/tmp/gdb-8.1/gdb/nios2-linux-tdep.c File Reference

#include "defs.h"
#include "frame.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "symtab.h"
#include "regset.h"
#include "regcache.h"
#include "linux-tdep.h"
#include "glibc-tdep.h"
#include "nios2-tdep.h"

Go to the source code of this file.

Macros
#define	NIOS2_GREGS_SIZE   (4 * 34)
#define	NIOS2_SIGRETURN_TRAMP_ADDR   0x1044
#define	NIOS2_SIGRETURN_REGSAVE_OFFSET   152

Functions
static void	nios2_supply_gregset (const struct regset *regset, struct regcache *regcache, int regnum, const void *gregs_buf, size_t len)
static void	nios2_collect_gregset (const struct regset *regset, const struct regcache *regcache, int regnum, void *gregs_buf, size_t len)
static void	nios2_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache)
static void	nios2_linux_rt_sigreturn_init (const struct tramp_frame *self, struct frame_info *next_frame, struct trad_frame_cache *this_cache, CORE_ADDR func)
static CORE_ADDR	nios2_linux_syscall_next_pc (struct frame_info *frame, const struct nios2_opcode *op)
static void	nios2_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
void	_initialize_nios2_linux_tdep (void)

Variables
static const int	reg_offsets [NIOS2_NUM_REGS]
static const struct regset	nios2_core_regset
static struct tramp_frame	nios2_r1_linux_rt_sigreturn_tramp_frame
static struct tramp_frame	nios2_r2_linux_rt_sigreturn_tramp_frame

Macro Definition Documentation

NIOS2_GREGS_SIZE

#define NIOS2_GREGS_SIZE   (4 * 34)

Definition at line 53 of file nios2-linux-tdep.c.

Referenced by nios2_iterate_over_regset_sections().

NIOS2_SIGRETURN_REGSAVE_OFFSET

#define NIOS2_SIGRETURN_REGSAVE_OFFSET   152

Definition at line 133 of file nios2-linux-tdep.c.

Referenced by nios2_linux_rt_sigreturn_init().

NIOS2_SIGRETURN_TRAMP_ADDR

#define NIOS2_SIGRETURN_TRAMP_ADDR   0x1044

Definition at line 132 of file nios2-linux-tdep.c.

Function Documentation

_initialize_nios2_linux_tdep()

void _initialize_nios2_linux_tdep

(

void

)

Definition at line 240 of file nios2-linux-tdep.c.

References GDB_OSABI_LINUX, gdbarch_register_osabi(), and nios2_linux_init_abi().

nios2_collect_gregset()

static void nios2_collect_gregset ( const struct regset *  regset, const struct regcache *  regcache, int  regnum, void *  gregs_buf, size_t  len  )

static

Definition at line 80 of file nios2-linux-tdep.c.

References NIOS2_MPUACC_REGNUM, NIOS2_Z_REGNUM, reg_offsets, regcache_raw_collect(), and regnum.

nios2_iterate_over_regset_sections()

static void nios2_iterate_over_regset_sections ( struct gdbarch *  gdbarch, iterate_over_regset_sections_cb *  cb, void *  cb_data, const struct regcache *  regcache  )

static

Definition at line 106 of file nios2-linux-tdep.c.

References nios2_core_regset, and NIOS2_GREGS_SIZE.

Referenced by nios2_linux_init_abi().

nios2_linux_init_abi()

static void nios2_linux_init_abi ( struct gdbarch_info  info, struct gdbarch *  gdbarch  )

static

Definition at line 207 of file nios2-linux-tdep.c.

References find_solib_trampoline_target(), gdbarch_bfd_arch_info(), gdbarch_tdep(), glibc_skip_solib_resolver(), gdbarch_tdep::jb_pc, linux_init_abi(), nios2_iterate_over_regset_sections(), nios2_linux_syscall_next_pc(), nios2_r1_linux_rt_sigreturn_tramp_frame, nios2_r2_linux_rt_sigreturn_tramp_frame, set_gdbarch_fetch_tls_load_module_address(), set_gdbarch_iterate_over_regset_sections(), set_gdbarch_skip_solib_resolver(), set_gdbarch_skip_trampoline_code(), set_solib_svr4_fetch_link_map_offsets(), svr4_fetch_objfile_link_map(), svr4_ilp32_fetch_link_map_offsets(), gdbarch_tdep::syscall_next_pc, and tramp_frame_prepend_unwinder().

Referenced by _initialize_nios2_linux_tdep().

nios2_linux_rt_sigreturn_init()

static void nios2_linux_rt_sigreturn_init ( const struct tramp_frame *  self, struct frame_info *  next_frame, struct trad_frame_cache *  this_cache, CORE_ADDR  func  )

static

Definition at line 136 of file nios2-linux-tdep.c.

References frame_id_build(), func, get_frame_register_unsigned(), NIOS2_FP_REGNUM, NIOS2_GP_REGNUM, NIOS2_PC_REGNUM, NIOS2_RA_REGNUM, NIOS2_SIGRETURN_REGSAVE_OFFSET, NIOS2_SP_REGNUM, trad_frame_set_id(), and trad_frame_set_reg_addr().

nios2_linux_syscall_next_pc()

static CORE_ADDR nios2_linux_syscall_next_pc ( struct frame_info *  frame, const struct nios2_opcode *  op  )

static

Definition at line 190 of file nios2-linux-tdep.c.

References frame_unwind_caller_pc(), get_frame_pc(), get_frame_register_unsigned(), and NIOS2_R2_REGNUM.

Referenced by nios2_linux_init_abi().

nios2_supply_gregset()

static void nios2_supply_gregset ( const struct regset *  regset, struct regcache *  regcache, int  regnum, const void *  gregs_buf, size_t  len  )

static

Definition at line 58 of file nios2-linux-tdep.c.

References NIOS2_MPUACC_REGNUM, NIOS2_Z_REGNUM, reg_offsets, regcache_raw_supply(), and regnum.

Variable Documentation

nios2_core_regset

const struct regset nios2_core_regset

static

Initial value:

=
{
  NULL,
  nios2_supply_gregset,
  nios2_collect_gregset
}

Definition at line 96 of file nios2-linux-tdep.c.

Referenced by nios2_iterate_over_regset_sections().

nios2_r1_linux_rt_sigreturn_tramp_frame

struct tramp_frame nios2_r1_linux_rt_sigreturn_tramp_frame

static

Initial value:

=
{
  SIGTRAMP_FRAME,
  4,
  {
    { MATCH_R1_MOVI | SET_IW_I_B (2) | SET_IW_I_IMM16 (139), -1 },
    { MATCH_R1_TRAP | SET_IW_R_IMM5 (0), -1},
    { TRAMP_SENTINEL_INSN }
  },
  nios2_linux_rt_sigreturn_init
}

Definition at line 162 of file nios2-linux-tdep.c.

Referenced by nios2_linux_init_abi().

nios2_r2_linux_rt_sigreturn_tramp_frame

struct tramp_frame nios2_r2_linux_rt_sigreturn_tramp_frame

static

Initial value:

=
{
  SIGTRAMP_FRAME,
  4,
  {
    { MATCH_R2_MOVI | SET_IW_F2I16_B (2) | SET_IW_F2I16_IMM16 (139), -1 },
    { MATCH_R2_TRAP | SET_IW_X2L5_IMM5 (0), -1},
    { TRAMP_SENTINEL_INSN }
  },
  nios2_linux_rt_sigreturn_init
}

Definition at line 174 of file nios2-linux-tdep.c.

Referenced by nios2_linux_init_abi().

reg_offsets

const int reg_offsets[NIOS2_NUM_REGS]

static

Initial value:

=
{
  -1,  8,  9, 10, 11, 12, 13, 14,   
  0,  1,  2,  3,  4,  5,  6,  7,    
  23, 24, 25, 26, 27, 28, 29, 30,   
  -1, -1, 19, 18, 17, 21, -1, 16,   
  21,                   
  -1, 20, -1, -1, -1, -1, -1, -1,   
  -1, -1, -1, -1, -1, -1, -1, -1
}

Definition at line 39 of file nios2-linux-tdep.c.

Referenced by nios2_collect_gregset(), and nios2_supply_gregset().