/* Print and select stack frames for GDB, the GNU debugger.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "safe-ctype.h"
#include "symfile.h"
#include "extension.h"
+#include "observer.h"
/* The possible choices of "set print frame-arguments", and the value
of this setting. */
return get_frame_pc (frame) != sal.pc;
}
+/* See frame.h. */
+
+void
+print_stack_frame_to_uiout (struct ui_out *uiout, struct frame_info *frame,
+ int print_level, enum print_what print_what,
+ int set_current_sal)
+{
+ scoped_restore save_uiout = make_scoped_restore (¤t_uiout, uiout);
+
+ print_stack_frame (frame, print_level, print_what, set_current_sal);
+}
+
/* Show or print a stack frame FRAME briefly. The output is formatted
according to PRINT_LEVEL and PRINT_WHAT printing the frame's
relative level, function name, argument list, and file name and
{
/* For mi, alway print location and address. */
- if (ui_out_is_mi_like_p (current_uiout))
+ if (current_uiout->is_mi_like_p ())
print_what = LOC_AND_ADDRESS;
TRY
print_frame_arg (const struct frame_arg *arg)
{
struct ui_out *uiout = current_uiout;
- struct cleanup *old_chain;
- struct ui_file *stb;
const char *error_message = NULL;
- stb = mem_fileopen ();
- old_chain = make_cleanup_ui_file_delete (stb);
+ string_file stb;
gdb_assert (!arg->val || !arg->error);
gdb_assert (arg->entry_kind == print_entry_values_no
|| arg->entry_kind == print_entry_values_only
- || (!ui_out_is_mi_like_p (uiout)
+ || (!uiout->is_mi_like_p ()
&& arg->entry_kind == print_entry_values_compact));
- annotate_arg_begin ();
-
- make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
- fprintf_symbol_filtered (stb, SYMBOL_PRINT_NAME (arg->sym),
+ annotate_arg_emitter arg_emitter;
+ ui_out_emit_tuple tuple_emitter (uiout, NULL);
+ fprintf_symbol_filtered (&stb, SYMBOL_PRINT_NAME (arg->sym),
SYMBOL_LANGUAGE (arg->sym), DMGL_PARAMS | DMGL_ANSI);
if (arg->entry_kind == print_entry_values_compact)
{
/* It is OK to provide invalid MI-like stream as with
PRINT_ENTRY_VALUE_COMPACT we never use MI. */
- fputs_filtered ("=", stb);
+ stb.puts ("=");
- fprintf_symbol_filtered (stb, SYMBOL_PRINT_NAME (arg->sym),
+ fprintf_symbol_filtered (&stb, SYMBOL_PRINT_NAME (arg->sym),
SYMBOL_LANGUAGE (arg->sym),
DMGL_PARAMS | DMGL_ANSI);
}
if (arg->entry_kind == print_entry_values_only
|| arg->entry_kind == print_entry_values_compact)
- fputs_filtered ("@entry", stb);
- ui_out_field_stream (uiout, "name", stb);
+ stb.puts ("@entry");
+ uiout->field_stream ("name", stb);
annotate_arg_name_end ();
- ui_out_text (uiout, "=");
+ uiout->text ("=");
if (!arg->val && !arg->error)
- ui_out_text (uiout, "...");
+ uiout->text ("...");
else
{
if (arg->error)
/* True in "summary" mode, false otherwise. */
opts.summary = !strcmp (print_frame_arguments, "scalars");
- common_val_print (arg->val, stb, 2, &opts, language);
+ common_val_print (arg->val, &stb, 2, &opts, language);
}
CATCH (except, RETURN_MASK_ERROR)
{
END_CATCH
}
if (error_message != NULL)
- fprintf_filtered (stb, _("<error reading variable: %s>"),
- error_message);
+ stb.printf (_("<error reading variable: %s>"), error_message);
}
- ui_out_field_stream (uiout, "value", stb);
-
- /* Also invoke ui_out_tuple_end. */
- do_cleanups (old_chain);
-
- annotate_arg_end ();
+ uiout->field_stream ("value", stb);
}
/* Read in inferior function local SYM at FRAME into ARGP. Caller is
{
/* For MI do not try to use print_entry_values_compact for ARGP. */
- if (val && entryval && !ui_out_is_mi_like_p (current_uiout))
+ if (val && entryval && !current_uiout->is_mi_like_p ())
{
struct type *type = value_type (val);
/* Initialize it just to avoid a GCC false warning. */
struct value *val_deref = NULL, *entryval_deref;
- /* DW_AT_GNU_call_site_value does match with the current
+ /* DW_AT_call_value does match with the current
value. If it is a reference still try to verify if
- dereferenced DW_AT_GNU_call_site_data_value does not
- differ. */
+ dereferenced DW_AT_call_data_value does not differ. */
TRY
{
|| print_entry_values == print_entry_values_default) && val_equal)
{
argp->entry_kind = print_entry_values_compact;
- gdb_assert (!ui_out_is_mi_like_p (current_uiout));
+ gdb_assert (!current_uiout->is_mi_like_p ());
}
else
argp->entry_kind = print_entry_values_no;
long highest_offset = -1;
/* Number of ints of arguments that we have printed so far. */
int args_printed = 0;
- struct cleanup *old_chain;
- struct ui_file *stb;
/* True if we should print arguments, false otherwise. */
int print_args = strcmp (print_frame_arguments, "none");
- stb = mem_fileopen ();
- old_chain = make_cleanup_ui_file_delete (stb);
-
if (func)
{
const struct block *b = SYMBOL_BLOCK_VALUE (func);
/* Print the current arg. */
if (!first)
- ui_out_text (uiout, ", ");
- ui_out_wrap_hint (uiout, " ");
+ uiout->text (", ");
+ uiout->wrap_hint (" ");
if (!print_args)
{
{
if (arg.entry_kind != print_entry_values_only)
{
- ui_out_text (uiout, ", ");
- ui_out_wrap_hint (uiout, " ");
+ uiout->text (", ");
+ uiout->wrap_hint (" ");
}
print_frame_arg (&entryarg);
print_frame_nameless_args (frame, start, num - args_printed,
first, stream);
}
-
- do_cleanups (old_chain);
}
/* Set the current source and line to the location given by frame
TRY
{
- gdb_disassembly (gdbarch, current_uiout, 0,
+ gdb_disassembly (gdbarch, current_uiout,
DISASSEMBLY_RAW_INSN, how_many,
low, high);
}
|| get_frame_type (frame) == SIGTRAMP_FRAME
|| get_frame_type (frame) == ARCH_FRAME)
{
- struct cleanup *uiout_cleanup
- = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
+ ui_out_emit_tuple tuple_emitter (uiout, "frame");
annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
gdbarch, get_frame_pc (frame));
to list for this frame. */
if (print_level)
{
- ui_out_text (uiout, "#");
- ui_out_field_fmt_int (uiout, 2, ui_left, "level",
+ uiout->text ("#");
+ uiout->field_fmt_int (2, ui_left, "level",
frame_relative_level (frame));
}
- if (ui_out_is_mi_like_p (uiout))
+ if (uiout->is_mi_like_p ())
{
annotate_frame_address ();
- ui_out_field_core_addr (uiout, "addr",
+ uiout->field_core_addr ("addr",
gdbarch, get_frame_pc (frame));
annotate_frame_address_end ();
}
if (get_frame_type (frame) == DUMMY_FRAME)
{
annotate_function_call ();
- ui_out_field_string (uiout, "func", "<function called from gdb>");
+ uiout->field_string ("func", "<function called from gdb>");
}
else if (get_frame_type (frame) == SIGTRAMP_FRAME)
{
annotate_signal_handler_caller ();
- ui_out_field_string (uiout, "func", "<signal handler called>");
+ uiout->field_string ("func", "<signal handler called>");
}
else if (get_frame_type (frame) == ARCH_FRAME)
{
- ui_out_field_string (uiout, "func", "<cross-architecture call>");
+ uiout->field_string ("func", "<cross-architecture call>");
}
- ui_out_text (uiout, "\n");
+ uiout->text ("\n");
annotate_frame_end ();
/* If disassemble-next-line is set to auto or on output the next
do_gdb_disassembly (get_frame_arch (frame), 1,
get_frame_pc (frame), get_frame_pc (frame) + 1);
- do_cleanups (uiout_cleanup);
return;
}
ability to decide for themselves if it is desired. */
if (opts.addressprint && mid_statement)
{
- ui_out_field_core_addr (uiout, "addr",
+ uiout->field_core_addr ("addr",
gdbarch, get_frame_pc (frame));
- ui_out_text (uiout, "\t");
+ uiout->text ("\t");
}
print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
struct ui_out *uiout = current_uiout;
char *funname = NULL;
enum language funlang = language_unknown;
- struct ui_file *stb;
struct cleanup *old_chain, *list_chain;
struct value_print_options opts;
struct symbol *func;
pc_p = get_frame_pc_if_available (frame, &pc);
- stb = mem_fileopen ();
- old_chain = make_cleanup_ui_file_delete (stb);
find_frame_funname (frame, &funname, &funlang, &func);
- make_cleanup (xfree, funname);
+ old_chain = make_cleanup (xfree, funname);
annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
gdbarch, pc);
if (print_level)
{
- ui_out_text (uiout, "#");
- ui_out_field_fmt_int (uiout, 2, ui_left, "level",
+ uiout->text ("#");
+ uiout->field_fmt_int (2, ui_left, "level",
frame_relative_level (frame));
}
get_user_print_options (&opts);
{
annotate_frame_address ();
if (pc_p)
- ui_out_field_core_addr (uiout, "addr", gdbarch, pc);
+ uiout->field_core_addr ("addr", gdbarch, pc);
else
- ui_out_field_string (uiout, "addr", "<unavailable>");
+ uiout->field_string ("addr", "<unavailable>");
annotate_frame_address_end ();
- ui_out_text (uiout, " in ");
+ uiout->text (" in ");
}
annotate_frame_function_name ();
- fprintf_symbol_filtered (stb, funname ? funname : "??",
+
+ string_file stb;
+ fprintf_symbol_filtered (&stb, funname ? funname : "??",
funlang, DMGL_ANSI);
- ui_out_field_stream (uiout, "func", stb);
- ui_out_wrap_hint (uiout, " ");
+ uiout->field_stream ("func", stb);
+ uiout->wrap_hint (" ");
annotate_frame_args ();
- ui_out_text (uiout, " (");
+ uiout->text (" (");
if (print_args)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
int numargs;
- struct cleanup *args_list_chain;
if (gdbarch_frame_num_args_p (gdbarch))
{
else
numargs = -1;
- args_list_chain = make_cleanup_ui_out_list_begin_end (uiout, "args");
- TRY
- {
- print_frame_args (func, frame, numargs, gdb_stdout);
- }
- CATCH (e, RETURN_MASK_ERROR)
- {
- }
- END_CATCH
+ {
+ ui_out_emit_list list_emitter (uiout, "args");
+ TRY
+ {
+ print_frame_args (func, frame, numargs, gdb_stdout);
+ }
+ CATCH (e, RETURN_MASK_ERROR)
+ {
+ }
+ END_CATCH
- /* FIXME: ARGS must be a list. If one argument is a string it
- will have " that will not be properly escaped. */
- /* Invoke ui_out_tuple_end. */
- do_cleanups (args_list_chain);
+ /* FIXME: ARGS must be a list. If one argument is a string it
+ will have " that will not be properly escaped. */
+ }
QUIT;
}
- ui_out_text (uiout, ")");
+ uiout->text (")");
if (sal.symtab)
{
const char *filename_display;
filename_display = symtab_to_filename_for_display (sal.symtab);
annotate_frame_source_begin ();
- ui_out_wrap_hint (uiout, " ");
- ui_out_text (uiout, " at ");
+ uiout->wrap_hint (" ");
+ uiout->text (" at ");
annotate_frame_source_file ();
- ui_out_field_string (uiout, "file", filename_display);
- if (ui_out_is_mi_like_p (uiout))
+ uiout->field_string ("file", filename_display);
+ if (uiout->is_mi_like_p ())
{
const char *fullname = symtab_to_fullname (sal.symtab);
- ui_out_field_string (uiout, "fullname", fullname);
+ uiout->field_string ("fullname", fullname);
}
annotate_frame_source_file_end ();
- ui_out_text (uiout, ":");
+ uiout->text (":");
annotate_frame_source_line ();
- ui_out_field_int (uiout, "line", sal.line);
+ uiout->field_int ("line", sal.line);
annotate_frame_source_end ();
}
if (lib)
{
annotate_frame_where ();
- ui_out_wrap_hint (uiout, " ");
- ui_out_text (uiout, " from ");
- ui_out_field_string (uiout, "from", lib);
+ uiout->wrap_hint (" ");
+ uiout->text (" from ");
+ uiout->field_string ("from", lib);
}
}
/* do_cleanups will call ui_out_tuple_end() for us. */
do_cleanups (list_chain);
- ui_out_text (uiout, "\n");
+ uiout->text ("\n");
do_cleanups (old_chain);
}
\f
/* Read a frame specification in whatever the appropriate format is from
FRAME_EXP. Call error() if the specification is in any way invalid (so
- this function never returns NULL). When SEPECTED_P is non-NULL set its
- target to indicate that the default selected frame was used. */
+ this function never returns NULL). When SELECTED_FRAME_P is non-NULL
+ set its target to indicate that the default selected frame was used. */
static struct frame_info *
parse_frame_specification (const char *frame_exp, int *selected_frame_p)
printf_filtered ("saved %s = ", pc_regname);
if (!frame_id_p (frame_unwind_caller_id (fi)))
- val_print_unavailable (gdb_stdout);
+ val_print_not_saved (gdb_stdout);
else
{
TRY
/* Print as much information as possible on the location of all the
registers. */
{
- enum lval_type lval;
- int optimized;
- int unavailable;
- CORE_ADDR addr;
- int realnum;
int count;
int i;
int need_nl = 1;
+ int sp_regnum = gdbarch_sp_regnum (gdbarch);
/* The sp is special; what's displayed isn't the save address, but
the value of the previous frame's sp. This is a legacy thing,
at one stage the frame cached the previous frame's SP instead
of its address, hence it was easiest to just display the cached
value. */
- if (gdbarch_sp_regnum (gdbarch) >= 0)
+ if (sp_regnum >= 0)
{
- /* Find out the location of the saved stack pointer with out
- actually evaluating it. */
- frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
- &optimized, &unavailable, &lval, &addr,
- &realnum, NULL);
- if (!optimized && !unavailable && lval == not_lval)
- {
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int sp_size = register_size (gdbarch, gdbarch_sp_regnum (gdbarch));
- gdb_byte value[MAX_REGISTER_SIZE];
- CORE_ADDR sp;
-
- frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
- &optimized, &unavailable, &lval, &addr,
- &realnum, value);
- /* NOTE: cagney/2003-05-22: This is assuming that the
- stack pointer was packed as an unsigned integer. That
- may or may not be valid. */
- sp = extract_unsigned_integer (value, sp_size, byte_order);
- printf_filtered (" Previous frame's sp is ");
- fputs_filtered (paddress (gdbarch, sp), gdb_stdout);
- printf_filtered ("\n");
- need_nl = 0;
- }
- else if (!optimized && !unavailable && lval == lval_memory)
- {
- printf_filtered (" Previous frame's sp at ");
- fputs_filtered (paddress (gdbarch, addr), gdb_stdout);
- printf_filtered ("\n");
- need_nl = 0;
- }
- else if (!optimized && !unavailable && lval == lval_register)
+ struct value *value = frame_unwind_register_value (fi, sp_regnum);
+ gdb_assert (value != NULL);
+
+ if (!value_optimized_out (value) && value_entirely_available (value))
{
- printf_filtered (" Previous frame's sp in %s\n",
- gdbarch_register_name (gdbarch, realnum));
+ if (VALUE_LVAL (value) == not_lval)
+ {
+ CORE_ADDR sp;
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ int sp_size = register_size (gdbarch, sp_regnum);
+
+ sp = extract_unsigned_integer (value_contents_all (value),
+ sp_size, byte_order);
+
+ printf_filtered (" Previous frame's sp is ");
+ fputs_filtered (paddress (gdbarch, sp), gdb_stdout);
+ printf_filtered ("\n");
+ }
+ else if (VALUE_LVAL (value) == lval_memory)
+ {
+ printf_filtered (" Previous frame's sp at ");
+ fputs_filtered (paddress (gdbarch, value_address (value)),
+ gdb_stdout);
+ printf_filtered ("\n");
+ }
+ else if (VALUE_LVAL (value) == lval_register)
+ {
+ printf_filtered (" Previous frame's sp in %s\n",
+ gdbarch_register_name (gdbarch,
+ VALUE_REGNUM (value)));
+ }
+
+ release_value (value);
+ value_free (value);
need_nl = 0;
}
/* else keep quiet. */
numregs = gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch);
for (i = 0; i < numregs; i++)
- if (i != gdbarch_sp_regnum (gdbarch)
+ if (i != sp_regnum
&& gdbarch_register_reggroup_p (gdbarch, i, all_reggroup))
{
+ enum lval_type lval;
+ int optimized;
+ int unavailable;
+ CORE_ADDR addr;
+ int realnum;
+
/* Find out the location of the saved register without
fetching the corresponding value. */
frame_register_unwind (fi, i, &optimized, &unavailable,
char **argv;
int i;
- argv = gdb_buildargv (arg);
- make_cleanup_freeargv (argv);
+ gdb_argv built_argv (arg);
+ argv = built_argv.get ();
argc = 0;
for (i = 0; argv[i]; i++)
{
void
select_frame_command (char *level_exp, int from_tty)
{
+ struct frame_info *prev_frame = get_selected_frame_if_set ();
+
select_frame (parse_frame_specification (level_exp, NULL));
+ if (get_selected_frame_if_set () != prev_frame)
+ observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
}
/* The "frame" command. With no argument, print the selected frame
static void
frame_command (char *level_exp, int from_tty)
{
- select_frame_command (level_exp, from_tty);
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+ struct frame_info *prev_frame = get_selected_frame_if_set ();
+
+ select_frame (parse_frame_specification (level_exp, NULL));
+ if (get_selected_frame_if_set () != prev_frame)
+ observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
+ else
+ print_selected_thread_frame (current_uiout, USER_SELECTED_FRAME);
}
/* Select the frame up one or COUNT_EXP stack levels from the
up_command (char *count_exp, int from_tty)
{
up_silently_base (count_exp);
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+ observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
}
/* Select the frame down one or COUNT_EXP stack levels from the previously
down_command (char *count_exp, int from_tty)
{
down_silently_base (count_exp);
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+ observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
}
-\f
void
return_command (char *retval_exp, int from_tty)
message. */
if (retval_exp)
{
- struct expression *retval_expr = parse_expression (retval_exp);
- struct cleanup *old_chain = make_cleanup (xfree, retval_expr);
+ expression_up retval_expr = parse_expression (retval_exp);
struct type *return_type = NULL;
/* Compute the return value. Should the computation fail, this
call throws an error. */
- return_value = evaluate_expression (retval_expr);
+ return_value = evaluate_expression (retval_expr.get ());
/* Cast return value to the return type of the function. Should
the cast fail, this call throws an error. */
"Please use an explicit cast of the value to return."));
return_type = value_type (return_value);
}
- do_cleanups (old_chain);
return_type = check_typedef (return_type);
return_value = value_cast (return_type, return_value);
Select and print a stack frame.\nWith no argument, \
print the selected stack frame. (See also \"info frame\").\n\
An argument specifies the frame to select.\n\
-It can be a stack frame number or the address of the frame.\n\
-With argument, nothing is printed if input is coming from\n\
-a command file or a user-defined command."));
+It can be a stack frame number or the address of the frame.\n"));
add_com_alias ("f", "frame", class_stack, 1);
- add_com ("select-frame", class_stack, select_frame_command, _("\
+ add_com_suppress_notification ("select-frame", class_stack, select_frame_command, _("\
Select a stack frame without printing anything.\n\
An argument specifies the frame to select.\n\
-It can be a stack frame number or the address of the frame.\n"));
+It can be a stack frame number or the address of the frame.\n"),
+ &cli_suppress_notification.user_selected_context);
add_com ("backtrace", class_stack, backtrace_command, _("\
Print backtrace of all stack frames, or innermost COUNT frames.\n\
projects / deliverable / binutils-gdb.git / blobdiff