1 | /* Override generic sotruss-lib.c to define actual functions for s390. |
2 | Copyright (C) 2012-2024 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 | #if __ELF_NATIVE_CLASS == 32 |
26 | # define la_s390_gnu_pltenter la_s390_32_gnu_pltenter |
27 | # define la_s390_gnu_pltexit la_s390_32_gnu_pltexit |
28 | # define La_s390_regs La_s390_32_regs |
29 | # define La_s390_retval La_s390_32_retval |
30 | #else |
31 | # define la_s390_gnu_pltenter la_s390_64_gnu_pltenter |
32 | # define la_s390_gnu_pltexit la_s390_64_gnu_pltexit |
33 | # define La_s390_regs La_s390_64_regs |
34 | # define La_s390_retval La_s390_64_retval |
35 | #endif |
36 | |
37 | ElfW(Addr) |
38 | la_s390_gnu_pltenter (ElfW(Sym) *sym, |
39 | unsigned int ndx __attribute__ ((unused)), |
40 | uintptr_t *refcook, uintptr_t *defcook, |
41 | La_s390_regs *regs, unsigned int *flags, |
42 | const char *symname, long int *framesizep) |
43 | { |
44 | print_enter (refcook, defcook, symname, |
45 | regs->reg1: lr_r2, regs->reg2: lr_r3, regs->reg3: lr_r4, flags: *flags); |
46 | |
47 | /* No need to copy anything, we will not need the parameters in any case. */ |
48 | *framesizep = 0; |
49 | |
50 | return sym->st_value; |
51 | } |
52 | |
53 | unsigned int |
54 | la_s390_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
55 | uintptr_t *defcook, |
56 | const struct La_s390_regs *inregs, |
57 | struct La_s390_retval *outregs, const char *symname) |
58 | { |
59 | print_exit (refcook, defcook, symname, reg: outregs->lrv_r2); |
60 | |
61 | return 0; |
62 | } |
63 | |