2009-07-10 21:04:14 +02:00
|
|
|
/* Verify that changing xmm 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>
|
|
|
|
#include <emmintrin.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;
|
|
|
|
}
|
|
|
|
|
2012-04-14 01:24:17 +02:00
|
|
|
# ifndef __ILP32__
|
2012-03-22 01:14:49 +01:00
|
|
|
# define pltenter la_x86_64_gnu_pltenter
|
|
|
|
# define pltexit la_x86_64_gnu_pltexit
|
|
|
|
# define La_regs La_x86_64_regs
|
|
|
|
# define La_retval La_x86_64_retval
|
|
|
|
#else
|
|
|
|
# define pltenter la_x32_gnu_pltenter
|
|
|
|
# define pltexit la_x32_gnu_pltexit
|
|
|
|
# define La_regs La_x32_regs
|
|
|
|
# define La_retval La_x32_retval
|
|
|
|
#endif
|
2009-07-10 21:04:14 +02:00
|
|
|
#define int_retval lrv_rax
|
|
|
|
|
|
|
|
#include <tst-audit.h>
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
__m128i minusone = _mm_set1_epi32 (-1);
|
|
|
|
|
|
|
|
if (strcmp (symname, "audit_test") == 0)
|
|
|
|
{
|
|
|
|
__m128i zero = _mm_setzero_si128 ();
|
|
|
|
if (memcmp (®s->lr_xmm[0], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[1], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[2], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[3], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[4], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[5], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[6], &zero, sizeof (zero))
|
|
|
|
|| memcmp (®s->lr_xmm[7], &zero, sizeof (zero)))
|
|
|
|
abort ();
|
|
|
|
|
|
|
|
for (int i = 0; i < 8; i++)
|
|
|
|
regs->lr_xmm[i] = (La_x86_64_xmm) _mm_set1_epi32 (i + 1);
|
|
|
|
|
|
|
|
*framesizep = 1024;
|
|
|
|
}
|
|
|
|
|
|
|
|
asm volatile ("movdqa %0, %%xmm0" : : "x" (minusone) : "xmm0" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm1" : : "x" (minusone) : "xmm1" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm2" : : "x" (minusone) : "xmm2" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm3" : : "x" (minusone) : "xmm3" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm4" : : "x" (minusone) : "xmm4" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm5" : : "x" (minusone) : "xmm5" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm6" : : "x" (minusone) : "xmm6" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm7" : : "x" (minusone) : "xmm7" );
|
|
|
|
|
|
|
|
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",
|
2012-03-22 01:14:49 +01:00
|
|
|
symname, (long int) sym->st_value, ndx,
|
|
|
|
(ptrdiff_t) outregs->int_retval);
|
2009-07-10 21:04:14 +02:00
|
|
|
|
|
|
|
__m128i xmm;
|
|
|
|
|
|
|
|
if (strcmp (symname, "audit_test") == 0)
|
|
|
|
{
|
|
|
|
__m128i zero = _mm_setzero_si128 ();
|
|
|
|
if (memcmp (&outregs->lrv_xmm0, &zero, sizeof (zero)))
|
|
|
|
abort ();
|
|
|
|
|
|
|
|
for (int i = 0; i < 8; i++)
|
|
|
|
{
|
|
|
|
xmm = _mm_set1_epi32 (i + 1);
|
|
|
|
if (memcmp (&inregs->lr_xmm[i], &xmm, sizeof (xmm)) != 0)
|
|
|
|
abort ();
|
|
|
|
}
|
|
|
|
|
|
|
|
outregs->lrv_xmm0 = (La_x86_64_xmm) _mm_set1_epi32 (0x12349876);
|
|
|
|
}
|
|
|
|
|
|
|
|
xmm = _mm_set1_epi32 (-1);
|
|
|
|
asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" );
|
|
|
|
asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" );
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|