struct frame_info *
get_current_frame (void)
{
if (current_frame == NULL)
{
if (target_has_stack)
current_frame = create_new_frame (read_fp (), read_pc ());
else
error ("No stack.");
}
return current_frame;
}
void
m68k_pop_frame ()
{
register FRAME frame = get_current_frame ();
register CORE_ADDR fp;
register int regnum;
struct frame_saved_regs fsr;
struct frame_info *fi;
char raw_buffer[12];
fi = get_frame_info (frame);
fp = fi -> frame;
get_frame_saved_regs (fi, &fsr);
#if defined (HAVE_68881)
for (regnum = FP0_REGNUM + 7 ; regnum >= FP0_REGNUM ; regnum--)
{
if (fsr.regs[regnum])
{
read_memory (fsr.regs[regnum], raw_buffer, 12);
write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 12);
}
}
#endif
for (regnum = FP_REGNUM - 1 ; regnum >= 0 ; regnum--)
{
if (fsr.regs[regnum])
{
write_register (regnum, read_memory_integer (fsr.regs[regnum], 4));
}
}
if (fsr.regs[PS_REGNUM])
{
write_register (PS_REGNUM, read_memory_integer (fsr.regs[PS_REGNUM], 4));
}
write_register (FP_REGNUM, read_memory_integer (fp, 4));
write_register (PC_REGNUM, read_memory_integer (fp + 4, 4));
write_register (SP_REGNUM, fp + 8);
flush_cached_frames ();
set_current_frame (create_new_frame (read_register (FP_REGNUM),
read_pc ()));
}