/tmp/gdb-8.1/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"
#include <algorithm>

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_USP_REGNUM = 16, RX_PSW_REGNUM = 18, RX_PC_REGNUM = 19,   RX_BPSW_REGNUM = 21, RX_BPC_REGNUM = 22, RX_FPSW_REGNUM = 24, RX_ACC_REGNUM = 25,   RX_NUM_REGS = 26 }
enum	rx_frame_type { RX_FRAME_TYPE_NORMAL, RX_FRAME_TYPE_EXCEPTION, RX_FRAME_TYPE_FAST_INTERRUPT }

Functions
static const char *	rx_register_name (struct gdbarch *gdbarch, int regnr)
static struct type *	rx_psw_type (struct gdbarch *gdbarch)
static struct type *	rx_fpsw_type (struct gdbarch *gdbarch)
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, enum rx_frame_type frame_type, 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, enum rx_frame_type frame_type, void **this_prologue_cache)
static enum rx_frame_type	rx_frame_type (struct frame_info *this_frame, void **this_cache)
static CORE_ADDR	rx_frame_base (struct frame_info *this_frame, void **this_cache)
static void	rx_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id)
static struct value *	rx_frame_prev_register (struct frame_info *this_frame, void **this_cache, int regnum)
static int	normal_frame_p (enum rx_frame_type frame_type)
static int	exception_frame_p (enum rx_frame_type frame_type)
static int	rx_frame_sniffer_common (const struct frame_unwind *self, struct frame_info *this_frame, void **this_cache, int(*sniff_p)(enum rx_frame_type))
static int	rx_frame_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_cache)
static int	rx_exception_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_cache)
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)
typedef	BP_MANIPULATION (rx_break_insn)
static struct gdbarch *	rx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
void	_initialize_rx_tdep (void)

Variables
static const struct frame_unwind	rx_frame_unwind
static const struct frame_unwind	rx_exception_unwind
constexpr gdb_byte	rx_break_insn [] = { 0x00 }

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
RX_SP_REGNUM
RX_R1_REGNUM
RX_R4_REGNUM
RX_FP_REGNUM
RX_R15_REGNUM
RX_USP_REGNUM
RX_PSW_REGNUM
RX_PC_REGNUM
RX_BPSW_REGNUM
RX_BPC_REGNUM
RX_FPSW_REGNUM
RX_ACC_REGNUM
RX_NUM_REGS

Definition at line 42 of file rx-tdep.c.

rx_frame_type

enum rx_frame_type

Enumerator
RX_FRAME_TYPE_NORMAL
RX_FRAME_TYPE_EXCEPTION
RX_FRAME_TYPE_FAST_INTERRUPT

Definition at line 60 of file rx-tdep.c.

Function Documentation

_initialize_rx_tdep()

void _initialize_rx_tdep

(

void

)

Definition at line 1164 of file rx-tdep.c.

References register_gdbarch_init(), and rx_gdbarch_init().

BP_MANIPULATION()

typedef BP_MANIPULATION

(

rx_break_insn

)

Definition at line 1050 of file rx-tdep.c.

References RX_PC_REGNUM, and RX_PSW_REGNUM.

check_for_saved()

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

static

Definition at line 237 of file rx-tdep.c.

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

Referenced by rx_analyze_prologue().

exception_frame_p()

static int exception_frame_p ( enum rx_frame_type  frame_type )

static

Definition at line 668 of file rx-tdep.c.

References RX_FRAME_TYPE_EXCEPTION, and RX_FRAME_TYPE_FAST_INTERRUPT.

Referenced by rx_exception_sniffer().

normal_frame_p()

static int normal_frame_p ( enum rx_frame_type  frame_type )

static

Definition at line 659 of file rx-tdep.c.

References RX_FRAME_TYPE_NORMAL.

Referenced by rx_frame_sniffer().

rx_analyze_frame_prologue()

static struct rx_prologue* rx_analyze_frame_prologue ( struct frame_info *  this_frame, enum rx_frame_type  frame_type, void **  this_prologue_cache  )

static

Definition at line 484 of file rx-tdep.c.

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

Referenced by rx_frame_base(), rx_frame_prev_register(), and rx_frame_sniffer_common().

rx_analyze_prologue()

static void rx_analyze_prologue ( CORE_ADDR  start_pc, CORE_ADDR  limit_pc, enum rx_frame_type  frame_type, struct rx_prologue *  result  )

static

Definition at line 281 of file rx-tdep.c.

References check_for_saved(), rx_prologue::frame_ptr_offset, rx_prologue::frame_size, rx_prologue::frame_type, gdbarch_addr_bit(), rx_prologue::has_frame_ptr, memset(), rx_get_opcode_byte_handle::pc, pv_add_constant(), pv_is_register(), pv_register(), rx_prologue::reg_offset, RX_BPC_REGNUM, RX_BPSW_REGNUM, RX_FP_REGNUM, RX_FRAME_TYPE_EXCEPTION, RX_FRAME_TYPE_FAST_INTERRUPT, rx_get_opcode_byte(), RX_NUM_REGS, RX_PC_REGNUM, RX_PSW_REGNUM, RX_R1_REGNUM, RX_R4_REGNUM, RX_SP_REGNUM, pv_area::scan(), pv_area::store(), and target_gdbarch().

Referenced by rx_analyze_frame_prologue(), and rx_skip_prologue().

rx_dummy_id()

static struct frame_id rx_dummy_id ( struct gdbarch *  gdbarch, struct frame_info *  this_frame  )

static

Definition at line 776 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().

rx_exception_sniffer()

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

static

Definition at line 721 of file rx-tdep.c.

References exception_frame_p(), and rx_frame_sniffer_common().

rx_fpsw_type()

static struct type* rx_fpsw_type ( struct gdbarch *  gdbarch )

static

Definition at line 181 of file rx-tdep.c.

References append_flags_type_flag(), arch_flags_type(), gdbarch_tdep(), and gdbarch_tdep::rx_fpsw_type.

Referenced by rx_register_type().

rx_frame_base()

static CORE_ADDR rx_frame_base ( struct frame_info *  this_frame, void **  this_cache  )

static

Definition at line 567 of file rx-tdep.c.

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

Referenced by rx_frame_prev_register(), and rx_frame_this_id().

rx_frame_prev_register()

static struct value* rx_frame_prev_register ( struct frame_info *  this_frame, void **  this_cache, int  regnum  )

static

Definition at line 604 of file rx-tdep.c.

References extract_unsigned_integer(), frame_unwind_got_constant(), frame_unwind_got_memory(), frame_unwind_got_register(), gdbarch_byte_order(), get_frame_arch(), rx_prologue::reg_offset, regnum, rx_analyze_frame_prologue(), RX_BPC_REGNUM, RX_BPSW_REGNUM, rx_frame_base(), RX_FRAME_TYPE_EXCEPTION, RX_FRAME_TYPE_FAST_INTERRUPT, RX_PC_REGNUM, RX_PSW_REGNUM, RX_SP_REGNUM, RX_USP_REGNUM, and value_contents_all().

rx_frame_sniffer()

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

static

Definition at line 710 of file rx-tdep.c.

References normal_frame_p(), and rx_frame_sniffer_common().

rx_frame_sniffer_common()

static int rx_frame_sniffer_common ( const struct frame_unwind *  self, struct frame_info *  this_frame, void **  this_cache, int(*)(enum rx_frame_type)  sniff_p  )

static

Definition at line 677 of file rx-tdep.c.

References rx_prologue::frame_type, gdb_assert, and rx_analyze_frame_prologue().

Referenced by rx_exception_sniffer(), and rx_frame_sniffer().

rx_frame_this_id()

static void rx_frame_this_id ( struct frame_info *  this_frame, void **  this_cache, struct frame_id *  this_id  )

static

Definition at line 594 of file rx-tdep.c.

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

rx_frame_type()

static enum rx_frame_type rx_frame_type ( struct frame_info *  this_frame, void **  this_cache  )

static

Definition at line 513 of file rx-tdep.c.

References find_pc_partial_function(), rx_prologue::frame_type, gdb_assert, get_frame_pc(), name, rx_get_opcode_byte_handle::pc, RX_FRAME_TYPE_EXCEPTION, RX_FRAME_TYPE_FAST_INTERRUPT, RX_FRAME_TYPE_NORMAL, and rx_get_opcode_byte().

rx_gdbarch_init()

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

static

Definition at line 1069 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_dummy_id(), rx_exception_unwind, rx_frame_unwind, 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_kind_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_dwarf2_reg_to_regnum(), 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_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_sw_breakpoint_from_kind(), set_gdbarch_unwind_pc(), set_gdbarch_unwind_sp(), set_gdbarch_vbit_in_delta(), and XCNEW.

Referenced by _initialize_rx_tdep().

rx_get_opcode_byte()

static int rx_get_opcode_byte ( void *  handle )

static

Definition at line 260 of file rx-tdep.c.

References rx_get_opcode_byte_handle::pc, status, and target_read_code().

Referenced by rx_analyze_prologue(), and rx_frame_type().

rx_psw_type()

static struct type* rx_psw_type ( struct gdbarch *  gdbarch )

static

Definition at line 156 of file rx-tdep.c.

References append_flags_type_flag(), arch_flags_type(), gdbarch_tdep(), and gdbarch_tdep::rx_psw_type.

Referenced by rx_register_type().

rx_push_dummy_call()

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 785 of file rx-tdep.c.

References align_down(), align_up(), check_typedef(), extract_unsigned_integer(), gdb_assert, gdbarch_byte_order(), 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, value_contents_all(), value_type(), write_memory(), and write_memory_unsigned_integer().

Referenced by rx_gdbarch_init().

rx_register_name()

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

static

Definition at line 119 of file rx-tdep.c.

Referenced by rx_gdbarch_init().

rx_register_type()

static struct type* rx_register_type ( struct gdbarch *  gdbarch, int  reg_nr  )

static

Definition at line 215 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, RX_BPSW_REGNUM, RX_FPSW_REGNUM, rx_fpsw_type(), RX_PC_REGNUM, RX_PSW_REGNUM, and rx_psw_type().

Referenced by rx_gdbarch_init().

rx_return_value()

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 994 of file rx-tdep.c.

References extract_unsigned_integer(), gdbarch_byte_order(), 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, and TYPE_LENGTH.

Referenced by rx_gdbarch_init().

rx_skip_prologue()

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

static

Definition at line 462 of file rx-tdep.c.

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

Referenced by rx_gdbarch_init().

rx_unwind_pc()

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

static

Definition at line 756 of file rx-tdep.c.

References frame_unwind_register_unsigned(), and RX_PC_REGNUM.

Referenced by rx_gdbarch_init().

rx_unwind_sp()

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

static

Definition at line 766 of file rx-tdep.c.

References frame_unwind_register_unsigned(), and RX_SP_REGNUM.

Referenced by rx_gdbarch_init().

Variable Documentation

rx_break_insn

constexpr gdb_byte rx_break_insn[] = { 0x00 }

Definition at line 1048 of file rx-tdep.c.

rx_exception_unwind

const struct frame_unwind rx_exception_unwind

static

Initial value:

= {
  
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  rx_frame_this_id,
  rx_frame_prev_register,
  NULL,
  rx_exception_sniffer
}

Definition at line 744 of file rx-tdep.c.

Referenced by rx_gdbarch_init().

rx_frame_unwind

const 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,
  rx_frame_sniffer
}

Definition at line 732 of file rx-tdep.c.

Referenced by rx_gdbarch_init().