sysdeps/x86/ldsodefs.h

   1 /* Run-time dynamic linker data structures for loaded ELF shared objects.
   2    X86 version.
   3    Copyright (C) 1995-2022 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #ifndef _X86_LDSODEFS_H
  21 #define _X86_LDSODEFS_H 1
  22
  23 #include <elf.h>
  24 #include <cpu-features.h>
  25
  26 struct La_i86_regs;
  27 struct La_i86_retval;
  28 struct La_x86_64_regs;
  29 struct La_x86_64_retval;
  30 struct La_x32_regs;
  31 struct La_x32_retval;
  32
  33 #define ARCH_PLTENTER_MEMBERS                                           \
  34     Elf32_Addr (*i86_gnu_pltenter) (Elf32_Sym *, unsigned int, uintptr_t *, \
  35                                     uintptr_t *, struct La_i86_regs *,  \
  36                                     unsigned int *, const char *name,   \
  37                                     long int *framesizep);              \
  38     Elf64_Addr (*x86_64_gnu_pltenter) (Elf64_Sym *, unsigned int,       \
  39                                        uintptr_t *,                     \
  40                                        uintptr_t *, struct La_x86_64_regs *, \
  41                                        unsigned int *, const char *name, \
  42                                        long int *framesizep);           \
  43     Elf32_Addr (*x32_gnu_pltenter) (Elf32_Sym *, unsigned int, uintptr_t *, \
  44                                     uintptr_t *, struct La_x32_regs *,  \
  45                                     unsigned int *, const char *name,   \
  46                                     long int *framesizep)
  47
  48 #define ARCH_PLTEXIT_MEMBERS                                            \
  49     unsigned int (*i86_gnu_pltexit) (Elf32_Sym *, unsigned int, uintptr_t *, \
  50                                      uintptr_t *, const struct La_i86_regs *, \
  51                                      struct La_i86_retval *, const char *); \
  52     unsigned int (*x86_64_gnu_pltexit) (Elf64_Sym *, unsigned int,      \
  53                                         uintptr_t *,                    \
  54                                         uintptr_t *,                    \
  55                                         const struct La_x86_64_regs *,  \
  56                                         struct La_x86_64_retval *,      \
  57                                         const char *);                  \
  58     unsigned int (*x32_gnu_pltexit) (Elf32_Sym *, unsigned int, uintptr_t *, \
  59                                      uintptr_t *,                       \
  60                                      const struct La_x32_regs *,        \
  61                                      struct La_x86_64_retval *,         \
  62                                      const char *)
  63
  64 #include <cet-control.h>
  65 #include_next <ldsodefs.h>
  66
  67 #endif