1  /* Configuration of lookup functions.  SPARC64 version.
       2     Copyright (C) 2023 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     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* The type of the return value of fixup/profile_fixup.  */
      20  #define DL_FIXUP_VALUE_TYPE ElfW(Addr)
      21  /* Construct a value of type DL_FIXUP_VALUE_TYPE from a code address
      22     and a link map.  */
      23  #define DL_FIXUP_MAKE_VALUE(map, addr) (addr)
      24  /* Extract the code address from a value of type DL_FIXUP_MAKE_VALUE.
      25   */
      26  #define DL_FIXUP_VALUE_CODE_ADDR(value) (value)
      27  #define DL_FIXUP_VALUE_ADDR(value) (value)
      28  #define DL_FIXUP_ADDR_VALUE(addr) (addr)
      29  #define DL_FIXUP_BINDNOW_ADDR_VALUE(addr) (addr)
      30  /* For bindnow, _dl_audit_symbind will be responsible to setup the final value
      31     while for lazy binding _dl_fixup/_dl_profile_fixup will call the audit
      32     callbacks and tail cail elf_machine_fixup_plt.  */
      33  #ifdef __arch64__
      34  # define DL_SPARC_FIXUP(l, r, value, new_value)                              \
      35    sparc64_fixup_plt (l, r, value, new_value, (r)->r_addend, 0)
      36  #else
      37  # define DL_SPARC_FIXUP(l, r, value, new_value)                              \
      38    sparc_fixup_plt (r, value, new_value, 0, 1)
      39  #endif
      40  #define DL_FIXUP_BINDNOW_RELOC(l, reloc, value, new_value, st_value, lazy)   \
      41    ({                                                                         \
      42       if (lazy)                                                               \
      43         (*value) = st_value;                                                  \
      44       else                                                                    \
      45         {                                                                     \
      46           const PLTREL *__r = (reloc);                                        \
      47           DL_SPARC_FIXUP (l, __r, value, new_value);                          \
      48         }                                                                     \
      49    })