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; }
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; }
static int captured_main (void *data) { struct captured_main_args *context = data; int argc = context->argc; char **argv = context->argv; int count; static int quiet = 0; static int batch = 0; static int set_args = 0; /* Pointers to various arguments from command line. */ char *symarg = NULL; char *execarg = NULL; char *corearg = NULL; char *cdarg = NULL; char *ttyarg = NULL; /* These are static so that we can take their address in an initializer. */ static int print_help; static int print_version; /* Pointers to all arguments of --command option. */ char **cmdarg; /* Allocated size of cmdarg. */ int cmdsize; /* Number of elements of cmdarg used. */ int ncmd; /* Indices of all arguments of --directory option. */ char **dirarg; /* Allocated size. */ int dirsize; /* Number of elements used. */ int ndir; struct stat homebuf, cwdbuf; char *homedir, *homeinit; register int i; long time_at_startup = 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); START_PROGRESS (argv[0], 0); #ifdef MPW /* Do all Mac-specific setup. */ mac_init (); #endif /* MPW */ /* This needs to happen before the first use of malloc. */ init_malloc ((PTR) NULL); #if defined (ALIGN_STACK_ON_STARTUP) i = (int) &count & 0x3; if (i != 0) alloca (4 - i); #endif cmdsize = 1; cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); ncmd = 0; dirsize = 1; dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); ndir = 0; quit_flag = 0; line = (char *) xmalloc (linesize); line[0] = '\0'; /* Terminate saved (now empty) cmd line */ instream = stdin; getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); current_directory = gdb_dirbuf; gdb_stdout = stdio_fileopen (stdout); gdb_stderr = stdio_fileopen (stderr); gdb_stdlog = gdb_stderr; /* for moment */ gdb_stdtarg = gdb_stderr; /* for moment */ /* initialize error() */ error_init (); /* Parse arguments and options. */ { int c; /* When var field is 0, use flag field to record the equivalent short option (or arbitrary numbers starting at 10 for those with no equivalent). */ static struct option long_options[] = { {"async", no_argument, &event_loop_p, 1}, {"noasync", no_argument, &event_loop_p, 0}, #if defined(TUI) {"tui", no_argument, &tui_version, 1}, #endif {"xdb", no_argument, &xdb_commands, 1}, {"dbx", no_argument, &dbx_commands, 1}, {"readnow", no_argument, &readnow_symbol_files, 1}, {"r", no_argument, &readnow_symbol_files, 1}, {"mapped", no_argument, &mapped_symbol_files, 1}, {"m", no_argument, &mapped_symbol_files, 1}, {"quiet", no_argument, &quiet, 1}, {"q", no_argument, &quiet, 1}, {"silent", no_argument, &quiet, 1}, {"nx", no_argument, &inhibit_gdbinit, 1}, {"n", no_argument, &inhibit_gdbinit, 1}, {"batch", no_argument, &batch, 1}, {"epoch", no_argument, &epoch_interface, 1}, /* This is a synonym for "--annotate=1". --annotate is now preferred, but keep this here for a long time because people will be running emacses which use --fullname. */ {"fullname", no_argument, 0, 'f'}, {"f", no_argument, 0, 'f'}, {"annotate", required_argument, 0, 12}, {"help", no_argument, &print_help, 1}, {"se", required_argument, 0, 10}, {"symbols", required_argument, 0, 's'}, {"s", required_argument, 0, 's'}, {"exec", required_argument, 0, 'e'}, {"e", required_argument, 0, 'e'}, {"core", required_argument, 0, 'c'}, {"c", required_argument, 0, 'c'}, {"pid", required_argument, 0, 'p'}, {"p", required_argument, 0, 'p'}, {"command", required_argument, 0, 'x'}, {"version", no_argument, &print_version, 1}, {"x", required_argument, 0, 'x'}, #ifdef GDBTK {"tclcommand", required_argument, 0, 'z'}, {"enable-external-editor", no_argument, 0, 'y'}, {"editor-command", required_argument, 0, 'w'}, #endif {"ui", required_argument, 0, 'i'}, {"interpreter", required_argument, 0, 'i'}, {"i", required_argument, 0, 'i'}, {"directory", required_argument, 0, 'd'}, {"d", required_argument, 0, 'd'}, {"cd", required_argument, 0, 11}, {"tty", required_argument, 0, 't'}, {"baud", required_argument, 0, 'b'}, {"b", required_argument, 0, 'b'}, {"nw", no_argument, &use_windows, 0}, {"nowindows", no_argument, &use_windows, 0}, {"w", no_argument, &use_windows, 1}, {"windows", no_argument, &use_windows, 1}, {"statistics", no_argument, 0, 13}, {"write", no_argument, &write_files, 1}, {"args", no_argument, &set_args, 1}, /* Allow machine descriptions to add more options... */ #ifdef ADDITIONAL_OPTIONS ADDITIONAL_OPTIONS #endif {0, no_argument, 0, 0} }; while (1) { int option_index; c = getopt_long_only (argc, argv, "", long_options, &option_index); if (c == EOF || set_args) break; /* Long option that takes an argument. */ if (c == 0 && long_options[option_index].flag == 0) c = long_options[option_index].val; switch (c) { case 0: /* Long option that just sets a flag. */ break; case 10: symarg = optarg; execarg = optarg; break; case 11: cdarg = optarg; break; case 12: /* FIXME: what if the syntax is wrong (e.g. not digits)? */ annotation_level = atoi (optarg); break; case 13: /* Enable the display of both time and space usage. */ display_time = 1; display_space = 1; break; case 'f': annotation_level = 1; /* We have probably been invoked from emacs. Disable window interface. */ use_windows = 0; break; case 's': symarg = optarg; break; case 'e': execarg = optarg; break; case 'c': corearg = optarg; break; case 'p': /* "corearg" is shared by "--core" and "--pid" */ corearg = optarg; break; case 'x': cmdarg[ncmd++] = optarg; if (ncmd >= cmdsize) { cmdsize *= 2; cmdarg = (char **) xrealloc ((char *) cmdarg, cmdsize * sizeof (*cmdarg)); } break; #ifdef GDBTK case 'z': { extern int gdbtk_test (char *); if (!gdbtk_test (optarg)) { fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), argv[0], optarg); exit (1); } break; } case 'y': /* Backwards compatibility only. */ break; case 'w': { external_editor_command = xstrdup (optarg); break; } #endif /* GDBTK */ case 'i': interpreter_p = optarg; break; case 'd': dirarg[ndir++] = optarg; if (ndir >= dirsize) { dirsize *= 2; dirarg = (char **) xrealloc ((char *) dirarg, dirsize * sizeof (*dirarg)); } break; case 't': ttyarg = optarg; break; case 'q': quiet = 1; break; case 'b': { int i; char *p; i = strtol (optarg, &p, 0); if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, _("warning: could not set baud rate to `%s'.\n"), optarg); else baud_rate = i; } break; case 'l': { int i; char *p; i = strtol (optarg, &p, 0); if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, _("warning: could not set timeout limit to `%s'.\n"), optarg); else remote_timeout = i; } break; #ifdef ADDITIONAL_OPTION_CASES ADDITIONAL_OPTION_CASES #endif case '?': fprintf_unfiltered (gdb_stderr, _("Use `%s --help' for a complete list of options.\n"), argv[0]); exit (1); } } /* If --help or --version, disable window interface. */ if (print_help || print_version) { use_windows = 0; #ifdef TUI /* Disable the TUI as well. */ tui_version = 0; #endif } #ifdef TUI /* An explicit --tui flag overrides the default UI, which is the window system. */ if (tui_version) use_windows = 0; #endif if (set_args) { /* The remaining options are the command-line options for the inferior. The first one is the sym/exec file, and the rest are arguments. */ if (optind >= argc) { fprintf_unfiltered (gdb_stderr, _("%s: `--args' specified but no program specified\n"), argv[0]); exit (1); } symarg = argv[optind]; execarg = argv[optind]; ++optind; set_inferior_args_vector (argc - optind, &argv[optind]); } else { /* OK, that's all the options. The other arguments are filenames. */ count = 0; for (; optind < argc; optind++) switch (++count) { case 1: symarg = argv[optind]; execarg = argv[optind]; break; case 2: /* The documentation says this can be a "ProcID" as well. We will try it as both a corefile and a pid. */ corearg = argv[optind]; break; case 3: fprintf_unfiltered (gdb_stderr, _("Excess command line arguments ignored. (%s%s)\n"), argv[optind], (optind == argc - 1) ? "" : " ..."); break; } } if (batch) quiet = 1; } /* Initialize all files. Give the interpreter a chance to take control of the console via the init_ui_hook()) */ gdb_init (argv[0]); /* Do these (and anything which might call wrap_here or *_filtered) after initialize_all_files. */ if (print_version) { print_gdb_version (gdb_stdout); wrap_here (""); printf_filtered ("\n"); exit (0); } if (print_help) { print_gdb_help (gdb_stdout); fputs_unfiltered ("\n", gdb_stdout); exit (0); } if (!quiet) { /* Print all the junk at the top, with trailing "..." if we are about to read a symbol file (possibly slowly). */ print_gdb_version (gdb_stdout); if (symarg) printf_filtered (".."); wrap_here (""); gdb_flush (gdb_stdout); /* Force to screen during slow operations */ } error_pre_print = "\n\n"; quit_pre_print = error_pre_print; /* We may get more than one warning, don't double space all of them... */ warning_pre_print = _("\nwarning: "); /* Read and execute $HOME/.gdbinit file, if it exists. This is done *before* all the command line arguments are processed; it sets global parameters, which are independent of what file you are debugging or what directory you are in. */ homedir = getenv ("HOME"); if (homedir) { homeinit = (char *) alloca (strlen (homedir) + strlen (gdbinit) + 10); strcpy (homeinit, homedir); strcat (homeinit, "/"); strcat (homeinit, gdbinit); if (!inhibit_gdbinit) { catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL); } /* Do stats; no need to do them elsewhere since we'll only need them if homedir is set. Make sure that they are zero in case one of them fails (this guarantees that they won't match if either exists). */ memset (&homebuf, 0, sizeof (struct stat)); memset (&cwdbuf, 0, sizeof (struct stat)); stat (homeinit, &homebuf); stat (gdbinit, &cwdbuf); /* We'll only need this if homedir was set. */ } /* Now perform all the actions indicated by the arguments. */ if (cdarg != NULL) { catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); } for (i = 0; i < ndir; i++) catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL); xfree (dirarg); if (execarg != NULL && symarg != NULL && STREQ (execarg, symarg)) { /* The exec file and the symbol-file are the same. If we can't open it, better only print one error message. catch_command_errors returns non-zero on success! */ if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL)) catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); } else { if (execarg != NULL) catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); if (symarg != NULL) catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); } /* After the symbol file has been read, print a newline to get us beyond the copyright line... But errors should still set off the error message with a (single) blank line. */ if (!quiet) printf_filtered ("\n"); error_pre_print = "\n"; quit_pre_print = error_pre_print; warning_pre_print = _("\nwarning: "); if (corearg != NULL) { /* corearg may be either a corefile or a pid. If its first character is a digit, try attach first and then corefile. Otherwise try corefile first. */ if (isdigit (corearg[0])) { if (catch_command_errors (attach_command, corearg, !batch, RETURN_MASK_ALL) == 0) catch_command_errors (core_file_command, corearg, !batch, RETURN_MASK_ALL); } else /* Can't be a pid, better be a corefile. */ catch_command_errors (core_file_command, corearg, !batch, RETURN_MASK_ALL); } if (ttyarg != NULL) catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); #ifdef ADDITIONAL_OPTION_HANDLER ADDITIONAL_OPTION_HANDLER; #endif /* Error messages should no longer be distinguished with extra output. */ error_pre_print = NULL; quit_pre_print = NULL; warning_pre_print = _("warning: "); /* Read the .gdbinit file in the current directory, *if* it isn't the same as the $HOME/.gdbinit file (it should exist, also). */ if (!homedir || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) if (!inhibit_gdbinit) { catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL); } for (i = 0; i < ncmd; i++) { #if 0 /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that expanded into a call to setjmp(). */ if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ { /* NOTE: I am commenting this out, because it is not clear where this feature is used. It is very old and undocumented. ezannoni: 1999-05-04 */ #if 0 if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') read_command_file (stdin); else #endif source_command (cmdarg[i], !batch); do_cleanups (ALL_CLEANUPS); } #endif catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL); } xfree (cmdarg); /* Read in the old history after all the command files have been read. */ init_history (); if (batch) { /* We have hit the end of the batch file. */ exit (0); } /* Do any host- or target-specific hacks. This is used for i960 targets to force the user to set a nindy target and spec its parameters. */ #ifdef BEFORE_MAIN_LOOP_HOOK BEFORE_MAIN_LOOP_HOOK; #endif END_PROGRESS (argv[0]); /* Show time and/or space usage. */ if (display_time) { long init_time = get_run_time () - time_at_startup; printf_unfiltered (_("Startup time: %ld.%06ld\n"), init_time / 1000000, init_time % 1000000); } if (display_space) { #ifdef HAVE_SBRK extern char **environ; char *lim = (char *) sbrk (0); printf_unfiltered (_("Startup size: data size %ld\n"), (long) (lim - (char *) &environ)); #endif } #if 0 /* FIXME: cagney/1999-11-06: The original main loop was like: */ while (1) { if (!SET_TOP_LEVEL ()) { do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ /* GUIs generally have their own command loop, mainloop, or whatever. This is a good place to gain control because many error conditions will end up here via longjmp(). */ if (command_loop_hook) command_loop_hook (); else command_loop (); quit_command ((char *) 0, instream == stdin); } } /* NOTE: If the command_loop() returned normally, the loop would attempt to exit by calling the function quit_command(). That function would either call exit() or throw an error returning control to SET_TOP_LEVEL. */ /* NOTE: The function do_cleanups() was called once each time round the loop. The usefulness of the call isn't clear. If an error was thrown, everything would have already been cleaned up. If command_loop() returned normally and quit_command() was called, either exit() or error() (again cleaning up) would be called. */ #endif /* NOTE: cagney/1999-11-07: There is probably no reason for not moving this loop and the code found in captured_command_loop() into the command_loop() proper. The main thing holding back that change - SET_TOP_LEVEL() - has been eliminated. */ while (1) { catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); } /* No exit -- exit is through quit_command. */ }