1 /* Verify that changing xmm registers in audit library won't affect
2 function parameter passing/return. */
10 #include <bits/wordsize.h>
11 #include <gnu/lib-names.h>
12 #include <emmintrin.h>
15 la_version (unsigned int v)
19 printf ("version: %u\n", v);
22 sprintf (buf, "%u", v);
28 la_activity (uintptr_t *cookie, unsigned int flag)
30 if (flag == LA_ACT_CONSISTENT)
31 printf ("activity: consistent\n");
32 else if (flag == LA_ACT_ADD)
33 printf ("activity: add\n");
34 else if (flag == LA_ACT_DELETE)
35 printf ("activity: delete\n");
37 printf ("activity: unknown activity %u\n", flag);
41 la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
45 if (flag == LA_SER_ORIG)
46 flagstr = "LA_SET_ORIG";
47 else if (flag == LA_SER_LIBPATH)
48 flagstr = "LA_SER_LIBPATH";
49 else if (flag == LA_SER_RUNPATH)
50 flagstr = "LA_SER_RUNPATH";
51 else if (flag == LA_SER_CONFIG)
52 flagstr = "LA_SER_CONFIG";
53 else if (flag == LA_SER_DEFAULT)
54 flagstr = "LA_SER_DEFAULT";
55 else if (flag == LA_SER_SECURE)
56 flagstr = "LA_SER_SECURE";
59 sprintf (buf, "unknown flag %d", flag);
62 printf ("objsearch: %s, %s\n", name, flagstr);
68 la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)
70 printf ("objopen: %ld, %s\n", lmid, l->l_name);
76 la_preinit (uintptr_t *cookie)
82 la_objclose (uintptr_t *cookie)
84 printf ("objclose\n");
89 la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
90 uintptr_t *defcook, unsigned int *flags, const char *symname)
92 printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
93 symname, (long int) sym->st_value, ndx, *flags);
98 #include <tst-audit.h>
101 pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
102 uintptr_t *defcook, La_regs *regs, unsigned int *flags,
103 const char *symname, long int *framesizep)
105 printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
106 symname, (long int) sym->st_value, ndx, *flags);
108 __m128i minusone = _mm_set1_epi32 (-1);
110 if (strcmp (symname, "audit_test") == 0)
112 __m128i zero = _mm_setzero_si128 ();
113 if (memcmp (®s->lr_xmm[0], &zero, sizeof (zero))
114 || memcmp (®s->lr_xmm[1], &zero, sizeof (zero))
115 || memcmp (®s->lr_xmm[2], &zero, sizeof (zero))
116 || memcmp (®s->lr_xmm[3], &zero, sizeof (zero))
117 || memcmp (®s->lr_xmm[4], &zero, sizeof (zero))
118 || memcmp (®s->lr_xmm[5], &zero, sizeof (zero))
119 || memcmp (®s->lr_xmm[6], &zero, sizeof (zero))
120 || memcmp (®s->lr_xmm[7], &zero, sizeof (zero)))
123 for (int i = 0; i < 8; i++)
124 regs->lr_xmm[i] = (La_x86_64_xmm) _mm_set1_epi32 (i + 1);
129 asm volatile ("movdqa %0, %%xmm0" : : "x" (minusone) : "xmm0" );
130 asm volatile ("movdqa %0, %%xmm1" : : "x" (minusone) : "xmm1" );
131 asm volatile ("movdqa %0, %%xmm2" : : "x" (minusone) : "xmm2" );
132 asm volatile ("movdqa %0, %%xmm3" : : "x" (minusone) : "xmm3" );
133 asm volatile ("movdqa %0, %%xmm4" : : "x" (minusone) : "xmm4" );
134 asm volatile ("movdqa %0, %%xmm5" : : "x" (minusone) : "xmm5" );
135 asm volatile ("movdqa %0, %%xmm6" : : "x" (minusone) : "xmm6" );
136 asm volatile ("movdqa %0, %%xmm7" : : "x" (minusone) : "xmm7" );
138 return sym->st_value;
142 pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
143 uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
146 printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
147 symname, (long int) sym->st_value, ndx,
148 (ptrdiff_t) outregs->int_retval);
152 if (strcmp (symname, "audit_test") == 0)
154 __m128i zero = _mm_setzero_si128 ();
155 if (memcmp (&outregs->lrv_xmm0, &zero, sizeof (zero)))
158 for (int i = 0; i < 8; i++)
160 xmm = _mm_set1_epi32 (i + 1);
161 if (memcmp (&inregs->lr_xmm[i], &xmm, sizeof (xmm)) != 0)
165 outregs->lrv_xmm0 = (La_x86_64_xmm) _mm_set1_epi32 (0x12349876);
168 xmm = _mm_set1_epi32 (-1);
169 asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" );
170 asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" );