sysdeps/aarch64/jmpbuf-offsets.h

   1 /* Copyright (C) 2006-2022 Free Software Foundation, Inc.
   2
   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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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 #define JB_X19            0
  20 #define JB_X20            1
  21 #define JB_X21            2
  22 #define JB_X22            3
  23 #define JB_X23            4
  24 #define JB_X24            5
  25 #define JB_X25            6
  26 #define JB_X26            7
  27 #define JB_X27            8
  28 #define JB_X28            9
  29 #define JB_X29           10
  30 #define JB_LR            11
  31 #define JB_SP            13
  32
  33 #define JB_D8            14
  34 #define JB_D9            15
  35 #define JB_D10           16
  36 #define JB_D11           17
  37 #define JB_D12           18
  38 #define JB_D13           19
  39 #define JB_D14           20
  40 #define JB_D15           21
  41
  42 #ifndef  __ASSEMBLER__
  43 #include <setjmp.h>
  44 #include <stdint.h>
  45 #include <sysdep.h>
  46
  47 static inline uintptr_t __attribute__ ((unused))
  48 _jmpbuf_sp (__jmp_buf jmpbuf)
  49 {
  50   uintptr_t sp = jmpbuf[JB_SP];
  51 #ifdef PTR_DEMANGLE
  52   PTR_DEMANGLE (sp);
  53 #endif
  54   return sp;
  55 }
  56 #endif
  57
  58 /* Helper for generic ____longjmp_chk(). */
  59 #define JB_FRAME_ADDRESS(buf) \
  60   ((void *) _jmpbuf_sp (buf))