C++ (Cpp) ia64_cannot_store_registerの例

コード例 #1

ファイル: ia64-linux-nat.c プロジェクト: ChrisG0x20/gdb

static void
ia64_linux_store_register (const struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  CORE_ADDR addr;
  size_t size;
  PTRACE_TYPE_RET *buf;
  int pid, i;

  if (ia64_cannot_store_register (gdbarch, regnum))
    return;

  /* Cater for systems like GNU/Linux, that implement threads as
     separate processes.  */
  pid = ptid_get_lwp (inferior_ptid);
  if (pid == 0)
    pid = ptid_get_pid (inferior_ptid);

  /* This isn't really an address, but ptrace thinks of it as one.  */
  addr = ia64_register_addr (gdbarch, regnum);
  size = register_size (gdbarch, regnum);

  gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
  buf = alloca (size);

  /* Write the register contents into the inferior a chunk at a time.  */
  regcache_raw_collect (regcache, regnum, buf);
  for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
    {
      errno = 0;
      ptrace (PT_WRITE_U, pid, (PTRACE_TYPE_ARG3)addr, buf[i]);
      if (errno != 0)
	error (_("Couldn't write register %s (#%d): %s."),
	       gdbarch_register_name (gdbarch, regnum),
	       regnum, safe_strerror (errno));

      addr += sizeof (PTRACE_TYPE_RET);
    }
}

コード例 #2

ファイル: ia64-linux-nat.c プロジェクト: T-J-Teru/binutils-gdb

static void
ia64_linux_store_register (const struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = regcache->arch ();
  CORE_ADDR addr;
  size_t size;
  PTRACE_TYPE_RET *buf;
  pid_t pid;
  int i;

  if (ia64_cannot_store_register (gdbarch, regnum))
    return;

  pid = get_ptrace_pid (regcache->ptid ());

  /* This isn't really an address, but ptrace thinks of it as one.  */
  addr = ia64_register_addr (gdbarch, regnum);
  size = register_size (gdbarch, regnum);

  gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
  buf = (PTRACE_TYPE_RET *) alloca (size);

  /* Write the register contents into the inferior a chunk at a time.  */
  regcache->raw_collect (regnum, buf);
  for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
    {
      errno = 0;
      ptrace (PT_WRITE_U, pid, (PTRACE_TYPE_ARG3)addr, buf[i]);
      if (errno != 0)
	error (_("Couldn't write register %s (#%d): %s."),
	       gdbarch_register_name (gdbarch, regnum),
	       regnum, safe_strerror (errno));

      addr += sizeof (PTRACE_TYPE_RET);
    }
}