#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "language.h"
#include "gdbcore.h"
#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/user.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/procfs.h>
#include <sys/file.h>
#include "gdb_stat.h"
#include "floatformat.h"
#include "target.h"
static const int regmap[] =
{
PT_D0, PT_D1, PT_D2, PT_D3, PT_D4, PT_D5, PT_D6, PT_D7,
PT_A0, PT_A1, PT_A2, PT_A3, PT_A4, PT_A5, PT_A6, PT_USP,
PT_SR, PT_PC,
21, 24, 27, 30, 33, 36, 39, 42,
45, 46, 47
};
int
m68k_linux_register_u_addr (int blockend, int regnum)
{
return (blockend + 4 * regmap[regnum]);
}
#ifndef USE_PROC_FS
#include "gregset.h"
void
supply_gregset (gregset_t *gregsetp)
{
int regi;
for (regi = D0_REGNUM; regi <= SP_REGNUM; regi++)
supply_register (regi, (char *) (*gregsetp + regmap[regi]));
supply_register (PS_REGNUM, (char *) (*gregsetp + PT_SR));
supply_register (PC_REGNUM, (char *) (*gregsetp + PT_PC));
}
void
supply_fpregset (fpregset_t *fpregsetp)
{
int regi;
for (regi = FP0_REGNUM; regi < FPC_REGNUM; regi++)
supply_register (regi, (char *) &fpregsetp->fpregs[(regi - FP0_REGNUM) * 3]);
supply_register (FPC_REGNUM, (char *) &fpregsetp->fpcntl[0]);
supply_register (FPS_REGNUM, (char *) &fpregsetp->fpcntl[1]);
supply_register (FPI_REGNUM, (char *) &fpregsetp->fpcntl[2]);
}
#endif
int
kernel_u_size (void)
{
return (sizeof (struct user));
}
int
in_sigtramp (CORE_ADDR pc)
{
CORE_ADDR sp;
char buf[TARGET_SHORT_BIT / TARGET_CHAR_BIT];
int insn;
sp = read_register (SP_REGNUM);
if (pc - 2 < sp)
return 0;
if (read_memory_nobpt (pc, buf, sizeof (buf)))
return 0;
insn = extract_unsigned_integer (buf, sizeof (buf));
if (insn == 0xdefc
|| insn == 0x7077
|| insn == 0x4e40
|| insn == 0x203c )
return 1;
if (read_memory_nobpt (pc - 2, buf, sizeof (buf)))
return 0;
insn = extract_unsigned_integer (buf, sizeof (buf));
if (insn == 0xdefc
|| insn == 0x7077
|| insn == 0x4e40
|| insn == 0x203c )
return 1;
return 0;
}