diff options
Diffstat (limited to 'gdb/main.c')
| -rw-r--r-- | gdb/main.c | 71 |
1 files changed, 40 insertions, 31 deletions
@@ -17,6 +17,7 @@ You should have received a copy of the GNU General Public License along with GDB; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <stdio.h> #include "defs.h" #include "command.h" #include "param.h" @@ -27,7 +28,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #endif #include <sys/file.h> -#include <stdio.h> #include <setjmp.h> #include <signal.h> #include <sys/param.h> @@ -239,6 +239,12 @@ main (argc, argv, envp) int batch = 0; register int i; +#if defined (ALIGN_STACK_ON_STARTUP) + i = (int) &count & 0x3; + if (i != 0) + alloca (4 - i); +#endif + quit_flag = 0; linesize = 100; line = (char *) xmalloc (linesize); @@ -276,7 +282,38 @@ main (argc, argv, envp) frame_file_full_name = 1; else if (!strcmp (argv[i], "-xgdb_verbose")) xgdb_verbose = 1; + /* -help: print a summary of command line switches. */ + else if (!strcmp (argv[i], "-help")) + { + fputs ("\ +This is GDB, the GNU debugger. Use the command\n\ + gdb [options] [executable [core-file]]\n\ +to enter the debugger.\n\ +\n\ +Options available are:\n\ + -help Print this message.\n\ + -quiet Do not print version number on startup.\n\ + -fullname Output information used by emacs-GDB interface.\n\ + -batch Exit after processing options.\n\ + -nx Do not read .gdbinit file.\n\ + -tty TTY Use TTY for input/output by the program being debugged.\n\ + -cd DIR Change current directory to DIR.\n\ + -directory DIR Search for source files in DIR.\n\ + -command FILE Execute GDB commands from FILE.\n\ + -symbols SYMFILE Read symbols from SYMFILE.\n\ + -exec EXECFILE Use EXECFILE as the executable.\n\ + -se FILE Use FILE as symbol file and executable file.\n\ + -core COREFILE Analyze the core dump COREFILE.\n\ +\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", stderr); + /* Exiting after printing this message seems like + the most useful thing to do. */ + exit (0); + } else if (argv[i][0] == '-') + /* Other options take arguments, so don't confuse an + argument with an option. */ i++; } @@ -307,7 +344,8 @@ main (argc, argv, envp) if (!strcmp (arg, "-q") || !strcmp (arg, "-nx") || !strcmp (arg, "-quiet") || !strcmp (arg, "-batch") || !strcmp (arg, "-fullname") || !strcmp (arg, "-nw") - || !strcmp (arg, "-xgdb_verbose")) + || !strcmp (arg, "-xgdb_verbose") + || !strcmp (arg, "-help")) /* Already processed above */ continue; @@ -348,35 +386,6 @@ main (argc, argv, envp) else if (!strcmp (arg, "-t") || !strcmp (arg, "-tty")) tty_command (argv[i], 0); - /* -help: print a summary of command line switches. */ - else if (!strcmp (arg, "-help")) - { - fputs ("\ -This is GDB, the GNU debugger. Use the command\n\ - gdb [options] [executable [core-file]]\n\ -to enter the debugger.\n\ -\n\ -Options available are:\n\ - -help Print this message.\n\ - -quiet Do not print version number on startup.\n\ - -fullname Output information used by emacs-GDB interface.\n\ - -batch Exit after processing options.\n\ - -nx Do not read .gdbinit file.\n\ - -tty TTY Use TTY for input/output by the program being debugged.\n\ - -cd DIR Change current directory to DIR.\n\ - -directory DIR Search for source files in DIR.\n\ - -command FILE Execute GDB commands from FILE.\n\ - -symbols SYMFILE Read symbols from SYMFILE.\n\ - -exec EXECFILE Use EXECFILE as the executable.\n\ - -se FILE Use FILE as symbol file and executable file.\n\ - -core COREFILE Analyze the core dump COREFILE.\n\ -\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", stderr); - /* Exiting after printing this message seems like - the most useful thing to do. */ - exit (0); - } else error ("Unknown command-line switch: \"%s\"\n", arg); } |