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-rw-r--r--gdb/main.c320
1 files changed, 167 insertions, 153 deletions
diff --git a/gdb/main.c b/gdb/main.c
index b5daec3..26a97cd 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
}
}