/* Parse options for the GNU linker.
- Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003
Free Software Foundation, Inc.
-This file is part of GLD, the Gnu Linker.
+ 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 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.
+ 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. */
+ 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 "safe-ctype.h"
#include "getopt.h"
#include "bfdlink.h"
#include "ld.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
-#include "ldgram.h"
+#include <ldgram.h>
#include "ldlex.h"
#include "ldfile.h"
#include "ldver.h"
#include "ldemul.h"
+#include "demangle.h"
#ifndef PATH_SEPARATOR
#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
#endif
#endif
-/* Somewhere above, sys/stat.h got included . . . . */
+/* 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));
+static void set_default_dirlist (char *);
+static void set_section_start (char *, char *);
+static void help (void);
/* Non-zero if we are processing a --defsym from the command line. */
int parsing_defsym = 0;
#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_FATAL (OPTION_WARN_CONSTRUCTORS + 1)
+#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_FATAL + 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_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_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_MPC860C0 (OPTION_NO_CHECK_SECTIONS + 1)
#define OPTION_NO_UNDEFINED (OPTION_MPC860C0 + 1)
+#define OPTION_INIT (OPTION_NO_UNDEFINED + 1)
+#define OPTION_FINI (OPTION_INIT + 1)
+#define OPTION_SECTION_START (OPTION_FINI + 1)
+#define OPTION_UNIQUE (OPTION_SECTION_START + 1)
+#define OPTION_TARGET_HELP (OPTION_UNIQUE + 1)
+#define OPTION_ALLOW_SHLIB_UNDEFINED (OPTION_TARGET_HELP + 1)
+#define OPTION_NO_ALLOW_SHLIB_UNDEFINED (OPTION_ALLOW_SHLIB_UNDEFINED + 1)
+#define OPTION_ALLOW_MULTIPLE_DEFINITION (OPTION_NO_ALLOW_SHLIB_UNDEFINED + 1)
+#define OPTION_NO_UNDEFINED_VERSION (OPTION_ALLOW_MULTIPLE_DEFINITION + 1)
+#define OPTION_DISCARD_NONE (OPTION_NO_UNDEFINED_VERSION + 1)
+#define OPTION_SPARE_DYNAMIC_TAGS (OPTION_DISCARD_NONE + 1)
+#define OPTION_NO_DEFINE_COMMON (OPTION_SPARE_DYNAMIC_TAGS + 1)
+#define OPTION_NOSTDLIB (OPTION_NO_DEFINE_COMMON + 1)
+#define OPTION_NO_OMAGIC (OPTION_NOSTDLIB + 1)
+#define OPTION_STRIP_DISCARDED (OPTION_NO_OMAGIC + 1)
+#define OPTION_NO_STRIP_DISCARDED (OPTION_STRIP_DISCARDED + 1)
+#define OPTION_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_NO_STRIP_DISCARDED + 1)
+#define OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_ACCEPT_UNKNOWN_INPUT_ARCH + 1)
+#define OPTION_PIE (OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH + 1)
/* The long options. This structure is used for both the option
parsing and the help text. */
/* 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;
+ enum {
+ /* Use one dash before long option name. */
+ ONE_DASH,
+ /* Use two dashes before long option name. */
+ TWO_DASHES,
+ /* Only accept two dashes before the long option name.
+ This is an overloading of the use of this enum, since originally it
+ was only intended to tell the --help display function how to display
+ the long option name. This feature was added in order to resolve
+ the confusion about the -omagic command line switch. Is it setting
+ the output file name to "magic" or is it setting the NMAGIC flag on
+ the output ? It has been decided that it is setting the output file
+ name, and that if you want to set the NMAGIC flag you should use -N
+ or --omagic. */
+ EXACTLY_TWO_DASHES,
+ /* Don't mention this option in --help output. */
+ NO_HELP
+ } control;
};
static const struct ld_option ld_options[] =
TWO_DASHES },
{ {"soname", required_argument, NULL, OPTION_SONAME},
'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
+ { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
+ 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"), TWO_DASHES },
{ {"library", required_argument, NULL, 'l'},
'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
{ {"library-path", required_argument, NULL, 'L'},
'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 },
+ EXACTLY_TWO_DASHES },
+ { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
+ '\0', NULL, N_("Page align data, make text readonly"), EXACTLY_TWO_DASHES },
{ {"output", required_argument, NULL, 'o'},
- 'o', N_("FILE"), N_("Set output file name"), TWO_DASHES },
+ 'o', N_("FILE"), N_("Set output file name"), EXACTLY_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 },
+ { {"emit-relocs", no_argument, NULL, 'q'},
+ 'q', NULL, "Generate relocations in final output", TWO_DASHES },
+ { {"relocatable", no_argument, NULL, 'r'},
+ 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
'i', NULL, NULL, ONE_DASH },
{ {"just-symbols", required_argument, NULL, 'R'},
's', NULL, N_("Strip all symbols"), TWO_DASHES },
{ {"strip-debug", no_argument, NULL, 'S'},
'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
+ { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
+ '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
+ { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
+ '\0', NULL, N_("Do not strip symbols in discarded sections"), 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 },
+ { {"unique", optional_argument, NULL, OPTION_UNIQUE},
+ '\0', N_("[=SECTION]"), N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
{ {"Ur", no_argument, NULL, OPTION_UR},
'\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
{ {"version", no_argument, NULL, OPTION_VERSION},
{ {"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 },
+ 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
+ { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
+ '\0', NULL, N_("Don't discard any 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 },
+ { {"accept-unknown-input-arch", no_argument, NULL, OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
+ '\0', NULL, N_("Accept input files whose architecture cannot be determined"), TWO_DASHES },
+ { {"no-accept-unknown-input-arch", no_argument, NULL, OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
+ '\0', NULL, N_("Reject input files whose architecture is unknown"), 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_("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 },
+ { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
+ '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"), TWO_DASHES },
{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
'\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ { {"fini", required_argument, NULL, OPTION_FINI},
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
{ {"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},
TWO_DASHES },
{ {"help", no_argument, NULL, OPTION_HELP},
'\0', NULL, N_("Print option help"), TWO_DASHES },
+ { {"init", required_argument, NULL, OPTION_INIT},
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
{ {"Map", required_argument, NULL, OPTION_MAP},
'\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
+ { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
+ '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
{ {"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 },
+ { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
+ '\0', NULL, N_("Allow undefined symbols in shared objects (the default)"), TWO_DASHES },
+ { {"no-allow-shlib-undefined", no_argument, NULL, OPTION_NO_ALLOW_SHLIB_UNDEFINED},
+ '\0', NULL, N_("Do not allow undefined symbols in shared objects"), TWO_DASHES },
+ { {"allow-multiple-definition", no_argument, NULL, OPTION_ALLOW_MULTIPLE_DEFINITION},
+ '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
+ { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
+ '\0', NULL, N_("Disallow undefined version"), 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_("Create an output file even if errors occur"), TWO_DASHES },
{ {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
'\0', NULL, NULL, NO_HELP },
+ { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
+ '\0', NULL, N_("Only use library directories specified on\n\t\t\t\tthe command line"), ONE_DASH },
{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
- '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES },
+ '\0', N_("TARGET"), N_("Specify target of output file"), EXACTLY_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_("Create a shared library"), ONE_DASH },
{ {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
'\0', NULL, NULL, ONE_DASH },
+ { {"pie", no_argument, NULL, OPTION_PIE},
+ '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
+ { {"pic-executable", no_argument, NULL, OPTION_PIE},
+ '\0', NULL, NULL, TWO_DASHES },
{ {"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 },
+ { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
+ '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"), TWO_DASHES },
+ { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
+ '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"), TWO_DASHES },
+ { {"split-by-reloc", optional_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 },
+ { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
+ '\0', NULL, N_("Display target specific options"), 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 },
+ { {"section-start", required_argument, NULL, OPTION_SECTION_START},
+ '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"), 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_("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."),
+ '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."),
TWO_DASHES },
{ {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
'\0', NULL, N_("Warn about duplicate common symbols"), 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 },
+ { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
+ '\0', NULL, N_("Treat warnings as errors"),
+ 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 }
+ '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES }
};
-#define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0]))
+#define OPTION_COUNT ARRAY_SIZE (ld_options)
-/* 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)
+/* 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 (const char *string, int min, int max, int err)
{
int result = 0;
- for ( ; *string; ++string)
- {
- if (!isdigit(*string))
+ for (; *string; ++string)
{
- result = err;
- break;
+ if (! ISDIGIT (*string))
+ {
+ result = err;
+ break;
+ }
+ result = result * 10 + (*string - '0');
}
- result = result * 10 + (*string - '0');
- }
if (result < min || result > max)
result = err;
}
void
-parse_args (argc, argv)
- int argc;
- char **argv;
+parse_args (unsigned argc, char **argv)
{
- int i, is, il;
+ unsigned i;
+ int is, il, irl;
int ingroup = 0;
char *default_dirlist = NULL;
- char shortopts[OPTION_COUNT * 3 + 2];
- struct option longopts[OPTION_COUNT + 1];
+ char *shortopts;
+ struct option *longopts;
+ struct option *really_longopts;
int last_optind;
+ shortopts = xmalloc (OPTION_COUNT * 3 + 2);
+ longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
+ really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
+
/* 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
shortopts[0] = '-';
is = 1;
il = 0;
+ irl = 0;
for (i = 0; i < OPTION_COUNT; i++)
{
if (ld_options[i].shortopt != '\0')
}
if (ld_options[i].opt.name != NULL)
{
- longopts[il] = ld_options[i].opt;
- ++il;
+ if (ld_options[i].control == EXACTLY_TWO_DASHES)
+ {
+ really_longopts[irl] = ld_options[i].opt;
+ ++irl;
+ }
+ else
+ {
+ longopts[il] = ld_options[i].opt;
+ ++il;
+ }
}
}
shortopts[is] = '\0';
longopts[il].name = NULL;
+ really_longopts[irl].name = NULL;
+
+ ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
/* The -G option is ambiguous on different platforms. Sometimes it
specifies the largest data size to put into the small data
for (i = 1; i < argc; i++)
if (strcmp (argv[i], "-G") == 0
&& (i + 1 >= argc
- || ! isdigit ((unsigned char) argv[i + 1][0])))
+ || ! ISDIGIT (argv[i + 1][0])))
argv[i] = (char *) "--shared";
/* Because we permit long options to start with a single dash, and
{
char *n;
- n = (char *) xmalloc (strlen (argv[i]) + 20);
+ n = xmalloc (strlen (argv[i]) + 20);
sprintf (n, "--library=%s", argv[i] + 2);
argv[i] = n;
}
-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;
- }
+ if (ldemul_parse_args (argc, argv))
+ continue;
/* getopt_long_only is like getopt_long, but '-' as well as '--'
can indicate a long option. */
+ opterr = 0;
+ last_optind = optind;
optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
+ if (optc == '?')
+ {
+ optind = last_optind;
+ optc = getopt_long (argc, argv, "-", really_longopts, &longind);
+ }
+
+ if (ldemul_handle_option (optc))
+ continue;
if (optc == -1)
break;
+
switch (optc)
{
+ case '?':
+ einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
default:
- xexit (1);
+ einfo (_("%P%F: use the --help option for usage information\n"));
+
case 1: /* File name. */
- lang_add_input_file (optarg, lang_input_file_is_file_enum,
- (char *) NULL);
+ lang_add_input_file (optarg, lang_input_file_is_file_enum, 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. */
+ ``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;
+ config.dynamic_link = FALSE;
else if (strcmp (optarg, "shared") == 0
|| strcmp (optarg, "default") == 0)
- config.dynamic_link = true;
+ config.dynamic_link = TRUE;
else
einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
break;
yyparse ();
break;
case OPTION_CALL_SHARED:
- config.dynamic_link = true;
+ config.dynamic_link = TRUE;
break;
case OPTION_NON_SHARED:
- config.dynamic_link = false;
+ config.dynamic_link = FALSE;
break;
case OPTION_CREF:
- command_line.cref = true;
- link_info.notice_all = true;
+ command_line.cref = TRUE;
+ link_info.notice_all = TRUE;
break;
case 'd':
- command_line.force_common_definition = true;
+ command_line.force_common_definition = TRUE;
break;
case OPTION_DEFSYM:
lex_string = optarg;
lex_string = NULL;
break;
case OPTION_DEMANGLE:
- demangling = true;
+ demangling = TRUE;
+ if (optarg != NULL)
+ {
+ enum demangling_styles style;
+
+ style = cplus_demangle_name_to_style (optarg);
+ if (style == unknown_demangling)
+ einfo (_("%F%P: unknown demangling style `%s'"),
+ optarg);
+
+ cplus_demangle_set_style (style);
+ }
break;
+ case 'I': /* Used on Solaris. */
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
command_line.endian = ENDIAN_LITTLE;
break;
case OPTION_EMBEDDED_RELOCS:
- command_line.embedded_relocs = true;
+ command_line.embedded_relocs = TRUE;
break;
case OPTION_EXPORT_DYNAMIC:
case 'E': /* HP/UX compatibility. */
- command_line.export_dynamic = true;
+ link_info.export_dynamic = TRUE;
break;
case 'e':
- lang_add_entry (optarg, true);
+ 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 = xmalloc (2 * sizeof (char *));
command_line.auxiliary_filters[0] = optarg;
command_line.auxiliary_filters[1] = NULL;
}
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
+ = xrealloc (command_line.auxiliary_filters,
+ (c + 2) * sizeof (char *));
command_line.auxiliary_filters[c] = optarg;
command_line.auxiliary_filters[c + 1] = NULL;
}
command_line.filter_shlib = optarg;
break;
case OPTION_FORCE_EXE_SUFFIX:
- command_line.force_exe_suffix = true;
+ command_line.force_exe_suffix = TRUE;
break;
case 'G':
{
/* Ignore. */
break;
case OPTION_GC_SECTIONS:
- command_line.gc_sections = true;
+ command_line.gc_sections = TRUE;
break;
case OPTION_HELP:
help ();
xexit (0);
break;
case 'L':
- ldfile_add_library_path (optarg, true);
+ ldfile_add_library_path (optarg, TRUE);
break;
case 'l':
- lang_add_input_file (optarg, lang_input_file_is_l_enum,
- (char *) NULL);
+ lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
break;
case 'M':
config.map_filename = "-";
config.map_filename = optarg;
break;
case 'N':
- config.text_read_only = false;
- config.magic_demand_paged = false;
- config.dynamic_link = false;
+ config.text_read_only = FALSE;
+ config.magic_demand_paged = FALSE;
+ config.dynamic_link = FALSE;
+ break;
+ case OPTION_NO_OMAGIC:
+ config.text_read_only = TRUE;
+ config.magic_demand_paged = TRUE;
+ /* NB/ Does not set dynamic_link to TRUE.
+ Use --call-shared or -Bdynamic for this. */
break;
case 'n':
- config.magic_demand_paged = false;
- config.dynamic_link = false;
+ config.magic_demand_paged = FALSE;
+ config.dynamic_link = FALSE;
+ break;
+ case OPTION_NO_DEFINE_COMMON:
+ command_line.inhibit_common_definition = TRUE;
break;
case OPTION_NO_DEMANGLE:
- demangling = false;
+ demangling = FALSE;
break;
case OPTION_NO_GC_SECTIONS:
- command_line.gc_sections = false;
+ command_line.gc_sections = FALSE;
break;
case OPTION_NO_KEEP_MEMORY:
- link_info.keep_memory = false;
+ link_info.keep_memory = FALSE;
break;
case OPTION_NO_UNDEFINED:
- link_info.no_undefined = true;
+ link_info.no_undefined = TRUE;
+ break;
+ case OPTION_ALLOW_SHLIB_UNDEFINED:
+ link_info.allow_shlib_undefined = TRUE;
+ break;
+ case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
+ link_info.allow_shlib_undefined = FALSE;
+ break;
+ case OPTION_ALLOW_MULTIPLE_DEFINITION:
+ link_info.allow_multiple_definition = TRUE;
+ break;
+ case OPTION_NO_UNDEFINED_VERSION:
+ link_info.allow_undefined_version = FALSE;
break;
case OPTION_NO_WARN_MISMATCH:
- command_line.warn_mismatch = false;
+ command_line.warn_mismatch = FALSE;
break;
case OPTION_NOINHIBIT_EXEC:
- force_make_executable = true;
+ force_make_executable = TRUE;
+ break;
+ case OPTION_NOSTDLIB:
+ config.only_cmd_line_lib_dirs = TRUE;
break;
case OPTION_NO_WHOLE_ARCHIVE:
- whole_archive = false;
+ whole_archive = FALSE;
break;
case 'O':
/* FIXME "-O<non-digits> <value>" used to set the address of
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;
+ link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
break;
case 'o':
- lang_add_output (optarg, 0);
+ lang_add_output (optarg, 0);
break;
case OPTION_OFORMAT:
- lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0);
+ lang_add_output_format (optarg, NULL, NULL, 0);
+ break;
+ case 'q':
+ link_info.emitrelocations = TRUE;
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;
+ if (optind == last_optind)
+ /* This can happen if the user put "-rpath,a" on the command
+ line. (Or something similar. The comma is important).
+ Getopt becomes confused and thinks that this is a -r option
+ but it cannot parse the text after the -r so it refuses to
+ increment the optind counter. Detect this case and issue
+ an error message here. We cannot just make this a warning,
+ increment optind, and continue because getopt is too confused
+ and will seg-fault the next time around. */
+ einfo(_("%P%F: bad -rpath option\n"));
+
+ link_info.relocatable = 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
{
lang_add_input_file (optarg,
lang_input_file_is_symbols_only_enum,
- (char *) NULL);
+ NULL);
break;
}
}
/* Fall through. */
case OPTION_RPATH:
if (command_line.rpath == NULL)
- command_line.rpath = buystring (optarg);
+ command_line.rpath = xstrdup (optarg);
else
{
size_t rpath_len = strlen (command_line.rpath);
do
{
size_t idx = 0;
+
while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
++idx;
if (optarg[idx] == '\0'
break;
case OPTION_RPATH_LINK:
if (command_line.rpath_link == NULL)
- command_line.rpath_link = buystring (optarg);
+ command_line.rpath_link = xstrdup (optarg);
else
{
char *buf;
}
break;
case OPTION_RELAX:
- command_line.relax = true;
+ command_line.relax = TRUE;
break;
case OPTION_RETAIN_SYMBOLS_FILE:
add_keepsyms_file (optarg);
case 's':
link_info.strip = strip_all;
break;
+ case OPTION_STRIP_DISCARDED:
+ link_info.strip_discarded = TRUE;
+ break;
+ case OPTION_NO_STRIP_DISCARDED:
+ link_info.strip_discarded = FALSE;
+ break;
case OPTION_SHARED:
if (config.has_shared)
- link_info.shared = true;
+ link_info.shared = TRUE;
else
einfo (_("%P%F: -shared not supported\n"));
break;
+ case OPTION_PIE:
+ if (config.has_shared)
+ {
+ link_info.shared = TRUE;
+ link_info.pie = TRUE;
+ }
+ else
+ einfo (_("%P%F: -pie 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;
+ config.sort_common = TRUE;
break;
case OPTION_STATS:
- config.stats = true;
+ config.stats = TRUE;
break;
case OPTION_SYMBOLIC:
- link_info.symbolic = true;
+ link_info.symbolic = TRUE;
break;
case 't':
- trace_files = true;
+ trace_files = TRUE;
break;
case 'T':
ldfile_open_command_file (optarg);
parser_input = input_script;
yyparse ();
break;
+ case OPTION_SECTION_START:
+ {
+ char *optarg2;
+ char *sec_name;
+ int len;
+
+ /* Check for <something>=<somthing>... */
+ optarg2 = strchr (optarg, '=');
+ if (optarg2 == NULL)
+ einfo (_("%P%F: invalid argument to option \"--section-start\"\n"));
+
+ optarg2++;
+
+ /* So far so good. Are all the args present? */
+ if ((*optarg == '\0') || (*optarg2 == '\0'))
+ einfo (_("%P%F: missing argument(s) to option \"--section-start\"\n"));
+
+ /* We must copy the section name as set_section_start
+ doesn't do it for us. */
+ len = optarg2 - optarg;
+ sec_name = xmalloc (len);
+ memcpy (sec_name, optarg, len - 1);
+ sec_name[len - 1] = 0;
+
+ /* Then set it... */
+ set_section_start (sec_name, optarg2);
+ }
+ break;
+ case OPTION_TARGET_HELP:
+ /* Mention any target specific options. */
+ ldemul_list_emulation_options (stdout);
+ exit (0);
case OPTION_TBSS:
set_section_start (".bss", optarg);
break;
set_section_start (".text", optarg);
break;
case OPTION_TRADITIONAL_FORMAT:
- link_info.traditional_format = true;
+ link_info.traditional_format = TRUE;
break;
case OPTION_TASK_LINK:
- link_info.task_link = true;
+ 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;
+ link_info.relocatable = 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_UNIQUE:
+ if (optarg != NULL)
+ lang_add_unique (optarg);
+ else
+ config.unique_orphan_sections = TRUE;
+ break;
case OPTION_VERBOSE:
ldversion (1);
- version_printed = true;
- trace_file_tries = true;
+ version_printed = TRUE;
+ trace_file_tries = TRUE;
+ overflow_cutoff_limit = -2;
break;
case 'v':
ldversion (0);
- version_printed = true;
+ version_printed = TRUE;
break;
case 'V':
ldversion (1);
- version_printed = true;
+ 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++;
- }
- }
+ ldversion (2);
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. */
+ version information. Read it, but don't assume that
+ we've seen a linker script. */
{
- boolean hold_had_script;
+ FILE *hold_script_handle;
- hold_had_script = had_script;
+ hold_script_handle = saved_script_handle;
ldfile_open_command_file (optarg);
- had_script = hold_had_script;
+ saved_script_handle = hold_script_handle;
parser_input = input_version_script;
yyparse ();
}
command_line.version_exports_section = optarg;
break;
case OPTION_WARN_COMMON:
- config.warn_common = true;
+ config.warn_common = TRUE;
break;
case OPTION_WARN_CONSTRUCTORS:
- config.warn_constructors = true;
+ config.warn_constructors = TRUE;
+ break;
+ case OPTION_WARN_FATAL:
+ config.fatal_warnings = TRUE;
break;
case OPTION_WARN_MULTIPLE_GP:
- config.warn_multiple_gp = true;
+ config.warn_multiple_gp = TRUE;
break;
case OPTION_WARN_ONCE:
- config.warn_once = true;
+ config.warn_once = TRUE;
break;
case OPTION_WARN_SECTION_ALIGN:
- config.warn_section_align = true;
+ config.warn_section_align = TRUE;
break;
case OPTION_WHOLE_ARCHIVE:
- whole_archive = true;
+ whole_archive = TRUE;
break;
case OPTION_WRAP:
add_wrap (optarg);
break;
+ case OPTION_DISCARD_NONE:
+ link_info.discard = discard_none;
+ break;
case 'X':
link_info.discard = discard_l;
break;
case 'Y':
if (strncmp (optarg, "P,", 2) == 0)
optarg += 2;
+ if (default_dirlist != NULL)
+ free (default_dirlist);
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. */
+ case OPTION_SPARE_DYNAMIC_TAGS:
+ link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
break;
case OPTION_SPLIT_BY_RELOC:
- config.split_by_reloc = atoi (optarg);
- break;
+ if (optarg != NULL)
+ config.split_by_reloc = strtoul (optarg, NULL, 0);
+ else
+ config.split_by_reloc = 32768;
+ break;
case OPTION_SPLIT_BY_FILE:
- config.split_by_file = true;
- break;
+ if (optarg != NULL)
+ config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
+ else
+ config.split_by_file = 1;
+ break;
case OPTION_CHECK_SECTIONS:
- command_line.check_section_addresses = true;
+ command_line.check_section_addresses = TRUE;
break;
case OPTION_NO_CHECK_SECTIONS:
- command_line.check_section_addresses = false;
+ command_line.check_section_addresses = FALSE;
+ break;
+ case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
+ command_line.accept_unknown_input_arch = TRUE;
+ break;
+ case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
+ command_line.accept_unknown_input_arch = FALSE;
break;
case '(':
if (ingroup)
- {
- fprintf (stderr,
- _("%s: may not nest groups (--help for usage)\n"),
- program_name);
- xexit (1);
- }
+ einfo (_("%P%F: may not nest groups (--help for usage)\n"));
+
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);
- }
+ einfo (_("%P%F: group ended before it began (--help for usage)\n"));
+
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;
+ case OPTION_MPC860C0:
+ /* Default value (in bytes). */
+ link_info.mpc860c0 = 20;
+ if (optarg)
+ {
+ unsigned words;
+
+ words = is_num (optarg, 1, 10, 0);
+ if (words == 0)
+ einfo (_("%P%F: invalid argument to option \"mpc860c0\"\n"));
+
+ /* Convert words to bytes. */
+ link_info.mpc860c0 = words * 4;
+ }
+ command_line.relax = TRUE;
+ break;
+
+ case OPTION_INIT:
+ link_info.init_function = optarg;
+ break;
+
+ case OPTION_FINI:
+ link_info.fini_function = optarg;
+ break;
}
}
lang_leave_group ();
if (default_dirlist != NULL)
- set_default_dirlist (default_dirlist);
-
+ {
+ set_default_dirlist (default_dirlist);
+ free (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;
+set_default_dirlist (char *dirlist_ptr)
{
char *p;
if (p != NULL)
*p = '\0';
if (*dirlist_ptr != '\0')
- ldfile_add_library_path (dirlist_ptr, true);
+ 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;
+set_section_start (char *sect, char *valstr)
{
- char *end;
- unsigned long val = strtoul (valstr, &end, 16);
+ const char *end;
+ bfd_vma val = bfd_scan_vma (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 ()
+help (void)
{
- int i;
+ unsigned i;
const char **targets, **pp;
printf (_("Usage: %s [options] file...\n"), program_name);
{
if (ld_options[i].doc != NULL)
{
- boolean comma;
+ bfd_boolean comma;
int len;
- int j;
+ unsigned j;
printf (" ");
- comma = false;
+ comma = FALSE;
len = 2;
j = i;
printf ("%s", _(ld_options[j].arg));
len += strlen (_(ld_options[j].arg));
}
- comma = true;
+ comma = TRUE;
}
++j;
}
if (ld_options[j].opt.name != NULL
&& ld_options[j].control != NO_HELP)
{
+ int two_dashes =
+ (ld_options[j].control == TWO_DASHES
+ || ld_options[j].control == EXACTLY_TWO_DASHES);
+
printf ("%s-%s%s",
comma ? ", " : "",
- ld_options[j].control == TWO_DASHES ? "-" : "",
+ two_dashes ? "-" : "",
ld_options[j].opt.name);
len += ((comma ? 2 : 0)
+ 1
- + (ld_options[j].control == TWO_DASHES ? 1 : 0)
+ + (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;
+ comma = TRUE;
}
++j;
}
}
}
+ /* Note: Various tools (such as libtool) depend upon the
+ format of the listings below - do not change them. */
/* xgettext:c-format */
printf (_("%s: supported targets:"), program_name);
targets = bfd_target_list ();
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"));
+
+ printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
}