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Framework to test IFUNC implementations on target

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This commit is contained in:
H.J. Lu
2012-10-10 07:47:59 -07:00
parent 9a387d1f78
commit 11dd4af68c
7 changed files with 165 additions and 2 deletions
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57
string/test-string.h
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@@ -50,6 +50,7 @@ extern impl_t __start_impls[], __stop_impls[];
#include <error.h>
#include <errno.h>
#include <time.h>
#include <ifunc-impl-list.h>
#define GL(x) _##x
#define GLRO(x) _##x
#include <hp-timing.h>
@@ -106,9 +107,57 @@ size_t iterations = 100000;
#define CALL(impl, ...) \
(* (proto_t) (impl)->fn) (__VA_ARGS__)
#define FOR_EACH_IMPL(impl, notall) \
#if defined TEST_IFUNC && defined TEST_NAME
/* Increase size of FUNC_LIST if assert is triggered at run-time. */
static struct libc_ifunc_impl func_list[32];
static int func_count;
static int impl_count = -1;
static impl_t *impl_array;
# define FOR_EACH_IMPL(impl, notall) \
impl_t *impl; \
int count; \
if (impl_count == -1) \
{ \
impl_count = 0; \
if (func_count != 0) \
{ \
int f; \
impl_t *skip = NULL, *a; \
for (impl = __start_impls; impl < __stop_impls; ++impl) \
if (strcmp (impl->name, TEST_NAME) == 0) \
skip = impl; \
else \
impl_count++; \
a = impl_array = malloc ((impl_count + func_count) * \
sizeof (impl_t)); \
for (impl = __start_impls; impl < __stop_impls; ++impl) \
if (impl != skip) \
*a++ = *impl; \
for (f = 0; f < func_count; f++) \
if (func_list[f].usable) \
{ \
a->name = func_list[f].name; \
a->fn = func_list[f].fn; \
a->test = 1; \
a++; \
} \
impl_count = a - impl_array; \
} \
else \
{ \
impl_count = __stop_impls - __start_impls; \
impl_array = __start_impls; \
} \
} \
impl = impl_array; \
for (count = 0; count < impl_count; ++count, ++impl) \
if (!notall || impl->test)
#else
# define FOR_EACH_IMPL(impl, notall) \
for (impl_t *impl = __start_impls; impl < __stop_impls; ++impl) \
if (!notall || impl->test)
#endif
#define HP_TIMING_BEST(best_time, start, end) \
do \
@@ -127,6 +176,12 @@ size_t iterations = 100000;
static void
test_init (void)
{
#if defined TEST_IFUNC && defined TEST_NAME
func_count = __libc_ifunc_impl_list (TEST_NAME, func_list,
(sizeof func_list
/ sizeof func_list[0]));
#endif
page_size = 2 * getpagesize ();
#ifdef MIN_PAGE_SIZE
if (page_size < MIN_PAGE_SIZE)