/tmp/gdb-8.1/gdb/auxv.c File Reference

#include "defs.h"
#include "target.h"
#include "gdbtypes.h"
#include "command.h"
#include "inferior.h"
#include "valprint.h"
#include "gdbcore.h"
#include "observer.h"
#include "filestuff.h"
#include "objfiles.h"
#include "auxv.h"
#include "elf/common.h"
#include <unistd.h>
#include <fcntl.h>

Go to the source code of this file.

Classes
struct	auxv_info

Macros
#define	TAG(tag, text, kind)   case tag: name = #tag; description = text; format = kind; break

Functions
static enum target_xfer_status	procfs_xfer_auxv (gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
static enum target_xfer_status	ld_so_xfer_auxv (gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
enum target_xfer_status	memory_xfer_auxv (struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
int	default_auxv_parse (struct target_ops *ops, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
int	target_auxv_parse (struct target_ops *ops, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
static void	auxv_inferior_data_cleanup (struct inferior *inf, void *arg)
static void	invalidate_auxv_cache_inf (struct inferior *inf)
static void	invalidate_auxv_cache (void)
static struct auxv_info *	get_auxv_inferior_data (struct target_ops *ops)
int	target_auxv_search (struct target_ops *ops, CORE_ADDR match, CORE_ADDR *valp)
void	fprint_auxv_entry (struct ui_file *file, const char *name, const char *description, enum auxv_format format, CORE_ADDR type, CORE_ADDR val)
void	default_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val)
int	fprint_target_auxv (struct ui_file *file, struct target_ops *ops)
static void	info_auxv_command (const char *cmd, int from_tty)
void	_initialize_auxv (void)

Variables
static const struct inferior_data *	auxv_inferior_data

Macro Definition Documentation

TAG

#define TAG	(		tag,
			text,
			kind
	)		case tag: name = #tag; description = text; format = kind; break

Referenced by default_print_auxv_entry().

Function Documentation

_initialize_auxv()

void _initialize_auxv

(

void

)

Definition at line 571 of file auxv.c.

References _, add_info(), auxv_inferior_data, auxv_inferior_data_cleanup(), info_auxv_command(), invalidate_auxv_cache(), invalidate_auxv_cache_inf(), observer_attach_executable_changed(), observer_attach_inferior_appeared(), and observer_attach_inferior_exit().

auxv_inferior_data_cleanup()

static void auxv_inferior_data_cleanup ( struct inferior *  inf, void *  arg  )

static

Definition at line 319 of file auxv.c.

References auxv_inferior_data, auxv_info::data, and xfree().

Referenced by _initialize_auxv(), and invalidate_auxv_cache_inf().

default_auxv_parse()

int default_auxv_parse	(	struct target_ops *	ops,
		gdb_byte **	readptr,
		gdb_byte *	endptr,
		CORE_ADDR *	typep,
		CORE_ADDR *	valp
	)

Definition at line 258 of file auxv.c.

References extract_unsigned_integer(), gdbarch_byte_order(), gdbarch_ptr_bit(), TARGET_CHAR_BIT, and target_gdbarch().

Referenced by install_dummy_methods().

default_print_auxv_entry()

void default_print_auxv_entry	(	struct gdbarch *	gdbarch,
		struct ui_file *	file,
		CORE_ADDR	type,
		CORE_ADDR	val
	)

Definition at line 445 of file auxv.c.

References _, AUXV_FORMAT_DEC, AUXV_FORMAT_HEX, AUXV_FORMAT_STR, value_print_options::format, fprint_auxv_entry(), name, and TAG.

Referenced by fbsd_print_auxv_entry(), and gdbarch_alloc().

fprint_auxv_entry()

void fprint_auxv_entry	(	struct ui_file *	file,
		const char *	name,
		const char *	description,
		enum auxv_format	format,
		CORE_ADDR	type,
		CORE_ADDR	val
	)

Definition at line 413 of file auxv.c.

References value_print_options::addressprint, AUXV_FORMAT_DEC, AUXV_FORMAT_HEX, AUXV_FORMAT_STR, fprintf_filtered(), get_user_print_options(), name, paddress(), plongest(), target_gdbarch(), and val_print_string().

Referenced by default_print_auxv_entry(), and fbsd_print_auxv_entry().

fprint_target_auxv()

int fprint_target_auxv	(	struct ui_file *	file,
		struct target_ops *	ops
	)

Definition at line 527 of file auxv.c.

References gdbarch::data, auxv_info::data, gdbarch_print_auxv_entry(), get_auxv_inferior_data(), auxv_info::length, target_auxv_parse(), target_gdbarch(), and type.

Referenced by info_auxv_command().

get_auxv_inferior_data()

static struct auxv_info* get_auxv_inferior_data ( struct target_ops *  ops )

static

Definition at line 353 of file auxv.c.

References auxv_inferior_data, current_inferior(), auxv_info::data, auxv_info::length, TARGET_OBJECT_AUXV, target_read_alloc(), and XCNEW.

Referenced by fprint_target_auxv(), and target_auxv_search().

info_auxv_command()

static void info_auxv_command ( const char *  cmd, int  from_tty  )

static

Definition at line 555 of file auxv.c.

References _, current_target, error(), fprint_target_auxv(), gdb_stdout, and target_has_stack.

Referenced by _initialize_auxv().

invalidate_auxv_cache()

static void invalidate_auxv_cache ( void  )

static

Definition at line 343 of file auxv.c.

References current_inferior(), and invalidate_auxv_cache_inf().

Referenced by _initialize_auxv().

invalidate_auxv_cache_inf()

static void invalidate_auxv_cache_inf ( struct inferior *  inf )

static

Definition at line 335 of file auxv.c.

References auxv_inferior_data_cleanup().

Referenced by _initialize_auxv(), and invalidate_auxv_cache().

ld_so_xfer_auxv()

static enum target_xfer_status ld_so_xfer_auxv ( gdb_byte *  readbuf, const gdb_byte *  writebuf, ULONGEST  offset, ULONGEST  len, ULONGEST *  xfered_len  )

static

Definition at line 83 of file auxv.c.

References BMSYMBOL_VALUE_ADDRESS, builtin_type::builtin_data_ptr, builtin_type(), extract_typed_address(), gdb_assert, lookup_minimal_symbol(), bound_minimal_symbol::minsym, MSYMBOL_SIZE, offset, target_gdbarch(), target_read_memory(), target_write_memory(), TARGET_XFER_E_IO, TARGET_XFER_EOF, TARGET_XFER_OK, and TYPE_LENGTH.

Referenced by memory_xfer_auxv().

memory_xfer_auxv()

enum target_xfer_status memory_xfer_auxv	(	struct target_ops *	ops,
		enum target_object	object,
		const char *	annex,
		gdb_byte *	readbuf,
		const gdb_byte *	writebuf,
		ULONGEST	offset,
		ULONGEST	len,
		ULONGEST *	xfered_len
	)

Definition at line 223 of file auxv.c.

References current_inferior(), gdb_assert, ld_so_xfer_auxv(), offset, procfs_xfer_auxv(), TARGET_OBJECT_AUXV, and TARGET_XFER_E_IO.

procfs_xfer_auxv()

static enum target_xfer_status procfs_xfer_auxv ( gdb_byte *  readbuf, const gdb_byte *  writebuf, ULONGEST  offset, ULONGEST  len, ULONGEST *  xfered_len  )

static

Definition at line 43 of file auxv.c.

References gdb_open_cloexec(), inferior_ptid, offset, ptid_get_pid(), read(), SEEK_SET, TARGET_XFER_E_IO, TARGET_XFER_EOF, TARGET_XFER_OK, xfree(), and xstrprintf().

Referenced by memory_xfer_auxv().

target_auxv_parse()

int target_auxv_parse	(	struct target_ops *	ops,
		gdb_byte **	readptr,
		gdb_byte *	endptr,
		CORE_ADDR *	typep,
		CORE_ADDR *	valp
	)

Definition at line 286 of file auxv.c.

References current_target, gdbarch_auxv_parse(), gdbarch_auxv_parse_p(), target_gdbarch(), and target_ops::to_auxv_parse.

Referenced by fprint_target_auxv(), and target_auxv_search().

target_auxv_search()

int target_auxv_search	(	struct target_ops *	ops,
		CORE_ADDR	match,
		CORE_ADDR *	valp
	)

Definition at line 375 of file auxv.c.

References auxv_info::data, get_auxv_inferior_data(), auxv_info::length, target_auxv_parse(), and type.

Referenced by aarch64_linux_core_read_description(), adi_available(), arm_fbsd_read_description_auxv(), arm_linux_core_read_description(), arm_linux_read_description(), elf_gnu_ifunc_resolve_addr(), enable_break(), linux_displaced_step_location(), linux_is_uclinux(), linux_vsyscall_range_raw(), ppc_linux_get_hwcap(), ppc_process_record_op31(), read_program_header(), s390_core_read_description(), s390_read_description(), and svr4_exec_displacement().

Variable Documentation

auxv_inferior_data

const struct inferior_data* auxv_inferior_data

static

Definition at line 300 of file auxv.c.

Referenced by _initialize_auxv(), auxv_inferior_data_cleanup(), and get_auxv_inferior_data().