linux-xtensa-low.c File Reference

#include "server.h"
#include "linux-low.h"
#include <asm/ptrace.h>
#include <xtensa-config.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_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 CORE_ADDR	xtensa_get_pc (struct regcache *regcache)
static void	xtensa_set_pc (struct regcache *regcache, CORE_ADDR pc)
static int	xtensa_breakpoint_at (CORE_ADDR where)
static void	xtensa_arch_setup (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 unsigned char	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

#define XTENSA_BREAKPOINT   {0xd2,0x0f}

Definition at line 147 of file linux-xtensa-low.c.

#define xtensa_breakpoint_len   2

Definition at line 153 of file linux-xtensa-low.c.

Referenced by xtensa_breakpoint_at().

Enumeration Type Documentation

enum regnum

Enumerator
R_PC
R_PS
R_LBEG
R_LEND
R_LCOUNT
R_SAR
R_WS
R_WB
R_A0

Definition at line 32 of file linux-xtensa-low.c.

Function Documentation

void init_registers_xtensa

(

void

)

Referenced by initialize_low_arch().

void initialize_low_arch

(

void

)

Definition at line 225 of file linux-xtensa-low.c.

References init_registers_aarch64(), and init_registers_xtensa().

static void xtensa_arch_setup ( void  )

static

Definition at line 197 of file linux-xtensa-low.c.

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

static int xtensa_breakpoint_at ( CORE_ADDR  where )

static

Definition at line 172 of file linux-xtensa-low.c.

References target_ops::read_memory, the_target, and xtensa_breakpoint_len.

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

static

Definition at line 41 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_WB, R_WS, register_size(), and regcache::tdesc.

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

static

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

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

static CORE_ADDR xtensa_get_pc ( struct regcache *  regcache )

static

Definition at line 156 of file linux-xtensa-low.c.

References collect_register_by_name().

static const struct regs_info* xtensa_regs_info ( void  )

static

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

References regs_info.

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

static

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

References supply_register_by_name().

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

static

Definition at line 76 of file linux-xtensa-low.c.

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

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

static

Definition at line 125 of file linux-xtensa-low.c.

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

Variable Documentation

struct regs_info regs_info

static

Initial value:

=
  {
    NULL, 
    NULL, 
    &xtensa_regsets_info
  }

Definition at line 189 of file linux-xtensa-low.c.

Referenced by xtensa_regs_info().

const struct target_desc* tdesc_xtensa

Referenced by xtensa_arch_setup().

struct linux_target_ops the_low_target

Initial value:

= {
  xtensa_arch_setup,
  xtensa_regs_info,
  0,
  0,
  NULL, 
  xtensa_get_pc,
  xtensa_set_pc,
  xtensa_breakpoint,
  xtensa_breakpoint_len,
  NULL,
  0,
  xtensa_breakpoint_at,
}

Definition at line 208 of file linux-xtensa-low.c.

const unsigned char xtensa_breakpoint[] = XTENSA_BREAKPOINT

static

Definition at line 152 of file linux-xtensa-low.c.

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 },
  { 0, 0, 0, -1, -1, NULL, NULL }
}

Definition at line 136 of file linux-xtensa-low.c.

struct regsets_info xtensa_regsets_info

static

Initial value:

=
  {
    xtensa_regsets, 
    0, 
    NULL, 
  }

Definition at line 182 of file linux-xtensa-low.c.