linux-crisv32-low.c File Reference

#include "server.h"
#include "linux-low.h"
#include "nat/gdb_ptrace.h"

Go to the source code of this file.

Macros
#define	cris_num_regs   49
#define	PTRACE_GET_THREAD_AREA   25
#define	cris_breakpoint_len   2

Functions
void	init_registers_crisv32 (void)
static const gdb_byte *	cris_sw_breakpoint_from_kind (int kind, int *size)
static int	cris_breakpoint_at (CORE_ADDR where)
static void	cris_write_data_breakpoint (struct regcache *regcache, int bp, unsigned long start, unsigned long end)
static int	cris_supports_z_point_type (char z_type)
static int	cris_insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int len, struct raw_breakpoint *bp)
static int	cris_remove_point (enum raw_bkpt_type type, CORE_ADDR addr, int len, struct raw_breakpoint *bp)
static int	cris_stopped_by_watchpoint (void)
static CORE_ADDR	cris_stopped_data_address (void)
ps_err_e	ps_get_thread_area (struct ps_prochandle *ph, lwpid_t lwpid, int idx, void **base)
static void	cris_fill_gregset (struct regcache *regcache, void *buf)
static void	cris_store_gregset (struct regcache *regcache, const void *buf)
static void	cris_arch_setup (void)
static int	cris_supports_hardware_single_step (void)
static const struct regs_info *	cris_regs_info (void)
void	initialize_low_arch (void)

Variables
const struct target_desc *	tdesc_crisv32
static int	cris_regmap []
static const unsigned short	cris_breakpoint = 0xe938
static struct regset_info	cris_regsets []
static struct regsets_info	cris_regsets_info
static struct usrregs_info	cris_usrregs_info
static struct regs_info	regs_info
struct linux_target_ops	the_low_target

Macro Definition Documentation

cris_breakpoint_len

#define cris_breakpoint_len   2

Definition at line 59 of file linux-crisv32-low.c.

Referenced by cris_breakpoint_at(), and cris_sw_breakpoint_from_kind().

cris_num_regs

#define cris_num_regs   49

Definition at line 28 of file linux-crisv32-low.c.

Referenced by cris_fill_gregset(), and cris_store_gregset().

PTRACE_GET_THREAD_AREA

#define PTRACE_GET_THREAD_AREA   25

Definition at line 31 of file linux-crisv32-low.c.

Referenced by ps_get_thread_area().

Function Documentation

cris_arch_setup()

static void cris_arch_setup ( void  )

static

Definition at line 350 of file linux-crisv32-low.c.

References current_process(), process_info::tdesc, and tdesc_crisv32.

cris_breakpoint_at()

static int cris_breakpoint_at ( CORE_ADDR  where )

static

Definition at line 71 of file linux-crisv32-low.c.

References cris_breakpoint, cris_breakpoint_len, target_ops::read_memory, and the_target.

cris_fill_gregset()

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

static

Definition at line 326 of file linux-crisv32-low.c.

References collect_register(), cris_num_regs, and cris_regmap.

cris_insert_point()

static int cris_insert_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  len, struct raw_breakpoint *  bp  )

static

Definition at line 133 of file linux-crisv32-low.c.

References collect_register_by_name(), cris_write_data_breakpoint(), current_thread, get_thread_regcache(), raw_bkpt_type_access_wp, raw_bkpt_type_read_wp, raw_bkpt_type_write_wp, supply_register_by_name(), and x3.

cris_regs_info()

static const struct regs_info* cris_regs_info ( void  )

static

Definition at line 391 of file linux-crisv32-low.c.

References regs_info.

cris_remove_point()

static int cris_remove_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  len, struct raw_breakpoint *  bp  )

static

Definition at line 206 of file linux-crisv32-low.c.

References collect_register_by_name(), cris_write_data_breakpoint(), current_thread, get_thread_regcache(), raw_bkpt_type_access_wp, raw_bkpt_type_read_wp, raw_bkpt_type_write_wp, supply_register_by_name(), x1, and x3.

cris_stopped_by_watchpoint()

static int cris_stopped_by_watchpoint ( void  )

static

Definition at line 289 of file linux-crisv32-low.c.

References collect_register_by_name(), current_thread, and get_thread_regcache().

cris_stopped_data_address()

static CORE_ADDR cris_stopped_data_address ( void  )

static

Definition at line 300 of file linux-crisv32-low.c.

References collect_register_by_name(), current_thread, and get_thread_regcache().

cris_store_gregset()

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

static

Definition at line 338 of file linux-crisv32-low.c.

References cris_num_regs, cris_regmap, and supply_register().

cris_supports_hardware_single_step()

static int cris_supports_hardware_single_step ( void  )

static

Definition at line 358 of file linux-crisv32-low.c.

cris_supports_z_point_type()

static int cris_supports_z_point_type ( char  z_type )

static

Definition at line 119 of file linux-crisv32-low.c.

References Z_PACKET_ACCESS_WP, Z_PACKET_READ_WP, and Z_PACKET_WRITE_WP.

cris_sw_breakpoint_from_kind()

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

static

Definition at line 64 of file linux-crisv32-low.c.

References cris_breakpoint, and cris_breakpoint_len.

cris_write_data_breakpoint()

static void cris_write_data_breakpoint ( struct regcache *  regcache, int  bp, unsigned long  start, unsigned long  end  )

static

Definition at line 86 of file linux-crisv32-low.c.

References supply_register_by_name().

Referenced by cris_insert_point(), and cris_remove_point().

init_registers_crisv32()

void init_registers_crisv32

(

void

)

Referenced by initialize_low_arch().

initialize_low_arch()

void initialize_low_arch

(

void

)

Definition at line 435 of file linux-crisv32-low.c.

References cris_regsets_info, and init_registers_crisv32().

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 312 of file linux-crisv32-low.c.

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

Variable Documentation

cris_breakpoint

const unsigned short cris_breakpoint = 0xe938

static

Definition at line 58 of file linux-crisv32-low.c.

Referenced by cris_breakpoint_at(), and cris_sw_breakpoint_from_kind().

cris_regmap

int cris_regmap[]

static

Initial value:

= {
  1*4, 2*4, 3*4, 4*4,
  5*4, 6*4, 7*4, 8*4,
  9*4, 10*4, 11*4, 12*4,
  13*4, 14*4, 24*4, 15*4,

  -1, -1, -1, 16*4,
  -1, 22*4, 23*4, 17*4,
  -1, -1, 21*4, 20*4,
  -1, 19*4, -1, 18*4,

  25*4,

  26*4, -1,   -1,   29*4,
  30*4, 31*4, 32*4, 33*4,
  34*4, 35*4, 36*4, 37*4,
  38*4, 39*4, 40*4, -1

}

Definition at line 38 of file linux-crisv32-low.c.

Referenced by cris_fill_gregset(), and cris_store_gregset().

cris_regsets

struct regset_info cris_regsets[]

static

Initial value:

= {
  { PTRACE_GETREGS, PTRACE_SETREGS, 0, cris_num_regs * 4,
    GENERAL_REGS, cris_fill_gregset, cris_store_gregset },
  NULL_REGSET
}

Definition at line 363 of file linux-crisv32-low.c.

cris_regsets_info

struct regsets_info cris_regsets_info

static

Initial value:

=
  {
    cris_regsets, 
    0, 
    NULL, 
  }

Definition at line 370 of file linux-crisv32-low.c.

Referenced by initialize_low_arch().

cris_usrregs_info

struct usrregs_info cris_usrregs_info

static

Initial value:

=
  {
    cris_num_regs,
    cris_regmap,
  }

Definition at line 377 of file linux-crisv32-low.c.

regs_info

struct regs_info regs_info

static

Initial value:

=
  {
    NULL, 
    &cris_usrregs_info,
    &cris_regsets_info
  }

Definition at line 383 of file linux-crisv32-low.c.

Referenced by cris_regs_info().

tdesc_crisv32

const struct target_desc* tdesc_crisv32

Referenced by cris_arch_setup().

the_low_target

struct linux_target_ops the_low_target

Definition at line 396 of file linux-crisv32-low.c.