{ {"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 },
+ '\0', N_("FILE/DIR"), N_("Write a linker map to FILE or DIR/<outputname>.map"), 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_("Use C++ typeinfo dynamic list"), TWO_DASHES },
{ {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
'\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
+ { {"export-dynamic-symbol", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL},
+ '\0', N_("SYMBOL"), N_("Export the specified symbol"), EXACTLY_TWO_DASHES },
+ { {"export-dynamic-symbol-list", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL_LIST},
+ '\0', N_("FILE"), N_("Read export dynamic symbol list"), EXACTLY_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-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"),
+ { {"warn-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
+ '\0', NULL,
+#if DEFAULT_LD_TEXTREL_CHECK_WARNING
+ N_("Warn if outpout has DT_TEXTREL (default)"),
+#else
+ N_("Warn if outpout has DT_TEXTREL"),
+#endif
TWO_DASHES },
+ { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
+ '\0', NULL, NULL, NO_HELP },
{ {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
'\0', NULL, N_("Warn if an object has alternate ELF machine code"),
TWO_DASHES },
dynamic_list_data,
dynamic_list
} opt_dynamic_list = dynamic_list_unset;
+ struct bfd_elf_dynamic_list *export_list = NULL;
shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
longopts = (struct option *)
break;
case OPTION_DYNAMIC_LIST_DATA:
opt_dynamic_list = dynamic_list_data;
- if (opt_symbolic == symbolic)
- opt_symbolic = symbolic_unset;
break;
case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
lang_append_dynamic_list_cpp_typeinfo ();
if (opt_dynamic_list != dynamic_list_data)
opt_dynamic_list = dynamic_list;
- if (opt_symbolic == symbolic)
- opt_symbolic = symbolic_unset;
break;
case OPTION_DYNAMIC_LIST_CPP_NEW:
lang_append_dynamic_list_cpp_new ();
if (opt_dynamic_list != dynamic_list_data)
opt_dynamic_list = dynamic_list;
- if (opt_symbolic == symbolic)
- opt_symbolic = symbolic_unset;
break;
case OPTION_DYNAMIC_LIST:
/* This option indicates a small script that only specifies
ldfile_open_command_file (optarg);
saved_script_handle = hold_script_handle;
parser_input = input_dynamic_list;
+ current_dynamic_list_p = &link_info.dynamic_list;
yyparse ();
}
if (opt_dynamic_list != dynamic_list_data)
opt_dynamic_list = dynamic_list;
- if (opt_symbolic == symbolic)
- opt_symbolic = symbolic_unset;
+ break;
+ case OPTION_EXPORT_DYNAMIC_SYMBOL:
+ {
+ struct bfd_elf_version_expr *expr
+ = lang_new_vers_pattern (NULL, xstrdup (optarg), NULL,
+ FALSE);
+ lang_append_dynamic_list (&export_list, expr);
+ }
+ break;
+ case OPTION_EXPORT_DYNAMIC_SYMBOL_LIST:
+ /* This option indicates a small script that only specifies
+ an export 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;
+ current_dynamic_list_p = &export_list;
+ yyparse ();
+ }
break;
case OPTION_WARN_COMMON:
config.warn_common = TRUE;
case OPTION_WARN_SECTION_ALIGN:
config.warn_section_align = TRUE;
break;
- case OPTION_WARN_SHARED_TEXTREL:
- link_info.warn_shared_textrel = TRUE;
+ case OPTION_WARN_TEXTREL:
+ link_info.textrel_check = textrel_check_warning;
break;
case OPTION_WARN_ALTERNATE_EM:
link_info.warn_alternate_em = TRUE;
case 'Y':
if (CONST_STRNEQ (optarg, "P,"))
optarg += 2;
- if (default_dirlist != NULL)
- free (default_dirlist);
+ free (default_dirlist);
default_dirlist = xstrdup (optarg);
break;
case 'y':
}
}
+ /* Run a couple of checks on the map filename. */
+ if (config.map_filename)
+ {
+ if (config.map_filename[0] == 0)
+ {
+ einfo (_("%P: no file/directory name provided for map output; ignored\n"));
+ config.map_filename = NULL;
+ }
+ else
+ {
+ struct stat s;
+
+ /* If the map filename is actually a directory then create
+ a file inside it, based upon the output filename. */
+ if (stat (config.map_filename, &s) >= 0
+ && S_ISDIR (s.st_mode))
+ {
+ char * new_name;
+
+ /* FIXME: This is a (trivial) memory leak. */
+ if (asprintf (&new_name, "%s/%s.map",
+ config.map_filename, output_filename) < 0)
+ {
+ /* If this alloc fails then something is probably very
+ wrong. Better to halt now rather than continue on
+ into more problems. */
+ einfo (_("%P%F: cannot create name for linker map file: %E\n"));
+ new_name = NULL;
+ }
+
+ config.map_filename = new_name;
+ }
+ }
+ }
+
if (command_line.soname && command_line.soname[0] == '\0')
{
einfo (_("%P: SONAME must not be empty string; ignored\n"));
&& command_line.check_section_addresses < 0)
command_line.check_section_addresses = 0;
+ if (export_list)
+ {
+ struct bfd_elf_version_expr *head = export_list->head.list;
+ struct bfd_elf_version_expr *next;
+
+ /* For --export-dynamic-symbol[-list]:
+ 1. When building executable, treat like --dynamic-list.
+ 2. When building shared object:
+ a. If -Bsymbolic or --dynamic-list are used, treat like
+ --dynamic-list.
+ b. Otherwise, ignored.
+ */
+ if (!bfd_link_relocatable (&link_info)
+ && (bfd_link_executable (&link_info)
+ || opt_symbolic != symbolic_unset
+ || opt_dynamic_list != dynamic_list_unset))
+ {
+ /* Append the export list to link_info.dynamic_list. */
+ if (link_info.dynamic_list)
+ {
+ for (next = head; next->next != NULL; next = next->next)
+ ;
+ next->next = link_info.dynamic_list->head.list;
+ link_info.dynamic_list->head.list = head;
+ }
+ else
+ link_info.dynamic_list = export_list;
+
+ if (opt_dynamic_list != dynamic_list_data)
+ opt_dynamic_list = dynamic_list;
+ }
+ else
+ {
+ /* Free the export list. */
+ for (; head->next != NULL; head = next)
+ {
+ next = head->next;
+ free (head);
+ }
+ free (export_list);
+ }
+ }
+
+ switch (opt_dynamic_list)
+ {
+ case dynamic_list_unset:
+ break;
+ case dynamic_list_data:
+ link_info.dynamic_data = TRUE;
+ /* Fall through. */
+ case dynamic_list:
+ link_info.dynamic = TRUE;
+ opt_symbolic = symbolic_unset;
+ break;
+ }
+
/* -Bsymbolic and -Bsymbols-functions are for shared library output. */
if (bfd_link_dll (&link_info))
switch (opt_symbolic)
free (link_info.dynamic_list);
link_info.dynamic_list = NULL;
}
- opt_dynamic_list = dynamic_list_unset;
break;
case symbolic_functions:
- opt_dynamic_list = dynamic_list_data;
+ link_info.dynamic = TRUE;
+ link_info.dynamic_data = TRUE;
break;
}
- switch (opt_dynamic_list)
- {
- case dynamic_list_unset:
- break;
- case dynamic_list_data:
- link_info.dynamic_data = TRUE;
- /* Fall through. */
- case dynamic_list:
- link_info.dynamic = TRUE;
- break;
- }
-
if (!bfd_link_dll (&link_info))
{
if (command_line.filter_shlib)
fprintf (file, _("\
--exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
fprintf (file, _("\
- --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
+ --hash-style=STYLE Set hash style to sysv/gnu/both. Default: "));
+ if (DEFAULT_EMIT_SYSV_HASH)
+ {
+ /* Note - these strings are not translated as
+ they are keywords not descriptive text. */
+ if (DEFAULT_EMIT_GNU_HASH)
+ fprintf (file, "both\n");
+ else
+ fprintf (file, "sysv\n");
+ }
+ else
+ {
+ if (DEFAULT_EMIT_GNU_HASH)
+ fprintf (file, "gnu\n");
+ else
+ /* FIXME: Can this happen ? */
+ fprintf (file, "none\n");
+ }
fprintf (file, _("\
-P AUDITLIB, --depaudit=AUDITLIB\n" "\
Specify a library to use for auditing dependencies\n"));
-z nocommon Generate common symbols with STT_OBJECT type\n"));
fprintf (file, _("\
-z stack-size=SIZE Set size of stack segment\n"));
- fprintf (file, _("\
- -z text Treat DT_TEXTREL in shared object as error\n"));
- fprintf (file, _("\
- -z notext Don't treat DT_TEXTREL in shared object as error\n"));
- fprintf (file, _("\
- -z textoff Don't treat DT_TEXTREL in shared object as error\n"));
+ if (link_info.textrel_check == textrel_check_error)
+ fprintf (file, _("\
+ -z text Treat DT_TEXTREL in output as error (default)\n"));
+ else
+ fprintf (file, _("\
+ -z text Treat DT_TEXTREL in output as error\n"));
+ if (link_info.textrel_check == textrel_check_none)
+ {
+ fprintf (file, _("\
+ -z notext Don't treat DT_TEXTREL in output as error (default)\n"));
+ fprintf (file, _("\
+ -z textoff Don't treat DT_TEXTREL in output as error (default)\n"));
+ }
+ else
+ {
+ fprintf (file, _("\
+ -z notext Don't treat DT_TEXTREL in output as error\n"));
+ fprintf (file, _("\
+ -z textoff Don't treat DT_TEXTREL in output as error\n"));
+ }
}
static void
projects / deliverable / binutils-gdb.git / blobdiff