sysdeps/s390/sotruss-lib.c

   1 /* Override generic sotruss-lib.c to define actual functions for s390.
   2    Copyright (C) 2012-2016 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #define HAVE_ARCH_PLTENTER
  21 #define HAVE_ARCH_PLTEXIT
  22
  23 #include <elf/sotruss-lib.c>
  24
  25 #if __ELF_NATIVE_CLASS == 32
  26 # define la_s390_gnu_pltenter   la_s390_32_gnu_pltenter
  27 # define la_s390_gnu_pltexit    la_s390_32_gnu_pltexit
  28 # define La_s390_regs           La_s390_32_regs
  29 # define La_s390_retval         La_s390_32_retval
  30 #else
  31 # define la_s390_gnu_pltenter   la_s390_64_gnu_pltenter
  32 # define la_s390_gnu_pltexit    la_s390_64_gnu_pltexit
  33 # define La_s390_regs           La_s390_64_regs
  34 # define La_s390_retval         La_s390_64_retval
  35 #endif
  36
  37 ElfW(Addr)
  38 la_s390_gnu_pltenter (ElfW(Sym) *sym,
  39                       unsigned int ndx __attribute__ ((unused)),
  40                       uintptr_t *refcook, uintptr_t *defcook,
  41                       La_s390_regs *regs, unsigned int *flags,
  42                       const char *symname, long int *framesizep)
  43 {
  44   print_enter (refcook, defcook, symname,
  45                regs->lr_r2, regs->lr_r3, regs->lr_r4, *flags);
  46
  47   /* No need to copy anything, we will not need the parameters in any case.  */
  48   *framesizep = 0;
  49
  50   return sym->st_value;
  51 }
  52
  53 unsigned int
  54 la_s390_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
  55                      uintptr_t *defcook,
  56                      const struct La_s390_regs *inregs,
  57                      struct La_s390_retval *outregs, const char *symname)
  58 {
  59   print_exit (refcook, defcook, symname, outregs->lrv_r2);
  60
  61   return 0;
  62 }