1  /* Override generic sotruss-lib.c to define actual functions for AArch64.
       2     Copyright (C) 2012-2023 Free Software Foundation, Inc.
       3  
       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  #define HAVE_ARCH_PLTENTER
      21  #define HAVE_ARCH_PLTEXIT
      22  
      23  #include <elf/sotruss-lib.c>
      24  
      25  ElfW(Addr)
      26  la_aarch64_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
      27  			 unsigned int ndx __attribute__ ((unused)),
      28  			 uintptr_t *refcook, uintptr_t *defcook,
      29  			 La_aarch64_regs *regs, unsigned int *flags,
      30  			 const char *symname, long int *framesizep)
      31  {
      32    print_enter (refcook, defcook, symname,
      33  	       regs->lr_xreg[0], regs->lr_xreg[1], regs->lr_xreg[2],
      34  	       *flags);
      35  
      36    /* No need to copy anything, we will not need the parameters in any case.  */
      37    *framesizep = 0;
      38  
      39    return sym->st_value;
      40  }
      41  
      42  unsigned int
      43  la_aarch64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
      44  			uintptr_t *defcook,
      45  			const struct La_aarch64_regs *inregs,
      46  			struct La_aarch64_retval *outregs, const char *symname)
      47  {
      48    print_exit (refcook, defcook, symname, outregs->lrv_xreg[0]);
      49  
      50    return 0;
      51  }