(root)/
glibc-2.38/
sysdeps/
unix/
sysv/
linux/
aarch64/
ucontext-internal.h
       1  /* Copyright (C) 2009-2023 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 SP_ALIGN_SIZE       15
      20  
      21  #define SP_ALIGN_MASK	   ~15
      22  
      23  /* Size of an X register in bytes. */
      24  #define SZREG                8
      25  
      26  /* Size of a V register in bytes. */
      27  #define SZVREG              16
      28  
      29  /* Number of integer parameter passing registers. */
      30  #define NUMXREGARGS          8
      31  
      32  /* Number of FP parameter passing registers. */
      33  #define NUMDREGARGS          8
      34  
      35  /* Size of named integer argument in bytes when passed on the
      36     stack.  */
      37  #define SIZEOF_NAMED_INT     4
      38  
      39  /* Size of an anonymous integer argument in bytes when passed on the
      40     stack.  */
      41  #define SIZEOF_ANONYMOUS_INT 8
      42  
      43  #define oX21 (oX0 + 21*8)
      44  #define oFP  (oX0 + 29*8)
      45  #define oLR  (oX0 + 30*8)