/* Memory-access and commands for "inferior" process, for GDB.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GDB.
#include "symfile.h"
#include "objfiles.h"
#include "completer.h"
-#ifdef UI_OUT
#include "ui-out.h"
-#endif
#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: */
-
-void nofp_registers_info (char *, int);
+/* Functions exported for general use, in inferior.h: */
void all_registers_info (char *, int);
void registers_info (char *, int);
-/* Local functions: */
+void nexti_command (char *, int);
+
+void stepi_command (char *, int);
void continue_command (char *, int);
+void interrupt_target_command (char *args, int from_tty);
+
+/* Local functions: */
+
+static void nofp_registers_info (char *, int);
+
static void print_return_value (int struct_return, struct type *value_type);
static void finish_command_continuation (struct continuation_arg *);
static void detach_command (char *, int);
-static void interrupt_target_command (char *args, int from_tty);
+static void disconnect_command (char *, int);
static void unset_environment_command (char *, int);
static void step_once (int skip_subroutines, int single_inst, int count);
static void step_1_continuation (struct continuation_arg *arg);
-void nexti_command (char *, int);
-
-void stepi_command (char *, int);
-
static void next_command (char *, int);
static void step_command (char *, int);
#define GO_USAGE "Usage: go <location>\n"
-static void breakpoint_auto_delete_contents (PTR);
-
#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;
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. */
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 *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
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
if (from_tty)
{
-#ifdef UI_OUT
ui_out_field_string (uiout, NULL, "Starting program");
ui_out_text (uiout, ": ");
if (exec_file)
ui_out_field_string (uiout, "execfile", exec_file);
ui_out_spaces (uiout, 1);
- ui_out_field_string (uiout, "infargs", inferior_args);
+ /* 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);
-#else
- puts_filtered ("Starting program: ");
- if (exec_file)
- puts_filtered (exec_file);
- puts_filtered (" ");
- puts_filtered (inferior_args);
- puts_filtered ("\n");
- gdb_flush (gdb_stdout);
-#endif
}
- 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));
}
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)
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)
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 */
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 (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 a non-zero value.
- 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
- and we return 1.
- 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). */
-
-int
-run_stack_dummy (CORE_ADDR addr, char *buffer)
-{
- struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0);
- int saved_async = 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 = disp_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... */
-
- if (target_can_async_p ())
- saved_async = target_async_mask (0);
-
- proceed (addr, TARGET_SIGNAL_0, 0);
-
- if (saved_async)
- target_async_mask (saved_async);
-
- enable_watchpoints_after_interactive_call_stop ();
-
- discard_cleanups (old_cleanups);
-
- /* We can stop during an inferior call because a signal is received. */
- if (stopped_by_random_signal)
- return 1;
-
- /* We may also stop prematurely because we hit a breakpoint in the
- called routine. */
- if (!stop_stack_dummy)
- return 2;
-
- /* On normal 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.
}
step_over_calls = STEP_OVER_ALL;
- step_frame_address = FRAME_FP (frame);
+ step_frame_id = get_frame_id (frame);
step_sp = read_sp ();
step_multi = 0; /* Only one call to proceed */
}
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. */
print_return_value (int structure_return, struct type *value_type)
{
struct value *value;
-#ifdef UI_OUT
static struct ui_stream *stb = NULL;
-#endif /* UI_OUT */
if (!structure_return)
{
value = value_being_returned (value_type, stop_registers, structure_return);
-#ifdef UI_OUT
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));
value_print (value, stb->stream, 0, Val_no_prettyprint);
ui_out_field_stream (uiout, "return-value", stb);
ui_out_text (uiout, "\n");
-#else /* UI_OUT */
- printf_filtered ("Value returned is $%d = ", record_latest_value (value));
- value_print (value, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
-#endif /* UI_OUT */
}
else
{
initiate the call, as opposed to the call_function_by_hand case */
#ifdef VALUE_RETURNED_FROM_STACK
value = 0;
-#ifdef UI_OUT
ui_out_text (uiout, "Value returned has type: ");
ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type));
ui_out_text (uiout, ".");
ui_out_text (uiout, " Cannot determine contents\n");
-#else /* UI_OUT */
- printf_filtered ("Value returned has type: %s.", TYPE_NAME (value_type));
- printf_filtered (" Cannot determine contents\n");
-#endif /* UI_OUT */
#else
value = value_being_returned (value_type, stop_registers, structure_return);
-#ifdef UI_OUT
stb = ui_out_stream_new (uiout);
ui_out_text (uiout, "Value returned is ");
ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value));
value_print (value, stb->stream, 0, Val_no_prettyprint);
ui_out_field_stream (uiout, "return-value", stb);
ui_out_text (uiout, "\n");
-#else
- printf_filtered ("Value returned is $%d = ", record_latest_value (value));
- value_print (value, gdb_stdout, 0, Val_no_prettyprint);
- printf_filtered ("\n");
-#endif
#endif
}
}
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 (!event_loop_p || !target_can_async_p ())
old_chain = make_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
#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. */
void
-do_registers_info (int regnum, int fpregs)
+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 = NUM_REGS + NUM_PSEUDO_REGS;
- char *raw_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
- char *virtual_buffer = (char*) alloca (MAX_REGISTER_VIRTUAL_SIZE);
+ int i;
+ const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ char raw_buffer[MAX_REGISTER_SIZE];
+ char virtual_buffer[MAX_REGISTER_SIZE];
+
+ if (DEPRECATED_DO_REGISTERS_INFO_P ())
+ {
+ DEPRECATED_DO_REGISTERS_INFO (regnum, print_all);
+ return;
+ }
for (i = 0; i < numregs; i++)
{
- /* Decide between printing all regs, nonfloat regs, or specific reg. */
+ /* 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 (")");
+ 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");
}
}
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 = NUM_REGS + NUM_PSEUDO_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 *group;
+ for (group = reggroup_next (current_gdbarch, NULL);
+ group != NULL;
+ group = reggroup_next (current_gdbarch, 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
registers_info (addr_exp, 1);
}
-void
+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
/*
/* No traps are generated when attaching to inferior under Mach 3
or GNU hurd. */
#ifndef ATTACH_NO_WAIT
- stop_soon_quietly = 1;
+ /* 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
/*
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. */
-#ifdef UI_OUT
void
-interrupt_target_command_wrapper (char *args, int from_tty)
-{
- interrupt_target_command (args, from_tty);
-}
-#endif
-static void
interrupt_target_command (char *args, int from_tty)
{
if (event_loop_p && target_can_async_p ())
/* ARGSUSED */
static void
-float_info (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 */
c = add_com ("tty", class_run, tty_command,
"Set terminal for future runs of program being debugged.");
- c->completer = filename_completer;
+ set_cmd_completer (c, filename_completer);
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);
- add_show_from_set (c, &showlist);
- c->completer = filename_completer;
+ 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);
c = add_com ("path", class_files, path_command,
"Add directory DIR(s) to beginning of search path for object files.\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.");
- c->completer = filename_completer;
+ 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.");
c = 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->completer = location_completer;
+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);
+ 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.");
- c->completer = location_completer;
+ set_cmd_completer (c, location_completer);
if (xdb_commands)
{
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.");
- c->completer = location_completer;
+ set_cmd_completer (c, location_completer);
}
if (xdb_commands)
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.");
- c->completer = filename_completer;
+ 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 ("float", float_info,
"Print the status of the floating point unit\n");
- set_inferior_args (xstrdup ("")); /* Initially no args */
+ add_info ("vector", vector_info,
+ "Print the status of the vector unit\n");
+
inferior_environ = make_environ ();
init_environ (inferior_environ);
}
projects / deliverable / binutils-gdb.git / blobdiff