sysdeps/loongarch/sotruss-lib.c

   1 /* Override generic sotruss-lib.c to define actual functions for LoongArch.
   2    Copyright (C) 2022 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 #define HAVE_ARCH_PLTENTER
  20 #define HAVE_ARCH_PLTEXIT
  21
  22 #include <elf/sotruss-lib.c>
  23
  24 ElfW (Addr)
  25 la_loongarch_gnu_pltenter (ElfW (Sym) *sym __attribute__ ((unused)),
  26                            unsigned int ndx __attribute__ ((unused)),
  27                            uintptr_t *refcook, uintptr_t *defcook,
  28                            La_loongarch_regs *regs, unsigned int *flags,
  29                            const char *symname, long int *framesizep)
  30 {
  31   print_enter (refcook, defcook, symname, regs->lr_reg[0], regs->lr_reg[1],
  32                    regs->lr_reg[2], *flags);
  33
  34   /* No need to copy anything, we will not need the parameters in any case.  */
  35   *framesizep = 0;
  36
  37   return sym->st_value;
  38 }
  39
  40 unsigned int
  41 la_loongarch_gnu_pltexit (ElfW (Sym) *sym, unsigned int ndx,
  42                           uintptr_t *refcook, uintptr_t *defcook,
  43                           const struct La_loongarch_regs *inregs,
  44                           struct La_loongarch_retval *outregs,
  45                           const char *symname)
  46 {
  47   print_exit (refcook, defcook, symname, outregs->lrv_a0);
  48
  49   return 0;
  50 }