linux-xtensa-low.c File Reference

#include "server.h"
#include "linux-low.h"
#include <asm/ptrace.h>
#include <xtensa-config.h>
#include "arch/xtensa.h"
#include "gdb_proc_service.h"
#include "xtensa-xtregs.c"

Go to the source code of this file.

Macros
#define	XTENSA_BREAKPOINT   {0xd2,0x0f}
#define	xtensa_breakpoint_len   2

Enumerations
enum	regnum {   R_PC =0, R_PS, R_LBEG, R_LEND,   R_LCOUNT, R_SAR, R_WS, R_WB,   R_THREADPTR, R_A0 = 64 }

Functions
void	init_registers_xtensa (void)
static void	xtensa_fill_gregset (struct regcache *regcache, void *buf)
static void	xtensa_store_gregset (struct regcache *regcache, const void *buf)
static void	xtensa_fill_xtregset (struct regcache *regcache, void *buf)
static void	xtensa_store_xtregset (struct regcache *regcache, const void *buf)
static const gdb_byte *	xtensa_sw_breakpoint_from_kind (int kind, int *size)
static int	xtensa_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	xtensa_arch_setup (void)
static int	xtensa_supports_hardware_single_step (void)
static const struct regs_info *	xtensa_regs_info (void)
void	initialize_low_arch (void)

Variables
const struct target_desc *	tdesc_xtensa
static struct regset_info	xtensa_regsets []
static const gdb_byte	xtensa_breakpoint [] = XTENSA_BREAKPOINT
static struct regsets_info	xtensa_regsets_info
static struct regs_info	regs_info
struct linux_target_ops	the_low_target

Macro Definition Documentation

XTENSA_BREAKPOINT

#define XTENSA_BREAKPOINT   {0xd2,0x0f}

Definition at line 188 of file linux-xtensa-low.c.

xtensa_breakpoint_len

#define xtensa_breakpoint_len   2

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

Referenced by xtensa_breakpoint_at(), and xtensa_sw_breakpoint_from_kind().

Enumeration Type Documentation

regnum

enum regnum

Enumerator
R_PC
R_PS
R_LBEG
R_LEND
R_LCOUNT
R_SAR
R_WS
R_WB
R_THREADPTR
R_A0

Definition at line 34 of file linux-xtensa-low.c.

Function Documentation

init_registers_xtensa()

void init_registers_xtensa

(

void

)

Referenced by initialize_low_arch().

initialize_low_arch()

void initialize_low_arch

(

void

)

Definition at line 309 of file linux-xtensa-low.c.

References aarch64_regsets_info, init_registers_xtensa(), initialize_low_arch_aarch32(), initialize_low_tdesc(), and xtensa_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 219 of file linux-xtensa-low.c.

References PS_ERR, PS_OK, and ptrace().

xtensa_arch_setup()

static void xtensa_arch_setup ( void  )

static

Definition at line 250 of file linux-xtensa-low.c.

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

xtensa_breakpoint_at()

static int xtensa_breakpoint_at ( CORE_ADDR  where )

static

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

References target_ops::read_memory, the_target, xtensa_breakpoint, and xtensa_breakpoint_len.

xtensa_fill_gregset()

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

static

Definition at line 44 of file linux-xtensa-low.c.

References collect_register(), collect_register_by_name(), find_regno(), R_A0, R_LBEG, R_LCOUNT, R_LEND, R_PC, R_PS, R_SAR, R_THREADPTR, R_WB, R_WS, register_size(), and regcache::tdesc.

xtensa_fill_xtregset()

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

static

Definition at line 154 of file linux-xtensa-low.c.

References collect_register_by_name(), xtensa_regtable_t::name, xtensa_regtable_t::ptrace_offset, and xtensa_regmap_table.

xtensa_regs_info()

static const struct regs_info* xtensa_regs_info ( void  )

static

Definition at line 264 of file linux-xtensa-low.c.

References regs_info.

xtensa_store_gregset()

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

static

Definition at line 98 of file linux-xtensa-low.c.

References find_regno(), R_A0, R_LBEG, R_LCOUNT, R_LEND, R_PC, R_PS, R_SAR, R_THREADPTR, R_WB, R_WS, register_size(), supply_register(), supply_register_by_name(), and regcache::tdesc.

xtensa_store_xtregset()

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

static

Definition at line 166 of file linux-xtensa-low.c.

References xtensa_regtable_t::name, xtensa_regtable_t::ptrace_offset, supply_register_by_name(), and xtensa_regmap_table.

xtensa_supports_hardware_single_step()

static int xtensa_supports_hardware_single_step ( void  )

static

Definition at line 258 of file linux-xtensa-low.c.

xtensa_sw_breakpoint_from_kind()

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

static

Definition at line 199 of file linux-xtensa-low.c.

References xtensa_breakpoint, and xtensa_breakpoint_len.

Variable Documentation

regs_info

struct regs_info regs_info

static

Initial value:

=
  {
    NULL, 
    NULL, 
    &xtensa_regsets_info
  }

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

Referenced by xtensa_regs_info().

tdesc_xtensa

const struct target_desc* tdesc_xtensa

Referenced by xtensa_arch_setup().

the_low_target

struct linux_target_ops the_low_target

Definition at line 269 of file linux-xtensa-low.c.

xtensa_breakpoint

const gdb_byte xtensa_breakpoint[] = XTENSA_BREAKPOINT

static

Definition at line 193 of file linux-xtensa-low.c.

Referenced by xtensa_breakpoint_at(), and xtensa_sw_breakpoint_from_kind().

xtensa_regsets

struct regset_info xtensa_regsets[]

static

Initial value:

= {
  { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t),
    GENERAL_REGS,
    xtensa_fill_gregset, xtensa_store_gregset },
  { PTRACE_GETXTREGS, PTRACE_SETXTREGS, 0, XTENSA_ELF_XTREG_SIZE,
    EXTENDED_REGS,
    xtensa_fill_xtregset, xtensa_store_xtregset },
  NULL_REGSET
}

Definition at line 177 of file linux-xtensa-low.c.

xtensa_regsets_info

struct regsets_info xtensa_regsets_info

static

Initial value:

=
  {
    xtensa_regsets, 
    0, 
    NULL, 
  }

Definition at line 235 of file linux-xtensa-low.c.

Referenced by initialize_low_arch().