/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
for now. */
/* Basic, host-specific, and target-specific definitions for GDB.
- Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
- 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
#ifndef DEFS_H
#define DEFS_H
-#include "config.h" /* Generated by configure. */
+#ifdef GDBSERVER
+# error gdbserver should not include gdb/defs.h
+#endif
+
+#include "gdbsupport/common-defs.h"
#include <sys/types.h>
-#include <stdio.h>
-#include <errno.h> /* System call error return status. */
#include <limits.h>
-#include <stdint.h>
/* The libdecnumber library, on which GDB depends, includes a header file
called gstdint.h instead of relying directly on stdint.h. GDB, on the
included, so it's ok to blank out gstdint.h. */
#define GCC_GENERATED_STDINT_H 1
-#ifdef HAVE_STDDEF_H
-#include <stddef.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include <fcntl.h>
-/* First include ansidecl.h so we can use the various macro definitions
- here and in all subsequent file inclusions. */
+#include "gdb_wchar.h"
+
+#include "ui-file.h"
-#include "ansidecl.h"
+#include "gdbsupport/host-defs.h"
+#include "gdbsupport/enum-flags.h"
-#include "gdb_locale.h"
+/* Scope types enumerator. List the types of scopes the compiler will
+ accept. */
+
+enum compile_i_scope_types
+ {
+ COMPILE_I_INVALID_SCOPE,
+
+ /* A simple scope. Wrap an expression into a simple scope that
+ takes no arguments, returns no value, and uses the generic
+ function name "_gdb_expr". */
+
+ COMPILE_I_SIMPLE_SCOPE,
+
+ /* Do not wrap the expression,
+ it has to provide function "_gdb_expr" on its own. */
+ COMPILE_I_RAW_SCOPE,
+
+ /* A printable expression scope. Wrap an expression into a scope
+ suitable for the "compile print" command. It uses the generic
+ function name "_gdb_expr". COMPILE_I_PRINT_ADDRESS_SCOPE variant
+ is the usual one, taking address of the object.
+ COMPILE_I_PRINT_VALUE_SCOPE is needed for arrays where the array
+ name already specifies its address. See get_out_value_type. */
+ COMPILE_I_PRINT_ADDRESS_SCOPE,
+ COMPILE_I_PRINT_VALUE_SCOPE,
+ };
-#include "gdb_wchar.h"
-/* For ``enum target_signal''. */
-#include "gdb/signals.h"
+template<typename T>
+using RequireLongest = gdb::Requires<gdb::Or<std::is_same<T, LONGEST>,
+ std::is_same<T, ULONGEST>>>;
/* Just in case they're not defined in stdio.h. */
#define O_BINARY 0
#endif
-#include <stdarg.h> /* For va_list. */
-
-#include "libiberty.h"
-
-/* Rather than duplicate all the logic in BFD for figuring out what
- types to use (which can be pretty complicated), symply define them
- in terms of the corresponding type from BFD. */
-
-#include "bfd.h"
-
-/* A byte from the program being debugged. */
-typedef bfd_byte gdb_byte;
-
-/* An address in the program being debugged. Host byte order. */
-typedef bfd_vma CORE_ADDR;
-
-/* The largest CORE_ADDR value. */
-#define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
+#include "hashtab.h"
-/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
-
-#ifndef LONGEST
-
-#ifdef BFD64
-
-#define LONGEST BFD_HOST_64_BIT
-#define ULONGEST BFD_HOST_U_64_BIT
-
-#else /* No BFD64 */
-
-#ifdef CC_HAS_LONG_LONG
-#define LONGEST long long
-#define ULONGEST unsigned long long
-#else
-#ifdef BFD_HOST_64_BIT
-/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
- (e.g. i386-windows) so try it. */
-#define LONGEST BFD_HOST_64_BIT
-#define ULONGEST BFD_HOST_U_64_BIT
-#else
-#define LONGEST long
-#define ULONGEST unsigned long
-#endif
-#endif
-
-#endif /* No BFD64 */
-
-#endif /* ! LONGEST */
-
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-#ifndef max
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
-/* Check if a character is one of the commonly used C++ marker characters. */
-extern int is_cplus_marker (int);
-
-/* Enable xdb commands if set. */
-extern int xdb_commands;
-
-/* Enable dbx commands if set. */
+/* * Enable dbx commands if set. */
extern int dbx_commands;
-/* System root path, used to find libraries etc. */
+/* * System root path, used to find libraries etc. */
extern char *gdb_sysroot;
-/* GDB datadir, used to store data files. */
-extern char *gdb_datadir;
+/* * GDB datadir, used to store data files. */
+extern std::string gdb_datadir;
-/* If non-NULL, the possibly relocated path to python's "lib" directory
+/* * If not empty, the possibly relocated path to python's "lib" directory
specified with --with-python. */
-extern char *python_libdir;
+extern std::string python_libdir;
-/* Search path for separate debug files. */
+/* * Search path for separate debug files. */
extern char *debug_file_directory;
-extern int quit_flag;
-extern int immediate_quit;
-extern int sevenbit_strings;
+/* GDB's SIGINT handler basically sets a flag; code that might take a
+ long time before it gets back to the event loop, and which ought to
+ be interruptible, checks this flag using the QUIT macro, which, if
+ GDB has the terminal, throws a quit exception.
+
+ In addition to setting a flag, the SIGINT handler also marks a
+ select/poll-able file descriptor as read-ready. That is used by
+ interruptible_select in order to support interrupting blocking I/O
+ in a race-free manner.
+
+ These functions use the extension_language_ops API to allow extension
+ language(s) and GDB SIGINT handling to coexist seamlessly. */
+
+/* * Evaluate to non-zero if the quit flag is set, zero otherwise. This
+ will clear the quit flag as a side effect. */
+extern int check_quit_flag (void);
+/* * Set the quit flag. */
+extern void set_quit_flag (void);
+
+/* The current quit handler (and its type). This is called from the
+ QUIT macro. See default_quit_handler below for default behavior.
+ Parts of GDB temporarily override this to e.g., completely suppress
+ Ctrl-C because it would not be safe to throw. E.g., normally, you
+ wouldn't want to quit between a RSP command and its response, as
+ that would break the communication with the target, but you may
+ still want to intercept the Ctrl-C and offer to disconnect if the
+ user presses Ctrl-C multiple times while the target is stuck
+ waiting for the wedged remote stub. */
+typedef void (quit_handler_ftype) (void);
+extern quit_handler_ftype *quit_handler;
+
+/* The default quit handler. Checks whether Ctrl-C was pressed, and
+ if so:
+
+ - If GDB owns the terminal, throws a quit exception.
+
+ - If GDB does not own the terminal, forwards the Ctrl-C to the
+ target.
+*/
+extern void default_quit_handler (void);
+
+/* Flag that function quit should call quit_force. */
+extern volatile int sync_quit_force_run;
extern void quit (void);
-/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
- benefits of having a ``QUIT'' macro rather than a function are
- marginal. If the overhead of a QUIT function call is proving
- significant then its calling frequency should probably be reduced
- [kingdon]. A profile analyzing the current situtation is
- needed. */
+/* Helper for the QUIT macro. */
-#define QUIT { \
- if (quit_flag) quit (); \
- if (deprecated_interactive_hook) deprecated_interactive_hook (); \
-}
+extern void maybe_quit (void);
+
+/* Check whether a Ctrl-C was typed, and if so, call the current quit
+ handler. */
+#define QUIT maybe_quit ()
-/* Languages represented in the symbol table and elsewhere.
+/* Set the serial event associated with the quit flag. */
+extern void quit_serial_event_set (void);
+
+/* Clear the serial event associated with the quit flag. */
+extern void quit_serial_event_clear (void);
+
+/* * Languages represented in the symbol table and elsewhere.
This should probably be in language.h, but since enum's can't
be forward declared to satisfy opaque references before their
- actual definition, needs to be here. */
+ actual definition, needs to be here.
+
+ The constants here are in priority order. In particular,
+ demangling is attempted according to this order.
+
+ Note that there's ambiguity between the mangling schemes of some of
+ these languages, so some symbols could be successfully demangled by
+ several languages. For that reason, the constants here are sorted
+ in the order we'll attempt demangling them. For example: Rust uses
+ C++ mangling, so must come after C++; Ada must come last (see
+ ada_sniff_from_mangled_name). (Keep this order in sync with the
+ 'languages' array in language.c.) */
enum language
{
language_unknown, /* Language not known */
language_auto, /* Placeholder for automatic setting */
language_c, /* C */
+ language_objc, /* Objective-C */
language_cplus, /* C++ */
language_d, /* D */
- language_objc, /* Objective-C */
- language_java, /* Java */
+ language_go, /* Go */
language_fortran, /* Fortran */
language_m2, /* Modula-2 */
language_asm, /* Assembly language */
language_pascal, /* Pascal */
- language_ada, /* Ada */
language_opencl, /* OpenCL */
+ language_rust, /* Rust */
language_minimal, /* All other languages, minimal support only */
+ language_ada, /* Ada */
nr_languages
};
+/* The number of bits needed to represent all languages, with enough
+ padding to allow for reasonable growth. */
+#define LANGUAGE_BITS 5
+gdb_static_assert (nr_languages <= (1 << LANGUAGE_BITS));
+
enum precision_type
{
single_precision,
unspecified_precision
};
-/* A generic, not quite boolean, enumeration. */
+/* * A generic, not quite boolean, enumeration. This is used for
+ set/show commands in which the options are on/off/automatic. */
enum auto_boolean
{
AUTO_BOOLEAN_TRUE,
AUTO_BOOLEAN_AUTO
};
-/* Potential ways that a function can return a value of a given type. */
+/* * Potential ways that a function can return a value of a given
+ type. */
+
enum return_value_convention
{
- /* Where the return value has been squeezed into one or more
+ /* * Where the return value has been squeezed into one or more
registers. */
RETURN_VALUE_REGISTER_CONVENTION,
- /* Commonly known as the "struct return convention". The caller
+ /* * Commonly known as the "struct return convention". The caller
passes an additional hidden first parameter to the caller. That
parameter contains the address at which the value being returned
should be stored. While typically, and historically, used for
large structs, this is convention is applied to values of many
different types. */
RETURN_VALUE_STRUCT_CONVENTION,
- /* Like the "struct return convention" above, but where the ABI
+ /* * Like the "struct return convention" above, but where the ABI
guarantees that the called function stores the address at which
the value being returned is stored in a well-defined location,
such as a register or memory slot in the stack frame. Don't use
this if the ABI doesn't explicitly guarantees this. */
RETURN_VALUE_ABI_RETURNS_ADDRESS,
- /* Like the "struct return convention" above, but where the ABI
+ /* * Like the "struct return convention" above, but where the ABI
guarantees that the address at which the value being returned is
stored will be available in a well-defined location, such as a
register or memory slot in the stack frame. Don't use this if
RETURN_VALUE_ABI_PRESERVES_ADDRESS,
};
-/* the cleanup list records things that have to be undone
- if an error happens (descriptors to be closed, memory to be freed, etc.)
- Each link in the chain records a function to call and an
- argument to give it.
-
- Use make_cleanup to add an element to the cleanup chain.
- Use do_cleanups to do all cleanup actions back to a given
- point in the chain. Use discard_cleanups to remove cleanups
- from the chain back to a given point, not doing them.
-
- If the argument is pointer to allocated memory, then you need to
- to additionally set the 'free_arg' member to a function that will
- free that memory. This function will be called both when the cleanup
- is executed and when it's discarded. */
-
-struct cleanup
- {
- struct cleanup *next;
- void (*function) (void *);
- void (*free_arg) (void *);
- void *arg;
- };
-
-/* Be conservative and use enum bitfields only with GCC.
- This is copied from gcc 3.3.1, system.h. */
-
-#if defined(__GNUC__) && (__GNUC__ >= 2)
-#define ENUM_BITFIELD(TYPE) enum TYPE
-#else
-#define ENUM_BITFIELD(TYPE) unsigned int
-#endif
-
-/* vec.h-style vectors of strings want a typedef for char * . */
-
-typedef char * char_ptr;
-
/* Needed for various prototypes */
struct symtab;
struct breakpoint;
struct frame_info;
struct gdbarch;
+struct value;
-/* From utils.c */
-
-extern void initialize_utils (void);
-
-extern void notice_quit (void);
-
-extern int strcmp_iw (const char *, const char *);
-
-extern int strcmp_iw_ordered (const char *, const char *);
-
-extern int streq (const char *, const char *);
-
-extern int subset_compare (char *, char *);
-
-extern char *safe_strerror (int);
-
-extern void set_display_time (int);
-
-extern void set_display_space (int);
-
-#define ALL_CLEANUPS ((struct cleanup *)0)
-
-extern void do_cleanups (struct cleanup *);
-extern void do_final_cleanups (struct cleanup *);
-
-extern void discard_cleanups (struct cleanup *);
-extern void discard_final_cleanups (struct cleanup *);
-extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
-
-/* NOTE: cagney/2000-03-04: This typedef is strictly for the
- make_cleanup function declarations below. Do not use this typedef
- as a cast when passing functions into the make_cleanup() code.
- Instead either use a bounce function or add a wrapper function.
- Calling a f(char*) function with f(void*) is non-portable. */
-typedef void (make_cleanup_ftype) (void *);
+/* From main.c. */
-extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
-
-extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
- void (*dtor) (void *));
-
-extern struct cleanup *make_cleanup_freeargv (char **);
-
-struct ui_file;
-extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
-
-struct ui_out;
-extern struct cleanup *
- make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
-
-struct section_addr_info;
-extern struct cleanup *(make_cleanup_free_section_addr_info
- (struct section_addr_info *));
-
-extern struct cleanup *make_cleanup_close (int fd);
-
-extern struct cleanup *make_cleanup_fclose (FILE *file);
-
-extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
-
-struct obstack;
-extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
-
-extern struct cleanup *make_cleanup_restore_integer (int *variable);
-extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
-
-struct target_ops;
-extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
-
-extern struct cleanup *
- make_cleanup_restore_ui_file (struct ui_file **variable);
-
-extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
-
-extern struct cleanup *make_my_cleanup (struct cleanup **,
- make_cleanup_ftype *, void *);
-
-extern struct cleanup *make_my_cleanup2 (struct cleanup **,
- make_cleanup_ftype *, void *,
- void (*free_arg) (void *));
-
-extern struct cleanup *save_cleanups (void);
-extern struct cleanup *save_final_cleanups (void);
-extern struct cleanup *save_my_cleanups (struct cleanup **);
-
-extern void restore_cleanups (struct cleanup *);
-extern void restore_final_cleanups (struct cleanup *);
-extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
-
-extern void free_current_contents (void *);
-
-extern void null_cleanup (void *);
-
-extern struct cleanup *make_command_stats_cleanup (int);
-
-extern int myread (int, char *, int);
-
-extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-
-extern void init_page_info (void);
-
-extern struct cleanup *make_cleanup_restore_page_info (void);
-extern struct cleanup *
- set_batch_flag_and_make_cleanup_restore_page_info (void);
-
-extern char *gdb_realpath (const char *);
-extern char *xfullpath (const char *);
-
-extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
- unsigned char *buf, size_t len);
-
-ULONGEST strtoulst (const char *num, const char **trailer, int base);
-
-char *ldirname (const char *filename);
-
-char **gdb_buildargv (const char *);
-
-int compare_positive_ints (const void *ap, const void *bp);
-
-/* A wrapper for bfd_errmsg to produce a more helpful error message
- in the case of bfd_error_file_ambiguously recognized.
- MATCHING, if non-NULL, is the corresponding argument to
- bfd_check_format_matches, and will be freed. */
-
-extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
-
-extern int parse_pid_to_attach (char *args);
-
-/* From demangle.c */
-
-extern void set_demangling_style (char *);
+/* This really belong in utils.c (path-utils.c?), but it references some
+ globals that are currently only available to main.c. */
+extern std::string relocate_gdb_directory (const char *initial, bool relocatable);
\f
/* Annotation stuff. */
extern int annotation_level; /* in stack.c */
\f
-extern void begin_line (void);
-
-extern void wrap_here (char *);
-
-extern void reinitialize_more_filter (void);
-
-/* Normal results */
-extern struct ui_file *gdb_stdout;
-/* Input stream */
-extern struct ui_file *gdb_stdin;
-/* Serious error notifications */
-extern struct ui_file *gdb_stderr;
-/* Log/debug/trace messages that should bypass normal stdout/stderr
- filtering. For moment, always call this stream using
- *_unfiltered. In the very near future that restriction shall be
- removed - either call shall be unfiltered. (cagney 1999-06-13). */
-extern struct ui_file *gdb_stdlog;
-/* Target output that should bypass normal stdout/stderr filtering.
- For moment, always call this stream using *_unfiltered. In the
- very near future that restriction shall be removed - either call
- shall be unfiltered. (cagney 1999-07-02). */
-extern struct ui_file *gdb_stdtarg;
-extern struct ui_file *gdb_stdtargerr;
-extern struct ui_file *gdb_stdtargin;
-
-#include "ui-file.h"
-
-/* More generic printf like operations. Filtered versions may return
- non-locally on error. */
-
-extern void fputs_filtered (const char *, struct ui_file *);
-
-extern void fputs_unfiltered (const char *, struct ui_file *);
-
-extern int fputc_filtered (int c, struct ui_file *);
-
-extern int fputc_unfiltered (int c, struct ui_file *);
-
-extern int putchar_filtered (int c);
-
-extern int putchar_unfiltered (int c);
-
-extern void puts_filtered (const char *);
-
-extern void puts_unfiltered (const char *);
-
-extern void puts_filtered_tabular (char *string, int width, int right);
-
-extern void puts_debug (char *prefix, char *string, char *suffix);
-
-extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
-
-extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
- ATTRIBUTE_PRINTF (2, 0);
-
-extern void fprintf_filtered (struct ui_file *, const char *, ...)
- ATTRIBUTE_PRINTF (2, 3);
-
-extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
- ATTRIBUTE_PRINTF (3, 4);
-
-extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-
-extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
-
-extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
-
-extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
- ATTRIBUTE_PRINTF (2, 0);
-
-extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
- ATTRIBUTE_PRINTF (2, 3);
-
-extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-
-extern void print_spaces (int, struct ui_file *);
-
-extern void print_spaces_filtered (int, struct ui_file *);
-
-extern char *n_spaces (int);
-
-extern void fputstr_filtered (const char *str, int quotr,
- struct ui_file * stream);
-
-extern void fputstr_unfiltered (const char *str, int quotr,
- struct ui_file * stream);
-
-extern void fputstrn_filtered (const char *str, int n, int quotr,
- struct ui_file * stream);
-
-extern void fputstrn_unfiltered (const char *str, int n, int quotr,
- struct ui_file * stream);
-
-/* Display the host ADDR on STREAM formatted as ``0x%x''. */
-extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
-
-extern const char *host_address_to_string (const void *addr);
-
-/* Convert CORE_ADDR to string in platform-specific manner.
- This is usually formatted similar to 0x%lx. */
-extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
-
-/* %d for LONGEST */
-extern char *plongest (LONGEST l);
-/* %u for ULONGEST */
-extern char *pulongest (ULONGEST l);
-
-extern char *phex (ULONGEST l, int sizeof_l);
-extern char *phex_nz (ULONGEST l, int sizeof_l);
-extern char *int_string (LONGEST, int, int, int, int);
-
-/* Convert a CORE_ADDR into a HEX string with leading zeros.
- The output from core_addr_to_string() can be passed direct to
- string_to_core_addr(). */
-extern const char *core_addr_to_string (const CORE_ADDR addr);
-extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
-extern CORE_ADDR string_to_core_addr (const char *my_string);
-
-/* Return a string that contains a number formatted as a hex
- string. */
-extern char *hex_string (LONGEST);
-extern char *hex_string_custom (LONGEST, int);
-
-extern void fprintf_symbol_filtered (struct ui_file *, char *,
- enum language, int);
-
-extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
-
-extern void print_sys_errmsg (const char *, int);
/* From regex.c or libc. BSD 4.4 declares this with the argument type as
"const char *" in unistd.h, so we can't declare the argument
as "char *". */
-extern char *re_comp (const char *);
+EXTERN_C char *re_comp (const char *);
/* From symfile.c */
-extern void symbol_file_command (char *, int);
-
-/* Remote targets may wish to use this as their load function. */
-extern void generic_load (char *name, int from_tty);
-
-/* Report on STREAM the performance of memory transfer operation,
- such as 'load'.
- DATA_COUNT is the number of bytes transferred.
- WRITE_COUNT is the number of separate write operations, or 0,
- if that information is not available.
- START_TIME is the time at which an operation was started.
- END_TIME is the time at which an operation ended. */
-struct timeval;
-extern void print_transfer_performance (struct ui_file *stream,
- unsigned long data_count,
- unsigned long write_count,
- const struct timeval *start_time,
- const struct timeval *end_time);
+extern void symbol_file_command (const char *, int);
/* From top.c */
typedef void initialize_file_ftype (void);
-extern char *skip_quoted (char *);
-
-extern char *gdb_readline (char *);
-
-extern char *gdb_readline_wrapper (char *);
+extern char *gdb_readline_wrapper (const char *);
-extern char *command_line_input (char *, int, char *);
+extern const char *command_line_input (const char *, const char *);
extern void print_prompt (void);
-extern int input_from_terminal_p (void);
+struct ui;
-extern int info_verbose;
+extern int input_interactive_p (struct ui *);
+
+extern bool info_verbose;
/* From printcmd.c */
extern void set_next_address (struct gdbarch *, CORE_ADDR);
-extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
- struct ui_file *, int, char *);
-
-extern int build_address_symbolic (struct gdbarch *,
- CORE_ADDR addr,
- int do_demangle,
- char **name,
- int *offset,
- char **filename,
- int *line,
- int *unmapped);
+extern int print_address_symbolic (struct gdbarch *, CORE_ADDR,
+ struct ui_file *, int,
+ const char *);
extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
extern const char *pc_prefix (CORE_ADDR);
-/* From source.c */
-
-#define OPF_TRY_CWD_FIRST 0x01
-#define OPF_SEARCH_IN_PATH 0x02
-
-extern int openp (const char *, int, const char *, int, char **);
-
-extern int source_full_path_of (const char *, char **);
-
-extern void mod_path (char *, char **);
-
-extern void add_path (char *, char **, int);
-
-extern void directory_command (char *, int);
-
-extern void directory_switch (char *, int);
-
-extern char *source_path;
-
-extern void init_source_path (void);
-
/* From exec.c */
+/* * Process memory area starting at ADDR with length SIZE. Area is
+ readable iff READ is non-zero, writable if WRITE is non-zero,
+ executable if EXEC is non-zero. Area is possibly changed against
+ its original file based copy if MODIFIED is non-zero. DATA is
+ passed without changes from a caller. */
+
typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
int read, int write, int exec,
- void *data);
+ int modified, void *data);
-/* Take over the 'find_mapped_memory' vector from exec.c. */
-extern void exec_set_find_memory_regions
- (int (*func) (find_memory_region_ftype func, void *data));
-
-/* Possible lvalue types. Like enum language, this should be in
+/* * Possible lvalue types. Like enum language, this should be in
value.h, but needs to be here for the same reason. */
enum lval_type
{
- /* Not an lval. */
+ /* * Not an lval. */
not_lval,
- /* In memory. */
+ /* * In memory. */
lval_memory,
- /* In a register. Registers are relative to a frame. */
+ /* * In a register. Registers are relative to a frame. */
lval_register,
- /* In a gdb internal variable. */
+ /* * In a gdb internal variable. */
lval_internalvar,
- /* Part of a gdb internal variable (structure field). */
+ /* * Value encapsulates a callable defined in an extension language. */
+ lval_xcallable,
+ /* * Part of a gdb internal variable (structure field). */
lval_internalvar_component,
- /* Value's bits are fetched and stored using functions provided by
- its creator. */
+ /* * Value's bits are fetched and stored using functions provided
+ by its creator. */
lval_computed
};
-/* Control types for commands */
-
-enum misc_command_type
- {
- ok_command,
- end_command,
- else_command,
- nop_command
- };
+/* * Parameters of the "info proc" command. */
-enum command_control_type
+enum info_proc_what
{
- simple_control,
- break_control,
- continue_control,
- while_control,
- if_control,
- commands_control,
- python_control,
- while_stepping_control,
- invalid_control
- };
-
-/* Structure for saved commands lines
- (for breakpoints, defined commands, etc). */
-
-struct command_line
- {
- struct command_line *next;
- char *line;
- enum command_control_type control_type;
- /* The number of elements in body_list. */
- int body_count;
- /* For composite commands, the nested lists of commands. For
- example, for "if" command this will contain the then branch and
- the else branch, if that is available. */
- struct command_line **body_list;
- };
-
-extern struct command_line *read_command_lines (char *, int, int,
- void (*)(char *, void *),
- void *);
-extern struct command_line *read_command_lines_1 (char * (*) (void), int,
- void (*)(char *, void *),
- void *);
-
-extern void free_command_lines (struct command_line **);
-
-/* To continue the execution commands when running gdb asynchronously.
- A continuation structure contains a pointer to a function to be called
- to finish the command, once the target has stopped. Such mechanism is
- used by the finish and until commands, and in the remote protocol
- when opening an extended-remote connection. */
+ /* * Display the default cmdline, cwd and exe outputs. */
+ IP_MINIMAL,
-struct continuation;
-struct thread_info;
-struct inferior;
+ /* * Display `info proc mappings'. */
+ IP_MAPPINGS,
-/* From utils.c */
+ /* * Display `info proc status'. */
+ IP_STATUS,
-/* Thread specific continuations. */
+ /* * Display `info proc stat'. */
+ IP_STAT,
-extern void add_continuation (struct thread_info *,
- void (*)(void *), void *,
- void (*)(void *));
-extern void do_all_continuations (void);
-extern void do_all_continuations_thread (struct thread_info *);
-extern void discard_all_continuations (void);
-extern void discard_all_continuations_thread (struct thread_info *);
+ /* * Display `info proc cmdline'. */
+ IP_CMDLINE,
-extern void add_intermediate_continuation (struct thread_info *,
- void (*)(void *), void *,
- void (*)(void *));
-extern void do_all_intermediate_continuations (void);
-extern void do_all_intermediate_continuations_thread (struct thread_info *);
-extern void discard_all_intermediate_continuations (void);
-extern void discard_all_intermediate_continuations_thread (struct thread_info *);
+ /* * Display `info proc exe'. */
+ IP_EXE,
-/* Inferior specific (any thread) continuations. */
+ /* * Display `info proc cwd'. */
+ IP_CWD,
-extern void add_inferior_continuation (void (*) (void *),
- void *,
- void (*) (void *));
-extern void do_all_inferior_continuations (void);
-extern void discard_all_inferior_continuations (struct inferior *inf);
+ /* * Display `info proc files'. */
+ IP_FILES,
-/* String containing the current directory (what getwd would return). */
-
-extern char *current_directory;
+ /* * Display all of the above. */
+ IP_ALL
+ };
-/* Default radixes for input and output. Only some values supported. */
+/* * Default radixes for input and output. Only some values supported. */
extern unsigned input_radix;
extern unsigned output_radix;
-/* Possibilities for prettyprint parameters to routines which print
+/* * Possibilities for prettyformat parameters to routines which print
things. Like enum language, this should be in value.h, but needs
to be here for the same reason. FIXME: If we can eliminate this
as an arg to LA_VAL_PRINT, then we can probably move it back to
value.h. */
-enum val_prettyprint
+enum val_prettyformat
{
- Val_no_prettyprint = 0,
- Val_prettyprint,
- /* Use the default setting which the user has specified. */
- Val_pretty_default
+ Val_no_prettyformat = 0,
+ Val_prettyformat,
+ /* * Use the default setting which the user has specified. */
+ Val_prettyformat_default
};
-/* The ptid struct is a collection of the various "ids" necessary
- for identifying the inferior. This consists of the process id
- (pid), thread id (tid), and other fields necessary for uniquely
- identifying the inferior process/thread being debugged. When
- manipulating ptids, the constructors, accessors, and predicate
- declared in inferior.h should be used. These are as follows:
-
- ptid_build - Make a new ptid from a pid, lwp, and tid.
- pid_to_ptid - Make a new ptid from just a pid.
- ptid_get_pid - Fetch the pid component of a ptid.
- ptid_get_lwp - Fetch the lwp component of a ptid.
- ptid_get_tid - Fetch the tid component of a ptid.
- ptid_equal - Test to see if two ptids are equal.
- ptid_is_pid - Test to see if this ptid represents a process id.
-
- Please do NOT access the struct ptid members directly (except, of
- course, in the implementation of the above ptid manipulation
- functions). */
-
-struct ptid
- {
- /* Process id */
- int pid;
-
- /* Lightweight process id */
- long lwp;
-
- /* Thread id */
- long tid;
- };
-
-typedef struct ptid ptid_t;
-
-\f
-
-/* Optional native machine support. Non-native (and possibly pure
+/* * Optional native machine support. Non-native (and possibly pure
multi-arch) targets do not need a "nm.h" file. This will be a
symlink to one of the nm-*.h files, built by the `configure'
script. */
#define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
#endif
-/* Convert a LONGEST to an int. This is used in contexts (e.g. number of
+/* * Convert a LONGEST to an int. This is used in contexts (e.g. number of
arguments to a function, number in a value history, register number, etc.)
where the value must not be larger than can fit in an int. */
extern int longest_to_int (LONGEST);
-/* Assorted functions we can declare, now that const and volatile are
- defined. */
-
-extern char *savestring (const char *, size_t);
-
-/* xmalloc(), xrealloc() and xcalloc() have already been declared in
- "libiberty.h". */
-extern void xfree (void *);
-
-/* Like xmalloc, but zero the memory. */
-extern void *xzalloc (size_t);
-
-/* Utility macros to allocate typed memory. Avoids errors like:
- struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
- sizeof (struct foo), 0). */
-#define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
-#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
-#define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
-
-/* Like asprintf/vasprintf but get an internal_error if the call
- fails. */
-extern void xasprintf (char **ret, const char *format, ...)
- ATTRIBUTE_PRINTF (2, 3);
-extern void xvasprintf (char **ret, const char *format, va_list ap)
- ATTRIBUTE_PRINTF (2, 0);
-
-/* Like asprintf and vasprintf, but return the string, throw an error
- if no memory. */
-extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
-extern char *xstrvprintf (const char *format, va_list ap)
- ATTRIBUTE_PRINTF (1, 0);
-
-/* Like snprintf, but throw an error if the output buffer is too small. */
-extern int xsnprintf (char *str, size_t size, const char *format, ...)
- ATTRIBUTE_PRINTF (3, 4);
-
-extern int parse_escape (struct gdbarch *, char **);
-
-/* Message to be printed before the error message, when an error occurs. */
-
-extern char *error_pre_print;
-
-/* Message to be printed before the error message, when an error occurs. */
-
-extern char *quit_pre_print;
-
-/* Message to be printed before the warning message, when a warning occurs. */
-
-extern char *warning_pre_print;
-
-extern void verror (const char *fmt, va_list ap)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
-
-extern void error (const char *fmt, ...)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
-
-extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
-
-extern void vfatal (const char *fmt, va_list ap)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
-
-extern void fatal (const char *fmt, ...)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
-
-extern void internal_verror (const char *file, int line, const char *,
- va_list ap)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
-
-extern void internal_error (const char *file, int line, const char *, ...)
- ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
-
-extern void internal_vwarning (const char *file, int line,
- const char *, va_list ap)
- ATTRIBUTE_PRINTF (3, 0);
-
-extern void internal_warning (const char *file, int line,
- const char *, ...) ATTRIBUTE_PRINTF (3, 4);
-
-extern void nomem (long) ATTRIBUTE_NORETURN;
-
-extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-
-extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
-
-/* List of known OS ABIs. If you change this, make sure to update the
+/* * List of known OS ABIs. If you change this, make sure to update the
table in osabi.c. */
enum gdb_osabi
{
- GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
-
GDB_OSABI_UNKNOWN = 0, /* keep this zero */
+ GDB_OSABI_NONE,
GDB_OSABI_SVR4,
GDB_OSABI_HURD,
GDB_OSABI_SOLARIS,
- GDB_OSABI_OSF1,
GDB_OSABI_LINUX,
- GDB_OSABI_FREEBSD_AOUT,
- GDB_OSABI_FREEBSD_ELF,
- GDB_OSABI_NETBSD_AOUT,
- GDB_OSABI_NETBSD_ELF,
- GDB_OSABI_OPENBSD_ELF,
+ GDB_OSABI_FREEBSD,
+ GDB_OSABI_NETBSD,
+ GDB_OSABI_OPENBSD,
GDB_OSABI_WINCE,
GDB_OSABI_GO32,
- GDB_OSABI_IRIX,
- GDB_OSABI_INTERIX,
- GDB_OSABI_HPUX_ELF,
- GDB_OSABI_HPUX_SOM,
GDB_OSABI_QNXNTO,
GDB_OSABI_CYGWIN,
GDB_OSABI_AIX,
GDB_OSABI_DICOS,
GDB_OSABI_DARWIN,
GDB_OSABI_SYMBIAN,
+ GDB_OSABI_OPENVMS,
+ GDB_OSABI_LYNXOS178,
+ GDB_OSABI_NEWLIB,
+ GDB_OSABI_SDE,
+ GDB_OSABI_PIKEOS,
GDB_OSABI_INVALID /* keep this last */
};
-/* Global functions from other, non-gdb GNU thingies.
- Libiberty thingies are no longer declared here. We include libiberty.h
- above, instead. */
-
-/* From other system libraries */
+/* Enumerate the requirements a symbol has in order to be evaluated.
+ These are listed in order of "strength" -- a later entry subsumes
+ earlier ones. This fine-grained distinction is important because
+ it allows for the evaluation of a TLS symbol during unwinding --
+ when unwinding one has access to registers, but not the frame
+ itself, because that is being constructed. */
-#ifdef HAVE_STDDEF_H
-#include <stddef.h>
-#endif
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-#ifndef max
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
-
-#ifndef atof
-extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
-#endif
-
-/* Various possibilities for alloca. */
-#ifndef alloca
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* Not GNU C */
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#else
-#ifdef _AIX
-#pragma alloca
-#else
-
-/* We need to be careful not to declare this in a way which conflicts with
- bison. Bison never declares it as char *, but under various circumstances
- (like __hpux) we need to use void *. */
-extern void *alloca ();
-#endif /* Not _AIX */
-#endif /* Not HAVE_ALLOCA_H */
-#endif /* Not GNU C */
-#endif /* alloca not defined */
-
-/* Dynamic target-system-dependent parameters for GDB. */
-#include "gdbarch.h"
-
-/* Maximum size of a register. Something small, but large enough for
- all known ISAs. If it turns out to be too small, make it bigger. */
-
-enum { MAX_REGISTER_SIZE = 64 };
-
-/* Static target-system-dependent parameters for GDB. */
-
-/* Number of bits in a char or unsigned char for the target machine.
- Just like CHAR_BIT in <limits.h> but describes the target machine. */
-#if !defined (TARGET_CHAR_BIT)
-#define TARGET_CHAR_BIT 8
-#endif
+enum symbol_needs_kind
+{
+ /* No special requirements -- just memory. */
+ SYMBOL_NEEDS_NONE,
-/* If we picked up a copy of CHAR_BIT from a configuration file
- (which may get it by including <limits.h>) then use it to set
- the number of bits in a host char. If not, use the same size
- as the target. */
+ /* The symbol needs registers. */
+ SYMBOL_NEEDS_REGISTERS,
-#if defined (CHAR_BIT)
-#define HOST_CHAR_BIT CHAR_BIT
-#else
-#define HOST_CHAR_BIT TARGET_CHAR_BIT
-#endif
+ /* The symbol needs a frame. */
+ SYMBOL_NEEDS_FRAME
+};
/* In findvar.c. */
-extern LONGEST extract_signed_integer (const gdb_byte *, int,
- enum bfd_endian);
+template<typename T, typename = RequireLongest<T>>
+T extract_integer (const gdb_byte *addr, int len, enum bfd_endian byte_order);
-extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
- enum bfd_endian);
+static inline LONGEST
+extract_signed_integer (const gdb_byte *addr, int len,
+ enum bfd_endian byte_order)
+{
+ return extract_integer<LONGEST> (addr, len, byte_order);
+}
+
+static inline ULONGEST
+extract_unsigned_integer (const gdb_byte *addr, int len,
+ enum bfd_endian byte_order)
+{
+ return extract_integer<ULONGEST> (addr, len, byte_order);
+}
extern int extract_long_unsigned_integer (const gdb_byte *, int,
enum bfd_endian, LONGEST *);
extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
struct type *type);
-extern void store_signed_integer (gdb_byte *, int,
- enum bfd_endian, LONGEST);
+/* All 'store' functions accept a host-format integer and store a
+ target-format integer at ADDR which is LEN bytes long. */
+
+template<typename T, typename = RequireLongest<T>>
+extern void store_integer (gdb_byte *addr, int len, enum bfd_endian byte_order,
+ T val);
-extern void store_unsigned_integer (gdb_byte *, int,
- enum bfd_endian, ULONGEST);
+static inline void
+store_signed_integer (gdb_byte *addr, int len,
+ enum bfd_endian byte_order, LONGEST val)
+{
+ return store_integer (addr, len, byte_order, val);
+}
+
+static inline void
+store_unsigned_integer (gdb_byte *addr, int len,
+ enum bfd_endian byte_order, ULONGEST val)
+{
+ return store_integer (addr, len, byte_order, val);
+}
extern void store_typed_address (gdb_byte *buf, struct type *type,
CORE_ADDR addr);
-\f
-/* From valops.c */
-
-extern int watchdog;
+extern void copy_integer_to_size (gdb_byte *dest, int dest_size,
+ const gdb_byte *source, int source_size,
+ bool is_signed, enum bfd_endian byte_order);
/* Hooks for alternate command interfaces. */
-/* The name of the interpreter if specified on the command line. */
-extern char *interpreter_p;
-
-/* If a given interpreter matches INTERPRETER_P then it should update
- deprecated_command_loop_hook and deprecated_init_ui_hook with the
- per-interpreter implementation. */
-/* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
- should be moved here. */
-
struct target_waitstatus;
struct cmd_list_element;
extern void (*deprecated_post_add_symbol_hook) (void);
extern void (*selected_frame_level_changed_hook) (int);
extern int (*deprecated_ui_loop_hook) (int signo);
-extern void (*deprecated_init_ui_hook) (char *argv0);
-extern void (*deprecated_command_loop_hook) (void);
extern void (*deprecated_show_load_progress) (const char *section,
unsigned long section_sent,
unsigned long section_size,
ATTRIBUTE_FPTR_PRINTF(1,0);
extern void (*deprecated_warning_hook) (const char *, va_list)
ATTRIBUTE_FPTR_PRINTF(1,0);
-extern void (*deprecated_flush_hook) (struct ui_file * stream);
-extern void (*deprecated_interactive_hook) (void);
-extern void (*deprecated_readline_begin_hook) (char *, ...)
+extern void (*deprecated_readline_begin_hook) (const char *, ...)
ATTRIBUTE_FPTR_PRINTF_1;
-extern char *(*deprecated_readline_hook) (char *);
+extern char *(*deprecated_readline_hook) (const char *);
extern void (*deprecated_readline_end_hook) (void);
-extern void (*deprecated_register_changed_hook) (int regno);
extern void (*deprecated_context_hook) (int);
extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
struct target_waitstatus *status,
extern void (*deprecated_attach_hook) (void);
extern void (*deprecated_detach_hook) (void);
extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
- char *cmd, int from_tty);
-
-extern void (*deprecated_set_hook) (struct cmd_list_element * c);
-
-extern void (*deprecated_error_begin_hook) (void);
+ const char *cmd, int from_tty);
extern int (*deprecated_ui_load_progress_hook) (const char *section,
unsigned long num);
-
-/* Inhibit window interface if non-zero. */
-
-extern int use_windows;
-
-/* Definitions of filename-related things. */
-
-/* Host specific things. */
-
-#ifdef __MSDOS__
-# define CANT_FORK
-# define GLOBAL_CURDIR
-# define DIRNAME_SEPARATOR ';'
-#endif
-
-#if !defined (__CYGWIN__) && defined (_WIN32)
-# define DIRNAME_SEPARATOR ';'
-#endif
-
-#ifndef DIRNAME_SEPARATOR
-#define DIRNAME_SEPARATOR ':'
-#endif
-
-#ifndef SLASH_STRING
-#define SLASH_STRING "/"
-#endif
-
-/* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
- The name ``TIDGET'' is a historical accident. Many uses of TIDGET
- in the code actually refer to a lightweight process id, i.e,
- something that can be considered a process id in its own right for
- certain purposes. */
-
-#ifndef PIDGET
-#define PIDGET(PTID) (ptid_get_pid (PTID))
-#define TIDGET(PTID) (ptid_get_lwp (PTID))
-#define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
-#endif
-
-/* Define well known filenos if the system does not define them. */
-#ifndef STDIN_FILENO
-#define STDIN_FILENO 0
-#endif
-#ifndef STDOUT_FILENO
-#define STDOUT_FILENO 1
-#endif
-#ifndef STDERR_FILENO
-#define STDERR_FILENO 2
-#endif
-
/* If this definition isn't overridden by the header files, assume
that isatty and fileno exist on this system. */
#ifndef ISATTY
#define ISATTY(FP) (isatty (fileno (FP)))
#endif
-/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
- power of 2). Round up/down when necessary. Examples of correct
- use include:
-
- addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
- write_memory (addr, value, len);
- addr += len;
+/* * A width that can achieve a better legibility for GDB MI mode. */
+#define GDB_MI_MSG_WIDTH 80
- and:
-
- sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
- write_memory (sp, value, len);
-
- Note that uses such as:
+/* From progspace.c */
- write_memory (addr, value, len);
- addr += align_up (len, 8);
+extern void initialize_progspace (void);
+extern void initialize_inferiors (void);
- and:
+/* * Special block numbers */
- sp -= align_up (len, 8);
- write_memory (sp, value, len);
+enum block_enum
+{
+ GLOBAL_BLOCK = 0,
+ STATIC_BLOCK = 1,
+ FIRST_LOCAL_BLOCK = 2
+};
- are typically not correct as they don't ensure that the address (SP
- or ADDR) is correctly aligned (relying on previous alignment to
- keep things right). This is also why the methods are called
- "align_..." instead of "round_..." as the latter reads better with
- this incorrect coding style. */
+/* User selection used in observable.h and multiple print functions. */
-extern ULONGEST align_up (ULONGEST v, int n);
-extern ULONGEST align_down (ULONGEST v, int n);
+enum user_selected_what_flag
+ {
+ /* Inferior selected. */
+ USER_SELECTED_INFERIOR = 1 << 1,
-/* Allocation and deallocation functions for the libiberty hash table
- which use obstacks. */
-void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
-void dummy_obstack_deallocate (void *object, void *data);
+ /* Thread selected. */
+ USER_SELECTED_THREAD = 1 << 2,
-/* From progspace.c */
+ /* Frame selected. */
+ USER_SELECTED_FRAME = 1 << 3
+ };
+DEF_ENUM_FLAGS_TYPE (enum user_selected_what_flag, user_selected_what);
-extern void initialize_progspace (void);
-extern void initialize_inferiors (void);
+#include "utils.h"
#endif /* #ifndef DEFS_H */
projects / deliverable / binutils-gdb.git / blobdiff