diff options
Diffstat (limited to 'gdb/main.c')
| -rw-r--r-- | gdb/main.c | 320 |
1 files changed, 167 insertions, 153 deletions
diff --git a/gdb/main.c b/gdb/main.c index b5daec3a018..26a97cd697a 100644 --- a/gdb/main.c +++ b/gdb/main.c @@ -2,21 +2,22 @@ Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 1999 Free Software Foundation, Inc. -This file is part of GDB. + 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 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. + 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. */ + 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 "top.h" @@ -45,9 +46,9 @@ int display_time; int display_space; /* Whether this is the async version or not. The async version is -invoked on the command line with the -nw --async options. In this -version, the usual command_loop is substituted by and event loop which -processes UI events asynchronously. */ + invoked on the command line with the -nw --async options. In this + version, the usual command_loop is substituted by and event loop which + processes UI events asynchronously. */ int async_p = 1; /* Whether this is the command line version or not */ @@ -73,11 +74,11 @@ static void print_gdb_help PARAMS ((GDB_FILE *)); out files to be edited by another program. */ extern int enable_external_editor; -extern char * external_editor_command; +extern char *external_editor_command; #ifdef __CYGWIN__ -#include <windows.h> /* for MAX_PATH */ -#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */ +#include <windows.h> /* for MAX_PATH */ +#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */ #endif int @@ -113,7 +114,7 @@ main (argc, argv) int dirsize; /* Number of elements used. */ int ndir; - + struct stat homebuf, cwdbuf; char *homedir, *homeinit; @@ -140,9 +141,10 @@ main (argc, argv) #endif /* If error() is called from initialization code, just exit */ - if (SET_TOP_LEVEL ()) { - exit(1); - } + if (SET_TOP_LEVEL ()) + { + exit (1); + } cmdsize = 1; cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); @@ -163,13 +165,13 @@ main (argc, argv) /* not yet */ gdb_stdout = stdio_fileopen (stdout); gdb_stderr = stdio_fileopen (stderr); - gdb_stdlog = gdb_stderr; /* for moment */ - gdb_stdtarg = gdb_stderr; /* for moment */ + gdb_stdlog = gdb_stderr; /* for moment */ + gdb_stdtarg = gdb_stderr; /* for moment */ #else gdb_stdout = tui_fileopen (stdout); gdb_stderr = tui_fileopen (stderr); - gdb_stdlog = gdb_stdout; /* for moment */ - gdb_stdtarg = gdb_stderr; /* for moment */ + gdb_stdlog = gdb_stdout; /* for moment */ + gdb_stdtarg = gdb_stderr; /* for moment */ #endif /* Parse arguments and options. */ @@ -179,61 +181,61 @@ main (argc, argv) short option (or arbitrary numbers starting at 10 for those with no equivalent). */ static struct option long_options[] = - { - {"async", no_argument, &async_p, 1}, - {"noasync", no_argument, &async_p, 0}, + { + {"async", no_argument, &async_p, 1}, + {"noasync", no_argument, &async_p, 0}, #if defined(TUI) - {"tui", no_argument, &tui_version, 1}, + {"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'}, - {"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}, - {"write", no_argument, &write_files, 1}, + {"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'}, + {"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}, + {"write", no_argument, &write_files, 1}, /* Allow machine descriptions to add more options... */ #ifdef ADDITIONAL_OPTIONS - ADDITIONAL_OPTIONS + ADDITIONAL_OPTIONS #endif - {0, no_argument, 0, 0} - }; + {0, no_argument, 0, 0} + }; while (1) { @@ -288,7 +290,7 @@ main (argc, argv) if (ncmd >= cmdsize) { cmdsize *= 2; - cmdarg = (char **) xrealloc ((char *)cmdarg, + cmdarg = (char **) xrealloc ((char *) cmdarg, cmdsize * sizeof (*cmdarg)); } break; @@ -297,7 +299,7 @@ main (argc, argv) if (ndir >= dirsize) { dirsize *= 2; - dirarg = (char **) xrealloc ((char *)dirarg, + dirarg = (char **) xrealloc ((char *) dirarg, dirsize * sizeof (*dirarg)); } break; @@ -316,7 +318,7 @@ main (argc, argv) if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on - current_target) until after initialize_all_files(). */ + current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, @@ -333,23 +335,23 @@ main (argc, argv) if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on - current_target) until after initialize_all_files(). */ + current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, - "warning: could not set timeout limit to `%s'.\n", optarg); + "warning: could not set timeout limit to `%s'.\n", optarg); else remote_timeout = i; } break; #ifdef ADDITIONAL_OPTION_CASES - ADDITIONAL_OPTION_CASES + ADDITIONAL_OPTION_CASES #endif case '?': fprintf_unfiltered (gdb_stderr, - "Use `%s --help' for a complete list of options.\n", - argv[0]); + "Use `%s --help' for a complete list of options.\n", + argv[0]); exit (1); } } @@ -369,7 +371,7 @@ main (argc, argv) window system. */ if (tui_version) use_windows = 0; -#endif +#endif /* OK, that's all the options. The other arguments are filenames. */ count = 0; @@ -385,8 +387,8 @@ main (argc, argv) break; case 3: fprintf_unfiltered (gdb_stderr, - "Excess command line arguments ignored. (%s%s)\n", - argv[optind], (optind == argc - 1) ? "" : " ..."); + "Excess command line arguments ignored. (%s%s)\n", + argv[optind], (optind == argc - 1) ? "" : " ..."); break; } if (batch) @@ -423,12 +425,12 @@ main (argc, argv) if (!quiet) { /* Print all the junk at the top, with trailing "..." if we are about - to read a symbol file (possibly slowly). */ + 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 */ + wrap_here (""); + gdb_flush (gdb_stdout); /* Force to screen during slow operations */ } error_pre_print = "\n\n"; @@ -443,18 +445,18 @@ main (argc, argv) debugging or what directory you are in. */ #ifdef __CYGWIN32__ { - char * tmp = getenv ("HOME"); - + char *tmp = getenv ("HOME"); + if (tmp != NULL) { - homedir = (char *) alloca (MAX_PATH+1); - cygwin32_conv_to_posix_path (tmp, homedir); + homedir = (char *) alloca (MAX_PATH + 1); + cygwin32_conv_to_posix_path (tmp, homedir); } else homedir = NULL; } #else - homedir = getenv ("HOME"); + homedir = getenv ("HOME"); #endif if (homedir) { @@ -472,16 +474,16 @@ main (argc, argv) 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). */ - + 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. */ + stat (gdbinit, &cwdbuf); /* We'll only need this if + homedir was set. */ } /* Now perform all the actions indicated by the arguments. */ @@ -497,7 +499,7 @@ main (argc, argv) for (i = 0; i < ndir; i++) if (!SET_TOP_LEVEL ()) directory_command (dirarg[i], 0); - free ((PTR)dirarg); + free ((PTR) dirarg); do_cleanups (ALL_CLEANUPS); if (execarg != NULL @@ -505,7 +507,7 @@ main (argc, argv) && 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. */ + it, better only print one error message. */ if (!SET_TOP_LEVEL ()) { exec_file_command (execarg, !batch); @@ -557,7 +559,7 @@ main (argc, argv) /* 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) @@ -573,7 +575,7 @@ main (argc, argv) { /* 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*/ + undocumented. ezannoni: 1999-05-04 */ #if 0 if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') read_command_file (stdin); @@ -583,10 +585,10 @@ main (argc, argv) do_cleanups (ALL_CLEANUPS); } } - free ((PTR)cmdarg); + free ((PTR) cmdarg); /* Read in the old history after all the command files have been read. */ - init_history(); + init_history (); if (batch) { @@ -632,7 +634,7 @@ main (argc, argv) { if (!SET_TOP_LEVEL ()) { - do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ + 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(). */ @@ -640,7 +642,7 @@ main (argc, argv) command_loop_hook (); else command_loop (); - quit_command ((char *)0, instream == stdin); + quit_command ((char *) 0, instream == stdin); } } /* No exit -- exit is through quit_command. */ @@ -654,24 +656,24 @@ main (argc, argv) static void print_gdb_help (stream) - GDB_FILE *stream; + GDB_FILE *stream; { - fputs_unfiltered ("\ + 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 ("\ + fputs_unfiltered ("\ --[no]async Enable (disable) asynchronous version of CLI\n\ ", stream); - fputs_unfiltered ("\ + 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 ("\ + 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\ @@ -679,40 +681,40 @@ Options:\n\n\ --fullname Output information used by emacs-GDB interface.\n\ --help Print this message.\n\ ", stream); - fputs_unfiltered ("\ + 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 ("\ + 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 ("\ + fputs_unfiltered ("\ --tui Use a terminal user interface.\n\ ", stream); #endif - fputs_unfiltered ("\ + fputs_unfiltered ("\ --version Print version information and then exit.\n\ -w Use a window interface.\n\ --write Set writing into executable and core files.\n\ --xdb XDB compatibility mode.\n\ ", stream); #ifdef ADDITIONAL_OPTION_HELP - fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); + fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); #endif - fputs_unfiltered ("\n\ + 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); } - + /* All TUI 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 @@ -744,39 +746,51 @@ tui_file_fputs (linebuffer, file) 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); - } - + 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), file); - strcat(stream->ts_strbuf, linebuffer); - } else fputs (linebuffer, stream->ts_filestream); + if (stream->ts_streamtype == astring) + { + gdb_file_adjust_strbuf (strlen (linebuffer), file); + strcat (stream->ts_strbuf, linebuffer); + } + else + fputs (linebuffer, stream->ts_filestream); #endif } } |