19990502 sourceware importbinu_ss_19990502

1 files changed, 1140 insertions, 0 deletions

diff --git a/ld/lexsup.c b/ld/lexsup.c
new file mode 100644
index 0000000..7ee5087
--- /dev/null
+++ b/ld/lexsup.c
@@ -0,0 +1,1140 @@
+/* Parse options for the GNU linker.
+   Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+   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 "libiberty.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"
+
+#ifndef PATH_SEPARATOR
+#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
+#define PATH_SEPARATOR ';'
+#else
+#define PATH_SEPARATOR ':'
+#endif
+#endif
+
+/* 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));
+static void help PARAMS ((void));
+
+/* Non-zero if we are processing a --defsym from the command line.  */
+int parsing_defsym = 0;
+
+/* Codes used for the long options with no short synonyms.  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_CREF			(OPTION_CALL_SHARED + 1)
+#define OPTION_DEFSYM			(OPTION_CREF + 1)
+#define OPTION_DEMANGLE			(OPTION_DEFSYM + 1)
+#define OPTION_DYNAMIC_LINKER		(OPTION_DEMANGLE + 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_DEMANGLE		(OPTION_MAP + 1)
+#define OPTION_NO_KEEP_MEMORY		(OPTION_NO_DEMANGLE + 1)
+#define OPTION_NO_WARN_MISMATCH		(OPTION_NO_KEEP_MEMORY + 1)
+#define OPTION_NOINHIBIT_EXEC		(OPTION_NO_WARN_MISMATCH + 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_TASK_LINK		(OPTION_SYMBOLIC + 1)
+#define OPTION_TBSS			(OPTION_TASK_LINK + 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_VERSION_SCRIPT		(OPTION_VERSION + 1)
+#define OPTION_VERSION_EXPORTS_SECTION	(OPTION_VERSION_SCRIPT + 1)
+#define OPTION_WARN_COMMON		(OPTION_VERSION_EXPORTS_SECTION + 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_WARN_SECTION_ALIGN	(OPTION_WARN_ONCE + 1)
+#define OPTION_SPLIT_BY_RELOC		(OPTION_WARN_SECTION_ALIGN + 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)
+#define OPTION_FORCE_EXE_SUFFIX		(OPTION_WRAP + 1)
+#define OPTION_GC_SECTIONS		(OPTION_FORCE_EXE_SUFFIX + 1)
+#define OPTION_NO_GC_SECTIONS		(OPTION_GC_SECTIONS + 1)
+#define OPTION_CHECK_SECTIONS		(OPTION_NO_GC_SECTIONS + 1)
+#define OPTION_NO_CHECK_SECTIONS	(OPTION_CHECK_SECTIONS + 1)
+#define OPTION_MPC860C0                 (OPTION_NO_CHECK_SECTIONS + 1)
+#define OPTION_NO_UNDEFINED		(OPTION_MPC860C0 + 1)
+
+/* The long options.  This structure is used for both the option
+   parsing and the help text.  */
+
+struct ld_option
+{
+  /* The long option information.  */
+  struct option opt;
+  /* The short option with the same meaning ('\0' if none).  */
+  char shortopt;
+  /* The name of the argument (NULL if none).  */
+  const char *arg;
+  /* The documentation string.  If this is NULL, this is a synonym for
+     the previous option.  */
+  const char *doc;
+  enum
+    {
+      /* Use one dash before long option name.  */
+      ONE_DASH,
+      /* Use two dashes before long option name.  */
+      TWO_DASHES,
+      /* Don't mention this option in --help output.  */
+      NO_HELP
+    } control;
+};
+
+static const struct ld_option ld_options[] =
+{
+  { {NULL, required_argument, NULL, '\0'},
+      'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
+      ONE_DASH },
+  { {"architecture", required_argument, NULL, 'A'},
+      'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
+  { {"format", required_argument, NULL, 'b'},
+      'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES },
+  { {"mri-script", required_argument, NULL, 'c'},
+      'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
+  { {"dc", no_argument, NULL, 'd'},
+      'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
+  { {"dp", no_argument, NULL, 'd'},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"entry", required_argument, NULL, 'e'},
+      'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
+  { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
+      'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
+  { {"EB", no_argument, NULL, OPTION_EB},
+      '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
+  { {"EL", no_argument, NULL, OPTION_EL},
+      '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
+  { {"auxiliary", required_argument, NULL, 'f'},
+      'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
+      TWO_DASHES },
+  { {"filter", required_argument, NULL, 'F'},
+      'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES },
+  { {NULL, no_argument, NULL, '\0'},
+      'g', NULL, N_("Ignored"), ONE_DASH },
+  { {"gpsize", required_argument, NULL, 'G'},
+      'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
+      TWO_DASHES },
+  { {"soname", required_argument, NULL, OPTION_SONAME},
+      'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
+  { {"library", required_argument, NULL, 'l'},
+      'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
+  { {"library-path", required_argument, NULL, 'L'},
+      'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES },
+  { {NULL, required_argument, NULL, '\0'},
+      'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
+  { {"print-map", no_argument, NULL, 'M'},
+      'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
+  { {"nmagic", no_argument, NULL, 'n'},
+      'n', NULL, N_("Do not page align data"), TWO_DASHES },
+  { {"omagic", no_argument, NULL, 'N'},
+      'N', NULL, N_("Do not page align data, do not make text readonly"),
+      TWO_DASHES },
+  { {"output", required_argument, NULL, 'o'},
+      'o', N_("FILE"), N_("Set output file name"), TWO_DASHES },
+  { {NULL, required_argument, NULL, '\0'},
+      'O', NULL, N_("Optimize output file"), ONE_DASH },
+  { {"Qy", no_argument, NULL, OPTION_IGNORE},
+      '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
+  { {"relocateable", no_argument, NULL, 'r'},
+      'r', NULL, N_("Generate relocateable output"), TWO_DASHES },
+  { {NULL, no_argument, NULL, '\0'},
+      'i', NULL, NULL, ONE_DASH },
+  { {"just-symbols", required_argument, NULL, 'R'},
+      'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
+      TWO_DASHES },
+  { {"strip-all", no_argument, NULL, 's'},
+      's', NULL, N_("Strip all symbols"), TWO_DASHES },
+  { {"strip-debug", no_argument, NULL, 'S'},
+      'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
+  { {"trace", no_argument, NULL, 't'},
+      't', NULL, N_("Trace file opens"), TWO_DASHES },
+  { {"script", required_argument, NULL, 'T'},
+      'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
+  { {"undefined", required_argument, NULL, 'u'},
+      'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
+  { {"Ur", no_argument, NULL, OPTION_UR},
+      '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
+  { {"version", no_argument, NULL, OPTION_VERSION},
+      'v', NULL, N_("Print version information"), TWO_DASHES },
+  { {NULL, no_argument, NULL, '\0'},
+      'V', NULL, N_("Print version and emulation information"), ONE_DASH },
+  { {"discard-all", no_argument, NULL, 'x'},
+      'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
+  { {"discard-locals", no_argument, NULL, 'X'},
+      'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES },
+  { {"trace-symbol", required_argument, NULL, 'y'},
+      'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
+  { {NULL, required_argument, NULL, '\0'},
+      'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
+  { {NULL, required_argument, NULL, '\0'},
+      'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH },
+  { {"start-group", no_argument, NULL, '('},
+      '(', NULL, N_("Start a group"), TWO_DASHES },
+  { {"end-group", no_argument, NULL, ')'},
+      ')', NULL, N_("End a group"), TWO_DASHES },
+  { {"assert", required_argument, NULL, OPTION_ASSERT},
+      '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
+  { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
+      '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
+  { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
+      '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
+  { {"dn", no_argument, NULL, OPTION_NON_SHARED},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"static", no_argument, NULL, OPTION_NON_SHARED},
+      '\0', NULL, NULL, ONE_DASH },
+  { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
+      '\0', NULL, N_("Bind global references locally"), ONE_DASH },
+  { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
+      '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES },
+  { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
+      '\0', NULL, N_("Do not check section addresses for overlaps"),
+      TWO_DASHES },
+  { {"cref", no_argument, NULL, OPTION_CREF},
+      '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
+  { {"defsym", required_argument, NULL, OPTION_DEFSYM},
+      '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
+  { {"demangle", no_argument, NULL, OPTION_DEMANGLE},
+      '\0', NULL, N_("Demangle symbol names"), TWO_DASHES },
+  { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
+      '\0', N_("PROGRAM"), N_("Set the dynamic linker to use"), TWO_DASHES },
+  { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
+      '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+  { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
+      '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
+  { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
+      '\0', NULL, N_("Remove unused sections (on some targets)"),
+      TWO_DASHES },
+  { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
+      '\0', NULL, N_("Don't remove unused sections (default)"),
+      TWO_DASHES },
+  { {"help", no_argument, NULL, OPTION_HELP},
+      '\0', NULL, N_("Print option help"), TWO_DASHES },
+  { {"Map", required_argument, NULL, OPTION_MAP},
+      '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
+  { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
+      '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
+  { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
+      '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
+  { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
+     '\0', NULL, N_("Allow no undefined symbols"), TWO_DASHES },
+  { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
+      '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
+  { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
+      '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
+  { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+      '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES },
+  { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+      '\0', NULL, NULL, NO_HELP },
+  { {"oformat", required_argument, NULL, OPTION_OFORMAT},
+      '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES },
+  { {"qmagic", no_argument, NULL, OPTION_IGNORE},
+      '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
+  { {"relax", no_argument, NULL, OPTION_RELAX},
+      '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
+  { {"retain-symbols-file", required_argument, NULL,
+       OPTION_RETAIN_SYMBOLS_FILE},
+      '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
+  { {"rpath", required_argument, NULL, OPTION_RPATH},
+      '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
+  { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
+      '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH },
+  { {"shared", no_argument, NULL, OPTION_SHARED},
+      '\0', NULL, N_("Create a shared library"), ONE_DASH },
+  { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD.  */
+      '\0', NULL, NULL, ONE_DASH },
+  { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
+      '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
+  { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
+      '\0', NULL, NULL, NO_HELP },
+  { {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
+      '\0', NULL, N_("Split output sections for each file"), TWO_DASHES },
+  { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
+      '\0', N_("COUNT"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
+  { {"stats", no_argument, NULL, OPTION_STATS},
+      '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
+  { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
+      '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
+  { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
+      '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
+  { {"Tbss", required_argument, NULL, OPTION_TBSS},
+      '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
+  { {"Tdata", required_argument, NULL, OPTION_TDATA},
+      '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
+  { {"Ttext", required_argument, NULL, OPTION_TTEXT},
+      '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
+  { {"verbose", no_argument, NULL, OPTION_VERBOSE},
+      '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
+  { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux.  */
+      '\0', NULL, NULL, NO_HELP },
+  { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
+      '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
+  { {"version-exports-section", required_argument, NULL,
+     OPTION_VERSION_EXPORTS_SECTION },
+    '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using SYMBOL as the version."),
+    TWO_DASHES },
+  { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
+      '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
+  { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
+      '\0', NULL, N_("Warn if global constructors/destructors are seen"),
+      TWO_DASHES },
+  { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
+      '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
+  { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
+      '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
+  { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
+      '\0', NULL, N_("Warn if start of section changes due to alignment"),
+      TWO_DASHES },
+  { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
+      '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
+  { {"wrap", required_argument, NULL, OPTION_WRAP},
+      '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
+  { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0},
+      '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10, default 5) words of a page"), TWO_DASHES }
+};
+
+#define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0]))
+
+/* Test "string" for containing a string of digits that form a number
+between "min" and "max".  The return value is the number or "err". */
+static
+int is_num( char *string, int min, int max, int err)
+{
+  int result = 0;
+
+  for ( ; *string; ++string)
+  {
+    if (!isdigit(*string))
+    {
+      result = err;
+      break;
+    }
+    result = result * 10 + (*string - '0');
+  }
+  if (result < min || result > max)
+    result = err;
+
+  return result;
+}
+
+void
+parse_args (argc, argv)
+     int argc;
+     char **argv;
+{
+  int i, is, il;
+  int ingroup = 0;
+  char *default_dirlist = NULL;
+  char shortopts[OPTION_COUNT * 3 + 2];
+  struct option longopts[OPTION_COUNT + 1];
+  int last_optind;
+
+  /* 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.  */
+  shortopts[0] = '-';
+  is = 1;
+  il = 0;
+  for (i = 0; i < OPTION_COUNT; i++)
+    {
+      if (ld_options[i].shortopt != '\0')
+	{
+	  shortopts[is] = ld_options[i].shortopt;
+	  ++is;
+	  if (ld_options[i].opt.has_arg == required_argument
+	      || ld_options[i].opt.has_arg == optional_argument)
+	    {
+	      shortopts[is] = ':';
+	      ++is;
+	      if (ld_options[i].opt.has_arg == optional_argument)
+		{
+		  shortopts[is] = ':';
+		  ++is;
+		}
+	    }
+	}
+      if (ld_options[i].opt.name != NULL)
+	{
+	  longopts[il] = ld_options[i].opt;
+	  ++il;
+	}
+    }
+  shortopts[is] = '\0';
+  longopts[il].name = NULL;
+
+  /* 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 ((unsigned char) argv[i + 1][0])))
+      argv[i] = (char *) "--shared";
+
+  /* Because we permit long options to start with a single dash, and
+     we have a --library option, and the -l option is conventionally
+     used with an immediately following argument, we can have bad
+     results if somebody tries to use -l with a library whose name
+     happens to start with "ibrary", as in -li.  We avoid problems by
+     simply turning -l into --library.  This means that users will
+     have to use two dashes in order to use --library, which is OK
+     since that's how it is documented.
+
+     FIXME: It's possible that this problem can arise for other short
+     options as well, although the user does always have the recourse
+     of adding a space between the option and the argument.  */
+  for (i = 1; i < argc; i++)
+    {
+      if (argv[i][0] == '-'
+	  && argv[i][1] == 'l'
+	  && argv[i][2] != '\0')
+	{
+	  char *n;
+
+	  n = (char *) xmalloc (strlen (argv[i]) + 20);
+	  sprintf (n, "--library=%s", argv[i] + 2);
+	  argv[i] = n;
+	}
+    }
+
+  last_optind = -1;
+  while (1)
+    {
+      int longind;
+      int optc;
+
+      /* Using last_optind lets us avoid calling ldemul_parse_args
+	 multiple times on a single option, which would lead to
+	 confusion in the internal static variables maintained by
+	 getopt.  This could otherwise happen for an argument like
+	 -nx, in which the -n is parsed as a single option, and we
+	 loop around to pick up the -x.  */
+      if (optind != last_optind)
+	{
+	  if (ldemul_parse_args (argc, argv))
+	    continue;
+	  last_optind = optind;
+	}
+
+      /* getopt_long_only is like getopt_long, but '-' as well as '--'
+	 can indicate a long option.  */
+      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 OPTION_CREF:
+	  command_line.cref = true;
+	  link_info.notice_all = true;
+	  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_DEMANGLE:
+	  demangling = true;
+	  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:
+	case 'E': /* HP/UX compatibility.  */
+	  command_line.export_dynamic = true;
+	  break;
+	case 'e':
+	  lang_add_entry (optarg, true);
+	  break;
+	case 'f':
+	  if (command_line.auxiliary_filters == NULL)
+	    {
+	      command_line.auxiliary_filters =
+		(char **) xmalloc (2 * sizeof (char *));
+	      command_line.auxiliary_filters[0] = optarg;
+	      command_line.auxiliary_filters[1] = NULL;
+	    }
+	  else
+	    {
+	      int c;
+	      char **p;
+
+	      c = 0;
+	      for (p = command_line.auxiliary_filters; *p != NULL; p++)
+		++c;
+	      command_line.auxiliary_filters =
+		(char **) xrealloc (command_line.auxiliary_filters,
+				    (c + 2) * sizeof (char *));
+	      command_line.auxiliary_filters[c] = optarg;
+	      command_line.auxiliary_filters[c + 1] = NULL;
+	    }
+	  break;
+	case 'F':
+	  command_line.filter_shlib = optarg;
+	  break;
+	case OPTION_FORCE_EXE_SUFFIX:
+	  command_line.force_exe_suffix = true;
+	  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_GC_SECTIONS:
+	  command_line.gc_sections = true;
+	  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_DEMANGLE:
+	  demangling = false;
+	  break;
+	case OPTION_NO_GC_SECTIONS:
+	  command_line.gc_sections = false;
+	  break;
+	case OPTION_NO_KEEP_MEMORY:
+	  link_info.keep_memory = false;
+	  break;
+	case OPTION_NO_UNDEFINED:
+	  link_info.no_undefined = true;
+	  break;
+	case OPTION_NO_WARN_MISMATCH:
+	  command_line.warn_mismatch = 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.  */
+
+	  /* Enable optimizations of output files.  */
+	  link_info.optimize = strtoul (optarg, NULL, 0) ? true : false;
+	  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
+	    {
+	      size_t rpath_len = strlen (command_line.rpath);
+	      size_t optarg_len = strlen (optarg);
+	      char *buf;
+	      char *cp = command_line.rpath;
+
+	      /* First see whether OPTARG is already in the path.  */
+	      do
+		{
+		  size_t idx = 0;
+		  while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
+		    ++idx;
+		  if (optarg[idx] == '\0'
+		      && (cp[idx] == '\0' || cp[idx] == ':'))
+		    /* We found it.  */
+		    break;
+
+		  /* Not yet found.  */
+		  cp = strchr (cp, ':');
+		  if (cp != NULL)
+		    ++cp;
+		}
+	      while (cp != NULL);
+
+	      if (cp == NULL)
+		{
+		  buf = xmalloc (rpath_len + optarg_len + 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:
+	  if (config.has_shared)
+	    link_info.shared = true;
+	  else
+	    einfo (_("%P%F: -shared not supported\n"));
+	  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:
+	  link_info.traditional_format = true;
+	  break;
+	case OPTION_TASK_LINK:
+	  link_info.task_link = true;
+	  /* Fall through - do an implied -r option.  */
+	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:
+	  /* This output is intended to follow the GNU standards document.  */
+	  printf ("GNU ld %s\n", ld_program_version);
+	  printf (_("Copyright 1997 Free Software Foundation, Inc.\n"));
+	  printf (_("\
+This program is free software; you may redistribute it under the terms of\n\
+the GNU General Public License.  This program has absolutely no warranty.\n"));
+	  {
+	    ld_emulation_xfer_type **ptr = ld_emulations;
+    
+	    printf (_("  Supported emulations:\n"));
+	    while (*ptr) 
+	      {
+		printf ("   %s\n", (*ptr)->emulation_name);
+		ptr++;
+	      }
+	  }
+	  xexit (0);
+	  break;
+	case OPTION_VERSION_SCRIPT:
+	  /* This option indicates a small script that only specifies
+             version information.  Read it, but don't assume that
+             we've seen a linker script.  */
+	  {
+	    boolean hold_had_script;
+
+	    hold_had_script = had_script;
+	    ldfile_open_command_file (optarg);
+	    had_script = hold_had_script;
+	    parser_input = input_version_script;
+	    yyparse ();
+	  }
+	  break;
+	case OPTION_VERSION_EXPORTS_SECTION:
+	  /* This option records a version symbol to be applied to the
+	     symbols listed for export to be found in the object files
+	     .exports sections.  */
+	  command_line.version_exports_section = optarg;
+	  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_WARN_SECTION_ALIGN:
+	  config.warn_section_align = true;
+	  break;
+	case OPTION_WHOLE_ARCHIVE:
+	  whole_archive = true;
+	  break;
+	case OPTION_WRAP:
+	  add_wrap (optarg);
+	  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 = xstrdup (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 OPTION_CHECK_SECTIONS:
+	  command_line.check_section_addresses = true;
+	  break;
+	case OPTION_NO_CHECK_SECTIONS:
+	  command_line.check_section_addresses = false;
+	  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;
+      case OPTION_MPC860C0:
+          link_info.mpc860c0 = 20;      /* default value (in bytes) */
+          if (optarg)
+            {
+              unsigned words;
+
+              words = is_num (optarg, 1, 10, 0);
+              if (words == 0)
+                {
+                  fprintf (stderr, _("Invalid argument to option \"mpc860c0\"\n"));
+                  xexit (1);
+                }
+              link_info.mpc860c0 = words * 4;   /* convert words to bytes */
+            }
+          command_line.relax = true;
+          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, PATH_SEPARATOR);
+      if (p != NULL)
+	*p = '\0';
+      if (*dirlist_ptr != '\0')
+	ldfile_add_library_path (dirlist_ptr, true);
+      if (p == NULL)
+	break;
+      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));
+}
+
+/* Print help messages for the options.  */
+
+static void
+help ()
+{
+  int i;
+  const char **targets, **pp;
+
+  printf (_("Usage: %s [options] file...\n"), program_name);
+
+  printf (_("Options:\n"));
+  for (i = 0; i < OPTION_COUNT; i++)
+    {
+      if (ld_options[i].doc != NULL)
+	{
+	  boolean comma;
+	  int len;
+	  int j;
+
+	  printf ("  ");
+
+	  comma = false;
+	  len = 2;
+
+	  j = i;
+	  do
+	    {
+	      if (ld_options[j].shortopt != '\0'
+		  && ld_options[j].control != NO_HELP)
+		{
+		  printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
+		  len += (comma ? 2 : 0) + 2;
+		  if (ld_options[j].arg != NULL)
+		    {
+		      if (ld_options[j].opt.has_arg != optional_argument)
+			{
+			  printf (" ");
+			  ++len;
+			}
+		      printf ("%s", _(ld_options[j].arg));
+		      len += strlen (_(ld_options[j].arg));
+		    }
+		  comma = true;
+		}
+	      ++j;
+	    }
+	  while (j < OPTION_COUNT && ld_options[j].doc == NULL);
+
+	  j = i;
+	  do
+	    {
+	      if (ld_options[j].opt.name != NULL
+		  && ld_options[j].control != NO_HELP)
+		{
+		  printf ("%s-%s%s",
+			  comma ? ", " : "",
+			  ld_options[j].control == TWO_DASHES ? "-" : "",
+			  ld_options[j].opt.name);
+		  len += ((comma ? 2 : 0)
+			  + 1
+			  + (ld_options[j].control == TWO_DASHES ? 1 : 0)
+			  + strlen (ld_options[j].opt.name));
+		  if (ld_options[j].arg != NULL)
+		    {
+		      printf (" %s", _(ld_options[j].arg));
+		      len += 1 + strlen (_(ld_options[j].arg));
+		    }
+		  comma = true;
+		}
+	      ++j;
+	    }
+	  while (j < OPTION_COUNT && ld_options[j].doc == NULL);
+
+	  if (len >= 30)
+	    {
+	      printf ("\n");
+	      len = 0;
+	    }
+
+	  for (; len < 30; len++)
+	    putchar (' ');
+
+	  printf ("%s\n", _(ld_options[i].doc));
+	}
+    }
+
+  /* xgettext:c-format */
+  printf (_("%s: supported targets:"), program_name);
+  targets = bfd_target_list ();
+  for (pp = targets; *pp != NULL; pp++)
+    printf (" %s", *pp);
+  free (targets);
+  printf ("\n");
+
+  /* xgettext:c-format */
+  printf (_("%s: supported emulations: "), program_name);
+  ldemul_list_emulations (stdout);
+  printf ("\n");
+
+  /* xgettext:c-format */
+  printf (_("%s: emulation specific options:\n"), program_name);
+  ldemul_list_emulation_options (stdout);
+  printf ("\n");
+  
+  printf (_("\nReport bugs to bug-gnu-utils@gnu.org\n"));
+}