/home/stan/gdb/src/gdb/rx-tdep.c File Reference

#include "defs.h"
#include "arch-utils.h"
#include "prologue-value.h"
#include "target.h"
#include "regcache.h"
#include "opcode/rx.h"
#include "dis-asm.h"
#include "gdbtypes.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
#include "value.h"
#include "gdbcore.h"
#include "dwarf2-frame.h"
#include "elf/rx.h"
#include "elf-bfd.h"

Go to the source code of this file.

Classes
struct	gdbarch_tdep
struct	rx_prologue
struct	rx_get_opcode_byte_handle
Enumerations
enum	{   RX_SP_REGNUM = 0, RX_R1_REGNUM = 1, RX_R4_REGNUM = 4, RX_FP_REGNUM = 6,   RX_R15_REGNUM = 15, RX_PC_REGNUM = 19, RX_ACC_REGNUM = 25, RX_NUM_REGS = 26 }
Functions
static const char *	rx_register_name (struct gdbarch *gdbarch, int regnr)
static struct type *	rx_register_type (struct gdbarch *gdbarch, int reg_nr)
static void	check_for_saved (void *result_untyped, pv_t addr, CORE_ADDR size, pv_t value)
static int	rx_get_opcode_byte (void *handle)
static void	rx_analyze_prologue (CORE_ADDR start_pc, CORE_ADDR limit_pc, struct rx_prologue *result)
static CORE_ADDR	rx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
static struct rx_prologue *	rx_analyze_frame_prologue (struct frame_info *this_frame, void **this_prologue_cache)
static CORE_ADDR	rx_frame_base (struct frame_info *this_frame, void **this_prologue_cache)
static void	rx_frame_this_id (struct frame_info *this_frame, void **this_prologue_cache, struct frame_id *this_id)
static struct value *	rx_frame_prev_register (struct frame_info *this_frame, void **this_prologue_cache, int regnum)
static CORE_ADDR	rx_unwind_pc (struct gdbarch *gdbarch, struct frame_info *this_frame)
static CORE_ADDR	rx_unwind_sp (struct gdbarch *gdbarch, struct frame_info *this_frame)
static struct frame_id	rx_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
static CORE_ADDR	rx_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
static enum return_value_convention	rx_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
static const gdb_byte *	rx_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
static struct gdbarch *	rx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
void	_initialize_rx_tdep (void)
Variables
static struct frame_unwind	rx_frame_unwind
initialize_file_ftype	_initialize_rx_tdep

---

Enumeration Type Documentation

anonymous enum

Enumerator:

RX_SP_REGNUM
RX_R1_REGNUM
RX_R4_REGNUM
RX_FP_REGNUM
RX_R15_REGNUM
RX_PC_REGNUM
RX_ACC_REGNUM
RX_NUM_REGS

Definition at line 41 of file rx-tdep.c.

---

Function Documentation

void _initialize_rx_tdep

(

void

)

Definition at line 868 of file rx-tdep.c.

References _initialize_rx_tdep, register_gdbarch_init(), and rx_gdbarch_init().

static void check_for_saved	(	void *	result_untyped,
		pv_t	addr,
		CORE_ADDR	size,
		pv_t	value
	)		[static]

Definition at line 150 of file rx-tdep.c.

References prologue_value::k, prologue_value::kind, pv_is_register(), prologue_value::reg, rx_prologue::reg_offset, register_size(), RX_SP_REGNUM, and target_gdbarch().

Referenced by rx_analyze_prologue().

static struct rx_prologue* rx_analyze_frame_prologue	(	struct frame_info *	this_frame,
		void **	this_prologue_cache
	)		[static, read]

Definition at line 373 of file rx-tdep.c.

References FRAME_OBSTACK_ZALLOC, get_frame_func(), get_frame_pc(), and rx_analyze_prologue().

Referenced by rx_frame_base(), and rx_frame_prev_register().

static void rx_analyze_prologue	(	CORE_ADDR	start_pc,
		CORE_ADDR	limit_pc,
		struct rx_prologue *	result
	)		[static]

Definition at line 192 of file rx-tdep.c.

References check_for_saved(), do_cleanups(), rx_prologue::frame_ptr_offset, rx_prologue::frame_size, gdbarch_addr_bit(), rx_prologue::has_frame_ptr, prologue_value::k, make_cleanup_free_pv_area(), make_pv_area(), memset(), rx_get_opcode_byte_handle::pc, pv_add_constant(), pv_area_scan(), pv_area_store(), pv_is_register(), pv_register(), prologue_value::reg, rx_prologue::reg_offset, RX_FP_REGNUM, rx_get_opcode_byte(), RX_NUM_REGS, RX_PC_REGNUM, RX_R1_REGNUM, RX_R4_REGNUM, RX_SP_REGNUM, reg::size, and target_gdbarch().

Referenced by rx_analyze_frame_prologue(), and rx_skip_prologue().

static const gdb_byte* rx_breakpoint_from_pc	(	struct gdbarch *	gdbarch,
		CORE_ADDR *	pcptr,
		int *	lenptr
	)		[static]

Definition at line 760 of file rx-tdep.c.

Referenced by rx_gdbarch_init().

static struct frame_id rx_dummy_id	(	struct gdbarch *	gdbarch,
		struct frame_info *	this_frame
	)		[static, read]

Definition at line 487 of file rx-tdep.c.

References frame_id_build(), get_frame_pc(), get_frame_register_unsigned(), and RX_SP_REGNUM.

Referenced by rx_gdbarch_init().

static CORE_ADDR rx_frame_base	(	struct frame_info *	this_frame,
		void **	this_prologue_cache
	)		[static]

Definition at line 399 of file rx-tdep.c.

References rx_prologue::frame_ptr_offset, rx_prologue::frame_size, get_frame_register_unsigned(), rx_prologue::has_frame_ptr, p, rx_analyze_frame_prologue(), RX_FP_REGNUM, RX_SP_REGNUM, and sp.

Referenced by rx_frame_prev_register(), and rx_frame_this_id().

static struct value* rx_frame_prev_register	(	struct frame_info *	this_frame,
		void **	this_prologue_cache,
		int	regnum
	)		[static, read]

Definition at line 433 of file rx-tdep.c.

References frame_unwind_got_constant(), frame_unwind_got_memory(), frame_unwind_got_register(), get_frame_arch(), p, rx_prologue::reg_offset, register_size(), rx_analyze_frame_prologue(), rx_frame_base(), and RX_SP_REGNUM.

static void rx_frame_this_id	(	struct frame_info *	this_frame,
		void **	this_prologue_cache,
		struct frame_id *	this_id
	)		[static]

Definition at line 424 of file rx-tdep.c.

References frame_id_build(), get_frame_func(), and rx_frame_base().

static struct gdbarch* rx_gdbarch_init	(	struct gdbarch_info	info,
		struct gdbarch_list *	arches
	)		[static, read]

Definition at line 769 of file rx-tdep.c.

References gdbarch_info::abfd, core_addr_lessthan(), dwarf2_append_unwinders(), gdbarch_tdep::elf_flags, floatformats_ieee_double, floatformats_ieee_single, frame_unwind_append_unwinder(), gdbarch_list::gdbarch, gdbarch_alloc(), gdbarch_list_lookup_by_info(), gdbarch_list::next, rx_breakpoint_from_pc(), rx_dummy_id(), RX_NUM_REGS, RX_PC_REGNUM, rx_push_dummy_call(), rx_register_name(), rx_register_type(), rx_return_value(), rx_skip_prologue(), RX_SP_REGNUM, rx_unwind_pc(), rx_unwind_sp(), set_gdbarch_breakpoint_from_pc(), set_gdbarch_char_signed(), set_gdbarch_decr_pc_after_break(), set_gdbarch_double_bit(), set_gdbarch_double_format(), set_gdbarch_dummy_id(), set_gdbarch_float_bit(), set_gdbarch_float_format(), set_gdbarch_inner_than(), set_gdbarch_int_bit(), set_gdbarch_long_bit(), set_gdbarch_long_double_bit(), set_gdbarch_long_double_format(), set_gdbarch_long_long_bit(), set_gdbarch_num_pseudo_regs(), set_gdbarch_num_regs(), set_gdbarch_pc_regnum(), set_gdbarch_print_insn(), set_gdbarch_ptr_bit(), set_gdbarch_push_dummy_call(), set_gdbarch_register_name(), set_gdbarch_register_type(), set_gdbarch_return_value(), set_gdbarch_short_bit(), set_gdbarch_skip_prologue(), set_gdbarch_sp_regnum(), set_gdbarch_unwind_pc(), set_gdbarch_unwind_sp(), set_gdbarch_vbit_in_delta(), and xmalloc().

Referenced by _initialize_rx_tdep().

static int rx_get_opcode_byte

(

void *

handle

)

[static]

Definition at line 173 of file rx-tdep.c.

References rx_get_opcode_byte_handle::pc, exsummary::status, and target_read_memory().

Referenced by rx_analyze_prologue().

static CORE_ADDR rx_push_dummy_call	(	struct gdbarch *	gdbarch,
		struct value *	function,
		struct regcache *	regcache,
		CORE_ADDR	bp_addr,
		int	nargs,
		struct value **	args,
		CORE_ADDR	sp,
		int	struct_return,
		CORE_ADDR	struct_addr
	)		[static]

Definition at line 496 of file rx-tdep.c.

References align_down(), align_up(), check_typedef(), extract_unsigned_integer(), gdb_assert, gdbarch_byte_order(), len, min, regcache_cooked_write_unsigned(), RX_R15_REGNUM, RX_R1_REGNUM, RX_R4_REGNUM, RX_SP_REGNUM, TYPE_CODE, TYPE_CODE_FUNC, TYPE_CODE_METHOD, TYPE_CODE_PTR, TYPE_CODE_STRUCT, TYPE_CODE_UNION, TYPE_FIELD_TYPE, TYPE_LENGTH, TYPE_NFIELDS, TYPE_PROTOTYPED, TYPE_TARGET_TYPE, TYPE_VARARGS, ULONGEST, value_contents_all(), value_type(), write_memory(), and write_memory_unsigned_integer().

Referenced by rx_gdbarch_init().

static const char* rx_register_name	(	struct gdbarch *	gdbarch,
		int	regnr
	)		[static]

Definition at line 96 of file rx-tdep.c.

Referenced by rx_gdbarch_init().

static struct type* rx_register_type	(	struct gdbarch *	gdbarch,
		int	reg_nr
	)		[static, read]

Definition at line 132 of file rx-tdep.c.

References builtin_type::builtin_func_ptr, builtin_type(), builtin_type::builtin_unsigned_long, builtin_type::builtin_unsigned_long_long, RX_ACC_REGNUM, and RX_PC_REGNUM.

Referenced by rx_gdbarch_init().

static enum return_value_convention rx_return_value	(	struct gdbarch *	gdbarch,
		struct value *	function,
		struct type *	valtype,
		struct regcache *	regcache,
		gdb_byte *	readbuf,
		const gdb_byte *	writebuf
	)		[static]

Definition at line 704 of file rx-tdep.c.

References extract_unsigned_integer(), gdbarch_byte_order(), len, min, offset, regcache_cooked_read_unsigned(), regcache_cooked_write_unsigned(), RETURN_VALUE_REGISTER_CONVENTION, RETURN_VALUE_STRUCT_CONVENTION, RX_R1_REGNUM, store_unsigned_integer(), TYPE_CODE, TYPE_CODE_STRUCT, TYPE_CODE_UNION, TYPE_LENGTH, and ULONGEST.

Referenced by rx_gdbarch_init().

static CORE_ADDR rx_skip_prologue	(	struct gdbarch *	gdbarch,
		CORE_ADDR	pc
	)		[static]

Definition at line 354 of file rx-tdep.c.

References find_pc_partial_function(), name, rx_prologue::prologue_end, and rx_analyze_prologue().

Referenced by rx_gdbarch_init().

static CORE_ADDR rx_unwind_pc	(	struct gdbarch *	gdbarch,
		struct frame_info *	this_frame
	)		[static]

Definition at line 467 of file rx-tdep.c.

References frame_unwind_register_unsigned(), RX_PC_REGNUM, and ULONGEST.

Referenced by rx_gdbarch_init().

static CORE_ADDR rx_unwind_sp	(	struct gdbarch *	gdbarch,
		struct frame_info *	this_frame
	)		[static]

Definition at line 477 of file rx-tdep.c.

References frame_unwind_register_unsigned(), RX_SP_REGNUM, sp, and ULONGEST.

Referenced by rx_gdbarch_init().

---

Variable Documentation

initialize_file_ftype _initialize_rx_tdep

Referenced by _initialize_rx_tdep(), and initialize_all_files().

struct frame_unwind rx_frame_unwind [static]

Initial value:

 {
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  rx_frame_this_id,
  rx_frame_prev_register,
  NULL,
  default_frame_sniffer
}

Definition at line 456 of file rx-tdep.c.