/* Memory-access and commands for "inferior" process, for GDB.
- Copyright 1986, 87, 88, 89, 91, 92, 95, 96, 1998, 1999
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GDB.
#include "environ.h"
#include "value.h"
#include "gdbcmd.h"
+#include "symfile.h"
#include "gdbcore.h"
#include "target.h"
#include "language.h"
#include "symfile.h"
#include "objfiles.h"
-#include "event-loop.h"
+#include "completer.h"
+#include "ui-out.h"
+#include "event-top.h"
#include "parser-defs.h"
+#include "regcache.h"
+#include "reggroups.h"
+#include "block.h"
+#include <ctype.h>
-/* Functions exported for general use: */
+/* Functions exported for general use, in inferior.h: */
-void nofp_registers_info PARAMS ((char *, int));
+void all_registers_info (char *, int);
-void all_registers_info PARAMS ((char *, int));
+void registers_info (char *, int);
-void registers_info PARAMS ((char *, int));
+void nexti_command (char *, int);
-/* Local functions: */
+void stepi_command (char *, int);
-void continue_command PARAMS ((char *, int));
+void continue_command (char *, int);
-static void finish_command_continuation PARAMS ((struct continuation_arg *));
+void interrupt_target_command (char *args, int from_tty);
-static void until_next_command PARAMS ((int));
+/* Local functions: */
-static void until_command PARAMS ((char *, int));
+static void nofp_registers_info (char *, int);
-static void path_info PARAMS ((char *, int));
+static void print_return_value (int struct_return, struct type *value_type);
-static void path_command PARAMS ((char *, int));
+static void finish_command_continuation (struct continuation_arg *);
-static void unset_command PARAMS ((char *, int));
+static void until_next_command (int);
-static void float_info PARAMS ((char *, int));
+static void until_command (char *, int);
-static void detach_command PARAMS ((char *, int));
+static void path_info (char *, int);
-static void interrupt_target_command (char *args, int from_tty);
+static void path_command (char *, int);
-#if !defined (DO_REGISTERS_INFO)
-static void do_registers_info PARAMS ((int, int));
-#endif
+static void unset_command (char *, int);
-static void unset_environment_command PARAMS ((char *, int));
+static void float_info (char *, int);
-static void set_environment_command PARAMS ((char *, int));
+static void detach_command (char *, int);
-static void environment_info PARAMS ((char *, int));
+static void disconnect_command (char *, int);
-static void program_info PARAMS ((char *, int));
+static void unset_environment_command (char *, int);
-static void finish_command PARAMS ((char *, int));
+static void set_environment_command (char *, int);
-static void signal_command PARAMS ((char *, int));
+static void environment_info (char *, int);
-static void jump_command PARAMS ((char *, int));
+static void program_info (char *, int);
-static void step_1 PARAMS ((int, int, char *));
+static void finish_command (char *, int);
-void nexti_command PARAMS ((char *, int));
+static void signal_command (char *, int);
-void stepi_command PARAMS ((char *, int));
+static void jump_command (char *, int);
-static void next_command PARAMS ((char *, int));
+static void step_1 (int, int, char *);
+static void step_once (int skip_subroutines, int single_inst, int count);
+static void step_1_continuation (struct continuation_arg *arg);
-static void step_command PARAMS ((char *, int));
+static void next_command (char *, int);
-static void run_command PARAMS ((char *, int));
+static void step_command (char *, int);
-static void run_no_args_command PARAMS ((char *args, int from_tty));
+static void run_command (char *, int);
-static void go_command PARAMS ((char *line_no, int from_tty));
+static void run_no_args_command (char *args, int from_tty);
-static int strip_bg_char PARAMS ((char **));
+static void go_command (char *line_no, int from_tty);
-void _initialize_infcmd PARAMS ((void));
+static int strip_bg_char (char **);
-#define GO_USAGE "Usage: go <location>\n"
+void _initialize_infcmd (void);
-static void breakpoint_auto_delete_contents PARAMS ((PTR));
+#define GO_USAGE "Usage: go <location>\n"
#define ERROR_NO_INFERIOR \
if (!target_has_execution) error ("The program is not being run.");
static char *inferior_args;
+/* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero,
+ then we must compute INFERIOR_ARGS from this (via the target). */
+
+static int inferior_argc;
+static char **inferior_argv;
+
/* File name for default use for standard in/out in the inferior. */
char *inferior_io_terminal;
being debugged it should be nonzero (currently 3 is used) for remote
debugging. */
-int inferior_pid;
+ptid_t inferior_ptid;
/* Last signal that the inferior received (why it stopped). */
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. */
-CORE_ADDR step_frame_address;
+struct frame_id step_frame_id;
/* Our notion of the current stack pointer. */
CORE_ADDR step_sp;
-/* 1 means step over all subroutine calls.
- 0 means don't step over calls (used by stepi).
- -1 means step over calls to undebuggable functions. */
-
-int step_over_calls;
+enum step_over_calls_kind step_over_calls;
/* If stepping, nonzero means step count is > 1
so don't print frame next time inferior stops
struct environ *inferior_environ;
\f
+/* Accessor routines. */
+
+char *
+get_inferior_args (void)
+{
+ if (inferior_argc != 0)
+ {
+ char *n, *old;
+
+ n = gdbarch_construct_inferior_arguments (current_gdbarch,
+ inferior_argc, inferior_argv);
+ old = set_inferior_args (n);
+ xfree (old);
+ }
+
+ if (inferior_args == NULL)
+ inferior_args = xstrdup ("");
+
+ return inferior_args;
+}
+
+char *
+set_inferior_args (char *newargs)
+{
+ char *saved_args = inferior_args;
+
+ inferior_args = newargs;
+ inferior_argc = 0;
+ inferior_argv = 0;
+
+ return saved_args;
+}
+
+void
+set_inferior_args_vector (int argc, char **argv)
+{
+ inferior_argc = argc;
+ inferior_argv = argv;
+}
+
+/* Notice when `set args' is run. */
+static void
+notice_args_set (char *args, int from_tty, struct cmd_list_element *c)
+{
+ inferior_argc = 0;
+ inferior_argv = 0;
+}
+
+/* Notice when `show args' is run. */
+static void
+notice_args_read (char *args, int from_tty, struct cmd_list_element *c)
+{
+ /* Might compute the value. */
+ get_inferior_args ();
+}
+
+\f
+/* Compute command-line string given argument vector. This does the
+ same shell processing as fork_inferior. */
+/* ARGSUSED */
+char *
+construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv)
+{
+ char *result;
+
+ if (STARTUP_WITH_SHELL)
+ {
+ /* This holds all the characters considered special to the
+ typical Unix shells. We include `^' because the SunOS
+ /bin/sh treats it as a synonym for `|'. */
+ char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n";
+ int i;
+ int length = 0;
+ char *out, *cp;
+
+ /* We over-compute the size. It shouldn't matter. */
+ for (i = 0; i < argc; ++i)
+ length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0');
+
+ result = (char *) xmalloc (length);
+ out = result;
+
+ for (i = 0; i < argc; ++i)
+ {
+ if (i > 0)
+ *out++ = ' ';
+
+ /* Need to handle empty arguments specially. */
+ if (argv[i][0] == '\0')
+ {
+ *out++ = '\'';
+ *out++ = '\'';
+ }
+ else
+ {
+ for (cp = argv[i]; *cp; ++cp)
+ {
+ if (strchr (special, *cp) != NULL)
+ *out++ = '\\';
+ *out++ = *cp;
+ }
+ }
+ }
+ *out = '\0';
+ }
+ else
+ {
+ /* In this case we can't handle arguments that contain spaces,
+ tabs, or newlines -- see breakup_args(). */
+ int i;
+ int length = 0;
+
+ for (i = 0; i < argc; ++i)
+ {
+ char *cp = strchr (argv[i], ' ');
+ if (cp == NULL)
+ cp = strchr (argv[i], '\t');
+ if (cp == NULL)
+ cp = strchr (argv[i], '\n');
+ if (cp != NULL)
+ error ("can't handle command-line argument containing whitespace");
+ length += strlen (argv[i]) + 1;
+ }
+
+ result = (char *) xmalloc (length);
+ result[0] = '\0';
+ for (i = 0; i < argc; ++i)
+ {
+ if (i > 0)
+ strcat (result, " ");
+ strcat (result, argv[i]);
+ }
+ }
+
+ return result;
+}
+\f
/* This function detects whether or not a '&' character (indicating
background execution) has been added as *the last* of the arguments ARGS
of a command. If it has, it removes it and returns 1. Otherwise it
does nothing and returns 0. */
static int
-strip_bg_char (args)
- char **args;
+strip_bg_char (char **args)
{
char *p = NULL;
/* ARGSUSED */
void
-tty_command (file, from_tty)
- char *file;
- int from_tty;
+tty_command (char *file, int from_tty)
{
if (file == 0)
error_no_arg ("terminal name for running target process");
}
static void
-run_command (args, from_tty)
- char *args;
- int from_tty;
+run_command (char *args, int from_tty)
{
char *exec_file;
dont_repeat ();
- if (inferior_pid != 0 && target_has_execution)
+ if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution)
{
if (from_tty
&& !query ("The program being debugged has been started already.\n\
clear_breakpoint_hit_counts ();
- exec_file = (char *) get_exec_file (0);
-
/* Purge old solib objfiles. */
objfile_purge_solibs ();
do_run_cleanups (NULL);
- /* The exec file is re-read every time we do a generic_mourn_inferior, so
- we just have to worry about the symbol file. */
+ /* The comment here used to read, "The exec file is re-read every
+ time we do a generic_mourn_inferior, so we just have to worry
+ about the symbol file." The `generic_mourn_inferior' function
+ gets called whenever the program exits. However, suppose the
+ program exits, and *then* the executable file changes? We need
+ to check again here. Since reopen_exec_file doesn't do anything
+ if the timestamp hasn't changed, I don't see the harm. */
+ reopen_exec_file ();
reread_symbols ();
+ exec_file = (char *) get_exec_file (0);
+
/* We keep symbols from add-symbol-file, on the grounds that the
user might want to add some symbols before running the program
(right?). But sometimes (dynamic loading where the user manually
want them to go away (PR 2207). This is probably reasonable. */
if (!args)
- sync_execution = 1;
+ {
+ if (event_loop_p && target_can_async_p ())
+ async_disable_stdin ();
+ }
else
{
- char *cmd;
int async_exec = strip_bg_char (&args);
/* If we get a request for running in the bg but the target
doesn't support it, error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we don't get a request of running in the bg, then we need
to simulate synchronous (fg) execution. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
/* If there were other args, beside '&', process them. */
if (args)
{
- cmd = concat ("set args ", args, NULL);
- make_cleanup (free, cmd);
- execute_command (cmd, from_tty);
+ char *old_args = set_inferior_args (xstrdup (args));
+ xfree (old_args);
}
}
if (from_tty)
{
- puts_filtered ("Starting program: ");
+ ui_out_field_string (uiout, NULL, "Starting program");
+ ui_out_text (uiout, ": ");
if (exec_file)
- puts_filtered (exec_file);
- puts_filtered (" ");
- puts_filtered (inferior_args);
- puts_filtered ("\n");
- gdb_flush (gdb_stdout);
+ ui_out_field_string (uiout, "execfile", exec_file);
+ ui_out_spaces (uiout, 1);
+ /* We call get_inferior_args() because we might need to compute
+ the value now. */
+ ui_out_field_string (uiout, "infargs", get_inferior_args ());
+ ui_out_text (uiout, "\n");
+ ui_out_flush (uiout);
}
- target_create_inferior (exec_file, inferior_args,
+ /* We call get_inferior_args() because we might need to compute
+ the value now. */
+ target_create_inferior (exec_file, get_inferior_args (),
environ_vector (inferior_environ));
}
static void
-run_no_args_command (args, from_tty)
- char *args;
- int from_tty;
+run_no_args_command (char *args, int from_tty)
{
- execute_command ("set args", from_tty);
- run_command ((char *) NULL, from_tty);
+ char *old_args = set_inferior_args (xstrdup (""));
+ xfree (old_args);
}
\f
void
-continue_command (proc_count_exp, from_tty)
- char *proc_count_exp;
- int from_tty;
+continue_command (char *proc_count_exp, int from_tty)
{
int async_exec = 0;
ERROR_NO_INFERIOR;
/* If we must run in the background, but the target can't do it,
error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we are not asked to run in the bg, then prepare to run in the
foreground, synchronously. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
/* If have argument (besides '&'), set proceed count of breakpoint
while (num != 0)
{
set_ignore_count (num,
- parse_and_eval_address (proc_count_exp) - 1,
+ parse_and_eval_long (proc_count_exp) - 1,
from_tty);
/* set_ignore_count prints a message ending with a period.
So print two spaces before "Continuing.". */
clear_proceed_status ();
- proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
}
\f
/* Step until outside of current statement. */
/* ARGSUSED */
static void
-step_command (count_string, from_tty)
- char *count_string;
- int from_tty;
+step_command (char *count_string, int from_tty)
{
step_1 (0, 0, count_string);
}
/* ARGSUSED */
static void
-next_command (count_string, from_tty)
- char *count_string;
- int from_tty;
+next_command (char *count_string, int from_tty)
{
step_1 (1, 0, count_string);
}
/* ARGSUSED */
void
-stepi_command (count_string, from_tty)
- char *count_string;
- int from_tty;
+stepi_command (char *count_string, int from_tty)
{
step_1 (0, 1, count_string);
}
/* ARGSUSED */
void
-nexti_command (count_string, from_tty)
- char *count_string;
- int from_tty;
+nexti_command (char *count_string, int from_tty)
{
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;
+disable_longjmp_breakpoint_cleanup (void *ignore)
+{
+ disable_longjmp_breakpoint ();
+}
+
+static void
+step_1 (int skip_subroutines, int single_inst, char *count_string)
{
register int count = 1;
struct frame_info *frame;
/* If we get a request for running in the bg but the target
doesn't support it, error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we don't get a request of running in the bg, then we need
to simulate synchronous (fg) execution. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
- count = count_string ? parse_and_eval_address (count_string) : 1;
+ count = count_string ? parse_and_eval_long (count_string) : 1;
if (!single_inst || skip_subroutines) /* leave si command alone */
{
enable_longjmp_breakpoint ();
- cleanups = make_cleanup ((make_cleanup_func) disable_longjmp_breakpoint,
- 0);
+ if (!event_loop_p || !target_can_async_p ())
+ cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/);
+ else
+ make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/);
+ }
+
+ /* In synchronous case, all is well, just use the regular for loop. */
+ if (!event_loop_p || !target_can_async_p ())
+ {
+ for (; count > 0; count--)
+ {
+ clear_proceed_status ();
+
+ frame = get_current_frame ();
+ if (!frame) /* Avoid coredump here. Why tho? */
+ error ("No current frame");
+ step_frame_id = get_frame_id (frame);
+ step_sp = read_sp ();
+
+ if (!single_inst)
+ {
+ find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
+ if (step_range_end == 0)
+ {
+ char *name;
+ if (find_pc_partial_function (stop_pc, &name, &step_range_start,
+ &step_range_end) == 0)
+ error ("Cannot find bounds of current function");
+
+ target_terminal_ours ();
+ printf_filtered ("\
+Single stepping until exit from function %s, \n\
+which has no line number information.\n", name);
+ }
+ }
+ else
+ {
+ /* Say we are stepping, but stop after one insn whatever it does. */
+ step_range_start = step_range_end = 1;
+ if (!skip_subroutines)
+ /* It is stepi.
+ Don't step over function calls, not even to functions lacking
+ line numbers. */
+ step_over_calls = STEP_OVER_NONE;
+ }
+
+ if (skip_subroutines)
+ step_over_calls = STEP_OVER_ALL;
+
+ step_multi = (count > 1);
+ proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
+
+ if (!stop_step)
+ break;
+
+ /* FIXME: On nexti, this may have already been done (when we hit the
+ step resume break, I think). Probably this should be moved to
+ wait_for_inferior (near the top). */
+#if defined (SHIFT_INST_REGS)
+ SHIFT_INST_REGS ();
+#endif
+ }
+
+ if (!single_inst || skip_subroutines)
+ do_cleanups (cleanups);
+ return;
+ }
+ /* In case of asynchronous target things get complicated, do only
+ one step for now, before returning control to the event loop. Let
+ the continuation figure out how many other steps we need to do,
+ and handle them one at the time, through step_once(). */
+ else
+ {
+ if (event_loop_p && target_can_async_p ())
+ step_once (skip_subroutines, single_inst, count);
+ }
+}
+
+/* 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
+ 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
+ step_1_continuation are co-recursive. */
+static void
+step_1_continuation (struct continuation_arg *arg)
+{
+ int count;
+ int skip_subroutines;
+ int single_inst;
+
+ skip_subroutines = arg->data.integer;
+ single_inst = arg->next->data.integer;
+ count = arg->next->next->data.integer;
+
+ if (stop_step)
+ {
+ /* FIXME: On nexti, this may have already been done (when we hit the
+ step resume break, I think). Probably this should be moved to
+ wait_for_inferior (near the top). */
+#if defined (SHIFT_INST_REGS)
+ SHIFT_INST_REGS ();
+#endif
+ step_once (skip_subroutines, single_inst, count - 1);
}
+ else
+ if (!single_inst || skip_subroutines)
+ do_exec_cleanups (ALL_CLEANUPS);
+}
- for (; count > 0; count--)
+/* 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
+ 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,
+ 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
+ been completed.*/
+static void
+step_once (int skip_subroutines, int single_inst, int count)
+{
+ struct continuation_arg *arg1;
+ struct continuation_arg *arg2;
+ struct continuation_arg *arg3;
+ struct frame_info *frame;
+
+ if (count > 0)
{
clear_proceed_status ();
frame = get_current_frame ();
if (!frame) /* Avoid coredump here. Why tho? */
error ("No current frame");
- step_frame_address = FRAME_FP (frame);
+ step_frame_id = get_frame_id (frame);
step_sp = read_sp ();
if (!single_inst)
{
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
- if (step_range_end == 0)
+
+ /* If we have no line info, switch to stepi mode. */
+ if (step_range_end == 0 && step_stop_if_no_debug)
+ {
+ step_range_start = step_range_end = 1;
+ }
+ else if (step_range_end == 0)
{
char *name;
if (find_pc_partial_function (stop_pc, &name, &step_range_start,
/* It is stepi.
Don't step over function calls, not even to functions lacking
line numbers. */
- step_over_calls = 0;
+ step_over_calls = STEP_OVER_NONE;
}
if (skip_subroutines)
- step_over_calls = 1;
+ step_over_calls = STEP_OVER_ALL;
step_multi = (count > 1);
- proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_DEFAULT, 1);
- if (!stop_step)
- break;
-
- /* FIXME: On nexti, this may have already been done (when we hit the
- step resume break, I think). Probably this should be moved to
- wait_for_inferior (near the top). */
-#if defined (SHIFT_INST_REGS)
- SHIFT_INST_REGS ();
-#endif
+ arg1 =
+ (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
+ arg2 =
+ (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
+ arg3 =
+ (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
+ arg1->next = arg2;
+ arg1->data.integer = skip_subroutines;
+ arg2->next = arg3;
+ arg2->data.integer = single_inst;
+ arg3->next = NULL;
+ arg3->data.integer = count;
+ add_intermediate_continuation (step_1_continuation, arg1);
+ proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
}
-
- if (!single_inst || skip_subroutines)
- do_cleanups (cleanups);
}
+
\f
/* Continue program at specified address. */
static void
-jump_command (arg, from_tty)
- char *arg;
- int from_tty;
+jump_command (char *arg, int from_tty)
{
register CORE_ADDR addr;
struct symtabs_and_lines sals;
/* If we must run in the background, but the target can't do it,
error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we are not asked to run in the bg, then prepare to run in the
foreground, synchronously. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
if (!arg)
}
sal = sals.sals[0];
- free ((PTR) sals.sals);
+ xfree (sals.sals);
if (sal.symtab == 0 && sal.pc == 0)
error ("No source file has been specified.");
if (fn != NULL && sfn != fn)
{
if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line,
- SYMBOL_SOURCE_NAME (fn)))
+ SYMBOL_PRINT_NAME (fn)))
{
error ("Not confirmed.");
/* NOTREACHED */
/* Go to line or address in current procedure */
static void
-go_command (line_no, from_tty)
- char *line_no;
- int from_tty;
+go_command (char *line_no, int from_tty)
{
if (line_no == (char *) NULL || !*line_no)
printf_filtered (GO_USAGE);
/* Continue program giving it specified signal. */
static void
-signal_command (signum_exp, from_tty)
- char *signum_exp;
- int from_tty;
+signal_command (char *signum_exp, int from_tty)
{
enum target_signal oursig;
if (oursig == TARGET_SIGNAL_UNKNOWN)
{
/* No, try numeric. */
- int num = parse_and_eval_address (signum_exp);
+ int num = parse_and_eval_long (signum_exp);
if (num == 0)
oursig = TARGET_SIGNAL_0;
FIXME: Neither should "signal foo" but when I tried passing
(CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't
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
- pointed to by arg (which is really a bpstat *). */
-
-static void
-breakpoint_auto_delete_contents (arg)
- PTR arg;
-{
- breakpoint_auto_delete (*(bpstat *) arg);
-}
-
-
-/* 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 and returns 0.
- Otherwise, run_stack-dummy returns 1 (the frame will eventually be popped
- when we do hit that breakpoint). */
-
-int
-run_stack_dummy (addr, buffer)
- CORE_ADDR addr;
- char *buffer;
-{
- struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0);
-
- /* Now proceed, having reached the desired place. */
- clear_proceed_status ();
-
- if (CALL_DUMMY_BREAKPOINT_OFFSET_P)
- {
- struct breakpoint *bpt;
- struct symtab_and_line sal;
-
- INIT_SAL (&sal); /* initialize to zeroes */
- if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT)
- {
- sal.pc = CALL_DUMMY_ADDRESS ();
- }
- else
- {
- sal.pc = addr - CALL_DUMMY_START_OFFSET + CALL_DUMMY_BREAKPOINT_OFFSET;
- }
- sal.section = find_pc_overlay (sal.pc);
-
- /* Set up a FRAME for the dummy frame so we can pass it to
- set_momentary_breakpoint. We need to give the breakpoint a
- frame in case there is only one copy of the dummy (e.g.
- CALL_DUMMY_LOCATION == AFTER_TEXT_END). */
- flush_cached_frames ();
- set_current_frame (create_new_frame (read_fp (), sal.pc));
-
- /* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put
- a breakpoint instruction. If not, the call dummy already has the
- breakpoint instruction in it.
-
- addr is the address of the call dummy plus the CALL_DUMMY_START_OFFSET,
- so we need to subtract the CALL_DUMMY_START_OFFSET. */
- bpt = set_momentary_breakpoint (sal,
- get_current_frame (),
- bp_call_dummy);
- bpt->disposition = del;
-
- /* 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
- out of resume()), then we wouldn't need this. */
- make_cleanup (breakpoint_auto_delete_contents, &stop_bpstat);
- }
-
- disable_watchpoints_before_interactive_call_start ();
- proceed_to_finish = 1; /* We want stop_registers, please... */
- proceed (addr, TARGET_SIGNAL_0, 0);
- enable_watchpoints_after_interactive_call_stop ();
-
- discard_cleanups (old_cleanups);
-
- if (!stop_stack_dummy)
- return 1;
-
- /* On return, the stack dummy has been popped already. */
-
- memcpy (buffer, stop_registers, REGISTER_BYTES);
- return 0;
-}
-\f
/* 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.
/* ARGSUSED */
static void
-until_next_command (from_tty)
- int from_tty;
+until_next_command (int from_tty)
{
struct frame_info *frame;
CORE_ADDR pc;
step_range_end = sal.end;
}
- step_over_calls = 1;
- step_frame_address = FRAME_FP (frame);
+ step_over_calls = STEP_OVER_ALL;
+ step_frame_id = get_frame_id (frame);
step_sp = read_sp ();
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
-until_command (arg, from_tty)
- char *arg;
- int from_tty;
+until_command (char *arg, int from_tty)
{
int async_exec = 0;
/* If we must run in the background, but the target can't do it,
error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we are not asked to run in the bg, then prepare to run in the
foreground, synchronously. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
if (arg)
- until_break_command (arg, from_tty);
+ until_break_command (arg, from_tty, 0);
else
until_next_command (from_tty);
}
+
+static void
+advance_command (char *arg, int from_tty)
+{
+ int async_exec = 0;
+
+ if (!target_has_execution)
+ error ("The program is not running.");
+
+ if (arg == NULL)
+ error_no_arg ("a location");
+
+ /* Find out whether we must run in the background. */
+ if (arg != NULL)
+ async_exec = strip_bg_char (&arg);
+
+ /* If we must run in the background, but the target can't do it,
+ error out. */
+ if (event_loop_p && async_exec && !target_can_async_p ())
+ error ("Asynchronous execution not supported on this target.");
+
+ /* If we are not asked to run in the bg, then prepare to run in the
+ foreground, synchronously. */
+ if (event_loop_p && !async_exec && target_can_async_p ())
+ {
+ /* Simulate synchronous execution. */
+ async_disable_stdin ();
+ }
+
+ until_break_command (arg, from_tty, 1);
+}
\f
+/* Print the result of a function at the end of a 'finish' command. */
+static void
+print_return_value (int structure_return, struct type *value_type)
+{
+ struct value *value;
+ static struct ui_stream *stb = NULL;
+
+ if (!structure_return)
+ {
+ value = value_being_returned (value_type, stop_registers, structure_return);
+ stb = ui_out_stream_new (uiout);
+ ui_out_text (uiout, "Value returned is ");
+ ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
+ ui_out_text (uiout, " = ");
+ value_print (value, stb->stream, 0, Val_no_prettyprint);
+ ui_out_field_stream (uiout, "return-value", stb);
+ ui_out_text (uiout, "\n");
+ }
+ else
+ {
+ /* We cannot determine the contents of the structure because
+ 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 */
+#ifdef VALUE_RETURNED_FROM_STACK
+ value = 0;
+ ui_out_text (uiout, "Value returned has type: ");
+ ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type));
+ ui_out_text (uiout, ".");
+ ui_out_text (uiout, " Cannot determine contents\n");
+#else
+ value = value_being_returned (value_type, stop_registers, structure_return);
+ stb = ui_out_stream_new (uiout);
+ ui_out_text (uiout, "Value returned is ");
+ ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
+ ui_out_text (uiout, " = ");
+ value_print (value, stb->stream, 0, Val_no_prettyprint);
+ ui_out_field_stream (uiout, "return-value", stb);
+ ui_out_text (uiout, "\n");
+#endif
+ }
+}
+
/* 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
the call to poll or select in the event loop, so it is impossible to
only chance we have to complete this command is in
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
- cmd_continaution pointer. */
+ cmd_continuation pointer. */
void
-finish_command_continuation (arg)
- struct continuation_arg *arg;
+finish_command_continuation (struct continuation_arg *arg)
{
register struct symbol *function;
struct breakpoint *breakpoint;
+ struct cleanup *cleanups;
- breakpoint = (struct breakpoint *) arg->data;
- function = (struct symbol *) (arg->next)->data;
+ breakpoint = (struct breakpoint *) arg->data.pointer;
+ function = (struct symbol *) arg->next->data.pointer;
+ cleanups = (struct cleanup *) arg->next->next->data.pointer;
if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL
&& function != 0)
{
struct type *value_type;
- register value_ptr val;
CORE_ADDR funcaddr;
int struct_return;
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
if (!value_type)
- internal_error ("finish_command: function has no target type");
+ internal_error (__FILE__, __LINE__,
+ "finish_command: function has no target type");
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
{
- do_exec_cleanups (ALL_CLEANUPS);
+ do_exec_cleanups (cleanups);
return;
}
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
struct_return = using_struct_return (value_of_variable (function, NULL),
-
funcaddr,
check_typedef (value_type),
- BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
-
- if (!struct_return)
- {
- val = value_being_returned (value_type, stop_registers, struct_return);
- printf_filtered ("Value returned is $%d = ", record_latest_value (val));
- value_print (val, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
- }
- else
- {
- /* We cannot determine the contents of the structure because
- 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 */
-#ifdef VALUE_RETURNED_FROM_STACK
- val = 0;
- printf_filtered ("Value returned has type: %s.",
- TYPE_NAME (value_type));
- printf_filtered (" Cannot determine contents\n");
-#else
- val = value_being_returned (value_type, stop_registers,
- struct_return);
- printf_filtered ("Value returned is $%d = ",
- record_latest_value (val));
- value_print (val, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
-#endif
+ BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
- }
+ print_return_value (struct_return, value_type);
}
- do_exec_cleanups (ALL_CLEANUPS);
+ do_exec_cleanups (cleanups);
}
/* "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;
+finish_command (char *arg, int from_tty)
{
struct symtab_and_line sal;
register struct frame_info *frame;
register struct symbol *function;
struct breakpoint *breakpoint;
struct cleanup *old_chain;
- struct continuation_arg *arg1, *arg2;
+ struct continuation_arg *arg1, *arg2, *arg3;
int async_exec = 0;
/* If we must run in the background, but the target can't do it,
error out. */
- if (async_p && async_exec && !target_has_async)
+ if (event_loop_p && async_exec && !target_can_async_p ())
error ("Asynchronous execution not supported on this target.");
/* If we are not asked to run in the bg, then prepare to run in the
foreground, synchronously. */
- if (async_p && !async_exec && target_has_async)
+ if (event_loop_p && !async_exec && target_can_async_p ())
{
/* Simulate synchronous execution */
- sync_execution = 1;
+ async_disable_stdin ();
}
if (arg)
error ("The \"finish\" command does not take any arguments.");
if (!target_has_execution)
error ("The program is not running.");
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
error ("No selected frame.");
- frame = get_prev_frame (selected_frame);
+ frame = get_prev_frame (deprecated_selected_frame);
if (frame == 0)
error ("\"finish\" not meaningful in the outermost frame.");
clear_proceed_status ();
- sal = find_pc_line (frame->pc, 0);
- sal.pc = frame->pc;
+ sal = find_pc_line (get_frame_pc (frame), 0);
+ sal.pc = get_frame_pc (frame);
- breakpoint = set_momentary_breakpoint (sal, frame, bp_finish);
+ breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish);
- if (!async_p || !target_has_async)
- old_chain = make_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
+ if (!event_loop_p || !target_can_async_p ())
+ old_chain = make_cleanup_delete_breakpoint (breakpoint);
else
- make_exec_cleanup ((make_cleanup_func) delete_breakpoint, breakpoint);
+ old_chain = make_exec_cleanup_delete_breakpoint (breakpoint);
/* Find the function we will return from. */
- function = find_pc_function (selected_frame->pc);
+ function = find_pc_function (get_frame_pc (deprecated_selected_frame));
/* Print info on the selected frame, including level number
but not source. */
if (from_tty)
{
printf_filtered ("Run till exit from ");
- print_stack_frame (selected_frame, selected_frame_level, 0);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 0);
}
/* If running asynchronously and the target support asynchronous
execution, set things up for the rest of the finish command to be
completed later on, when gdb has detected that the target has
stopped, in fetch_inferior_event. */
- if (async_p && target_has_async)
+ if (event_loop_p && target_can_async_p ())
{
arg1 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg2 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
+ arg3 =
+ (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg1->next = arg2;
- arg2->next = NULL;
- arg1->data = (PTR) breakpoint;
- arg2->data = (PTR) function;
+ arg2->next = arg3;
+ arg3->next = NULL;
+ arg1->data.pointer = breakpoint;
+ arg2->data.pointer = function;
+ arg3->data.pointer = old_chain;
add_continuation (finish_command_continuation, arg1);
}
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
cannot do async execution. Otherwise, complete this command when
the target actually stops, in fetch_inferior_event. */
- if (!async_p || !target_has_async)
+ if (!event_loop_p || !target_can_async_p ())
{
/* Did we stop at our breakpoint? */
&& function != 0)
{
struct type *value_type;
- register value_ptr val;
CORE_ADDR funcaddr;
int struct_return;
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
if (!value_type)
- internal_error ("finish_command: function has no target type");
+ internal_error (__FILE__, __LINE__,
+ "finish_command: function has no target type");
/* FIXME: Shouldn't we do the cleanups before returning? */
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
check_typedef (value_type),
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)));
- if (!struct_return)
- {
- val =
- value_being_returned (value_type, stop_registers, struct_return);
- printf_filtered ("Value returned is $%d = ",
- record_latest_value (val));
- value_print (val, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
- }
- else
- {
- /* We cannot determine the contents of the structure
- because 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 */
-#ifdef VALUE_RETURNED_FROM_STACK
- val = 0;
- printf_filtered ("Value returned has type: %s.",
- TYPE_NAME (value_type));
- printf_filtered (" Cannot determine contents\n");
-#else
- val = value_being_returned (value_type, stop_registers,
- struct_return);
- printf_filtered ("Value returned is $%d = ",
- record_latest_value (val));
- value_print (val, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
-#endif
- }
+ print_return_value (struct_return, value_type);
}
do_cleanups (old_chain);
}
\f
/* ARGSUSED */
static void
-program_info (args, from_tty)
- char *args;
- int from_tty;
+program_info (char *args, int from_tty)
{
bpstat bs = stop_bpstat;
int num = bpstat_num (&bs);
}
\f
static void
-environment_info (var, from_tty)
- char *var;
- int from_tty;
+environment_info (char *var, int from_tty)
{
if (var)
{
}
static void
-set_environment_command (arg, from_tty)
- char *arg;
- int from_tty;
+set_environment_command (char *arg, int from_tty)
{
register char *p, *val, *var;
int nullset = 0;
}
else
set_in_environ (inferior_environ, var, val);
- free (var);
+ xfree (var);
}
static void
-unset_environment_command (var, from_tty)
- char *var;
- int from_tty;
+unset_environment_command (char *var, int from_tty)
{
if (var == 0)
{
/* ARGSUSED */
static void
-path_info (args, from_tty)
- char *args;
- int from_tty;
+path_info (char *args, int from_tty)
{
puts_filtered ("Executable and object file path: ");
puts_filtered (get_in_environ (inferior_environ, path_var_name));
/* Add zero or more directories to the front of the execution path. */
static void
-path_command (dirname, from_tty)
- char *dirname;
- int from_tty;
+path_command (char *dirname, int from_tty)
{
char *exec_path;
char *env;
/* Can be null if path is not set */
if (!env)
env = "";
- exec_path = strsave (env);
+ exec_path = xstrdup (env);
mod_path (dirname, &exec_path);
set_in_environ (inferior_environ, path_var_name, exec_path);
- free (exec_path);
+ xfree (exec_path);
if (from_tty)
path_info ((char *) NULL, from_tty);
}
#ifdef REGISTER_NAMES
char *gdb_register_names[] = REGISTER_NAMES;
#endif
-/* Print out the machine register regnum. If regnum is -1,
- print all registers (fpregs == 1) or all non-float registers
- (fpregs == 0).
+/* Print out the machine register regnum. If regnum is -1, print all
+ registers (print_all == 1) or all non-float and non-vector
+ registers (print_all == 0).
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 MIPS 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, fp)
- to provide that format. */
+ register(s) one per line is good enough. If a different format is
+ required, (eg, for MIPS or Pyramid 90x, which both have lots of
+ regs), or there is an existing convention for showing all the
+ registers, define the architecture method PRINT_REGISTERS_INFO to
+ provide that format. */
-#if !defined (DO_REGISTERS_INFO)
-
-#define DO_REGISTERS_INFO(regnum, fp) do_registers_info(regnum, fp)
-
-static void
-do_registers_info (regnum, fpregs)
- int regnum;
- int fpregs;
+void
+default_print_registers_info (struct gdbarch *gdbarch,
+ struct ui_file *file,
+ struct frame_info *frame,
+ int regnum, int print_all)
{
- register int i;
- int numregs = ARCH_NUM_REGS;
+ int i;
+ const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ char raw_buffer[MAX_REGISTER_SIZE];
+ char virtual_buffer[MAX_REGISTER_SIZE];
- for (i = 0; i < numregs; i++)
+ if (DEPRECATED_DO_REGISTERS_INFO_P ())
{
- char raw_buffer[MAX_REGISTER_RAW_SIZE];
- char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
+ DEPRECATED_DO_REGISTERS_INFO (regnum, print_all);
+ return;
+ }
- /* Decide between printing all regs, nonfloat regs, or specific reg. */
+ for (i = 0; i < numregs; i++)
+ {
+ /* Decide between printing all regs, non-float / vector regs, or
+ specific reg. */
if (regnum == -1)
{
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT && !fpregs)
- continue;
+ if (print_all)
+ {
+ if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup))
+ continue;
+ }
+ else
+ {
+ if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup))
+ continue;
+ }
}
else
{
if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
continue;
- fputs_filtered (REGISTER_NAME (i), gdb_stdout);
- print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), gdb_stdout);
+ fputs_filtered (REGISTER_NAME (i), file);
+ print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
/* Get the data in raw format. */
- if (read_relative_register_raw_bytes (i, raw_buffer))
+ if (! frame_register_read (frame, i, raw_buffer))
{
- printf_filtered ("*value not available*\n");
+ fprintf_filtered (file, "*value not available*\n");
continue;
}
+ /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+ The function frame_register_read() should have returned the
+ pre-cooked register so no conversion is necessary. */
/* Convert raw data to virtual format if necessary. */
- if (REGISTER_CONVERTIBLE (i))
+ if (DEPRECATED_REGISTER_CONVERTIBLE (i))
{
- REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+ DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (i, register_type (current_gdbarch, i),
raw_buffer, virtual_buffer);
}
else
REGISTER_VIRTUAL_SIZE (i));
}
- /* If virtual format is floating, print it that way, and in raw hex. */
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+ /* If virtual format is floating, print it that way, and in raw
+ hex. */
+ if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT)
{
- register int j;
+ int j;
-#ifdef INVALID_FLOAT
- if (INVALID_FLOAT (virtual_buffer, REGISTER_VIRTUAL_SIZE (i)))
- printf_filtered ("<invalid float>");
- else
-#endif
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
+ val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0,
+ file, 0, 1, 0, Val_pretty_default);
- printf_filtered ("\t(raw 0x");
+ fprintf_filtered (file, "\t(raw 0x");
for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
{
- register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
- : REGISTER_RAW_SIZE (i) - 1 - j;
- printf_filtered ("%02x", (unsigned char) raw_buffer[idx]);
+ int idx;
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ idx = j;
+ else
+ idx = REGISTER_RAW_SIZE (i) - 1 - j;
+ fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
}
- printf_filtered (")");
- }
-
-/* FIXME! val_print probably can handle all of these cases now... */
-
- /* Else if virtual format is too long for printf,
- print in hex a byte at a time. */
- else if (REGISTER_VIRTUAL_SIZE (i) > (int) sizeof (long))
- {
- register int j;
- printf_filtered ("0x");
- for (j = 0; j < REGISTER_VIRTUAL_SIZE (i); j++)
- printf_filtered ("%02x", (unsigned char) virtual_buffer[j]);
+ fprintf_filtered (file, ")");
}
- /* Else print as integer in hex and in decimal. */
else
{
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- gdb_stdout, 'x', 1, 0, Val_pretty_default);
- printf_filtered ("\t");
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
+ /* Print the register in hex. */
+ val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0,
+ file, 'x', 1, 0, Val_pretty_default);
+ /* If not a vector register, print it also according to its
+ natural format. */
+ if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0)
+ {
+ fprintf_filtered (file, "\t");
+ val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0,
+ file, 0, 1, 0, Val_pretty_default);
+ }
}
- /* The SPARC wants to print even-numbered float regs as doubles
- in addition to printing them as floats. */
-#ifdef PRINT_REGISTER_HOOK
- PRINT_REGISTER_HOOK (i);
-#endif
-
- printf_filtered ("\n");
+ fprintf_filtered (file, "\n");
}
}
-#endif /* no DO_REGISTERS_INFO. */
void
-registers_info (addr_exp, fpregs)
- char *addr_exp;
- int fpregs;
+registers_info (char *addr_exp, int fpregs)
{
int regnum, numregs;
register char *end;
if (!target_has_registers)
error ("The program has no registers now.");
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
error ("No selected frame.");
if (!addr_exp)
{
- DO_REGISTERS_INFO (-1, fpregs);
+ gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
+ deprecated_selected_frame, -1, fpregs);
return;
}
- do
+ while (*addr_exp != '\0')
{
- if (addr_exp[0] == '$')
- addr_exp++;
- end = addr_exp;
- while (*end != '\0' && *end != ' ' && *end != '\t')
- ++end;
- numregs = ARCH_NUM_REGS;
+ char *start;
+ const char *end;
- regnum = target_map_name_to_register (addr_exp, end - addr_exp);
- if (regnum >= 0)
- goto found;
-
- regnum = numregs;
+ /* Keep skipping leading white space. */
+ if (isspace ((*addr_exp)))
+ {
+ addr_exp++;
+ continue;
+ }
- if (*addr_exp >= '0' && *addr_exp <= '9')
- regnum = atoi (addr_exp); /* Take a number */
- if (regnum >= numregs) /* Bad name, or bad number */
- error ("%.*s: invalid register", end - addr_exp, addr_exp);
+ /* Discard any leading ``$''. Check that there is something
+ resembling a register following it. */
+ if (addr_exp[0] == '$')
+ addr_exp++;
+ if (isspace ((*addr_exp)) || (*addr_exp) == '\0')
+ error ("Missing register name");
- found:
- DO_REGISTERS_INFO (regnum, fpregs);
+ /* Find the start/end of this register name/num/group. */
+ start = addr_exp;
+ while ((*addr_exp) != '\0' && !isspace ((*addr_exp)))
+ addr_exp++;
+ end = addr_exp;
+
+ /* Figure out what we've found and display it. */
+
+ /* A register name? */
+ {
+ int regnum = frame_map_name_to_regnum (deprecated_selected_frame,
+ start, end - start);
+ if (regnum >= 0)
+ {
+ gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
+ deprecated_selected_frame, regnum, fpregs);
+ continue;
+ }
+ }
+
+ /* A register number? (how portable is this one?). */
+ {
+ char *endptr;
+ int regnum = strtol (start, &endptr, 0);
+ if (endptr == end
+ && regnum >= 0
+ && regnum < NUM_REGS + NUM_PSEUDO_REGS)
+ {
+ gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
+ deprecated_selected_frame, regnum, fpregs);
+ continue;
+ }
+ }
+
+ /* A register group? */
+ {
+ struct reggroup *const *group;
+ for (group = reggroups (current_gdbarch);
+ (*group) != NULL;
+ group++)
+ {
+ /* Don't bother with a length check. Should the user
+ enter a short register group name, go with the first
+ group that matches. */
+ if (strncmp (start, reggroup_name ((*group)), end - start) == 0)
+ break;
+ }
+ if ((*group) != NULL)
+ {
+ int regnum;
+ for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++)
+ {
+ if (gdbarch_register_reggroup_p (current_gdbarch, regnum,
+ (*group)))
+ gdbarch_print_registers_info (current_gdbarch,
+ gdb_stdout, deprecated_selected_frame,
+ regnum, fpregs);
+ }
+ continue;
+ }
+ }
- addr_exp = end;
- while (*addr_exp == ' ' || *addr_exp == '\t')
- ++addr_exp;
+ /* Nothing matched. */
+ error ("Invalid register `%.*s'", (int) (end - start), start);
}
- while (*addr_exp != '\0');
}
void
-all_registers_info (addr_exp, from_tty)
- char *addr_exp;
- int from_tty;
+all_registers_info (char *addr_exp, int from_tty)
{
registers_info (addr_exp, 1);
}
-void
-nofp_registers_info (addr_exp, from_tty)
- char *addr_exp;
- int from_tty;
+static void
+nofp_registers_info (char *addr_exp, int from_tty)
{
registers_info (addr_exp, 0);
}
+
+static void
+print_vector_info (struct gdbarch *gdbarch, struct ui_file *file,
+ struct frame_info *frame, const char *args)
+{
+ if (!target_has_registers)
+ error ("The program has no registers now.");
+ if (deprecated_selected_frame == NULL)
+ error ("No selected frame.");
+
+ if (gdbarch_print_vector_info_p (gdbarch))
+ gdbarch_print_vector_info (gdbarch, file, frame, args);
+ else
+ {
+ int regnum;
+ int printed_something = 0;
+
+ for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++)
+ {
+ if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup))
+ {
+ printed_something = 1;
+ gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1);
+ }
+ }
+ if (!printed_something)
+ fprintf_filtered (file, "No vector information\n");
+ }
+}
+
+static void
+vector_info (char *args, int from_tty)
+{
+ print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args);
+}
\f
/*
and wait for the trace-trap that results from attaching. */
void
-attach_command (args, from_tty)
- char *args;
- int from_tty;
+attach_command (char *args, int from_tty)
{
-#ifdef SOLIB_ADD
- extern int auto_solib_add;
-#endif
-
char *exec_file;
char *full_exec_path = NULL;
wait_for_inferior as soon as the target reports a stop. */
init_wait_for_inferior ();
clear_proceed_status ();
- stop_soon_quietly = 1;
/* No traps are generated when attaching to inferior under Mach 3
or GNU hurd. */
#ifndef ATTACH_NO_WAIT
+ /* Careful here. See comments in inferior.h. Basically some OSes
+ don't ignore SIGSTOPs on continue requests anymore. We need a
+ way for handle_inferior_event to reset the stop_signal variable
+ after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */
+ stop_soon = STOP_QUIETLY_NO_SIGSTOP;
wait_for_inferior ();
+ stop_soon = NO_STOP_QUIETLY;
#endif
/*
exec_file = (char *) get_exec_file (0);
if (!exec_file)
{
- exec_file = target_pid_to_exec_file (inferior_pid);
+ exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid));
if (exec_file)
{
/* It's possible we don't have a full path, but rather just a
full_exec_path = savestring (exec_file, strlen (exec_file));
exec_file_attach (full_exec_path, from_tty);
- symbol_file_command (full_exec_path, from_tty);
+ symbol_file_add_main (full_exec_path, from_tty);
}
}
#ifdef SOLIB_ADD
- if (auto_solib_add)
- {
- /* Add shared library symbols from the newly attached process, if any. */
- SOLIB_ADD ((char *) 0, from_tty, ¤t_target);
- re_enable_breakpoints_in_shlibs ();
- }
+ /* Add shared library symbols from the newly attached process, if any. */
+ SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add);
+ re_enable_breakpoints_in_shlibs ();
#endif
/* Take any necessary post-attaching actions for this platform.
*/
- target_post_attach (inferior_pid);
+ target_post_attach (PIDGET (inferior_ptid));
normal_stop ();
+
+ if (attach_hook)
+ attach_hook ();
}
/*
*/
static void
-detach_command (args, from_tty)
- char *args;
- int from_tty;
+detach_command (char *args, int from_tty)
{
dont_repeat (); /* Not for the faint of heart */
target_detach (args, from_tty);
#if defined(SOLIB_RESTART)
SOLIB_RESTART ();
#endif
+ if (detach_hook)
+ detach_hook ();
+}
+
+/* Disconnect from the current target without resuming it (leaving it
+ waiting for a debugger).
+
+ We'd better not have left any breakpoints in the program or the
+ next debugger will get confused. Currently only supported for some
+ remote targets, since the normal attach mechanisms don't work on
+ stopped processes on some native platforms (e.g. GNU/Linux). */
+
+static void
+disconnect_command (char *args, int from_tty)
+{
+ dont_repeat (); /* Not for the faint of heart */
+ target_disconnect (args, from_tty);
+#if defined(SOLIB_RESTART)
+ SOLIB_RESTART ();
+#endif
+ if (detach_hook)
+ detach_hook ();
}
/* Stop the execution of the target while running in async mode, in
the backgound. */
-static void
-interrupt_target_command (args, from_tty)
- char *args;
- int from_tty;
+void
+interrupt_target_command (char *args, int from_tty)
{
- if (async_p && target_has_async)
+ if (event_loop_p && target_can_async_p ())
{
dont_repeat (); /* Not for the faint of heart */
target_stop ();
/* ARGSUSED */
static void
-float_info (addr_exp, from_tty)
- char *addr_exp;
- int from_tty;
+print_float_info (struct gdbarch *gdbarch, struct ui_file *file,
+ struct frame_info *frame, const char *args)
{
-#ifdef FLOAT_INFO
- FLOAT_INFO;
-#else
- printf_filtered ("No floating point info available for this processor.\n");
-#endif
+ if (!target_has_registers)
+ error ("The program has no registers now.");
+ if (deprecated_selected_frame == NULL)
+ error ("No selected frame.");
+
+ if (gdbarch_print_float_info_p (gdbarch))
+ gdbarch_print_float_info (gdbarch, file, frame, args);
+ else
+ {
+ int regnum;
+ int printed_something = 0;
+
+ for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++)
+ {
+ if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup))
+ {
+ printed_something = 1;
+ gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1);
+ }
+ }
+ if (!printed_something)
+ fprintf_filtered (file, "\
+No floating-point info available for this processor.\n");
+ }
+}
+
+static void
+float_info (char *args, int from_tty)
+{
+ print_float_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args);
}
\f
/* ARGSUSED */
static void
-unset_command (args, from_tty)
- char *args;
- int from_tty;
+unset_command (char *args, int from_tty)
{
printf_filtered ("\"unset\" must be followed by the name of ");
printf_filtered ("an unset subcommand.\n");
}
void
-_initialize_infcmd ()
+_initialize_infcmd (void)
{
struct cmd_list_element *c;
- add_com ("tty", class_run, tty_command,
- "Set terminal for future runs of program being debugged.");
+ c = add_com ("tty", class_run, tty_command,
+ "Set terminal for future runs of program being debugged.");
+ set_cmd_completer (c, filename_completer);
- add_show_from_set
- (add_set_cmd ("args", class_run, var_string_noescape,
- (char *) &inferior_args,
- "Set argument list to give program being debugged when it is started.\n\
+ c = add_set_cmd ("args", class_run, var_string_noescape,
+ (char *) &inferior_args,
+ "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.",
- &setlist),
- &showlist);
+ &setlist);
+ set_cmd_completer (c, filename_completer);
+ set_cmd_sfunc (c, notice_args_set);
+ c = add_show_from_set (c, &showlist);
+ set_cmd_sfunc (c, notice_args_read);
c = add_cmd
("environment", no_class, environment_info,
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.", &showlist);
- c->completer = noop_completer;
+ set_cmd_completer (c, noop_completer);
add_prefix_cmd ("unset", no_class, unset_command,
- "Complement to certain \"set\" commands",
+ "Complement to certain \"set\" commands.",
&unsetlist, "unset ", 0, &cmdlist);
c = 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.",
&unsetlist);
- c->completer = noop_completer;
+ set_cmd_completer (c, noop_completer);
c = add_cmd ("environment", class_run, set_environment_command,
"Set environment variable value to give the program.\n\
VALUES of environment variables are uninterpreted strings.\n\
This does not affect the program until the next \"run\" command.",
&setlist);
- c->completer = noop_completer;
+ set_cmd_completer (c, noop_completer);
- add_com ("path", class_files, path_command,
- "Add directory DIR(s) to beginning of search path for object files.\n\
+ c = add_com ("path", class_files, path_command,
+ "Add directory DIR(s) to beginning of search path for object files.\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\
directories, separated by colons. These directories are searched to find\n\
fully linked executable files and separately compiled object files as needed.");
+ set_cmd_completer (c, filename_completer);
c = add_cmd ("paths", no_class, path_info,
"Current search path for finding object files.\n\
directories, separated by colons. These directories are searched to find\n\
fully linked executable files and separately compiled object files as needed.",
&showlist);
- c->completer = noop_completer;
+ set_cmd_completer (c, noop_completer);
add_com ("attach", class_run, attach_command,
"Attach to a process or file outside of GDB.\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.");
+ add_com ("disconnect", class_run, disconnect_command,
+ "Disconnect from a target.\n\
+The target will wait for another debugger to connect. Not available for\n\
+all targets.");
+
add_com ("signal", class_run, signal_command,
"Continue program giving it signal specified by the argument.\n\
An argument of \"0\" means continue program without giving it a signal.");
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.");
+ c = add_com ("until", class_run, until_command,
+ "Execute until the program reaches a source line greater than the current\n\
+or a specified location (same args as break command) within the current frame.");
+ set_cmd_completer (c, location_completer);
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\
+ c = add_com ("advance", class_run, advance_command,
+ "Continue the program up to the given location (same form as args for break command).\n\
+Execution will also stop upon exit from the current stack frame.");
+ set_cmd_completer (c, location_completer);
+
+ c = 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.");
+ set_cmd_completer (c, location_completer);
if (xdb_commands)
- add_com ("go", class_run, go_command,
- "Usage: go <location>\n\
+ {
+ c = add_com ("go", class_run, go_command,
+ "Usage: go <location>\n\
Continue program being debugged, stopping at specified line or \n\
address.\n\
Give as argument either LINENUM or *ADDR, where ADDR is an \n\
expression for an address to start at.\n\
This command is a combination of tbreak and jump.");
+ set_cmd_completer (c, location_completer);
+ }
if (xdb_commands)
add_com_alias ("g", "go", class_run, 1);
add_com_alias ("c", "cont", class_run, 1);
add_com_alias ("fg", "cont", class_run, 1);
- add_com ("run", class_run, run_command,
+ c = 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.");
+ set_cmd_completer (c, filename_completer);
add_com_alias ("r", "run", class_run, 1);
if (xdb_commands)
add_com ("R", class_run, run_no_args_command,
add_info ("registers", nofp_registers_info,
"List of integer registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register.");
+ add_info_alias ("r", "registers", 1);
if (xdb_commands)
add_com ("lr", class_info, nofp_registers_info,
add_info ("float", float_info,
"Print the status of the floating point unit\n");
- inferior_args = savestring ("", 1); /* Initially no args */
+ add_info ("vector", vector_info,
+ "Print the status of the vector unit\n");
+
inferior_environ = make_environ ();
init_environ (inferior_environ);
}