aboutsummaryrefslogtreecommitdiff
path: root/string
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2012-10-10 07:47:59 -0700
committerH.J. Lu <hjl.tools@gmail.com>2012-10-11 16:40:01 -0700
commit11dd4af68c0ed12a96c7434b812108627c44d407 (patch)
tree4fa846359a1e48dead279703c9cc643cca202d6d /string
parent9a387d1f787f764474943294024b02258f14e80a (diff)
downloadglibc-11dd4af68c0ed12a96c7434b812108627c44d407.zip
glibc-11dd4af68c0ed12a96c7434b812108627c44d407.tar.gz
glibc-11dd4af68c0ed12a96c7434b812108627c44d407.tar.bz2
Framework to test IFUNC implementations on target
Diffstat (limited to 'string')
-rw-r--r--string/test-string.h57
1 files changed, 56 insertions, 1 deletions
diff --git a/string/test-string.h b/string/test-string.h
index c94d822..102702c 100644
--- a/string/test-string.h
+++ b/string/test-string.h
@@ -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)