/* Memory-access and commands for "inferior" process, for GDB.
- Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
#include "valprint.h"
#include "inline-frame.h"
#include "tracepoint.h"
-
-/* Functions exported for general use, in inferior.h: */
-
-void all_registers_info (char *, int);
-
-void registers_info (char *, int);
-
-void nexti_command (char *, int);
-
-void stepi_command (char *, int);
-
-void continue_command (char *, int);
-
-void interrupt_target_command (char *args, int from_tty);
+#include "inf-loop.h"
+#include "continuations.h"
+#include "linespec.h"
+#include "cli/cli-utils.h"
/* Local functions: */
static void nofp_registers_info (char *, int);
-static void print_return_value (struct type *func_type,
+static void print_return_value (struct value *function,
struct type *value_type);
static void until_next_command (int);
CORE_ADDR stop_pc;
-/* Flag indicating that a command has proceeded the inferior past the
- current breakpoint. */
-
-int breakpoint_proceeded;
-
/* Nonzero if stopped due to completion of a stack dummy routine. */
enum stop_stack_kind stop_stack_dummy;
if (STARTUP_WITH_SHELL)
{
+#ifdef __MINGW32__
+ /* This holds all the characters considered special to the
+ Windows shells. */
+ char *special = "\"!&*|[]{}<>?`~^=;, \t\n";
+ const char quote = '"';
+#else
/* 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 = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n";
+ char *special = "\"!#$&*()\\|[]{}<>?'`~^; \t\n";
+ const char quote = '\'';
+#endif
int i;
int length = 0;
char *out, *cp;
/* Need to handle empty arguments specially. */
if (argv[i][0] == '\0')
{
- *out++ = '\'';
- *out++ = '\'';
+ *out++ = quote;
+ *out++ = quote;
}
else
{
+#ifdef __MINGW32__
+ int quoted = 0;
+
+ if (strpbrk (argv[i], special))
+ {
+ quoted = 1;
+ *out++ = quote;
+ }
+#endif
for (cp = argv[i]; *cp; ++cp)
{
if (*cp == '\n')
/* A newline cannot be quoted with a backslash (it
just disappears), only by putting it inside
quotes. */
- *out++ = '\'';
+ *out++ = quote;
*out++ = '\n';
- *out++ = '\'';
+ *out++ = quote;
}
else
{
+#ifdef __MINGW32__
+ if (*cp == quote)
+#else
if (strchr (special, *cp) != NULL)
+#endif
*out++ = '\\';
*out++ = *cp;
}
}
+#ifdef __MINGW32__
+ if (quoted)
+ *out++ = quote;
+#endif
}
}
*out = '\0';
void
post_create_inferior (struct target_ops *target, int from_tty)
{
+ volatile struct gdb_exception ex;
+
/* Be sure we own the terminal in case write operations are performed. */
target_terminal_ours ();
don't need to. */
target_find_description ();
- /* Now that we know the register layout, retrieve current PC. */
- stop_pc = regcache_read_pc (get_current_regcache ());
+ /* Now that we know the register layout, retrieve current PC. But
+ if the PC is unavailable (e.g., we're opening a core file with
+ missing registers info), ignore it. */
+ stop_pc = 0;
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
+ {
+ stop_pc = regcache_read_pc (get_current_regcache ());
+ }
+ if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
+ throw_exception (ex);
if (exec_bfd)
{
+ const unsigned solib_add_generation
+ = current_program_space->solib_add_generation;
+
/* Create the hooks to handle shared library load and unload
events. */
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
- SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
-#else
solib_create_inferior_hook (from_tty);
-#endif
- }
-
- /* If the solist is global across processes, there's no need to
- refetch it here. */
- if (exec_bfd && !gdbarch_has_global_solist (target_gdbarch))
- {
- /* Sometimes the platform-specific hook loads initial shared
- libraries, and sometimes it doesn't. If it doesn't FROM_TTY will be
- incorrectly 0 but such solib targets should be fixed anyway. If we
- made all the inferior hook methods consistent, this call could be
- removed. Call it only after the solib target has been initialized by
- solib_create_inferior_hook. */
-#ifdef SOLIB_ADD
- SOLIB_ADD (NULL, 0, target, auto_solib_add);
-#else
- solib_add (NULL, 0, target, auto_solib_add);
-#endif
+ if (current_program_space->solib_add_generation == solib_add_generation)
+ {
+ /* The platform-specific hook should load initial shared libraries,
+ but didn't. FROM_TTY will be incorrectly 0 but such solib
+ targets should be fixed anyway. Call it only after the solib
+ target has been initialized by solib_create_inferior_hook. */
+
+ if (info_verbose)
+ warning (_("platform-specific solib_create_inferior_hook did "
+ "not load initial shared libraries."));
+
+ /* If the solist is global across processes, there's no need to
+ refetch it here. */
+ if (!gdbarch_has_global_solist (target_gdbarch ()))
+ solib_add (NULL, 0, target, auto_solib_add);
+ }
}
/* If the user sets watchpoints before execution having started,
char *exec_file;
struct cleanup *old_chain;
ptid_t ptid;
+ struct ui_out *uiout = current_uiout;
dont_repeat ();
/* Start the target running. Do not use -1 continuation as it would skip
breakpoint right at the entry point. */
- proceed (regcache_read_pc (get_current_regcache ()), TARGET_SIGNAL_0, 0);
+ proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0, 0);
/* Since there was no error, there's no need to finish the thread
states here. */
switch_to_thread (thread->ptid);
clear_proceed_status ();
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
return 0;
}
-void
+static void
ensure_valid_thread (void)
{
if (ptid_equal (inferior_ptid, null_ptid)
is likely to mix up recorded and live target data. So simply
disallow those commands. */
-void
+static void
ensure_not_tfind_mode (void)
{
if (get_traceframe_number () >= 0)
error (_("Cannot execute this command while looking at trace frames."));
}
+/* Throw an error indicating the current thread is running. */
+
+static void
+error_is_running (void)
+{
+ error (_("Cannot execute this command while "
+ "the selected thread is running."));
+}
+
+/* Calls error_is_running if the current thread is running. */
+
+static void
+ensure_not_running (void)
+{
+ if (is_running (inferior_ptid))
+ error_is_running ();
+}
+
void
continue_1 (int all_threads)
{
ensure_valid_thread ();
ensure_not_running ();
clear_proceed_status ();
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
}
}
/* continue [-a] [proceed-count] [&] */
-void
+static void
continue_command (char *args, int from_tty)
{
int async_exec = 0;
/* Likewise, but step only one instruction. */
-void
+static void
stepi_command (char *count_string, int from_tty)
{
step_1 (0, 1, count_string);
}
-void
+static void
nexti_command (char *count_string, int from_tty)
{
step_1 (1, 1, count_string);
{
for (; count > 0; count--)
{
- struct thread_info *tp;
-
step_once (skip_subroutines, single_inst, count, thread);
- if (target_has_execution
- && !ptid_equal (inferior_ptid, null_ptid))
- tp = inferior_thread ();
+ if (!target_has_execution)
+ break;
else
- tp = NULL;
-
- if (!tp || !tp->control.stop_step || !tp->step_multi)
{
- /* If we stopped for some reason that is not stepping
- there are no further steps to make. */
- if (tp)
- tp->step_multi = 0;
- break;
+ struct thread_info *tp = inferior_thread ();
+
+ if (!tp->control.stop_step || !tp->step_multi)
+ {
+ /* If we stopped for some reason that is not stepping
+ there are no further steps to make. */
+ tp->step_multi = 0;
+ break;
+ }
}
}
proceed(), via step_once(). Basically it is like step_once and
step_1_continuation are co-recursive. */
static void
-step_1_continuation (void *args)
+step_1_continuation (void *args, int err)
{
struct step_1_continuation_args *a = args;
struct thread_info *tp;
tp = inferior_thread ();
- if (tp->step_multi && tp->control.stop_step)
+ if (!err
+ && tp->step_multi && tp->control.stop_step)
{
/* There are more steps to make, and we did stop due to
ending a stepping range. Do another step. */
tp->step_multi = 0;
}
- /* We either stopped for some reason that is not stepping, or there
- are no further steps to make. Cleanup. */
+ /* We either hit an error, or stopped for some reason that is
+ not stepping, or there are no further steps to make.
+ Cleanup. */
if (!a->single_inst || a->skip_subroutines)
delete_longjmp_breakpoint (a->thread);
}
CORE_ADDR pc;
/* Step at an inlined function behaves like "down". */
- if (!skip_subroutines && !single_inst
+ if (!skip_subroutines
&& inline_skipped_frames (inferior_ptid))
{
+ ptid_t resume_ptid;
+
+ /* Pretend that we've ran. */
+ resume_ptid = user_visible_resume_ptid (1);
+ set_running (resume_ptid, 1);
+
step_into_inline_frame (inferior_ptid);
if (count > 1)
step_once (skip_subroutines, single_inst, count - 1, thread);
else
- /* Pretend that we've stopped. */
- normal_stop ();
+ {
+ /* Pretend that we've stopped. */
+ normal_stop ();
+
+ if (target_can_async_p ())
+ inferior_event_handler (INF_EXEC_COMPLETE, NULL);
+ }
return;
}
&tp->control.step_range_start,
&tp->control.step_range_end);
+ tp->control.may_range_step = 1;
+
/* If we have no line info, switch to stepi mode. */
if (tp->control.step_range_end == 0 && step_stop_if_no_debug)
- tp->control.step_range_start = tp->control.step_range_end = 1;
+ {
+ tp->control.step_range_start = tp->control.step_range_end = 1;
+ tp->control.may_range_step = 0;
+ }
else if (tp->control.step_range_end == 0)
{
- char *name;
+ const char *name;
if (find_pc_partial_function (pc, &name,
&tp->control.step_range_start,
tp->control.step_over_calls = STEP_OVER_ALL;
tp->step_multi = (count > 1);
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1);
/* For async targets, register a continuation to do any
additional steps. For sync targets, the caller will handle
if (!arg)
error_no_arg (_("starting address"));
- sals = decode_line_spec_1 (arg, 1);
+ sals = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE);
if (sals.nelts != 1)
{
error (_("Unreasonable jump request"));
if (sfn != NULL)
{
fixup_symbol_section (sfn, 0);
- if (section_is_overlay (SYMBOL_OBJ_SECTION (sfn)) &&
- !section_is_mapped (SYMBOL_OBJ_SECTION (sfn)))
+ if (section_is_overlay (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn)) &&
+ !section_is_mapped (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn)))
{
if (!query (_("WARNING!!! Destination is in "
"unmapped overlay! Jump anyway? ")))
}
clear_proceed_status ();
- proceed (addr, TARGET_SIGNAL_0, 0);
+ proceed (addr, GDB_SIGNAL_0, 0);
}
\f
static void
signal_command (char *signum_exp, int from_tty)
{
- enum target_signal oursig;
+ enum gdb_signal oursig;
int async_exec = 0;
dont_repeat (); /* Too dangerous. */
/* It would be even slicker to make signal names be valid expressions,
(the type could be "enum $signal" or some such), then the user could
assign them to convenience variables. */
- oursig = target_signal_from_name (signum_exp);
+ oursig = gdb_signal_from_name (signum_exp);
- if (oursig == TARGET_SIGNAL_UNKNOWN)
+ if (oursig == GDB_SIGNAL_UNKNOWN)
{
/* No, try numeric. */
int num = parse_and_eval_long (signum_exp);
if (num == 0)
- oursig = TARGET_SIGNAL_0;
+ oursig = GDB_SIGNAL_0;
else
- oursig = target_signal_from_command (num);
+ oursig = gdb_signal_from_command (num);
}
if (from_tty)
{
- if (oursig == TARGET_SIGNAL_0)
+ if (oursig == GDB_SIGNAL_0)
printf_filtered (_("Continuing with no signal.\n"));
else
printf_filtered (_("Continuing with signal %s.\n"),
- target_signal_to_name (oursig));
+ gdb_signal_to_name (oursig));
}
clear_proceed_status ();
proceed ((CORE_ADDR) -1, oursig, 0);
}
+/* Continuation args to be passed to the "until" command
+ continuation. */
+struct until_next_continuation_args
+{
+ /* The thread that was current when the command was executed. */
+ int thread;
+};
+
/* A continuation callback for until_next_command. */
static void
-until_next_continuation (void *arg)
+until_next_continuation (void *arg, int err)
{
- struct thread_info *tp = arg;
+ struct until_next_continuation_args *a = arg;
- delete_longjmp_breakpoint (tp->num);
+ delete_longjmp_breakpoint (a->thread);
}
/* Proceed until we reach a different source line with pc greater than
if (!func)
{
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc);
+ struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc);
- if (msymbol == NULL)
+ if (msymbol.minsym == NULL)
error (_("Execution is not within a known function."));
- tp->control.step_range_start = SYMBOL_VALUE_ADDRESS (msymbol);
+ tp->control.step_range_start = SYMBOL_VALUE_ADDRESS (msymbol.minsym);
tp->control.step_range_end = pc;
}
else
tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func));
tp->control.step_range_end = sal.end;
}
+ tp->control.may_range_step = 1;
tp->control.step_over_calls = STEP_OVER_ALL;
set_longjmp_breakpoint (tp, get_frame_id (frame));
old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread);
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1);
if (target_can_async_p () && is_running (inferior_ptid))
{
+ struct until_next_continuation_args *cont_args;
+
discard_cleanups (old_chain);
- add_continuation (tp, until_next_continuation, tp, NULL);
+ cont_args = XNEW (struct until_next_continuation_args);
+ cont_args->thread = inferior_thread ()->num;
+
+ add_continuation (tp, until_next_continuation, cont_args, xfree);
}
else
do_cleanups (old_chain);
until_break_command (arg, from_tty, 1);
}
\f
-/* Print the result of a function at the end of a 'finish' command. */
+/* Return the value of the result of a function at the end of a 'finish'
+ command/BP. */
-static void
-print_return_value (struct type *func_type, struct type *value_type)
+struct value *
+get_return_value (struct value *function, struct type *value_type)
{
- struct gdbarch *gdbarch = get_regcache_arch (stop_registers);
- struct cleanup *old_chain;
- struct ui_stream *stb;
+ struct regcache *stop_regs = stop_registers;
+ struct gdbarch *gdbarch;
struct value *value;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+
+ /* If stop_registers were not saved, use the current registers. */
+ if (!stop_regs)
+ {
+ stop_regs = regcache_dup (get_current_regcache ());
+ make_cleanup_regcache_xfree (stop_regs);
+ }
+
+ gdbarch = get_regcache_arch (stop_regs);
CHECK_TYPEDEF (value_type);
gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID);
/* FIXME: 2003-09-27: When returning from a nested inferior function
call, it's possible (with no help from the architecture vector)
to locate and return/print a "struct return" value. This is just
- a more complicated case of what is already being done in in the
+ a more complicated case of what is already being done in the
inferior function call code. In fact, when inferior function
calls are made async, this will likely be made the norm. */
- switch (gdbarch_return_value (gdbarch, func_type, value_type,
+ switch (gdbarch_return_value (gdbarch, function, value_type,
NULL, NULL, NULL))
{
case RETURN_VALUE_REGISTER_CONVENTION:
case RETURN_VALUE_ABI_RETURNS_ADDRESS:
case RETURN_VALUE_ABI_PRESERVES_ADDRESS:
value = allocate_value (value_type);
- gdbarch_return_value (gdbarch, func_type, value_type, stop_registers,
+ gdbarch_return_value (gdbarch, function, value_type, stop_regs,
value_contents_raw (value), NULL);
break;
case RETURN_VALUE_STRUCT_CONVENTION:
internal_error (__FILE__, __LINE__, _("bad switch"));
}
+ do_cleanups (cleanup);
+
+ return value;
+}
+
+/* Print the result of a function at the end of a 'finish' command. */
+
+static void
+print_return_value (struct value *function, struct type *value_type)
+{
+ struct value *value = get_return_value (function, value_type);
+ struct ui_out *uiout = current_uiout;
+
if (value)
{
struct value_print_options opts;
+ struct ui_file *stb;
+ struct cleanup *old_chain;
/* Print it. */
- stb = ui_out_stream_new (uiout);
- old_chain = make_cleanup_ui_out_stream_delete (stb);
+ stb = mem_fileopen ();
+ old_chain = make_cleanup_ui_file_delete (stb);
ui_out_text (uiout, "Value returned is ");
ui_out_field_fmt (uiout, "gdb-result-var", "$%d",
record_latest_value (value));
ui_out_text (uiout, " = ");
- get_raw_print_options (&opts);
- value_print (value, stb->stream, &opts);
+ get_no_prettyformat_print_options (&opts);
+ value_print (value, stb, &opts);
ui_out_field_stream (uiout, "return-value", stb);
ui_out_text (uiout, "\n");
do_cleanups (old_chain);
impossible to do all the stuff as part of the finish_command
function itself. The 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_continuation pointer. */
+ soon as it detects that the target has stopped. */
struct finish_command_continuation_args
{
+ /* The thread that as current when the command was executed. */
+ int thread;
struct breakpoint *breakpoint;
struct symbol *function;
};
static void
-finish_command_continuation (void *arg)
+finish_command_continuation (void *arg, int err)
{
struct finish_command_continuation_args *a = arg;
- struct thread_info *tp = NULL;
- bpstat bs = NULL;
-
- if (!ptid_equal (inferior_ptid, null_ptid)
- && target_has_execution
- && is_stopped (inferior_ptid))
- {
- tp = inferior_thread ();
- bs = tp->control.stop_bpstat;
- }
- if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL
- && a->function != NULL)
+ if (!err)
{
- struct type *value_type;
+ struct thread_info *tp = NULL;
+ bpstat bs = NULL;
- value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function));
- if (!value_type)
- internal_error (__FILE__, __LINE__,
- _("finish_command: function has no target type"));
+ if (!ptid_equal (inferior_ptid, null_ptid)
+ && target_has_execution
+ && is_stopped (inferior_ptid))
+ {
+ tp = inferior_thread ();
+ bs = tp->control.stop_bpstat;
+ }
- if (TYPE_CODE (value_type) != TYPE_CODE_VOID)
+ if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL
+ && a->function != NULL)
{
- volatile struct gdb_exception ex;
+ struct type *value_type;
+
+ value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function));
+ if (!value_type)
+ internal_error (__FILE__, __LINE__,
+ _("finish_command: function has no target type"));
- TRY_CATCH (ex, RETURN_MASK_ALL)
+ if (TYPE_CODE (value_type) != TYPE_CODE_VOID)
{
- /* print_return_value can throw an exception in some
- circumstances. We need to catch this so that we still
- delete the breakpoint. */
- print_return_value (SYMBOL_TYPE (a->function), value_type);
+ volatile struct gdb_exception ex;
+ struct value *func;
+
+ func = read_var_value (a->function, get_current_frame ());
+ TRY_CATCH (ex, RETURN_MASK_ALL)
+ {
+ /* print_return_value can throw an exception in some
+ circumstances. We need to catch this so that we still
+ delete the breakpoint. */
+ print_return_value (func, value_type);
+ }
+ if (ex.reason < 0)
+ exception_print (gdb_stdout, ex);
}
- if (ex.reason < 0)
- exception_print (gdb_stdout, ex);
}
+
+ /* We suppress normal call of normal_stop observer and do it
+ here so that the *stopped notification includes the return
+ value. */
+ if (bs != NULL && tp->control.proceed_to_finish)
+ observer_notify_normal_stop (bs, 1 /* print frame */);
}
- /* We suppress normal call of normal_stop observer and do it here so
- that the *stopped notification includes the return value. */
- if (bs != NULL && tp->control.proceed_to_finish)
- observer_notify_normal_stop (bs, 1 /* print frame */);
delete_breakpoint (a->breakpoint);
- delete_longjmp_breakpoint (inferior_thread ()->num);
+ delete_longjmp_breakpoint (a->thread);
}
static void
{
struct symtab_and_line sal;
struct thread_info *tp = inferior_thread ();
- struct breakpoint *breakpoint;
- struct cleanup *old_chain;
CORE_ADDR pc;
CORE_ADDR func_addr;
- int back_up;
pc = get_frame_pc (get_current_frame ());
sal = find_pc_line (func_addr, 0);
- /* We don't need a return value. */
- tp->control.proceed_to_finish = 0;
+ tp->control.proceed_to_finish = 1;
/* Special case: if we're sitting at the function entry point,
then all we need to do is take a reverse singlestep. We
don't need to set a breakpoint, and indeed it would do us
{
struct frame_info *frame = get_selected_frame (NULL);
struct gdbarch *gdbarch = get_frame_arch (frame);
+ struct symtab_and_line sr_sal;
- /* Set breakpoint and continue. */
- breakpoint =
- set_momentary_breakpoint (gdbarch, sal,
- get_stack_frame_id (frame),
- bp_breakpoint);
- /* Tell the breakpoint to keep quiet. We won't be done
- until we've done another reverse single-step. */
- make_breakpoint_silent (breakpoint);
- old_chain = make_cleanup_delete_breakpoint (breakpoint);
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
- /* We will be stopped when proceed returns. */
- back_up = (bpstat_find_breakpoint (tp->control.stop_bpstat, breakpoint)
- != NULL);
- do_cleanups (old_chain);
+ /* Set a step-resume at the function's entry point. Once that's
+ hit, we'll do one more step backwards. */
+ init_sal (&sr_sal);
+ sr_sal.pc = sal.pc;
+ sr_sal.pspace = get_frame_program_space (frame);
+ insert_step_resume_breakpoint_at_sal (gdbarch,
+ sr_sal, null_frame_id);
+
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
}
else
- back_up = 1;
- if (back_up)
{
- /* If in fact we hit the step-resume breakpoint (and not
- some other breakpoint), then we're almost there --
- we just need to back up by one more single-step. */
+ /* We're almost there -- we just need to back up by one more
+ single-step. */
tp->control.step_range_start = tp->control.step_range_end = 1;
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1);
}
- return;
}
/* finish_forward -- helper function for finish_command. */
static void
finish_forward (struct symbol *function, struct frame_info *frame)
{
+ struct frame_id frame_id = get_frame_id (frame);
struct gdbarch *gdbarch = get_frame_arch (frame);
struct symtab_and_line sal;
struct thread_info *tp = inferior_thread ();
get_stack_frame_id (frame),
bp_finish);
+ /* set_momentary_breakpoint invalidates FRAME. */
+ frame = NULL;
+
old_chain = make_cleanup_delete_breakpoint (breakpoint);
- set_longjmp_breakpoint (tp, get_frame_id (frame));
+ set_longjmp_breakpoint (tp, frame_id);
make_cleanup (delete_longjmp_breakpoint_cleanup, &thread);
/* We want stop_registers, please... */
tp->control.proceed_to_finish = 1;
cargs = xmalloc (sizeof (*cargs));
+ cargs->thread = thread;
cargs->breakpoint = breakpoint;
cargs->function = function;
add_continuation (tp, finish_command_continuation, cargs,
finish_command_continuation_free_arg);
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
discard_cleanups (old_chain);
if (!target_can_async_p ())
- do_all_continuations ();
+ do_all_continuations (0);
}
/* "finish": Set a temporary breakpoint at the place the selected
if (async_exec && !target_can_async_p ())
error (_("Asynchronous execution not supported on this target."));
- /* Don't try to async in reverse. */
- if (async_exec && execution_direction == EXEC_REVERSE)
- error (_("Asynchronous 'finish' not supported in reverse."));
-
/* If we are not asked to run in the bg, then prepare to run in the
foreground, synchronously. */
if (!async_exec && target_can_async_p ())
if (from_tty)
{
printf_filtered (_("Run till exit from "));
- print_stack_frame (get_selected_frame (NULL), 1, LOCATION);
+ print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0);
}
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1);
return;
}
+ /* Ignore TAILCALL_FRAME type frames, they were executed already before
+ entering THISFRAME. */
+ while (get_frame_type (frame) == TAILCALL_FRAME)
+ frame = get_prev_frame (frame);
+
/* Find the function we will return from. */
function = find_pc_function (get_frame_pc (get_selected_frame (NULL)));
else
printf_filtered (_("Run till exit from "));
- print_stack_frame (get_selected_frame (NULL), 1, LOCATION);
+ print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0);
}
if (execution_direction == EXEC_REVERSE)
target_files_info ();
printf_filtered (_("Program stopped at %s.\n"),
- paddress (target_gdbarch, stop_pc));
+ paddress (target_gdbarch (), stop_pc));
if (tp->control.stop_step)
printf_filtered (_("It stopped after being stepped.\n"));
else if (stat != 0)
stat = bpstat_num (&bs, &num);
}
}
- else if (tp->suspend.stop_signal != TARGET_SIGNAL_0)
+ else if (tp->suspend.stop_signal != GDB_SIGNAL_0)
{
printf_filtered (_("It stopped with signal %s, %s.\n"),
- target_signal_to_name (tp->suspend.stop_signal),
- target_signal_to_string (tp->suspend.stop_signal));
+ gdb_signal_to_name (tp->suspend.stop_signal),
+ gdb_signal_to_string (tp->suspend.stop_signal));
}
if (!from_tty)
}
\f
+/* Print out the register NAME with value VAL, to FILE, in the default
+ fashion. */
+
+static void
+default_print_one_register_info (struct ui_file *file,
+ const char *name,
+ struct value *val)
+{
+ struct type *regtype = value_type (val);
+
+ fputs_filtered (name, file);
+ print_spaces_filtered (15 - strlen (name), file);
+
+ if (!value_entirely_available (val))
+ {
+ fprintf_filtered (file, "*value not available*\n");
+ return;
+ }
+ else if (value_optimized_out (val))
+ {
+ val_print_optimized_out (file);
+ fprintf_filtered (file, "\n");
+ return;
+ }
+
+ /* If virtual format is floating, print it that way, and in raw
+ hex. */
+ if (TYPE_CODE (regtype) == TYPE_CODE_FLT
+ || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT)
+ {
+ int j;
+ struct value_print_options opts;
+ const gdb_byte *valaddr = value_contents_for_printing (val);
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype));
+
+ get_user_print_options (&opts);
+ opts.deref_ref = 1;
+
+ val_print (regtype,
+ value_contents_for_printing (val),
+ value_embedded_offset (val), 0,
+ file, 0, val, &opts, current_language);
+
+ fprintf_filtered (file, "\t(raw ");
+ print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order);
+ fprintf_filtered (file, ")");
+ }
+ else
+ {
+ struct value_print_options opts;
+
+ /* Print the register in hex. */
+ get_formatted_print_options (&opts, 'x');
+ opts.deref_ref = 1;
+ val_print (regtype,
+ value_contents_for_printing (val),
+ value_embedded_offset (val), 0,
+ file, 0, val, &opts, current_language);
+ /* If not a vector register, print it also according to its
+ natural format. */
+ if (TYPE_VECTOR (regtype) == 0)
+ {
+ get_user_print_options (&opts);
+ opts.deref_ref = 1;
+ fprintf_filtered (file, "\t");
+ val_print (regtype,
+ value_contents_for_printing (val),
+ value_embedded_offset (val), 0,
+ file, 0, val, &opts, current_language);
+ }
+ }
+
+ fprintf_filtered (file, "\n");
+}
+
/* 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 (i = 0; i < numregs; i++)
{
- struct type *regtype;
- struct value *val;
-
/* Decide between printing all regs, non-float / vector regs, or
specific reg. */
if (regnum == -1)
|| *(gdbarch_register_name (gdbarch, i)) == '\0')
continue;
- fputs_filtered (gdbarch_register_name (gdbarch, i), file);
- print_spaces_filtered (15 - strlen (gdbarch_register_name
- (gdbarch, i)), file);
-
- regtype = register_type (gdbarch, i);
- val = allocate_value (regtype);
-
- /* Get the data in raw format. */
- if (! frame_register_read (frame, i, value_contents_raw (val)))
- {
- fprintf_filtered (file, "*value not available*\n");
- continue;
- }
-
- /* If virtual format is floating, print it that way, and in raw
- hex. */
- if (TYPE_CODE (regtype) == TYPE_CODE_FLT
- || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT)
- {
- int j;
- struct value_print_options opts;
- const gdb_byte *valaddr = value_contents_for_printing (val);
-
- get_user_print_options (&opts);
- opts.deref_ref = 1;
-
- val_print (regtype,
- value_contents_for_printing (val),
- value_embedded_offset (val), 0,
- file, 0, val, &opts, current_language);
-
- fprintf_filtered (file, "\t(raw 0x");
- for (j = 0; j < register_size (gdbarch, i); j++)
- {
- int idx;
-
- if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
- idx = j;
- else
- idx = register_size (gdbarch, i) - 1 - j;
- fprintf_filtered (file, "%02x", (unsigned char) valaddr[idx]);
- }
- fprintf_filtered (file, ")");
- }
- else
- {
- struct value_print_options opts;
-
- /* Print the register in hex. */
- get_formatted_print_options (&opts, 'x');
- opts.deref_ref = 1;
- val_print (regtype,
- value_contents_for_printing (val),
- value_embedded_offset (val), 0,
- file, 0, val, &opts, current_language);
- /* If not a vector register, print it also according to its
- natural format. */
- if (TYPE_VECTOR (regtype) == 0)
- {
- get_user_print_options (&opts);
- opts.deref_ref = 1;
- fprintf_filtered (file, "\t");
- val_print (regtype,
- value_contents_for_printing (val),
- value_embedded_offset (val), 0,
- file, 0, val, &opts, current_language);
- }
- }
-
- fprintf_filtered (file, "\n");
+ default_print_one_register_info (file,
+ gdbarch_register_name (gdbarch, i),
+ get_frame_register_value (frame, i));
}
}
char *start;
const char *end;
- /* Keep skipping leading white space. */
- if (isspace ((*addr_exp)))
- {
- addr_exp++;
- continue;
- }
+ /* Skip leading white space. */
+ addr_exp = skip_spaces (addr_exp);
/* Discard any leading ``$''. Check that there is something
resembling a register following it. */
if (regnum >= gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch))
{
- struct value_print_options opts;
- struct value *val = value_of_user_reg (regnum, frame);
-
- printf_filtered ("%s: ", start);
- get_formatted_print_options (&opts, 'x');
- val_print_scalar_formatted (check_typedef (value_type (val)),
- value_contents_for_printing (val),
- value_embedded_offset (val),
- val,
- &opts, 0, gdb_stdout);
- printf_filtered ("\n");
+ struct value *regval = value_of_user_reg (regnum, frame);
+ const char *regname = user_reg_map_regnum_to_name (gdbarch,
+ regnum);
+
+ /* Print in the same fashion
+ gdbarch_print_registers_info's default
+ implementation prints. */
+ default_print_one_register_info (gdb_stdout,
+ regname,
+ regval);
}
else
gdbarch_print_registers_info (gdbarch, gdb_stdout,
}
}
-void
+static void
all_registers_info (char *addr_exp, int from_tty)
{
registers_info (addr_exp, 1);
if (target_has_stack)
{
printf_filtered (_("In %s,\n"), target_longname);
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
}
bfd_cache_close_all ();
/* Used in `attach&' command. ARG is a point to an integer
representing a process id. Proceed threads of this process iff
they stopped due to debugger request, and when they did, they
- reported a clean stop (TARGET_SIGNAL_0). Do not proceed threads
+ reported a clean stop (GDB_SIGNAL_0). Do not proceed threads
that have been explicitly been told to stop. */
static int
&& !is_exited (thread->ptid)
&& !is_executing (thread->ptid)
&& !thread->stop_requested
- && thread->suspend.stop_signal == TARGET_SIGNAL_0)
+ && thread->suspend.stop_signal == GDB_SIGNAL_0)
{
switch_to_thread (thread->ptid);
clear_proceed_status ();
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
}
return 0;
exec_file = (char *) get_exec_file (0);
if (!exec_file)
{
- exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid));
+ exec_file = target_pid_to_exec_file (ptid_get_pid (inferior_ptid));
if (exec_file)
{
/* It's possible we don't have a full path, but rather just a
}
/* Take any necessary post-attaching actions for this platform. */
- target_post_attach (PIDGET (inferior_ptid));
+ target_post_attach (ptid_get_pid (inferior_ptid));
post_create_inferior (¤t_target, from_tty);
proceed_after_attach (inferior->pid);
else
{
- if (inferior_thread ()->suspend.stop_signal == TARGET_SIGNAL_0)
+ if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0)
{
clear_proceed_status ();
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0);
}
}
}
};
static void
-attach_command_continuation (void *args)
+attach_command_continuation (void *args, int err)
{
struct attach_command_continuation_args *a = args;
+ if (err)
+ return;
+
attach_command_post_wait (a->args, a->from_tty, a->async_exec);
}
dont_repeat (); /* Not for the faint of heart */
- if (gdbarch_has_global_solist (target_gdbarch))
+ if (gdbarch_has_global_solist (target_gdbarch ()))
/* Don't complain if all processes share the same symbol
space. */
;
return;
}
- wait_for_inferior (0);
+ wait_for_inferior ();
}
attach_command_post_wait (args, from_tty, async_exec);
/* If in non-stop, leave threads as running as they were. If
they're stopped for some reason other than us telling it to, the
- target reports a signal != TARGET_SIGNAL_0. We don't try to
+ target reports a signal != GDB_SIGNAL_0. We don't try to
resume threads with such a stop signal. */
async_exec = non_stop;
return;
}
else
- wait_for_inferior (0);
+ wait_for_inferior ();
}
async_exec = leave_running;
if (ptid_equal (inferior_ptid, null_ptid))
error (_("The program is not being run."));
- disconnect_tracing (from_tty);
+ query_if_trace_running (from_tty);
+
+ disconnect_tracing ();
target_detach (args, from_tty);
/* If the solist is global across inferiors, don't clear it when we
detach from a single inferior. */
- if (!gdbarch_has_global_solist (target_gdbarch))
+ if (!gdbarch_has_global_solist (target_gdbarch ()))
no_shared_libraries (NULL, from_tty);
/* If we still have inferiors to debug, then don't mess with their
disconnect_command (char *args, int from_tty)
{
dont_repeat (); /* Not for the faint of heart. */
+ query_if_trace_running (from_tty);
+ disconnect_tracing ();
target_disconnect (args, from_tty);
no_shared_libraries (NULL, from_tty);
init_thread_list ();
if the `-a' switch is used. */
/* interrupt [-a] */
-void
+static void
interrupt_target_command (char *args, int from_tty)
{
if (target_can_async_p ())
help_list (unsetlist, "unset ", -1, gdb_stdout);
}
+/* Implement `info proc' family of commands. */
+
+static void
+info_proc_cmd_1 (char *args, enum info_proc_what what, int from_tty)
+{
+ struct gdbarch *gdbarch = get_current_arch ();
+
+ if (!target_info_proc (args, what))
+ {
+ if (gdbarch_info_proc_p (gdbarch))
+ gdbarch_info_proc (gdbarch, args, what);
+ else
+ error (_("Not supported on this target."));
+ }
+}
+
+/* Implement `info proc' when given without any futher parameters. */
+
+static void
+info_proc_cmd (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_MINIMAL, from_tty);
+}
+
+/* Implement `info proc mappings'. */
+
+static void
+info_proc_cmd_mappings (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_MAPPINGS, from_tty);
+}
+
+/* Implement `info proc stat'. */
+
+static void
+info_proc_cmd_stat (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_STAT, from_tty);
+}
+
+/* Implement `info proc status'. */
+
+static void
+info_proc_cmd_status (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_STATUS, from_tty);
+}
+
+/* Implement `info proc cwd'. */
+
+static void
+info_proc_cmd_cwd (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_CWD, from_tty);
+}
+
+/* Implement `info proc cmdline'. */
+
+static void
+info_proc_cmd_cmdline (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_CMDLINE, from_tty);
+}
+
+/* Implement `info proc exe'. */
+
+static void
+info_proc_cmd_exe (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_EXE, from_tty);
+}
+
+/* Implement `info proc all'. */
+
+static void
+info_proc_cmd_all (char *args, int from_tty)
+{
+ info_proc_cmd_1 (args, IP_ALL, from_tty);
+}
+
void
_initialize_infcmd (void)
{
+ static struct cmd_list_element *info_proc_cmdlist;
struct cmd_list_element *c = NULL;
+ const char *cmd_name;
/* Add the filename of the terminal connected to inferior I/O. */
add_setshow_filename_cmd ("inferior-tty", class_run,
&setlist, &showlist);
add_com_alias ("tty", "set inferior-tty", class_alias, 0);
- add_setshow_optional_filename_cmd ("args", class_run,
- &inferior_args_scratch, _("\
+ cmd_name = "args";
+ add_setshow_string_noescape_cmd (cmd_name, class_run,
+ &inferior_args_scratch, _("\
Set argument list to give program being debugged when it is started."), _("\
Show argument list to give program being debugged when it is started."), _("\
Follow this command with any number of args, to be passed to the program."),
- set_args_command,
- show_args_command,
- &setlist, &showlist);
+ set_args_command,
+ show_args_command,
+ &setlist, &showlist);
+ c = lookup_cmd (&cmd_name, setlist, "", -1, 1);
+ gdb_assert (c != NULL);
+ set_cmd_completer (c, filename_completer);
c = add_cmd ("environment", no_class, environment_info, _("\
The environment to give the program, or one variable's value.\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 ("signal", class_run, signal_command, _("\
+Continue program with the specified signal.\n\
+Usage: signal SIGNAL\n\
+The SIGNAL argument is processed the same as the handle command.\n\
+\n\
+An argument of \"0\" means continue the program without sending it a signal.\n\
+This is useful in cases where the program stopped because of a signal,\n\
+and you want to resume the program while discarding the signal."));
+ set_cmd_completer (c, signal_completer);
add_com ("stepi", class_run, stepi_command, _("\
Step one instruction exactly.\n\
-Argument N means do this N times (or till program stops for another \
+Usage: stepi [N]\n\
+Argument N means step N times (or till program stops for another \
reason)."));
add_com_alias ("si", "stepi", class_alias, 0);
add_com ("nexti", class_run, nexti_command, _("\
Step one instruction, but proceed through subroutine calls.\n\
-Argument N means do this N times (or till program stops for another \
+Usage: nexti [N]\n\
+Argument N means step N times (or till program stops for another \
reason)."));
add_com_alias ("ni", "nexti", class_alias, 0);
add_com ("finish", class_run, finish_command, _("\
Execute until selected stack frame returns.\n\
+Usage: finish\n\
Upon return, the value returned is printed and put in the value history."));
add_com_alias ("fin", "finish", class_run, 1);
add_com ("next", class_run, next_command, _("\
Step program, proceeding through subroutine calls.\n\
-Like the \"step\" command as long as subroutine calls do not happen;\n\
-when they do, the call is treated as one instruction.\n\
-Argument N means do this N times (or till program stops for another \
-reason)."));
+Usage: next [N]\n\
+Unlike \"step\", if the current source line calls a subroutine,\n\
+this command does not enter the subroutine, but instead steps over\n\
+the call, in effect treating it as a single source line."));
add_com_alias ("n", "next", class_run, 1);
if (xdb_commands)
add_com_alias ("S", "next", class_run, 1);
add_com ("step", class_run, step_command, _("\
Step program until it reaches a different source line.\n\
-Argument N means do this N times (or till program stops for another \
+Usage: step [N]\n\
+Argument N means step N times (or till program stops for another \
reason)."));
add_com_alias ("s", "step", class_run, 1);
c = add_com ("jump", class_run, jump_command, _("\
Continue program being debugged at specified line or address.\n\
+Usage: jump <location>\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);
+ add_com_alias ("j", "jump", class_run, 1);
if (xdb_commands)
{
if (xdb_commands)
add_com_alias ("g", "go", class_run, 1);
- c = add_com ("continue", class_run, continue_command, _("\
+ add_com ("continue", class_run, continue_command, _("\
Continue program being debugged, after signal or breakpoint.\n\
+Usage: continue [N]\n\
If proceeding from breakpoint, a number N may be used as an argument,\n\
which means to set the ignore count of that breakpoint to N - 1 (so that\n\
the breakpoint won't break until the Nth time it is reached).\n\
\"run\" command."));
set_cmd_completer (c, filename_completer);
- c = add_com ("interrupt", class_run, interrupt_target_command,
- _("Interrupt the execution of the debugged program.\n\
+ add_com ("interrupt", class_run, interrupt_target_command,
+ _("Interrupt the execution of the debugged program.\n\
If non-stop mode is enabled, interrupt only the current thread,\n\
otherwise all the threads in the program are stopped. To \n\
interrupt all running threads in non-stop mode, use the -a option."));
add_info ("vector", vector_info,
_("Print the status of the vector unit\n"));
+
+ add_prefix_cmd ("proc", class_info, info_proc_cmd,
+ _("\
+Show /proc process information about any running process.\n\
+Specify any process id, or use the program being debugged by default."),
+ &info_proc_cmdlist, "info proc ",
+ 1/*allow-unknown*/, &infolist);
+
+ add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\
+List of mapped memory regions."),
+ &info_proc_cmdlist);
+
+ add_cmd ("stat", class_info, info_proc_cmd_stat, _("\
+List process info from /proc/PID/stat."),
+ &info_proc_cmdlist);
+
+ add_cmd ("status", class_info, info_proc_cmd_status, _("\
+List process info from /proc/PID/status."),
+ &info_proc_cmdlist);
+
+ add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\
+List current working directory of the process."),
+ &info_proc_cmdlist);
+
+ add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\
+List command line arguments of the process."),
+ &info_proc_cmdlist);
+
+ add_cmd ("exe", class_info, info_proc_cmd_exe, _("\
+List absolute filename for executable of the process."),
+ &info_proc_cmdlist);
+
+ add_cmd ("all", class_info, info_proc_cmd_all, _("\
+List all available /proc info."),
+ &info_proc_cmdlist);
}
projects / deliverable / binutils-gdb.git / blobdiff