#include "server.h"
#include "linux-low.h"
#ifdef HAVE_SYS_REG_H
#include <sys/reg.h>
#endif
#include <asm/ptrace.h>
#define sh_num_regs 41
static int sh_regmap[] = {
0, 4, 8, 12, 16, 20, 24, 28,
32, 36, 40, 44, 48, 52, 56, 60,
REG_PC*4, REG_PR*4, REG_GBR*4, -1,
REG_MACH*4, REG_MACL*4, REG_SR*4,
REG_FPUL*4, REG_FPSCR*4,
REG_FPREG0*4+0, REG_FPREG0*4+4, REG_FPREG0*4+8, REG_FPREG0*4+12,
REG_FPREG0*4+16, REG_FPREG0*4+20, REG_FPREG0*4+24, REG_FPREG0*4+28,
REG_FPREG0*4+32, REG_FPREG0*4+36, REG_FPREG0*4+40, REG_FPREG0*4+44,
REG_FPREG0*4+48, REG_FPREG0*4+52, REG_FPREG0*4+56, REG_FPREG0*4+60,
};
static int
sh_cannot_store_register (int regno)
{
return 0;
}
static int
sh_cannot_fetch_register (int regno)
{
return 0;
}
static CORE_ADDR
sh_get_pc ()
{
unsigned long pc;
collect_register_by_name ("pc", &pc);
return pc;
}
static void
sh_set_pc (CORE_ADDR pc)
{
unsigned long newpc = pc;
supply_register_by_name ("pc", &newpc);
}
static const unsigned short sh_breakpoint = 0xc3c3;
#define sh_breakpoint_len 2
static int
sh_breakpoint_at (CORE_ADDR where)
{
unsigned short insn;
(*the_target->read_memory) (where, (unsigned char *) &insn, 2);
if (insn == sh_breakpoint)
return 1;
return 0;
}
struct linux_target_ops the_low_target = {
sh_num_regs,
sh_regmap,
sh_cannot_fetch_register,
sh_cannot_store_register,
sh_get_pc,
sh_set_pc,
(const unsigned char *) &sh_breakpoint,
sh_breakpoint_len,
NULL,
0,
sh_breakpoint_at,
};