1 | /* Verify that changing xmm registers in audit library won't affect |
2 | function parameter passing/return. */ |
3 | |
4 | #include <dlfcn.h> |
5 | #include <link.h> |
6 | #include <stddef.h> |
7 | #include <stdint.h> |
8 | #include <stdio.h> |
9 | #include <stdlib.h> |
10 | #include <string.h> |
11 | #include <unistd.h> |
12 | #include <bits/wordsize.h> |
13 | #include <gnu/lib-names.h> |
14 | #include <emmintrin.h> |
15 | |
16 | unsigned int |
17 | la_version (unsigned int v) |
18 | { |
19 | setlinebuf (stdout); |
20 | |
21 | printf (format: "version: %u\n" , v); |
22 | |
23 | char buf[20]; |
24 | sprintf (buf, "%u" , v); |
25 | |
26 | return v; |
27 | } |
28 | |
29 | void |
30 | la_activity (uintptr_t *cookie, unsigned int flag) |
31 | { |
32 | if (flag == LA_ACT_CONSISTENT) |
33 | printf (format: "activity: consistent\n" ); |
34 | else if (flag == LA_ACT_ADD) |
35 | printf (format: "activity: add\n" ); |
36 | else if (flag == LA_ACT_DELETE) |
37 | printf (format: "activity: delete\n" ); |
38 | else |
39 | printf (format: "activity: unknown activity %u\n" , flag); |
40 | } |
41 | |
42 | char * |
43 | la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) |
44 | { |
45 | char buf[100]; |
46 | const char *flagstr; |
47 | if (flag == LA_SER_ORIG) |
48 | flagstr = "LA_SET_ORIG" ; |
49 | else if (flag == LA_SER_LIBPATH) |
50 | flagstr = "LA_SER_LIBPATH" ; |
51 | else if (flag == LA_SER_RUNPATH) |
52 | flagstr = "LA_SER_RUNPATH" ; |
53 | else if (flag == LA_SER_CONFIG) |
54 | flagstr = "LA_SER_CONFIG" ; |
55 | else if (flag == LA_SER_DEFAULT) |
56 | flagstr = "LA_SER_DEFAULT" ; |
57 | else if (flag == LA_SER_SECURE) |
58 | flagstr = "LA_SER_SECURE" ; |
59 | else |
60 | { |
61 | sprintf (buf, "unknown flag %d" , flag); |
62 | flagstr = buf; |
63 | } |
64 | printf (format: "objsearch: %s, %s\n" , name, flagstr); |
65 | |
66 | return (char *) name; |
67 | } |
68 | |
69 | unsigned int |
70 | la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) |
71 | { |
72 | printf (format: "objopen: %ld, %s\n" , lmid, l->l_name); |
73 | |
74 | return 3; |
75 | } |
76 | |
77 | void |
78 | la_preinit (uintptr_t *cookie) |
79 | { |
80 | printf (format: "preinit\n" ); |
81 | } |
82 | |
83 | unsigned int |
84 | la_objclose (uintptr_t *cookie) |
85 | { |
86 | printf (format: "objclose\n" ); |
87 | return 0; |
88 | } |
89 | |
90 | uintptr_t |
91 | la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook, |
92 | uintptr_t *defcook, unsigned int *flags, const char *symname) |
93 | { |
94 | printf (format: "symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n" , |
95 | symname, (long int) sym->st_value, ndx, *flags); |
96 | |
97 | return sym->st_value; |
98 | } |
99 | |
100 | uintptr_t |
101 | la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook, |
102 | uintptr_t *defcook, unsigned int *flags, const char *symname) |
103 | { |
104 | printf (format: "symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n" , |
105 | symname, (long int) sym->st_value, ndx, *flags); |
106 | |
107 | return sym->st_value; |
108 | } |
109 | |
110 | #include <tst-audit.h> |
111 | |
112 | ElfW(Addr) |
113 | pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
114 | uintptr_t *defcook, La_regs *regs, unsigned int *flags, |
115 | const char *symname, long int *framesizep) |
116 | { |
117 | printf (format: "pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n" , |
118 | symname, (long int) sym->st_value, ndx, *flags); |
119 | |
120 | __m128i xmm = _mm_set1_epi32 (i: -1); |
121 | asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" ); |
122 | asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" ); |
123 | asm volatile ("movdqa %0, %%xmm2" : : "x" (xmm) : "xmm2" ); |
124 | asm volatile ("movdqa %0, %%xmm3" : : "x" (xmm) : "xmm3" ); |
125 | asm volatile ("movdqa %0, %%xmm4" : : "x" (xmm) : "xmm4" ); |
126 | asm volatile ("movdqa %0, %%xmm5" : : "x" (xmm) : "xmm5" ); |
127 | asm volatile ("movdqa %0, %%xmm6" : : "x" (xmm) : "xmm6" ); |
128 | asm volatile ("movdqa %0, %%xmm7" : : "x" (xmm) : "xmm7" ); |
129 | |
130 | return sym->st_value; |
131 | } |
132 | |
133 | unsigned int |
134 | pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
135 | uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, |
136 | const char *symname) |
137 | { |
138 | printf (format: "pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n" , |
139 | symname, (long int) sym->st_value, ndx, |
140 | (ptrdiff_t) outregs->int_retval); |
141 | |
142 | __m128i xmm = _mm_set1_epi32 (i: -1); |
143 | asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" ); |
144 | asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" ); |
145 | asm volatile ("movdqa %0, %%xmm2" : : "x" (xmm) : "xmm2" ); |
146 | asm volatile ("movdqa %0, %%xmm3" : : "x" (xmm) : "xmm3" ); |
147 | asm volatile ("movdqa %0, %%xmm4" : : "x" (xmm) : "xmm4" ); |
148 | asm volatile ("movdqa %0, %%xmm5" : : "x" (xmm) : "xmm5" ); |
149 | asm volatile ("movdqa %0, %%xmm6" : : "x" (xmm) : "xmm6" ); |
150 | asm volatile ("movdqa %0, %%xmm7" : : "x" (xmm) : "xmm7" ); |
151 | |
152 | return 0; |
153 | } |
154 | |