#include "symfile.h"
#include "extension.h"
#include "observable.h"
-#include "common/def-vector.h"
+#include "gdbsupport/def-vector.h"
#include "cli/cli-option.h"
/* The possible choices of "set print frame-arguments", and the value
const char print_frame_arguments_all[] = "all";
const char print_frame_arguments_scalars[] = "scalars";
const char print_frame_arguments_none[] = "none";
+const char print_frame_arguments_presence[] = "presence";
static const char *const print_frame_arguments_choices[] =
{
print_frame_arguments_all,
print_frame_arguments_scalars,
print_frame_arguments_none,
+ print_frame_arguments_presence,
NULL
};
+/* The possible choices of "set print frame-info", and the value
+ of this setting. */
+
+const char print_frame_info_auto[] = "auto";
+const char print_frame_info_source_line[] = "source-line";
+const char print_frame_info_location[] = "location";
+const char print_frame_info_source_and_location[] = "source-and-location";
+const char print_frame_info_location_and_address[] = "location-and-address";
+const char print_frame_info_short_location[] = "short-location";
+
+static const char *const print_frame_info_choices[] =
+{
+ print_frame_info_auto,
+ print_frame_info_source_line,
+ print_frame_info_location,
+ print_frame_info_source_and_location,
+ print_frame_info_location_and_address,
+ print_frame_info_short_location,
+ NULL
+};
+
+/* print_frame_info_print_what[i] maps a choice to the corresponding
+ print_what enum. */
+static const gdb::optional<enum print_what> print_frame_info_print_what[] =
+ {{}, /* Empty value for "auto". */
+ SRC_LINE, LOCATION, SRC_AND_LOC, LOC_AND_ADDRESS, SHORT_LOCATION};
+
/* The possible choices of "set print entry-values", and the value
of this setting. */
N_("If set, frame arguments are printed in raw form, bypassing any\n\
pretty-printers for that value.")
},
+
+ enum_option_def {
+ "frame-info",
+ print_frame_info_choices,
+ [] (frame_print_options *opt) { return &opt->print_frame_info; },
+ NULL, /* show_cmd_cb */
+ N_("Set printing of frame information."),
+ N_("Show printing of frame information."),
+ NULL /* help_doc */
+ }
+
};
/* Options for the "backtrace" command. */
static int last_displayed_line = 0;
\f
-/* Return 1 if we should display the address in addition to the location,
- because we are in the middle of a statement. */
+/* See stack.h. */
-static int
+int
frame_show_address (struct frame_info *frame,
struct symtab_and_line sal)
{
long highest_offset = -1;
/* Number of ints of arguments that we have printed so far. */
int args_printed = 0;
+ /* True if we should print arg names. If false, we only indicate
+ the presence of arguments by printing ellipsis. */
+ bool print_names
+ = fp_opts.print_frame_arguments != print_frame_arguments_presence;
/* True if we should print arguments, false otherwise. */
bool print_args
- = fp_opts.print_frame_arguments != print_frame_arguments_none;
+ = (print_names
+ && fp_opts.print_frame_arguments != print_frame_arguments_none);
if (func)
{
if (!SYMBOL_IS_ARGUMENT (sym))
continue;
+ if (!print_names)
+ {
+ uiout->text ("...");
+ first = 0;
+ break;
+ }
+
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
else
start = highest_offset;
- print_frame_nameless_args (frame, start, num - args_printed,
- first, stream);
+ if (!print_names && !first && num > 0)
+ uiout->text ("...");
+ else
+ print_frame_nameless_args (frame, start, num - args_printed,
+ first, stream);
}
}
}
}
+/* Converts the PRINT_FRAME_INFO choice to an optional enum print_what.
+ Value not present indicates to the caller to use default values
+ specific to the command being executed. */
+
+static gdb::optional<enum print_what>
+print_frame_info_to_print_what (const char *print_frame_info)
+{
+ for (int i = 0; print_frame_info_choices[i] != NULL; i++)
+ if (print_frame_info == print_frame_info_choices[i])
+ return print_frame_info_print_what[i];
+
+ internal_error (__FILE__, __LINE__,
+ "Unexpected print frame-info value `%s'.",
+ print_frame_info);
+}
+
+/* See stack.h. */
+
+void
+get_user_print_what_frame_info (gdb::optional<enum print_what> *what)
+{
+ *what
+ = print_frame_info_to_print_what
+ (user_frame_print_options.print_frame_info);
+}
+
/* Print information about frame FRAME. The output is format according
- to PRINT_LEVEL and PRINT_WHAT and PRINT_ARGS. The meaning of
- PRINT_WHAT is:
-
- SRC_LINE: Print only source line.
- LOCATION: Print only location.
- SRC_AND_LOC: Print location and source line.
+ to PRINT_LEVEL and PRINT_WHAT and PRINT_ARGS. For the meaning of
+ PRINT_WHAT, see enum print_what comments in frame.h.
+ Note that PRINT_WHAT is overriden if FP_OPTS.print_frame_info
+ != print_frame_info_auto.
Used in "where" output, and to emit breakpoint or step
messages. */
int location_print;
struct ui_out *uiout = current_uiout;
+ if (!current_uiout->is_mi_like_p ()
+ && fp_opts.print_frame_info != print_frame_info_auto)
+ {
+ /* Use the specific frame information desired by the user. */
+ print_what = *print_frame_info_to_print_what (fp_opts.print_frame_info);
+ }
+
if (get_frame_type (frame) == DUMMY_FRAME
|| get_frame_type (frame) == SIGTRAMP_FRAME
|| get_frame_type (frame) == ARCH_FRAME)
if (print_level)
{
uiout->text ("#");
- uiout->field_fmt_int (2, ui_left, "level",
- frame_relative_level (frame));
+ uiout->field_fmt_signed (2, ui_left, "level",
+ frame_relative_level (frame));
}
if (uiout->is_mi_like_p ())
{
to get the line containing FRAME->pc. */
symtab_and_line sal = find_frame_sal (frame);
- location_print = (print_what == LOCATION
+ location_print = (print_what == LOCATION
+ || print_what == SRC_AND_LOC
|| print_what == LOC_AND_ADDRESS
- || print_what == SRC_AND_LOC);
-
+ || print_what == SHORT_LOCATION);
if (location_print || !sal.symtab)
print_frame (fp_opts, frame, print_level, print_what, print_args, sal);
{
int mid_statement = ((print_what == SRC_LINE)
&& frame_show_address (frame, sal));
- bool done = annotate_source_line (sal.symtab, sal.line, mid_statement,
- get_frame_pc (frame));
+ annotate_source_line (sal.symtab, sal.line, mid_statement,
+ get_frame_pc (frame));
- if (!done)
+ if (deprecated_print_frame_info_listing_hook)
+ deprecated_print_frame_info_listing_hook (sal.symtab, sal.line,
+ sal.line + 1, 0);
+ else
{
- if (deprecated_print_frame_info_listing_hook)
- deprecated_print_frame_info_listing_hook (sal.symtab,
- sal.line,
- sal.line + 1, 0);
- else
- {
- struct value_print_options opts;
-
- get_user_print_options (&opts);
- /* We used to do this earlier, but that is clearly
- wrong. This function is used by many different
- parts of gdb, including normal_stop in infrun.c,
- which uses this to print out the current PC
- when we stepi/nexti into the middle of a source
- line. Only the command line really wants this
- behavior. Other UIs probably would like the
- ability to decide for themselves if it is desired. */
- if (opts.addressprint && mid_statement)
- {
- uiout->field_core_addr ("addr",
- gdbarch, get_frame_pc (frame));
- uiout->text ("\t");
- }
+ struct value_print_options opts;
- print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
+ get_user_print_options (&opts);
+ /* We used to do this earlier, but that is clearly
+ wrong. This function is used by many different
+ parts of gdb, including normal_stop in infrun.c,
+ which uses this to print out the current PC
+ when we stepi/nexti into the middle of a source
+ line. Only the command line really wants this
+ behavior. Other UIs probably would like the
+ ability to decide for themselves if it is desired. */
+ if (opts.addressprint && mid_statement)
+ {
+ uiout->field_core_addr ("addr",
+ gdbarch, get_frame_pc (frame));
+ uiout->text ("\t");
}
- }
- /* If disassemble-next-line is set to on and there is line debug
- messages, output assembly codes for next line. */
- if (disassemble_next_line == AUTO_BOOLEAN_TRUE)
- do_gdb_disassembly (get_frame_arch (frame), -1, sal.pc, sal.end);
+ print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
+ }
}
+ /* If disassemble-next-line is set to on and there is line debug
+ messages, output assembly codes for next line. */
+ if (disassemble_next_line == AUTO_BOOLEAN_TRUE)
+ do_gdb_disassembly (get_frame_arch (frame), -1, sal.pc, sal.end);
+
if (set_current_sal)
{
CORE_ADDR pc;
func = get_frame_function (frame);
if (func)
{
- /* In certain pathological cases, the symtabs give the wrong
- function (when we are in the first function in a file which
- is compiled without debugging symbols, the previous function
- is compiled with debugging symbols, and the "foo.o" symbol
- that is supposed to tell us where the file with debugging
- symbols ends has been truncated by ar because it is longer
- than 15 characters). This also occurs if the user uses asm()
- to create a function but not stabs for it (in a file compiled
- with -g).
-
- So look in the minimal symbol tables as well, and if it comes
- up with a larger address for the function use that instead.
- I don't think this can ever cause any problems; there
- shouldn't be any minimal symbols in the middle of a function;
- if this is ever changed many parts of GDB will need to be
- changed (and we'll create a find_pc_minimal_function or some
- such). */
-
- struct bound_minimal_symbol msymbol;
-
- /* Don't attempt to do this for inlined functions, which do not
- have a corresponding minimal symbol. */
- if (!block_inlined_p (SYMBOL_BLOCK_VALUE (func)))
- msymbol
- = lookup_minimal_symbol_by_pc (get_frame_address_in_block (frame));
- else
- memset (&msymbol, 0, sizeof (msymbol));
+ const char *print_name = SYMBOL_PRINT_NAME (func);
- if (msymbol.minsym != NULL
- && (BMSYMBOL_VALUE_ADDRESS (msymbol)
- > BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (func))))
+ *funlang = SYMBOL_LANGUAGE (func);
+ if (funcp)
+ *funcp = func;
+ if (*funlang == language_cplus)
{
- /* We also don't know anything about the function besides
- its address and name. */
- func = 0;
- funname.reset (xstrdup (MSYMBOL_PRINT_NAME (msymbol.minsym)));
- *funlang = MSYMBOL_LANGUAGE (msymbol.minsym);
+ /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
+ to display the demangled name that we already have
+ stored in the symbol table, but we stored a version
+ with DMGL_PARAMS turned on, and here we don't want to
+ display parameters. So remove the parameters. */
+ funname = cp_remove_params (print_name);
}
- else
- {
- const char *print_name = SYMBOL_PRINT_NAME (func);
- *funlang = SYMBOL_LANGUAGE (func);
- if (funcp)
- *funcp = func;
- if (*funlang == language_cplus)
- {
- /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
- to display the demangled name that we already have
- stored in the symbol table, but we stored a version
- with DMGL_PARAMS turned on, and here we don't want to
- display parameters. So remove the parameters. */
- funname = cp_remove_params (print_name);
- }
-
- /* If we didn't hit the C++ case above, set *funname
- here. */
- if (funname == NULL)
- funname.reset (xstrdup (print_name));
- }
+ /* If we didn't hit the C++ case above, set *funname
+ here. */
+ if (funname == NULL)
+ funname.reset (xstrdup (print_name));
}
else
{
if (print_level)
{
uiout->text ("#");
- uiout->field_fmt_int (2, ui_left, "level",
- frame_relative_level (frame));
+ uiout->field_fmt_signed (2, ui_left, "level",
+ frame_relative_level (frame));
}
get_user_print_options (&opts);
if (opts.addressprint)
QUIT;
}
uiout->text (")");
- if (sal.symtab)
+ if (print_what != SHORT_LOCATION && sal.symtab)
{
const char *filename_display;
annotate_frame_source_file_end ();
uiout->text (":");
annotate_frame_source_line ();
- uiout->field_int ("line", sal.line);
+ uiout->field_signed ("line", sal.line);
annotate_frame_source_end ();
}
- if (pc_p && (funname == NULL || sal.symtab == NULL))
+ if (print_what != SHORT_LOCATION
+ && pc_p && (funname == NULL || sal.symtab == NULL))
{
char *lib = solib_name_from_address (get_frame_program_space (frame),
get_frame_pc (frame));
arg_type = CLI_SCALAR_VALUES;
else if (fp_opts.print_frame_arguments == print_frame_arguments_all)
arg_type = CLI_ALL_VALUES;
- else
+ else if (fp_opts.print_frame_arguments == print_frame_arguments_presence)
+ arg_type = CLI_PRESENCE;
+ else if (fp_opts.print_frame_arguments == print_frame_arguments_none)
arg_type = NO_VALUES;
+ else
+ gdb_assert (0);
result = apply_ext_lang_frame_filter (get_current_frame (), flags,
arg_type, current_uiout,
}
}
+/* Implement the 'info locals' command. */
+
void
info_locals_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
-
- if (args != NULL)
- report_unrecognized_option_error ("info locals", args);
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
print_frame_local_vars (get_selected_frame (_("No frame selected.")),
- quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- t_regexp.empty () ? NULL : t_regexp.c_str (),
+ opts.quiet, args, opts.type_regexp,
0, gdb_stdout);
}
}
}
+/* Implement the 'info args' command. */
+
void
info_args_command (const char *args, int from_tty)
{
- std::string regexp;
- std::string t_regexp;
- bool quiet = false;
-
- while (args != NULL
- && extract_info_print_args (&args, &quiet, ®exp, &t_regexp))
- ;
-
- if (args != NULL)
- report_unrecognized_option_error ("info args", args);
-
+ info_print_options opts;
+ extract_info_print_options (&opts, &args);
print_frame_arg_vars (get_selected_frame (_("No frame selected.")),
- quiet,
- regexp.empty () ? NULL : regexp.c_str (),
- t_regexp.empty () ? NULL : t_regexp.c_str (),
- gdb_stdout);
+ opts.quiet, args, opts.type_regexp, gdb_stdout);
}
\f
/* Return the symbol-block in which the selected frame is executing.
const auto frame_apply_opts
= make_frame_apply_options_def_group (nullptr, nullptr);
- static std::string frame_apply_cmd_help = gdb::option::build_help (N_("\
+ static std::string frame_apply_cmd_help = gdb::option::build_help (_("\
Apply a command to a number of frames.\n\
Usage: frame apply COUNT [OPTION]... COMMAND\n\
With a negative COUNT argument, applies the command on outermost -COUNT frames.\n"
&frame_cmd_list);
set_cmd_completer_handle_brkchars (cmd, frame_apply_cmd_completer);
- static std::string frame_apply_all_cmd_help = gdb::option::build_help (N_("\
+ static std::string frame_apply_all_cmd_help = gdb::option::build_help (_("\
Apply a command to all frames.\n\
\n\
Usage: frame apply all [OPTION]... COMMAND\n"
&frame_apply_cmd_list);
set_cmd_completer_handle_brkchars (cmd, frame_apply_all_cmd_completer);
- static std::string frame_apply_level_cmd_help = gdb::option::build_help (N_("\
+ static std::string frame_apply_level_cmd_help = gdb::option::build_help (_("\
Apply a command to a list of frames.\n\
\n\
Usage: frame apply level LEVEL... [OPTION]... COMMAND\n\
= make_backtrace_options_def_group (nullptr, nullptr, nullptr);
static std::string backtrace_help
- = gdb::option::build_help (N_("\
+ = gdb::option::build_help (_("\
Print backtrace of all stack frames, or innermost COUNT frames.\n\
Usage: backtrace [OPTION]... [QUALIFIER]... [COUNT | -COUNT]\n\
\n\
Usage: info frame level LEVEL"),
&info_frame_cmd_list);
- add_info ("locals", info_locals_command,
- info_print_args_help (_("\
+ cmd = add_info ("locals", info_locals_command,
+ info_print_args_help (_("\
All local variables of current stack frame or those matching REGEXPs.\n\
Usage: info locals [-q] [-t TYPEREGEXP] [NAMEREGEXP]\n\
Prints the local variables of the current stack frame.\n"),
_("local variables")));
- add_info ("args", info_args_command,
- info_print_args_help (_("\
+ set_cmd_completer_handle_brkchars (cmd, info_print_command_completer);
+ cmd = add_info ("args", info_args_command,
+ info_print_args_help (_("\
All argument variables of current stack frame or those matching REGEXPs.\n\
Usage: info args [-q] [-t TYPEREGEXP] [NAMEREGEXP]\n\
Prints the argument variables of the current stack frame.\n"),
_("argument variables")));
+ set_cmd_completer_handle_brkchars (cmd, info_print_command_completer);
if (dbx_commands)
add_com ("func", class_stack, func_command, _("\
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