1  /* Function descriptors.  HPPA version.
       2     Copyright (C) 2003-2023 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  #ifndef dl_hppa_fptr_h
      20  #define dl_hppa_fptr_h 1
      21  
      22  #include <sysdeps/generic/dl-fptr.h>
      23  
      24  /* Initialize function pointer code. Call before relocation processing.  */
      25  extern void _dl_fptr_init (void);
      26  
      27  /* There are currently 33 dynamic symbols in ld.so.
      28     ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big.  */
      29  #define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 64
      30  
      31  #define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \
      32    asm (								\
      33  "	b,l	1f,%0\n"					\
      34  "	addil	L'" #symbol " - ($PIC_pcrel$0 - 1),%0\n"	\
      35  "1:	ldo	R'" #symbol " - ($PIC_pcrel$0 - 5)(%%r1),%0\n"	\
      36     : "=&r" (var) : : "r1");
      37  
      38  #endif /* !dl_hppa_fptr_h */