linux-tic6x-low.c File Reference

#include "server.h"
#include "linux-low.h"
#include "arch/tic6x.h"
#include "tdesc.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	tic6x_register

Macros
#define	PTRACE_GET_THREAD_AREA   25
#define	TIC6X_NUM_REGS   69
#define	tic6x_breakpoint_len   4

Functions
void	init_registers_tic6x_c64xp_linux (void)
void	init_registers_tic6x_c64x_linux (void)
void	init_registers_tic6x_c62x_linux (void)
static const gdb_byte *	tic6x_sw_breakpoint_from_kind (int kind, int *size)
static const struct target_desc *	tic6x_read_description (enum c6x_feature feature)
static int	tic6x_cannot_fetch_register (int regno)
static int	tic6x_cannot_store_register (int regno)
static CORE_ADDR	tic6x_get_pc (struct regcache *regcache)
static void	tic6x_set_pc (struct regcache *regcache, CORE_ADDR pc)
static int	tic6x_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	tic6x_collect_register (struct regcache *regcache, int regno, union tic6x_register *reg)
static void	tic6x_supply_register (struct regcache *regcache, int regno, const union tic6x_register *reg)
static void	tic6x_fill_gregset (struct regcache *regcache, void *buf)
static void	tic6x_store_gregset (struct regcache *regcache, const void *buf)
static void	tic6x_arch_setup (void)
static int	tic6x_supports_hardware_single_step (void)
static const struct regs_info *	tic6x_regs_info (void)
void	initialize_low_arch (void)

Variables
const struct target_desc *	tdesc_tic6x_c64xp_linux
const struct target_desc *	tdesc_tic6x_c64x_linux
const struct target_desc *	tdesc_tic6x_c62x_linux
static int	tic6x_regmap_c64xp []
static int	tic6x_regmap_c64x []
static int	tic6x_regmap_c62x []
struct linux_target_ops	the_low_target
static int *	tic6x_regmap
static unsigned int	tic6x_breakpoint
static struct usrregs_info	tic6x_usrregs_info
static struct regset_info	tic6x_regsets []
static struct regsets_info	tic6x_regsets_info
static struct regs_info	regs_info

Macro Definition Documentation

PTRACE_GET_THREAD_AREA

#define PTRACE_GET_THREAD_AREA   25

Definition at line 33 of file linux-tic6x-low.c.

Referenced by ps_get_thread_area().

tic6x_breakpoint_len

#define tic6x_breakpoint_len   4

Definition at line 176 of file linux-tic6x-low.c.

Referenced by tic6x_sw_breakpoint_from_kind().

TIC6X_NUM_REGS

#define TIC6X_NUM_REGS   69

Definition at line 37 of file linux-tic6x-low.c.

Referenced by tic6x_fill_gregset(), and tic6x_store_gregset().

Function Documentation

init_registers_tic6x_c62x_linux()

void init_registers_tic6x_c62x_linux

(

void

)

Referenced by initialize_low_arch().

init_registers_tic6x_c64x_linux()

void init_registers_tic6x_c64x_linux

(

void

)

Referenced by initialize_low_arch().

init_registers_tic6x_c64xp_linux()

void init_registers_tic6x_c64xp_linux

(

void

)

Referenced by initialize_low_arch().

initialize_low_arch()

void initialize_low_arch

(

void

)

Definition at line 445 of file linux-tic6x-low.c.

References init_registers_tic6x_c62x_linux(), init_registers_tic6x_c64x_linux(), init_registers_tic6x_c64xp_linux(), selftests::register_test(), and tic6x_regsets_info.

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 258 of file linux-tic6x-low.c.

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

tic6x_arch_setup()

static void tic6x_arch_setup ( void  )

static

Definition at line 320 of file linux-tic6x-low.c.

References current_process(), error(), usrregs_info::regmap, process_info::tdesc, tic6x_breakpoint, tic6x_read_description(), tic6x_regmap, tic6x_regmap_c62x, tic6x_regmap_c64x, tic6x_regmap_c64xp, and tic6x_usrregs_info.

tic6x_breakpoint_at()

static int tic6x_breakpoint_at ( CORE_ADDR  where )

static

Definition at line 242 of file linux-tic6x-low.c.

References target_ops::read_memory, the_target, and tic6x_breakpoint.

tic6x_cannot_fetch_register()

static int tic6x_cannot_fetch_register ( int  regno )

static

Definition at line 212 of file linux-tic6x-low.c.

References tic6x_regmap.

tic6x_cannot_store_register()

static int tic6x_cannot_store_register ( int  regno )

static

Definition at line 218 of file linux-tic6x-low.c.

References tic6x_regmap.

tic6x_collect_register()

static void tic6x_collect_register ( struct regcache *  regcache, int  regno, union tic6x_register *  reg  )

static

Definition at line 273 of file linux-tic6x-low.c.

References collect_register(), and tic6x_register::reg32.

Referenced by tic6x_fill_gregset().

tic6x_fill_gregset()

static void tic6x_fill_gregset ( struct regcache *  regcache, void *  buf  )

static

Definition at line 292 of file linux-tic6x-low.c.

References tic6x_register::buf, tic6x_collect_register(), TIC6X_NUM_REGS, and tic6x_regmap.

tic6x_get_pc()

static CORE_ADDR tic6x_get_pc ( struct regcache *  regcache )

static

Definition at line 224 of file linux-tic6x-low.c.

References tic6x_register::buf, collect_register_by_name(), and tic6x_register::reg32.

tic6x_read_description()

static const struct target_desc* tic6x_read_description ( enum c6x_feature  feature )

static

Definition at line 194 of file linux-tic6x-low.c.

References target_desc::expedite_regs, and init_target_desc().

Referenced by tic6x_arch_setup().

tic6x_regs_info()

static const struct regs_info* tic6x_regs_info ( void  )

static

Definition at line 385 of file linux-tic6x-low.c.

References regs_info.

tic6x_set_pc()

static void tic6x_set_pc ( struct regcache *  regcache, CORE_ADDR  pc  )

static

Definition at line 233 of file linux-tic6x-low.c.

References tic6x_register::buf, tic6x_register::reg32, and supply_register_by_name().

tic6x_store_gregset()

static void tic6x_store_gregset ( struct regcache *  regcache, const void *  buf  )

static

Definition at line 303 of file linux-tic6x-low.c.

References tic6x_register::buf, TIC6X_NUM_REGS, tic6x_regmap, and tic6x_supply_register().

tic6x_supply_register()

static void tic6x_supply_register ( struct regcache *  regcache, int  regno, const union tic6x_register *  reg  )

static

Definition at line 283 of file linux-tic6x-low.c.

References tic6x_register::buf, offset, and supply_register().

Referenced by tic6x_store_gregset().

tic6x_supports_hardware_single_step()

static int tic6x_supports_hardware_single_step ( void  )

static

Definition at line 365 of file linux-tic6x-low.c.

tic6x_sw_breakpoint_from_kind()

static const gdb_byte* tic6x_sw_breakpoint_from_kind ( int  kind, int *  size  )

static

Definition at line 181 of file linux-tic6x-low.c.

References tic6x_breakpoint, and tic6x_breakpoint_len.

Variable Documentation

regs_info

struct regs_info regs_info

static

Initial value:

=
  {
    NULL, 
    &tic6x_usrregs_info,
    &tic6x_regsets_info
  }

Definition at line 377 of file linux-tic6x-low.c.

Referenced by tic6x_regs_info().

tdesc_tic6x_c62x_linux

const struct target_desc* tdesc_tic6x_c62x_linux

tdesc_tic6x_c64x_linux

const struct target_desc* tdesc_tic6x_c64x_linux

tdesc_tic6x_c64xp_linux

const struct target_desc* tdesc_tic6x_c64xp_linux

the_low_target

struct linux_target_ops the_low_target

Definition at line 390 of file linux-tic6x-low.c.

tic6x_breakpoint

unsigned int tic6x_breakpoint

static

Definition at line 175 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup(), tic6x_breakpoint_at(), and tic6x_sw_breakpoint_from_kind().

tic6x_regmap

int* tic6x_regmap

static

Definition at line 174 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup(), tic6x_cannot_fetch_register(), tic6x_cannot_store_register(), tic6x_fill_gregset(), and tic6x_store_gregset().

tic6x_regmap_c62x

int tic6x_regmap_c62x[]

static

Initial value:

= {
  
  19, 18, 21, 20, 23, 22, 25, 24,
  27, 26, 29, 28, 31, 30, 33, 32,
  
   5,  4,  7,  6,  9,  8, 11, 10,
  13, 12, 15, 14, 17, 16, 35, 34,
  
  3, 2,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1
}

Definition at line 100 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup().

tic6x_regmap_c64x

int tic6x_regmap_c64x[]

static

Initial value:

= {
  
  51, 50, 53, 52, 55, 54, 57, 56,
  59, 58, 61, 60, 63, 62, 65, 64,
  
  21, 20, 23, 22, 25, 24, 27, 26,
  29, 28, 31, 30, 33, 32, 67, 66,
  
  3,  2,
  
  35, 34, 37, 36, 39, 38, 41, 40,
  43, 42, 45, 44, 47, 46, 49, 48,
  
  5,  4,  7,  6,  9,  8,  11, 10,
  13, 12, 15, 14, 17, 16, 19, 18,
  -1, -1, -1
}

Definition at line 82 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup().

tic6x_regmap_c64xp

int tic6x_regmap_c64xp[]

static

Initial value:

= {
  
  53, 52, 55, 54, 57, 56, 59, 58,
  61, 60, 63, 62, 65, 64, 67, 66,
  
  23, 22, 25, 24, 27, 26, 29, 28,
  31, 30, 33, 32, 35, 34, 69, 68,
  
  5, 4,
  
  37, 36, 39, 38, 41, 40, 43, 42,
  45, 44, 47, 46, 49, 48, 51, 50,
  
  7,  6,  9,  8,  11, 10, 13, 12,
  15, 14, 17, 16, 19, 18, 21, 20,
  
  1,  2, 3
}

Definition at line 63 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup().

tic6x_regsets

struct regset_info tic6x_regsets[]

static

Initial value:

= {
  { PTRACE_GETREGS, PTRACE_SETREGS, 0, TIC6X_NUM_REGS * 4, GENERAL_REGS,
    tic6x_fill_gregset, tic6x_store_gregset },
  NULL_REGSET
}

Definition at line 313 of file linux-tic6x-low.c.

tic6x_regsets_info

struct regsets_info tic6x_regsets_info

static

Initial value:

=
  {
    tic6x_regsets, 
    0, 
    NULL, 
  }

Definition at line 370 of file linux-tic6x-low.c.

Referenced by initialize_low_arch().

tic6x_usrregs_info

struct usrregs_info tic6x_usrregs_info

static

Initial value:

=
  {
    TIC6X_NUM_REGS,
    NULL, 
  }

Definition at line 187 of file linux-tic6x-low.c.

Referenced by tic6x_arch_setup().