bfd/

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

diff --git a/ld/lexsup.c b/ld/lexsup.c
index 55ab5ee0da0249320c04352ce3c64b2555760772..4da949625da08dbf84dff24a1d6cfb75728a21aa 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
+   2001, 2002, 2003, 2004, 2005

    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"


@@ -55,6 +56,7 @@
 
 static void set_default_dirlist (char *);
 static void set_section_start (char *, char *);
 
 static void set_default_dirlist (char *);
 static void set_section_start (char *, char *);

+static void set_segment_start (const char *, char *);

 static void help (void);
 
 /* Non-zero if we are processing a --defsym from the command line.  */
 static void help (void);
 
 /* Non-zero if we are processing a --defsym from the command line.  */


@@ -70,6 +72,7 @@ enum option_values
   OPTION_DEFSYM,
   OPTION_DEMANGLE,
   OPTION_DYNAMIC_LINKER,
   OPTION_DEFSYM,
   OPTION_DEMANGLE,
   OPTION_DYNAMIC_LINKER,

+  OPTION_SYSROOT,

   OPTION_EB,
   OPTION_EL,
   OPTION_EMBEDDED_RELOCS,
   OPTION_EB,
   OPTION_EL,
   OPTION_EMBEDDED_RELOCS,


@@ -91,6 +94,7 @@ enum option_values
   OPTION_SHARED,
   OPTION_SONAME,
   OPTION_SORT_COMMON,
   OPTION_SHARED,
   OPTION_SONAME,
   OPTION_SORT_COMMON,

+  OPTION_SORT_SECTION,

   OPTION_STATS,
   OPTION_SYMBOLIC,
   OPTION_TASK_LINK,
   OPTION_STATS,
   OPTION_SYMBOLIC,
   OPTION_TASK_LINK,


@@ -103,6 +107,10 @@ 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,


@@ -112,12 +120,16 @@ enum option_values
   OPTION_SPLIT_BY_RELOC,
   OPTION_SPLIT_BY_FILE ,
   OPTION_WHOLE_ARCHIVE,
   OPTION_SPLIT_BY_RELOC,
   OPTION_SPLIT_BY_FILE ,
   OPTION_WHOLE_ARCHIVE,

+  OPTION_ADD_NEEDED,
+  OPTION_NO_ADD_NEEDED,

   OPTION_AS_NEEDED,
   OPTION_NO_AS_NEEDED,
   OPTION_WRAP,
   OPTION_FORCE_EXE_SUFFIX,
   OPTION_GC_SECTIONS,
   OPTION_NO_GC_SECTIONS,
   OPTION_AS_NEEDED,
   OPTION_NO_AS_NEEDED,
   OPTION_WRAP,
   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,


@@ -131,6 +143,8 @@ enum option_values
   OPTION_NO_ALLOW_SHLIB_UNDEFINED,
   OPTION_ALLOW_MULTIPLE_DEFINITION,
   OPTION_NO_UNDEFINED_VERSION,
   OPTION_NO_ALLOW_SHLIB_UNDEFINED,
   OPTION_ALLOW_MULTIPLE_DEFINITION,
   OPTION_NO_UNDEFINED_VERSION,

+  OPTION_DEFAULT_SYMVER,
+  OPTION_DEFAULT_IMPORTED_SYMVER,

   OPTION_DISCARD_NONE,
   OPTION_SPARE_DYNAMIC_TAGS,
   OPTION_NO_DEFINE_COMMON,
   OPTION_DISCARD_NONE,
   OPTION_SPARE_DYNAMIC_TAGS,
   OPTION_NO_DEFINE_COMMON,


@@ -144,6 +158,7 @@ enum option_values
   OPTION_UNRESOLVED_SYMBOLS,
   OPTION_WARN_UNRESOLVED_SYMBOLS,
   OPTION_ERROR_UNRESOLVED_SYMBOLS,
   OPTION_UNRESOLVED_SYMBOLS,
   OPTION_WARN_UNRESOLVED_SYMBOLS,
   OPTION_ERROR_UNRESOLVED_SYMBOLS,

+  OPTION_WARN_SHARED_TEXTREL,

   OPTION_REDUCE_MEMORY_OVERHEADS
 };
 
   OPTION_REDUCE_MEMORY_OVERHEADS
 };
 


@@ -226,6 +241,8 @@ static const struct ld_option ld_options[] =
   { {"library-path", required_argument, NULL, 'L'},
     'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
     TWO_DASHES },
   { {"library-path", required_argument, NULL, 'L'},
     'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
     TWO_DASHES },

+  { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
+    '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },

   { {NULL, required_argument, NULL, '\0'},
     'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
   { {"print-map", no_argument, NULL, 'M'},
   { {NULL, required_argument, NULL, '\0'},
     'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
   { {"print-map", no_argument, NULL, 'M'},


@@ -301,6 +318,18 @@ static const struct ld_option ld_options[] =
      OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
     '\0', NULL, N_("Reject input files whose architecture is unknown"),
     TWO_DASHES },
      OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
     '\0', NULL, N_("Reject input files whose architecture is unknown"),
     TWO_DASHES },

+  { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
+    '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
+                  "\t\t\t\tfollowing dynamic libs"), TWO_DASHES },
+  { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
+    '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
+                  "\t\t\t\tin following dynamic libs"), TWO_DASHES },
+  { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
+    '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
+    TWO_DASHES },
+  { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
+    '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
+    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},
   { {"assert", required_argument, NULL, OPTION_ASSERT},
     '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
   { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},


@@ -319,6 +348,8 @@ 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_DYNAMIC_LIST_DATA},
+    '\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 },


@@ -334,6 +365,9 @@ static const struct ld_option ld_options[] =
     TWO_DASHES },
   { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
     '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
     TWO_DASHES },
   { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
     '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},

+  { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
+    '\0', NULL, N_("Treat warnings as errors"),
+    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},
   { {"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},


@@ -344,6 +378,12 @@ 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 },


@@ -374,6 +414,12 @@ static const struct ld_option ld_options[] =
     '\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 },
     '\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 },

+  { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
+    '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
+  { {"default-imported-symver", no_argument, NULL,
+      OPTION_DEFAULT_IMPORTED_SYMVER},
+    '\0', NULL, N_("Create default symbol version for imported 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},
   { {"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},


@@ -417,6 +463,9 @@ static const struct ld_option ld_options[] =
     '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
   { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
     '\0', NULL, NULL, NO_HELP },
     '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
   { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
     '\0', NULL, NULL, NO_HELP },

+  { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
+    '\0', N_("name|alignment"), 
+    N_("Sort sections by name or maximum alignment"), 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 },
   { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
     '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
     TWO_DASHES },


@@ -458,6 +507,14 @@ 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},


@@ -470,24 +527,18 @@ static const struct ld_option ld_options[] =
   { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
     '\0', NULL, N_("Warn if start of section changes due to alignment"),
     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 },

+  { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
+    '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
+    TWO_DASHES },

   { {"warn-unresolved-symbols", no_argument, NULL,
      OPTION_WARN_UNRESOLVED_SYMBOLS},
     '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
   { {"error-unresolved-symbols", no_argument, NULL,
      OPTION_ERROR_UNRESOLVED_SYMBOLS},
     '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
   { {"warn-unresolved-symbols", no_argument, NULL,
      OPTION_WARN_UNRESOLVED_SYMBOLS},
     '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
   { {"error-unresolved-symbols", no_argument, NULL,
      OPTION_ERROR_UNRESOLVED_SYMBOLS},
     '\0', NULL, N_("Report unresolved symbols as errors"), 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 },
   { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
     '\0', NULL, N_("Include all objects from following archives"),
     TWO_DASHES },

-  { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
-    '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
-    TWO_DASHES },
-  { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
-    '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
-    TWO_DASHES },

   { {"wrap", required_argument, NULL, OPTION_WRAP},
     '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
 };
   { {"wrap", required_argument, NULL, OPTION_WRAP},
     '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
 };


@@ -637,6 +688,8 @@ 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"));
 


@@ -722,6 +775,9 @@ parse_args (unsigned argc, char **argv)
        case OPTION_DYNAMIC_LINKER:
          command_line.interpreter = optarg;
          break;
        case OPTION_DYNAMIC_LINKER:
          command_line.interpreter = optarg;
          break;

+       case OPTION_SYSROOT:
+         /* Already handled in ldmain.c.  */
+         break;

        case OPTION_EB:
          command_line.endian = ENDIAN_BIG;
          break;
        case OPTION_EB:
          command_line.endian = ENDIAN_BIG;
          break;


@@ -778,7 +834,10 @@ 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 ();


@@ -821,7 +880,10 @@ 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;


@@ -886,6 +948,12 @@ parse_args (unsigned argc, char **argv)
        case OPTION_NO_UNDEFINED_VERSION:
          link_info.allow_undefined_version = FALSE;
          break;
        case OPTION_NO_UNDEFINED_VERSION:
          link_info.allow_undefined_version = FALSE;
          break;

+       case OPTION_DEFAULT_SYMVER:
+         link_info.create_default_symver = TRUE;
+         break;
+       case OPTION_DEFAULT_IMPORTED_SYMVER:
+         link_info.default_imported_symver = TRUE;
+         break;

        case OPTION_NO_WARN_MISMATCH:
          command_line.warn_mismatch = FALSE;
          break;
        case OPTION_NO_WARN_MISMATCH:
          command_line.warn_mismatch = FALSE;
          break;


@@ -1058,6 +1126,15 @@ parse_args (unsigned argc, char **argv)
        case OPTION_SORT_COMMON:
          config.sort_common = TRUE;
          break;
        case OPTION_SORT_COMMON:
          config.sort_common = TRUE;
          break;

+       case OPTION_SORT_SECTION:
+         if (strcmp (optarg, N_("name")) == 0)
+           sort_section = by_name;
+         else if (strcmp (optarg, N_("alignment")) == 0)
+           sort_section = by_alignment;
+         else
+           einfo (_("%P%F: invalid section sorting option: %s\n"),
+                  optarg);
+         break;

        case OPTION_STATS:
          config.stats = TRUE;
          break;
        case OPTION_STATS:
          config.stats = TRUE;
          break;


@@ -1107,13 +1184,13 @@ parse_args (unsigned argc, char **argv)
          ldemul_list_emulation_options (stdout);
          exit (0);
        case OPTION_TBSS:
          ldemul_list_emulation_options (stdout);
          exit (0);
        case OPTION_TBSS:

-         set_section_start (".bss", optarg);
+         set_segment_start (".bss", optarg);

          break;
        case OPTION_TDATA:
          break;
        case OPTION_TDATA:

-         set_section_start (".data", optarg);
+         set_segment_start (".data", optarg);

          break;
        case OPTION_TTEXT:
          break;
        case OPTION_TTEXT:

-         set_section_start (".text", optarg);
+         set_segment_start (".text", optarg);

          break;
        case OPTION_TRADITIONAL_FORMAT:
          link_info.traditional_format = TRUE;
          break;
        case OPTION_TRADITIONAL_FORMAT:
          link_info.traditional_format = TRUE;


@@ -1175,6 +1252,33 @@ 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:
+         link_info.dynamic_data = TRUE;
+         link_info.dynamic = TRUE;
+         break;
+       case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
+         lang_append_dynamic_list_cpp_typeinfo ();
+         link_info.dynamic = TRUE;
+         break;
+       case OPTION_DYNAMIC_LIST_CPP_NEW:
+         lang_append_dynamic_list_cpp_new ();
+         link_info.dynamic = TRUE;
+         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 ();
+         }
+         link_info.dynamic = TRUE;
+         break;

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


@@ -1193,9 +1297,18 @@ parse_args (unsigned argc, char **argv)
        case OPTION_WARN_SECTION_ALIGN:
          config.warn_section_align = TRUE;
          break;
        case OPTION_WARN_SECTION_ALIGN:
          config.warn_section_align = TRUE;
          break;

+       case OPTION_WARN_SHARED_TEXTREL:
+         link_info.warn_shared_textrel = TRUE;
+         break;

        case OPTION_WHOLE_ARCHIVE:
          whole_archive = TRUE;
          break;
        case OPTION_WHOLE_ARCHIVE:
          whole_archive = TRUE;
          break;

+       case OPTION_ADD_NEEDED:
+         add_needed = TRUE;
+         break;
+       case OPTION_NO_ADD_NEEDED:
+         add_needed = FALSE;
+         break;

        case OPTION_AS_NEEDED:
          as_needed = TRUE;
          break;
        case OPTION_AS_NEEDED:
          as_needed = TRUE;
          break;


@@ -1215,7 +1328,7 @@ 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);


@@ -1275,7 +1388,7 @@ 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;


@@ -1340,8 +1453,44 @@ set_section_start (char *sect, char *valstr)
   bfd_vma val = bfd_scan_vma (valstr, &end, 16);
   if (*end)
     einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
   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));
+  lang_section_start (sect, exp_intop (val), NULL);
+}
+
+static void
+set_segment_start (const char *section, char *valstr)
+{
+  const char *name;
+  const char *end;
+  segment_type *seg;
+
+  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
+  if (*end)
+    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
+  /* If we already have an entry for this segment, update the existing
+     value.  */
+  name = section + 1;
+  for (seg = segments; seg; seg = seg->next)
+    if (strcmp (seg->name, name) == 0)
+      {
+       seg->value = val;
+       return;
+      }
+  /* There was no existing value so we must create a new segment
+     entry.  */
+  seg = stat_alloc (sizeof (*seg));
+  seg->name = name;
+  seg->value = val;
+  seg->used = FALSE;
+  /* Add it to the linked list of segments.  */
+  seg->next = segments;
+  segments = seg;
+  /* Historically, -Ttext and friends set the base address of a
+     particular section.  For backwards compatibility, we still do
+     that.  If a SEGMENT_START directive is seen, the section address
+     assignment will be disabled.  */
+  lang_section_start (section, exp_intop (val), seg);

 }
 }

+

 \f
 /* Print help messages for the options.  */
 
 \f
 /* Print help messages for the options.  */
 


@@ -1350,6 +1499,7 @@ 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);
 


@@ -1359,7 +1509,6 @@ 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 ("  ");


@@ -1432,6 +1581,10 @@ 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.  */