sysdeps/aarch64/sotruss-lib.c

   1 /* Override generic sotruss-lib.c to define actual functions for AArch64.
   2    Copyright (C) 2012-2022 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    <https://www.gnu.org/licenses/>.  */
  19
  20 #define HAVE_ARCH_PLTENTER
  21 #define HAVE_ARCH_PLTEXIT
  22
  23 #include <elf/sotruss-lib.c>
  24
  25 ElfW(Addr)
  26 la_aarch64_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
  27                          unsigned int ndx __attribute__ ((unused)),
  28                          uintptr_t *refcook, uintptr_t *defcook,
  29                          La_aarch64_regs *regs, unsigned int *flags,
  30                          const char *symname, long int *framesizep)
  31 {
  32   print_enter (refcook, defcook, symname,
  33                regs->lr_xreg[0], regs->lr_xreg[1], regs->lr_xreg[2],
  34                *flags);
  35
  36   /* No need to copy anything, we will not need the parameters in any case.  */
  37   *framesizep = 0;
  38
  39   return sym->st_value;
  40 }
  41
  42 unsigned int
  43 la_aarch64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
  44                         uintptr_t *defcook,
  45                         const struct La_aarch64_regs *inregs,
  46                         struct La_aarch64_retval *outregs, const char *symname)
  47 {
  48   print_exit (refcook, defcook, symname, outregs->lrv_xreg[0]);
  49
  50   return 0;
  51 }