[src/trunk]: src/tests/modules Fix build of kcov tests on CPUs without 64-bit...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5469eff98649
branches:  trunk
changeset: 449111:5469eff98649
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sat Feb 23 08:03:24 2019 +0000

description:
Fix build of kcov tests on CPUs without 64-bit atomics

Restrict the 64-bit atomics to ports defining __HAVE_ATOMIC64_OPS.

Using 64-bit atomics is still good for i586 fuzzing, but the tests are
build for earlier CPUs. This makes this code to be disabled in i386 builds.

There is a similar situation with few other ports that offer 64-bit atomics
in certain CPU models and ABIs.

diffstat:

 tests/modules/t_kcov.c |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (29 lines):

diff -r 2ff8a525cd28 -r 5469eff98649 tests/modules/t_kcov.c
--- a/tests/modules/t_kcov.c    Sat Feb 23 07:33:20 2019 +0000
+++ b/tests/modules/t_kcov.c    Sat Feb 23 08:03:24 2019 +0000
@@ -214,6 +214,7 @@
        ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE) == 0);
 }
 
+#ifdef __HAVE_ATOMIC64_OPS
 static void *
 common_head(int *fdp)
 {
@@ -297,6 +298,7 @@
 
        common_tail(fd, buf);
 }
+#endif
 
 ATF_TP_ADD_TCS(tp)
 {
@@ -309,7 +311,9 @@
        ATF_TP_ADD_TC(tp, kcov_enable_no_disable);
        ATF_TP_ADD_TC(tp, kcov_enable_no_disable_no_close);
        ATF_TP_ADD_TC(tp, kcov_mmap_enable_thread_close);
+#ifdef __HAVE_ATOMIC64_OPS
        ATF_TP_ADD_TC(tp, kcov_basic);
        ATF_TP_ADD_TC(tp, kcov_thread);
+#endif
        return atf_no_error();
 }