sysdeps/csky/sotruss-lib.c

   1 /* Override generic sotruss-lib.c to define actual functions for C-SKY.
   2    Copyright (C) 2018-2023 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_csky_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
  26                       unsigned int ndx __attribute__ ((unused)),
  27                       uintptr_t *refcook, uintptr_t *defcook,
  28                       La_csky_regs *regs, unsigned int *flags,
  29                       const char *symname, long int *framesizep)
  30 {
  31   print_enter (refcook, defcook, symname,
  32                regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
  33                *flags);
  34
  35   /* No need to copy anything, we will not need the parameters in any case.  */
  36   *framesizep = 0;
  37
  38   return sym->st_value;
  39 }
  40
  41 unsigned int
  42 la_csky_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
  43                      uintptr_t *defcook, const struct La_csky_regs *inregs,
  44                      struct La_csky_retval *outregs, const char *symname)
  45 {
  46   print_exit (refcook, defcook, symname, outregs->lrv_v0);
  47
  48   return 0;
  49 }