sysdeps/s390/bits/link.h

   1 /* Copyright (C) 2005, 2009 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _LINK_H
  20 # error "Never include <bits/link.h> directly; use <link.h> instead."
  21 #endif
  22
  23
  24 #if __ELF_NATIVE_CLASS == 32
  25
  26 /* Registers for entry into PLT on s390-32.  */
  27 typedef struct La_s390_32_regs
  28 {
  29   uint32_t lr_r2;
  30   uint32_t lr_r3;
  31   uint32_t lr_r4;
  32   uint32_t lr_r5;
  33   uint32_t lr_r6;
  34   double lr_fp0;
  35   double lr_fp2;
  36 } La_s390_32_regs;
  37
  38 /* Return values for calls from PLT on s390-32.  */
  39 typedef struct La_s390_32_retval
  40 {
  41   uint32_t lrv_r2;
  42   uint32_t lrv_r3;
  43   double lrv_fp0;
  44 } La_s390_32_retval;
  45
  46
  47 __BEGIN_DECLS
  48
  49 extern Elf32_Addr la_s390_32_gnu_pltenter (Elf32_Sym *__sym,
  50                                            unsigned int __ndx,
  51                                            uintptr_t *__refcook,
  52                                            uintptr_t *__defcook,
  53                                            La_s390_32_regs *__regs,
  54                                            unsigned int *__flags,
  55                                            const char *__symname,
  56                                            long int *__framesizep);
  57 extern unsigned int la_s390_32_gnu_pltexit (Elf32_Sym *__sym,
  58                                             unsigned int __ndx,
  59                                             uintptr_t *__refcook,
  60                                             uintptr_t *__defcook,
  61                                             const La_s390_32_regs *__inregs,
  62                                             La_s390_32_retval *__outregs,
  63                                             const char *symname);
  64
  65 __END_DECLS
  66
  67 #else
  68
  69 /* Registers for entry into PLT on s390-64.  */
  70 typedef struct La_s390_64_regs
  71 {
  72   uint64_t lr_r2;
  73   uint64_t lr_r3;
  74   uint64_t lr_r4;
  75   uint64_t lr_r5;
  76   uint64_t lr_r6;
  77   double lr_fp0;
  78   double lr_fp2;
  79   double lr_fp4;
  80   double lr_fp6;
  81 } La_s390_64_regs;
  82
  83 /* Return values for calls from PLT on s390-64.  */
  84 typedef struct La_s390_64_retval
  85 {
  86   uint64_t lrv_r2;
  87   double lrv_fp0;
  88 } La_s390_64_retval;
  89
  90
  91 __BEGIN_DECLS
  92
  93 extern Elf64_Addr la_s390_64_gnu_pltenter (Elf64_Sym *__sym,
  94                                            unsigned int __ndx,
  95                                            uintptr_t *__refcook,
  96                                            uintptr_t *__defcook,
  97                                            La_s390_64_regs *__regs,
  98                                            unsigned int *__flags,
  99                                            const char *__symname,
 100                                            long int *__framesizep);
 101 extern unsigned int la_s390_64_gnu_pltexit (Elf64_Sym *__sym,
 102                                             unsigned int __ndx,
 103                                             uintptr_t *__refcook,
 104                                             uintptr_t *__defcook,
 105                                             const La_s390_64_regs *__inregs,
 106                                             La_s390_64_retval *__outregs,
 107                                             const char *__symname);
 108
 109 __END_DECLS
 110
 111 #endif