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Diffstat (limited to 'gdb/infcmd.c')
| -rw-r--r-- | gdb/infcmd.c | 1154 |
1 files changed, 0 insertions, 1154 deletions
diff --git a/gdb/infcmd.c b/gdb/infcmd.c deleted file mode 100644 index 4033117..0000000 --- a/gdb/infcmd.c +++ /dev/null @@ -1,1154 +0,0 @@ -/* Memory-access and commands for inferior process, for GDB. - Copyright (C) 1986, 1987, 1988, 1989 Free Software Foundation, Inc. - -This file is part of GDB. - -GDB is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GDB is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GDB; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <stdio.h> -#include "defs.h" -#include "param.h" -#include "symtab.h" -#include "frame.h" -#include "inferior.h" -#include "environ.h" -#include "value.h" - -#include <signal.h> -#include <sys/param.h> - -extern char *sys_siglist[]; - -#define ERROR_NO_INFERIOR \ - if (inferior_pid == 0) error ("The program is not being run."); - -/* String containing arguments to give to the program, - with a space added at the front. Just a space means no args. */ - -static char *inferior_args; - -/* File name for default use for standard in/out in the inferior. */ - -char *inferior_io_terminal; - -/* Pid of our debugged inferior, or 0 if no inferior now. */ - -int inferior_pid; - -/* Last signal that the inferior received (why it stopped). */ - -int stop_signal; - -/* Address at which inferior stopped. */ - -CORE_ADDR stop_pc; - -/* Stack frame when program stopped. */ - -FRAME_ADDR stop_frame_address; - -/* Number of breakpoint it stopped at, or 0 if none. */ - -int stop_breakpoint; - -/* Nonzero if stopped due to a step command. */ - -int stop_step; - -/* Nonzero if stopped due to completion of a stack dummy routine. */ - -int stop_stack_dummy; - -/* Nonzero if stopped due to a random (unexpected) signal in inferior - process. */ - -int stopped_by_random_signal; - -/* Range to single step within. - If this is nonzero, respond to a single-step signal - by continuing to step if the pc is in this range. */ - -CORE_ADDR step_range_start; /* Inclusive */ -CORE_ADDR step_range_end; /* Exclusive */ - -/* Stack frame address as of when stepping command was issued. - This is how we know when we step into a subroutine call, - and how to set the frame for the breakpoint used to step out. */ - -FRAME_ADDR step_frame_address; - -/* 1 means step over all subroutine calls. - -1 means step over calls to undebuggable functions. */ - -int step_over_calls; - -/* If stepping, nonzero means step count is > 1 - so don't print frame next time inferior stops - if it stops due to stepping. */ - -int step_multi; - -/* Environment to use for running inferior, - in format described in environ.h. */ - -struct environ *inferior_environ; - -CORE_ADDR read_pc (); -struct command_line *get_breakpoint_commands (); -void breakpoint_clear_ignore_counts (); - - -int -have_inferior_p () -{ - return inferior_pid != 0; -} - -static void -set_args_command (args) - char *args; -{ - free (inferior_args); - if (!args) args = ""; - inferior_args = concat (" ", args, ""); -} - -void -tty_command (file, from_tty) - char *file; - int from_tty; -{ - if (file == 0) - error_no_arg ("terminal name for running target process"); - - inferior_io_terminal = savestring (file, strlen (file)); -} - -static void -run_command (args, from_tty) - char *args; - int from_tty; -{ - extern char **environ; - register int i; - char *exec_file; - char *allargs; - - extern int sys_nerr; - extern char *sys_errlist[]; - extern int errno; - - dont_repeat (); - - if (inferior_pid) - { - if ( - !query ("The program being debugged has been started already.\n\ -Start it from the beginning? ")) - error ("Program not restarted."); - kill_inferior (); - } - -#if 0 - /* On the other hand, some users want to do - break open - ignore 1 40 - run - So it's not clear what is best. */ - - /* It is confusing to the user for ignore counts to stick around - from previous runs of the inferior. So clear them. */ - breakpoint_clear_ignore_counts (); -#endif - - exec_file = (char *) get_exec_file (1); - - if (remote_debugging) - { - if (from_tty) - { - printf ("Starting program: %s\n", exec_file); - fflush (stdout); - } - } - else - { - if (args) - set_args_command (args); - - if (from_tty) - { - printf ("Starting program: %s%s\n", - exec_file, inferior_args); - fflush (stdout); - } - - allargs = concat ("exec ", exec_file, inferior_args); - inferior_pid = create_inferior (allargs, environ_vector (inferior_environ)); - } - - clear_proceed_status (); - - start_inferior (); -} - -void -cont_command (proc_count_exp, from_tty) - char *proc_count_exp; - int from_tty; -{ - ERROR_NO_INFERIOR; - - clear_proceed_status (); - - /* If have argument, set proceed count of breakpoint we stopped at. */ - - if (stop_breakpoint > 0 && proc_count_exp) - { - set_ignore_count (stop_breakpoint, - parse_and_eval_address (proc_count_exp) - 1, - from_tty); - if (from_tty) - printf (" "); - } - - if (from_tty) - printf ("Continuing.\n"); - - proceed (-1, -1, 0); -} - -/* Step until outside of current statement. */ -static void step_1 (); - -static void -step_command (count_string) -{ - step_1 (0, 0, count_string); -} - -/* Likewise, but skip over subroutine calls as if single instructions. */ - -static void -next_command (count_string) -{ - step_1 (1, 0, count_string); -} - -/* Likewise, but step only one instruction. */ - -static void -stepi_command (count_string) -{ - step_1 (0, 1, count_string); -} - -static void -nexti_command (count_string) -{ - step_1 (1, 1, count_string); -} - -static void -step_1 (skip_subroutines, single_inst, count_string) - int skip_subroutines; - int single_inst; - char *count_string; -{ - register int count = 1; - - ERROR_NO_INFERIOR; - count = count_string ? parse_and_eval_address (count_string) : 1; - - for (; count > 0; count--) - { - clear_proceed_status (); - - step_frame_address = FRAME_FP (get_current_frame ()); - - if (! single_inst) - { - find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); - if (step_range_end == 0) - { - int misc; - - misc = find_pc_misc_function (stop_pc); - terminal_ours (); - printf ("Current function has no line number information.\n"); - fflush (stdout); - - /* No info or after _etext ("Can't happen") */ - if (misc == -1 || misc == misc_function_count - 1) - error ("No data available on pc function."); - - printf ("Single stepping until function exit.\n"); - fflush (stdout); - - step_range_start = misc_function_vector[misc].address; - step_range_end = misc_function_vector[misc + 1].address; - } - } - else - { - /* Say we are stepping, but stop after one insn whatever it does. - Don't step through subroutine calls even to undebuggable - functions. */ - step_range_start = step_range_end = 1; - if (!skip_subroutines) - step_over_calls = 0; - } - - if (skip_subroutines) - step_over_calls = 1; - - step_multi = (count > 1); - proceed (-1, -1, 1); - if (! stop_step) - break; - } -} - -/* Continue program at specified address. */ - -static void -jump_command (arg, from_tty) - char *arg; - int from_tty; -{ - register CORE_ADDR addr; - struct symtabs_and_lines sals; - struct symtab_and_line sal; - - ERROR_NO_INFERIOR; - - if (!arg) - error_no_arg ("starting address"); - - sals = decode_line_spec_1 (arg, 1); - if (sals.nelts != 1) - { - error ("Unreasonable jump request"); - } - - sal = sals.sals[0]; - free (sals.sals); - - if (sal.symtab == 0 && sal.pc == 0) - error ("No source file has been specified."); - - if (sal.pc == 0) - sal.pc = find_line_pc (sal.symtab, sal.line); - - { - struct symbol *fn = get_frame_function (get_current_frame ()); - struct symbol *sfn = find_pc_function (sal.pc); - if (fn != 0 && sfn != fn - && ! query ("Line %d is not in `%s'. Jump anyway? ", - sal.line, SYMBOL_NAME (fn))) - error ("Not confirmed."); - } - - if (sal.pc == 0) - error ("No line %d in file \"%s\".", sal.line, sal.symtab->filename); - - addr = sal.pc; - - clear_proceed_status (); - - if (from_tty) - printf ("Continuing at 0x%x.\n", addr); - - proceed (addr, 0, 0); -} - -/* Continue program giving it specified signal. */ - -static void -signal_command (signum_exp, from_tty) - char *signum_exp; - int from_tty; -{ - register int signum; - - dont_repeat (); /* Too dangerous. */ - ERROR_NO_INFERIOR; - - if (!signum_exp) - error_no_arg ("signal number"); - - signum = parse_and_eval_address (signum_exp); - - clear_proceed_status (); - - if (from_tty) - printf ("Continuing with signal %d.\n", signum); - - proceed (stop_pc, signum, 0); -} - -/* Execute a "stack dummy", a piece of code stored in the stack - by the debugger to be executed in the inferior. - - To call: first, do PUSH_DUMMY_FRAME. - 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. - - The contents of all registers are saved before the dummy frame is popped - and copied into the buffer BUFFER. - - The dummy's frame is automatically popped whenever that break is hit. - If that is the first time the program stops, run_stack_dummy - returns to its caller with that frame already gone. - Otherwise, the caller never gets returned to. */ - -/* 4 => return instead of letting the stack dummy run. */ - -static int stack_dummy_testing = 0; - -void -run_stack_dummy (addr, buffer) - CORE_ADDR addr; - REGISTER_TYPE *buffer; -{ - /* Now proceed, having reached the desired place. */ - clear_proceed_status (); - if (stack_dummy_testing & 4) - { - POP_FRAME; - return; - } - proceed (addr, 0, 0); - - if (!stop_stack_dummy) - error ("Cannot continue previously requested operation."); - - /* On return, the stack dummy has been popped already. */ - - bcopy (stop_registers, buffer, sizeof stop_registers); -} - -/* Proceed until we reach the given line as argument or exit the - function. When called with no argument, 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. - - The effect of this command with an argument is identical to setting - a momentary breakpoint at the line specified and executing - "finish". - - Note that eventually this command should probably be changed so - that only source lines are printed out when we hit the breakpoint - we set. I'm going to postpone this until after a hopeful rewrite - of wait_for_inferior and the proceed status code. -- randy */ - -void -until_next_command (arg, from_tty) - char *arg; - int from_tty; -{ - FRAME frame; - CORE_ADDR pc; - struct symbol *func; - struct symtab_and_line sal; - - clear_proceed_status (); - - frame = get_current_frame (); - - /* Step until either exited from this function or greater - than the current line (if in symbolic section) or pc (if - not). */ - - pc = read_pc (); - func = find_pc_function (pc); - - if (!func) - { - int misc_func = find_pc_misc_function (pc); - - if (misc_func != -1) - error ("Execution is not within a known function."); - - step_range_start = misc_function_vector[misc_func].address; - step_range_end = pc; - } - else - { - sal = find_pc_line (pc, 0); - - step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); - step_range_end = sal.end; - } - - step_over_calls = 1; - step_frame_address = FRAME_FP (frame); - - step_multi = 0; /* Only one call to proceed */ - - proceed (-1, -1, 1); -} - -void -until_command (arg, from_tty) - char *arg; - int from_tty; -{ - if (!have_inferior_p ()) - error ("The program is not being run."); - - if (arg) - until_break_command (arg, from_tty); - else - until_next_command (arg, from_tty); -} - -/* "finish": Set a temporary breakpoint at the place - the selected frame will return to, then continue. */ - -static void -finish_command (arg, from_tty) - char *arg; - int from_tty; -{ - struct symtab_and_line sal; - register FRAME frame; - struct frame_info *fi; - register struct symbol *function; - - if (!have_inferior_p ()) - error ("The program is not being run."); - if (arg) - error ("The \"finish\" command does not take any arguments."); - - frame = get_prev_frame (selected_frame); - if (frame == 0) - error ("\"finish\" not meaningful in the outermost frame."); - - clear_proceed_status (); - - fi = get_frame_info (frame); - sal = find_pc_line (fi->pc, 0); - sal.pc = fi->pc; - set_momentary_breakpoint (sal, frame); - - /* Find the function we will return from. */ - - fi = get_frame_info (selected_frame); - function = find_pc_function (fi->pc); - - if (from_tty) - { - printf ("Run till exit from "); - print_selected_frame (); - } - - proceed (-1, -1, 0); - - if (stop_breakpoint == -3 && function != 0) - { - struct type *value_type; - register value val; - CORE_ADDR funcaddr; - - value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); - if (!value_type) - fatal ("internal: finish_command: function has no target type"); - - if (TYPE_CODE (value_type) == TYPE_CODE_VOID) - return; - - funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); - - val = value_being_returned (value_type, stop_registers, - using_struct_return (function, - funcaddr, - value_type)); - - printf ("Value returned is $%d = ", record_latest_value (val)); - value_print (val, stdout, 0, Val_no_prettyprint); - putchar ('\n'); - } -} - -static void -program_info () -{ - if (inferior_pid == 0) - { - printf ("The program being debugged is not being run.\n"); - return; - } - - printf ("Program being debugged is in process %d, stopped at 0x%x.\n", - inferior_pid, stop_pc); - if (stop_step) - printf ("It stopped after being stepped.\n"); - else if (stop_breakpoint > 0) - printf ("It stopped at breakpoint %d.\n", stop_breakpoint); - else if (stop_signal) - printf ("It stopped with signal %d (%s).\n", - stop_signal, sys_siglist[stop_signal]); - - printf ("\nType \"info stack\" or \"info reg\" for more information.\n"); -} - -static void -environment_info (var) - char *var; -{ - if (var) - { - register char *val = get_in_environ (inferior_environ, var); - if (val) - printf ("%s = %s\n", var, val); - else - printf ("Environment variable \"%s\" not defined.\n", var); - } - else - { - register char **vector = environ_vector (inferior_environ); - while (*vector) - printf ("%s\n", *vector++); - } -} - -static void -set_environment_command (arg) - char *arg; -{ - register char *p, *val, *var; - int nullset = 0; - - if (arg == 0) - error_no_arg ("environment variable and value"); - - /* Find seperation between variable name and value */ - p = (char *) index (arg, '='); - val = (char *) index (arg, ' '); - - if (p != 0 && val != 0) - { - /* We have both a space and an equals. If the space is before the - equals and the only thing between the two is more space, use - the equals */ - if (p > val) - while (*val == ' ') - val++; - - /* Take the smaller of the two. If there was space before the - "=", they will be the same right now. */ - p = arg + min (p - arg, val - arg); - } - else if (val != 0 && p == 0) - p = val; - - if (p == arg) - error_no_arg ("environment variable to set"); - - if (p == 0 || p[1] == 0) - { - nullset = 1; - if (p == 0) - p = arg + strlen (arg); /* So that savestring below will work */ - } - else - { - /* Not setting variable value to null */ - val = p + 1; - while (*val == ' ' || *val == '\t') - val++; - } - - while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) p--; - - var = savestring (arg, p - arg); - if (nullset) - { - printf ("Setting environment variable \"%s\" to null value.\n", var); - set_in_environ (inferior_environ, var, ""); - } - else - set_in_environ (inferior_environ, var, val); - free (var); -} - -static void -unset_environment_command (var, from_tty) - char *var; - int from_tty; -{ - if (var == 0) - /* If there is no argument, delete all environment variables. - Ask for confirmation if reading from the terminal. */ - if (!from_tty || query ("Delete all environment variables? ")) - { - free_environ (inferior_environ); - inferior_environ = make_environ (); - } - - unset_in_environ (inferior_environ, var); -} - -/* Read an integer from debugged memory, given address and number of bytes. */ - -long -read_memory_integer (memaddr, len) - CORE_ADDR memaddr; - int len; -{ - char cbuf; - short sbuf; - int ibuf; - long lbuf; - int result_err; - extern int sys_nerr; - extern char *sys_errlist[]; - - if (len == sizeof (char)) - { - result_err = read_memory (memaddr, &cbuf, len); - if (result_err) - error ("Error reading memory address 0x%x: %s (%d).", - memaddr, (result_err < sys_nerr ? - sys_errlist[result_err] : - "uknown error"), result_err); - return cbuf; - } - if (len == sizeof (short)) - { - result_err = read_memory (memaddr, &sbuf, len); - if (result_err) - error ("Error reading memory address 0x%x: %s (%d).", - memaddr, (result_err < sys_nerr ? - sys_errlist[result_err] : - "uknown error"), result_err); - return sbuf; - } - if (len == sizeof (int)) - { - result_err = read_memory (memaddr, &ibuf, len); - if (result_err) - error ("Error reading memory address 0x%x: %s (%d).", - memaddr, (result_err < sys_nerr ? - sys_errlist[result_err] : - "uknown error"), result_err); - return ibuf; - } - if (len == sizeof (lbuf)) - { - result_err = read_memory (memaddr, &lbuf, len); - if (result_err) - error ("Error reading memory address 0x%x: %s (%d).", - memaddr, (result_err < sys_nerr ? - sys_errlist[result_err] : - "uknown error"), result_err); - return lbuf; - } - error ("Cannot handle integers of %d bytes.", len); -} - -CORE_ADDR -read_pc () -{ - return (CORE_ADDR) read_register (PC_REGNUM); -} - -void -write_pc (val) - CORE_ADDR val; -{ - write_register (PC_REGNUM, (long) val); -#ifdef NPC_REGNUM - write_register (NPC_REGNUM, (long) val+4); -#endif -} - -char *reg_names[] = REGISTER_NAMES; - -/* Print out the machine register regnum. If regnum is -1, - print all registers. - For most machines, having all_registers_info() print the - register(s) one per line is good enough. If a different format - is required, (eg, for SPARC or Pyramid 90x, which both have - lots of regs), or there is an existing convention for showing - all the registers, define the macro DO_REGISTERS_INFO(regnum) - to provide that format. */ -#if !defined (DO_REGISTERS_INFO) -#define DO_REGISTERS_INFO(regnum) do_registers_info(regnum) -static void do_registers_info (regnum) - int regnum; -{ - register int i; - - if (regnum == -1) - printf_filtered ( - "Register Contents (relative to selected stack frame)\n\n"); - - for (i = 0; i < NUM_REGS; i++) - { - unsigned char raw_buffer[MAX_REGISTER_RAW_SIZE]; - unsigned char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; - REGISTER_TYPE val; - - if (regnum != -1 && i != regnum) - continue; - - /* Get the data in raw format, then convert also to virtual format. */ - read_relative_register_raw_bytes (i, raw_buffer); - REGISTER_CONVERT_TO_VIRTUAL (i, raw_buffer, virtual_buffer); - - fputs_filtered (reg_names[i], stdout); - print_spaces_filtered (15 - strlen (reg_names[i]), stdout); - - /* If virtual format is floating, print it that way. */ - if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT - && ! INVALID_FLOAT (virtual_buffer, REGISTER_VIRTUAL_SIZE (i))) - val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, - stdout, 0, 1, 0, Val_pretty_default); - /* Else if virtual format is too long for printf, - print in hex a byte at a time. */ - else if (REGISTER_VIRTUAL_SIZE (i) > sizeof (long)) - { - register int j; - printf_filtered ("0x"); - for (j = 0; j < REGISTER_VIRTUAL_SIZE (i); j++) - printf_filtered ("%02x", virtual_buffer[j]); - } - /* Else print as integer in hex and in decimal. */ - else - { - long val; - - bcopy (virtual_buffer, &val, sizeof (long)); - if (val == 0) - printf_filtered ("0"); - else - printf_filtered ("0x%08x %d", val, val); - } - - /* If register has different raw and virtual formats, - print the raw format in hex now. */ - - if (REGISTER_CONVERTIBLE (i)) - { - register int j; - - printf_filtered (" (raw 0x"); - for (j = 0; j < REGISTER_RAW_SIZE (i); j++) - printf_filtered ("%02x", raw_buffer[j]); - printf_filtered (")"); - } - printf_filtered ("\n"); - } -} -#endif /* no DO_REGISTERS_INFO. */ - -static void -registers_info (addr_exp) - char *addr_exp; -{ - int regnum; - - if (!have_inferior_p () && !have_core_file_p ()) - error ("No inferior or core file"); - - if (addr_exp) - { - if (*addr_exp >= '0' && *addr_exp <= '9') - regnum = atoi (addr_exp); - else - { - register char *p = addr_exp; - if (p[0] == '$') - p++; - for (regnum = 0; regnum < NUM_REGS; regnum++) - if (!strcmp (p, reg_names[regnum])) - break; - if (regnum == NUM_REGS) - error ("%s: invalid register name.", addr_exp); - } - } - else - regnum = -1; - - DO_REGISTERS_INFO(regnum); -} - -#ifdef ATTACH_DETACH -#define PROCESS_ATTACH_ALLOWED 1 -#else -#define PROCESS_ATTACH_ALLOWED 0 -#endif -/* - * TODO: - * Should save/restore the tty state since it might be that the - * 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 - * on another terminal or without a terminal, then saving and - * restoring the tty state is a harmless no-op. - * This only needs to be done if we are attaching to a process. - */ - -/* - * attach_command -- - * takes a program started up outside of gdb and ``attaches'' to it. - * This stops it cold in its tracks and allows us to start tracing it. - * For this to work, we must be able to send the process a - * signal and we must have the same effective uid as the program. - */ -static void -attach_command (args, from_tty) - char *args; - int from_tty; -{ - char *exec_file; - int pid; - int remote = 0; - - dont_repeat(); - - if (!args) - error_no_arg ("process-id or device file to attach"); - - while (*args == ' ' || *args == '\t') args++; - - if (args[0] == '/') - remote = 1; - else -#ifndef ATTACH_DETACH - error ("Can't attach to a process on this machine."); -#else - pid = atoi (args); -#endif - - if (inferior_pid) - { - if (query ("A program is being debugged already. Kill it? ")) - kill_inferior (); - else - error ("Inferior not killed."); - } - - exec_file = (char *) get_exec_file (1); - - if (from_tty) - { - if (remote) - printf ("Attaching remote machine\n"); - else - printf ("Attaching program: %s pid %d\n", - exec_file, pid); - fflush (stdout); - } - -#ifdef ATTACH_DETACH - if (remote) - { -#endif - remote_open (args, from_tty); - start_remote (); -#ifdef ATTACH_DETACH - } - else - attach_program (pid); -#endif -} - -/* - * detach_command -- - * takes a program previously attached to and detaches it. - * The program resumes execution and will no longer stop - * on signals, etc. We better not have left any breakpoints - * 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 - * previously attached. It *might* work if the program was - * started via the normal ptrace (PTRACE_TRACEME). - */ - -static void -detach_command (args, from_tty) - char *args; - int from_tty; -{ - int signal = 0; - -#ifdef ATTACH_DETACH - if (inferior_pid) - { - if (from_tty) - { - char *exec_file = (char *)get_exec_file (0); - if (exec_file == 0) - exec_file = ""; - printf ("Detaching program: %s pid %d\n", - exec_file, inferior_pid); - fflush (stdout); - } - if (args) - signal = atoi (args); - - detach (signal); - inferior_pid = 0; - } - else -#endif - { - if (!remote_debugging) - error ("Not currently attached to subsidiary or remote process."); - - if (args) - error ("Argument given to \"detach\" when remotely debugging."); - - remote_close (from_tty); - } -} - -/* ARGUSUED */ -static void -float_info (addr_exp) - char *addr_exp; -{ -#ifdef FLOAT_INFO - FLOAT_INFO; -#else - printf ("No floating point info available for this processor.\n"); -#endif -} - -extern struct cmd_list_element *setlist, *deletelist; - -void -_initialize_infcmd () -{ - add_com ("tty", class_run, tty_command, - "Set terminal for future runs of program being debugged."); - - add_cmd ("args", class_run, set_args_command, - "Specify arguments to give program being debugged when it is started.\n\ -Follow this command with any number of args, to be passed to the program.", - &setlist); - - add_info ("environment", environment_info, - "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\ -give the program being debugged. With no arguments, prints the entire\n\ -environment to be given to the program."); - - add_cmd ("environment", class_run, unset_environment_command, - "Cancel environment variable VAR for the program.\n\ -This does not affect the program until the next \"run\" command.", - &deletelist); - - add_cmd ("environment", class_run, set_environment_command, - "Set environment variable value to give the program.\n\ -Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ -VALUES of environment variables are uninterpreted strings.\n\ -This does not affect the program until the next \"run\" command.", - &setlist); - -#ifdef ATTACH_DETACH - add_com ("attach", class_run, attach_command, - "Attach to a process that was started up outside of GDB.\n\ -This 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\ -and it must have the same effective uid as the debugger.\n\ -For a device file, the file must be a connection to a remote debug server.\n\n\ -Before using \"attach\", you must use the \"exec-file\" command\n\ -to specify the program running in the process,\n\ -and the \"symbol-file\" command to load its symbol table."); -#else - add_com ("attach", class_run, attach_command, - "Attach to a process that was started up outside of GDB.\n\ -This commands takes as an argument the name of a device file.\n\ -This file must be a connection to a remote debug server.\n\n\ -Before using \"attach\", you must use the \"exec-file\" command\n\ -to specify the program running in the process,\n\ -and the \"symbol-file\" command to load its symbol table."); -#endif - add_com ("detach", class_run, detach_command, - "Detach the process previously attached.\n\ -The process is no longer traced and continues its execution."); - - add_com ("signal", class_run, signal_command, - "Continue program giving it signal number SIGNUMBER."); - - add_com ("stepi", class_run, stepi_command, - "Step one instruction exactly.\n\ -Argument N means do this N times (or till program stops for another reason)."); - add_com_alias ("si", "stepi", class_alias, 0); - - add_com ("nexti", class_run, nexti_command, - "Step one instruction, but proceed through subroutine calls.\n\ -Argument N means do this N times (or till program stops for another reason)."); - add_com_alias ("ni", "nexti", class_alias, 0); - - add_com ("finish", class_run, finish_command, - "Execute until selected stack frame returns.\n\ -Upon return, the value returned is printed and put in the value history."); - - add_com ("next", class_run, next_command, - "Step program, proceeding through subroutine calls.\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\ -Argument N means do this N times (or till program stops for another reason)."); - add_com_alias ("n", "next", class_run, 1); - - add_com ("step", class_run, step_command, - "Step program until it reaches a different source line.\n\ -Argument N means do this N times (or till program stops for another reason)."); - add_com_alias ("s", "step", class_run, 1); - - add_com ("until", class_run, until_command, - "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\ -Execution will also stop upon exit from the current stack frame."); - add_com_alias ("u", "until", class_run, 1); - - add_com ("jump", class_run, jump_command, - "Continue program being debugged at specified line or address.\n\ -Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ -for an address to start at."); - - add_com ("cont", class_run, cont_command, - "Continue program being debugged, after signal or breakpoint.\n\ -If proceeding from breakpoint, a number N may be used as an argument:\n\ -then the same breakpoint won't break until the Nth time it is reached."); - add_com_alias ("c", "cont", class_run, 1); - - add_com ("run", class_run, run_command, - "Start debugged program. You may specify arguments to give it.\n\ -Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\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\ -To cancel previous arguments and run with no arguments,\n\ -use \"set args\" without arguments."); - add_com_alias ("r", "run", class_run, 1); - - add_info ("registers", registers_info, - "List of registers and their contents, for selected stack frame.\n\ -Register name as argument means describe only that register."); - - add_info ("program", program_info, - "Execution status of the program."); - - add_info ("float", float_info, - "Print the status of the floating point unit\n"); - - inferior_args = savestring (" ", 1); /* By default, no args. */ - inferior_environ = make_environ (); - init_environ (inferior_environ); -} - |