/* Definitions for dealing with stack frames, for GDB, the GNU debugger.
- Copyright (C) 1986-2019 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
#define FRAME_H 1
/* The following is the intended naming schema for frame functions.
- It isn't 100% consistent, but it is aproaching that. Frame naming
+ It isn't 100% consistent, but it is approaching that. Frame naming
schema:
Prefixes:
*/
#include "language.h"
+#include "cli/cli-option.h"
struct symtab_and_line;
struct frame_unwind;
struct gdbarch;
struct ui_file;
struct ui_out;
+struct frame_print_options;
/* Status of a given frame's stack. */
as the special identifier address are set to indicate wild cards. */
extern struct frame_id frame_id_build_wild (CORE_ADDR stack_addr);
+/* Returns true if FRAME's id has been computed.
+ Returns false otherwise. */
+extern bool frame_id_computed_p (struct frame_info *frame);
+
/* Returns non-zero when L is a valid frame (a valid frame has a
non-zero .base). The outermost frame is valid even without an
ID. */
extern struct gdbarch *frame_unwind_caller_arch (struct frame_info *frame);
-/* Values for the source flag to be used in print_frame_info_base(). */
+/* Values for the source flag to be used in print_frame_info ().
+ For all the cases below, the address is never printed if
+ 'set print address' is off. When 'set print address' is on,
+ the address is printed if the program counter is not at the
+ beginning of the source line of the frame
+ and PRINT_WHAT is != LOC_AND_ADDRESS. */
enum print_what
- {
- /* Print only the source line, like in stepi. */
- SRC_LINE = -1,
- /* Print only the location, i.e. level, address (sometimes)
- function, args, file, line, line num. */
+ {
+ /* Print only the address, source line, like in stepi. */
+ SRC_LINE = -1,
+ /* Print only the location, i.e. level, address,
+ function, args (as controlled by 'set print frame-arguments'),
+ file, line, line num. */
LOCATION,
/* Print both of the above. */
- SRC_AND_LOC,
- /* Print location only, but always include the address. */
- LOC_AND_ADDRESS
+ SRC_AND_LOC,
+ /* Print location only, print the address even if the program counter
+ is at the beginning of the source line. */
+ LOC_AND_ADDRESS,
+ /* Print only level and function,
+ i.e. location only, without address, file, line, line num. */
+ SHORT_LOCATION
};
/* Allocate zero initialized memory from the frame cache obstack.
enum print_what print_what,
int set_current_sal);
-extern void print_frame_info (struct frame_info *, int print_level,
+extern void print_frame_info (const frame_print_options &fp_opts,
+ struct frame_info *, int print_level,
enum print_what print_what, int args,
int set_current_sal);
/* From stack.c. */
+/* The possible choices of "set print frame-arguments". */
+extern const char print_frame_arguments_all[];
+extern const char print_frame_arguments_scalars[];
+extern const char print_frame_arguments_none[];
+
+/* The possible choices of "set print frame-info". */
+extern const char print_frame_info_auto[];
+extern const char print_frame_info_source_line[];
+extern const char print_frame_info_location[];
+extern const char print_frame_info_source_and_location[];
+extern const char print_frame_info_location_and_address[];
+extern const char print_frame_info_short_location[];
+
+/* The possible choices of "set print entry-values". */
extern const char print_entry_values_no[];
extern const char print_entry_values_only[];
extern const char print_entry_values_preferred[];
extern const char print_entry_values_both[];
extern const char print_entry_values_compact[];
extern const char print_entry_values_default[];
-extern const char *print_entry_values;
+
+/* Data for the frame-printing "set print" settings exposed as command
+ options. */
+
+struct frame_print_options
+{
+ const char *print_frame_arguments = print_frame_arguments_scalars;
+ const char *print_frame_info = print_frame_info_auto;
+ const char *print_entry_values = print_entry_values_default;
+
+ /* If true, don't invoke pretty-printers for frame
+ arguments. */
+ bool print_raw_frame_arguments;
+};
+
+/* The values behind the global "set print ..." settings. */
+extern frame_print_options user_frame_print_options;
/* Inferior function parameter value read in from a frame. */
struct frame_arg
{
/* Symbol for this parameter used for example for its name. */
- struct symbol *sym;
+ struct symbol *sym = nullptr;
/* Value of the parameter. It is NULL if ERROR is not NULL; if both VAL and
ERROR are NULL this parameter's value should not be printed. */
- struct value *val;
+ struct value *val = nullptr;
/* String containing the error message, it is more usually NULL indicating no
error occured reading this parameter. */
- char *error;
+ gdb::unique_xmalloc_ptr<char> error;
/* One of the print_entry_values_* entries as appropriate specifically for
this frame_arg. It will be different from print_entry_values. With
value - print_entry_values_compact is not permitted fi ui_out_is_mi_like_p
(in such case print_entry_values_no and print_entry_values_only is used
for each parameter kind specifically. */
- const char *entry_kind;
+ const char *entry_kind = nullptr;
};
-extern void read_frame_arg (struct symbol *sym, struct frame_info *frame,
+extern void read_frame_arg (const frame_print_options &fp_opts,
+ symbol *sym, frame_info *frame,
struct frame_arg *argp,
struct frame_arg *entryargp);
extern void read_frame_local (struct symbol *sym, struct frame_info *frame,
extern struct frame_info *skip_unwritable_frames (struct frame_info *frame);
+/* Data for the "set backtrace" settings. */
+
+struct set_backtrace_options
+{
+ /* Flag to indicate whether backtraces should continue past
+ main. */
+ bool backtrace_past_main = false;
+
+ /* Flag to indicate whether backtraces should continue past
+ entry. */
+ bool backtrace_past_entry = false;
+
+ /* Upper bound on the number of backtrace levels. Note this is not
+ exposed as a command option, because "backtrace" and "frame
+ apply" already have other means to set a frame count limit. */
+ unsigned int backtrace_limit = UINT_MAX;
+};
+
+/* The corresponding option definitions. */
+extern const gdb::option::option_def set_backtrace_option_defs[2];
+
+/* The values behind the global "set backtrace ..." settings. */
+extern set_backtrace_options user_set_backtrace_options;
+
+/* Mark that the PC value is masked for the previous frame. */
+
+extern void set_frame_previous_pc_masked (struct frame_info *frame);
+
+/* Get whether the PC value is masked for the given frame. */
+
+extern bool get_frame_pc_masked (const struct frame_info *frame);
+
+
#endif /* !defined (FRAME_H) */
projects / deliverable / binutils-gdb.git / blobdiff