/* Parse options for the GNU linker.
- Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
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. */
+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 "config.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldlex.h"
#include "ldfile.h"
#include "ldver.h"
+#include "ldemul.h"
+
+/* Somewhere above, sys/stat.h got included . . . . */
+#if !defined(S_ISDIR) && defined(S_IFDIR)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
/* Omit args to avoid the possibility of clashing with a system header
that might disagree about consts. */
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_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
+#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
+#define OPTION_EL (OPTION_EB + 1)
+#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
+#define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1)
+#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
+#define OPTION_IGNORE (OPTION_HELP + 1)
+#define OPTION_MAP (OPTION_IGNORE + 1)
+#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
+#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
+#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
+#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
+#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
+#define OPTION_RELAX (OPTION_OFORMAT + 1)
+#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
+#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
+#define OPTION_RPATH_LINK (OPTION_RPATH + 1)
+#define OPTION_SHARED (OPTION_RPATH_LINK + 1)
+#define OPTION_SONAME (OPTION_SHARED + 1)
+#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
+#define OPTION_STATS (OPTION_SORT_COMMON + 1)
+#define OPTION_SYMBOLIC (OPTION_STATS + 1)
+#define OPTION_TBSS (OPTION_SYMBOLIC + 1)
+#define OPTION_TDATA (OPTION_TBSS + 1)
+#define OPTION_TTEXT (OPTION_TDATA + 1)
+#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
+#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
+#define OPTION_VERBOSE (OPTION_UR + 1)
+#define OPTION_VERSION (OPTION_VERBOSE + 1)
+#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
+#define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1)
+#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_CONSTRUCTORS + 1)
+#define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1)
+#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_ONCE + 1)
+#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
+#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
+#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
+#define OPTION_FORCE_EXE_SUFFIX (OPTION_WRAP + 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', "KEYWORD", "Shared library control for HP/UX compatibility",
+ ONE_DASH },
+ { {"architecture", required_argument, NULL, 'A'},
+ 'A', "ARCH", "Set architecture" , TWO_DASHES },
+ { {"format", required_argument, NULL, 'b'},
+ 'b', "TARGET", "Specify target for following input files", TWO_DASHES },
+ { {"mri-script", required_argument, NULL, 'c'},
+ 'c', "FILE", "Read MRI format linker script", TWO_DASHES },
+ { {"dc", no_argument, NULL, 'd'},
+ 'd', NULL, "Force common symbols to be defined", ONE_DASH },
+ { {"dp", no_argument, NULL, 'd'},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"entry", required_argument, NULL, 'e'},
+ 'e', "ADDRESS", "Set start address", TWO_DASHES },
+ { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
+ 'E', NULL, "Export all dynamic symbols", TWO_DASHES },
+ { {NULL, optional_argument, NULL, '\0'},
+ 'F', "[FORMAT]", "Ignored", ONE_DASH },
+ { {NULL, no_argument, NULL, '\0'},
+ 'g', NULL, "Ignored", ONE_DASH },
+ { {"gpsize", required_argument, NULL, 'G'},
+ 'G', "SIZE", "Small data size (if no size, same as --shared)",
+ TWO_DASHES },
+ { {"soname", required_argument, NULL, OPTION_SONAME},
+ 'h', "FILENAME", "Set internal name of shared library", ONE_DASH },
+ { {"library", required_argument, NULL, 'l'},
+ 'l', "LIBNAME", "Search for library LIBNAME", TWO_DASHES },
+ { {"library-path", required_argument, NULL, 'L'},
+ 'L', "DIRECTORY", "Add DIRECTORY to library search path", TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'm', "EMULATION", "Set emulation", ONE_DASH },
+ { {"print-map", no_argument, NULL, 'M'},
+ 'M', NULL, "Print map file on standard output", TWO_DASHES },
+ { {"nmagic", no_argument, NULL, 'n'},
+ 'n', NULL, "Do not page align data", TWO_DASHES },
+ { {"omagic", no_argument, NULL, 'N'},
+ 'N', NULL, "Do not page align data, do not make text readonly",
+ TWO_DASHES },
+ { {"output", required_argument, NULL, 'o'},
+ 'o', "FILE", "Set output file name", TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'O', NULL, "Ignored", ONE_DASH },
+ { {"relocateable", no_argument, NULL, 'r'},
+ 'r', NULL, "Generate relocateable output", TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'i', NULL, NULL, ONE_DASH },
+ { {"just-symbols", required_argument, NULL, 'R'},
+ 'R', "FILE", "Just link symbols (if directory, same as --rpath)",
+ TWO_DASHES },
+ { {"strip-all", no_argument, NULL, 's'},
+ 's', NULL, "Strip all symbols", TWO_DASHES },
+ { {"strip-debug", no_argument, NULL, 'S'},
+ 'S', NULL, "Strip debugging symbols", TWO_DASHES },
+ { {"trace", no_argument, NULL, 't'},
+ 't', NULL, "Trace file opens", TWO_DASHES },
+ { {"script", required_argument, NULL, 'T'},
+ 'T', "FILE", "Read linker script", TWO_DASHES },
+ { {"undefined", required_argument, NULL, 'u'},
+ 'u', "SYMBOL", "Start with undefined reference to SYMBOL", TWO_DASHES },
+ { {"version", no_argument, NULL, OPTION_VERSION},
+ 'v', NULL, "Print version information", TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'V', NULL, "Print version and emulation information", ONE_DASH },
+ { {"discard-all", no_argument, NULL, 'x'},
+ 'x', NULL, "Discard all local symbols", TWO_DASHES },
+ { {"discard-locals", no_argument, NULL, 'X'},
+ 'X', NULL, "Discard temporary local symbols", TWO_DASHES },
+ { {"trace-symbol", required_argument, NULL, 'y'},
+ 'y', "SYMBOL", "Trace mentions of SYMBOL", TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'Y', "PATH", "Default search path for Solaris compatibility", ONE_DASH },
+ { {NULL, required_argument, NULL, '\0'},
+ 'z', "KEYWORD", "Ignored for Solaris compatibility", ONE_DASH },
+ { {"start-group", no_argument, NULL, '('},
+ '(', NULL, "Start a group", TWO_DASHES },
+ { {"end-group", no_argument, NULL, ')'},
+ ')', NULL, "End a group", TWO_DASHES },
+ { {"assert", required_argument, NULL, OPTION_ASSERT},
+ '\0', "KEYWORD", "Ignored for SunOS compatibility", ONE_DASH },
+ { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, "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, "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, "Bind global references locally", ONE_DASH },
+ { {"cref", no_argument, NULL, OPTION_CREF},
+ '\0', NULL, "Output cross reference table", TWO_DASHES },
+ { {"defsym", required_argument, NULL, OPTION_DEFSYM},
+ '\0', "SYMBOL=EXPRESSION", "Define a symbol", TWO_DASHES },
+ { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
+ '\0', "PROGRAM", "Set the dynamic linker to use", TWO_DASHES },
+ { {"EB", no_argument, NULL, OPTION_EB},
+ '\0', NULL, "Link big-endian objects", ONE_DASH },
+ { {"EL", no_argument, NULL, OPTION_EL},
+ '\0', NULL, "Link little-endian objects", ONE_DASH },
+ { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
+ '\0', NULL, "Generate embedded relocs", TWO_DASHES},
+ { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
+ '\0', NULL, "Force generation of file with .exe suffix", TWO_DASHES},
+ { {"help", no_argument, NULL, OPTION_HELP},
+ '\0', NULL, "Print option help", TWO_DASHES },
+ { {"Map", required_argument, NULL, OPTION_MAP},
+ '\0', "FILE", "Write a map file", ONE_DASH },
+ { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
+ '\0', NULL, "Use less memory and more disk I/O", TWO_DASHES },
+ { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
+ '\0', NULL, "Turn off --whole-archive", TWO_DASHES },
+ { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+ '\0', NULL, "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', "TARGET", "Specify target of output file", TWO_DASHES },
+ { {"qmagic", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, "Ignored for Linux compatibility", ONE_DASH },
+ { {"Qy", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, "Ignored for SVR4 compatibility", ONE_DASH },
+ { {"relax", no_argument, NULL, OPTION_RELAX},
+ '\0', NULL, "Relax branches on certain targets", TWO_DASHES },
+ { {"retain-symbols-file", required_argument, NULL,
+ OPTION_RETAIN_SYMBOLS_FILE},
+ '\0', "FILE", "Keep only symbols listed in FILE", TWO_DASHES },
+ { {"rpath", required_argument, NULL, OPTION_RPATH},
+ '\0', "PATH", "Set runtime shared library search path", ONE_DASH },
+ { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
+ '\0', "PATH", "Set link time shared library search path", ONE_DASH },
+ { {"shared", no_argument, NULL, OPTION_SHARED},
+ '\0', NULL, "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, "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, "Split output sections for each file", TWO_DASHES },
+ { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
+ '\0', "COUNT", "Split output sections every COUNT relocs", TWO_DASHES },
+ { {"stats", no_argument, NULL, OPTION_STATS},
+ '\0', NULL, "Print memory usage statistics", TWO_DASHES },
+ { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
+ '\0', NULL, "Use same format as native linker", TWO_DASHES },
+ { {"Tbss", required_argument, NULL, OPTION_TBSS},
+ '\0', "ADDRESS", "Set address of .bss section", ONE_DASH },
+ { {"Tdata", required_argument, NULL, OPTION_TDATA},
+ '\0', "ADDRESS", "Set address of .data section", ONE_DASH },
+ { {"Ttext", required_argument, NULL, OPTION_TTEXT},
+ '\0', "ADDRESS", "Set address of .text section", ONE_DASH },
+ { {"Ur", no_argument, NULL, OPTION_UR},
+ '\0', NULL, "Build global constructor/destructor tables", ONE_DASH },
+ { {"verbose", no_argument, NULL, OPTION_VERBOSE},
+ '\0', NULL, "Output lots of information during link", TWO_DASHES },
+ { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
+ '\0', NULL, NULL, NO_HELP },
+ { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
+ '\0', NULL, "Warn about duplicate common symbols", TWO_DASHES },
+ { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
+ '\0', NULL, "Warn if global constructors/destructors are seen",
+ TWO_DASHES },
+ { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
+ '\0', NULL, "Warn if the multiple GP values are used", TWO_DASHES },
+ { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
+ '\0', NULL, "Warn only once per undefined symbol", TWO_DASHES },
+ { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
+ '\0', NULL, "Include all objects from following archives", TWO_DASHES },
+ { {"wrap", required_argument, NULL, OPTION_WRAP},
+ '\0', "SYMBOL", "Use wrapper functions for SYMBOL", TWO_DASHES }
+};
+
+#define OPTION_COUNT (sizeof ld_options / sizeof ld_options[0])
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];
+
/* 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.
- const char *shortopts = "-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:";
-
- /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
-
- static struct option longopts[] = {
-#define OPTION_CALL_SHARED 150
-#define OPTION_NON_SHARED 151
- {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
- {"dc", no_argument, NULL, 'd'},
-#define OPTION_DEFSYM 152
- {"defsym", required_argument, NULL, OPTION_DEFSYM},
- {"dn", no_argument, NULL, OPTION_NON_SHARED},
- {"dp", no_argument, NULL, 'd'},
- {"dy", no_argument, NULL, OPTION_CALL_SHARED},
-#define OPTION_EB 153
- {"EB", no_argument, NULL, OPTION_EB},
-#define OPTION_EL 154
- {"EL", no_argument, NULL, OPTION_EL},
- {"format", required_argument, NULL, 'b'},
-#define OPTION_HELP 155
- {"help", no_argument, NULL, OPTION_HELP},
-#define OPTION_MAP 156
- {"Map", required_argument, NULL, OPTION_MAP},
-#define OPTION_NO_KEEP_MEMORY 157
- {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
-#define OPTION_NOINHIBIT_EXEC 158
- {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
-#define OPTION_OFORMAT 159
- {"oformat", required_argument, NULL, OPTION_OFORMAT},
-#define OPTION_IGNORE 160
- {"Qy", no_argument, NULL, OPTION_IGNORE},
-#define OPTION_RELAX 161
- {"relax", no_argument, NULL, OPTION_RELAX},
-#define OPTION_RETAIN_SYMBOLS_FILE 162
- {"retain-symbols-file", no_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
-#define OPTION_SORT_COMMON 163
- {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
- {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
-#define OPTION_STATS 164
- {"stats", no_argument, NULL, OPTION_STATS},
-#define OPTION_TBSS 165
- {"Tbss", required_argument, NULL, OPTION_TBSS},
-#define OPTION_TDATA 166
- {"Tdata", required_argument, NULL, OPTION_TDATA},
-#define OPTION_TTEXT 167
- {"Ttext", required_argument, NULL, OPTION_TTEXT},
-#define OPTION_UR 168
- {"Ur", no_argument, NULL, OPTION_UR},
-#define OPTION_VERSION 169
- {"version", no_argument, NULL, OPTION_VERSION},
-#define OPTION_WARN_COMMON 170
- {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
- {NULL, no_argument, NULL, 0}
- };
+ We need to permit the --shared form because on some platforms,
+ such as Solaris, gcc -shared will pass -G to the linker.
+
+ To permit either usage, we look through the argument list. If we
+ find -G not followed by a number, we change it into --shared.
+ This will work for most normal cases. */
+ for (i = 1; i < argc; i++)
+ if (strcmp (argv[i], "-G") == 0
+ && (i + 1 >= argc
+ || ! isdigit (argv[i + 1][0])))
+ argv[i] = (char *) "--shared";
while (1)
{
/* getopt_long_only is like getopt_long, but '-' as well as '--' can
indicate a long option. */
int longind;
- int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
+ int optc;
+
+ if (ldemul_parse_args (argc, argv))
+ continue;
+
+ optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
if (optc == -1)
break;
-
switch (optc)
{
default:
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':
- /* Ignore. */
- break;
case 'b':
lang_add_target (optarg);
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_DYNAMIC_LINKER:
+ command_line.interpreter = optarg;
break;
case OPTION_EB:
- /* FIXME: This is currently ignored. It means
- ``produce a big-endian object file''. It could
- be used to select an output format. */
+ command_line.endian = ENDIAN_BIG;
break;
case OPTION_EL:
- /* FIXME: This is currently ignored. It means
- ``produce a little-endian object file''. It could
- be used to select an output format. */
+ 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);
+ lang_add_entry (optarg, true);
break;
case 'F':
/* Ignore. */
break;
+ case OPTION_FORCE_EXE_SUFFIX:
+ command_line.force_exe_suffix = true;
+ break;
case 'G':
{
char *end;
xexit (0);
break;
case 'L':
- ldfile_add_library_path (optarg);
+ ldfile_add_library_path (optarg, true);
break;
case 'l':
lang_add_input_file (optarg, lang_input_file_is_l_enum,
case 'N':
config.text_read_only = false;
config.magic_demand_paged = false;
+ config.dynamic_link = false;
break;
case 'n':
config.magic_demand_paged = false;
+ config.dynamic_link = false;
break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = false;
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. */
- set_default_dirlist (optarg);
break;
case 'o':
lang_add_output (optarg, 0);
break;
case OPTION_OFORMAT:
- lang_add_output_format (optarg, 0);
+ lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0);
break;
+ case 'i':
case 'r':
link_info.relocateable = true;
config.build_constructors = false;
config.dynamic_link = false;
break;
case 'R':
- lang_add_input_file (optarg,
- lang_input_file_is_symbols_only_enum,
- (char *) NULL);
+ /* The GNU linker traditionally uses -R to mean to include
+ only the symbols from a file. The Solaris linker uses -R
+ to set the path used by the runtime linker to find
+ libraries. This is the GNU linker -rpath argument. We
+ try to support both simultaneously by checking the file
+ named. If it is a directory, rather than a regular file,
+ we assume -rpath was meant. */
+ {
+ struct stat s;
+
+ if (stat (optarg, &s) >= 0
+ && ! S_ISDIR (s.st_mode))
+ {
+ lang_add_input_file (optarg,
+ lang_input_file_is_symbols_only_enum,
+ (char *) NULL);
+ break;
+ }
+ }
+ /* Fall through. */
+ case OPTION_RPATH:
+ if (command_line.rpath == NULL)
+ command_line.rpath = buystring (optarg);
+ else
+ {
+ char *buf;
+
+ buf = xmalloc (strlen (command_line.rpath)
+ + strlen (optarg)
+ + 2);
+ sprintf (buf, "%s:%s", command_line.rpath, optarg);
+ free (command_line.rpath);
+ command_line.rpath = buf;
+ }
+ break;
+ case OPTION_RPATH_LINK:
+ if (command_line.rpath_link == NULL)
+ command_line.rpath_link = buystring (optarg);
+ else
+ {
+ char *buf;
+
+ buf = xmalloc (strlen (command_line.rpath_link)
+ + strlen (optarg)
+ + 2);
+ sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
+ free (command_line.rpath_link);
+ command_line.rpath_link = buf;
+ }
break;
case OPTION_RELAX:
command_line.relax = true;
case 's':
link_info.strip = strip_all;
break;
+ case OPTION_SHARED:
+ link_info.shared = true;
+ break;
+ case 'h': /* Used on Solaris. */
+ case OPTION_SONAME:
+ command_line.soname = optarg;
+ break;
case OPTION_SORT_COMMON:
config.sort_common = true;
break;
case OPTION_STATS:
config.stats = true;
break;
+ case OPTION_SYMBOLIC:
+ link_info.symbolic = true;
+ break;
case 't':
trace_files = true;
break;
case OPTION_TTEXT:
set_section_start (".text", optarg);
break;
+ case OPTION_TRADITIONAL_FORMAT:
+ link_info.traditional_format = true;
+ break;
case OPTION_UR:
link_info.relocateable = true;
config.build_constructors = true;
case 'u':
ldlang_add_undef (optarg);
break;
- case 'V':
+ case OPTION_VERBOSE:
ldversion (1);
version_printed = true;
trace_file_tries = true;
ldversion (0);
version_printed = true;
break;
- case OPTION_VERSION:
- ldversion (0);
+ 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 1996 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_WARN_COMMON:
config.warn_common = true;
break;
+ case OPTION_WARN_CONSTRUCTORS:
+ config.warn_constructors = true;
+ break;
+ case OPTION_WARN_MULTIPLE_GP:
+ config.warn_multiple_gp = true;
+ break;
+ case OPTION_WARN_ONCE:
+ config.warn_once = true;
+ break;
+ case OPTION_WHOLE_ARCHIVE:
+ whole_archive = true;
+ break;
+ case OPTION_WRAP:
+ add_wrap (optarg);
+ break;
case 'X':
link_info.discard = discard_l;
break;
link_info.discard = discard_all;
break;
case 'Y':
- set_default_dirlist (optarg);
+ 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 '(':
+ if (ingroup)
+ {
+ fprintf (stderr,
+ "%s: may not nest groups (--help for usage)\n",
+ program_name);
+ xexit (1);
+ }
+ lang_enter_group ();
+ ingroup = 1;
+ break;
+ case ')':
+ if (! ingroup)
+ {
+ fprintf (stderr,
+ "%s: group ended before it began (--help for usage)\n",
+ program_name);
+ xexit (1);
+ }
+ lang_leave_group ();
+ ingroup = 0;
+ break;
+
}
}
+
+ if (ingroup)
+ lang_leave_group ();
+
+ if (default_dirlist != NULL)
+ set_default_dirlist (default_dirlist);
+
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
{
p = strchr (dirlist_ptr, ':');
if (p != NULL)
- *p = 0;
- if (*dirlist_ptr)
- ldfile_add_library_path (dirlist_ptr);
+ *p = '\0';
+ if (*dirlist_ptr != '\0')
+ ldfile_add_library_path (dirlist_ptr, true);
if (p == NULL)
break;
- *p = ':';
dirlist_ptr = p + 1;
}
}
einfo ("%P%F: invalid hex number `%s'\n", valstr);
lang_section_start (sect, exp_intop (val));
}
+\f
+/* 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);
+ }
+ }
+
+ printf ("%s: supported targets:", program_name);
+ targets = bfd_target_list ();
+ for (pp = targets; *pp != NULL; pp++)
+ printf (" %s", *pp);
+ free (targets);
+ printf ("\n");
+
+ printf ("%s: supported emulations: ", program_name);
+ ldemul_list_emulations (stdout);
+ printf ("\n");
+ printf ("\nReport bugs to bug-gnu-utils@prep.ai.mit.edu\n");
+}
projects / binutils-gdb.git / blobdiff