1 /* Override generic sotruss-lib.c to define actual functions for ARC.
2    Copyright (C) 2020-2022 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 ElfW(Addr)
la_arc_gnu_pltenter(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,La_arc_regs * regs,unsigned int * flags,const char * symname,long int * framesizep)25 la_arc_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
26 		       unsigned int ndx __attribute__ ((unused)),
27 		       uintptr_t *refcook, uintptr_t *defcook,
28 		       La_arc_regs *regs, unsigned int *flags,
29 		       const char *symname, long int *framesizep)
30 {
31   print_enter (refcook, defcook, symname,
32 	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
33 	       *flags);
34 
35   /* No need to copy anything, we will not need the parameters in any case.  */
36   *framesizep = 0;
37 
38   return sym->st_value;
39 }
40 
41 unsigned int
la_arc_gnu_pltexit(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,const struct La_arc_regs * inregs,struct La_arc_retval * outregs,const char * symname)42 la_arc_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
43 		      uintptr_t *defcook,
44 		      const struct La_arc_regs *inregs,
45 		      struct La_arc_retval *outregs, const char *symname)
46 {
47   print_exit (refcook, defcook, symname, outregs->lrv_reg[0]);
48 
49   return 0;
50 }
51