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Diffstat (limited to 'gdb/mi/mi-cmd-stack.c')
-rw-r--r--gdb/mi/mi-cmd-stack.c77
1 files changed, 57 insertions, 20 deletions
diff --git a/gdb/mi/mi-cmd-stack.c b/gdb/mi/mi-cmd-stack.c
index 2df97e2..7bf9ab8 100644
--- a/gdb/mi/mi-cmd-stack.c
+++ b/gdb/mi/mi-cmd-stack.c
@@ -39,9 +39,10 @@
enum what_to_list { locals, arguments, all };
-static void list_args_or_locals (enum what_to_list what,
+static void list_args_or_locals (enum what_to_list what,
enum print_values values,
- struct frame_info *fi);
+ struct frame_info *fi,
+ int skip_unavailable);
/* True if we want to allow Python-based frame filters. */
static int frame_filters = 0;
@@ -202,17 +203,21 @@ mi_cmd_stack_list_locals (char *command, char **argv, int argc)
enum py_bt_status result = PY_BT_ERROR;
int print_value;
int oind = 0;
+ int skip_unavailable = 0;
+ int i;
if (argc > 1)
{
int i;
enum opt
{
- NO_FRAME_FILTERS
+ NO_FRAME_FILTERS,
+ SKIP_UNAVAILABLE,
};
static const struct mi_opt opts[] =
{
{"-no-frame-filters", NO_FRAME_FILTERS, 0},
+ {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
{ 0, 0, 0 }
};
@@ -229,6 +234,8 @@ mi_cmd_stack_list_locals (char *command, char **argv, int argc)
{
case NO_FRAME_FILTERS:
raw_arg = oind;
+ case SKIP_UNAVAILABLE:
+ skip_unavailable = 1;
break;
}
}
@@ -237,7 +244,8 @@ mi_cmd_stack_list_locals (char *command, char **argv, int argc)
/* After the last option is parsed, there should be only
'print-values'. */
if (argc - oind != 1)
- error (_("-stack-list-locals: Usage: [--no-frame-filters] PRINT_VALUES"));
+ error (_("-stack-list-locals: Usage: [--no-frame-filters] "
+ "[--skip-unavailable] PRINT_VALUES"));
frame = get_selected_frame (NULL);
print_value = mi_parse_print_values (argv[oind]);
@@ -254,7 +262,8 @@ mi_cmd_stack_list_locals (char *command, char **argv, int argc)
if "--no-frame-filters" has been specified from the command. */
if (! frame_filters || raw_arg || result == PY_BT_NO_FILTERS)
{
- list_args_or_locals (locals, print_value, frame);
+ list_args_or_locals (locals, print_value, frame,
+ skip_unavailable);
}
}
@@ -274,14 +283,17 @@ mi_cmd_stack_list_args (char *command, char **argv, int argc)
struct ui_out *uiout = current_uiout;
int raw_arg = 0;
int oind = 0;
+ int skip_unavailable = 0;
enum py_bt_status result = PY_BT_ERROR;
enum opt
{
NO_FRAME_FILTERS,
+ SKIP_UNAVAILABLE,
};
static const struct mi_opt opts[] =
{
{"-no-frame-filters", NO_FRAME_FILTERS, 0},
+ {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
{ 0, 0, 0 }
};
@@ -298,12 +310,16 @@ mi_cmd_stack_list_args (char *command, char **argv, int argc)
case NO_FRAME_FILTERS:
raw_arg = oind;
break;
+ case SKIP_UNAVAILABLE:
+ skip_unavailable = 1;
+ break;
}
}
if (argc - oind != 1 && argc - oind != 3)
error (_("-stack-list-arguments: Usage: " \
- "[--no-frame-filters] PRINT_VALUES [FRAME_LOW FRAME_HIGH]"));
+ "[--no-frame-filters] [--skip-unavailable] "
+ "PRINT_VALUES [FRAME_LOW FRAME_HIGH]"));
if (argc - oind == 3)
{
@@ -364,7 +380,7 @@ mi_cmd_stack_list_args (char *command, char **argv, int argc)
QUIT;
cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
ui_out_field_int (uiout, "level", i);
- list_args_or_locals (arguments, print_values, fi);
+ list_args_or_locals (arguments, print_values, fi, skip_unavailable);
do_cleanups (cleanup_frame);
}
}
@@ -384,17 +400,20 @@ mi_cmd_stack_list_variables (char *command, char **argv, int argc)
enum py_bt_status result = PY_BT_ERROR;
int print_value;
int oind = 0;
+ int skip_unavailable = 0;
if (argc > 1)
{
int i;
enum opt
{
- NO_FRAME_FILTERS
+ NO_FRAME_FILTERS,
+ SKIP_UNAVAILABLE,
};
static const struct mi_opt opts[] =
{
{"-no-frame-filters", NO_FRAME_FILTERS, 0},
+ {"-skip-unavailable", SKIP_UNAVAILABLE, 0},
{ 0, 0, 0 }
};
@@ -411,6 +430,9 @@ mi_cmd_stack_list_variables (char *command, char **argv, int argc)
case NO_FRAME_FILTERS:
raw_arg = oind;
break;
+ case SKIP_UNAVAILABLE:
+ skip_unavailable = 1;
+ break;
}
}
}
@@ -418,8 +440,8 @@ mi_cmd_stack_list_variables (char *command, char **argv, int argc)
/* After the last option is parsed, there should be only
'print-values'. */
if (argc - oind != 1)
- error (_("-stack-list-variables: Usage: " \
- "[--no-frame-filters] PRINT_VALUES"));
+ error (_("-stack-list-variables: Usage: [--no-frame-filters] " \
+ "[--skip-unavailable] PRINT_VALUES"));
frame = get_selected_frame (NULL);
print_value = mi_parse_print_values (argv[oind]);
@@ -436,7 +458,8 @@ mi_cmd_stack_list_variables (char *command, char **argv, int argc)
if "--no-frame-filters" has been specified from the command. */
if (! frame_filters || raw_arg || result == PY_BT_NO_FILTERS)
{
- list_args_or_locals (all, print_value, frame);
+ list_args_or_locals (all, print_value, frame,
+ skip_unavailable);
}
}
@@ -444,19 +467,17 @@ mi_cmd_stack_list_variables (char *command, char **argv, int argc)
WHAT and VALUES see list_args_or_locals.
Errors are printed as if they would be the parameter value. Use
- zeroed ARG iff it should not be printed according to VALUES. */
+ zeroed ARG iff it should not be printed according to VALUES. If
+ SKIP_UNAVAILABLE is true, only print ARG if it is available. */
static void
list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
- enum print_values values)
+ enum print_values values, int skip_unavailable)
{
struct cleanup *old_chain;
struct ui_out *uiout = current_uiout;
struct ui_file *stb;
- stb = mem_fileopen ();
- old_chain = make_cleanup_ui_file_delete (stb);
-
gdb_assert (!arg->val || !arg->error);
gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL
&& arg->error == NULL)
@@ -467,6 +488,20 @@ list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
|| (arg->entry_kind == print_entry_values_only
&& (arg->val || arg->error)));
+ if (skip_unavailable && arg->val != NULL
+ && (value_entirely_unavailable (arg->val)
+ /* A scalar object that does not have all bits available is
+ also considered unavailable, because all bits contribute
+ to its representation. */
+ || (val_print_scalar_type_p (value_type (arg->val))
+ && !value_bytes_available (arg->val,
+ value_embedded_offset (arg->val),
+ TYPE_LENGTH (value_type (arg->val))))))
+ return;
+
+ stb = mem_fileopen ();
+ old_chain = make_cleanup_ui_file_delete (stb);
+
if (values != PRINT_NO_VALUES || what == all)
make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
@@ -516,11 +551,13 @@ list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
/* Print a list of the objects for the frame FI in a certain form,
which is determined by VALUES. The objects can be locals,
- arguments or both, which is determined by WHAT. */
+ arguments or both, which is determined by WHAT. If SKIP_UNAVAILABLE
+ is true, only print the arguments or local variables whose values
+ are available. */
static void
list_args_or_locals (enum what_to_list what, enum print_values values,
- struct frame_info *fi)
+ struct frame_info *fi, int skip_unavailable)
{
struct block *block;
struct symbol *sym;
@@ -623,9 +660,9 @@ list_args_or_locals (enum what_to_list what, enum print_values values,
}
if (arg.entry_kind != print_entry_values_only)
- list_arg_or_local (&arg, what, values);
+ list_arg_or_local (&arg, what, values, skip_unavailable);
if (entryarg.entry_kind != print_entry_values_no)
- list_arg_or_local (&entryarg, what, values);
+ list_arg_or_local (&entryarg, what, values, skip_unavailable);
xfree (arg.error);
xfree (entryarg.error);
}
generated by cgit v1.1 at 2024-12-19 15:37:31 +0000