1  /* Machine-specific declarations for dynamic linker interface.  RISC-V version.
       2     Copyright (C) 2005-2023 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  #ifndef	_LINK_H
      20  # error "Never include <bits/link.h> directly; use <link.h> instead."
      21  #endif
      22  
      23  typedef struct La_riscv_regs
      24  {
      25    unsigned long int lr_reg[8]; /* a0 - a7 */
      26    double lr_fpreg[8]; /* fa0 - fa7 */
      27    unsigned long int lr_ra;
      28    unsigned long int lr_sp;
      29  } La_riscv_regs;
      30  
      31  /* Return values for calls from PLT on RISC-V.  */
      32  typedef struct La_riscv_retval
      33  {
      34    unsigned long int lrv_a0;
      35    unsigned long int lrv_a1;
      36    double lrv_fa0;
      37    double lrv_fa1;
      38  } La_riscv_retval;
      39  
      40  __BEGIN_DECLS
      41  
      42  extern ElfW(Addr) la_riscv_gnu_pltenter (ElfW(Sym) *__sym, unsigned int __ndx,
      43  					 uintptr_t *__refcook,
      44  					 uintptr_t *__defcook,
      45  					 La_riscv_regs *__regs,
      46  					 unsigned int *__flags,
      47  					 const char *__symname,
      48  					 long int *__framesizep);
      49  extern unsigned int la_riscv_gnu_pltexit (ElfW(Sym) *__sym, unsigned int __ndx,
      50  					  uintptr_t *__refcook,
      51  					  uintptr_t *__defcook,
      52  					  const La_riscv_regs *__inregs,
      53  					  La_riscv_retval *__outregs,
      54  					  const char *__symname);
      55  
      56  __END_DECLS