sysdeps/generic/thread_state.h

   1 /* Mach thread state definitions for machine-independent code.  Stub version.
   2    Copyright (C) 1994-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 /* Everything else is called `thread_state', but CMU's header file is
  20    called `thread_status'.  Oh boy.  */
  21 #include <mach/thread_state.h>
  22
  23 /* Replace <machine> with "i386" or "mips" or whatever.  */
  24
  25 /* This lets the kernel define architecture-specific registers for a new
  26    thread.  */
  27 #define MACHINE_NEW_THREAD_STATE_FLAVOR <machine>_NEW_THREAD_STATE
  28 /* This makes the kernel load all architectures-specific registers for the
  29    thread.  */
  30 #define MACHINE_THREAD_STATE_FLAVOR     <machine>_THREAD_STATE
  31 #define MACHINE_THREAD_STATE_COUNT      <machine>_THREAD_STATE_COUNT
  32
  33 #define machine_thread_state <machine>_thread_state
  34
  35 /* Define these to the member names in `struct <machine>_thread_state'
  36    for the PC and stack pointer.  */
  37 #define PC ?
  38 #define SP ?
  39
  40 /* This structure should contain all of the different flavors of thread
  41    state structures which are meaningful for this machine.  Every machine's
  42    definition of this structure should have a member `int set' which is a
  43    bit mask (1 << FLAVOR) of the flavors of thread state in the structure
  44    which are filled in; and a member `struct machine_thread_state basic'.
  45    On some machines those are the only members (e.g. i386); on others,
  46    there are several relevant flavors of thread state (e.g. mips).  */
  47 struct machine_thread_all_state
  48   {
  49     int set;                    /* Mask of bits (1 << FLAVOR).  */
  50     struct <machine>_thread_state basic;
  51   };