sysdeps/mips/bits/link.h

   1 /* Copyright (C) 2005-2024 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    <https://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 #include <sgidefs.h>
  23
  24 #if _MIPS_SIM == _ABIO32
  25
  26 /* Registers for entry into PLT on MIPS.  */
  27 typedef struct La_mips_32_regs
  28 {
  29   uint32_t lr_reg[4]; /* $a0 through $a3 */
  30   double lr_fpreg[2]; /* $f12 and $f14 */
  31   uint32_t lr_ra;
  32   uint32_t lr_sp;
  33 } La_mips_32_regs;
  34
  35 /* Return values for calls from PLT on MIPS.  */
  36 typedef struct La_mips_32_retval
  37 {
  38   uint32_t lrv_v0;
  39   uint32_t lrv_v1;
  40   double lrv_f0;
  41   double lrv_f2;
  42 } La_mips_32_retval;
  43
  44 #else
  45
  46 typedef struct La_mips_64_regs
  47 {
  48   uint64_t lr_reg[8]; /* $a0 through $a7 */
  49   double lr_fpreg[8]; /* $f12 through $f19 */
  50   uint64_t lr_ra;
  51   uint64_t lr_sp;
  52 } La_mips_64_regs;
  53
  54 /* Return values for calls from PLT on MIPS.  */
  55 typedef struct La_mips_64_retval
  56 {
  57   uint64_t lrv_v0;
  58   uint64_t lrv_v1;
  59   double lrv_f0;
  60   double lrv_f2;
  61 } La_mips_64_retval;
  62
  63 #endif
  64
  65 __BEGIN_DECLS
  66
  67 #if _MIPS_SIM == _ABIO32
  68
  69 extern Elf32_Addr la_mips_o32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
  70                                             uintptr_t *__refcook,
  71                                             uintptr_t *__defcook,
  72                                             La_mips_32_regs *__regs,
  73                                             unsigned int *__flags,
  74                                             const char *__symname,
  75                                             long int *__framesizep);
  76 extern unsigned int la_mips_o32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
  77                                              uintptr_t *__refcook,
  78                                              uintptr_t *__defcook,
  79                                              const La_mips_32_regs *__inregs,
  80                                              La_mips_32_retval *__outregs,
  81                                              const char *__symname);
  82
  83 #elif _MIPS_SIM == _ABIN32
  84
  85 extern Elf32_Addr la_mips_n32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
  86                                             uintptr_t *__refcook,
  87                                             uintptr_t *__defcook,
  88                                             La_mips_64_regs *__regs,
  89                                             unsigned int *__flags,
  90                                             const char *__symname,
  91                                             long int *__framesizep);
  92 extern unsigned int la_mips_n32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
  93                                              uintptr_t *__refcook,
  94                                              uintptr_t *__defcook,
  95                                              const La_mips_64_regs *__inregs,
  96                                              La_mips_64_retval *__outregs,
  97                                              const char *__symname);
  98
  99 #else
 100
 101 extern Elf64_Addr la_mips_n64_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
 102                                             uintptr_t *__refcook,
 103                                             uintptr_t *__defcook,
 104                                             La_mips_64_regs *__regs,
 105                                             unsigned int *__flags,
 106                                             const char *__symname,
 107                                             long int *__framesizep);
 108 extern unsigned int la_mips_n64_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
 109                                              uintptr_t *__refcook,
 110                                              uintptr_t *__defcook,
 111                                              const La_mips_64_regs *__inregs,
 112                                              La_mips_64_retval *__outregs,
 113                                              const char *__symname);
 114
 115 #endif
 116
 117 __END_DECLS