sysdeps/powerpc/bits/link.h

   1 /* Machine-specific declarations for dynamic linker interface.  PowerPC version
   2    Copyright (C) 2004, 2005, 2009 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _LINK_H
  21 # error "Never include <bits/link.h> directly; use <link.h> instead."
  22 #endif
  23
  24
  25 #if __ELF_NATIVE_CLASS == 32
  26
  27 /* Registers for entry into PLT on PPC32.  */
  28 typedef struct La_ppc32_regs
  29 {
  30   uint32_t lr_reg[8];
  31   double lr_fp[8];
  32   uint32_t lr_vreg[12][4];
  33   uint32_t lr_r1;
  34   uint32_t lr_lr;
  35 } La_ppc32_regs;
  36
  37 /* Return values for calls from PLT on PPC32.  */
  38 typedef struct La_ppc32_retval
  39 {
  40   uint32_t lrv_r3;
  41   uint32_t lrv_r4;
  42   double lrv_fp[8];
  43   uint32_t lrv_v2[4];
  44 } La_ppc32_retval;
  45
  46
  47 __BEGIN_DECLS
  48
  49 extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
  50                                          unsigned int __ndx,
  51                                          uintptr_t *__refcook,
  52                                          uintptr_t *__defcook,
  53                                          La_ppc32_regs *__regs,
  54                                          unsigned int *__flags,
  55                                          const char *__symname,
  56                                          long int *__framesizep);
  57 extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
  58                                           unsigned int __ndx,
  59                                           uintptr_t *__refcook,
  60                                           uintptr_t *__defcook,
  61                                           const La_ppc32_regs *__inregs,
  62                                           La_ppc32_retval *__outregs,
  63                                           const char *__symname);
  64
  65 __END_DECLS
  66
  67 #else
  68
  69 /* Registers for entry into PLT on PPC64.  */
  70 typedef struct La_ppc64_regs
  71 {
  72   uint64_t lr_reg[8];
  73   double lr_fp[13];
  74   uint32_t __padding;
  75   uint32_t lr_vrsave;
  76   uint32_t lr_vreg[12][4];
  77   uint64_t lr_r1;
  78   uint64_t lr_lr;
  79 } La_ppc64_regs;
  80
  81 /* Return values for calls from PLT on PPC64.  */
  82 typedef struct La_ppc64_retval
  83 {
  84   uint64_t lrv_r3;
  85   uint64_t lrv_r4;
  86   double lrv_fp[4];     /* f1-f4, float - complex long double.  */
  87   uint32_t lrv_v2[4];   /* v2.  */
  88 } La_ppc64_retval;
  89
  90
  91 __BEGIN_DECLS
  92
  93 extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
  94                                          unsigned int __ndx,
  95                                          uintptr_t *__refcook,
  96                                          uintptr_t *__defcook,
  97                                          La_ppc64_regs *__regs,
  98                                          unsigned int *__flags,
  99                                          const char *__symname,
 100                                          long int *__framesizep);
 101 extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
 102                                           unsigned int __ndx,
 103                                           uintptr_t *__refcook,
 104                                           uintptr_t *__defcook,
 105                                           const La_ppc64_regs *__inregs,
 106                                           La_ppc64_retval *__outregs,
 107                                           const char *__symname);
 108
 109 __END_DECLS
 110
 111 #endif