sysdeps/csky/bits/link.h

   1 /* Machine-specific declarations for dynamic linker interface.  C-SKY version.
   2    Copyright (C) 2018-2019 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    <http://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 C-SKY.  */
  24 typedef struct La_csky_regs
  25 {
  26   uint32_t lr_reg[4];
  27   uint32_t lr_sp;
  28   uint32_t lr_lr;
  29 } La_csky_regs;
  30
  31 /* Return values for calls from PLT on C-SKY.  */
  32 typedef struct La_csky_retval
  33 {
  34   /* Up to four integer registers can be used for a return value.  */
  35   uint32_t lrv_reg[4];
  36   uint32_t lrv_v0;
  37 } La_csky_retval;
  38
  39 __BEGIN_DECLS
  40
  41 extern Elf32_Addr la_csky_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
  42                                         uintptr_t *__refcook,
  43                                         uintptr_t *__defcook,
  44                                         La_csky_regs *__regs,
  45                                         unsigned int *__flags,
  46                                         const char *__symname,
  47                                         long int *__framesizep);
  48 extern unsigned int la_csky_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
  49                                          uintptr_t *__refcook,
  50                                          uintptr_t *__defcook,
  51                                          const La_csky_regs *__inregs,
  52                                          La_csky_retval *__outregs,
  53                                          const char *__symname);
  54
  55 __END_DECLS