[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"

/* 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));

void
parse_args (argc, argv)
     int argc;
     char **argv;
{
  int ingroup = 0;

  /* 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.  */

#define OPTION_CALL_SHARED		150
#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_HELP			(OPTION_EL + 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_OFORMAT			(OPTION_NON_SHARED + 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_SHARED			(OPTION_RPATH + 1)
#define OPTION_SONAME			(OPTION_SHARED + 1)
#define OPTION_SORT_COMMON		(OPTION_SONAME + 1)
#define OPTION_STATS			(OPTION_SORT_COMMON + 1)
#define OPTION_TBSS			(OPTION_STATS + 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_VERSION			(OPTION_UR + 1)
#define OPTION_WARN_COMMON		(OPTION_VERSION + 1)
#define OPTION_WARN_ONCE		(OPTION_WARN_COMMON + 1)

  static struct option longopts[] = {
    {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
    {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
    {"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},
    {"end-group", no_argument, NULL, ')'},
    {"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},
    {"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},
    {"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},
    {"version", no_argument, NULL, OPTION_VERSION},
    {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
    {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
    {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':
	  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_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 '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, 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;
	  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, (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_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 OPTION_SONAME:
	  command_line.soname = optarg;
	  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_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 '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 OPTION_WARN_ONCE:
	  config.warn_once = 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;
	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 ();
}

/* 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));
}
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	36
809ee7e0 ILT	37	/* Somewhere above, sys/stat.h got included . . . . */
	38	#if !defined(S_ISDIR) && defined(S_IFDIR)
	39	#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
	40	#endif
	41
d4e5e3c3 DM	42	/* Omit args to avoid the possibility of clashing with a system header
	43	that might disagree about consts. */
	44	unsigned long strtoul ();
	45
	46	static void set_default_dirlist PARAMS ((char *dirlist_ptr));
	47	static void set_section_start PARAMS ((char sect, char valstr));
	48
	49	void
	50	parse_args (argc, argv)
	51	int argc;
	52	char **argv;
	53	{
db770dfa ILT	54	int ingroup = 0;
db770dfa ILT	55
d4e5e3c3 DM	56	/* Starting the short option string with '-' is for programs that
	57	expect options and other ARGV-elements in any order and that care about
	58	the ordering of the two. We describe each non-option ARGV-element
	59	as if it were the argument of an option with character code 1. */
	60
db770dfa ILT	61	const char *shortopts =
db770dfa ILT	62	"-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:()";
d4e5e3c3	63
d5b79a89 DM	64	/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
d5b79a89 DM	65
bec7a138 ILT	66	#define OPTION_CALL_SHARED 150
bec7a138 ILT	67	#define OPTION_DEFSYM (OPTION_CALL_SHARED + 1)
7fb9ca5f ILT	68	#define OPTION_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
7fb9ca5f ILT	69	#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
bec7a138 ILT	70	#define OPTION_EL (OPTION_EB + 1)
	71	#define OPTION_HELP (OPTION_EL + 1)
	72	#define OPTION_IGNORE (OPTION_HELP + 1)
	73	#define OPTION_MAP (OPTION_IGNORE + 1)
	74	#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
	75	#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
	76	#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
	77	#define OPTION_OFORMAT (OPTION_NON_SHARED + 1)
	78	#define OPTION_RELAX (OPTION_OFORMAT + 1)
	79	#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
809ee7e0 ILT	80	#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
	81	#define OPTION_SHARED (OPTION_RPATH + 1)
	82	#define OPTION_SONAME (OPTION_SHARED + 1)
	83	#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
bec7a138 ILT	84	#define OPTION_STATS (OPTION_SORT_COMMON + 1)
	85	#define OPTION_TBSS (OPTION_STATS + 1)
	86	#define OPTION_TDATA (OPTION_TBSS + 1)
	87	#define OPTION_TTEXT (OPTION_TDATA + 1)
	88	#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
	89	#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
	90	#define OPTION_VERSION (OPTION_UR + 1)
	91	#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
809ee7e0	92	#define OPTION_WARN_ONCE (OPTION_WARN_COMMON + 1)
bec7a138	93
d5b79a89	94	static struct option longopts[] = {
db770dfa ILT	95	{"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
db770dfa ILT	96	{"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
d5b79a89	97	{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
d4e5e3c3	98	{"dc", no_argument, NULL, 'd'},
d5b79a89	99	{"defsym", required_argument, NULL, OPTION_DEFSYM},
809ee7e0	100	{"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
2a9fa50c	101	{"dn", no_argument, NULL, OPTION_NON_SHARED},
d4e5e3c3	102	{"dp", no_argument, NULL, 'd'},
2a9fa50c	103	{"dy", no_argument, NULL, OPTION_CALL_SHARED},
7fb9ca5f	104	{"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
d5b79a89	105	{"EB", no_argument, NULL, OPTION_EB},
d5b79a89	106	{"EL", no_argument, NULL, OPTION_EL},
db770dfa	107	{"end-group", no_argument, NULL, ')'},
d4e5e3c3	108	{"format", required_argument, NULL, 'b'},
d5b79a89	109	{"help", no_argument, NULL, OPTION_HELP},
d5b79a89	110	{"Map", required_argument, NULL, OPTION_MAP},
d5b79a89	111	{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
d5b79a89 DM	112	{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
d5b79a89 DM	113	{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
2a9fa50c	114	{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
d5b79a89	115	{"oformat", required_argument, NULL, OPTION_OFORMAT},
2a9fa50c	116	{"Qy", no_argument, NULL, OPTION_IGNORE},
cbbf9608	117	{"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
d5b79a89	118	{"relax", no_argument, NULL, OPTION_RELAX},
db770dfa	119	{"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
809ee7e0	120	{"rpath", required_argument, NULL, OPTION_RPATH},
db770dfa	121	{"shared", no_argument, NULL, OPTION_SHARED},
809ee7e0	122	{"soname", required_argument, NULL, OPTION_SONAME},
d5b79a89 DM	123	{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
d5b79a89 DM	124	{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
db770dfa	125	{"start-group", no_argument, NULL, '('},
d5b79a89	126	{"stats", no_argument, NULL, OPTION_STATS},
42792411	127	{"static", no_argument, NULL, OPTION_NON_SHARED},
d5b79a89	128	{"Tbss", required_argument, NULL, OPTION_TBSS},
d5b79a89	129	{"Tdata", required_argument, NULL, OPTION_TDATA},
d5b79a89	130	{"Ttext", required_argument, NULL, OPTION_TTEXT},
c96386c4	131	{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
d5b79a89	132	{"Ur", no_argument, NULL, OPTION_UR},
d5b79a89	133	{"version", no_argument, NULL, OPTION_VERSION},
d5b79a89	134	{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
809ee7e0	135	{"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
d4e5e3c3 DM	136	{NULL, no_argument, NULL, 0}
	137	};
	138
	139	while (1)
	140	{
	141	/* getopt_long_only is like getopt_long, but '-' as well as '--' can
	142	indicate a long option. */
d5b79a89 DM	143	int longind;
	144	int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
	145
d4e5e3c3 DM	146	if (optc == -1)
	147	break;
	148
	149	switch (optc)
	150	{
	151	default:
	152	xexit (1);
	153	case 1: /* File name. */
	154	lang_add_input_file (optarg, lang_input_file_is_file_enum,
	155	(char *) NULL);
	156	break;
	157
2a9fa50c ILT	158	case OPTION_IGNORE:
2a9fa50c ILT	159	break;
d4e5e3c3 DM	160	case 'A':
	161	ldfile_add_arch (optarg);
	162	break;
d4e5e3c3 DM	163	case 'b':
	164	lang_add_target (optarg);
	165	break;
	166	case 'c':
	167	ldfile_open_command_file (optarg);
	168	parser_input = input_mri_script;
	169	yyparse ();
	170	break;
d5b79a89	171	case OPTION_CALL_SHARED:
2a9fa50c ILT	172	config.dynamic_link = true;
	173	break;
	174	case OPTION_NON_SHARED:
	175	config.dynamic_link = false;
d4e5e3c3 DM	176	break;
	177	case 'd':
	178	command_line.force_common_definition = true;
	179	break;
d5b79a89	180	case OPTION_DEFSYM:
d4e5e3c3 DM	181	lex_redirect (optarg);
	182	parser_input = input_defsym;
	183	yyparse ();
	184	break;
7fb9ca5f ILT	185	case OPTION_DYNAMIC_LINKER:
	186	command_line.interpreter = optarg;
	187	break;
d5b79a89	188	case OPTION_EB:
86037281	189	command_line.endian = ENDIAN_BIG;
d4e5e3c3	190	break;
d5b79a89	191	case OPTION_EL:
86037281	192	command_line.endian = ENDIAN_LITTLE;
d4e5e3c3 DM	193	break;
d4e5e3c3 DM	194	case 'e':
60e8a534	195	lang_add_entry (optarg, 1);
d4e5e3c3 DM	196	break;
	197	case 'F':
	198	/* Ignore. */
	199	break;
	200	case 'G':
	201	{
	202	char *end;
	203	g_switch_value = strtoul (optarg, &end, 0);
	204	if (*end)
9d3898b2	205	einfo ("%P%F: invalid number `%s'\n", optarg);
d4e5e3c3 DM	206	}
	207	break;
	208	case 'g':
	209	/* Ignore. */
	210	break;
d5b79a89	211	case OPTION_HELP:
d4e5e3c3 DM	212	help ();
	213	xexit (0);
	214	break;
	215	case 'L':
0cd82d00	216	ldfile_add_library_path (optarg, true);
d4e5e3c3 DM	217	break;
	218	case 'l':
	219	lang_add_input_file (optarg, lang_input_file_is_l_enum,
	220	(char *) NULL);
	221	break;
	222	case 'M':
	223	config.map_filename = "-";
	224	break;
	225	case 'm':
	226	/* Ignore. Was handled in a pre-parse. */
	227	break;
d5b79a89	228	case OPTION_MAP:
d4e5e3c3 DM	229	config.map_filename = optarg;
	230	break;
	231	case 'N':
	232	config.text_read_only = false;
	233	config.magic_demand_paged = false;
	234	break;
	235	case 'n':
	236	config.magic_demand_paged = false;
	237	break;
d5b79a89	238	case OPTION_NO_KEEP_MEMORY:
d4e5e3c3 DM	239	link_info.keep_memory = false;
d4e5e3c3 DM	240	break;
d5b79a89	241	case OPTION_NOINHIBIT_EXEC:
d4e5e3c3 DM	242	force_make_executable = true;
	243	break;
	244	case 'O':
	245	/* FIXME "-O<non-digits> <value>" used to set the address of
	246	section <non-digits>. Was this for compatibility with
	247	something, or can we create a new option to do that
	248	(with a syntax similar to -defsym)?
	249	getopt can't handle two args to an option without kludges. */
	250	set_default_dirlist (optarg);
	251	break;
	252	case 'o':
	253	lang_add_output (optarg, 0);
	254	break;
d5b79a89	255	case OPTION_OFORMAT:
86037281	256	lang_add_output_format (optarg, (char ) NULL, (char ) NULL, 0);
d4e5e3c3	257	break;
3e1fd33d	258	case 'i':
d4e5e3c3 DM	259	case 'r':
	260	link_info.relocateable = true;
	261	config.build_constructors = false;
	262	config.magic_demand_paged = false;
	263	config.text_read_only = false;
2a9fa50c	264	config.dynamic_link = false;
d4e5e3c3 DM	265	break;
d4e5e3c3 DM	266	case 'R':
809ee7e0 ILT	267	/* The GNU linker traditionally uses -R to mean to include
	268	only the symbols from a file. The Solaris linker uses -R
	269	to set the path used by the runtime linker to find
	270	libraries. This is the GNU linker -rpath argument. We
	271	try to support both simultaneously by checking the file
	272	named. If it is a directory, rather than a regular file,
	273	we assume -rpath was meant. */
	274	{
	275	struct stat s;
	276
	277	if (stat (optarg, &s) >= 0
	278	&& ! S_ISDIR (s.st_mode))
	279	{
	280	lang_add_input_file (optarg,
	281	lang_input_file_is_symbols_only_enum,
	282	(char *) NULL);
	283	break;
	284	}
	285	}
	286	/* Fall through. */
	287	case OPTION_RPATH:
	288	if (command_line.rpath == NULL)
	289	command_line.rpath = buystring (optarg);
	290	else
	291	{
	292	char *buf;
	293
	294	buf = xmalloc (strlen (command_line.rpath)
	295	+ strlen (optarg)
	296	+ 2);
	297	sprintf (buf, "%s:%s", command_line.rpath, optarg);
	298	free (command_line.rpath);
	299	command_line.rpath = buf;
	300	}
d4e5e3c3	301	break;
d5b79a89	302	case OPTION_RELAX:
d4e5e3c3 DM	303	command_line.relax = true;
d4e5e3c3 DM	304	break;
d5b79a89	305	case OPTION_RETAIN_SYMBOLS_FILE:
d4e5e3c3 DM	306	add_keepsyms_file (optarg);
	307	break;
	308	case 'S':
	309	link_info.strip = strip_debugger;
	310	break;
	311	case 's':
	312	link_info.strip = strip_all;
	313	break;
db770dfa ILT	314	case OPTION_SHARED:
	315	link_info.shared = true;
	316	break;
809ee7e0 ILT	317	case OPTION_SONAME:
	318	command_line.soname = optarg;
	319	break;
d5b79a89	320	case OPTION_SORT_COMMON:
d4e5e3c3 DM	321	config.sort_common = true;
d4e5e3c3 DM	322	break;
d5b79a89	323	case OPTION_STATS:
d4e5e3c3 DM	324	config.stats = true;
	325	break;
	326	case 't':
	327	trace_files = true;
	328	break;
	329	case 'T':
	330	ldfile_open_command_file (optarg);
	331	parser_input = input_script;
	332	yyparse ();
	333	break;
d5b79a89	334	case OPTION_TBSS:
d4e5e3c3 DM	335	set_section_start (".bss", optarg);
d4e5e3c3 DM	336	break;
d5b79a89	337	case OPTION_TDATA:
d4e5e3c3 DM	338	set_section_start (".data", optarg);
d4e5e3c3 DM	339	break;
d5b79a89	340	case OPTION_TTEXT:
d4e5e3c3 DM	341	set_section_start (".text", optarg);
d4e5e3c3 DM	342	break;
c96386c4 ILT	343	case OPTION_TRADITIONAL_FORMAT:
	344	config.traditional_format = true;
	345	break;
d5b79a89	346	case OPTION_UR:
d4e5e3c3 DM	347	link_info.relocateable = true;
	348	config.build_constructors = true;
	349	config.magic_demand_paged = false;
	350	config.text_read_only = false;
2a9fa50c	351	config.dynamic_link = false;
d4e5e3c3 DM	352	break;
	353	case 'u':
	354	ldlang_add_undef (optarg);
	355	break;
	356	case 'V':
	357	ldversion (1);
	358	version_printed = true;
	359	trace_file_tries = true;
	360	break;
	361	case 'v':
	362	ldversion (0);
	363	version_printed = true;
	364	break;
d5b79a89	365	case OPTION_VERSION:
d4e5e3c3 DM	366	ldversion (0);
	367	version_printed = true;
	368	break;
d5b79a89	369	case OPTION_WARN_COMMON:
d4e5e3c3 DM	370	config.warn_common = true;
d4e5e3c3 DM	371	break;
809ee7e0 ILT	372	case OPTION_WARN_ONCE:
	373	config.warn_once = true;
	374	break;
d4e5e3c3 DM	375	case 'X':
	376	link_info.discard = discard_l;
	377	break;
	378	case 'x':
	379	link_info.discard = discard_all;
	380	break;
d5b79a89 DM	381	case 'Y':
	382	set_default_dirlist (optarg);
	383	break;
d4e5e3c3 DM	384	case 'y':
	385	add_ysym (optarg);
	386	break;
db770dfa ILT	387	case '(':
	388	if (ingroup)
	389	{
	390	fprintf (stderr,
	391	"%s: may not nest groups (--help for usage)\n",
	392	program_name);
	393	xexit (1);
	394	}
	395	lang_enter_group ();
	396	ingroup = 1;
	397	break;
	398	case ')':
	399	if (! ingroup)
	400	{
	401	fprintf (stderr,
	402	"%s: group ended before it began (--help for usage)\n",
	403	program_name);
	404	xexit (1);
	405	}
	406	lang_leave_group ();
	407	ingroup = 0;
	408	break;
d4e5e3c3 DM	409	}
d4e5e3c3 DM	410	}
db770dfa ILT	411
	412	if (ingroup)
	413	lang_leave_group ();
d4e5e3c3 DM	414	}
	415
	416	/* Add the (colon-separated) elements of DIRLIST_PTR to the
	417	library search path. */
	418
	419	static void
	420	set_default_dirlist (dirlist_ptr)
	421	char *dirlist_ptr;
	422	{
	423	char *p;
	424
	425	while (1)
	426	{
	427	p = strchr (dirlist_ptr, ':');
	428	if (p != NULL)
	429	*p = 0;
	430	if (*dirlist_ptr)
0cd82d00	431	ldfile_add_library_path (dirlist_ptr, true);
d4e5e3c3 DM	432	if (p == NULL)
	433	break;
	434	*p = ':';
	435	dirlist_ptr = p + 1;
	436	}
	437	}
	438
	439	static void
	440	set_section_start (sect, valstr)
	441	char sect, valstr;
	442	{
	443	char *end;
	444	unsigned long val = strtoul (valstr, &end, 16);
	445	if (*end)
d5b79a89	446	einfo ("%P%F: invalid hex number `%s'\n", valstr);
d4e5e3c3 DM	447	lang_section_start (sect, exp_intop (val));
d4e5e3c3 DM	448	}