1  /* Override generic sotruss-lib.c to define actual functions for LoongArch.
       2     Copyright (C) 2022-2023 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_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  }