/tmp/gdb-8.1/gdb/lm32-tdep.c File Reference

#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
#include "inferior.h"
#include "dis-asm.h"
#include "symfile.h"
#include "remote.h"
#include "gdbcore.h"
#include "gdb/sim-lm32.h"
#include "gdb/callback.h"
#include "gdb/remote-sim.h"
#include "sim-regno.h"
#include "arch-utils.h"
#include "regcache.h"
#include "trad-frame.h"
#include "reggroups.h"
#include "opcodes/lm32-desc.h"
#include <algorithm>

Go to the source code of this file.

Classes
struct	gdbarch_tdep
struct	lm32_frame_cache

Macros
#define	LM32_OPCODE(insn)   ((insn >> 26) & 0x3f)
#define	LM32_REG0(insn)   ((insn >> 21) & 0x1f)
#define	LM32_REG1(insn)   ((insn >> 16) & 0x1f)
#define	LM32_REG2(insn)   ((insn >> 11) & 0x1f)
#define	LM32_IMM16(insn)   ((((long)insn & 0xffff) << 16) >> 16)

Functions
static void	lm32_add_reggroups (struct gdbarch *gdbarch)
static int	lm32_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *group)
static const char *	lm32_register_name (struct gdbarch *gdbarch, int reg_nr)
static struct type *	lm32_register_type (struct gdbarch *gdbarch, int reg_nr)
static int	lm32_cannot_store_register (struct gdbarch *gdbarch, int regno)
static CORE_ADDR	lm32_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR limit, struct lm32_frame_cache *info)
static CORE_ADDR	lm32_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
typedef	BP_MANIPULATION (lm32_break_insn)
static void	lm32_extract_return_value (struct type *type, struct regcache *regcache, gdb_byte *valbuf)
static void	lm32_store_return_value (struct type *type, struct regcache *regcache, const gdb_byte *valbuf)
static enum return_value_convention	lm32_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
static CORE_ADDR	lm32_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
static CORE_ADDR	lm32_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
static struct frame_id	lm32_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
static struct lm32_frame_cache *	lm32_frame_cache (struct frame_info *this_frame, void **this_prologue_cache)
static void	lm32_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id)
static struct value *	lm32_frame_prev_register (struct frame_info *this_frame, void **this_prologue_cache, int regnum)
static CORE_ADDR	lm32_frame_base_address (struct frame_info *this_frame, void **this_cache)
static CORE_ADDR	lm32_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
static struct gdbarch *	lm32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
void	_initialize_lm32_tdep (void)

Variables
constexpr gdb_byte	lm32_break_insn [4] = { OP_RAISE << 2, 0, 0, 2 }
static const struct frame_unwind	lm32_frame_unwind
static const struct frame_base	lm32_frame_base

Macro Definition Documentation

LM32_IMM16

#define LM32_IMM16

(

insn

)

((((long)insn & 0xffff) << 16) >> 16)

Definition at line 46 of file lm32-tdep.c.

Referenced by lm32_analyze_prologue().

LM32_OPCODE

#define LM32_OPCODE

(

insn

)

((insn >> 26) & 0x3f)

Definition at line 42 of file lm32-tdep.c.

Referenced by lm32_analyze_prologue().

LM32_REG0

#define LM32_REG0

(

insn

)

((insn >> 21) & 0x1f)

Definition at line 43 of file lm32-tdep.c.

Referenced by lm32_analyze_prologue().

LM32_REG1

#define LM32_REG1

(

insn

)

((insn >> 16) & 0x1f)

Definition at line 44 of file lm32-tdep.c.

Referenced by lm32_analyze_prologue().

LM32_REG2

#define LM32_REG2

(

insn

)

((insn >> 11) & 0x1f)

Definition at line 45 of file lm32-tdep.c.

Referenced by lm32_analyze_prologue().

Function Documentation

_initialize_lm32_tdep()

void _initialize_lm32_tdep

(

void

)

Definition at line 575 of file lm32-tdep.c.

References lm32_gdbarch_init(), and register_gdbarch_init().

BP_MANIPULATION()

typedef BP_MANIPULATION

(

lm32_break_insn

)

Definition at line 221 of file lm32-tdep.c.

References builtin_type::builtin_int32, builtin_type(), check_typedef(), extract_unsigned_integer(), gdbarch_byte_order(), regcache_cooked_write_signed(), regcache_cooked_write_unsigned(), TYPE_CODE, TYPE_CODE_BOOL, TYPE_CODE_CHAR, TYPE_CODE_ENUM, TYPE_CODE_INT, TYPE_CODE_RANGE, TYPE_LENGTH, value_cast(), value_contents(), value_type(), and write_memory_unsigned_integer().

lm32_add_reggroups()

static void lm32_add_reggroups ( struct gdbarch *  gdbarch )

static

Definition at line 67 of file lm32-tdep.c.

References all_reggroup, general_reggroup, reggroup_add(), and system_reggroup.

Referenced by lm32_gdbarch_init().

lm32_analyze_prologue()

static CORE_ADDR lm32_analyze_prologue ( struct gdbarch *  gdbarch, CORE_ADDR  pc, CORE_ADDR  limit, struct lm32_frame_cache *  info  )

static

Definition at line 127 of file lm32-tdep.c.

References trad_frame_saved_reg::addr, gdbarch_byte_order(), LM32_IMM16, LM32_OPCODE, LM32_REG0, LM32_REG1, LM32_REG2, read_memory_integer(), lm32_frame_cache::saved_regs, and lm32_frame_cache::size.

Referenced by lm32_frame_cache(), and lm32_skip_prologue().

lm32_cannot_store_register()

static int lm32_cannot_store_register ( struct gdbarch *  gdbarch, int  regno  )

static

Definition at line 119 of file lm32-tdep.c.

Referenced by lm32_gdbarch_init().

lm32_dummy_id()

static struct frame_id lm32_dummy_id ( struct gdbarch *  gdbarch, struct frame_info *  this_frame  )

static

Definition at line 398 of file lm32-tdep.c.

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

Referenced by lm32_gdbarch_init().

lm32_extract_return_value()

static void lm32_extract_return_value ( struct type *  type, struct regcache *  regcache, gdb_byte *  valbuf  )

static

Definition at line 303 of file lm32-tdep.c.

References regcache::arch(), gdbarch::byte_order, gdbarch_byte_order(), read_memory(), regcache_cooked_read_unsigned(), store_unsigned_integer(), TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_INT, TYPE_CODE_STRUCT, TYPE_CODE_UNION, and TYPE_LENGTH.

Referenced by lm32_return_value().

lm32_frame_align()

static CORE_ADDR lm32_frame_align ( struct gdbarch *  gdbarch, CORE_ADDR  sp  )

static

Definition at line 505 of file lm32-tdep.c.

Referenced by lm32_gdbarch_init().

lm32_frame_base_address()

static CORE_ADDR lm32_frame_base_address ( struct frame_info *  this_frame, void **  this_cache  )

static

Definition at line 490 of file lm32-tdep.c.

References lm32_frame_cache::base, and lm32_frame_cache().

lm32_frame_cache()

static struct lm32_frame_cache* lm32_frame_cache ( struct frame_info *  this_frame, void **  this_prologue_cache  )

static

Definition at line 412 of file lm32-tdep.c.

References trad_frame_saved_reg::addr, lm32_frame_cache::base, FRAME_OBSTACK_ZALLOC, gdbarch_num_regs(), get_frame_arch(), get_frame_func(), get_frame_pc(), get_frame_register_unsigned(), lm32_analyze_prologue(), lm32_frame_cache::pc, lm32_frame_cache::saved_regs, lm32_frame_cache::size, trad_frame_addr_p(), trad_frame_alloc_saved_regs(), and trad_frame_set_value().

Referenced by lm32_frame_base_address(), lm32_frame_prev_register(), and lm32_frame_this_id().

lm32_frame_prev_register()

static struct value* lm32_frame_prev_register ( struct frame_info *  this_frame, void **  this_prologue_cache, int  regnum  )

static

Definition at line 471 of file lm32-tdep.c.

References lm32_frame_cache(), regnum, lm32_frame_cache::saved_regs, and trad_frame_get_prev_register().

lm32_frame_this_id()

static void lm32_frame_this_id ( struct frame_info *  this_frame, void **  this_cache, struct frame_id *  this_id  )

static

Definition at line 458 of file lm32-tdep.c.

References lm32_frame_cache::base, frame_id_build(), lm32_frame_cache(), and lm32_frame_cache::pc.

lm32_gdbarch_init()

static struct gdbarch* lm32_gdbarch_init ( struct gdbarch_info  info, struct gdbarch_list *  arches  )

static

Definition at line 513 of file lm32-tdep.c.

References core_addr_lessthan(), frame_base_set_default(), frame_unwind_append_unwinder(), gdbarch_list::gdbarch, gdbarch_alloc(), gdbarch_list_lookup_by_info(), lm32_add_reggroups(), lm32_cannot_store_register(), lm32_dummy_id(), lm32_frame_align(), lm32_frame_base, lm32_frame_unwind, lm32_register_name(), lm32_register_reggroup_p(), lm32_register_type(), lm32_return_value(), lm32_skip_prologue(), lm32_unwind_pc(), lm32_unwind_sp(), set_gdbarch_breakpoint_kind_from_pc(), set_gdbarch_cannot_store_register(), set_gdbarch_decr_pc_after_break(), set_gdbarch_double_bit(), set_gdbarch_dummy_id(), set_gdbarch_float_bit(), set_gdbarch_frame_align(), set_gdbarch_frame_args_skip(), set_gdbarch_have_nonsteppable_watchpoint(), set_gdbarch_inner_than(), set_gdbarch_int_bit(), set_gdbarch_long_bit(), set_gdbarch_long_double_bit(), set_gdbarch_long_long_bit(), set_gdbarch_num_regs(), set_gdbarch_pc_regnum(), set_gdbarch_ptr_bit(), set_gdbarch_push_dummy_call(), set_gdbarch_register_name(), set_gdbarch_register_reggroup_p(), 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(), and XCNEW.

Referenced by _initialize_lm32_tdep().

lm32_register_name()

static const char* lm32_register_name ( struct gdbarch *  gdbarch, int  reg_nr  )

static

Definition at line 92 of file lm32-tdep.c.

Referenced by lm32_gdbarch_init().

lm32_register_reggroup_p()

static int lm32_register_reggroup_p ( struct gdbarch *  gdbarch, int  regnum, struct reggroup *  group  )

static

Definition at line 77 of file lm32-tdep.c.

References default_register_reggroup_p(), general_reggroup, regnum, and system_reggroup.

Referenced by lm32_gdbarch_init().

lm32_register_type()

static struct type* lm32_register_type ( struct gdbarch *  gdbarch, int  reg_nr  )

static

Definition at line 111 of file lm32-tdep.c.

References builtin_type::builtin_int32, and builtin_type().

Referenced by lm32_gdbarch_init().

lm32_return_value()

static enum return_value_convention lm32_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 366 of file lm32-tdep.c.

References code, lm32_extract_return_value(), lm32_store_return_value(), RETURN_VALUE_REGISTER_CONVENTION, RETURN_VALUE_STRUCT_CONVENTION, TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_STRUCT, TYPE_CODE_UNION, and TYPE_LENGTH.

Referenced by lm32_gdbarch_init().

lm32_skip_prologue()

static CORE_ADDR lm32_skip_prologue ( struct gdbarch *  gdbarch, CORE_ADDR  pc  )

static

Definition at line 187 of file lm32-tdep.c.

References find_pc_partial_function(), lm32_analyze_prologue(), and skip_prologue_using_sal().

Referenced by lm32_gdbarch_init().

lm32_store_return_value()

static void lm32_store_return_value ( struct type *  type, struct regcache *  regcache, const gdb_byte *  valbuf  )

static

Definition at line 340 of file lm32-tdep.c.

References _, regcache::arch(), gdbarch::byte_order, error(), extract_unsigned_integer(), gdbarch_byte_order(), regcache_cooked_write_unsigned(), and TYPE_LENGTH.

Referenced by lm32_return_value().

lm32_unwind_pc()

static CORE_ADDR lm32_unwind_pc ( struct gdbarch *  gdbarch, struct frame_info *  next_frame  )

static

Definition at line 386 of file lm32-tdep.c.

References frame_unwind_register_unsigned().

Referenced by lm32_gdbarch_init().

lm32_unwind_sp()

static CORE_ADDR lm32_unwind_sp ( struct gdbarch *  gdbarch, struct frame_info *  next_frame  )

static

Definition at line 392 of file lm32-tdep.c.

References frame_unwind_register_unsigned().

Referenced by lm32_gdbarch_init().

Variable Documentation

lm32_break_insn

constexpr gdb_byte lm32_break_insn[4] = { OP_RAISE << 2, 0, 0, 2 }

Definition at line 219 of file lm32-tdep.c.

lm32_frame_base

const struct frame_base lm32_frame_base

static

Initial value:

= {
  &lm32_frame_unwind,
  lm32_frame_base_address,
  lm32_frame_base_address,
  lm32_frame_base_address
}

Definition at line 497 of file lm32-tdep.c.

Referenced by lm32_gdbarch_init().

lm32_frame_unwind

const struct frame_unwind lm32_frame_unwind

static

Initial value:

= {
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  lm32_frame_this_id,
  lm32_frame_prev_register,
  NULL,
  default_frame_sniffer
}

Definition at line 480 of file lm32-tdep.c.

Referenced by lm32_gdbarch_init().