sysdeps/nios2/bits/link.h

   1 /* Machine-specific declarations for dynamic linker interface, Nios II version.
   2    Copyright (C) 2009-2022 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 Nios II.  */
  24 typedef struct La_nios2_regs
  25 {
  26   uint32_t lr_reg[4]; /* r4 through r7 */
  27   uint32_t lr_ra;
  28   uint32_t lr_sp;
  29 } La_nios2_regs;
  30
  31 /* Return values for calls from PLT on Nios II.  */
  32 typedef struct La_nios2_retval
  33 {
  34   uint32_t lrv_r2;
  35   uint32_t lrv_r3;
  36 } La_nios2_retval;
  37
  38 __BEGIN_DECLS
  39
  40 extern Elf32_Addr la_nios2_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
  41                                          uintptr_t *__refcook,
  42                                          uintptr_t *__defcook,
  43                                          La_nios2_regs *__regs,
  44                                          unsigned int *__flags,
  45                                          const char *__symname,
  46                                          long int *__framesizep);
  47 extern unsigned int la_nios2_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
  48                                           uintptr_t *__refcook,
  49                                           uintptr_t *__defcook,
  50                                           const La_nios2_regs *__inregs,
  51                                           La_nios2_retval *__outregs,
  52                                           const char *symname);
  53
  54 __END_DECLS