diff options
Diffstat (limited to 'elf/tst-auditmod4b.c')
| -rw-r--r-- | elf/tst-auditmod4b.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/elf/tst-auditmod4b.c b/elf/tst-auditmod4b.c deleted file mode 100644 index 80aaedc..0000000 --- a/elf/tst-auditmod4b.c +++ /dev/null @@ -1,201 +0,0 @@ -/* Verify that changing AVX registers in audit library won't affect - function parameter passing/return. */ - -#include <dlfcn.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <bits/wordsize.h> -#include <gnu/lib-names.h> - -unsigned int -la_version (unsigned int v) -{ - setlinebuf (stdout); - - printf ("version: %u\n", v); - - char buf[20]; - sprintf (buf, "%u", v); - - return v; -} - -void -la_activity (uintptr_t *cookie, unsigned int flag) -{ - if (flag == LA_ACT_CONSISTENT) - printf ("activity: consistent\n"); - else if (flag == LA_ACT_ADD) - printf ("activity: add\n"); - else if (flag == LA_ACT_DELETE) - printf ("activity: delete\n"); - else - printf ("activity: unknown activity %u\n", flag); -} - -char * -la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) -{ - char buf[100]; - const char *flagstr; - if (flag == LA_SER_ORIG) - flagstr = "LA_SET_ORIG"; - else if (flag == LA_SER_LIBPATH) - flagstr = "LA_SER_LIBPATH"; - else if (flag == LA_SER_RUNPATH) - flagstr = "LA_SER_RUNPATH"; - else if (flag == LA_SER_CONFIG) - flagstr = "LA_SER_CONFIG"; - else if (flag == LA_SER_DEFAULT) - flagstr = "LA_SER_DEFAULT"; - else if (flag == LA_SER_SECURE) - flagstr = "LA_SER_SECURE"; - else - { - sprintf (buf, "unknown flag %d", flag); - flagstr = buf; - } - printf ("objsearch: %s, %s\n", name, flagstr); - - return (char *) name; -} - -unsigned int -la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) -{ - printf ("objopen: %ld, %s\n", lmid, l->l_name); - - return 3; -} - -void -la_preinit (uintptr_t *cookie) -{ - printf ("preinit\n"); -} - -unsigned int -la_objclose (uintptr_t *cookie) -{ - printf ("objclose\n"); - return 0; -} - -uintptr_t -la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook, - uintptr_t *defcook, unsigned int *flags, const char *symname) -{ - printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", - symname, (long int) sym->st_value, ndx, *flags); - - return sym->st_value; -} - -#include <tst-audit.h> - -#ifdef __AVX__ -#include <immintrin.h> -#include <cpuid.h> - -static int avx = -1; - -static inline int -__attribute ((always_inline)) -check_avx (void) -{ - if (avx == -1) - { - unsigned int eax, ebx, ecx, edx; - - if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) - && (ecx & bit_AVX)) - avx = 1; - else - avx = 0; - } - return avx; -} -#else -#include <emmintrin.h> -#endif - -ElfW(Addr) -pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, - uintptr_t *defcook, La_regs *regs, unsigned int *flags, - const char *symname, long int *framesizep) -{ - printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", - symname, (long int) sym->st_value, ndx, *flags); - -#ifdef __AVX__ - if (check_avx () && strcmp (symname, "audit_test") == 0) - { - __m256i zero = _mm256_setzero_si256 (); - if (memcmp (®s->lr_vector[0], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[1], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[2], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[3], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[4], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[5], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[6], &zero, sizeof (zero)) - || memcmp (®s->lr_vector[7], &zero, sizeof (zero))) - abort (); - - for (int i = 0; i < 8; i++) - regs->lr_vector[i].ymm[0] - = (La_x86_64_ymm) _mm256_set1_epi32 (i + 1); - - __m256i ymm = _mm256_set1_epi32 (-1); - asm volatile ("vmovdqa %0, %%ymm0" : : "x" (ymm) : "xmm0" ); - asm volatile ("vmovdqa %0, %%ymm1" : : "x" (ymm) : "xmm1" ); - asm volatile ("vmovdqa %0, %%ymm2" : : "x" (ymm) : "xmm2" ); - asm volatile ("vmovdqa %0, %%ymm3" : : "x" (ymm) : "xmm3" ); - asm volatile ("vmovdqa %0, %%ymm4" : : "x" (ymm) : "xmm4" ); - asm volatile ("vmovdqa %0, %%ymm5" : : "x" (ymm) : "xmm5" ); - asm volatile ("vmovdqa %0, %%ymm6" : : "x" (ymm) : "xmm6" ); - asm volatile ("vmovdqa %0, %%ymm7" : : "x" (ymm) : "xmm7" ); - - *framesizep = 1024; - } -#endif - - return sym->st_value; -} - -unsigned int -pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, - uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, - const char *symname) -{ - printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n", - symname, (long int) sym->st_value, ndx, - (ptrdiff_t) outregs->int_retval); - -#ifdef __AVX__ - if (check_avx () && strcmp (symname, "audit_test") == 0) - { - __m256i zero = _mm256_setzero_si256 (); - if (memcmp (&outregs->lrv_vector0, &zero, sizeof (zero))) - abort (); - - for (int i = 0; i < 8; i++) - { - __m256i ymm = _mm256_set1_epi32 (i + 1); - if (memcmp (&inregs->lr_vector[i], &ymm, sizeof (ymm)) != 0) - abort (); - } - - outregs->lrv_vector0.ymm[0] - = (La_x86_64_ymm) _mm256_set1_epi32 (0x12349876); - - __m256i ymm = _mm256_set1_epi32 (-1); - asm volatile ("vmovdqa %0, %%ymm0" : : "x" (ymm) : "xmm0" ); - asm volatile ("vmovdqa %0, %%ymm1" : : "x" (ymm) : "xmm1" ); - } -#endif - - return 0; -} |