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Auto merged

2005/05/17 06:10:13-07:00 hp.com!davidm
(save_pr): Declare
(check_pr): New function.
(all_funcs): Mention save_pr/check_pr.
(random_word): New function.
(check_pr): Likewise.
(check_rotate_regs): Call check_pr().
(run_check): Use random_word() instead of random() to get a word full of
	pseudo-random bits.

(Logical change 1.292)
This commit is contained in:
hp.com!davidm 2005-05-17 13:24:49 +00:00
parent 05feedabea
commit e5426f4221

View file

@ -82,6 +82,9 @@ static check_func_t check_static_to_scratch;
extern save_func_t rotate_regs;
static check_func_t check_rotate_regs;
extern save_func_t save_pr;
static check_func_t check_pr;
static int verbose;
static int nerrors;
@ -106,9 +109,21 @@ all_funcs[] =
{ save_static_to_mem4, check_static_to_mem4 },
{ save_static_to_mem5, check_static_to_mem5 },
{ save_static_to_scratch, check_static_to_scratch },
{ save_pr, check_pr },
{ rotate_regs, check_rotate_regs },
};
static unw_word_t
random_word (void)
{
unw_word_t val = random ();
if (sizeof (unw_word_t) > 4)
val |= ((unw_word_t) random ()) << 32;
return val;
}
void
sighandler (int signal, void *siginfo, void *context)
{
@ -472,12 +487,50 @@ check_static_to_scratch (unw_cursor_t *c, unw_word_t *vals)
return vals;
}
static unw_word_t *
check_pr (unw_cursor_t *c, unw_word_t *vals)
{
unw_word_t pr, expected;
int ret;
# define BIT(n) ((unw_word_t) 1 << (n))
# define DONTCARE (BIT( 6) | BIT( 7) | BIT( 8) | BIT( 9) | BIT(10) \
| BIT(11) | BIT(12) | BIT(13) | BIT(14) | BIT(15))
if (verbose)
printf (" %s()\n", __FUNCTION__);
vals -= 1;
if ((ret = unw_get_reg (c, UNW_IA64_PR, &pr)) < 0)
panic ("%s: failed to read register pr, error=%d\n", __FUNCTION__, ret);
pr &= ~DONTCARE;
expected = (vals[0] & ~DONTCARE) | 1;
if (verbose)
printf (" pr = %016lx (expected %016lx)\n", pr, expected);
if (pr != expected)
panic ("%s: pr=%lx instead of %lx!\n", __FUNCTION__, pr, expected);
if ((ret = unw_set_reg (c, UNW_IA64_PR, vals[0])) < 0)
panic ("%s: failed to write register pr, error=%d\n", __FUNCTION__, ret);
if ((ret = unw_get_reg (c, UNW_IA64_PR, &pr)) < 0)
panic ("%s: failed to read register pr, error=%d\n", __FUNCTION__, ret);
if (pr != vals[0])
panic ("%s: secondary pr=%lx instead of %lx!\n",
__FUNCTION__, pr, vals[0]);
return vals;
}
static unw_word_t *
check_rotate_regs (unw_cursor_t *c, unw_word_t *vals)
{
if (verbose)
printf (" %s()\n", __FUNCTION__);
return vals - 1;
return check_pr (c, vals - 1);
}
static void
@ -518,7 +571,7 @@ run_check (int test)
num_checks = (random () % MAX_CHECKS) + 1;
for (i = 0; i < num_checks * MAX_VALUES_PER_FUNC; ++i)
values[i] = random ();
values[i] = random_word ();
for (i = 0; i < num_checks; ++i)
{