/* Memory-access and commands for "inferior" process, for GDB.
|
/* Memory-access and commands for "inferior" process, for GDB.
|
Copyright 1986, 87, 88, 89, 91, 92, 95, 96, 1998, 1999
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Copyright 1986, 87, 88, 89, 91, 92, 95, 96, 1998, 1999
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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|
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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|
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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|
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#include "defs.h"
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#include "defs.h"
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#include <signal.h>
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#include <signal.h>
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "gdbtypes.h"
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#include "frame.h"
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#include "frame.h"
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#include "inferior.h"
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#include "inferior.h"
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#include "environ.h"
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#include "environ.h"
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#include "value.h"
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#include "value.h"
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#include "gdbcmd.h"
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#include "gdbcmd.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "language.h"
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#include "language.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#ifdef UI_OUT
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#ifdef UI_OUT
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#include "ui-out.h"
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#include "ui-out.h"
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#endif
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#endif
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#include "event-top.h"
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#include "event-top.h"
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#include "parser-defs.h"
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#include "parser-defs.h"
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|
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/* Functions exported for general use: */
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/* Functions exported for general use: */
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|
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void nofp_registers_info PARAMS ((char *, int));
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void nofp_registers_info PARAMS ((char *, int));
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|
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void all_registers_info PARAMS ((char *, int));
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void all_registers_info PARAMS ((char *, int));
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|
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void registers_info PARAMS ((char *, int));
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void registers_info PARAMS ((char *, int));
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|
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/* Local functions: */
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/* Local functions: */
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|
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void continue_command PARAMS ((char *, int));
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void continue_command PARAMS ((char *, int));
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|
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static void print_return_value (int struct_return, struct type *value_type);
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static void print_return_value (int struct_return, struct type *value_type);
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|
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static void finish_command_continuation PARAMS ((struct continuation_arg *));
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static void finish_command_continuation PARAMS ((struct continuation_arg *));
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static void until_next_command PARAMS ((int));
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static void until_next_command PARAMS ((int));
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static void until_command PARAMS ((char *, int));
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static void until_command PARAMS ((char *, int));
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static void path_info PARAMS ((char *, int));
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static void path_info PARAMS ((char *, int));
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static void path_command PARAMS ((char *, int));
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static void path_command PARAMS ((char *, int));
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static void unset_command PARAMS ((char *, int));
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static void unset_command PARAMS ((char *, int));
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static void float_info PARAMS ((char *, int));
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static void float_info PARAMS ((char *, int));
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|
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static void detach_command PARAMS ((char *, int));
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static void detach_command PARAMS ((char *, int));
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|
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static void interrupt_target_command (char *args, int from_tty);
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static void interrupt_target_command (char *args, int from_tty);
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|
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#if !defined (DO_REGISTERS_INFO)
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#if !defined (DO_REGISTERS_INFO)
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static void do_registers_info PARAMS ((int, int));
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static void do_registers_info PARAMS ((int, int));
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#endif
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#endif
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static void unset_environment_command PARAMS ((char *, int));
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static void unset_environment_command PARAMS ((char *, int));
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static void set_environment_command PARAMS ((char *, int));
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static void set_environment_command PARAMS ((char *, int));
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static void environment_info PARAMS ((char *, int));
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static void environment_info PARAMS ((char *, int));
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static void program_info PARAMS ((char *, int));
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static void program_info PARAMS ((char *, int));
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static void finish_command PARAMS ((char *, int));
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static void finish_command PARAMS ((char *, int));
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static void signal_command PARAMS ((char *, int));
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static void signal_command PARAMS ((char *, int));
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static void jump_command PARAMS ((char *, int));
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static void jump_command PARAMS ((char *, int));
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static void step_1 PARAMS ((int, int, char *));
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static void step_1 PARAMS ((int, int, char *));
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static void step_once (int skip_subroutines, int single_inst, int count);
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static void step_once (int skip_subroutines, int single_inst, int count);
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static void step_1_continuation (struct continuation_arg *arg);
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static void step_1_continuation (struct continuation_arg *arg);
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void nexti_command PARAMS ((char *, int));
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void nexti_command PARAMS ((char *, int));
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void stepi_command PARAMS ((char *, int));
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void stepi_command PARAMS ((char *, int));
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static void next_command PARAMS ((char *, int));
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static void next_command PARAMS ((char *, int));
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static void step_command PARAMS ((char *, int));
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static void step_command PARAMS ((char *, int));
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static void run_command PARAMS ((char *, int));
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static void run_command PARAMS ((char *, int));
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static void run_no_args_command PARAMS ((char *args, int from_tty));
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static void run_no_args_command PARAMS ((char *args, int from_tty));
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static void go_command PARAMS ((char *line_no, int from_tty));
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static void go_command PARAMS ((char *line_no, int from_tty));
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static int strip_bg_char PARAMS ((char **));
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static int strip_bg_char PARAMS ((char **));
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void _initialize_infcmd PARAMS ((void));
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void _initialize_infcmd PARAMS ((void));
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#define GO_USAGE "Usage: go <location>\n"
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#define GO_USAGE "Usage: go <location>\n"
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static void breakpoint_auto_delete_contents PARAMS ((PTR));
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static void breakpoint_auto_delete_contents PARAMS ((PTR));
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#define ERROR_NO_INFERIOR \
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#define ERROR_NO_INFERIOR \
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if (!target_has_execution) error ("The program is not being run.");
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if (!target_has_execution) error ("The program is not being run.");
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/* String containing arguments to give to the program, separated by spaces.
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/* String containing arguments to give to the program, separated by spaces.
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Empty string (pointer to '\0') means no args. */
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Empty string (pointer to '\0') means no args. */
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static char *inferior_args;
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static char *inferior_args;
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/* File name for default use for standard in/out in the inferior. */
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/* File name for default use for standard in/out in the inferior. */
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char *inferior_io_terminal;
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char *inferior_io_terminal;
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/* Pid of our debugged inferior, or 0 if no inferior now.
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/* Pid of our debugged inferior, or 0 if no inferior now.
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Since various parts of infrun.c test this to see whether there is a program
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Since various parts of infrun.c test this to see whether there is a program
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being debugged it should be nonzero (currently 3 is used) for remote
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being debugged it should be nonzero (currently 3 is used) for remote
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debugging. */
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debugging. */
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int inferior_pid;
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int inferior_pid;
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|
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/* Last signal that the inferior received (why it stopped). */
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/* Last signal that the inferior received (why it stopped). */
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enum target_signal stop_signal;
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enum target_signal stop_signal;
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/* Address at which inferior stopped. */
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/* Address at which inferior stopped. */
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CORE_ADDR stop_pc;
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CORE_ADDR stop_pc;
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/* Chain containing status of breakpoint(s) that we have stopped at. */
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/* Chain containing status of breakpoint(s) that we have stopped at. */
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bpstat stop_bpstat;
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bpstat stop_bpstat;
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/* Flag indicating that a command has proceeded the inferior past the
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/* Flag indicating that a command has proceeded the inferior past the
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current breakpoint. */
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current breakpoint. */
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int breakpoint_proceeded;
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int breakpoint_proceeded;
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/* Nonzero if stopped due to a step command. */
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/* Nonzero if stopped due to a step command. */
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int stop_step;
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int stop_step;
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/* Nonzero if stopped due to completion of a stack dummy routine. */
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/* Nonzero if stopped due to completion of a stack dummy routine. */
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int stop_stack_dummy;
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int stop_stack_dummy;
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/* Nonzero if stopped due to a random (unexpected) signal in inferior
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/* Nonzero if stopped due to a random (unexpected) signal in inferior
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process. */
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process. */
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int stopped_by_random_signal;
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int stopped_by_random_signal;
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/* Range to single step within.
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/* Range to single step within.
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If this is nonzero, respond to a single-step signal
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If this is nonzero, respond to a single-step signal
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by continuing to step if the pc is in this range. */
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by continuing to step if the pc is in this range. */
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CORE_ADDR step_range_start; /* Inclusive */
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CORE_ADDR step_range_start; /* Inclusive */
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CORE_ADDR step_range_end; /* Exclusive */
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CORE_ADDR step_range_end; /* Exclusive */
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/* Stack frame address as of when stepping command was issued.
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/* Stack frame address as of when stepping command was issued.
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This is how we know when we step into a subroutine call,
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This is how we know when we step into a subroutine call,
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and how to set the frame for the breakpoint used to step out. */
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and how to set the frame for the breakpoint used to step out. */
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CORE_ADDR step_frame_address;
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CORE_ADDR step_frame_address;
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/* Our notion of the current stack pointer. */
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/* Our notion of the current stack pointer. */
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CORE_ADDR step_sp;
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CORE_ADDR step_sp;
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/* 1 means step over all subroutine calls.
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/* 1 means step over all subroutine calls.
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0 means don't step over calls (used by stepi).
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0 means don't step over calls (used by stepi).
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-1 means step over calls to undebuggable functions. */
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-1 means step over calls to undebuggable functions. */
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int step_over_calls;
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int step_over_calls;
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/* If stepping, nonzero means step count is > 1
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/* If stepping, nonzero means step count is > 1
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so don't print frame next time inferior stops
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so don't print frame next time inferior stops
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if it stops due to stepping. */
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if it stops due to stepping. */
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int step_multi;
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int step_multi;
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/* Environment to use for running inferior,
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/* Environment to use for running inferior,
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in format described in environ.h. */
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in format described in environ.h. */
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struct environ *inferior_environ;
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struct environ *inferior_environ;
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/* This function detects whether or not a '&' character (indicating
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/* This function detects whether or not a '&' character (indicating
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background execution) has been added as *the last* of the arguments ARGS
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background execution) has been added as *the last* of the arguments ARGS
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of a command. If it has, it removes it and returns 1. Otherwise it
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of a command. If it has, it removes it and returns 1. Otherwise it
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does nothing and returns 0. */
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does nothing and returns 0. */
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static int
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static int
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strip_bg_char (args)
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strip_bg_char (args)
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char **args;
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char **args;
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{
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{
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char *p = NULL;
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char *p = NULL;
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p = strchr (*args, '&');
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p = strchr (*args, '&');
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if (p)
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if (p)
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{
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{
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if (p == (*args + strlen (*args) - 1))
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if (p == (*args + strlen (*args) - 1))
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{
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{
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if (strlen (*args) > 1)
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if (strlen (*args) > 1)
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{
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{
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do
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do
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p--;
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p--;
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while (*p == ' ' || *p == '\t');
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while (*p == ' ' || *p == '\t');
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*(p + 1) = '\0';
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*(p + 1) = '\0';
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}
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}
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else
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else
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*args = 0;
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*args = 0;
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return 1;
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return 1;
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}
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}
|
}
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}
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return 0;
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return 0;
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}
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}
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|
|
/* ARGSUSED */
|
/* ARGSUSED */
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void
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void
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tty_command (file, from_tty)
|
tty_command (file, from_tty)
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char *file;
|
char *file;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
if (file == 0)
|
if (file == 0)
|
error_no_arg ("terminal name for running target process");
|
error_no_arg ("terminal name for running target process");
|
|
|
inferior_io_terminal = savestring (file, strlen (file));
|
inferior_io_terminal = savestring (file, strlen (file));
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}
|
}
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|
|
static void
|
static void
|
run_command (args, from_tty)
|
run_command (args, from_tty)
|
char *args;
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char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
char *exec_file;
|
char *exec_file;
|
|
|
dont_repeat ();
|
dont_repeat ();
|
|
|
if (inferior_pid != 0 && target_has_execution)
|
if (inferior_pid != 0 && target_has_execution)
|
{
|
{
|
if (from_tty
|
if (from_tty
|
&& !query ("The program being debugged has been started already.\n\
|
&& !query ("The program being debugged has been started already.\n\
|
Start it from the beginning? "))
|
Start it from the beginning? "))
|
error ("Program not restarted.");
|
error ("Program not restarted.");
|
target_kill ();
|
target_kill ();
|
#if defined(SOLIB_RESTART)
|
#if defined(SOLIB_RESTART)
|
SOLIB_RESTART ();
|
SOLIB_RESTART ();
|
#endif
|
#endif
|
init_wait_for_inferior ();
|
init_wait_for_inferior ();
|
}
|
}
|
|
|
clear_breakpoint_hit_counts ();
|
clear_breakpoint_hit_counts ();
|
|
|
exec_file = (char *) get_exec_file (0);
|
exec_file = (char *) get_exec_file (0);
|
|
|
/* Purge old solib objfiles. */
|
/* Purge old solib objfiles. */
|
objfile_purge_solibs ();
|
objfile_purge_solibs ();
|
|
|
do_run_cleanups (NULL);
|
do_run_cleanups (NULL);
|
|
|
/* The exec file is re-read every time we do a generic_mourn_inferior, so
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/* The exec file is re-read every time we do a generic_mourn_inferior, so
|
we just have to worry about the symbol file. */
|
we just have to worry about the symbol file. */
|
reread_symbols ();
|
reread_symbols ();
|
|
|
/* We keep symbols from add-symbol-file, on the grounds that the
|
/* We keep symbols from add-symbol-file, on the grounds that the
|
user might want to add some symbols before running the program
|
user might want to add some symbols before running the program
|
(right?). But sometimes (dynamic loading where the user manually
|
(right?). But sometimes (dynamic loading where the user manually
|
introduces the new symbols with add-symbol-file), the code which
|
introduces the new symbols with add-symbol-file), the code which
|
the symbols describe does not persist between runs. Currently
|
the symbols describe does not persist between runs. Currently
|
the user has to manually nuke all symbols between runs if they
|
the user has to manually nuke all symbols between runs if they
|
want them to go away (PR 2207). This is probably reasonable. */
|
want them to go away (PR 2207). This is probably reasonable. */
|
|
|
if (!args)
|
if (!args)
|
{
|
{
|
if (event_loop_p && target_can_async_p ())
|
if (event_loop_p && target_can_async_p ())
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
else
|
else
|
{
|
{
|
char *cmd;
|
char *cmd;
|
int async_exec = strip_bg_char (&args);
|
int async_exec = strip_bg_char (&args);
|
|
|
/* If we get a request for running in the bg but the target
|
/* If we get a request for running in the bg but the target
|
doesn't support it, error out. */
|
doesn't support it, error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we don't get a request of running in the bg, then we need
|
/* If we don't get a request of running in the bg, then we need
|
to simulate synchronous (fg) execution. */
|
to simulate synchronous (fg) execution. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
/* If there were other args, beside '&', process them. */
|
/* If there were other args, beside '&', process them. */
|
if (args)
|
if (args)
|
{
|
{
|
cmd = concat ("set args ", args, NULL);
|
cmd = concat ("set args ", args, NULL);
|
make_cleanup (free, cmd);
|
make_cleanup (free, cmd);
|
execute_command (cmd, from_tty);
|
execute_command (cmd, from_tty);
|
}
|
}
|
}
|
}
|
|
|
if (from_tty)
|
if (from_tty)
|
{
|
{
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
ui_out_field_string (uiout, NULL, "Starting program");
|
ui_out_field_string (uiout, NULL, "Starting program");
|
ui_out_text (uiout, ": ");
|
ui_out_text (uiout, ": ");
|
if (exec_file)
|
if (exec_file)
|
ui_out_field_string (uiout, "execfile", exec_file);
|
ui_out_field_string (uiout, "execfile", exec_file);
|
ui_out_spaces (uiout, 1);
|
ui_out_spaces (uiout, 1);
|
ui_out_field_string (uiout, "infargs", inferior_args);
|
ui_out_field_string (uiout, "infargs", inferior_args);
|
ui_out_text (uiout, "\n");
|
ui_out_text (uiout, "\n");
|
ui_out_flush (uiout);
|
ui_out_flush (uiout);
|
#else
|
#else
|
puts_filtered ("Starting program: ");
|
puts_filtered ("Starting program: ");
|
if (exec_file)
|
if (exec_file)
|
puts_filtered (exec_file);
|
puts_filtered (exec_file);
|
puts_filtered (" ");
|
puts_filtered (" ");
|
puts_filtered (inferior_args);
|
puts_filtered (inferior_args);
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
#endif
|
#endif
|
}
|
}
|
|
|
target_create_inferior (exec_file, inferior_args,
|
target_create_inferior (exec_file, inferior_args,
|
environ_vector (inferior_environ));
|
environ_vector (inferior_environ));
|
}
|
}
|
|
|
|
|
static void
|
static void
|
run_no_args_command (args, from_tty)
|
run_no_args_command (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
execute_command ("set args", from_tty);
|
execute_command ("set args", from_tty);
|
run_command ((char *) NULL, from_tty);
|
run_command ((char *) NULL, from_tty);
|
}
|
}
|
|
|
|
|
void
|
void
|
continue_command (proc_count_exp, from_tty)
|
continue_command (proc_count_exp, from_tty)
|
char *proc_count_exp;
|
char *proc_count_exp;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
int async_exec = 0;
|
int async_exec = 0;
|
ERROR_NO_INFERIOR;
|
ERROR_NO_INFERIOR;
|
|
|
/* Find out whether we must run in the background. */
|
/* Find out whether we must run in the background. */
|
if (proc_count_exp != NULL)
|
if (proc_count_exp != NULL)
|
async_exec = strip_bg_char (&proc_count_exp);
|
async_exec = strip_bg_char (&proc_count_exp);
|
|
|
/* If we must run in the background, but the target can't do it,
|
/* If we must run in the background, but the target can't do it,
|
error out. */
|
error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we are not asked to run in the bg, then prepare to run in the
|
/* If we are not asked to run in the bg, then prepare to run in the
|
foreground, synchronously. */
|
foreground, synchronously. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
/* If have argument (besides '&'), set proceed count of breakpoint
|
/* If have argument (besides '&'), set proceed count of breakpoint
|
we stopped at. */
|
we stopped at. */
|
if (proc_count_exp != NULL)
|
if (proc_count_exp != NULL)
|
{
|
{
|
bpstat bs = stop_bpstat;
|
bpstat bs = stop_bpstat;
|
int num = bpstat_num (&bs);
|
int num = bpstat_num (&bs);
|
if (num == 0 && from_tty)
|
if (num == 0 && from_tty)
|
{
|
{
|
printf_filtered
|
printf_filtered
|
("Not stopped at any breakpoint; argument ignored.\n");
|
("Not stopped at any breakpoint; argument ignored.\n");
|
}
|
}
|
while (num != 0)
|
while (num != 0)
|
{
|
{
|
set_ignore_count (num,
|
set_ignore_count (num,
|
parse_and_eval_address (proc_count_exp) - 1,
|
parse_and_eval_address (proc_count_exp) - 1,
|
from_tty);
|
from_tty);
|
/* set_ignore_count prints a message ending with a period.
|
/* set_ignore_count prints a message ending with a period.
|
So print two spaces before "Continuing.". */
|
So print two spaces before "Continuing.". */
|
if (from_tty)
|
if (from_tty)
|
printf_filtered (" ");
|
printf_filtered (" ");
|
num = bpstat_num (&bs);
|
num = bpstat_num (&bs);
|
}
|
}
|
}
|
}
|
|
|
if (from_tty)
|
if (from_tty)
|
printf_filtered ("Continuing.\n");
|
printf_filtered ("Continuing.\n");
|
|
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
|
}
|
}
|
|
|
/* Step until outside of current statement. */
|
/* Step until outside of current statement. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
step_command (count_string, from_tty)
|
step_command (count_string, from_tty)
|
char *count_string;
|
char *count_string;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
step_1 (0, 0, count_string);
|
step_1 (0, 0, count_string);
|
}
|
}
|
|
|
/* Likewise, but skip over subroutine calls as if single instructions. */
|
/* Likewise, but skip over subroutine calls as if single instructions. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
next_command (count_string, from_tty)
|
next_command (count_string, from_tty)
|
char *count_string;
|
char *count_string;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
step_1 (1, 0, count_string);
|
step_1 (1, 0, count_string);
|
}
|
}
|
|
|
/* Likewise, but step only one instruction. */
|
/* Likewise, but step only one instruction. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
void
|
void
|
stepi_command (count_string, from_tty)
|
stepi_command (count_string, from_tty)
|
char *count_string;
|
char *count_string;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
step_1 (0, 1, count_string);
|
step_1 (0, 1, count_string);
|
}
|
}
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
void
|
void
|
nexti_command (count_string, from_tty)
|
nexti_command (count_string, from_tty)
|
char *count_string;
|
char *count_string;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
step_1 (1, 1, count_string);
|
step_1 (1, 1, count_string);
|
}
|
}
|
|
|
static void
|
static void
|
step_1 (skip_subroutines, single_inst, count_string)
|
step_1 (skip_subroutines, single_inst, count_string)
|
int skip_subroutines;
|
int skip_subroutines;
|
int single_inst;
|
int single_inst;
|
char *count_string;
|
char *count_string;
|
{
|
{
|
register int count = 1;
|
register int count = 1;
|
struct frame_info *frame;
|
struct frame_info *frame;
|
struct cleanup *cleanups = 0;
|
struct cleanup *cleanups = 0;
|
int async_exec = 0;
|
int async_exec = 0;
|
|
|
ERROR_NO_INFERIOR;
|
ERROR_NO_INFERIOR;
|
|
|
if (count_string)
|
if (count_string)
|
async_exec = strip_bg_char (&count_string);
|
async_exec = strip_bg_char (&count_string);
|
|
|
/* If we get a request for running in the bg but the target
|
/* If we get a request for running in the bg but the target
|
doesn't support it, error out. */
|
doesn't support it, error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we don't get a request of running in the bg, then we need
|
/* If we don't get a request of running in the bg, then we need
|
to simulate synchronous (fg) execution. */
|
to simulate synchronous (fg) execution. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
count = count_string ? parse_and_eval_address (count_string) : 1;
|
count = count_string ? parse_and_eval_address (count_string) : 1;
|
|
|
if (!single_inst || skip_subroutines) /* leave si command alone */
|
if (!single_inst || skip_subroutines) /* leave si command alone */
|
{
|
{
|
enable_longjmp_breakpoint ();
|
enable_longjmp_breakpoint ();
|
if (!event_loop_p || !target_can_async_p ())
|
if (!event_loop_p || !target_can_async_p ())
|
cleanups = make_cleanup ((make_cleanup_func) disable_longjmp_breakpoint,
|
cleanups = make_cleanup ((make_cleanup_func) disable_longjmp_breakpoint,
|
0);
|
0);
|
else
|
else
|
make_exec_cleanup ((make_cleanup_func) disable_longjmp_breakpoint, 0);
|
make_exec_cleanup ((make_cleanup_func) disable_longjmp_breakpoint, 0);
|
}
|
}
|
|
|
/* In synchronous case, all is well, just use the regular for loop. */
|
/* In synchronous case, all is well, just use the regular for loop. */
|
if (!event_loop_p || !target_can_async_p ())
|
if (!event_loop_p || !target_can_async_p ())
|
{
|
{
|
for (; count > 0; count--)
|
for (; count > 0; count--)
|
{
|
{
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
frame = get_current_frame ();
|
frame = get_current_frame ();
|
if (!frame) /* Avoid coredump here. Why tho? */
|
if (!frame) /* Avoid coredump here. Why tho? */
|
error ("No current frame");
|
error ("No current frame");
|
step_frame_address = FRAME_FP (frame);
|
step_frame_address = FRAME_FP (frame);
|
step_sp = read_sp ();
|
step_sp = read_sp ();
|
|
|
if (!single_inst)
|
if (!single_inst)
|
{
|
{
|
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
|
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
|
if (step_range_end == 0)
|
if (step_range_end == 0)
|
{
|
{
|
char *name;
|
char *name;
|
if (find_pc_partial_function (stop_pc, &name, &step_range_start,
|
if (find_pc_partial_function (stop_pc, &name, &step_range_start,
|
&step_range_end) == 0)
|
&step_range_end) == 0)
|
error ("Cannot find bounds of current function");
|
error ("Cannot find bounds of current function");
|
|
|
target_terminal_ours ();
|
target_terminal_ours ();
|
printf_filtered ("\
|
printf_filtered ("\
|
Single stepping until exit from function %s, \n\
|
Single stepping until exit from function %s, \n\
|
which has no line number information.\n", name);
|
which has no line number information.\n", name);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Say we are stepping, but stop after one insn whatever it does. */
|
/* Say we are stepping, but stop after one insn whatever it does. */
|
step_range_start = step_range_end = 1;
|
step_range_start = step_range_end = 1;
|
if (!skip_subroutines)
|
if (!skip_subroutines)
|
/* It is stepi.
|
/* It is stepi.
|
Don't step over function calls, not even to functions lacking
|
Don't step over function calls, not even to functions lacking
|
line numbers. */
|
line numbers. */
|
step_over_calls = 0;
|
step_over_calls = 0;
|
}
|
}
|
|
|
if (skip_subroutines)
|
if (skip_subroutines)
|
step_over_calls = 1;
|
step_over_calls = 1;
|
|
|
step_multi = (count > 1);
|
step_multi = (count > 1);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
|
|
if (!stop_step)
|
if (!stop_step)
|
break;
|
break;
|
|
|
/* FIXME: On nexti, this may have already been done (when we hit the
|
/* FIXME: On nexti, this may have already been done (when we hit the
|
step resume break, I think). Probably this should be moved to
|
step resume break, I think). Probably this should be moved to
|
wait_for_inferior (near the top). */
|
wait_for_inferior (near the top). */
|
#if defined (SHIFT_INST_REGS)
|
#if defined (SHIFT_INST_REGS)
|
SHIFT_INST_REGS ();
|
SHIFT_INST_REGS ();
|
#endif
|
#endif
|
}
|
}
|
|
|
if (!single_inst || skip_subroutines)
|
if (!single_inst || skip_subroutines)
|
do_cleanups (cleanups);
|
do_cleanups (cleanups);
|
return;
|
return;
|
}
|
}
|
/* In case of asynchronous target things get complicated, do only
|
/* In case of asynchronous target things get complicated, do only
|
one step for now, before returning control to the event loop. Let
|
one step for now, before returning control to the event loop. Let
|
the continuation figure out how many other steps we need to do,
|
the continuation figure out how many other steps we need to do,
|
and handle them one at the time, through step_once(). */
|
and handle them one at the time, through step_once(). */
|
else
|
else
|
{
|
{
|
if (event_loop_p && target_can_async_p ())
|
if (event_loop_p && target_can_async_p ())
|
step_once (skip_subroutines, single_inst, count);
|
step_once (skip_subroutines, single_inst, count);
|
}
|
}
|
}
|
}
|
|
|
/* Called after we are done with one step operation, to check whether
|
/* Called after we are done with one step operation, to check whether
|
we need to step again, before we print the prompt and return control
|
we need to step again, before we print the prompt and return control
|
to the user. If count is > 1, we will need to do one more call to
|
to the user. If count is > 1, we will need to do one more call to
|
proceed(), via step_once(). Basically it is like step_once and
|
proceed(), via step_once(). Basically it is like step_once and
|
step_1_continuation are co-recursive. */
|
step_1_continuation are co-recursive. */
|
static void
|
static void
|
step_1_continuation (arg)
|
step_1_continuation (arg)
|
struct continuation_arg *arg;
|
struct continuation_arg *arg;
|
{
|
{
|
int count;
|
int count;
|
int skip_subroutines;
|
int skip_subroutines;
|
int single_inst;
|
int single_inst;
|
|
|
skip_subroutines = arg->data.integer;
|
skip_subroutines = arg->data.integer;
|
single_inst = arg->next->data.integer;
|
single_inst = arg->next->data.integer;
|
count = arg->next->next->data.integer;
|
count = arg->next->next->data.integer;
|
|
|
if (stop_step)
|
if (stop_step)
|
{
|
{
|
/* FIXME: On nexti, this may have already been done (when we hit the
|
/* FIXME: On nexti, this may have already been done (when we hit the
|
step resume break, I think). Probably this should be moved to
|
step resume break, I think). Probably this should be moved to
|
wait_for_inferior (near the top). */
|
wait_for_inferior (near the top). */
|
#if defined (SHIFT_INST_REGS)
|
#if defined (SHIFT_INST_REGS)
|
SHIFT_INST_REGS ();
|
SHIFT_INST_REGS ();
|
#endif
|
#endif
|
step_once (skip_subroutines, single_inst, count - 1);
|
step_once (skip_subroutines, single_inst, count - 1);
|
}
|
}
|
else
|
else
|
if (!single_inst || skip_subroutines)
|
if (!single_inst || skip_subroutines)
|
do_exec_cleanups (ALL_CLEANUPS);
|
do_exec_cleanups (ALL_CLEANUPS);
|
}
|
}
|
|
|
/* Do just one step operation. If count >1 we will have to set up a
|
/* Do just one step operation. If count >1 we will have to set up a
|
continuation to be done after the target stops (after this one
|
continuation to be done after the target stops (after this one
|
step). This is useful to implement the 'step n' kind of commands, in
|
step). This is useful to implement the 'step n' kind of commands, in
|
case of asynchronous targets. We had to split step_1 into two parts,
|
case of asynchronous targets. We had to split step_1 into two parts,
|
one to be done before proceed() and one afterwards. This function is
|
one to be done before proceed() and one afterwards. This function is
|
called in case of step n with n>1, after the first step operation has
|
called in case of step n with n>1, after the first step operation has
|
been completed.*/
|
been completed.*/
|
static void
|
static void
|
step_once (int skip_subroutines, int single_inst, int count)
|
step_once (int skip_subroutines, int single_inst, int count)
|
{
|
{
|
struct continuation_arg *arg1;
|
struct continuation_arg *arg1;
|
struct continuation_arg *arg2;
|
struct continuation_arg *arg2;
|
struct continuation_arg *arg3;
|
struct continuation_arg *arg3;
|
struct frame_info *frame;
|
struct frame_info *frame;
|
|
|
if (count > 0)
|
if (count > 0)
|
{
|
{
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
frame = get_current_frame ();
|
frame = get_current_frame ();
|
if (!frame) /* Avoid coredump here. Why tho? */
|
if (!frame) /* Avoid coredump here. Why tho? */
|
error ("No current frame");
|
error ("No current frame");
|
step_frame_address = FRAME_FP (frame);
|
step_frame_address = FRAME_FP (frame);
|
step_sp = read_sp ();
|
step_sp = read_sp ();
|
|
|
if (!single_inst)
|
if (!single_inst)
|
{
|
{
|
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
|
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
|
if (step_range_end == 0)
|
if (step_range_end == 0)
|
{
|
{
|
char *name;
|
char *name;
|
if (find_pc_partial_function (stop_pc, &name, &step_range_start,
|
if (find_pc_partial_function (stop_pc, &name, &step_range_start,
|
&step_range_end) == 0)
|
&step_range_end) == 0)
|
error ("Cannot find bounds of current function");
|
error ("Cannot find bounds of current function");
|
|
|
target_terminal_ours ();
|
target_terminal_ours ();
|
printf_filtered ("\
|
printf_filtered ("\
|
Single stepping until exit from function %s, \n\
|
Single stepping until exit from function %s, \n\
|
which has no line number information.\n", name);
|
which has no line number information.\n", name);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Say we are stepping, but stop after one insn whatever it does. */
|
/* Say we are stepping, but stop after one insn whatever it does. */
|
step_range_start = step_range_end = 1;
|
step_range_start = step_range_end = 1;
|
if (!skip_subroutines)
|
if (!skip_subroutines)
|
/* It is stepi.
|
/* It is stepi.
|
Don't step over function calls, not even to functions lacking
|
Don't step over function calls, not even to functions lacking
|
line numbers. */
|
line numbers. */
|
step_over_calls = 0;
|
step_over_calls = 0;
|
}
|
}
|
|
|
if (skip_subroutines)
|
if (skip_subroutines)
|
step_over_calls = 1;
|
step_over_calls = 1;
|
|
|
step_multi = (count > 1);
|
step_multi = (count > 1);
|
arg1 =
|
arg1 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg2 =
|
arg2 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg3 =
|
arg3 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg1->next = arg2;
|
arg1->next = arg2;
|
arg1->data.integer = skip_subroutines;
|
arg1->data.integer = skip_subroutines;
|
arg2->next = arg3;
|
arg2->next = arg3;
|
arg2->data.integer = single_inst;
|
arg2->data.integer = single_inst;
|
arg3->next = NULL;
|
arg3->next = NULL;
|
arg3->data.integer = count;
|
arg3->data.integer = count;
|
add_intermediate_continuation (step_1_continuation, arg1);
|
add_intermediate_continuation (step_1_continuation, arg1);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Continue program at specified address. */
|
/* Continue program at specified address. */
|
|
|
static void
|
static void
|
jump_command (arg, from_tty)
|
jump_command (arg, from_tty)
|
char *arg;
|
char *arg;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
register CORE_ADDR addr;
|
register CORE_ADDR addr;
|
struct symtabs_and_lines sals;
|
struct symtabs_and_lines sals;
|
struct symtab_and_line sal;
|
struct symtab_and_line sal;
|
struct symbol *fn;
|
struct symbol *fn;
|
struct symbol *sfn;
|
struct symbol *sfn;
|
int async_exec = 0;
|
int async_exec = 0;
|
|
|
ERROR_NO_INFERIOR;
|
ERROR_NO_INFERIOR;
|
|
|
/* Find out whether we must run in the background. */
|
/* Find out whether we must run in the background. */
|
if (arg != NULL)
|
if (arg != NULL)
|
async_exec = strip_bg_char (&arg);
|
async_exec = strip_bg_char (&arg);
|
|
|
/* If we must run in the background, but the target can't do it,
|
/* If we must run in the background, but the target can't do it,
|
error out. */
|
error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we are not asked to run in the bg, then prepare to run in the
|
/* If we are not asked to run in the bg, then prepare to run in the
|
foreground, synchronously. */
|
foreground, synchronously. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
if (!arg)
|
if (!arg)
|
error_no_arg ("starting address");
|
error_no_arg ("starting address");
|
|
|
sals = decode_line_spec_1 (arg, 1);
|
sals = decode_line_spec_1 (arg, 1);
|
if (sals.nelts != 1)
|
if (sals.nelts != 1)
|
{
|
{
|
error ("Unreasonable jump request");
|
error ("Unreasonable jump request");
|
}
|
}
|
|
|
sal = sals.sals[0];
|
sal = sals.sals[0];
|
free ((PTR) sals.sals);
|
free ((PTR) sals.sals);
|
|
|
if (sal.symtab == 0 && sal.pc == 0)
|
if (sal.symtab == 0 && sal.pc == 0)
|
error ("No source file has been specified.");
|
error ("No source file has been specified.");
|
|
|
resolve_sal_pc (&sal); /* May error out */
|
resolve_sal_pc (&sal); /* May error out */
|
|
|
/* See if we are trying to jump to another function. */
|
/* See if we are trying to jump to another function. */
|
fn = get_frame_function (get_current_frame ());
|
fn = get_frame_function (get_current_frame ());
|
sfn = find_pc_function (sal.pc);
|
sfn = find_pc_function (sal.pc);
|
if (fn != NULL && sfn != fn)
|
if (fn != NULL && sfn != fn)
|
{
|
{
|
if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line,
|
if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line,
|
SYMBOL_SOURCE_NAME (fn)))
|
SYMBOL_SOURCE_NAME (fn)))
|
{
|
{
|
error ("Not confirmed.");
|
error ("Not confirmed.");
|
/* NOTREACHED */
|
/* NOTREACHED */
|
}
|
}
|
}
|
}
|
|
|
if (sfn != NULL)
|
if (sfn != NULL)
|
{
|
{
|
fixup_symbol_section (sfn, 0);
|
fixup_symbol_section (sfn, 0);
|
if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) &&
|
if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) &&
|
!section_is_mapped (SYMBOL_BFD_SECTION (sfn)))
|
!section_is_mapped (SYMBOL_BFD_SECTION (sfn)))
|
{
|
{
|
if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? "))
|
if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? "))
|
{
|
{
|
error ("Not confirmed.");
|
error ("Not confirmed.");
|
/* NOTREACHED */
|
/* NOTREACHED */
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
addr = sal.pc;
|
addr = sal.pc;
|
|
|
if (from_tty)
|
if (from_tty)
|
{
|
{
|
printf_filtered ("Continuing at ");
|
printf_filtered ("Continuing at ");
|
print_address_numeric (addr, 1, gdb_stdout);
|
print_address_numeric (addr, 1, gdb_stdout);
|
printf_filtered (".\n");
|
printf_filtered (".\n");
|
}
|
}
|
|
|
clear_proceed_status ();
|
clear_proceed_status ();
|
proceed (addr, TARGET_SIGNAL_0, 0);
|
proceed (addr, TARGET_SIGNAL_0, 0);
|
}
|
}
|
|
|
|
|
/* Go to line or address in current procedure */
|
/* Go to line or address in current procedure */
|
static void
|
static void
|
go_command (line_no, from_tty)
|
go_command (line_no, from_tty)
|
char *line_no;
|
char *line_no;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
if (line_no == (char *) NULL || !*line_no)
|
if (line_no == (char *) NULL || !*line_no)
|
printf_filtered (GO_USAGE);
|
printf_filtered (GO_USAGE);
|
else
|
else
|
{
|
{
|
tbreak_command (line_no, from_tty);
|
tbreak_command (line_no, from_tty);
|
jump_command (line_no, from_tty);
|
jump_command (line_no, from_tty);
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Continue program giving it specified signal. */
|
/* Continue program giving it specified signal. */
|
|
|
static void
|
static void
|
signal_command (signum_exp, from_tty)
|
signal_command (signum_exp, from_tty)
|
char *signum_exp;
|
char *signum_exp;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
enum target_signal oursig;
|
enum target_signal oursig;
|
|
|
dont_repeat (); /* Too dangerous. */
|
dont_repeat (); /* Too dangerous. */
|
ERROR_NO_INFERIOR;
|
ERROR_NO_INFERIOR;
|
|
|
if (!signum_exp)
|
if (!signum_exp)
|
error_no_arg ("signal number");
|
error_no_arg ("signal number");
|
|
|
/* It would be even slicker to make signal names be valid expressions,
|
/* It would be even slicker to make signal names be valid expressions,
|
(the type could be "enum $signal" or some such), then the user could
|
(the type could be "enum $signal" or some such), then the user could
|
assign them to convenience variables. */
|
assign them to convenience variables. */
|
oursig = target_signal_from_name (signum_exp);
|
oursig = target_signal_from_name (signum_exp);
|
|
|
if (oursig == TARGET_SIGNAL_UNKNOWN)
|
if (oursig == TARGET_SIGNAL_UNKNOWN)
|
{
|
{
|
/* No, try numeric. */
|
/* No, try numeric. */
|
int num = parse_and_eval_address (signum_exp);
|
int num = parse_and_eval_address (signum_exp);
|
|
|
if (num == 0)
|
if (num == 0)
|
oursig = TARGET_SIGNAL_0;
|
oursig = TARGET_SIGNAL_0;
|
else
|
else
|
oursig = target_signal_from_command (num);
|
oursig = target_signal_from_command (num);
|
}
|
}
|
|
|
if (from_tty)
|
if (from_tty)
|
{
|
{
|
if (oursig == TARGET_SIGNAL_0)
|
if (oursig == TARGET_SIGNAL_0)
|
printf_filtered ("Continuing with no signal.\n");
|
printf_filtered ("Continuing with no signal.\n");
|
else
|
else
|
printf_filtered ("Continuing with signal %s.\n",
|
printf_filtered ("Continuing with signal %s.\n",
|
target_signal_to_name (oursig));
|
target_signal_to_name (oursig));
|
}
|
}
|
|
|
clear_proceed_status ();
|
clear_proceed_status ();
|
/* "signal 0" should not get stuck if we are stopped at a breakpoint.
|
/* "signal 0" should not get stuck if we are stopped at a breakpoint.
|
FIXME: Neither should "signal foo" but when I tried passing
|
FIXME: Neither should "signal foo" but when I tried passing
|
(CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't
|
(CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't
|
tried to track down yet. */
|
tried to track down yet. */
|
proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0);
|
proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0);
|
}
|
}
|
|
|
/* Call breakpoint_auto_delete on the current contents of the bpstat
|
/* Call breakpoint_auto_delete on the current contents of the bpstat
|
pointed to by arg (which is really a bpstat *). */
|
pointed to by arg (which is really a bpstat *). */
|
|
|
static void
|
static void
|
breakpoint_auto_delete_contents (arg)
|
breakpoint_auto_delete_contents (arg)
|
PTR arg;
|
PTR arg;
|
{
|
{
|
breakpoint_auto_delete (*(bpstat *) arg);
|
breakpoint_auto_delete (*(bpstat *) arg);
|
}
|
}
|
|
|
|
|
/* Execute a "stack dummy", a piece of code stored in the stack
|
/* Execute a "stack dummy", a piece of code stored in the stack
|
by the debugger to be executed in the inferior.
|
by the debugger to be executed in the inferior.
|
|
|
To call: first, do PUSH_DUMMY_FRAME.
|
To call: first, do PUSH_DUMMY_FRAME.
|
Then push the contents of the dummy. It should end with a breakpoint insn.
|
Then push the contents of the dummy. It should end with a breakpoint insn.
|
Then call here, passing address at which to start the dummy.
|
Then call here, passing address at which to start the dummy.
|
|
|
The contents of all registers are saved before the dummy frame is popped
|
The contents of all registers are saved before the dummy frame is popped
|
and copied into the buffer BUFFER.
|
and copied into the buffer BUFFER.
|
|
|
The dummy's frame is automatically popped whenever that break is hit.
|
The dummy's frame is automatically popped whenever that break is hit.
|
If that is the first time the program stops, run_stack_dummy
|
If that is the first time the program stops, run_stack_dummy
|
returns to its caller with that frame already gone and returns 0.
|
returns to its caller with that frame already gone and returns 0.
|
|
|
Otherwise, run_stack-dummy returns a non-zero value.
|
Otherwise, run_stack-dummy returns a non-zero value.
|
If the called function receives a random signal, we do not allow the user
|
If the called function receives a random signal, we do not allow the user
|
to continue executing it as this may not work. The dummy frame is poped
|
to continue executing it as this may not work. The dummy frame is poped
|
and we return 1.
|
and we return 1.
|
If we hit a breakpoint, we leave the frame in place and return 2 (the frame
|
If we hit a breakpoint, we leave the frame in place and return 2 (the frame
|
will eventually be popped when we do hit the dummy end breakpoint). */
|
will eventually be popped when we do hit the dummy end breakpoint). */
|
|
|
int
|
int
|
run_stack_dummy (addr, buffer)
|
run_stack_dummy (addr, buffer)
|
CORE_ADDR addr;
|
CORE_ADDR addr;
|
char *buffer;
|
char *buffer;
|
{
|
{
|
struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0);
|
struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0);
|
int saved_async = 0;
|
int saved_async = 0;
|
|
|
/* Now proceed, having reached the desired place. */
|
/* Now proceed, having reached the desired place. */
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
if (CALL_DUMMY_BREAKPOINT_OFFSET_P)
|
if (CALL_DUMMY_BREAKPOINT_OFFSET_P)
|
{
|
{
|
struct breakpoint *bpt;
|
struct breakpoint *bpt;
|
struct symtab_and_line sal;
|
struct symtab_and_line sal;
|
|
|
INIT_SAL (&sal); /* initialize to zeroes */
|
INIT_SAL (&sal); /* initialize to zeroes */
|
if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT)
|
if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT)
|
{
|
{
|
sal.pc = CALL_DUMMY_ADDRESS ();
|
sal.pc = CALL_DUMMY_ADDRESS ();
|
}
|
}
|
else
|
else
|
{
|
{
|
sal.pc = addr - CALL_DUMMY_START_OFFSET + CALL_DUMMY_BREAKPOINT_OFFSET;
|
sal.pc = addr - CALL_DUMMY_START_OFFSET + CALL_DUMMY_BREAKPOINT_OFFSET;
|
}
|
}
|
sal.section = find_pc_overlay (sal.pc);
|
sal.section = find_pc_overlay (sal.pc);
|
|
|
/* Set up a FRAME for the dummy frame so we can pass it to
|
/* Set up a FRAME for the dummy frame so we can pass it to
|
set_momentary_breakpoint. We need to give the breakpoint a
|
set_momentary_breakpoint. We need to give the breakpoint a
|
frame in case there is only one copy of the dummy (e.g.
|
frame in case there is only one copy of the dummy (e.g.
|
CALL_DUMMY_LOCATION == AFTER_TEXT_END). */
|
CALL_DUMMY_LOCATION == AFTER_TEXT_END). */
|
flush_cached_frames ();
|
flush_cached_frames ();
|
set_current_frame (create_new_frame (read_fp (), sal.pc));
|
set_current_frame (create_new_frame (read_fp (), sal.pc));
|
|
|
/* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put
|
/* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put
|
a breakpoint instruction. If not, the call dummy already has the
|
a breakpoint instruction. If not, the call dummy already has the
|
breakpoint instruction in it.
|
breakpoint instruction in it.
|
|
|
addr is the address of the call dummy plus the CALL_DUMMY_START_OFFSET,
|
addr is the address of the call dummy plus the CALL_DUMMY_START_OFFSET,
|
so we need to subtract the CALL_DUMMY_START_OFFSET. */
|
so we need to subtract the CALL_DUMMY_START_OFFSET. */
|
bpt = set_momentary_breakpoint (sal,
|
bpt = set_momentary_breakpoint (sal,
|
get_current_frame (),
|
get_current_frame (),
|
bp_call_dummy);
|
bp_call_dummy);
|
bpt->disposition = del;
|
bpt->disposition = del;
|
|
|
/* If all error()s out of proceed ended up calling normal_stop (and
|
/* If all error()s out of proceed ended up calling normal_stop (and
|
perhaps they should; it already does in the special case of error
|
perhaps they should; it already does in the special case of error
|
out of resume()), then we wouldn't need this. */
|
out of resume()), then we wouldn't need this. */
|
make_cleanup (breakpoint_auto_delete_contents, &stop_bpstat);
|
make_cleanup (breakpoint_auto_delete_contents, &stop_bpstat);
|
}
|
}
|
|
|
disable_watchpoints_before_interactive_call_start ();
|
disable_watchpoints_before_interactive_call_start ();
|
proceed_to_finish = 1; /* We want stop_registers, please... */
|
proceed_to_finish = 1; /* We want stop_registers, please... */
|
|
|
if (target_can_async_p ())
|
if (target_can_async_p ())
|
saved_async = target_async_mask (0);
|
saved_async = target_async_mask (0);
|
|
|
proceed (addr, TARGET_SIGNAL_0, 0);
|
proceed (addr, TARGET_SIGNAL_0, 0);
|
|
|
if (saved_async)
|
if (saved_async)
|
target_async_mask (saved_async);
|
target_async_mask (saved_async);
|
|
|
enable_watchpoints_after_interactive_call_stop ();
|
enable_watchpoints_after_interactive_call_stop ();
|
|
|
discard_cleanups (old_cleanups);
|
discard_cleanups (old_cleanups);
|
|
|
/* We can stop during an inferior call because a signal is received. */
|
/* We can stop during an inferior call because a signal is received. */
|
if (stopped_by_random_signal)
|
if (stopped_by_random_signal)
|
return 1;
|
return 1;
|
|
|
/* We may also stop prematurely because we hit a breakpoint in the
|
/* We may also stop prematurely because we hit a breakpoint in the
|
called routine. */
|
called routine. */
|
if (!stop_stack_dummy)
|
if (!stop_stack_dummy)
|
return 2;
|
return 2;
|
|
|
/* On normal return, the stack dummy has been popped already. */
|
/* On normal return, the stack dummy has been popped already. */
|
|
|
memcpy (buffer, stop_registers, REGISTER_BYTES);
|
memcpy (buffer, stop_registers, REGISTER_BYTES);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Proceed until we reach a different source line with pc greater than
|
/* Proceed until we reach a different source line with pc greater than
|
our current one or exit the function. We skip calls in both cases.
|
our current one or exit the function. We skip calls in both cases.
|
|
|
Note that eventually this command should probably be changed so
|
Note that eventually this command should probably be changed so
|
that only source lines are printed out when we hit the breakpoint
|
that only source lines are printed out when we hit the breakpoint
|
we set. This may involve changes to wait_for_inferior and the
|
we set. This may involve changes to wait_for_inferior and the
|
proceed status code. */
|
proceed status code. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
until_next_command (from_tty)
|
until_next_command (from_tty)
|
int from_tty;
|
int from_tty;
|
{
|
{
|
struct frame_info *frame;
|
struct frame_info *frame;
|
CORE_ADDR pc;
|
CORE_ADDR pc;
|
struct symbol *func;
|
struct symbol *func;
|
struct symtab_and_line sal;
|
struct symtab_and_line sal;
|
|
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
frame = get_current_frame ();
|
frame = get_current_frame ();
|
|
|
/* Step until either exited from this function or greater
|
/* Step until either exited from this function or greater
|
than the current line (if in symbolic section) or pc (if
|
than the current line (if in symbolic section) or pc (if
|
not). */
|
not). */
|
|
|
pc = read_pc ();
|
pc = read_pc ();
|
func = find_pc_function (pc);
|
func = find_pc_function (pc);
|
|
|
if (!func)
|
if (!func)
|
{
|
{
|
struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc);
|
struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc);
|
|
|
if (msymbol == NULL)
|
if (msymbol == NULL)
|
error ("Execution is not within a known function.");
|
error ("Execution is not within a known function.");
|
|
|
step_range_start = SYMBOL_VALUE_ADDRESS (msymbol);
|
step_range_start = SYMBOL_VALUE_ADDRESS (msymbol);
|
step_range_end = pc;
|
step_range_end = pc;
|
}
|
}
|
else
|
else
|
{
|
{
|
sal = find_pc_line (pc, 0);
|
sal = find_pc_line (pc, 0);
|
|
|
step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func));
|
step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func));
|
step_range_end = sal.end;
|
step_range_end = sal.end;
|
}
|
}
|
|
|
step_over_calls = 1;
|
step_over_calls = 1;
|
step_frame_address = FRAME_FP (frame);
|
step_frame_address = FRAME_FP (frame);
|
step_sp = read_sp ();
|
step_sp = read_sp ();
|
|
|
step_multi = 0; /* Only one call to proceed */
|
step_multi = 0; /* Only one call to proceed */
|
|
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
|
}
|
}
|
|
|
static void
|
static void
|
until_command (arg, from_tty)
|
until_command (arg, from_tty)
|
char *arg;
|
char *arg;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
int async_exec = 0;
|
int async_exec = 0;
|
|
|
if (!target_has_execution)
|
if (!target_has_execution)
|
error ("The program is not running.");
|
error ("The program is not running.");
|
|
|
/* Find out whether we must run in the background. */
|
/* Find out whether we must run in the background. */
|
if (arg != NULL)
|
if (arg != NULL)
|
async_exec = strip_bg_char (&arg);
|
async_exec = strip_bg_char (&arg);
|
|
|
/* If we must run in the background, but the target can't do it,
|
/* If we must run in the background, but the target can't do it,
|
error out. */
|
error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we are not asked to run in the bg, then prepare to run in the
|
/* If we are not asked to run in the bg, then prepare to run in the
|
foreground, synchronously. */
|
foreground, synchronously. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
if (arg)
|
if (arg)
|
until_break_command (arg, from_tty);
|
until_break_command (arg, from_tty);
|
else
|
else
|
until_next_command (from_tty);
|
until_next_command (from_tty);
|
}
|
}
|
|
|
|
|
/* Print the result of a function at the end of a 'finish' command. */
|
/* Print the result of a function at the end of a 'finish' command. */
|
static void
|
static void
|
print_return_value (int structure_return, struct type *value_type)
|
print_return_value (int structure_return, struct type *value_type)
|
{
|
{
|
register value_ptr value;
|
register value_ptr value;
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
static struct ui_stream *stb = NULL;
|
static struct ui_stream *stb = NULL;
|
#endif /* UI_OUT */
|
#endif /* UI_OUT */
|
|
|
if (!structure_return)
|
if (!structure_return)
|
{
|
{
|
value = value_being_returned (value_type, stop_registers, structure_return);
|
value = value_being_returned (value_type, stop_registers, structure_return);
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
stb = ui_out_stream_new (uiout);
|
stb = ui_out_stream_new (uiout);
|
ui_out_text (uiout, "Value returned is ");
|
ui_out_text (uiout, "Value returned is ");
|
ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
|
ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
|
ui_out_text (uiout, "= ");
|
ui_out_text (uiout, "= ");
|
value_print (value, stb->stream, 0, Val_no_prettyprint);
|
value_print (value, stb->stream, 0, Val_no_prettyprint);
|
ui_out_field_stream (uiout, "return-value", stb);
|
ui_out_field_stream (uiout, "return-value", stb);
|
ui_out_text (uiout, "\n");
|
ui_out_text (uiout, "\n");
|
#else /* UI_OUT */
|
#else /* UI_OUT */
|
printf_filtered ("Value returned is $%d = ", record_latest_value (value));
|
printf_filtered ("Value returned is $%d = ", record_latest_value (value));
|
value_print (value, gdb_stdout, 0, Val_no_prettyprint);
|
value_print (value, gdb_stdout, 0, Val_no_prettyprint);
|
printf_filtered ("\n");
|
printf_filtered ("\n");
|
#endif /* UI_OUT */
|
#endif /* UI_OUT */
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We cannot determine the contents of the structure because
|
/* We cannot determine the contents of the structure because
|
it is on the stack, and we don't know where, since we did not
|
it is on the stack, and we don't know where, since we did not
|
initiate the call, as opposed to the call_function_by_hand case */
|
initiate the call, as opposed to the call_function_by_hand case */
|
#ifdef VALUE_RETURNED_FROM_STACK
|
#ifdef VALUE_RETURNED_FROM_STACK
|
value = 0;
|
value = 0;
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
ui_out_text (uiout, "Value returned has type: ");
|
ui_out_text (uiout, "Value returned has type: ");
|
ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type));
|
ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type));
|
ui_out_text (uiout, ".");
|
ui_out_text (uiout, ".");
|
ui_out_text (uiout, " Cannot determine contents\n");
|
ui_out_text (uiout, " Cannot determine contents\n");
|
#else /* UI_OUT */
|
#else /* UI_OUT */
|
printf_filtered ("Value returned has type: %s.", TYPE_NAME (value_type));
|
printf_filtered ("Value returned has type: %s.", TYPE_NAME (value_type));
|
printf_filtered (" Cannot determine contents\n");
|
printf_filtered (" Cannot determine contents\n");
|
#endif /* UI_OUT */
|
#endif /* UI_OUT */
|
#else
|
#else
|
value = value_being_returned (value_type, stop_registers, structure_return);
|
value = value_being_returned (value_type, stop_registers, structure_return);
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
stb = ui_out_stream_new (uiout);
|
stb = ui_out_stream_new (uiout);
|
ui_out_text (uiout, "Value returned is ");
|
ui_out_text (uiout, "Value returned is ");
|
ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
|
ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
|
ui_out_text (uiout, "= ");
|
ui_out_text (uiout, "= ");
|
value_print (value, stb->stream, 0, Val_no_prettyprint);
|
value_print (value, stb->stream, 0, Val_no_prettyprint);
|
ui_out_field_stream (uiout, "return-value", stb);
|
ui_out_field_stream (uiout, "return-value", stb);
|
ui_out_text (uiout, "\n");
|
ui_out_text (uiout, "\n");
|
#else
|
#else
|
printf_filtered ("Value returned is $%d = ", record_latest_value (value));
|
printf_filtered ("Value returned is $%d = ", record_latest_value (value));
|
value_print (value, gdb_stdout, 0, Val_no_prettyprint);
|
value_print (value, gdb_stdout, 0, Val_no_prettyprint);
|
printf_filtered ("\n");
|
printf_filtered ("\n");
|
#endif
|
#endif
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
|
|
/* Stuff that needs to be done by the finish command after the target
|
/* Stuff that needs to be done by the finish command after the target
|
has stopped. In asynchronous mode, we wait for the target to stop in
|
has stopped. In asynchronous mode, we wait for the target to stop in
|
the call to poll or select in the event loop, so it is impossible to
|
the call to poll or select in the event loop, so it is impossible to
|
do all the stuff as part of the finish_command function itself. The
|
do all the stuff as part of the finish_command function itself. The
|
only chance we have to complete this command is in
|
only chance we have to complete this command is in
|
fetch_inferior_event, which is called by the event loop as soon as it
|
fetch_inferior_event, which is called by the event loop as soon as it
|
detects that the target has stopped. This function is called via the
|
detects that the target has stopped. This function is called via the
|
cmd_continaution pointer. */
|
cmd_continaution pointer. */
|
void
|
void
|
finish_command_continuation (arg)
|
finish_command_continuation (arg)
|
struct continuation_arg *arg;
|
struct continuation_arg *arg;
|
{
|
{
|
register struct symbol *function;
|
register struct symbol *function;
|
struct breakpoint *breakpoint;
|
struct breakpoint *breakpoint;
|
struct cleanup *cleanups;
|
struct cleanup *cleanups;
|
|
|
breakpoint = (struct breakpoint *) arg->data.pointer;
|
breakpoint = (struct breakpoint *) arg->data.pointer;
|
function = (struct symbol *) arg->next->data.pointer;
|
function = (struct symbol *) arg->next->data.pointer;
|
cleanups = (struct cleanup *) arg->next->next->data.pointer;
|
cleanups = (struct cleanup *) arg->next->next->data.pointer;
|
|
|
if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL
|
if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL
|
&& function != 0)
|
&& function != 0)
|
{
|
{
|
struct type *value_type;
|
struct type *value_type;
|
CORE_ADDR funcaddr;
|
CORE_ADDR funcaddr;
|
int struct_return;
|
int struct_return;
|
|
|
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
|
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
|
if (!value_type)
|
if (!value_type)
|
internal_error ("finish_command: function has no target type");
|
internal_error ("finish_command: function has no target type");
|
|
|
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
|
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
|
{
|
{
|
do_exec_cleanups (cleanups);
|
do_exec_cleanups (cleanups);
|
return;
|
return;
|
}
|
}
|
|
|
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
|
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
|
|
|
struct_return = using_struct_return (value_of_variable (function, NULL),
|
struct_return = using_struct_return (value_of_variable (function, NULL),
|
funcaddr,
|
funcaddr,
|
check_typedef (value_type),
|
check_typedef (value_type),
|
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
|
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
|
|
|
print_return_value (struct_return, value_type);
|
print_return_value (struct_return, value_type);
|
}
|
}
|
do_exec_cleanups (cleanups);
|
do_exec_cleanups (cleanups);
|
}
|
}
|
|
|
/* "finish": Set a temporary breakpoint at the place
|
/* "finish": Set a temporary breakpoint at the place
|
the selected frame will return to, then continue. */
|
the selected frame will return to, then continue. */
|
|
|
static void
|
static void
|
finish_command (arg, from_tty)
|
finish_command (arg, from_tty)
|
char *arg;
|
char *arg;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
struct symtab_and_line sal;
|
struct symtab_and_line sal;
|
register struct frame_info *frame;
|
register struct frame_info *frame;
|
register struct symbol *function;
|
register struct symbol *function;
|
struct breakpoint *breakpoint;
|
struct breakpoint *breakpoint;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
struct continuation_arg *arg1, *arg2, *arg3;
|
struct continuation_arg *arg1, *arg2, *arg3;
|
|
|
int async_exec = 0;
|
int async_exec = 0;
|
|
|
/* Find out whether we must run in the background. */
|
/* Find out whether we must run in the background. */
|
if (arg != NULL)
|
if (arg != NULL)
|
async_exec = strip_bg_char (&arg);
|
async_exec = strip_bg_char (&arg);
|
|
|
/* If we must run in the background, but the target can't do it,
|
/* If we must run in the background, but the target can't do it,
|
error out. */
|
error out. */
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
if (event_loop_p && async_exec && !target_can_async_p ())
|
error ("Asynchronous execution not supported on this target.");
|
error ("Asynchronous execution not supported on this target.");
|
|
|
/* If we are not asked to run in the bg, then prepare to run in the
|
/* If we are not asked to run in the bg, then prepare to run in the
|
foreground, synchronously. */
|
foreground, synchronously. */
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
if (event_loop_p && !async_exec && target_can_async_p ())
|
{
|
{
|
/* Simulate synchronous execution */
|
/* Simulate synchronous execution */
|
async_disable_stdin ();
|
async_disable_stdin ();
|
}
|
}
|
|
|
if (arg)
|
if (arg)
|
error ("The \"finish\" command does not take any arguments.");
|
error ("The \"finish\" command does not take any arguments.");
|
if (!target_has_execution)
|
if (!target_has_execution)
|
error ("The program is not running.");
|
error ("The program is not running.");
|
if (selected_frame == NULL)
|
if (selected_frame == NULL)
|
error ("No selected frame.");
|
error ("No selected frame.");
|
|
|
frame = get_prev_frame (selected_frame);
|
frame = get_prev_frame (selected_frame);
|
if (frame == 0)
|
if (frame == 0)
|
error ("\"finish\" not meaningful in the outermost frame.");
|
error ("\"finish\" not meaningful in the outermost frame.");
|
|
|
clear_proceed_status ();
|
clear_proceed_status ();
|
|
|
sal = find_pc_line (frame->pc, 0);
|
sal = find_pc_line (frame->pc, 0);
|
sal.pc = frame->pc;
|
sal.pc = frame->pc;
|
|
|
breakpoint = set_momentary_breakpoint (sal, frame, bp_finish);
|
breakpoint = set_momentary_breakpoint (sal, frame, bp_finish);
|
|
|
if (!event_loop_p || !target_can_async_p ())
|
if (!event_loop_p || !target_can_async_p ())
|
old_chain = make_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
|
old_chain = make_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
|
else
|
else
|
old_chain = make_exec_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
|
old_chain = make_exec_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
|
|
|
/* Find the function we will return from. */
|
/* Find the function we will return from. */
|
|
|
function = find_pc_function (selected_frame->pc);
|
function = find_pc_function (selected_frame->pc);
|
|
|
/* Print info on the selected frame, including level number
|
/* Print info on the selected frame, including level number
|
but not source. */
|
but not source. */
|
if (from_tty)
|
if (from_tty)
|
{
|
{
|
printf_filtered ("Run till exit from ");
|
printf_filtered ("Run till exit from ");
|
print_stack_frame (selected_frame, selected_frame_level, 0);
|
print_stack_frame (selected_frame, selected_frame_level, 0);
|
}
|
}
|
|
|
/* If running asynchronously and the target support asynchronous
|
/* If running asynchronously and the target support asynchronous
|
execution, set things up for the rest of the finish command to be
|
execution, set things up for the rest of the finish command to be
|
completed later on, when gdb has detected that the target has
|
completed later on, when gdb has detected that the target has
|
stopped, in fetch_inferior_event. */
|
stopped, in fetch_inferior_event. */
|
if (event_loop_p && target_can_async_p ())
|
if (event_loop_p && target_can_async_p ())
|
{
|
{
|
arg1 =
|
arg1 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg2 =
|
arg2 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg3 =
|
arg3 =
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
arg1->next = arg2;
|
arg1->next = arg2;
|
arg2->next = arg3;
|
arg2->next = arg3;
|
arg3->next = NULL;
|
arg3->next = NULL;
|
arg1->data.pointer = breakpoint;
|
arg1->data.pointer = breakpoint;
|
arg2->data.pointer = function;
|
arg2->data.pointer = function;
|
arg3->data.pointer = old_chain;
|
arg3->data.pointer = old_chain;
|
add_continuation (finish_command_continuation, arg1);
|
add_continuation (finish_command_continuation, arg1);
|
}
|
}
|
|
|
proceed_to_finish = 1; /* We want stop_registers, please... */
|
proceed_to_finish = 1; /* We want stop_registers, please... */
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
|
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
|
|
|
/* Do this only if not running asynchronously or if the target
|
/* Do this only if not running asynchronously or if the target
|
cannot do async execution. Otherwise, complete this command when
|
cannot do async execution. Otherwise, complete this command when
|
the target actually stops, in fetch_inferior_event. */
|
the target actually stops, in fetch_inferior_event. */
|
if (!event_loop_p || !target_can_async_p ())
|
if (!event_loop_p || !target_can_async_p ())
|
{
|
{
|
|
|
/* Did we stop at our breakpoint? */
|
/* Did we stop at our breakpoint? */
|
if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL
|
if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL
|
&& function != 0)
|
&& function != 0)
|
{
|
{
|
struct type *value_type;
|
struct type *value_type;
|
CORE_ADDR funcaddr;
|
CORE_ADDR funcaddr;
|
int struct_return;
|
int struct_return;
|
|
|
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
|
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
|
if (!value_type)
|
if (!value_type)
|
internal_error ("finish_command: function has no target type");
|
internal_error ("finish_command: function has no target type");
|
|
|
/* FIXME: Shouldn't we do the cleanups before returning? */
|
/* FIXME: Shouldn't we do the cleanups before returning? */
|
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
|
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
|
return;
|
return;
|
|
|
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
|
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
|
|
|
struct_return =
|
struct_return =
|
using_struct_return (value_of_variable (function, NULL),
|
using_struct_return (value_of_variable (function, NULL),
|
funcaddr,
|
funcaddr,
|
check_typedef (value_type),
|
check_typedef (value_type),
|
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
|
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
|
|
|
print_return_value (struct_return, value_type);
|
print_return_value (struct_return, value_type);
|
}
|
}
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
}
|
}
|
}
|
}
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
program_info (args, from_tty)
|
program_info (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
bpstat bs = stop_bpstat;
|
bpstat bs = stop_bpstat;
|
int num = bpstat_num (&bs);
|
int num = bpstat_num (&bs);
|
|
|
if (!target_has_execution)
|
if (!target_has_execution)
|
{
|
{
|
printf_filtered ("The program being debugged is not being run.\n");
|
printf_filtered ("The program being debugged is not being run.\n");
|
return;
|
return;
|
}
|
}
|
|
|
target_files_info ();
|
target_files_info ();
|
printf_filtered ("Program stopped at %s.\n",
|
printf_filtered ("Program stopped at %s.\n",
|
local_hex_string ((unsigned long) stop_pc));
|
local_hex_string ((unsigned long) stop_pc));
|
if (stop_step)
|
if (stop_step)
|
printf_filtered ("It stopped after being stepped.\n");
|
printf_filtered ("It stopped after being stepped.\n");
|
else if (num != 0)
|
else if (num != 0)
|
{
|
{
|
/* There may be several breakpoints in the same place, so this
|
/* There may be several breakpoints in the same place, so this
|
isn't as strange as it seems. */
|
isn't as strange as it seems. */
|
while (num != 0)
|
while (num != 0)
|
{
|
{
|
if (num < 0)
|
if (num < 0)
|
{
|
{
|
printf_filtered ("It stopped at a breakpoint that has ");
|
printf_filtered ("It stopped at a breakpoint that has ");
|
printf_filtered ("since been deleted.\n");
|
printf_filtered ("since been deleted.\n");
|
}
|
}
|
else
|
else
|
printf_filtered ("It stopped at breakpoint %d.\n", num);
|
printf_filtered ("It stopped at breakpoint %d.\n", num);
|
num = bpstat_num (&bs);
|
num = bpstat_num (&bs);
|
}
|
}
|
}
|
}
|
else if (stop_signal != TARGET_SIGNAL_0)
|
else if (stop_signal != TARGET_SIGNAL_0)
|
{
|
{
|
printf_filtered ("It stopped with signal %s, %s.\n",
|
printf_filtered ("It stopped with signal %s, %s.\n",
|
target_signal_to_name (stop_signal),
|
target_signal_to_name (stop_signal),
|
target_signal_to_string (stop_signal));
|
target_signal_to_string (stop_signal));
|
}
|
}
|
|
|
if (!from_tty)
|
if (!from_tty)
|
{
|
{
|
printf_filtered ("Type \"info stack\" or \"info registers\" ");
|
printf_filtered ("Type \"info stack\" or \"info registers\" ");
|
printf_filtered ("for more information.\n");
|
printf_filtered ("for more information.\n");
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
environment_info (var, from_tty)
|
environment_info (var, from_tty)
|
char *var;
|
char *var;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
if (var)
|
if (var)
|
{
|
{
|
register char *val = get_in_environ (inferior_environ, var);
|
register char *val = get_in_environ (inferior_environ, var);
|
if (val)
|
if (val)
|
{
|
{
|
puts_filtered (var);
|
puts_filtered (var);
|
puts_filtered (" = ");
|
puts_filtered (" = ");
|
puts_filtered (val);
|
puts_filtered (val);
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
}
|
}
|
else
|
else
|
{
|
{
|
puts_filtered ("Environment variable \"");
|
puts_filtered ("Environment variable \"");
|
puts_filtered (var);
|
puts_filtered (var);
|
puts_filtered ("\" not defined.\n");
|
puts_filtered ("\" not defined.\n");
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
register char **vector = environ_vector (inferior_environ);
|
register char **vector = environ_vector (inferior_environ);
|
while (*vector)
|
while (*vector)
|
{
|
{
|
puts_filtered (*vector++);
|
puts_filtered (*vector++);
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
set_environment_command (arg, from_tty)
|
set_environment_command (arg, from_tty)
|
char *arg;
|
char *arg;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
register char *p, *val, *var;
|
register char *p, *val, *var;
|
int nullset = 0;
|
int nullset = 0;
|
|
|
if (arg == 0)
|
if (arg == 0)
|
error_no_arg ("environment variable and value");
|
error_no_arg ("environment variable and value");
|
|
|
/* Find seperation between variable name and value */
|
/* Find seperation between variable name and value */
|
p = (char *) strchr (arg, '=');
|
p = (char *) strchr (arg, '=');
|
val = (char *) strchr (arg, ' ');
|
val = (char *) strchr (arg, ' ');
|
|
|
if (p != 0 && val != 0)
|
if (p != 0 && val != 0)
|
{
|
{
|
/* We have both a space and an equals. If the space is before the
|
/* We have both a space and an equals. If the space is before the
|
equals, walk forward over the spaces til we see a nonspace
|
equals, walk forward over the spaces til we see a nonspace
|
(possibly the equals). */
|
(possibly the equals). */
|
if (p > val)
|
if (p > val)
|
while (*val == ' ')
|
while (*val == ' ')
|
val++;
|
val++;
|
|
|
/* Now if the = is after the char following the spaces,
|
/* Now if the = is after the char following the spaces,
|
take the char following the spaces. */
|
take the char following the spaces. */
|
if (p > val)
|
if (p > val)
|
p = val - 1;
|
p = val - 1;
|
}
|
}
|
else if (val != 0 && p == 0)
|
else if (val != 0 && p == 0)
|
p = val;
|
p = val;
|
|
|
if (p == arg)
|
if (p == arg)
|
error_no_arg ("environment variable to set");
|
error_no_arg ("environment variable to set");
|
|
|
if (p == 0 || p[1] == 0)
|
if (p == 0 || p[1] == 0)
|
{
|
{
|
nullset = 1;
|
nullset = 1;
|
if (p == 0)
|
if (p == 0)
|
p = arg + strlen (arg); /* So that savestring below will work */
|
p = arg + strlen (arg); /* So that savestring below will work */
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Not setting variable value to null */
|
/* Not setting variable value to null */
|
val = p + 1;
|
val = p + 1;
|
while (*val == ' ' || *val == '\t')
|
while (*val == ' ' || *val == '\t')
|
val++;
|
val++;
|
}
|
}
|
|
|
while (p != arg && (p[-1] == ' ' || p[-1] == '\t'))
|
while (p != arg && (p[-1] == ' ' || p[-1] == '\t'))
|
p--;
|
p--;
|
|
|
var = savestring (arg, p - arg);
|
var = savestring (arg, p - arg);
|
if (nullset)
|
if (nullset)
|
{
|
{
|
printf_filtered ("Setting environment variable ");
|
printf_filtered ("Setting environment variable ");
|
printf_filtered ("\"%s\" to null value.\n", var);
|
printf_filtered ("\"%s\" to null value.\n", var);
|
set_in_environ (inferior_environ, var, "");
|
set_in_environ (inferior_environ, var, "");
|
}
|
}
|
else
|
else
|
set_in_environ (inferior_environ, var, val);
|
set_in_environ (inferior_environ, var, val);
|
free (var);
|
free (var);
|
}
|
}
|
|
|
static void
|
static void
|
unset_environment_command (var, from_tty)
|
unset_environment_command (var, from_tty)
|
char *var;
|
char *var;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
if (var == 0)
|
if (var == 0)
|
{
|
{
|
/* If there is no argument, delete all environment variables.
|
/* If there is no argument, delete all environment variables.
|
Ask for confirmation if reading from the terminal. */
|
Ask for confirmation if reading from the terminal. */
|
if (!from_tty || query ("Delete all environment variables? "))
|
if (!from_tty || query ("Delete all environment variables? "))
|
{
|
{
|
free_environ (inferior_environ);
|
free_environ (inferior_environ);
|
inferior_environ = make_environ ();
|
inferior_environ = make_environ ();
|
}
|
}
|
}
|
}
|
else
|
else
|
unset_in_environ (inferior_environ, var);
|
unset_in_environ (inferior_environ, var);
|
}
|
}
|
|
|
/* Handle the execution path (PATH variable) */
|
/* Handle the execution path (PATH variable) */
|
|
|
static const char path_var_name[] = "PATH";
|
static const char path_var_name[] = "PATH";
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
path_info (args, from_tty)
|
path_info (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
puts_filtered ("Executable and object file path: ");
|
puts_filtered ("Executable and object file path: ");
|
puts_filtered (get_in_environ (inferior_environ, path_var_name));
|
puts_filtered (get_in_environ (inferior_environ, path_var_name));
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
}
|
}
|
|
|
/* Add zero or more directories to the front of the execution path. */
|
/* Add zero or more directories to the front of the execution path. */
|
|
|
static void
|
static void
|
path_command (dirname, from_tty)
|
path_command (dirname, from_tty)
|
char *dirname;
|
char *dirname;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
char *exec_path;
|
char *exec_path;
|
char *env;
|
char *env;
|
dont_repeat ();
|
dont_repeat ();
|
env = get_in_environ (inferior_environ, path_var_name);
|
env = get_in_environ (inferior_environ, path_var_name);
|
/* Can be null if path is not set */
|
/* Can be null if path is not set */
|
if (!env)
|
if (!env)
|
env = "";
|
env = "";
|
exec_path = strsave (env);
|
exec_path = strsave (env);
|
mod_path (dirname, &exec_path);
|
mod_path (dirname, &exec_path);
|
set_in_environ (inferior_environ, path_var_name, exec_path);
|
set_in_environ (inferior_environ, path_var_name, exec_path);
|
free (exec_path);
|
free (exec_path);
|
if (from_tty)
|
if (from_tty)
|
path_info ((char *) NULL, from_tty);
|
path_info ((char *) NULL, from_tty);
|
}
|
}
|
|
|
|
|
#ifdef REGISTER_NAMES
|
#ifdef REGISTER_NAMES
|
char *gdb_register_names[] = REGISTER_NAMES;
|
char *gdb_register_names[] = REGISTER_NAMES;
|
#endif
|
#endif
|
/* Print out the machine register regnum. If regnum is -1,
|
/* Print out the machine register regnum. If regnum is -1,
|
print all registers (fpregs == 1) or all non-float registers
|
print all registers (fpregs == 1) or all non-float registers
|
(fpregs == 0).
|
(fpregs == 0).
|
|
|
For most machines, having all_registers_info() print the
|
For most machines, having all_registers_info() print the
|
register(s) one per line is good enough. If a different format
|
register(s) one per line is good enough. If a different format
|
is required, (eg, for MIPS or Pyramid 90x, which both have
|
is required, (eg, for MIPS or Pyramid 90x, which both have
|
lots of regs), or there is an existing convention for showing
|
lots of regs), or there is an existing convention for showing
|
all the registers, define the macro DO_REGISTERS_INFO(regnum, fp)
|
all the registers, define the macro DO_REGISTERS_INFO(regnum, fp)
|
to provide that format. */
|
to provide that format. */
|
|
|
#if !defined (DO_REGISTERS_INFO)
|
#if !defined (DO_REGISTERS_INFO)
|
|
|
#define DO_REGISTERS_INFO(regnum, fp) do_registers_info(regnum, fp)
|
#define DO_REGISTERS_INFO(regnum, fp) do_registers_info(regnum, fp)
|
|
|
static void
|
static void
|
do_registers_info (regnum, fpregs)
|
do_registers_info (regnum, fpregs)
|
int regnum;
|
int regnum;
|
int fpregs;
|
int fpregs;
|
{
|
{
|
register int i;
|
register int i;
|
int numregs = ARCH_NUM_REGS;
|
int numregs = ARCH_NUM_REGS;
|
|
|
for (i = 0; i < numregs; i++)
|
for (i = 0; i < numregs; i++)
|
{
|
{
|
char raw_buffer[MAX_REGISTER_RAW_SIZE];
|
char raw_buffer[MAX_REGISTER_RAW_SIZE];
|
char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
|
char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
|
|
|
/* Decide between printing all regs, nonfloat regs, or specific reg. */
|
/* Decide between printing all regs, nonfloat regs, or specific reg. */
|
if (regnum == -1)
|
if (regnum == -1)
|
{
|
{
|
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT && !fpregs)
|
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT && !fpregs)
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (i != regnum)
|
if (i != regnum)
|
continue;
|
continue;
|
}
|
}
|
|
|
/* If the register name is empty, it is undefined for this
|
/* If the register name is empty, it is undefined for this
|
processor, so don't display anything. */
|
processor, so don't display anything. */
|
if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
|
if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
|
continue;
|
continue;
|
|
|
fputs_filtered (REGISTER_NAME (i), gdb_stdout);
|
fputs_filtered (REGISTER_NAME (i), gdb_stdout);
|
print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), gdb_stdout);
|
print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), gdb_stdout);
|
|
|
/* Get the data in raw format. */
|
/* Get the data in raw format. */
|
if (read_relative_register_raw_bytes (i, raw_buffer))
|
if (read_relative_register_raw_bytes (i, raw_buffer))
|
{
|
{
|
printf_filtered ("*value not available*\n");
|
printf_filtered ("*value not available*\n");
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Convert raw data to virtual format if necessary. */
|
/* Convert raw data to virtual format if necessary. */
|
if (REGISTER_CONVERTIBLE (i))
|
if (REGISTER_CONVERTIBLE (i))
|
{
|
{
|
REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
|
REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
|
raw_buffer, virtual_buffer);
|
raw_buffer, virtual_buffer);
|
}
|
}
|
else
|
else
|
{
|
{
|
memcpy (virtual_buffer, raw_buffer,
|
memcpy (virtual_buffer, raw_buffer,
|
REGISTER_VIRTUAL_SIZE (i));
|
REGISTER_VIRTUAL_SIZE (i));
|
}
|
}
|
|
|
/* If virtual format is floating, print it that way, and in raw hex. */
|
/* If virtual format is floating, print it that way, and in raw hex. */
|
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
|
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
|
{
|
{
|
register int j;
|
register int j;
|
|
|
#ifdef INVALID_FLOAT
|
#ifdef INVALID_FLOAT
|
if (INVALID_FLOAT (virtual_buffer, REGISTER_VIRTUAL_SIZE (i)))
|
if (INVALID_FLOAT (virtual_buffer, REGISTER_VIRTUAL_SIZE (i)))
|
printf_filtered ("<invalid float>");
|
printf_filtered ("<invalid float>");
|
else
|
else
|
#endif
|
#endif
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
gdb_stdout, 0, 1, 0, Val_pretty_default);
|
gdb_stdout, 0, 1, 0, Val_pretty_default);
|
|
|
printf_filtered ("\t(raw 0x");
|
printf_filtered ("\t(raw 0x");
|
for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
|
for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
|
{
|
{
|
register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
|
register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
|
: REGISTER_RAW_SIZE (i) - 1 - j;
|
: REGISTER_RAW_SIZE (i) - 1 - j;
|
printf_filtered ("%02x", (unsigned char) raw_buffer[idx]);
|
printf_filtered ("%02x", (unsigned char) raw_buffer[idx]);
|
}
|
}
|
printf_filtered (")");
|
printf_filtered (")");
|
}
|
}
|
|
|
/* FIXME! val_print probably can handle all of these cases now... */
|
/* FIXME! val_print probably can handle all of these cases now... */
|
|
|
/* Else if virtual format is too long for printf,
|
/* Else if virtual format is too long for printf,
|
print in hex a byte at a time. */
|
print in hex a byte at a time. */
|
else if (REGISTER_VIRTUAL_SIZE (i) > (int) sizeof (long))
|
else if (REGISTER_VIRTUAL_SIZE (i) > (int) sizeof (long))
|
{
|
{
|
register int j;
|
register int j;
|
printf_filtered ("0x");
|
printf_filtered ("0x");
|
for (j = 0; j < REGISTER_VIRTUAL_SIZE (i); j++)
|
for (j = 0; j < REGISTER_VIRTUAL_SIZE (i); j++)
|
printf_filtered ("%02x", (unsigned char) virtual_buffer[j]);
|
printf_filtered ("%02x", (unsigned char) virtual_buffer[j]);
|
}
|
}
|
/* Else print as integer in hex and in decimal. */
|
/* Else print as integer in hex and in decimal. */
|
else
|
else
|
{
|
{
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
gdb_stdout, 'x', 1, 0, Val_pretty_default);
|
gdb_stdout, 'x', 1, 0, Val_pretty_default);
|
printf_filtered ("\t");
|
printf_filtered ("\t");
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
|
gdb_stdout, 0, 1, 0, Val_pretty_default);
|
gdb_stdout, 0, 1, 0, Val_pretty_default);
|
}
|
}
|
|
|
/* The SPARC wants to print even-numbered float regs as doubles
|
/* The SPARC wants to print even-numbered float regs as doubles
|
in addition to printing them as floats. */
|
in addition to printing them as floats. */
|
#ifdef PRINT_REGISTER_HOOK
|
#ifdef PRINT_REGISTER_HOOK
|
PRINT_REGISTER_HOOK (i);
|
PRINT_REGISTER_HOOK (i);
|
#endif
|
#endif
|
|
|
printf_filtered ("\n");
|
printf_filtered ("\n");
|
}
|
}
|
}
|
}
|
#endif /* no DO_REGISTERS_INFO. */
|
#endif /* no DO_REGISTERS_INFO. */
|
|
|
void
|
void
|
registers_info (addr_exp, fpregs)
|
registers_info (addr_exp, fpregs)
|
char *addr_exp;
|
char *addr_exp;
|
int fpregs;
|
int fpregs;
|
{
|
{
|
int regnum, numregs;
|
int regnum, numregs;
|
register char *end;
|
register char *end;
|
|
|
if (!target_has_registers)
|
if (!target_has_registers)
|
error ("The program has no registers now.");
|
error ("The program has no registers now.");
|
if (selected_frame == NULL)
|
if (selected_frame == NULL)
|
error ("No selected frame.");
|
error ("No selected frame.");
|
|
|
if (!addr_exp)
|
if (!addr_exp)
|
{
|
{
|
DO_REGISTERS_INFO (-1, fpregs);
|
DO_REGISTERS_INFO (-1, fpregs);
|
return;
|
return;
|
}
|
}
|
|
|
do
|
do
|
{
|
{
|
if (addr_exp[0] == '$')
|
if (addr_exp[0] == '$')
|
addr_exp++;
|
addr_exp++;
|
end = addr_exp;
|
end = addr_exp;
|
while (*end != '\0' && *end != ' ' && *end != '\t')
|
while (*end != '\0' && *end != ' ' && *end != '\t')
|
++end;
|
++end;
|
numregs = ARCH_NUM_REGS;
|
numregs = ARCH_NUM_REGS;
|
|
|
regnum = target_map_name_to_register (addr_exp, end - addr_exp);
|
regnum = target_map_name_to_register (addr_exp, end - addr_exp);
|
if (regnum >= 0)
|
if (regnum >= 0)
|
goto found;
|
goto found;
|
|
|
regnum = numregs;
|
regnum = numregs;
|
|
|
if (*addr_exp >= '0' && *addr_exp <= '9')
|
if (*addr_exp >= '0' && *addr_exp <= '9')
|
regnum = atoi (addr_exp); /* Take a number */
|
regnum = atoi (addr_exp); /* Take a number */
|
if (regnum >= numregs) /* Bad name, or bad number */
|
if (regnum >= numregs) /* Bad name, or bad number */
|
error ("%.*s: invalid register", end - addr_exp, addr_exp);
|
error ("%.*s: invalid register", end - addr_exp, addr_exp);
|
|
|
found:
|
found:
|
DO_REGISTERS_INFO (regnum, fpregs);
|
DO_REGISTERS_INFO (regnum, fpregs);
|
|
|
addr_exp = end;
|
addr_exp = end;
|
while (*addr_exp == ' ' || *addr_exp == '\t')
|
while (*addr_exp == ' ' || *addr_exp == '\t')
|
++addr_exp;
|
++addr_exp;
|
}
|
}
|
while (*addr_exp != '\0');
|
while (*addr_exp != '\0');
|
}
|
}
|
|
|
void
|
void
|
all_registers_info (addr_exp, from_tty)
|
all_registers_info (addr_exp, from_tty)
|
char *addr_exp;
|
char *addr_exp;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
registers_info (addr_exp, 1);
|
registers_info (addr_exp, 1);
|
}
|
}
|
|
|
void
|
void
|
nofp_registers_info (addr_exp, from_tty)
|
nofp_registers_info (addr_exp, from_tty)
|
char *addr_exp;
|
char *addr_exp;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
registers_info (addr_exp, 0);
|
registers_info (addr_exp, 0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* TODO:
|
* TODO:
|
* Should save/restore the tty state since it might be that the
|
* Should save/restore the tty state since it might be that the
|
* program to be debugged was started on this tty and it wants
|
* program to be debugged was started on this tty and it wants
|
* the tty in some state other than what we want. If it's running
|
* the tty in some state other than what we want. If it's running
|
* on another terminal or without a terminal, then saving and
|
* on another terminal or without a terminal, then saving and
|
* restoring the tty state is a harmless no-op.
|
* restoring the tty state is a harmless no-op.
|
* This only needs to be done if we are attaching to a process.
|
* This only needs to be done if we are attaching to a process.
|
*/
|
*/
|
|
|
/*
|
/*
|
attach_command --
|
attach_command --
|
takes a program started up outside of gdb and ``attaches'' to it.
|
takes a program started up outside of gdb and ``attaches'' to it.
|
This stops it cold in its tracks and allows us to start debugging it.
|
This stops it cold in its tracks and allows us to start debugging it.
|
and wait for the trace-trap that results from attaching. */
|
and wait for the trace-trap that results from attaching. */
|
|
|
void
|
void
|
attach_command (args, from_tty)
|
attach_command (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
#ifdef SOLIB_ADD
|
#ifdef SOLIB_ADD
|
extern int auto_solib_add;
|
extern int auto_solib_add;
|
#endif
|
#endif
|
|
|
char *exec_file;
|
char *exec_file;
|
char *full_exec_path = NULL;
|
char *full_exec_path = NULL;
|
|
|
dont_repeat (); /* Not for the faint of heart */
|
dont_repeat (); /* Not for the faint of heart */
|
|
|
if (target_has_execution)
|
if (target_has_execution)
|
{
|
{
|
if (query ("A program is being debugged already. Kill it? "))
|
if (query ("A program is being debugged already. Kill it? "))
|
target_kill ();
|
target_kill ();
|
else
|
else
|
error ("Not killed.");
|
error ("Not killed.");
|
}
|
}
|
|
|
target_attach (args, from_tty);
|
target_attach (args, from_tty);
|
|
|
/* Set up the "saved terminal modes" of the inferior
|
/* Set up the "saved terminal modes" of the inferior
|
based on what modes we are starting it with. */
|
based on what modes we are starting it with. */
|
target_terminal_init ();
|
target_terminal_init ();
|
|
|
/* Install inferior's terminal modes. */
|
/* Install inferior's terminal modes. */
|
target_terminal_inferior ();
|
target_terminal_inferior ();
|
|
|
/* Set up execution context to know that we should return from
|
/* Set up execution context to know that we should return from
|
wait_for_inferior as soon as the target reports a stop. */
|
wait_for_inferior as soon as the target reports a stop. */
|
init_wait_for_inferior ();
|
init_wait_for_inferior ();
|
clear_proceed_status ();
|
clear_proceed_status ();
|
stop_soon_quietly = 1;
|
stop_soon_quietly = 1;
|
|
|
/* No traps are generated when attaching to inferior under Mach 3
|
/* No traps are generated when attaching to inferior under Mach 3
|
or GNU hurd. */
|
or GNU hurd. */
|
#ifndef ATTACH_NO_WAIT
|
#ifndef ATTACH_NO_WAIT
|
wait_for_inferior ();
|
wait_for_inferior ();
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* If no exec file is yet known, try to determine it from the
|
* If no exec file is yet known, try to determine it from the
|
* process itself.
|
* process itself.
|
*/
|
*/
|
exec_file = (char *) get_exec_file (0);
|
exec_file = (char *) get_exec_file (0);
|
if (!exec_file)
|
if (!exec_file)
|
{
|
{
|
exec_file = target_pid_to_exec_file (inferior_pid);
|
exec_file = target_pid_to_exec_file (inferior_pid);
|
if (exec_file)
|
if (exec_file)
|
{
|
{
|
/* It's possible we don't have a full path, but rather just a
|
/* It's possible we don't have a full path, but rather just a
|
filename. Some targets, such as HP-UX, don't provide the
|
filename. Some targets, such as HP-UX, don't provide the
|
full path, sigh.
|
full path, sigh.
|
|
|
Attempt to qualify the filename against the source path.
|
Attempt to qualify the filename against the source path.
|
(If that fails, we'll just fall back on the original
|
(If that fails, we'll just fall back on the original
|
filename. Not much more we can do...)
|
filename. Not much more we can do...)
|
*/
|
*/
|
if (!source_full_path_of (exec_file, &full_exec_path))
|
if (!source_full_path_of (exec_file, &full_exec_path))
|
full_exec_path = savestring (exec_file, strlen (exec_file));
|
full_exec_path = savestring (exec_file, strlen (exec_file));
|
|
|
exec_file_attach (full_exec_path, from_tty);
|
exec_file_attach (full_exec_path, from_tty);
|
symbol_file_command (full_exec_path, from_tty);
|
symbol_file_command (full_exec_path, from_tty);
|
}
|
}
|
}
|
}
|
|
|
#ifdef SOLIB_ADD
|
#ifdef SOLIB_ADD
|
if (auto_solib_add)
|
if (auto_solib_add)
|
{
|
{
|
/* Add shared library symbols from the newly attached process, if any. */
|
/* Add shared library symbols from the newly attached process, if any. */
|
SOLIB_ADD ((char *) 0, from_tty, ¤t_target);
|
SOLIB_ADD ((char *) 0, from_tty, ¤t_target);
|
re_enable_breakpoints_in_shlibs ();
|
re_enable_breakpoints_in_shlibs ();
|
}
|
}
|
#endif
|
#endif
|
|
|
/* Take any necessary post-attaching actions for this platform.
|
/* Take any necessary post-attaching actions for this platform.
|
*/
|
*/
|
target_post_attach (inferior_pid);
|
target_post_attach (inferior_pid);
|
|
|
normal_stop ();
|
normal_stop ();
|
|
|
if (attach_hook)
|
if (attach_hook)
|
attach_hook ();
|
attach_hook ();
|
}
|
}
|
|
|
/*
|
/*
|
* detach_command --
|
* detach_command --
|
* takes a program previously attached to and detaches it.
|
* takes a program previously attached to and detaches it.
|
* The program resumes execution and will no longer stop
|
* The program resumes execution and will no longer stop
|
* on signals, etc. We better not have left any breakpoints
|
* on signals, etc. We better not have left any breakpoints
|
* in the program or it'll die when it hits one. For this
|
* in the program or it'll die when it hits one. For this
|
* to work, it may be necessary for the process to have been
|
* to work, it may be necessary for the process to have been
|
* previously attached. It *might* work if the program was
|
* previously attached. It *might* work if the program was
|
* started via the normal ptrace (PTRACE_TRACEME).
|
* started via the normal ptrace (PTRACE_TRACEME).
|
*/
|
*/
|
|
|
static void
|
static void
|
detach_command (args, from_tty)
|
detach_command (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
dont_repeat (); /* Not for the faint of heart */
|
dont_repeat (); /* Not for the faint of heart */
|
target_detach (args, from_tty);
|
target_detach (args, from_tty);
|
#if defined(SOLIB_RESTART)
|
#if defined(SOLIB_RESTART)
|
SOLIB_RESTART ();
|
SOLIB_RESTART ();
|
#endif
|
#endif
|
if (detach_hook)
|
if (detach_hook)
|
detach_hook ();
|
detach_hook ();
|
}
|
}
|
|
|
/* Stop the execution of the target while running in async mode, in
|
/* Stop the execution of the target while running in async mode, in
|
the backgound. */
|
the backgound. */
|
#ifdef UI_OUT
|
#ifdef UI_OUT
|
void
|
void
|
interrupt_target_command_wrapper (args, from_tty)
|
interrupt_target_command_wrapper (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
interrupt_target_command (args, from_tty);
|
interrupt_target_command (args, from_tty);
|
}
|
}
|
#endif
|
#endif
|
static void
|
static void
|
interrupt_target_command (args, from_tty)
|
interrupt_target_command (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
if (event_loop_p && target_can_async_p ())
|
if (event_loop_p && target_can_async_p ())
|
{
|
{
|
dont_repeat (); /* Not for the faint of heart */
|
dont_repeat (); /* Not for the faint of heart */
|
target_stop ();
|
target_stop ();
|
}
|
}
|
}
|
}
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
float_info (addr_exp, from_tty)
|
float_info (addr_exp, from_tty)
|
char *addr_exp;
|
char *addr_exp;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
#ifdef FLOAT_INFO
|
#ifdef FLOAT_INFO
|
FLOAT_INFO;
|
FLOAT_INFO;
|
#else
|
#else
|
printf_filtered ("No floating point info available for this processor.\n");
|
printf_filtered ("No floating point info available for this processor.\n");
|
#endif
|
#endif
|
}
|
}
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
unset_command (args, from_tty)
|
unset_command (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
printf_filtered ("\"unset\" must be followed by the name of ");
|
printf_filtered ("\"unset\" must be followed by the name of ");
|
printf_filtered ("an unset subcommand.\n");
|
printf_filtered ("an unset subcommand.\n");
|
help_list (unsetlist, "unset ", -1, gdb_stdout);
|
help_list (unsetlist, "unset ", -1, gdb_stdout);
|
}
|
}
|
|
|
void
|
void
|
_initialize_infcmd ()
|
_initialize_infcmd ()
|
{
|
{
|
struct cmd_list_element *c;
|
struct cmd_list_element *c;
|
|
|
add_com ("tty", class_run, tty_command,
|
add_com ("tty", class_run, tty_command,
|
"Set terminal for future runs of program being debugged.");
|
"Set terminal for future runs of program being debugged.");
|
|
|
add_show_from_set
|
add_show_from_set
|
(add_set_cmd ("args", class_run, var_string_noescape,
|
(add_set_cmd ("args", class_run, var_string_noescape,
|
(char *) &inferior_args,
|
(char *) &inferior_args,
|
"Set argument list to give program being debugged when it is started.\n\
|
"Set argument list to give program being debugged when it is started.\n\
|
Follow this command with any number of args, to be passed to the program.",
|
Follow this command with any number of args, to be passed to the program.",
|
&setlist),
|
&setlist),
|
&showlist);
|
&showlist);
|
|
|
c = add_cmd
|
c = add_cmd
|
("environment", no_class, environment_info,
|
("environment", no_class, environment_info,
|
"The environment to give the program, or one variable's value.\n\
|
"The environment to give the program, or one variable's value.\n\
|
With an argument VAR, prints the value of environment variable VAR to\n\
|
With an argument VAR, prints the value of environment variable VAR to\n\
|
give the program being debugged. With no arguments, prints the entire\n\
|
give the program being debugged. With no arguments, prints the entire\n\
|
environment to be given to the program.", &showlist);
|
environment to be given to the program.", &showlist);
|
c->completer = noop_completer;
|
c->completer = noop_completer;
|
|
|
add_prefix_cmd ("unset", no_class, unset_command,
|
add_prefix_cmd ("unset", no_class, unset_command,
|
"Complement to certain \"set\" commands",
|
"Complement to certain \"set\" commands",
|
&unsetlist, "unset ", 0, &cmdlist);
|
&unsetlist, "unset ", 0, &cmdlist);
|
|
|
c = add_cmd ("environment", class_run, unset_environment_command,
|
c = add_cmd ("environment", class_run, unset_environment_command,
|
"Cancel environment variable VAR for the program.\n\
|
"Cancel environment variable VAR for the program.\n\
|
This does not affect the program until the next \"run\" command.",
|
This does not affect the program until the next \"run\" command.",
|
&unsetlist);
|
&unsetlist);
|
c->completer = noop_completer;
|
c->completer = noop_completer;
|
|
|
c = add_cmd ("environment", class_run, set_environment_command,
|
c = add_cmd ("environment", class_run, set_environment_command,
|
"Set environment variable value to give the program.\n\
|
"Set environment variable value to give the program.\n\
|
Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\
|
Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\
|
VALUES of environment variables are uninterpreted strings.\n\
|
VALUES of environment variables are uninterpreted strings.\n\
|
This does not affect the program until the next \"run\" command.",
|
This does not affect the program until the next \"run\" command.",
|
&setlist);
|
&setlist);
|
c->completer = noop_completer;
|
c->completer = noop_completer;
|
|
|
add_com ("path", class_files, path_command,
|
add_com ("path", class_files, path_command,
|
"Add directory DIR(s) to beginning of search path for object files.\n\
|
"Add directory DIR(s) to beginning of search path for object files.\n\
|
$cwd in the path means the current working directory.\n\
|
$cwd in the path means the current working directory.\n\
|
This path is equivalent to the $PATH shell variable. It is a list of\n\
|
This path is equivalent to the $PATH shell variable. It is a list of\n\
|
directories, separated by colons. These directories are searched to find\n\
|
directories, separated by colons. These directories are searched to find\n\
|
fully linked executable files and separately compiled object files as needed.");
|
fully linked executable files and separately compiled object files as needed.");
|
|
|
c = add_cmd ("paths", no_class, path_info,
|
c = add_cmd ("paths", no_class, path_info,
|
"Current search path for finding object files.\n\
|
"Current search path for finding object files.\n\
|
$cwd in the path means the current working directory.\n\
|
$cwd in the path means the current working directory.\n\
|
This path is equivalent to the $PATH shell variable. It is a list of\n\
|
This path is equivalent to the $PATH shell variable. It is a list of\n\
|
directories, separated by colons. These directories are searched to find\n\
|
directories, separated by colons. These directories are searched to find\n\
|
fully linked executable files and separately compiled object files as needed.",
|
fully linked executable files and separately compiled object files as needed.",
|
&showlist);
|
&showlist);
|
c->completer = noop_completer;
|
c->completer = noop_completer;
|
|
|
add_com ("attach", class_run, attach_command,
|
add_com ("attach", class_run, attach_command,
|
"Attach to a process or file outside of GDB.\n\
|
"Attach to a process or file outside of GDB.\n\
|
This command attaches to another target, of the same type as your last\n\
|
This command attaches to another target, of the same type as your last\n\
|
\"target\" command (\"info files\" will show your target stack).\n\
|
\"target\" command (\"info files\" will show your target stack).\n\
|
The command may take as argument a process id or a device file.\n\
|
The command may take as argument a process id or a device file.\n\
|
For a process id, you must have permission to send the process a signal,\n\
|
For a process id, you must have permission to send the process a signal,\n\
|
and it must have the same effective uid as the debugger.\n\
|
and it must have the same effective uid as the debugger.\n\
|
When using \"attach\" with a process id, the debugger finds the\n\
|
When using \"attach\" with a process id, the debugger finds the\n\
|
program running in the process, looking first in the current working\n\
|
program running in the process, looking first in the current working\n\
|
directory, or (if not found there) using the source file search path\n\
|
directory, or (if not found there) using the source file search path\n\
|
(see the \"directory\" command). You can also use the \"file\" command\n\
|
(see the \"directory\" command). You can also use the \"file\" command\n\
|
to specify the program, and to load its symbol table.");
|
to specify the program, and to load its symbol table.");
|
|
|
add_com ("detach", class_run, detach_command,
|
add_com ("detach", class_run, detach_command,
|
"Detach a process or file previously attached.\n\
|
"Detach a process or file previously attached.\n\
|
If a process, it is no longer traced, and it continues its execution. If\n\
|
If a process, it is no longer traced, and it continues its execution. If\n\
|
you were debugging a file, the file is closed and gdb no longer accesses it.");
|
you were debugging a file, the file is closed and gdb no longer accesses it.");
|
|
|
add_com ("signal", class_run, signal_command,
|
add_com ("signal", class_run, signal_command,
|
"Continue program giving it signal specified by the argument.\n\
|
"Continue program giving it signal specified by the argument.\n\
|
An argument of \"0\" means continue program without giving it a signal.");
|
An argument of \"0\" means continue program without giving it a signal.");
|
|
|
add_com ("stepi", class_run, stepi_command,
|
add_com ("stepi", class_run, stepi_command,
|
"Step one instruction exactly.\n\
|
"Step one instruction exactly.\n\
|
Argument N means do this N times (or till program stops for another reason).");
|
Argument N means do this N times (or till program stops for another reason).");
|
add_com_alias ("si", "stepi", class_alias, 0);
|
add_com_alias ("si", "stepi", class_alias, 0);
|
|
|
add_com ("nexti", class_run, nexti_command,
|
add_com ("nexti", class_run, nexti_command,
|
"Step one instruction, but proceed through subroutine calls.\n\
|
"Step one instruction, but proceed through subroutine calls.\n\
|
Argument N means do this N times (or till program stops for another reason).");
|
Argument N means do this N times (or till program stops for another reason).");
|
add_com_alias ("ni", "nexti", class_alias, 0);
|
add_com_alias ("ni", "nexti", class_alias, 0);
|
|
|
add_com ("finish", class_run, finish_command,
|
add_com ("finish", class_run, finish_command,
|
"Execute until selected stack frame returns.\n\
|
"Execute until selected stack frame returns.\n\
|
Upon return, the value returned is printed and put in the value history.");
|
Upon return, the value returned is printed and put in the value history.");
|
|
|
add_com ("next", class_run, next_command,
|
add_com ("next", class_run, next_command,
|
"Step program, proceeding through subroutine calls.\n\
|
"Step program, proceeding through subroutine calls.\n\
|
Like the \"step\" command as long as subroutine calls do not happen;\n\
|
Like the \"step\" command as long as subroutine calls do not happen;\n\
|
when they do, the call is treated as one instruction.\n\
|
when they do, the call is treated as one instruction.\n\
|
Argument N means do this N times (or till program stops for another reason).");
|
Argument N means do this N times (or till program stops for another reason).");
|
add_com_alias ("n", "next", class_run, 1);
|
add_com_alias ("n", "next", class_run, 1);
|
if (xdb_commands)
|
if (xdb_commands)
|
add_com_alias ("S", "next", class_run, 1);
|
add_com_alias ("S", "next", class_run, 1);
|
|
|
add_com ("step", class_run, step_command,
|
add_com ("step", class_run, step_command,
|
"Step program until it reaches a different source line.\n\
|
"Step program until it reaches a different source line.\n\
|
Argument N means do this N times (or till program stops for another reason).");
|
Argument N means do this N times (or till program stops for another reason).");
|
add_com_alias ("s", "step", class_run, 1);
|
add_com_alias ("s", "step", class_run, 1);
|
|
|
add_com ("until", class_run, until_command,
|
add_com ("until", class_run, until_command,
|
"Execute until the program reaches a source line greater than the current\n\
|
"Execute until the program reaches a source line greater than the current\n\
|
or a specified line or address or function (same args as break command).\n\
|
or a specified line or address or function (same args as break command).\n\
|
Execution will also stop upon exit from the current stack frame.");
|
Execution will also stop upon exit from the current stack frame.");
|
add_com_alias ("u", "until", class_run, 1);
|
add_com_alias ("u", "until", class_run, 1);
|
|
|
add_com ("jump", class_run, jump_command,
|
add_com ("jump", class_run, jump_command,
|
"Continue program being debugged at specified line or address.\n\
|
"Continue program being debugged at specified line or address.\n\
|
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
|
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
|
for an address to start at.");
|
for an address to start at.");
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
add_com ("go", class_run, go_command,
|
add_com ("go", class_run, go_command,
|
"Usage: go <location>\n\
|
"Usage: go <location>\n\
|
Continue program being debugged, stopping at specified line or \n\
|
Continue program being debugged, stopping at specified line or \n\
|
address.\n\
|
address.\n\
|
Give as argument either LINENUM or *ADDR, where ADDR is an \n\
|
Give as argument either LINENUM or *ADDR, where ADDR is an \n\
|
expression for an address to start at.\n\
|
expression for an address to start at.\n\
|
This command is a combination of tbreak and jump.");
|
This command is a combination of tbreak and jump.");
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
add_com_alias ("g", "go", class_run, 1);
|
add_com_alias ("g", "go", class_run, 1);
|
|
|
add_com ("continue", class_run, continue_command,
|
add_com ("continue", class_run, continue_command,
|
"Continue program being debugged, after signal or breakpoint.\n\
|
"Continue program being debugged, after signal or breakpoint.\n\
|
If proceeding from breakpoint, a number N may be used as an argument,\n\
|
If proceeding from breakpoint, a number N may be used as an argument,\n\
|
which means to set the ignore count of that breakpoint to N - 1 (so that\n\
|
which means to set the ignore count of that breakpoint to N - 1 (so that\n\
|
the breakpoint won't break until the Nth time it is reached).");
|
the breakpoint won't break until the Nth time it is reached).");
|
add_com_alias ("c", "cont", class_run, 1);
|
add_com_alias ("c", "cont", class_run, 1);
|
add_com_alias ("fg", "cont", class_run, 1);
|
add_com_alias ("fg", "cont", class_run, 1);
|
|
|
add_com ("run", class_run, run_command,
|
add_com ("run", class_run, run_command,
|
"Start debugged program. You may specify arguments to give it.\n\
|
"Start debugged program. You may specify arguments to give it.\n\
|
Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\
|
Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\
|
Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\
|
Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\
|
With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\
|
With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\
|
To cancel previous arguments and run with no arguments,\n\
|
To cancel previous arguments and run with no arguments,\n\
|
use \"set args\" without arguments.");
|
use \"set args\" without arguments.");
|
add_com_alias ("r", "run", class_run, 1);
|
add_com_alias ("r", "run", class_run, 1);
|
if (xdb_commands)
|
if (xdb_commands)
|
add_com ("R", class_run, run_no_args_command,
|
add_com ("R", class_run, run_no_args_command,
|
"Start debugged program with no arguments.");
|
"Start debugged program with no arguments.");
|
|
|
add_com ("interrupt", class_run, interrupt_target_command,
|
add_com ("interrupt", class_run, interrupt_target_command,
|
"Interrupt the execution of the debugged program.");
|
"Interrupt the execution of the debugged program.");
|
|
|
add_info ("registers", nofp_registers_info,
|
add_info ("registers", nofp_registers_info,
|
"List of integer registers and their contents, for selected stack frame.\n\
|
"List of integer registers and their contents, for selected stack frame.\n\
|
Register name as argument means describe only that register.");
|
Register name as argument means describe only that register.");
|
add_info_alias ("r", "registers", 1);
|
add_info_alias ("r", "registers", 1);
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
add_com ("lr", class_info, nofp_registers_info,
|
add_com ("lr", class_info, nofp_registers_info,
|
"List of integer registers and their contents, for selected stack frame.\n\
|
"List of integer registers and their contents, for selected stack frame.\n\
|
Register name as argument means describe only that register.");
|
Register name as argument means describe only that register.");
|
add_info ("all-registers", all_registers_info,
|
add_info ("all-registers", all_registers_info,
|
"List of all registers and their contents, for selected stack frame.\n\
|
"List of all registers and their contents, for selected stack frame.\n\
|
Register name as argument means describe only that register.");
|
Register name as argument means describe only that register.");
|
|
|
add_info ("program", program_info,
|
add_info ("program", program_info,
|
"Execution status of the program.");
|
"Execution status of the program.");
|
|
|
add_info ("float", float_info,
|
add_info ("float", float_info,
|
"Print the status of the floating point unit\n");
|
"Print the status of the floating point unit\n");
|
|
|
inferior_args = savestring ("", 1); /* Initially no args */
|
inferior_args = savestring ("", 1); /* Initially no args */
|
inferior_environ = make_environ ();
|
inferior_environ = make_environ ();
|
init_environ (inferior_environ);
|
init_environ (inferior_environ);
|
}
|
}
|
|
|
