예제 #1
0
int
main (int argc, char **argv)
{
  char *emulation;
  long start_time = get_run_time ();

#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
  setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
  setlocale (LC_CTYPE, "");
#endif
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  program_name = argv[0];
  xmalloc_set_program_name (program_name);

  START_PROGRESS (program_name, 0);

  expandargv (&argc, &argv);

  bfd_init ();

  bfd_set_error_program_name (program_name);

  xatexit (ld_cleanup);

  /* Set up the sysroot directory.  */
  ld_sysroot = get_sysroot (argc, argv);
  if (*ld_sysroot)
    {
      if (*TARGET_SYSTEM_ROOT == 0)
	{
	  einfo ("%P%F: this linker was not configured to use sysroots\n");
	  ld_sysroot = "";
	}
      else
	ld_canon_sysroot = lrealpath (ld_sysroot);
    }
  if (ld_canon_sysroot)
    ld_canon_sysroot_len = strlen (ld_canon_sysroot);
  else
    ld_canon_sysroot_len = -1;

  /* Set the default BFD target based on the configured target.  Doing
     this permits the linker to be configured for a particular target,
     and linked against a shared BFD library which was configured for
     a different target.  The macro TARGET is defined by Makefile.  */
  if (! bfd_set_default_target (TARGET))
    {
      einfo (_("%X%P: can't set BFD default target to `%s': %E\n"), TARGET);
      xexit (1);
    }

#if YYDEBUG
  {
    extern int yydebug;
    yydebug = 1;
  }
#endif

  config.build_constructors = TRUE;
  config.rpath_separator = ':';
  config.split_by_reloc = (unsigned) -1;
  config.split_by_file = (bfd_size_type) -1;
  config.make_executable = TRUE;
  config.magic_demand_paged = TRUE;
  config.text_read_only = TRUE;

  command_line.warn_mismatch = TRUE;
  command_line.warn_search_mismatch = TRUE;
  command_line.check_section_addresses = -1;
  command_line.disable_target_specific_optimizations = -1;

  /* We initialize DEMANGLING based on the environment variable
     COLLECT_NO_DEMANGLE.  The gcc collect2 program will demangle the
     output of the linker, unless COLLECT_NO_DEMANGLE is set in the
     environment.  Acting the same way here lets us provide the same
     interface by default.  */
  demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;

  link_info.allow_undefined_version = TRUE;
  link_info.keep_memory = TRUE;
  link_info.combreloc = TRUE;
  link_info.strip_discarded = TRUE;
  link_info.emit_hash = TRUE;
  link_info.callbacks = &link_callbacks;
  link_info.input_bfds_tail = &link_info.input_bfds;
  /* SVR4 linkers seem to set DT_INIT and DT_FINI based on magic _init
     and _fini symbols.  We are compatible.  */
  link_info.init_function = "_init";
  link_info.fini_function = "_fini";
  link_info.relax_pass = 1;
  link_info.pei386_auto_import = -1;
  link_info.spare_dynamic_tags = 5;
  link_info.path_separator = ':';

  ldfile_add_arch ("");
  emulation = get_emulation (argc, argv);
  ldemul_choose_mode (emulation);
  default_target = ldemul_choose_target (argc, argv);
  config.maxpagesize = bfd_emul_get_maxpagesize (default_target);
  config.commonpagesize = bfd_emul_get_commonpagesize (default_target);
  lang_init ();
  ldemul_before_parse ();
  lang_has_input_file = FALSE;
  parse_args (argc, argv);

  if (config.hash_table_size != 0)
    bfd_hash_set_default_size (config.hash_table_size);

  ldemul_set_symbols ();

  if (link_info.relocatable)
    {
      if (command_line.check_section_addresses < 0)
	command_line.check_section_addresses = 0;
      if (link_info.shared)
	einfo (_("%P%F: -r and -shared may not be used together\n"));
    }

  /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
     --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
     --dynamic-list FILE.  -Bsymbolic and -Bsymbolic-functions are
     for shared libraries.  -Bsymbolic overrides all others and vice
     versa.  */
  switch (command_line.symbolic)
    {
    case symbolic_unset:
      break;
    case symbolic:
      /* -Bsymbolic is for shared library only.  */
      if (link_info.shared)
	{
	  link_info.symbolic = TRUE;
	  /* Should we free the unused memory?  */
	  link_info.dynamic_list = NULL;
	  command_line.dynamic_list = dynamic_list_unset;
	}
      break;
    case symbolic_functions:
      /* -Bsymbolic-functions is for shared library only.  */
      if (link_info.shared)
	command_line.dynamic_list = dynamic_list_data;
      break;
    }

  switch (command_line.dynamic_list)
    {
    case dynamic_list_unset:
      break;
    case dynamic_list_data:
      link_info.dynamic_data = TRUE;
    case dynamic_list:
      link_info.dynamic = TRUE;
      break;
    }

  if (! link_info.shared)
    {
      if (command_line.filter_shlib)
	einfo (_("%P%F: -F may not be used without -shared\n"));
      if (command_line.auxiliary_filters)
	einfo (_("%P%F: -f may not be used without -shared\n"));
    }

  if (! link_info.shared || link_info.pie)
    link_info.executable = TRUE;

  /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols).  I
     don't see how else this can be handled, since in this case we
     must preserve all externally visible symbols.  */
  if (link_info.relocatable && link_info.strip == strip_all)
    {
      link_info.strip = strip_debugger;
      if (link_info.discard == discard_sec_merge)
	link_info.discard = discard_all;
    }

  /* If we have not already opened and parsed a linker script,
     try the default script from command line first.  */
  if (saved_script_handle == NULL
      && command_line.default_script != NULL)
    {
      ldfile_open_command_file (command_line.default_script);
      parser_input = input_script;
      yyparse ();
    }

  /* If we have not already opened and parsed a linker script
     read the emulation's appropriate default script.  */
  if (saved_script_handle == NULL)
    {
      int isfile;
      char *s = ldemul_get_script (&isfile);

      if (isfile)
	ldfile_open_default_command_file (s);
      else
	{
	  lex_string = s;
	  lex_redirect (s);
	}
      parser_input = input_script;
      yyparse ();
      lex_string = NULL;
    }

  if (trace_file_tries)
    {
      if (saved_script_handle)
	info_msg (_("using external linker script:"));
      else
	info_msg (_("using internal linker script:"));
      info_msg ("\n==================================================\n");

      if (saved_script_handle)
	{
	  static const int ld_bufsz = 8193;
	  size_t n;
	  char *buf = (char *) xmalloc (ld_bufsz);

	  rewind (saved_script_handle);
	  while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0)
	    {
	      buf[n] = 0;
	      info_msg (buf);
	    }
	  rewind (saved_script_handle);
	  free (buf);
	}
      else
	{
	  int isfile;

	  info_msg (ldemul_get_script (&isfile));
	}

      info_msg ("\n==================================================\n");
    }

  lang_final ();

  if (!lang_has_input_file)
    {
      if (version_printed)
	xexit (0);
      einfo (_("%P%F: no input files\n"));
    }

  if (trace_files)
    info_msg (_("%P: mode %s\n"), emulation);

  ldemul_after_parse ();

  if (config.map_filename)
    {
      if (strcmp (config.map_filename, "-") == 0)
	{
	  config.map_file = stdout;
	}
      else
	{
	  config.map_file = fopen (config.map_filename, FOPEN_WT);
	  if (config.map_file == (FILE *) NULL)
	    {
	      bfd_set_error (bfd_error_system_call);
	      einfo (_("%P%F: cannot open map file %s: %E\n"),
		     config.map_filename);
	    }
	}
    }

  lang_process ();

  /* Print error messages for any missing symbols, for any warning
     symbols, and possibly multiple definitions.  */
  if (link_info.relocatable)
    link_info.output_bfd->flags &= ~EXEC_P;
  else
    link_info.output_bfd->flags |= EXEC_P;

  ldwrite ();

  if (config.map_file != NULL)
    lang_map ();
  if (command_line.cref)
    output_cref (config.map_file != NULL ? config.map_file : stdout);
  if (nocrossref_list != NULL)
    check_nocrossrefs ();

  lang_finish ();

  /* Even if we're producing relocatable output, some non-fatal errors should
     be reported in the exit status.  (What non-fatal errors, if any, do we
     want to ignore for relocatable output?)  */
  if (!config.make_executable && !force_make_executable)
    {
      if (trace_files)
	einfo (_("%P: link errors found, deleting executable `%s'\n"),
	       output_filename);

      /* The file will be removed by remove_output.  */
      xexit (1);
    }
  else
    {
      if (! bfd_close (link_info.output_bfd))
	einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd);

      /* If the --force-exe-suffix is enabled, and we're making an
	 executable file and it doesn't end in .exe, copy it to one
	 which does.  */
      if (! link_info.relocatable && command_line.force_exe_suffix)
	{
	  int len = strlen (output_filename);

	  if (len < 4
	      || (strcasecmp (output_filename + len - 4, ".exe") != 0
		  && strcasecmp (output_filename + len - 4, ".dll") != 0))
	    {
	      FILE *src;
	      FILE *dst;
	      const int bsize = 4096;
	      char *buf = (char *) xmalloc (bsize);
	      int l;
	      char *dst_name = (char *) xmalloc (len + 5);

	      strcpy (dst_name, output_filename);
	      strcat (dst_name, ".exe");
	      src = fopen (output_filename, FOPEN_RB);
	      dst = fopen (dst_name, FOPEN_WB);

	      if (!src)
		einfo (_("%X%P: unable to open for source of copy `%s'\n"),
		       output_filename);
	      if (!dst)
		einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
		       dst_name);
	      while ((l = fread (buf, 1, bsize, src)) > 0)
		{
		  int done = fwrite (buf, 1, l, dst);

		  if (done != l)
		    einfo (_("%P: Error writing file `%s'\n"), dst_name);
		}

	      fclose (src);
	      if (fclose (dst) == EOF)
		einfo (_("%P: Error closing file `%s'\n"), dst_name);
	      free (dst_name);
	      free (buf);
	    }
	}
    }

  END_PROGRESS (program_name);

  if (config.stats)
    {
#ifdef HAVE_SBRK
      char *lim = (char *) sbrk (0);
#endif
      long run_time = get_run_time () - start_time;

      fflush (stdout);
      fprintf (stderr, _("%s: total time in link: %ld.%06ld\n"),
	       program_name, run_time / 1000000, run_time % 1000000);
#ifdef HAVE_SBRK
      fprintf (stderr, _("%s: data size %ld\n"), program_name,
	       (long) (lim - (char *) &environ));
#endif
      fflush (stderr);
    }

  /* Prevent remove_output from doing anything, after a successful link.  */
  output_filename = NULL;

  xexit (0);
  return 0;
}
예제 #2
0
int
run_tests (const char **test_data)
{
  int argc_after, argc_before;
  char ** argv_before, ** argv_after;
  int i, j, k, fails, failed;

  i = j = fails = 0;
  /* Loop over all the tests */
  while (test_data[j])
    {
      /* Write test data */
      writeout_test (i, test_data[j++]);
      /* Copy argv before */
      argv_before = dupargv ((char **) &test_data[j]);

      /* Count argc before/after */
      argc_before = 0;
      argc_after = 0;
      while (test_data[j + argc_before])
        argc_before++;
      j += argc_before + 1; /* Skip null */
      while (test_data[j + argc_after])
        argc_after++;

      /* Copy argv after */
      argv_after = dupargv ((char **) &test_data[j]);

      /* Run all possible replaces */
      for (k = 0; k < argc_before; k++)
        run_replaces (argv_before[k]);
      for (k = 0; k < argc_after; k++)
        run_replaces (argv_after[k]);

      /* Run test: Expand arguments */
      expandargv (&argc_before, &argv_before);

      failed = 0;
      /* Compare size first */
      if (argc_before != argc_after)
        {
          printf ("FAIL: test-expandargv-%d. Number of arguments don't match.\n", i);
	  failed++;
        }
      /* Compare each of the argv's ... */
      else
        for (k = 0; k < argc_after; k++)
          if (strcmp (argv_before[k], argv_after[k]) != 0)
            {
              printf ("FAIL: test-expandargv-%d. Arguments don't match.\n", i);
              failed++;
            }

      if (!failed)
        printf ("PASS: test-expandargv-%d.\n", i);
      else
        fails++;

      freeargv (argv_before);
      freeargv (argv_after);
      /* Advance to next test */
      j += argc_after + 1;
      /* Erase test file */
      erase_test (i);
      i++;
    }
  return fails;
}
예제 #3
0
파일: ldmain.c 프로젝트: msmania/gdb
int
main (int argc, char **argv)
{
  char *emulation;
  long start_time = get_run_time ();
#ifdef HAVE_SBRK
  char *start_sbrk = (char *) sbrk (0);
#endif

#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
  setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
  setlocale (LC_CTYPE, "");
#endif
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  program_name = argv[0];
  xmalloc_set_program_name (program_name);

  START_PROGRESS (program_name, 0);

  expandargv (&argc, &argv);

  bfd_init ();

  bfd_set_error_program_name (program_name);

  /* We want to notice and fail on those nasty BFD assertions which are
     likely to signal incorrect output being generated but otherwise may
     leave no trace.  */
  default_bfd_assert_handler = bfd_set_assert_handler (ld_bfd_assert_handler);

  xatexit (ld_cleanup);

  /* Set up the sysroot directory.  */
  ld_sysroot = get_sysroot (argc, argv);
  if (*ld_sysroot)
    ld_canon_sysroot = lrealpath (ld_sysroot);
  if (ld_canon_sysroot)
    ld_canon_sysroot_len = strlen (ld_canon_sysroot);
  else
    ld_canon_sysroot_len = -1;

  /* Set the default BFD target based on the configured target.  Doing
     this permits the linker to be configured for a particular target,
     and linked against a shared BFD library which was configured for
     a different target.  The macro TARGET is defined by Makefile.  */
  if (! bfd_set_default_target (TARGET))
    {
      einfo (_("%X%P: can't set BFD default target to `%s': %E\n"), TARGET);
      xexit (1);
    }

#if YYDEBUG
  {
    extern int yydebug;
    yydebug = 1;
  }
#endif

  config.build_constructors = TRUE;
  config.rpath_separator = ':';
  config.split_by_reloc = (unsigned) -1;
  config.split_by_file = (bfd_size_type) -1;
  config.make_executable = TRUE;
  config.magic_demand_paged = TRUE;
  config.text_read_only = TRUE;
  link_info.disable_target_specific_optimizations = -1;

  command_line.warn_mismatch = TRUE;
  command_line.warn_search_mismatch = TRUE;
  command_line.check_section_addresses = -1;

  /* We initialize DEMANGLING based on the environment variable
     COLLECT_NO_DEMANGLE.  The gcc collect2 program will demangle the
     output of the linker, unless COLLECT_NO_DEMANGLE is set in the
     environment.  Acting the same way here lets us provide the same
     interface by default.  */
  demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;

  link_info.allow_undefined_version = TRUE;
  link_info.keep_memory = TRUE;
  link_info.combreloc = TRUE;
  link_info.strip_discarded = TRUE;
  link_info.emit_hash = TRUE;
  link_info.callbacks = &link_callbacks;
  link_info.input_bfds_tail = &link_info.input_bfds;
  /* SVR4 linkers seem to set DT_INIT and DT_FINI based on magic _init
     and _fini symbols.  We are compatible.  */
  link_info.init_function = "_init";
  link_info.fini_function = "_fini";
  link_info.relax_pass = 1;
  link_info.extern_protected_data = -1;
  link_info.dynamic_undefined_weak = -1;
  link_info.pei386_auto_import = -1;
  link_info.spare_dynamic_tags = 5;
  link_info.path_separator = ':';
#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
  link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
#endif

  ldfile_add_arch ("");
  emulation = get_emulation (argc, argv);
  ldemul_choose_mode (emulation);
  default_target = ldemul_choose_target (argc, argv);
  config.maxpagesize = bfd_emul_get_maxpagesize (default_target);
  config.commonpagesize = bfd_emul_get_commonpagesize (default_target);
  lang_init ();
  ldexp_init ();
  ldemul_before_parse ();
  lang_has_input_file = FALSE;
  parse_args (argc, argv);

  if (config.hash_table_size != 0)
    bfd_hash_set_default_size (config.hash_table_size);

#ifdef ENABLE_PLUGINS
  /* Now all the plugin arguments have been gathered, we can load them.  */
  plugin_load_plugins ();
#endif /* ENABLE_PLUGINS */

  ldemul_set_symbols ();

  /* If we have not already opened and parsed a linker script,
     try the default script from command line first.  */
  if (saved_script_handle == NULL
      && command_line.default_script != NULL)
    {
      ldfile_open_command_file (command_line.default_script);
      parser_input = input_script;
      yyparse ();
    }

  /* If we have not already opened and parsed a linker script
     read the emulation's appropriate default script.  */
  if (saved_script_handle == NULL)
    {
      int isfile;
      char *s = ldemul_get_script (&isfile);

      if (isfile)
	ldfile_open_default_command_file (s);
      else
	{
	  lex_string = s;
	  lex_redirect (s, _("built in linker script"), 1);
	}
      parser_input = input_script;
      yyparse ();
      lex_string = NULL;
    }

  if (verbose)
    {
      if (saved_script_handle)
	info_msg (_("using external linker script:"));
      else
	info_msg (_("using internal linker script:"));
      info_msg ("\n==================================================\n");

      if (saved_script_handle)
	{
	  static const int ld_bufsz = 8193;
	  size_t n;
	  char *buf = (char *) xmalloc (ld_bufsz);

	  rewind (saved_script_handle);
	  while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0)
	    {
	      buf[n] = 0;
	      info_msg (buf);
	    }
	  rewind (saved_script_handle);
	  free (buf);
	}
      else
	{
	  int isfile;

	  info_msg (ldemul_get_script (&isfile));
	}

      info_msg ("\n==================================================\n");
    }

  if (command_line.print_output_format)
    info_msg ("%s\n", lang_get_output_target ());

  lang_final ();

  /* If the only command line argument has been -v or --version or --verbose
     then ignore any input files provided by linker scripts and exit now.
     We do not want to create an output file when the linker is just invoked
     to provide version information.  */
  if (argc == 2 && version_printed)
    xexit (0);

  if (!lang_has_input_file)
    {
      if (version_printed || command_line.print_output_format)
	xexit (0);
      einfo (_("%P%F: no input files\n"));
    }

  if (trace_files)
    info_msg (_("%P: mode %s\n"), emulation);

  ldemul_after_parse ();

  if (config.map_filename)
    {
      if (strcmp (config.map_filename, "-") == 0)
	{
	  config.map_file = stdout;
	}
      else
	{
	  config.map_file = fopen (config.map_filename, FOPEN_WT);
	  if (config.map_file == (FILE *) NULL)
	    {
	      bfd_set_error (bfd_error_system_call);
	      einfo (_("%P%F: cannot open map file %s: %E\n"),
		     config.map_filename);
	    }
	}
    }

  lang_process ();

  /* Print error messages for any missing symbols, for any warning
     symbols, and possibly multiple definitions.  */
  if (bfd_link_relocatable (&link_info))
    link_info.output_bfd->flags &= ~EXEC_P;
  else
    link_info.output_bfd->flags |= EXEC_P;

  if ((link_info.compress_debug & COMPRESS_DEBUG))
    {
      link_info.output_bfd->flags |= BFD_COMPRESS;
      if (link_info.compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
	link_info.output_bfd->flags |= BFD_COMPRESS_GABI;
    }

  ldwrite ();

  if (config.map_file != NULL)
    lang_map ();
  if (command_line.cref)
    output_cref (config.map_file != NULL ? config.map_file : stdout);
  if (nocrossref_list != NULL)
    check_nocrossrefs ();
  if (command_line.print_memory_usage)
    lang_print_memory_usage ();
#if 0
  {
    struct bfd_link_hash_entry * h;

    h = bfd_link_hash_lookup (link_info.hash, "__image_base__", 0,0,1);
    fprintf (stderr, "lookup = %p val %lx\n", h, h ? h->u.def.value : 1);
  }
#endif
  ldexp_finish ();
  lang_finish ();

  /* Even if we're producing relocatable output, some non-fatal errors should
     be reported in the exit status.  (What non-fatal errors, if any, do we
     want to ignore for relocatable output?)  */
  if (!config.make_executable && !force_make_executable)
    {
      if (trace_files)
	einfo (_("%P: link errors found, deleting executable `%s'\n"),
	       output_filename);

      /* The file will be removed by ld_cleanup.  */
      xexit (1);
    }
  else
    {
      if (! bfd_close (link_info.output_bfd))
	einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd);

      /* If the --force-exe-suffix is enabled, and we're making an
	 executable file and it doesn't end in .exe, copy it to one
	 which does.  */
      if (!bfd_link_relocatable (&link_info)
	  && command_line.force_exe_suffix)
	{
	  int len = strlen (output_filename);

	  if (len < 4
	      || (strcasecmp (output_filename + len - 4, ".exe") != 0
		  && strcasecmp (output_filename + len - 4, ".dll") != 0))
	    {
	      FILE *src;
	      FILE *dst;
	      const int bsize = 4096;
	      char *buf = (char *) xmalloc (bsize);
	      int l;
	      char *dst_name = (char *) xmalloc (len + 5);

	      strcpy (dst_name, output_filename);
	      strcat (dst_name, ".exe");
	      src = fopen (output_filename, FOPEN_RB);
	      dst = fopen (dst_name, FOPEN_WB);

	      if (!src)
		einfo (_("%P%F: unable to open for source of copy `%s'\n"),
		       output_filename);
	      if (!dst)
		einfo (_("%P%F: unable to open for destination of copy `%s'\n"),
		       dst_name);
	      while ((l = fread (buf, 1, bsize, src)) > 0)
		{
		  int done = fwrite (buf, 1, l, dst);

		  if (done != l)
		    einfo (_("%P: Error writing file `%s'\n"), dst_name);
		}

	      fclose (src);
	      if (fclose (dst) == EOF)
		einfo (_("%P: Error closing file `%s'\n"), dst_name);
	      free (dst_name);
	      free (buf);
	    }
	}
    }

  END_PROGRESS (program_name);

  if (config.stats)
    {
#ifdef HAVE_SBRK
      char *lim = (char *) sbrk (0);
#endif
      long run_time = get_run_time () - start_time;

      fflush (stdout);
      fprintf (stderr, _("%s: total time in link: %ld.%06ld\n"),
	       program_name, run_time / 1000000, run_time % 1000000);
#ifdef HAVE_SBRK
      fprintf (stderr, _("%s: data size %ld\n"), program_name,
	       (long) (lim - start_sbrk));
#endif
      fflush (stderr);
    }

  /* Prevent ld_cleanup from doing anything, after a successful link.  */
  output_filename = NULL;

  xexit (0);
  return 0;
}
예제 #4
0
파일: cxxfilt.c 프로젝트: msmania/gdb
int
main (int argc, char **argv)
{
    int c;
    const char *valid_symbols;
    enum demangling_styles style = auto_demangling;

    program_name = argv[0];
    xmalloc_set_program_name (program_name);
    bfd_set_error_program_name (program_name);

    expandargv (&argc, &argv);

    while ((c = getopt_long (argc, argv, "_hinps:tv", long_options, (int *) 0)) != EOF)
    {
        switch (c)
        {
        case '?':
            usage (stderr, 1);
            break;
        case 'h':
            usage (stdout, 0);
        case 'n':
            strip_underscore = 0;
            break;
        case 'p':
            flags &= ~ DMGL_PARAMS;
            break;
        case 't':
            flags |= DMGL_TYPES;
            break;
        case 'i':
            flags &= ~ DMGL_VERBOSE;
            break;
        case 'v':
            print_version ("c++filt");
            return 0;
        case '_':
            strip_underscore = 1;
            break;
        case 's':
            style = cplus_demangle_name_to_style (optarg);
            if (style == unknown_demangling)
            {
                fprintf (stderr, "%s: unknown demangling style `%s'\n",
                         program_name, optarg);
                return 1;
            }
            cplus_demangle_set_style (style);
            break;
        }
    }

    if (optind < argc)
    {
        for ( ; optind < argc; optind++)
        {
            demangle_it (argv[optind]);
            putchar ('\n');
        }

        return 0;
    }

    switch (current_demangling_style)
    {
    case gnu_demangling:
    case lucid_demangling:
    case arm_demangling:
    case java_demangling:
    case edg_demangling:
    case gnat_demangling:
    case gnu_v3_demangling:
    case dlang_demangling:
    case auto_demangling:
        valid_symbols = standard_symbol_characters ();
        break;
    case hp_demangling:
        valid_symbols = hp_symbol_characters ();
        break;
    default:
        /* Folks should explicitly indicate the appropriate alphabet for
        each demangling.  Providing a default would allow the
         question to go unconsidered.  */
        fatal ("Internal error: no symbol alphabet for current style");
    }

    for (;;)
    {
        static char mbuffer[32767];
        unsigned i = 0;

        c = getchar ();
        /* Try to read a mangled name.  */
        while (c != EOF && (ISALNUM (c) || strchr (valid_symbols, c)))
        {
            if (i >= sizeof (mbuffer) - 1)
                break;
            mbuffer[i++] = c;
            c = getchar ();
        }

        if (i > 0)
        {
            mbuffer[i] = 0;
            demangle_it (mbuffer);
        }

        if (c == EOF)
            break;

        /* Echo the whitespace characters so that the output looks
        like the input, only with the mangled names demangled.  */
        putchar (c);
        if (c == '\n')
            fflush (stdout);
    }

    fflush (stdout);
    return 0;
}
예제 #5
0
int
main (int argc, char **argv)
{
  int c;
  int i;

  char **saved_argv = 0;
  int cmdline_len = 0;

  int export_all = 0;

  int *dlltool_arg_indices;
  int *driver_arg_indices;

  char *driver_flags = 0;
  char *output_lib_file_name = 0;

  dyn_string_t dlltool_cmdline;
  dyn_string_t driver_cmdline;

  int def_file_seen = 0;

  char *image_base_str = 0;

  prog_name = argv[0];

#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
  setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
  setlocale (LC_CTYPE, "");
#endif
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  expandargv (&argc, &argv);

  saved_argv = (char **) xmalloc (argc * sizeof (char*));
  dlltool_arg_indices = (int *) xmalloc (argc * sizeof (int));
  driver_arg_indices = (int *) xmalloc (argc * sizeof (int));
  for (i = 0; i < argc; ++i)
    {
      size_t len = strlen (argv[i]);
      char *arg = (char *) xmalloc (len + 1);
      strcpy (arg, argv[i]);
      cmdline_len += len;
      saved_argv[i] = arg;
      dlltool_arg_indices[i] = 0;
      driver_arg_indices[i] = 1;
    }
  cmdline_len++;

  /* We recognize dllwrap and dlltool options, and everything else is
     passed onto the language driver (eg., to GCC). We collect options
     to dlltool and driver in dlltool_args and driver_args.  */

  opterr = 0;
  while ((c = getopt_long_only (argc, argv, "nkAqve:Uho:l:L:I:",
				long_options, (int *) 0)) != EOF)
    {
      int dlltool_arg;
      int driver_arg;
      int single_word_option_value_pair;

      dlltool_arg = 0;
      driver_arg = 1;
      single_word_option_value_pair = 0;

      if (c != '?')
	{
	  /* We recognize this option, so it has to be either dllwrap or
	     dlltool option. Do not pass to driver unless it's one of the
	     generic options that are passed to all the tools (such as -v)
	     which are dealt with later.  */
	  driver_arg = 0;
	}

      /* deal with generic and dllwrap options first.  */
      switch (c)
	{
	case 'h':
	  usage (stdout, 0);
	  break;
	case 'q':
	  verbose = 0;
	  break;
	case 'v':
	  verbose = 1;
	  break;
	case OPTION_VERSION:
	  print_version (prog_name);
	  break;
	case 'e':
	  entry_point = optarg;
	  break;
	case OPTION_IMAGE_BASE:
	  image_base_str = optarg;
	  break;
	case OPTION_DEF:
	  def_file_name = optarg;
	  def_file_seen = 1;
	  delete_def_file = 0;
	  break;
	case 'n':
	  dontdeltemps = 1;
	  dlltool_arg = 1;
	  break;
	case 'o':
	  dll_file_name = optarg;
	  break;
	case 'I':
	case 'l':
	case 'L':
	  driver_arg = 1;
	  break;
	case OPTION_DLLNAME:
	  dll_name = optarg;
	  break;
	case OPTION_DRY_RUN:
	  dry_run = 1;
	  break;
	case OPTION_DRIVER_NAME:
	  driver_name = optarg;
	  break;
	case OPTION_DRIVER_FLAGS:
	  driver_flags = optarg;
	  break;
	case OPTION_DLLTOOL_NAME:
	  dlltool_name = optarg;
	  break;
	case OPTION_TARGET:
	  target = optarg;
	  break;
	case OPTION_MNO_CYGWIN:
	  target = "i386-mingw32";
	  break;
	case OPTION_NO_LEADING_UNDERSCORE:
	  is_leading_underscore = 0;
	  break;
	case OPTION_LEADING_UNDERSCORE:
	  is_leading_underscore = 1;
	  break;
	case OPTION_BASE_FILE:
	  base_file_name = optarg;
	  delete_base_file = 0;
	  break;
	case OPTION_OUTPUT_EXP:
	  exp_file_name = optarg;
	  delete_exp_file = 0;
	  break;
	case OPTION_EXPORT_ALL_SYMS:
	  export_all = 1;
	  break;
	case OPTION_OUTPUT_LIB:
	  output_lib_file_name = optarg;
	  break;
	case '?':
	  break;
	default:
	  dlltool_arg = 1;
	  break;
	}

      /* Handle passing through --option=value case.  */
      if (optarg
	  && saved_argv[optind-1][0] == '-'
	  && saved_argv[optind-1][1] == '-'
	  && strchr (saved_argv[optind-1], '='))
	single_word_option_value_pair = 1;

      if (dlltool_arg)
	{
	  dlltool_arg_indices[optind-1] = 1;
	  if (optarg && ! single_word_option_value_pair)
	    {
	      dlltool_arg_indices[optind-2] = 1;
	    }
	}

      if (! driver_arg)
	{
	  driver_arg_indices[optind-1] = 0;
	  if (optarg && ! single_word_option_value_pair)
	    {
	      driver_arg_indices[optind-2] = 0;
	    }
	}
    }

  /* Sanity checks.  */
  if (! dll_name && ! dll_file_name)
    {
      warn (_("Must provide at least one of -o or --dllname options"));
      exit (1);
    }
  else if (! dll_name)
    {
      dll_name = xstrdup (mybasename (dll_file_name));
    }
  else if (! dll_file_name)
    {
      dll_file_name = xstrdup (dll_name);
    }

  /* Deduce driver-name and dlltool-name from our own.  */
  if (driver_name == NULL)
    driver_name = deduce_name ("gcc");

  if (dlltool_name == NULL)
    dlltool_name = deduce_name ("dlltool");

  if (! def_file_seen)
    {
      char *fileprefix = choose_temp_base ();

      def_file_name = (char *) xmalloc (strlen (fileprefix) + 5);
      sprintf (def_file_name, "%s.def",
	       (dontdeltemps) ? mybasename (fileprefix) : fileprefix);
      delete_def_file = 1;
      free (fileprefix);
      delete_def_file = 1;
      warn (_("no export definition file provided.\n\
Creating one, but that may not be what you want"));
    }