1  /* Override generic sotruss-lib.c to define actual functions for MIPS.
       2     Copyright (C) 2012-2023 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  #define HAVE_ARCH_PLTENTER
      20  #define HAVE_ARCH_PLTEXIT
      21  
      22  #include <elf/sotruss-lib.c>
      23  
      24  #if _MIPS_SIM == _ABIO32
      25  
      26  ElfW(Addr)
      27  la_mips_o32_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
      28  			  unsigned int ndx __attribute__ ((unused)),
      29  			  uintptr_t *refcook, uintptr_t *defcook,
      30  			  La_mips_32_regs *regs, unsigned int *flags,
      31  			  const char *symname, long int *framesizep)
      32  {
      33    print_enter (refcook, defcook, symname,
      34  	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
      35  	       *flags);
      36  
      37    /* No need to copy anything, we will not need the parameters in any case.  */
      38    *framesizep = 0;
      39  
      40    return sym->st_value;
      41  }
      42  
      43  unsigned int
      44  la_mips_o32_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
      45  			 uintptr_t *defcook,
      46  			 const struct La_mips_32_regs *inregs,
      47  			 struct La_mips_32_retval *outregs,
      48  			 const char *symname)
      49  {
      50    print_exit (refcook, defcook, symname, outregs->lrv_v0);
      51  
      52    return 0;
      53  }
      54  
      55  #elif _MIPS_SIM == _ABIN32
      56  
      57  ElfW(Addr)
      58  la_mips_n32_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
      59  			  unsigned int ndx __attribute__ ((unused)),
      60  			  uintptr_t *refcook, uintptr_t *defcook,
      61  			  La_mips_64_regs *regs, unsigned int *flags,
      62  			  const char *symname, long int *framesizep)
      63  {
      64    print_enter (refcook, defcook, symname,
      65  	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
      66  	       *flags);
      67  
      68    /* No need to copy anything, we will not need the parameters in any case.  */
      69    *framesizep = 0;
      70  
      71    return sym->st_value;
      72  }
      73  
      74  unsigned int
      75  la_mips_n32_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
      76  			 uintptr_t *defcook,
      77  			 const struct La_mips_64_regs *inregs,
      78  			 struct La_mips_64_retval *outregs,
      79  			 const char *symname)
      80  {
      81    print_exit (refcook, defcook, symname, outregs->lrv_v0);
      82  
      83    return 0;
      84  }
      85  
      86  #else
      87  
      88  ElfW(Addr)
      89  la_mips_n64_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
      90  			  unsigned int ndx __attribute__ ((unused)),
      91  			  uintptr_t *refcook, uintptr_t *defcook,
      92  			  La_mips_64_regs *regs, unsigned int *flags,
      93  			  const char *symname, long int *framesizep)
      94  {
      95    print_enter (refcook, defcook, symname,
      96  	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
      97  	       *flags);
      98  
      99    /* No need to copy anything, we will not need the parameters in any case.  */
     100    *framesizep = 0;
     101  
     102    return sym->st_value;
     103  }
     104  
     105  unsigned int
     106  la_mips_n64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
     107  			 uintptr_t *defcook,
     108  			 const struct La_mips_64_regs *inregs,
     109  			 struct La_mips_64_retval *outregs,
     110  			 const char *symname)
     111  {
     112    print_exit (refcook, defcook, symname, outregs->lrv_v0);
     113  
     114    return 0;
     115  }
     116  
     117  #endif