1 /* PowerPC specific sotruss-lib functions.
2 Copyright (C) 2013-2022 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 #ifdef __powerpc64__
26 # if _CALL_ELF != 2
27 # define LA_PPC_REGS La_ppc64_regs
28 # define LA_PPC_RETVAL La_ppc64_retval
29 # define LA_PPC_GNU_PLTENTER la_ppc64_gnu_pltenter
30 # define LA_PPC_GNU_PLTEXIT la_ppc64_gnu_pltexit
31 # else
32 # define LA_PPC_REGS La_ppc64v2_regs
33 # define LA_PPC_RETVAL La_ppc64v2_retval
34 # define LA_PPC_GNU_PLTENTER la_ppc64v2_gnu_pltenter
35 # define LA_PPC_GNU_PLTEXIT la_ppc64v2_gnu_pltexit
36 # endif
37 # else
38 # define LA_PPC_REGS La_ppc32_regs
39 # define LA_PPC_RETVAL La_ppc32_retval
40 # define LA_PPC_GNU_PLTENTER la_ppc32_gnu_pltenter
41 # define LA_PPC_GNU_PLTEXIT la_ppc32_gnu_pltexit
42 #endif
43
44 ElfW(Addr)
LA_PPC_GNU_PLTENTER(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,LA_PPC_REGS * regs,unsigned int * flags,const char * symname,long int * framesizep)45 LA_PPC_GNU_PLTENTER (ElfW(Sym) *sym __attribute__ ((unused)),
46 unsigned int ndx __attribute__ ((unused)),
47 uintptr_t *refcook, uintptr_t *defcook,
48 LA_PPC_REGS *regs, unsigned int *flags,
49 const char *symname, long int *framesizep)
50 {
51 print_enter (refcook, defcook, symname,
52 regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2], *flags);
53
54 /* No need to copy anything, we will not need the parameters in any case. */
55 *framesizep = 0;
56
57 return sym->st_value;
58 }
59
60 unsigned int
LA_PPC_GNU_PLTEXIT(ElfW (Sym)* sym,unsigned int ndx,uintptr_t * refcook,uintptr_t * defcook,const struct LA_PPC_REGS * inregs,struct LA_PPC_RETVAL * outregs,const char * symname)61 LA_PPC_GNU_PLTEXIT (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
62 uintptr_t *defcook,
63 const struct LA_PPC_REGS *inregs,
64 struct LA_PPC_RETVAL *outregs, const char *symname)
65 {
66 print_exit (refcook, defcook, symname, outregs->lrv_r3);
67
68 return 0;
69 }
70