Exemplo n.º 1
0
static void
ppc_ravenscar_generic_fetch_registers
  (const struct ravenscar_reg_info *reg_info,
   struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  const int sp_regnum = gdbarch_sp_regnum (gdbarch);
  const int num_regs = gdbarch_num_regs (gdbarch);
  int current_regnum;
  CORE_ADDR current_address;
  CORE_ADDR thread_descriptor_address;

  /* The tid is the thread_id field, which is a pointer to the thread.  */
  thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);

  /* Read registers.  */
  for (current_regnum = 0; current_regnum < num_regs; current_regnum++)
    {
      if (register_in_thread_descriptor_p (reg_info, current_regnum))
        {
          current_address = thread_descriptor_address
            + reg_info->context_offsets[current_regnum];
          supply_register_at_address (regcache, current_regnum,
                                      current_address);
        }
    }
}
static void
sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  const int sp_regnum = gdbarch_sp_regnum (gdbarch);
  const int num_regs = gdbarch_num_regs (gdbarch);
  int current_regnum;
  CORE_ADDR current_address;
  CORE_ADDR thread_descriptor_address;
  ULONGEST stack_address;

  /* The tid is the thread_id field, which is a pointer to the thread.  */
  thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);

  /* Read the saved SP in the context buffer.  */
  current_address = thread_descriptor_address
    + sparc_register_offsets [sp_regnum];
  supply_register_at_address (regcache, sp_regnum, current_address);
  regcache_cooked_read_unsigned (regcache, sp_regnum, &stack_address);

  /* Read registers.  */
  for (current_regnum = 0; current_regnum < num_regs; current_regnum ++)
    {
      if (register_in_thread_descriptor_p (current_regnum))
        {
          current_address = thread_descriptor_address
            + sparc_register_offsets [current_regnum];
          supply_register_at_address (regcache, current_regnum,
                                      current_address);
        }
      else if (register_on_stack_p (current_regnum))
        {
          current_address = stack_address
            + sparc_register_offsets [current_regnum];
          supply_register_at_address (regcache, current_regnum,
                                      current_address);
        }
    }
}