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

#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include "arch-utils.h"
#include "regcache.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
#include "trad-frame.h"
#include "dis-asm.h"
#include "sim-regno.h"
#include "gdb/sim-frv.h"
#include "opcodes/frv-desc.h"
#include "symtab.h"
#include "elf-bfd.h"
#include "elf/frv.h"
#include "osabi.h"
#include "infcall.h"
#include "solib.h"
#include "frv-tdep.h"
#include "objfiles.h"

Go to the source code of this file.

Classes
struct	frv_unwind_cache
struct	gdbarch_tdep

Functions
enum frv_abi	frv_abi (struct gdbarch *gdbarch)
int	frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch, CORE_ADDR *interp_addr, CORE_ADDR *exec_addr)
static struct gdbarch_tdep *	new_variant (void)
static void	set_variant_num_gprs (struct gdbarch_tdep *var, int num_gprs)
static void	set_variant_num_fprs (struct gdbarch_tdep *var, int num_fprs)
static void	set_variant_abi_fdpic (struct gdbarch_tdep *var)
static void	set_variant_scratch_registers (struct gdbarch_tdep *var)
static const char *	frv_register_name (struct gdbarch *gdbarch, int reg)
static struct type *	frv_register_type (struct gdbarch *gdbarch, int reg)
static enum register_status	frv_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int reg, gdb_byte *buffer)
static void	frv_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int reg, const gdb_byte *buffer)
static int	frv_register_sim_regno (struct gdbarch *gdbarch, int reg)
typedef	BP_MANIPULATION (frv_break_insn)
static int	is_caller_saves_reg (int reg)
static int	is_callee_saves_reg (int reg)
static int	is_argument_reg (int reg)
static CORE_ADDR	frv_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, struct frame_info *this_frame, struct frv_unwind_cache *info)
static CORE_ADDR	frv_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
static CORE_ADDR	frv_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
static struct frv_unwind_cache *	frv_frame_unwind_cache (struct frame_info *this_frame, void **this_prologue_cache)
static void	frv_extract_return_value (struct type *type, struct regcache *regcache, gdb_byte *valbuf)
static CORE_ADDR	frv_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
static CORE_ADDR	find_func_descr (struct gdbarch *gdbarch, CORE_ADDR entry_point)
static CORE_ADDR	frv_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ)
static CORE_ADDR	frv_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 void	frv_store_return_value (struct type *type, struct regcache *regcache, const gdb_byte *valbuf)
static enum return_value_convention	frv_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
static CORE_ADDR	frv_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
static void	frv_frame_this_id (struct frame_info *this_frame, void **this_prologue_cache, struct frame_id *this_id)
static struct value *	frv_frame_prev_register (struct frame_info *this_frame, void **this_prologue_cache, int regnum)
static CORE_ADDR	frv_frame_base_address (struct frame_info *this_frame, void **this_cache)
static CORE_ADDR	frv_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
static struct frame_id	frv_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
static struct gdbarch *	frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
void	_initialize_frv_tdep (void)

Variables
constexpr gdb_byte	frv_break_insn [] = {0xc0, 0x70, 0x00, 0x01}
static const struct frame_unwind	frv_frame_unwind
static const struct frame_base	frv_frame_base

Function Documentation

_initialize_frv_tdep()

void _initialize_frv_tdep

(

void

)

Definition at line 1603 of file frv-tdep.c.

References frv_gdbarch_init(), and register_gdbarch_init().

BP_MANIPULATION()

typedef BP_MANIPULATION

(

frv_break_insn

)

Definition at line 427 of file frv-tdep.c.

References frv_instr_size, get_pc_function_start(), status, and target_read_memory().

find_func_descr()

static CORE_ADDR find_func_descr ( struct gdbarch *  gdbarch, CORE_ADDR  entry_point  )

static

Definition at line 1145 of file frv-tdep.c.

References gdbarch::byte_order, find_pc_partial_function(), frv_fdpic_find_canonical_descriptor(), frv_fdpic_find_global_pointer(), gdbarch_byte_order(), store_unsigned_integer(), value_allocate_space_in_inferior(), value_as_long(), and write_memory().

Referenced by frv_push_dummy_call().

frv_abi()

enum frv_abi frv_abi

(

struct gdbarch *

gdbarch

)

Definition at line 93 of file frv-tdep.c.

References gdbarch_tdep::frv_abi, and gdbarch_tdep().

Referenced by frv_push_dummy_call().

frv_analyze_prologue()

static CORE_ADDR frv_analyze_prologue ( struct gdbarch *  gdbarch, CORE_ADDR  pc, struct frame_info *  this_frame, struct frv_unwind_cache *  info  )

static

Definition at line 515 of file frv-tdep.c.

References trad_frame_saved_reg::addr, frv_unwind_cache::base, extract_signed_integer(), fp_regnum, frv_instr_size, gdbarch_byte_order(), get_frame_pc(), get_frame_register_unsigned(), is_argument_reg(), is_callee_saves_reg(), is_caller_saves_reg(), lr_regnum, memset(), offset, pc_regnum, frv_unwind_cache::prev_sp, frv_unwind_cache::saved_regs, skip_prologue_using_sal(), sp_regnum, target_read_memory(), and trad_frame_set_value().

Referenced by frv_frame_unwind_cache(), and frv_skip_prologue().

frv_convert_from_func_ptr_addr()

static CORE_ADDR frv_convert_from_func_ptr_addr ( struct gdbarch *  gdbarch, CORE_ADDR  addr, struct target_ops *  targ  )

static

Definition at line 1176 of file frv-tdep.c.

References gdbarch::byte_order, frv_fdpic_find_global_pointer(), gdbarch_byte_order(), and get_target_memory_unsigned().

Referenced by frv_gdbarch_init().

frv_dummy_id()

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

static

Definition at line 1453 of file frv-tdep.c.

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

Referenced by frv_gdbarch_init().

frv_extract_return_value()

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

static

Definition at line 1110 of file frv-tdep.c.

References _, regcache::arch(), gdbarch::byte_order, gdbarch_byte_order(), internal_error(), regcache_cooked_read_unsigned(), store_unsigned_integer(), and TYPE_LENGTH.

Referenced by frv_return_value().

frv_fdpic_loadmap_addresses()

int frv_fdpic_loadmap_addresses	(	struct gdbarch *	gdbarch,
		CORE_ADDR *	interp_addr,
		CORE_ADDR *	exec_addr
	)

Definition at line 102 of file frv-tdep.c.

References fdpic_loadmap_exec_regnum, fdpic_loadmap_interp_regnum, FRV_ABI_FDPIC, get_current_regcache(), and regcache_cooked_read_unsigned().

Referenced by enable_break2(), and frv_relocate_main_executable().

frv_frame_align()

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

static

Definition at line 1138 of file frv-tdep.c.

References align_down().

Referenced by frv_gdbarch_init().

frv_frame_base_address()

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

static

Definition at line 1427 of file frv-tdep.c.

References frv_unwind_cache::base, and frv_frame_unwind_cache().

frv_frame_prev_register()

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

static

Definition at line 1409 of file frv-tdep.c.

References frv_frame_unwind_cache(), regnum, frv_unwind_cache::saved_regs, and trad_frame_get_prev_register().

frv_frame_this_id()

static void frv_frame_this_id ( struct frame_info *  this_frame, void **  this_prologue_cache, struct frame_id *  this_id  )

static

Definition at line 1379 of file frv-tdep.c.

References frv_unwind_cache::base, BMSYMBOL_VALUE_ADDRESS, frame_id_build(), frv_frame_unwind_cache(), func, get_frame_func(), lookup_minimal_symbol(), bound_minimal_symbol::minsym, and frv_unwind_cache::prev_sp.

frv_frame_unwind_cache()

static struct frv_unwind_cache* frv_frame_unwind_cache ( struct frame_info *  this_frame, void **  this_prologue_cache  )

static

Definition at line 1089 of file frv-tdep.c.

References FRAME_OBSTACK_ZALLOC, frv_analyze_prologue(), get_frame_arch(), get_frame_func(), frv_unwind_cache::saved_regs, and trad_frame_alloc_saved_regs().

Referenced by frv_frame_base_address(), frv_frame_prev_register(), and frv_frame_this_id().

frv_gdbarch_init()

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

static

Definition at line 1460 of file frv-tdep.c.

References gdbarch_info::abfd, gdbarch_info::bfd_arch_info, core_addr_lessthan(), gdbarch_tdep::elf_flags, fp_regnum, frame_base_set_default(), frame_unwind_append_unwinder(), FRV_ABI_FDPIC, frv_convert_from_func_ptr_addr(), frv_dummy_id(), frv_fetch_objfile_link_map(), frv_frame_align(), frv_frame_base, frv_frame_unwind, frv_num_pseudo_regs, frv_num_regs, frv_pseudo_register_read(), frv_pseudo_register_write(), frv_push_dummy_call(), frv_register_name(), frv_register_sim_regno(), frv_register_type(), frv_return_value(), frv_skip_main_prologue(), frv_skip_prologue(), frv_so_ops, frv_unwind_pc(), frv_unwind_sp(), gdbarch_list::gdbarch, gdbarch_alloc(), gdbarch_init_osabi(), gdbarch_list_lookup_by_info(), new_variant(), gdbarch_tdep::num_hw_breakpoints, gdbarch_tdep::num_hw_watchpoints, pc_regnum, set_gdbarch_adjust_breakpoint_address(), set_gdbarch_breakpoint_kind_from_pc(), set_gdbarch_convert_from_func_ptr_addr(), set_gdbarch_deprecated_fp_regnum(), set_gdbarch_double_bit(), set_gdbarch_dummy_id(), set_gdbarch_fetch_tls_load_module_address(), set_gdbarch_float_bit(), set_gdbarch_frame_align(), 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_pseudo_regs(), set_gdbarch_num_regs(), set_gdbarch_pc_regnum(), set_gdbarch_pseudo_register_read(), set_gdbarch_pseudo_register_write(), set_gdbarch_ptr_bit(), set_gdbarch_push_dummy_call(), set_gdbarch_register_name(), set_gdbarch_register_sim_regno(), set_gdbarch_register_type(), set_gdbarch_return_value(), set_gdbarch_short_bit(), set_gdbarch_skip_main_prologue(), set_gdbarch_skip_prologue(), set_gdbarch_sp_regnum(), set_gdbarch_sw_breakpoint_from_kind(), set_gdbarch_unwind_pc(), set_gdbarch_unwind_sp(), set_solib_ops(), set_variant_abi_fdpic(), set_variant_num_fprs(), set_variant_num_gprs(), set_variant_scratch_registers(), and sp_regnum.

Referenced by _initialize_frv_tdep().

frv_pseudo_register_read()

static enum register_status frv_pseudo_register_read ( struct gdbarch *  gdbarch, struct regcache *  regcache, int  reg, gdb_byte *  buffer  )

static

Definition at line 298 of file frv-tdep.c.

References accg0123_regnum, accg0_regnum, accg7_regnum, gdb_assert_not_reached, iacc0_regnum, iacc0h_regnum, iacc0l_regnum, memset(), REG_VALID, regcache_raw_read(), and status.

Referenced by frv_gdbarch_init().

frv_pseudo_register_write()

static void frv_pseudo_register_write ( struct gdbarch *  gdbarch, struct regcache *  regcache, int  reg, const gdb_byte *  buffer  )

static

Definition at line 335 of file frv-tdep.c.

References accg0123_regnum, accg0_regnum, accg7_regnum, iacc0_regnum, iacc0h_regnum, iacc0l_regnum, regcache_raw_read(), and regcache_raw_write().

Referenced by frv_gdbarch_init().

frv_push_dummy_call()

static CORE_ADDR frv_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 1193 of file frv-tdep.c.

References align_down(), align_up(), gdbarch::byte_order, check_typedef(), extract_unsigned_integer(), find_func_descr(), find_function_addr(), first_gpr_regnum, frv_abi(), FRV_ABI_FDPIC, frv_fdpic_find_global_pointer(), gdbarch_byte_order(), lr_regnum, regcache_cooked_write_unsigned(), sp_regnum, store_unsigned_integer(), struct_return_regnum, TYPE_CODE, TYPE_CODE_FUNC, TYPE_CODE_PTR, TYPE_CODE_STRUCT, TYPE_CODE_UNION, TYPE_LENGTH, TYPE_TARGET_TYPE, value_address(), value_contents(), value_type(), and write_memory().

Referenced by frv_gdbarch_init().

frv_register_name()

static const char* frv_register_name ( struct gdbarch *  gdbarch, int  reg  )

static

Definition at line 275 of file frv-tdep.c.

References frv_num_pseudo_regs, frv_num_regs, gdbarch_tdep(), and gdbarch_tdep::register_names.

Referenced by frv_gdbarch_init().

frv_register_sim_regno()

static int frv_register_sim_regno ( struct gdbarch *  gdbarch, int  reg  )

static

Definition at line 359 of file frv-tdep.c.

References _, first_fpr_regnum, first_gpr_regnum, first_spr_regnum, gdb_assert, gdbarch_num_regs(), internal_error(), last_fpr_regnum, last_gpr_regnum, pc_regnum, and SIM_REGNO_DOES_NOT_EXIST.

Referenced by frv_gdbarch_init().

frv_register_type()

static struct type* frv_register_type ( struct gdbarch *  gdbarch, int  reg  )

static

Definition at line 287 of file frv-tdep.c.

References builtin_type::builtin_float, builtin_type::builtin_int32, builtin_type::builtin_int64, builtin_type(), first_fpr_regnum, iacc0_regnum, and last_fpr_regnum.

Referenced by frv_gdbarch_init().

frv_return_value()

static enum return_value_convention frv_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 1343 of file frv-tdep.c.

References frv_extract_return_value(), frv_store_return_value(), gdb_assert, RETURN_VALUE_REGISTER_CONVENTION, RETURN_VALUE_STRUCT_CONVENTION, TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_STRUCT, and TYPE_CODE_UNION.

Referenced by frv_gdbarch_init().

frv_skip_main_prologue()

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

static

Definition at line 1013 of file frv-tdep.c.

References extract_unsigned_integer(), gdbarch_byte_order(), lookup_minimal_symbol_by_pc(), bound_minimal_symbol::minsym, MSYMBOL_LINKAGE_NAME, symtab_and_line::pc, and target_read_memory().

Referenced by frv_gdbarch_init().

frv_skip_prologue()

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

static

Definition at line 977 of file frv-tdep.c.

References find_pc_line(), find_pc_partial_function(), frv_analyze_prologue(), and symtab_and_line::pc.

Referenced by frv_gdbarch_init().

frv_store_return_value()

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

static

Definition at line 1320 of file frv-tdep.c.

References _, internal_error(), memset(), regcache_cooked_write(), and TYPE_LENGTH.

Referenced by frv_return_value().

frv_unwind_pc()

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

static

Definition at line 1370 of file frv-tdep.c.

References frame_unwind_register_unsigned(), and pc_regnum.

Referenced by frv_gdbarch_init().

frv_unwind_sp()

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

static

Definition at line 1442 of file frv-tdep.c.

References frame_unwind_register_unsigned(), and sp_regnum.

Referenced by frv_gdbarch_init().

is_argument_reg()

static int is_argument_reg ( int  reg )

static

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

Referenced by frv_analyze_prologue().

is_callee_saves_reg()

static int is_callee_saves_reg ( int  reg )

static

Definition at line 488 of file frv-tdep.c.

Referenced by frv_analyze_prologue().

is_caller_saves_reg()

static int is_caller_saves_reg ( int  reg )

static

Definition at line 478 of file frv-tdep.c.

Referenced by frv_analyze_prologue().

new_variant()

static struct gdbarch_tdep* new_variant ( void  )

static

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

References acc0_regnum, acc7_regnum, accg0_regnum, accg7_regnum, brr_regnum, cccr_regnum, ccr_regnum, dbar0_regnum, dbar1_regnum, dbar2_regnum, dbar3_regnum, fner0_regnum, fner1_regnum, gdbarch_tdep::frv_abi, FRV_ABI_EABI, frv_num_pseudo_regs, frv_num_regs, fsr0_regnum, gner0_regnum, gner1_regnum, iacc0_regnum, iacc0h_regnum, iacc0l_regnum, lcr_regnum, lr_regnum, msr0_regnum, msr1_regnum, gdbarch_tdep::num_fprs, gdbarch_tdep::num_gprs, gdbarch_tdep::num_hw_breakpoints, gdbarch_tdep::num_hw_watchpoints, pc_regnum, psr_regnum, gdbarch_tdep::register_names, tbr_regnum, XCNEW, xmalloc(), and xstrprintf().

Referenced by frv_gdbarch_init().

set_variant_abi_fdpic()

static void set_variant_abi_fdpic ( struct gdbarch_tdep *  var )

static

Definition at line 257 of file frv-tdep.c.

References fdpic_loadmap_exec_regnum, fdpic_loadmap_interp_regnum, gdbarch_tdep::frv_abi, FRV_ABI_FDPIC, and gdbarch_tdep::register_names.

Referenced by frv_gdbarch_init().

set_variant_num_fprs()

static void set_variant_num_fprs ( struct gdbarch_tdep *  var, int  num_fprs  )

static

Definition at line 241 of file frv-tdep.c.

References first_fpr_regnum, gdbarch_tdep::num_fprs, gdbarch_tdep::register_names, and xsnprintf().

Referenced by frv_gdbarch_init().

set_variant_num_gprs()

static void set_variant_num_gprs ( struct gdbarch_tdep *  var, int  num_gprs  )

static

Definition at line 222 of file frv-tdep.c.

References first_gpr_regnum, gdbarch_tdep::num_gprs, gdbarch_tdep::register_names, and xsnprintf().

Referenced by frv_gdbarch_init().

set_variant_scratch_registers()

static void set_variant_scratch_registers ( struct gdbarch_tdep *  var )

static

Definition at line 266 of file frv-tdep.c.

References gdbarch_tdep::register_names, scr0_regnum, scr1_regnum, scr2_regnum, and scr3_regnum.

Referenced by frv_gdbarch_init().

Variable Documentation

frv_break_insn

constexpr gdb_byte frv_break_insn[] = {0xc0, 0x70, 0x00, 0x01}

Definition at line 425 of file frv-tdep.c.

frv_frame_base

const struct frame_base frv_frame_base

static

Initial value:

= {
  &frv_frame_unwind,
  frv_frame_base_address,
  frv_frame_base_address,
  frv_frame_base_address
}

Definition at line 1434 of file frv-tdep.c.

Referenced by frv_gdbarch_init().

frv_frame_unwind

const struct frame_unwind frv_frame_unwind

static

Initial value:

= {
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  frv_frame_this_id,
  frv_frame_prev_register,
  NULL,
  default_frame_sniffer
}

Definition at line 1417 of file frv-tdep.c.

Referenced by frv_gdbarch_init().