
	339	if (p == NULL)
	340	break;
	341	*p = ':';
	342	dirlist_ptr = p + 1;
	343	}
	344	}
	345
	346	static void
	347	set_section_start (sect, valstr)
	348	char sect, valstr;
	349	{
	350	char *end;
	351	unsigned long val = strtoul (valstr, &end, 16);
	352	if (*end)
d5b79a89	353	einfo ("%P%F: invalid hex number `%s'\n", valstr);
d4e5e3c3 DM	354	lang_section_start (sect, exp_intop (val));
d4e5e3c3 DM	355	}