sysdeps/s390/bits/link.h

   1 /* Copyright (C) 2005-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _LINK_H
  19 # error "Never include <bits/link.h> directly; use <link.h> instead."
  20 #endif
  21
  22
  23 #if __ELF_NATIVE_CLASS == 32
  24
  25 /* Registers for entry into PLT on s390-32.  */
  26 typedef struct La_s390_32_regs
  27 {
  28   uint32_t lr_r2;
  29   uint32_t lr_r3;
  30   uint32_t lr_r4;
  31   uint32_t lr_r5;
  32   uint32_t lr_r6;
  33   double lr_fp0;
  34   double lr_fp2;
  35 } La_s390_32_regs;
  36
  37 /* Return values for calls from PLT on s390-32.  */
  38 typedef struct La_s390_32_retval
  39 {
  40   uint32_t lrv_r2;
  41   uint32_t lrv_r3;
  42   double lrv_fp0;
  43 } La_s390_32_retval;
  44
  45
  46 __BEGIN_DECLS
  47
  48 extern Elf32_Addr la_s390_32_gnu_pltenter (Elf32_Sym *__sym,
  49                                            unsigned int __ndx,
  50                                            uintptr_t *__refcook,
  51                                            uintptr_t *__defcook,
  52                                            La_s390_32_regs *__regs,
  53                                            unsigned int *__flags,
  54                                            const char *__symname,
  55                                            long int *__framesizep);
  56 extern unsigned int la_s390_32_gnu_pltexit (Elf32_Sym *__sym,
  57                                             unsigned int __ndx,
  58                                             uintptr_t *__refcook,
  59                                             uintptr_t *__defcook,
  60                                             const La_s390_32_regs *__inregs,
  61                                             La_s390_32_retval *__outregs,
  62                                             const char *symname);
  63
  64 __END_DECLS
  65
  66 #else
  67
  68 /* Registers for entry into PLT on s390-64.  */
  69 typedef struct La_s390_64_regs
  70 {
  71   uint64_t lr_r2;
  72   uint64_t lr_r3;
  73   uint64_t lr_r4;
  74   uint64_t lr_r5;
  75   uint64_t lr_r6;
  76   double lr_fp0;
  77   double lr_fp2;
  78   double lr_fp4;
  79   double lr_fp6;
  80 } La_s390_64_regs;
  81
  82 /* Return values for calls from PLT on s390-64.  */
  83 typedef struct La_s390_64_retval
  84 {
  85   uint64_t lrv_r2;
  86   double lrv_fp0;
  87 } La_s390_64_retval;
  88
  89
  90 __BEGIN_DECLS
  91
  92 extern Elf64_Addr la_s390_64_gnu_pltenter (Elf64_Sym *__sym,
  93                                            unsigned int __ndx,
  94                                            uintptr_t *__refcook,
  95                                            uintptr_t *__defcook,
  96                                            La_s390_64_regs *__regs,
  97                                            unsigned int *__flags,
  98                                            const char *__symname,
  99                                            long int *__framesizep);
 100 extern unsigned int la_s390_64_gnu_pltexit (Elf64_Sym *__sym,
 101                                             unsigned int __ndx,
 102                                             uintptr_t *__refcook,
 103                                             uintptr_t *__defcook,
 104                                             const La_s390_64_regs *__inregs,
 105                                             La_s390_64_retval *__outregs,
 106                                             const char *__symname);
 107
 108 __END_DECLS
 109
 110 #endif