diff options
author | John Gilmore <gnu@cygnus> | 1992-02-21 01:35:32 +0000 |
---|---|---|
committer | John Gilmore <gnu@cygnus> | 1992-02-21 01:35:32 +0000 |
commit | ee0613d186dc9956209bd99f3f5f86ad8069366f (patch) | |
tree | 9ea6288316301f73fb44f0306b6d2ba9d85ebf51 /gdb/main.c | |
parent | e17960fb42997fc740d0f74544be9713a0209878 (diff) | |
download | gdb-ee0613d186dc9956209bd99f3f5f86ad8069366f.zip gdb-ee0613d186dc9956209bd99f3f5f86ad8069366f.tar.gz gdb-ee0613d186dc9956209bd99f3f5f86ad8069366f.tar.bz2 |
* core.c, exec.c, solib.c: Rename target_ops sections =>
to_sections, etc.
* infcmd.c, inflow.c, infptrace.c, infrun.c, main.c, target.c,
target.h: target_kill takes no args.
Diffstat (limited to 'gdb/main.c')
-rw-r--r-- | gdb/main.c | 117 |
1 files changed, 57 insertions, 60 deletions
@@ -1,5 +1,5 @@ /* Top level `main' program for GDB, the GNU debugger. - Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc. + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992 Free Software Foundation, Inc. This file is part of GDB. @@ -43,7 +43,9 @@ int fclose (); #endif #include <string.h> +#ifndef NO_SYS_FILE #include <sys/file.h> +#endif #include <setjmp.h> #include <sys/param.h> #include <sys/stat.h> @@ -82,6 +84,10 @@ extern char *error_pre_print; extern char lang_frame_mismatch_warn[]; /* language.c */ +/* Whether GDB's stdin is on a terminal. */ + +extern int gdb_has_a_terminal; /* inflow.c */ + /* Flag for whether we want all the "from_tty" gubbish printed. */ int caution = 1; /* Default is yes, sigh. */ @@ -383,33 +389,40 @@ main (argc, argv) with no equivalent). */ static struct option long_options[] = { - {"quiet", 0, &quiet, 1}, - {"nx", 0, &inhibit_gdbinit, 1}, - {"batch", 0, &batch, 1}, - {"epoch", 0, &epoch_interface, 1}, - {"fullname", 0, &frame_file_full_name, 1}, - {"help", 0, &print_help, 1}, - {"se", 1, 0, 10}, - {"symbols", 1, 0, 's'}, - {"s", 1, 0, 's'}, - {"exec", 1, 0, 'e'}, - {"core", 1, 0, 'c'}, - {"c", 1, 0, 'c'}, - {"command", 1, 0, 'x'}, - {"x", 1, 0, 'x'}, - {"directory", 1, 0, 'd'}, - {"cd", 1, 0, 11}, - {"tty", 1, 0, 't'}, - {"b", 1, 0, 'b'}, + {"quiet", no_argument, &quiet, 1}, + {"q", 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}, + {"fullname", no_argument, &frame_file_full_name, 1}, + {"f", no_argument, &frame_file_full_name, 1}, + {"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'}, + {"command", required_argument, 0, 'x'}, + {"x", required_argument, 0, 'x'}, + {"directory", required_argument, 0, 'd'}, + {"cd", required_argument, 0, 11}, + {"tty", required_argument, 0, 't'}, + {"baud", required_argument, 0, 'b'}, + {"b", required_argument, 0, 'b'}, /* Allow machine descriptions to add more options... */ #ifdef ADDITIONAL_OPTIONS ADDITIONAL_OPTIONS #endif - {0, 0, 0, 0}, + {0, no_argument, 0, 0}, }; while (1) { + int option_index; + c = getopt_long_only (argc, argv, "", long_options, &option_index); if (c == EOF) @@ -739,7 +752,7 @@ execute_command (p, from_tty) register struct cmd_list_element *c; register struct command_line *cmdlines; register enum language flang; - static struct language_defn *saved_language = 0; + static const struct language_defn *saved_language = 0; static int warned = 0; free_all_values (); @@ -791,7 +804,7 @@ execute_command (p, from_tty) { if (language_mode == language_mode_auto) { if (saved_language) - language_info (); + language_info (1); /* Print what changed. */ } saved_language = current_language; warned = 0; @@ -1613,7 +1626,7 @@ static void print_gdb_version () { printf_filtered ("\ -GDB %s, Copyright 1991 Free Software Foundation, Inc.", +GDB %s, Copyright 1992 Free Software Foundation, Inc.", version); } @@ -1648,7 +1661,7 @@ quit_command (args, from_tty) { if (query ("The program is running. Quit anyway? ")) { - target_kill (args, from_tty); + target_kill (); } else error ("Not confirmed."); @@ -1659,10 +1672,13 @@ quit_command (args, from_tty) exit (0); } +/* Returns whether GDB is running on a terminal and whether the user + desires that questions be asked of them on that terminal. */ + int input_from_terminal_p () { - return (instream == stdin) & caution; + return gdb_has_a_terminal && (instream == stdin) & caution; } /* ARGSUSED */ @@ -1699,6 +1715,9 @@ cd_command (dir, from_tty) dir = tilde_expand (dir); make_cleanup (free, dir); + if (chdir (dir) < 0) + perror_with_name (dir); + len = strlen (dir); dir = savestring (dir, len - (len > 1 && dir[len-1] == '/')); if (dir[0] == '/') @@ -1738,9 +1757,6 @@ cd_command (dir, from_tty) } } - if (chdir (dir) < 0) - perror_with_name (dir); - forget_cached_source_info (); if (from_tty) @@ -1843,21 +1859,6 @@ show_commands (args, from_tty) struct _hist_entry *history_get(); extern int history_base; -#if 0 - /* This is all reported by individual "show" commands. */ - printf_filtered ("Interactive command editing is %s.\n", - command_editing_p ? "on" : "off"); - - printf_filtered ("History expansion of command input is %s.\n", - history_expansion_p ? "on" : "off"); - printf_filtered ("Writing of a history record upon exit is %s.\n", - write_history_p ? "enabled" : "disabled"); - printf_filtered ("The size of the history list (number of stored commands) is %d.\n", - history_size); - printf_filtered ("The name of the history record is \"%s\".\n\n", - history_filename ? history_filename : ""); -#endif /* 0 */ - /* Print out some of the commands from the command history. */ /* First determine the length of the history list. */ hist_len = history_size; @@ -1879,7 +1880,7 @@ show_commands (args, from_tty) /* "info editing <exp>" should print around command number <exp>. */ num = (parse_and_eval_address (args) - history_base) - Hist_print / 2; } - /* "info editing" means print the last Hist_print commands. */ + /* "show commands" means print the last Hist_print commands. */ else { num = hist_len - Hist_print; @@ -1897,14 +1898,6 @@ show_commands (args, from_tty) num = 0; } -#if 0 - /* No need for a header now that "info editing" only prints one thing. */ - if (num == hist_len - Hist_print) - printf_filtered ("The list of the last %d commands is:\n\n", Hist_print); - else - printf_filtered ("Some of the stored commands are:\n\n"); -#endif /* 0 */ - for (offset = num; offset < num + Hist_print && offset < hist_len; offset++) { printf_filtered ("%5d %s\n", history_base + offset, @@ -1916,8 +1909,8 @@ show_commands (args, from_tty) num += Hist_print; /* If the user repeats this command with return, it should do what - "info editing +" does. This is unnecessary if arg is null, - because "info editing +" is not useful after "info editing". */ + "show commands +" does. This is unnecessary if arg is null, + because "show commands +" is not useful after "show commands". */ if (from_tty && args) { args[0] = '+'; @@ -2153,9 +2146,10 @@ when gdb is started."); add_show_from_set (add_set_cmd ("editing", class_support, var_boolean, (char *)&command_editing_p, - "Set command line editing.\n\ + "Set editing of command lines as they are typed.\n\ Use \"on\" to enable to enable the editing, and \"off\" to disable it.\n\ -Without an argument, command line editing is enabled.", &setlist), +Without an argument, command line editing is enabled. To edit, use\n\ +EMACS-like or VI-like commands like control-P or ESC.", &setlist), &showlist); add_prefix_cmd ("history", class_support, set_history, @@ -2198,19 +2192,22 @@ ie. the number of previous commands to keep a record of.", &sethistlist); &showlist); add_prefix_cmd ("info", class_info, info_command, - "Generic command for printing status.", + "Generic command for showing things about the program being debugged.", &infolist, "info ", 0, &cmdlist); add_com_alias ("i", "info", class_info, 1); add_prefix_cmd ("show", class_info, show_command, - "Generic command for showing things set with \"set\".", + "Generic command for showing things about the debugger.", &showlist, "show ", 0, &cmdlist); /* Another way to get at the same thing. */ add_info ("set", show_command, "Show all GDB settings."); - add_cmd ("commands", no_class, show_commands, "Status of command editor.", + add_cmd ("commands", no_class, show_commands, + "Show the the history of commands you typed.\n\ +You can supply a command number to start with, or a `+' to start after\n\ +the previous command number shown.", &showlist); add_cmd ("version", no_class, show_version, - "Report what version of GDB this is.", &showlist); + "Show what version of GDB this is.", &showlist); } |