1  /* Machine-specific declarations for dynamic linker interface, ARC version.
       2     Copyright (C) 2020-2023 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  /* Registers for entry into PLT on ARC.  */
      24  typedef struct La_arc_regs
      25  {
      26    uint32_t lr_reg[8]; /* r0 through r7 (upto 8 args).  */
      27  } La_arc_regs;
      28  
      29  /* Return values for calls from PLT on ARC.  */
      30  typedef struct La_arc_retval
      31  {
      32    /* For ARCv2, a 64-bit integer return value can use 2 regs.  */
      33    uint32_t lrv_reg[2];
      34  } La_arc_retval;
      35  
      36  __BEGIN_DECLS
      37  
      38  extern ElfW(Addr) la_arc_gnu_pltenter (ElfW(Sym) *__sym, unsigned int __ndx,
      39  					 uintptr_t *__refcook,
      40  					 uintptr_t *__defcook,
      41  					 La_arc_regs *__regs,
      42  					 unsigned int *__flags,
      43  					 const char *__symname,
      44  					 long int *__framesizep);
      45  extern unsigned int la_arc_gnu_pltexit (ElfW(Sym) *__sym, unsigned int __ndx,
      46  					  uintptr_t *__refcook,
      47  					  uintptr_t *__defcook,
      48  					  const La_arc_regs *__inregs,
      49  					  La_arc_retval *__outregs,
      50  					  const char *symname);
      51  
      52  __END_DECLS