linux-nios2-low.c File Reference

#include "server.h"
#include "linux-low.h"
#include "elf/common.h"
#include "nat/gdb_ptrace.h"
#include <endian.h>
#include "gdb_proc_service.h"
#include <asm/ptrace.h>

Go to the source code of this file.

Classes
union	nios2_register

Macros
#define	PTRACE_GET_THREAD_AREA   25
#define	nios2_num_regs   49
#define	NIOS2_BREAKPOINT   0x003b6ffa
#define	nios2_breakpoint_len   4

Functions
void	init_registers_nios2_linux (void)
static void	nios2_arch_setup (void)
static int	nios2_cannot_fetch_register (int regno)
static int	nios2_cannot_store_register (int regno)
static const gdb_byte *	nios2_sw_breakpoint_from_kind (int kind, int *size)
static int	nios2_breakpoint_at (CORE_ADDR where)
ps_err_e	ps_get_thread_area (struct ps_prochandle *ph, lwpid_t lwpid, int idx, void **base)
static void	nios2_collect_register (struct regcache *regcache, int regno, union nios2_register *reg)
static void	nios2_supply_register (struct regcache *regcache, int regno, const union nios2_register *reg)
static void	nios2_fill_gregset (struct regcache *regcache, void *buf)
static void	nios2_store_gregset (struct regcache *regcache, const void *buf)
static const struct regs_info *	nios2_regs_info (void)
void	initialize_low_arch (void)

Variables
const struct target_desc *	tdesc_nios2_linux
static int	nios2_regmap []
static const unsigned int	nios2_breakpoint = NIOS2_BREAKPOINT
static struct regset_info	nios2_regsets []
static struct regsets_info	nios2_regsets_info
static struct usrregs_info	nios2_usrregs_info
static struct regs_info	regs_info
struct linux_target_ops	the_low_target

Macro Definition Documentation

NIOS2_BREAKPOINT

#define NIOS2_BREAKPOINT   0x003b6ffa

Definition at line 105 of file linux-nios2-low.c.

nios2_breakpoint_len

#define nios2_breakpoint_len   4

Definition at line 114 of file linux-nios2-low.c.

Referenced by nios2_sw_breakpoint_from_kind().

nios2_num_regs

#define nios2_num_regs   49

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

Referenced by nios2_fill_gregset(), and nios2_store_gregset().

PTRACE_GET_THREAD_AREA

#define PTRACE_GET_THREAD_AREA   25

Definition at line 31 of file linux-nios2-low.c.

Referenced by ps_get_thread_area().

Function Documentation

init_registers_nios2_linux()

void init_registers_nios2_linux

(

void

)

Referenced by initialize_low_arch().

initialize_low_arch()

void initialize_low_arch

(

void

)

Definition at line 254 of file linux-nios2-low.c.

References init_registers_nios2_linux(), and nios2_regsets_info.

nios2_arch_setup()

static void nios2_arch_setup ( void  )

static

Definition at line 71 of file linux-nios2-low.c.

References current_process(), process_info::tdesc, and tdesc_nios2_linux.

nios2_breakpoint_at()

static int nios2_breakpoint_at ( CORE_ADDR  where )

static

Definition at line 128 of file linux-nios2-low.c.

References nios2_breakpoint, target_ops::read_memory, and the_target.

nios2_cannot_fetch_register()

static int nios2_cannot_fetch_register ( int  regno )

static

Definition at line 79 of file linux-nios2-low.c.

References nios2_regmap.

nios2_cannot_store_register()

static int nios2_cannot_store_register ( int  regno )

static

Definition at line 90 of file linux-nios2-low.c.

References nios2_regmap.

nios2_collect_register()

static void nios2_collect_register ( struct regcache *  regcache, int  regno, union nios2_register *  reg  )

static

Definition at line 165 of file linux-nios2-low.c.

References collect_register(), and nios2_register::reg32.

Referenced by nios2_fill_gregset().

nios2_fill_gregset()

static void nios2_fill_gregset ( struct regcache *  regcache, void *  buf  )

static

Definition at line 184 of file linux-nios2-low.c.

References nios2_register::buf, nios2_collect_register(), and nios2_num_regs.

nios2_regs_info()

static const struct regs_info* nios2_regs_info ( void  )

static

Definition at line 232 of file linux-nios2-low.c.

References regs_info.

nios2_store_gregset()

static void nios2_store_gregset ( struct regcache *  regcache, const void *  buf  )

static

Definition at line 194 of file linux-nios2-low.c.

References nios2_register::buf, nios2_num_regs, and nios2_supply_register().

nios2_supply_register()

static void nios2_supply_register ( struct regcache *  regcache, int  regno, const union nios2_register *  reg  )

static

Definition at line 175 of file linux-nios2-low.c.

References nios2_register::buf, and supply_register().

Referenced by nios2_store_gregset().

nios2_sw_breakpoint_from_kind()

static const gdb_byte* nios2_sw_breakpoint_from_kind ( int  kind, int *  size  )

static

Definition at line 119 of file linux-nios2-low.c.

References nios2_breakpoint, and nios2_breakpoint_len.

ps_get_thread_area()

ps_err_e ps_get_thread_area	(	struct ps_prochandle *	ph,
		lwpid_t	lwpid,
		int	idx,
		void **	base
	)

Definition at line 148 of file linux-nios2-low.c.

References PS_ERR, PS_OK, ptrace(), and PTRACE_GET_THREAD_AREA.

Variable Documentation

nios2_breakpoint

const unsigned int nios2_breakpoint = NIOS2_BREAKPOINT

static

Definition at line 113 of file linux-nios2-low.c.

Referenced by nios2_breakpoint_at(), and nios2_sw_breakpoint_from_kind().

nios2_regmap

int nios2_regmap[]

static

Initial value:

= {
  -1,  1,  2,  3,  4,  5,  6,  7,
  8,  9,  10, 11, 12, 13, 14, 15,
  16, 17, 18, 19, 20, 21, 22, 23,
  24, 25, 26, 27, 28, 29, 30, 31,
  32, 33, 34, 35, 36, 37, 38, 39,
  40, 41, 42, 43, 44, 45, 46, 47,
  48,
  0
}

Definition at line 57 of file linux-nios2-low.c.

Referenced by nios2_cannot_fetch_register(), and nios2_cannot_store_register().

nios2_regsets

struct regset_info nios2_regsets[]

static

Initial value:

=
{
  { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_PRSTATUS,
    nios2_num_regs * 4, GENERAL_REGS,
    nios2_fill_gregset, nios2_store_gregset },
  NULL_REGSET
}

Definition at line 203 of file linux-nios2-low.c.

nios2_regsets_info

struct regsets_info nios2_regsets_info

static

Initial value:

=
  {
    nios2_regsets, 
    0, 
    NULL, 
  }

Definition at line 211 of file linux-nios2-low.c.

Referenced by initialize_low_arch().

nios2_usrregs_info

struct usrregs_info nios2_usrregs_info

static

Initial value:

=
  {
    nios2_num_regs,
    nios2_regmap,
  }

Definition at line 218 of file linux-nios2-low.c.

regs_info

struct regs_info regs_info

static

Initial value:

=
  {
    NULL, 
    &nios2_usrregs_info,
    &nios2_regsets_info
  }

Definition at line 224 of file linux-nios2-low.c.

Referenced by nios2_regs_info().

tdesc_nios2_linux

const struct target_desc* tdesc_nios2_linux

Referenced by nios2_arch_setup().

the_low_target

struct linux_target_ops the_low_target

Initial value:

=
{
  nios2_arch_setup,
  nios2_regs_info,
  nios2_cannot_fetch_register,
  nios2_cannot_store_register,
  NULL,
  linux_get_pc_32bit,
  linux_set_pc_32bit,
  NULL, 
  nios2_sw_breakpoint_from_kind,
  NULL, 
  0,
  nios2_breakpoint_at,
}

Definition at line 237 of file linux-nios2-low.c.