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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-10-10 07:47:59 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-10-11 16:40:01 -0700 |
| commit | 11dd4af68c0ed12a96c7434b812108627c44d407 (patch) | |
| tree | 4fa846359a1e48dead279703c9cc643cca202d6d /string | |
| parent | 9a387d1f787f764474943294024b02258f14e80a (diff) | |
| download | glibc-11dd4af68c0ed12a96c7434b812108627c44d407.tar.gz glibc-11dd4af68c0ed12a96c7434b812108627c44d407.tar.xz glibc-11dd4af68c0ed12a96c7434b812108627c44d407.zip | |
Framework to test IFUNC implementations on target
Diffstat (limited to 'string')
| -rw-r--r-- | string/test-string.h | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/string/test-string.h b/string/test-string.h index c94d822b33..102702c5ce 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) |