/* Print and select stack frames for GDB, the GNU debugger.
- Copyright (C) 1986-2013 Free Software Foundation, Inc.
+ Copyright (C) 1986-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_assert.h"
#include <ctype.h>
-#include "gdb_string.h"
+#include <string.h>
-#include "psymtab.h"
#include "symfile.h"
#include "python/python.h"
{"all", "scalars", "none", NULL};
static const char *print_frame_arguments = "scalars";
+/* If non-zero, don't invoke pretty-printers for frame arguments. */
+static int print_raw_frame_arguments;
+
/* The possible choices of "set print entry-values", and the value
of this setting. */
void
print_stack_frame (struct frame_info *frame, int print_level,
- enum print_what print_what)
+ enum print_what print_what,
+ int set_current_sal)
{
volatile struct gdb_exception e;
{
int center = (print_what == SRC_LINE || print_what == SRC_AND_LOC);
- print_frame_info (frame, print_level, print_what, 1 /* print_args */);
- set_current_sal_from_frame (frame, center);
+ print_frame_info (frame, print_level, print_what, 1 /* print_args */,
+ set_current_sal);
+ if (set_current_sal)
+ set_current_sal_from_frame (frame, center);
}
}
else
language = current_language;
- get_raw_print_options (&opts);
+ get_no_prettyformat_print_options (&opts);
opts.deref_ref = 1;
+ opts.raw = print_raw_frame_arguments;
/* True in "summary" mode, false otherwise. */
opts.summary = !strcmp (print_frame_arguments, "scalars");
annotate_arg_end ();
}
+/* Read in inferior function local SYM at FRAME into ARGP. Caller is
+ responsible for xfree of ARGP->ERROR. This function never throws an
+ exception. */
+
+void
+read_frame_local (struct symbol *sym, struct frame_info *frame,
+ struct frame_arg *argp)
+{
+ volatile struct gdb_exception except;
+ struct value *val = NULL;
+
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ val = read_var_value (sym, frame);
+ }
+
+ argp->error = (val == NULL) ? xstrdup (except.message) : NULL;
+ argp->sym = sym;
+ argp->val = val;
+}
+
/* Read in inferior function parameter SYM at FRAME into ARGP. Caller is
responsible for xfree of ARGP->ERROR. This function never throws an
exception. */
{
struct type *type = value_type (val);
- if (!value_optimized_out (val) && value_lazy (val))
- value_fetch_lazy (val);
- if (!value_optimized_out (val) && value_lazy (entryval))
- value_fetch_lazy (entryval);
if (!value_optimized_out (val)
&& value_available_contents_eq (val, 0, entryval, 0,
TYPE_LENGTH (type)))
|| print_entry_values == print_entry_values_both
|| (print_entry_values == print_entry_values_preferred
&& (!val || value_optimized_out (val))))
- entryval = allocate_optimized_out_value (SYMBOL_TYPE (sym));
+ {
+ entryval = allocate_optimized_out_value (SYMBOL_TYPE (sym));
+ entryval_error = NULL;
+ }
}
if ((print_entry_values == print_entry_values_compact
|| print_entry_values == print_entry_values_if_needed
void
print_frame_info (struct frame_info *frame, int print_level,
- enum print_what print_what, int print_args)
+ enum print_what print_what, int print_args,
+ int set_current_sal)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
struct symtab_and_line sal;
do_gdb_disassembly (get_frame_arch (frame), -1, sal.pc, sal.end);
}
- if (print_what != LOCATION)
+ if (set_current_sal)
{
CORE_ADDR pc;
/* Attempt to obtain the FUNNAME, FUNLANG and optionally FUNCP of the function
- corresponding to FRAME. */
+ corresponding to FRAME. FUNNAME needs to be freed by the caller. */
void
-find_frame_funname (struct frame_info *frame, const char **funname,
+find_frame_funname (struct frame_info *frame, char **funname,
enum language *funlang, struct symbol **funcp)
{
struct symbol *func;
/* We also don't know anything about the function besides
its address and name. */
func = 0;
- *funname = SYMBOL_PRINT_NAME (msymbol.minsym);
+ *funname = xstrdup (SYMBOL_PRINT_NAME (msymbol.minsym));
*funlang = SYMBOL_LANGUAGE (msymbol.minsym);
}
else
{
- *funname = SYMBOL_PRINT_NAME (func);
+ *funname = xstrdup (SYMBOL_PRINT_NAME (func));
*funlang = SYMBOL_LANGUAGE (func);
if (funcp)
*funcp = func;
if (func_only)
{
+ xfree (*funname);
*funname = func_only;
- make_cleanup (xfree, func_only);
}
}
}
msymbol = lookup_minimal_symbol_by_pc (pc);
if (msymbol.minsym != NULL)
{
- *funname = SYMBOL_PRINT_NAME (msymbol.minsym);
+ *funname = xstrdup (SYMBOL_PRINT_NAME (msymbol.minsym));
*funlang = SYMBOL_LANGUAGE (msymbol.minsym);
}
}
{
struct gdbarch *gdbarch = get_frame_arch (frame);
struct ui_out *uiout = current_uiout;
- const char *funname = NULL;
+ char *funname = NULL;
enum language funlang = language_unknown;
struct ui_file *stb;
struct cleanup *old_chain, *list_chain;
old_chain = make_cleanup_ui_file_delete (stb);
find_frame_funname (frame, &funname, &funlang, &func);
+ make_cleanup (xfree, funname);
annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
gdbarch, pc);
struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
CORE_ADDR frame_pc;
int frame_pc_p;
- CORE_ADDR caller_pc;
+ /* Initialize it to avoid "may be used uninitialized" warning. */
+ CORE_ADDR caller_pc = 0;
+ volatile struct gdb_exception ex;
fi = parse_frame_specification_1 (addr_exp, "No stack.", &selected_frame_p);
gdbarch = get_frame_arch (fi);
sal.line);
puts_filtered ("; ");
wrap_here (" ");
- printf_filtered ("saved %s ", pc_regname);
- if (frame_unwind_caller_pc_if_available (fi, &caller_pc))
- fputs_filtered (paddress (gdbarch, caller_pc), gdb_stdout);
+ printf_filtered ("saved %s = ", pc_regname);
+
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
+ {
+ caller_pc = frame_unwind_caller_pc (fi);
+ }
+ if (ex.reason < 0)
+ {
+ switch (ex.error)
+ {
+ case NOT_AVAILABLE_ERROR:
+ val_print_unavailable (gdb_stdout);
+ break;
+ case OPTIMIZED_OUT_ERROR:
+ val_print_not_saved (gdb_stdout);
+ break;
+ default:
+ fprintf_filtered (gdb_stdout, _("<error: %s>"), ex.message);
+ break;
+ }
+ }
else
- fputs_filtered ("<unavailable>", gdb_stdout);
+ fputs_filtered (paddress (gdbarch, caller_pc), gdb_stdout);
printf_filtered ("\n");
if (calling_frame_info == NULL)
hand, perhaps the code does or could be fixed to make sure
the frame->prev field gets set to NULL in that case). */
- print_frame_info (fi, 1, LOCATION, 1);
+ print_frame_info (fi, 1, LOCATION, 1, 0);
if (show_locals)
- {
- struct frame_id frame_id = get_frame_id (fi);
+ {
+ struct frame_id frame_id = get_frame_id (fi);
- print_frame_local_vars (fi, 1, gdb_stdout);
+ print_frame_local_vars (fi, 1, gdb_stdout);
- /* print_frame_local_vars invalidates FI. */
- fi = frame_find_by_id (frame_id);
- if (fi == NULL)
- {
- trailing = NULL;
- warning (_("Unable to restore previously selected frame."));
- break;
+ /* print_frame_local_vars invalidates FI. */
+ fi = frame_find_by_id (frame_id);
+ if (fi == NULL)
+ {
+ trailing = NULL;
+ warning (_("Unable to restore previously selected frame."));
+ break;
+ }
}
- }
/* Save the last frame to check for error conditions. */
trailing = fi;
{
select_frame (frame);
if (frame)
- print_stack_frame (frame, 1, SRC_AND_LOC);
+ print_stack_frame (frame, 1, SRC_AND_LOC, 1);
}
\f
/* Return the symbol-block in which the selected frame is executing.
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);
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
/* The XDB Compatibility command to print the current frame. */
static void
current_frame_command (char *level_exp, int from_tty)
{
- print_stack_frame (get_selected_frame (_("No stack.")), 1, SRC_AND_LOC);
+ print_stack_frame (get_selected_frame (_("No stack.")), 1, SRC_AND_LOC, 1);
}
/* 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);
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
/* 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);
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
\f
_("Show printing of non-scalar frame arguments"),
NULL, NULL, NULL, &setprintlist, &showprintlist);
+ add_setshow_boolean_cmd ("frame-arguments", no_class,
+ &print_raw_frame_arguments, _("\
+Set whether to print frame arguments in raw form."), _("\
+Show whether to print frame arguments in raw form."), _("\
+If set, frame arguments are printed in raw form, bypassing any\n\
+pretty-printers for that value."),
+ NULL, NULL,
+ &setprintrawlist, &showprintrawlist);
+
add_setshow_auto_boolean_cmd ("disassemble-next-line", class_stack,
&disassemble_next_line, _("\
Set whether to disassemble next source line or insn when execution stops."),