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-rw-r--r--gdb/main.c787
1 files changed, 0 insertions, 787 deletions
diff --git a/gdb/main.c b/gdb/main.c
deleted file mode 100644
index 72ebc3e..0000000
--- a/gdb/main.c
+++ /dev/null
@@ -1,787 +0,0 @@
-/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
- Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include <setjmp.h>
-#include "top.h"
-#include "target.h"
-#include "inferior.h"
-#include "call-cmds.h"
-
-#include "getopt.h"
-
-#include <sys/types.h>
-#include "gdb_stat.h"
-#include <ctype.h>
-
-#include "gdb_string.h"
-
-/* Temporary variable for SET_TOP_LEVEL. */
-
-static int top_level_val;
-
-/* Do a setjmp on error_return and quit_return. catch_errors is
- generally a cleaner way to do this, but main() would look pretty
- ugly if it had to use catch_errors each time. */
-
-#define SET_TOP_LEVEL() \
- (((top_level_val = SIGSETJMP (error_return)) \
- ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
- , top_level_val)
-
-/* If nonzero, display time usage both at startup and for each command. */
-
-int display_time;
-
-/* If nonzero, display space usage both at startup and for each command. */
-
-int display_space;
-
-/* Whether this is the command line version or not */
-int tui_version = 0;
-
-/* Whether xdb commands will be handled */
-int xdb_commands = 0;
-
-/* Whether dbx commands will be handled */
-int dbx_commands = 0;
-
-GDB_FILE *gdb_stdout;
-GDB_FILE *gdb_stderr;
-
-static void print_gdb_help PARAMS ((GDB_FILE *));
-extern void gdb_init PARAMS ((char *));
-#ifdef __CYGWIN__
-#include <windows.h> /* for MAX_PATH */
-#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */
-#endif
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- int count;
- static int quiet = 0;
- static int batch = 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 ();
-
- int gdb_file_size;
-
- 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
-
- /* If error() is called from initialization code, just exit */
- if (SET_TOP_LEVEL ()) {
- exit(1);
- }
-
- 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_file_size = sizeof(GDB_FILE);
-
- gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size);
- gdb_stdout->ts_streamtype = afile;
- gdb_stdout->ts_filestream = stdout;
- gdb_stdout->ts_strbuf = NULL;
- gdb_stdout->ts_buflen = 0;
-
- gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size);
- gdb_stderr->ts_streamtype = afile;
- gdb_stderr->ts_filestream = stderr;
- gdb_stderr->ts_strbuf = NULL;
- gdb_stderr->ts_buflen = 0;
-
- /* 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[] =
- {
-#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'},
- {"command", required_argument, 0, 'x'},
- {"version", no_argument, &print_version, 1},
- {"x", required_argument, 0, 'x'},
-/* start-sanitize-gdbtk */
-#ifdef GDBTK
- {"tclcommand", required_argument, 0, 'z'},
-#endif
-/* end-sanitize-gdbtk */
- {"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'},
- {"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},
-/* 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)
- 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 'x':
- cmdarg[ncmd++] = optarg;
- if (ncmd >= cmdsize)
- {
- cmdsize *= 2;
- cmdarg = (char **) xrealloc ((char *)cmdarg,
- cmdsize * sizeof (*cmdarg));
- }
- break;
- /* start-sanitize-gdbtk */
-#ifdef GDBTK
- case 'z':
- {
- extern int gdbtk_test PARAMS ((char *));
- if (!gdbtk_test (optarg))
- {
- fprintf_unfiltered (gdb_stderr, "%s: unable to load tclcommand file \"%s\"",
- argv[0], optarg);
- exit (1);
- }
- break;
- }
-#endif /* GDBTK */
- /* end-sanitize-gdbtk */
- 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;
- }
- 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
-
- /* 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:
- 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;
- }
-
-#if defined(TUI)
- if (tui_version)
- init_ui_hook = tuiInit;
-#endif
- 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. */
-#ifdef __CYGWIN__
- {
- char * tmp = getenv ("HOME");
-
- if (tmp != NULL)
- {
- homedir = (char *) alloca (MAX_PATH+1);
- cygwin32_conv_to_posix_path (tmp, homedir);
- }
- else
- homedir = NULL;
- }
-#else
- homedir = getenv ("HOME");
-#endif
- if (homedir)
- {
- homeinit = (char *) alloca (strlen (homedir) +
- strlen (gdbinit) + 10);
- strcpy (homeinit, homedir);
- strcat (homeinit, "/");
- strcat (homeinit, gdbinit);
-
- if (!inhibit_gdbinit)
- {
- if (!SET_TOP_LEVEL ())
- source_command (homeinit, 0);
- }
- do_cleanups (ALL_CLEANUPS);
-
- /* 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)
- {
- if (!SET_TOP_LEVEL ())
- {
- cd_command (cdarg, 0);
- }
- }
- do_cleanups (ALL_CLEANUPS);
-
- for (i = 0; i < ndir; i++)
- if (!SET_TOP_LEVEL ())
- directory_command (dirarg[i], 0);
- free ((PTR)dirarg);
- do_cleanups (ALL_CLEANUPS);
-
- 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. */
- if (!SET_TOP_LEVEL ())
- {
- exec_file_command (execarg, !batch);
- symbol_file_command (symarg, 0);
- }
- }
- else
- {
- if (execarg != NULL)
- if (!SET_TOP_LEVEL ())
- exec_file_command (execarg, !batch);
- if (symarg != NULL)
- if (!SET_TOP_LEVEL ())
- symbol_file_command (symarg, 0);
- }
- do_cleanups (ALL_CLEANUPS);
-
- /* 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)
- {
- if (!SET_TOP_LEVEL ())
- core_file_command (corearg, !batch);
- else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ())
- attach_command (corearg, !batch);
- }
- do_cleanups (ALL_CLEANUPS);
-
- if (ttyarg != NULL)
- if (!SET_TOP_LEVEL ())
- tty_command (ttyarg, !batch);
- do_cleanups (ALL_CLEANUPS);
-
-#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)
- {
- if (!SET_TOP_LEVEL ())
- source_command (gdbinit, 0);
- }
- do_cleanups (ALL_CLEANUPS);
-
- for (i = 0; i < ncmd; i++)
- {
- if (!SET_TOP_LEVEL ())
- {
- if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0')
- read_command_file (stdin);
- else
- source_command (cmdarg[i], !batch);
- do_cleanups (ALL_CLEANUPS);
- }
- }
- free ((PTR)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
- }
-
- /* The default command loop.
- The WIN32 Gui calls this main to set up gdb's state, and
- has its own command loop. */
-#if !defined _WIN32 || defined __GNUC__
- 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);
- }
- }
-
- /* No exit -- exit is through quit_command. */
-#endif
-
-}
-
-/* Don't use *_filtered for printing help. We don't want to prompt
- for continue no matter how small the screen or how much we're going
- to print. */
-
-static void
-print_gdb_help (stream)
- GDB_FILE *stream;
-{
- fputs_unfiltered ("\
-This is the GNU debugger. Usage:\n\n\
- gdb [options] [executable-file [core-file or process-id]]\n\n\
-Options:\n\n\
-", stream);
- fputs_unfiltered ("\
- -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
- --batch Exit after processing options.\n\
- --cd=DIR Change current directory to DIR.\n\
- --command=FILE Execute GDB commands from FILE.\n\
- --core=COREFILE Analyze the core dump COREFILE.\n\
-", stream);
- fputs_unfiltered ("\
- --dbx DBX compatibility mode.\n\
- --directory=DIR Search for source files in DIR.\n\
- --epoch Output information used by epoch emacs-GDB interface.\n\
- --exec=EXECFILE Use EXECFILE as the executable.\n\
- --fullname Output information used by emacs-GDB interface.\n\
- --help Print this message.\n\
-", stream);
- fputs_unfiltered ("\
- --mapped Use mapped symbol files if supported on this system.\n\
- --nw Do not use a window interface.\n\
- --nx Do not read .gdbinit file.\n\
- --quiet Do not print version number on startup.\n\
- --readnow Fully read symbol files on first access.\n\
-", stream);
- fputs_unfiltered ("\
- --se=FILE Use FILE as symbol file and executable file.\n\
- --symbols=SYMFILE Read symbols from SYMFILE.\n\
- --tty=TTY Use TTY for input/output by the program being debugged.\n\
-", stream);
-#if defined(TUI)
- fputs_unfiltered ("\
- --tui Use a terminal user interface.\n\
-", stream);
-#endif
- fputs_unfiltered ("\
- --version Print version information and then exit.\n\
- --xdb XDB compatibility mode.\n\
-", stream);
-#ifdef ADDITIONAL_OPTION_HELP
- fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream);
-#endif
- fputs_unfiltered ("\n\
-For more information, type \"help\" from within GDB, or consult the\n\
-GDB manual (available as on-line info or a printed manual).\n\
-Report bugs to \"bug-gdb@prep.ai.mit.edu\".\
-", stream);
-}
-
-
-void
-init_proc ()
-{
-}
-
-void
-proc_remove_foreign (pid)
- int pid;
-{
-}
-
-/* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up
- here. The fputs_unfiltered_hook is primarily used by GUIs to collect all
- output and send it to the GUI, instead of the controlling terminal. Only
- output to gdb_stdout and gdb_stderr are sent to the hook. Everything else
- is sent on to fputs to allow file I/O to be handled appropriately. */
-
-void
-fputs_unfiltered (linebuffer, stream)
- const char *linebuffer;
- GDB_FILE *stream;
-{
-#if defined(TUI)
- extern int tui_owns_terminal;
-#endif
- /* If anything (GUI, TUI) wants to capture GDB output, this is
- * the place... the way to do it is to set up
- * fputs_unfiltered_hook.
- * Our TUI ("gdb -tui") used to hook output, but in the
- * new (XDB style) scheme, we do not do that anymore... - RT
- */
- if (fputs_unfiltered_hook
- && (stream == gdb_stdout
- || stream == gdb_stderr))
- fputs_unfiltered_hook (linebuffer, stream);
- else
- {
-#if defined(TUI)
- if (tui_version && tui_owns_terminal) {
- /* If we get here somehow while updating the TUI (from
- * within a tuiDo(), then we need to temporarily
- * set up the terminal for GDB output. This probably just
- * happens on error output.
- */
-
- if (stream->ts_streamtype == astring) {
- gdb_file_adjust_strbuf(strlen(linebuffer), stream);
- strcat(stream->ts_strbuf, linebuffer);
- } else {
- tuiTermUnsetup(0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
- fputs (linebuffer, stream->ts_filestream);
- tuiTermSetup(0);
- if (linebuffer[strlen(linebuffer) - 1] == '\n')
- tuiClearCommandCharCount();
- else
- tuiIncrCommandCharCountBy(strlen(linebuffer));
- }
- } else {
- /* The normal case - just do a fputs() */
- if (stream->ts_streamtype == astring) {
- gdb_file_adjust_strbuf(strlen(linebuffer), stream);
- strcat(stream->ts_strbuf, linebuffer);
- } else fputs (linebuffer, stream->ts_filestream);
- }
-
-
-#else
- if (stream->ts_streamtype == astring) {
- gdb_file_adjust_strbuf(strlen(linebuffer), stream);
- strcat(stream->ts_strbuf, linebuffer);
- } else fputs (linebuffer, stream->ts_filestream);
-#endif
- }
-}
generated by cgit v1.1 at 2024-11-04 15:04:55 +0000