sysdeps/powerpc/bits/link.h

   1 /* Machine-specific declarations for dynamic linker interface.  PowerPC version
   2    Copyright (C) 2004-2014 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
  24 #if __ELF_NATIVE_CLASS == 32
  25
  26 /* Registers for entry into PLT on PPC32.  */
  27 typedef struct La_ppc32_regs
  28 {
  29   uint32_t lr_reg[8];
  30   double lr_fp[8];
  31   uint32_t lr_vreg[12][4];
  32   uint32_t lr_r1;
  33   uint32_t lr_lr;
  34 } La_ppc32_regs;
  35
  36 /* Return values for calls from PLT on PPC32.  */
  37 typedef struct La_ppc32_retval
  38 {
  39   uint32_t lrv_r3;
  40   uint32_t lrv_r4;
  41   double lrv_fp[8];
  42   uint32_t lrv_v2[4];
  43 } La_ppc32_retval;
  44
  45
  46 __BEGIN_DECLS
  47
  48 extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
  49                                          unsigned int __ndx,
  50                                          uintptr_t *__refcook,
  51                                          uintptr_t *__defcook,
  52                                          La_ppc32_regs *__regs,
  53                                          unsigned int *__flags,
  54                                          const char *__symname,
  55                                          long int *__framesizep);
  56 extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
  57                                           unsigned int __ndx,
  58                                           uintptr_t *__refcook,
  59                                           uintptr_t *__defcook,
  60                                           const La_ppc32_regs *__inregs,
  61                                           La_ppc32_retval *__outregs,
  62                                           const char *__symname);
  63
  64 __END_DECLS
  65
  66 #elif _CALL_ELF != 2
  67
  68 /* Registers for entry into PLT on PPC64.  */
  69 typedef struct La_ppc64_regs
  70 {
  71   uint64_t lr_reg[8];
  72   double lr_fp[13];
  73   uint32_t __padding;
  74   uint32_t lr_vrsave;
  75   uint32_t lr_vreg[12][4];
  76   uint64_t lr_r1;
  77   uint64_t lr_lr;
  78 } La_ppc64_regs;
  79
  80 /* Return values for calls from PLT on PPC64.  */
  81 typedef struct La_ppc64_retval
  82 {
  83   uint64_t lrv_r3;
  84   uint64_t lrv_r4;
  85   double lrv_fp[4];     /* f1-f4, float - complex long double.  */
  86   uint32_t lrv_v2[4];   /* v2.  */
  87 } La_ppc64_retval;
  88
  89
  90 __BEGIN_DECLS
  91
  92 extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
  93                                          unsigned int __ndx,
  94                                          uintptr_t *__refcook,
  95                                          uintptr_t *__defcook,
  96                                          La_ppc64_regs *__regs,
  97                                          unsigned int *__flags,
  98                                          const char *__symname,
  99                                          long int *__framesizep);
 100 extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
 101                                           unsigned int __ndx,
 102                                           uintptr_t *__refcook,
 103                                           uintptr_t *__defcook,
 104                                           const La_ppc64_regs *__inregs,
 105                                           La_ppc64_retval *__outregs,
 106                                           const char *__symname);
 107
 108 __END_DECLS
 109
 110 #else
 111
 112 /* Registers for entry into PLT on PPC64 in the ELFv2 ABI.  */
 113 typedef struct La_ppc64v2_regs
 114 {
 115   uint64_t lr_reg[8];
 116   double lr_fp[13];
 117   uint32_t __padding;
 118   uint32_t lr_vrsave;
 119   uint32_t lr_vreg[12][4] __attribute__ ((aligned (16)));
 120   uint64_t lr_r1;
 121   uint64_t lr_lr;
 122 } La_ppc64v2_regs;
 123
 124 /* Return values for calls from PLT on PPC64 in the ELFv2 ABI.  */
 125 typedef struct La_ppc64v2_retval
 126 {
 127   uint64_t lrv_r3;
 128   uint64_t lrv_r4;
 129   double lrv_fp[10];
 130   uint32_t lrv_vreg[8][4] __attribute__ ((aligned (16)));
 131 } La_ppc64v2_retval;
 132
 133
 134 __BEGIN_DECLS
 135
 136 extern Elf64_Addr la_ppc64v2_gnu_pltenter (Elf64_Sym *__sym,
 137                                            unsigned int __ndx,
 138                                            uintptr_t *__refcook,
 139                                            uintptr_t *__defcook,
 140                                            La_ppc64v2_regs *__regs,
 141                                            unsigned int *__flags,
 142                                            const char *__symname,
 143                                            long int *__framesizep);
 144 extern unsigned int la_ppc64v2_gnu_pltexit (Elf64_Sym *__sym,
 145                                             unsigned int __ndx,
 146                                             uintptr_t *__refcook,
 147                                             uintptr_t *__defcook,
 148                                             const La_ppc64v2_regs *__inregs,
 149                                             La_ppc64v2_retval *__outregs,
 150                                             const char *__symname);
 151
 152 __END_DECLS
 153
 154 #endif