top level:

[deliverable/binutils-gdb.git] / ld / lexsup.c

diff --git a/ld/lexsup.c b/ld/lexsup.c
index 459cff921d45c5ba4cf58c2e31277b706ce43da2..025411e63c8dc94253b17b1f876cdaa6df1a2217 100644 (file)
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -1,6 +1,6 @@
 /* Parse options for the GNU linker.
    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
 /* Parse options for the GNU linker.
    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,

-   2001, 2002, 2003, 2004, 2005
+   2001, 2002, 2003, 2004, 2005, 2006, 2007

    Free Software Foundation, Inc.
 
    This file is part of GLD, the Gnu Linker.
    Free Software Foundation, Inc.
 
    This file is part of GLD, the Gnu Linker.


@@ -17,9 +17,10 @@
 
    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
 
    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.  */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */

 
 

+#include "config.h"

 #include "bfd.h"
 #include "sysdep.h"
 #include "libiberty.h"
 #include "bfd.h"
 #include "sysdep.h"
 #include "libiberty.h"


@@ -96,6 +97,7 @@ enum option_values
   OPTION_SORT_SECTION,
   OPTION_STATS,
   OPTION_SYMBOLIC,
   OPTION_SORT_SECTION,
   OPTION_STATS,
   OPTION_SYMBOLIC,

+  OPTION_SYMBOLIC_FUNCTIONS,

   OPTION_TASK_LINK,
   OPTION_TBSS,
   OPTION_TDATA,
   OPTION_TASK_LINK,
   OPTION_TBSS,
   OPTION_TDATA,


@@ -106,6 +108,10 @@ enum option_values
   OPTION_VERSION,
   OPTION_VERSION_SCRIPT,
   OPTION_VERSION_EXPORTS_SECTION,
   OPTION_VERSION,
   OPTION_VERSION_SCRIPT,
   OPTION_VERSION_EXPORTS_SECTION,

+  OPTION_DYNAMIC_LIST,
+  OPTION_DYNAMIC_LIST_CPP_NEW,
+  OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
+  OPTION_DYNAMIC_LIST_DATA,

   OPTION_WARN_COMMON,
   OPTION_WARN_CONSTRUCTORS,
   OPTION_WARN_FATAL,
   OPTION_WARN_COMMON,
   OPTION_WARN_CONSTRUCTORS,
   OPTION_WARN_FATAL,


@@ -123,6 +129,8 @@ enum option_values
   OPTION_FORCE_EXE_SUFFIX,
   OPTION_GC_SECTIONS,
   OPTION_NO_GC_SECTIONS,
   OPTION_FORCE_EXE_SUFFIX,
   OPTION_GC_SECTIONS,
   OPTION_NO_GC_SECTIONS,

+  OPTION_PRINT_GC_SECTIONS,
+  OPTION_NO_PRINT_GC_SECTIONS,

   OPTION_HASH_SIZE,
   OPTION_CHECK_SECTIONS,
   OPTION_NO_CHECK_SECTIONS,
   OPTION_HASH_SIZE,
   OPTION_CHECK_SECTIONS,
   OPTION_NO_CHECK_SECTIONS,


@@ -152,7 +160,8 @@ enum option_values
   OPTION_WARN_UNRESOLVED_SYMBOLS,
   OPTION_ERROR_UNRESOLVED_SYMBOLS,
   OPTION_WARN_SHARED_TEXTREL,
   OPTION_WARN_UNRESOLVED_SYMBOLS,
   OPTION_ERROR_UNRESOLVED_SYMBOLS,
   OPTION_WARN_SHARED_TEXTREL,

-  OPTION_REDUCE_MEMORY_OVERHEADS
+  OPTION_REDUCE_MEMORY_OVERHEADS,
+  OPTION_DEFAULT_SCRIPT

 };
 
 /* The long options.  This structure is used for both the option
 };
 
 /* The long options.  This structure is used for both the option


@@ -275,6 +284,10 @@ static const struct ld_option ld_options[] =
     't', NULL, N_("Trace file opens"), TWO_DASHES },
   { {"script", required_argument, NULL, 'T'},
     'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
     't', NULL, N_("Trace file opens"), TWO_DASHES },
   { {"script", required_argument, NULL, 'T'},
     'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },

+  { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
+    '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
+  { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
+    '\0', NULL, NULL, ONE_DASH },

   { {"undefined", required_argument, NULL, 'u'},
     'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
     TWO_DASHES },
   { {"undefined", required_argument, NULL, 'u'},
     'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
     TWO_DASHES },


@@ -341,6 +354,8 @@ static const struct ld_option ld_options[] =
     '\0', NULL, NULL, ONE_DASH },
   { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
     '\0', NULL, N_("Bind global references locally"), ONE_DASH },
     '\0', NULL, NULL, ONE_DASH },
   { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
     '\0', NULL, N_("Bind global references locally"), ONE_DASH },

+  { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
+    '\0', NULL, N_("Bind global function references locally"), ONE_DASH },

   { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
     '\0', NULL, N_("Check section addresses for overlaps (default)"),
     TWO_DASHES },
   { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
     '\0', NULL, N_("Check section addresses for overlaps (default)"),
     TWO_DASHES },


@@ -369,6 +384,12 @@ static const struct ld_option ld_options[] =
   { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
     '\0', NULL, N_("Don't remove unused sections (default)"),
     TWO_DASHES },
   { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
     '\0', NULL, N_("Don't remove unused sections (default)"),
     TWO_DASHES },

+  { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
+    '\0', NULL, N_("List removed unused sections on stderr"),
+    TWO_DASHES },
+  { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
+    '\0', NULL, N_("Do not list removed unused sections"),
+    TWO_DASHES },

   { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
     '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
     TWO_DASHES },
   { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
     '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
     TWO_DASHES },


@@ -492,6 +513,14 @@ static const struct ld_option ld_options[] =
      OPTION_VERSION_EXPORTS_SECTION },
     '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
                           "\t\t\t\tSYMBOL as the version."), TWO_DASHES },
      OPTION_VERSION_EXPORTS_SECTION },
     '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
                           "\t\t\t\tSYMBOL as the version."), TWO_DASHES },

+  { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
+    '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
+  { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
+    '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
+  { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
+    '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
+  { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
+    '\0', N_("FILE"), N_("Read dynamic list"), 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},
   { {"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},


@@ -665,6 +694,8 @@ parse_args (unsigned argc, char **argv)
        {
        case '?':
          einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
        {
        case '?':
          einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);

+         /* Fall through.  */
+

        default:
          einfo (_("%P%F: use the --help option for usage information\n"));
 
        default:
          einfo (_("%P%F: use the --help option for usage information\n"));
 


@@ -809,7 +840,10 @@ parse_args (unsigned argc, char **argv)
          /* Ignore.  */
          break;
        case OPTION_GC_SECTIONS:
          /* Ignore.  */
          break;
        case OPTION_GC_SECTIONS:

-         command_line.gc_sections = TRUE;
+         link_info.gc_sections = TRUE;
+         break;
+       case OPTION_PRINT_GC_SECTIONS:
+         link_info.print_gc_sections = TRUE;

          break;
        case OPTION_HELP:
          help ();
          break;
        case OPTION_HELP:
          help ();


@@ -852,7 +886,10 @@ parse_args (unsigned argc, char **argv)
          demangling = FALSE;
          break;
        case OPTION_NO_GC_SECTIONS:
          demangling = FALSE;
          break;
        case OPTION_NO_GC_SECTIONS:

-         command_line.gc_sections = FALSE;
+         link_info.gc_sections = FALSE;
+         break;
+       case OPTION_NO_PRINT_GC_SECTIONS:
+         link_info.print_gc_sections = FALSE;

          break;
        case OPTION_NO_KEEP_MEMORY:
          link_info.keep_memory = FALSE;
          break;
        case OPTION_NO_KEEP_MEMORY:
          link_info.keep_memory = FALSE;


@@ -1108,7 +1145,10 @@ parse_args (unsigned argc, char **argv)
          config.stats = TRUE;
          break;
        case OPTION_SYMBOLIC:
          config.stats = TRUE;
          break;
        case OPTION_SYMBOLIC:

-         link_info.symbolic = TRUE;
+         command_line.symbolic = symbolic;
+         break;
+       case OPTION_SYMBOLIC_FUNCTIONS:
+         command_line.symbolic = symbolic_functions;

          break;
        case 't':
          trace_files = TRUE;
          break;
        case 't':
          trace_files = TRUE;


@@ -1118,6 +1158,9 @@ parse_args (unsigned argc, char **argv)
          parser_input = input_script;
          yyparse ();
          break;
          parser_input = input_script;
          yyparse ();
          break;

+       case OPTION_DEFAULT_SCRIPT:
+         command_line.default_script = optarg;
+         break;

        case OPTION_SECTION_START:
          {
            char *optarg2;
        case OPTION_SECTION_START:
          {
            char *optarg2;


@@ -1221,6 +1264,43 @@ parse_args (unsigned argc, char **argv)
             .exports sections.  */
          command_line.version_exports_section = optarg;
          break;
             .exports sections.  */
          command_line.version_exports_section = optarg;
          break;

+       case OPTION_DYNAMIC_LIST_DATA:
+         command_line.dynamic_list = dynamic_list_data;
+         if (command_line.symbolic == symbolic)
+           command_line.symbolic = symbolic_unset;
+         break;
+       case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
+         lang_append_dynamic_list_cpp_typeinfo ();
+         if (command_line.dynamic_list != dynamic_list_data)
+           command_line.dynamic_list = dynamic_list;
+         if (command_line.symbolic == symbolic)
+           command_line.symbolic = symbolic_unset;
+         break;
+       case OPTION_DYNAMIC_LIST_CPP_NEW:
+         lang_append_dynamic_list_cpp_new ();
+         if (command_line.dynamic_list != dynamic_list_data)
+           command_line.dynamic_list = dynamic_list;
+         if (command_line.symbolic == symbolic)
+           command_line.symbolic = symbolic_unset;
+         break;
+       case OPTION_DYNAMIC_LIST:
+         /* This option indicates a small script that only specifies
+            a dynamic list.  Read it, but don't assume that we've
+            seen a linker script.  */
+         {
+           FILE *hold_script_handle;
+
+           hold_script_handle = saved_script_handle;
+           ldfile_open_command_file (optarg);
+           saved_script_handle = hold_script_handle;
+           parser_input = input_dynamic_list;
+           yyparse ();
+         }
+         if (command_line.dynamic_list != dynamic_list_data)
+           command_line.dynamic_list = dynamic_list;
+         if (command_line.symbolic == symbolic)
+           command_line.symbolic = symbolic_unset;
+         break;

        case OPTION_WARN_COMMON:
          config.warn_common = TRUE;
          break;
        case OPTION_WARN_COMMON:
          config.warn_common = TRUE;
          break;


@@ -1270,7 +1350,7 @@ parse_args (unsigned argc, char **argv)
          link_info.discard = discard_all;
          break;
        case 'Y':
          link_info.discard = discard_all;
          break;
        case 'Y':

-         if (strncmp (optarg, "P,", 2) == 0)
+         if (CONST_STRNEQ (optarg, "P,"))

            optarg += 2;
          if (default_dirlist != NULL)
            free (default_dirlist);
            optarg += 2;
          if (default_dirlist != NULL)
            free (default_dirlist);


@@ -1330,7 +1410,7 @@ parse_args (unsigned argc, char **argv)
          break;
 
        case OPTION_REDUCE_MEMORY_OVERHEADS:
          break;
 
        case OPTION_REDUCE_MEMORY_OVERHEADS:

-         command_line.reduce_memory_overheads = TRUE;
+         link_info.reduce_memory_overheads = TRUE;

          if (config.hash_table_size == 0)
            config.hash_table_size = 1021;
          break;
          if (config.hash_table_size == 0)
            config.hash_table_size = 1021;
          break;


@@ -1441,6 +1521,7 @@ help (void)
 {
   unsigned i;
   const char **targets, **pp;
 {
   unsigned i;
   const char **targets, **pp;

+  int len;

 
   printf (_("Usage: %s [options] file...\n"), program_name);
 
 
   printf (_("Usage: %s [options] file...\n"), program_name);
 


@@ -1450,7 +1531,6 @@ help (void)
       if (ld_options[i].doc != NULL)
        {
          bfd_boolean comma;
       if (ld_options[i].doc != NULL)
        {
          bfd_boolean comma;

-         int len;

          unsigned j;
 
          printf ("  ");
          unsigned j;
 
          printf ("  ");


@@ -1523,6 +1603,10 @@ help (void)
          printf ("%s\n", _(ld_options[i].doc));
        }
     }
          printf ("%s\n", _(ld_options[i].doc));
        }
     }

+  printf (_("  @FILE"));
+  for (len = strlen ("  @FILE"); len < 30; len++)
+    putchar (' ');
+  printf (_("Read options from FILE\n"));

 
   /* Note: Various tools (such as libtool) depend upon the
      format of the listings below - do not change them.  */
 
   /* Note: Various tools (such as libtool) depend upon the
      format of the listings below - do not change them.  */


@@ -1544,5 +1628,6 @@ help (void)
   ldemul_list_emulation_options (stdout);
   printf ("\n");
 
   ldemul_list_emulation_options (stdout);
   printf ("\n");
 

-  printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
+  if (REPORT_BUGS_TO[0])
+    printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);

 }
 }