1  /* Override generic sotruss-lib.c to define actual functions for RISC-V.
       2     Copyright (C) 2012-2023 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_riscv_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
      26  		       unsigned int ndx __attribute__ ((unused)),
      27  		       uintptr_t *refcook, uintptr_t *defcook,
      28  		       La_riscv_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_riscv_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
      43  		      uintptr_t *defcook,
      44  		      const struct La_riscv_regs *inregs,
      45  		      struct La_riscv_retval *outregs,
      46  		      const char *symname)
      47  {
      48    print_exit (refcook, defcook, symname, outregs->lrv_a0);
      49  
      50    return 0;
      51  }