/home/stan/gdb/src/gdb/ia64-libunwind-tdep.c File Reference

#include "defs.h"
#include "inferior.h"
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "gdbtypes.h"
#include "symtab.h"
#include "objfiles.h"
#include "regcache.h"
#include <dlfcn.h>
#include "gdb_assert.h"
#include "gdb_string.h"
#include "ia64-libunwind-tdep.h"
#include "complaints.h"

Go to the source code of this file.

Classes
struct	libunwind_frame_cache
Defines
#define	__LITTLE_ENDIAN   1234
#define	__BIG_ENDIAN   4321
#define	STRINGIFY2(name)   #name
#define	STRINGIFY(name)   STRINGIFY2(name)
#define	LIBUNWIND_SO   "libunwind-" STRINGIFY(UNW_TARGET) ".so.8"
#define	LIBUNWIND_SO_7   "libunwind-" STRINGIFY(UNW_TARGET) ".so.7"
Functions
static struct libunwind_descr *	libunwind_descr (struct gdbarch *gdbarch)
static void *	libunwind_descr_init (struct gdbarch *gdbarch)
void	libunwind_frame_set_descr (struct gdbarch *gdbarch, struct libunwind_descr *descr)
static struct libunwind_frame_cache *	libunwind_frame_cache (struct frame_info *this_frame, void **this_cache)
void	libunwind_frame_dealloc_cache (struct frame_info *self, void *this_cache)
unw_word_t	libunwind_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg)
int	libunwind_frame_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_cache)
void	libunwind_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id)
struct value *	libunwind_frame_prev_register (struct frame_info *this_frame, void **this_cache, int regnum)
int	libunwind_search_unwind_table (void *as, long ip, void *di, void *pi, int need_unwind_info, void *args)
int	libunwind_sigtramp_frame_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_cache)
int	libunwind_get_reg_special (struct gdbarch *gdbarch, struct regcache *regcache, int regnum, void *buf)
static int	libunwind_load (void)
int	libunwind_is_initialized (void)
void	_initialize_libunwind_frame (void)
Variables
static int	libunwind_initialized
static struct gdbarch_data *	libunwind_descr_handle
static int(*	unw_get_reg_p )(unw_cursor_t *, unw_regnum_t, unw_word_t *)
static int(*	unw_get_fpreg_p )(unw_cursor_t *, unw_regnum_t, unw_fpreg_t *)
static int(*	unw_get_saveloc_p )(unw_cursor_t *, unw_regnum_t, unw_save_loc_t *)
static int(*	unw_is_signal_frame_p )(unw_cursor_t *)
static int(*	unw_step_p )(unw_cursor_t *)
static int(*	unw_init_remote_p )(unw_cursor_t *, unw_addr_space_t, void *)
static unw_addr_space_t(*	unw_create_addr_space_p )(unw_accessors_t *, int)
static void(*	unw_destroy_addr_space_p )(unw_addr_space_t)
static int(*	unw_search_unwind_table_p )(unw_addr_space_t, unw_word_t, unw_dyn_info_t *, unw_proc_info_t *, int, void *)
static unw_word_t(*	unw_find_dyn_list_p )(unw_addr_space_t, unw_dyn_info_t *, void *)
static char *	get_reg_name = STRINGIFY(UNW_OBJ(get_reg))
static char *	get_fpreg_name = STRINGIFY(UNW_OBJ(get_fpreg))
static char *	get_saveloc_name = STRINGIFY(UNW_OBJ(get_save_loc))
static char *	is_signal_frame_name = STRINGIFY(UNW_OBJ(is_signal_frame))
static char *	step_name = STRINGIFY(UNW_OBJ(step))
static char *	init_remote_name = STRINGIFY(UNW_OBJ(init_remote))
static char *	create_addr_space_name = STRINGIFY(UNW_OBJ(create_addr_space))
static char *	destroy_addr_space_name = STRINGIFY(UNW_OBJ(destroy_addr_space))
static char *	search_unwind_table_name = STRINGIFY(UNW_OBJ(search_unwind_table))
static char *	find_dyn_list_name = STRINGIFY(UNW_OBJ(find_dyn_list))

---

Define Documentation

#define __BIG_ENDIAN   4321

Definition at line 58 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_sniffer(), libunwind_get_reg_special(), and libunwind_sigtramp_frame_sniffer().

#define __LITTLE_ENDIAN   1234

Definition at line 55 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_sniffer(), libunwind_get_reg_special(), and libunwind_sigtramp_frame_sniffer().

#define LIBUNWIND_SO   "libunwind-" STRINGIFY(UNW_TARGET) ".so.8"

Definition at line 98 of file ia64-libunwind-tdep.c.

Referenced by libunwind_load().

#define LIBUNWIND_SO_7   "libunwind-" STRINGIFY(UNW_TARGET) ".so.7"

Definition at line 102 of file ia64-libunwind-tdep.c.

Referenced by libunwind_load().

#define STRINGIFY

(

name

)

STRINGIFY2(name)

Definition at line 93 of file ia64-libunwind-tdep.c.

#define STRINGIFY2

(

name

)

#name

Definition at line 92 of file ia64-libunwind-tdep.c.

---

Function Documentation

void _initialize_libunwind_frame

(

void

)

Definition at line 576 of file ia64-libunwind-tdep.c.

References gdbarch_data_register_post_init(), libunwind_descr_init(), libunwind_initialized, and libunwind_load().

static struct libunwind_descr* libunwind_descr

(

struct gdbarch *

gdbarch

)

[static, read]

Definition at line 118 of file ia64-libunwind-tdep.c.

References gdbarch_data().

Referenced by libunwind_frame_cache(), libunwind_frame_prev_register(), libunwind_frame_sniffer(), libunwind_get_reg_special(), and libunwind_sigtramp_frame_sniffer().

static void* libunwind_descr_init

(

struct gdbarch *

gdbarch

)

[static]

Definition at line 124 of file ia64-libunwind-tdep.c.

References GDBARCH_OBSTACK_ZALLOC.

Referenced by _initialize_libunwind_frame(), and libunwind_frame_set_descr().

unw_word_t libunwind_find_dyn_list	(	unw_addr_space_t	as,
		unw_dyn_info_t *	di,
		void *	arg
	)

Definition at line 243 of file ia64-libunwind-tdep.c.

References unw_find_dyn_list_p.

static struct libunwind_frame_cache* libunwind_frame_cache	(	struct frame_info *	this_frame,
		void **	this_cache
	)		[static, read]

Definition at line 159 of file ia64-libunwind-tdep.c.

References _, __BIG_ENDIAN, __LITTLE_ENDIAN, libunwind_descr::accessors, libunwind_frame_cache::as, libunwind_frame_cache::base, libunwind_frame_cache::cursor, error(), FRAME_OBSTACK_ZALLOC, libunwind_frame_cache::func_addr, libunwind_descr::gdb2uw, gdbarch_byte_order(), gdbarch_sp_regnum(), get_frame_arch(), get_frame_func(), get_frame_pc(), libunwind_descr(), unw_create_addr_space_p, unw_destroy_addr_space_p, unw_get_reg_p, unw_init_remote_p, and unw_step_p.

Referenced by libunwind_frame_prev_register(), and libunwind_frame_this_id().

void libunwind_frame_dealloc_cache	(	struct frame_info *	self,
		void *	this_cache
	)

Definition at line 234 of file ia64-libunwind-tdep.c.

References libunwind_frame_cache::as, and unw_destroy_addr_space_p.

struct value* libunwind_frame_prev_register	(	struct frame_info *	this_frame,
		void **	this_cache,
		int	regnum
	)		[read]

Definition at line 308 of file ia64-libunwind-tdep.c.

References _, frame_info::addr, libunwind_frame_cache::cursor, error(), frame_unwind_got_bytes(), frame_unwind_got_constant(), frame_unwind_got_memory(), frame_unwind_got_register(), libunwind_descr::gdb2uw, gdb_assert, get_frame_arch(), libunwind_descr::is_fpreg, libunwind_descr(), libunwind_frame_cache(), target_has_registers, unw_get_fpreg_p, unw_get_reg_p, unw_get_saveloc_p, and libunwind_descr::uw2gdb.

void libunwind_frame_set_descr	(	struct gdbarch *	gdbarch,
		struct libunwind_descr *	descr
	)

Definition at line 133 of file ia64-libunwind-tdep.c.

References libunwind_descr::accessors, deprecated_set_gdbarch_data(), libunwind_descr::gdb2uw, gdb_assert, gdbarch_data(), libunwind_descr::is_fpreg, libunwind_descr_init(), libunwind_descr::special_accessors, and libunwind_descr::uw2gdb.

Referenced by ia64_gdbarch_init(), and ia64_openvms_init_abi().

int libunwind_frame_sniffer	(	const struct frame_unwind *	self,
		struct frame_info *	this_frame,
		void **	this_cache
	)

Definition at line 251 of file ia64-libunwind-tdep.c.

References __BIG_ENDIAN, __LITTLE_ENDIAN, libunwind_descr::accessors, libunwind_frame_cache::as, libunwind_frame_cache::cursor, gdbarch_byte_order(), get_frame_arch(), libunwind_descr(), unw_create_addr_space_p, unw_destroy_addr_space_p, unw_init_remote_p, and unw_is_signal_frame_p.

void libunwind_frame_this_id	(	struct frame_info *	this_frame,
		void **	this_cache,
		struct frame_id *	this_id
	)

Definition at line 297 of file ia64-libunwind-tdep.c.

References libunwind_frame_cache::base, frame_id_build(), libunwind_frame_cache::func_addr, and libunwind_frame_cache().

int libunwind_get_reg_special	(	struct gdbarch *	gdbarch,
		struct regcache *	regcache,
		int	regnum,
		void *	buf
	)

Definition at line 441 of file ia64-libunwind-tdep.c.

References __BIG_ENDIAN, __LITTLE_ENDIAN, libunwind_descr::gdb2uw, gdbarch_byte_order(), libunwind_descr::is_fpreg, libunwind_descr(), memcpy(), register_size(), libunwind_descr::special_accessors, unw_create_addr_space_p, unw_destroy_addr_space_p, unw_get_fpreg_p, unw_get_reg_p, and unw_init_remote_p.

Referenced by ia64_pseudo_register_read().

int libunwind_is_initialized

(

void

)

Definition at line 567 of file ia64-libunwind-tdep.c.

References libunwind_initialized.

Referenced by ia64_pseudo_register_read().

static int libunwind_load

(

void

)

[static]

Definition at line 495 of file ia64-libunwind-tdep.c.

References _, fprintf_unfiltered(), gdb_stderr, get_reg_name, LIBUNWIND_SO, LIBUNWIND_SO_7, search_unwind_table_name, unw_create_addr_space_p, unw_destroy_addr_space_p, unw_find_dyn_list_p, unw_get_fpreg_p, unw_get_reg_p, unw_get_saveloc_p, unw_init_remote_p, unw_is_signal_frame_p, unw_search_unwind_table_p, unw_step_p, and xfree().

Referenced by _initialize_libunwind_frame().

int libunwind_search_unwind_table	(	void *	as,
		long	ip,
		void *	di,
		void *	pi,
		int	need_unwind_info,
		void *	args
	)

Definition at line 383 of file ia64-libunwind-tdep.c.

References unw_search_unwind_table_p.

int libunwind_sigtramp_frame_sniffer	(	const struct frame_unwind *	self,
		struct frame_info *	this_frame,
		void **	this_cache
	)

Definition at line 392 of file ia64-libunwind-tdep.c.

References __BIG_ENDIAN, __LITTLE_ENDIAN, libunwind_descr::accessors, gdbarch_byte_order(), get_frame_arch(), libunwind_descr(), unw_create_addr_space_p, unw_destroy_addr_space_p, unw_init_remote_p, and unw_is_signal_frame_p.

---

Variable Documentation

char* create_addr_space_name = STRINGIFY(UNW_OBJ(create_addr_space)) [static]

Definition at line 111 of file ia64-libunwind-tdep.c.

char* destroy_addr_space_name = STRINGIFY(UNW_OBJ(destroy_addr_space)) [static]

Definition at line 112 of file ia64-libunwind-tdep.c.

char* find_dyn_list_name = STRINGIFY(UNW_OBJ(find_dyn_list)) [static]

Definition at line 115 of file ia64-libunwind-tdep.c.

char* get_fpreg_name = STRINGIFY(UNW_OBJ(get_fpreg)) [static]

Definition at line 106 of file ia64-libunwind-tdep.c.

char* get_reg_name = STRINGIFY(UNW_OBJ(get_reg)) [static]

Definition at line 105 of file ia64-libunwind-tdep.c.

Referenced by libunwind_load().

char* get_saveloc_name = STRINGIFY(UNW_OBJ(get_save_loc)) [static]

Definition at line 107 of file ia64-libunwind-tdep.c.

char* init_remote_name = STRINGIFY(UNW_OBJ(init_remote)) [static]

Definition at line 110 of file ia64-libunwind-tdep.c.

char* is_signal_frame_name = STRINGIFY(UNW_OBJ(is_signal_frame)) [static]

Definition at line 108 of file ia64-libunwind-tdep.c.

struct gdbarch_data* libunwind_descr_handle [static]

Definition at line 62 of file ia64-libunwind-tdep.c.

int libunwind_initialized [static]

Definition at line 61 of file ia64-libunwind-tdep.c.

Referenced by _initialize_libunwind_frame(), and libunwind_is_initialized().

char* search_unwind_table_name = STRINGIFY(UNW_OBJ(search_unwind_table)) [static]

Definition at line 114 of file ia64-libunwind-tdep.c.

Referenced by libunwind_load().

char* step_name = STRINGIFY(UNW_OBJ(step)) [static]

Definition at line 109 of file ia64-libunwind-tdep.c.

unw_addr_space_t(* unw_create_addr_space_p)(unw_accessors_t *, int) [static]

Definition at line 72 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_sniffer(), libunwind_get_reg_special(), libunwind_load(), and libunwind_sigtramp_frame_sniffer().

void(* unw_destroy_addr_space_p)(unw_addr_space_t) [static]

Definition at line 73 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_dealloc_cache(), libunwind_frame_sniffer(), libunwind_get_reg_special(), libunwind_load(), and libunwind_sigtramp_frame_sniffer().

unw_word_t(* unw_find_dyn_list_p)(unw_addr_space_t, unw_dyn_info_t *, void *) [static]

Definition at line 77 of file ia64-libunwind-tdep.c.

Referenced by libunwind_find_dyn_list(), and libunwind_load().

int(* unw_get_fpreg_p)(unw_cursor_t *, unw_regnum_t, unw_fpreg_t *) [static]

Definition at line 66 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_prev_register(), libunwind_get_reg_special(), and libunwind_load().

int(* unw_get_reg_p)(unw_cursor_t *, unw_regnum_t, unw_word_t *) [static]

Definition at line 65 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_prev_register(), libunwind_get_reg_special(), and libunwind_load().

int(* unw_get_saveloc_p)(unw_cursor_t *, unw_regnum_t, unw_save_loc_t *) [static]

Definition at line 67 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_prev_register(), and libunwind_load().

int(* unw_init_remote_p)(unw_cursor_t *, unw_addr_space_t, void *) [static]

Definition at line 71 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), libunwind_frame_sniffer(), libunwind_get_reg_special(), libunwind_load(), and libunwind_sigtramp_frame_sniffer().

int(* unw_is_signal_frame_p)(unw_cursor_t *) [static]

Definition at line 69 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_sniffer(), libunwind_load(), and libunwind_sigtramp_frame_sniffer().

int(* unw_search_unwind_table_p)(unw_addr_space_t, unw_word_t, unw_dyn_info_t *, unw_proc_info_t *, int, void *) [static]

Definition at line 74 of file ia64-libunwind-tdep.c.

Referenced by libunwind_load(), and libunwind_search_unwind_table().

int(* unw_step_p)(unw_cursor_t *) [static]

Definition at line 70 of file ia64-libunwind-tdep.c.

Referenced by libunwind_frame_cache(), and libunwind_load().