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fa9fef1f | 1 | /* Test case for i386 preserved registers in dynamic linker. |
bfff8b1b | 2 | Copyright (C) 2015-2017 Free Software Foundation, Inc. |
fa9fef1f L |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <dlfcn.h> | |
20 | #include <stdint.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <stddef.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <link.h> | |
27 | #include <bits/wordsize.h> | |
28 | #include <gnu/lib-names.h> | |
29 | ||
30 | unsigned int | |
31 | la_version (unsigned int v) | |
32 | { | |
33 | setlinebuf (stdout); | |
34 | ||
35 | printf ("version: %u\n", v); | |
36 | ||
37 | char buf[20]; | |
38 | sprintf (buf, "%u", v); | |
39 | ||
40 | return v; | |
41 | } | |
42 | ||
43 | void | |
44 | la_activity (uintptr_t *cookie, unsigned int flag) | |
45 | { | |
46 | const char *flagstr; | |
47 | switch (flag) | |
48 | { | |
49 | case LA_ACT_CONSISTENT: | |
50 | flagstr = "consistent"; | |
51 | break; | |
52 | case LA_ACT_ADD: | |
53 | flagstr = "add"; | |
54 | break; | |
55 | case LA_ACT_DELETE: | |
56 | flagstr = "delete"; | |
57 | break; | |
58 | default: | |
59 | printf ("activity: unknown activity %u\n", flag); | |
60 | return; | |
61 | } | |
62 | printf ("activity: %s\n", flagstr); | |
63 | } | |
64 | ||
65 | char * | |
66 | la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) | |
67 | { | |
68 | const char *flagstr; | |
69 | switch (flag) | |
70 | { | |
71 | case LA_SER_ORIG: | |
72 | flagstr = "LA_SET_ORIG"; | |
73 | break; | |
74 | case LA_SER_LIBPATH: | |
75 | flagstr = "LA_SER_LIBPATH"; | |
76 | break; | |
77 | case LA_SER_RUNPATH: | |
78 | flagstr = "LA_SER_RUNPATH"; | |
79 | break; | |
80 | case LA_SER_CONFIG: | |
81 | flagstr = "LA_SER_CONFIG"; | |
82 | break; | |
83 | case LA_SER_DEFAULT: | |
84 | flagstr = "LA_SER_DEFAULT"; | |
d2ff039f | 85 | break; |
fa9fef1f L |
86 | case LA_SER_SECURE: |
87 | flagstr = "LA_SER_SECURE"; | |
88 | break; | |
89 | default: | |
90 | printf ("objsearch: %s, unknown flag %d\n", name, flag); | |
91 | return (char *) name; | |
92 | } | |
93 | ||
94 | printf ("objsearch: %s, %s\n", name, flagstr); | |
95 | return (char *) name; | |
96 | } | |
97 | ||
98 | unsigned int | |
99 | la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) | |
100 | { | |
101 | printf ("objopen: %ld, %s\n", lmid, l->l_name); | |
102 | ||
103 | return 3; | |
104 | } | |
105 | ||
106 | void | |
107 | la_preinit (uintptr_t *cookie) | |
108 | { | |
109 | printf ("preinit\n"); | |
110 | } | |
111 | ||
112 | unsigned int | |
113 | la_objclose (uintptr_t *cookie) | |
114 | { | |
115 | printf ("objclose\n"); | |
116 | return 0; | |
117 | } | |
118 | ||
119 | uintptr_t | |
120 | la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook, | |
121 | uintptr_t *defcook, unsigned int *flags, const char *symname) | |
122 | { | |
123 | printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", | |
124 | symname, (long int) sym->st_value, ndx, *flags); | |
125 | ||
126 | return sym->st_value; | |
127 | } | |
128 | ||
129 | #include "tst-audit.h" | |
130 | ||
131 | ElfW(Addr) | |
132 | pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, | |
133 | uintptr_t *defcook, La_regs *regs, unsigned int *flags, | |
134 | const char *symname, long int *framesizep) | |
135 | { | |
136 | printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", | |
137 | symname, (long int) sym->st_value, ndx, *flags); | |
138 | ||
139 | if (strcmp (symname, "audit1_test") == 0 | |
140 | || strcmp (symname, "audit2_test") == 0) | |
141 | { | |
142 | if (regs->lr_eax != 1 | |
143 | || regs->lr_edx != 2 | |
144 | || regs->lr_ecx != 3) | |
145 | abort (); | |
146 | ||
147 | *framesizep = 200; | |
148 | } | |
149 | ||
150 | return sym->st_value; | |
151 | } | |
152 | ||
153 | unsigned int | |
154 | pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, | |
155 | uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, | |
156 | const char *symname) | |
157 | { | |
158 | printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n", | |
159 | symname, (long int) sym->st_value, ndx, | |
160 | (ptrdiff_t) outregs->int_retval); | |
161 | ||
162 | if (strcmp (symname, "audit1_test") == 0 | |
163 | || strcmp (symname, "audit2_test") == 0) | |
164 | { | |
165 | if (inregs->lr_eax != 1 | |
166 | || inregs->lr_edx != 2 | |
167 | || inregs->lr_ecx != 3) | |
168 | abort (); | |
169 | ||
170 | if (strcmp (symname, "audit1_test") == 0) | |
171 | { | |
172 | long long x = ((unsigned long long) outregs->lrv_eax | |
173 | | (unsigned long long) outregs->lrv_edx << 32); | |
174 | ||
175 | if (x != 30) | |
176 | abort (); | |
177 | } | |
178 | else if (strcmp (symname, "audit2_test") == 0) | |
179 | { | |
180 | if (outregs->lrv_st0 != 30) | |
181 | abort (); | |
182 | } | |
183 | } | |
184 | ||
185 | return 0; | |
186 | } |