1/* Override generic sotruss-lib.c to define actual functions for MIPS.
2 Copyright (C) 2012-2022 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#if _MIPS_SIM == _ABIO32
25
26ElfW(Addr)
27la_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 reg1: regs->lr_reg[0], reg2: regs->lr_reg[1], reg3: regs->lr_reg[2],
35 flags: *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
43unsigned int
44la_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, reg: outregs->lrv_v0);
51
52 return 0;
53}
54
55#elif _MIPS_SIM == _ABIN32
56
57ElfW(Addr)
58la_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
74unsigned int
75la_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
88ElfW(Addr)
89la_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
105unsigned int
106la_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
118

source code of glibc/sysdeps/mips/sotruss-lib.c