#include "defs.h"
#include <sys/signal.h>
#include <sys/types.h>
#include <sys/dir.h>
#include <sys/user.h>
#include <nlist.h>
#if !defined (offsetof)
#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
#endif
CORE_ADDR
register_addr (int regno, CORE_ADDR blockend)
{
static int sysv68reg[] =
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, 15, 16};
if (regno >= 0 && regno < sizeof (sysv68reg) / sizeof (sysv68reg[0]))
return blockend + sysv68reg[regno] * 4;
else if (regno < FPC_REGNUM)
return offsetof (struct user, u_fpu.regs.reg[regno - FP0_REGNUM][0]);
else if (regno == FPC_REGNUM)
return offsetof (struct user, u_fpu.regs.control);
else if (regno == FPS_REGNUM)
return offsetof (struct user, u_fpu.regs.status);
else if (regno == FPI_REGNUM)
return offsetof (struct user, u_fpu.regs.iaddr);
else
{
fprintf_unfiltered (gdb_stderr, "\
Internal error: invalid register number %d in REGISTER_U_ADDR\n",
regno);
return blockend;
}
}
CORE_ADDR kernel_u_addr;
void
_initialize_delta68_nat (void)
{
struct nlist nl[2];
nl[0].n_name = "u";
nl[1].n_name = NULL;
if (nlist ("/sysV68", nl) == 0 && nl[0].n_scnum != 0)
kernel_u_addr = nl[0].n_value;
else
{
perror ("Cannot get kernel u area address");
exit (1);
}
}
clear_insn_cache (void)
{
#ifdef MCT_TEXT
memctl (0, 4096, MCT_TEXT);
#endif
}
kernel_u_size (void)
{
return sizeof (struct user);
}