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authorngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
committerngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
commit3f09b8d0af642c2aeb96a4d667cefb7fe3bce443 (patch)
tree544932e2a2c5a5a202b752beefba0b3e327b3858 /contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c
parentb941fec92da62b0eab650295f4e8a381dbbc04b4 (diff)
parente1f2d32c0e0678782c353c48364cddedfae58b0a (diff)
downloadFreeBSD-src-3f09b8d0af642c2aeb96a4d667cefb7fe3bce443.zip
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Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c')
-rw-r--r--contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c355
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diff --git a/contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c b/contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c
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+++ b/contrib/netbsd-tests/lib/libc/gen/t_fpsetmask.c
@@ -0,0 +1,355 @@
+/* $NetBSD: t_fpsetmask.c,v 1.13 2014/02/09 21:26:07 jmmv Exp $ */
+
+/*-
+ * Copyright (c) 1995 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+
+#include <atf-c.h>
+#include <atf-c/config.h>
+
+#include <stdio.h>
+#include <signal.h>
+#include <float.h>
+#include <setjmp.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "isqemu.h"
+
+#ifndef _FLOAT_IEEE754
+
+ATF_TC(no_test);
+ATF_TC_HEAD(no_test, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Dummy test case");
+}
+
+ATF_TC_BODY(no_test, tc)
+{
+
+ atf_tc_skip("Test not available on this architecture.");
+}
+
+#else /* defined(_FLOAT_IEEE754) */
+
+#include <ieeefp.h>
+
+const char *skip_mesg;
+const char *skip_arch;
+
+void sigfpe(int, siginfo_t *, void *);
+
+volatile sig_atomic_t signal_caught;
+volatile int sicode;
+
+static volatile const float f_one = 1.0;
+static volatile const float f_zero = 0.0;
+static volatile const double d_one = 1.0;
+static volatile const double d_zero = 0.0;
+static volatile const long double ld_one = 1.0;
+static volatile const long double ld_zero = 0.0;
+
+static volatile const float f_huge = FLT_MAX;
+static volatile const float f_tiny = FLT_MIN;
+static volatile const double d_huge = DBL_MAX;
+static volatile const double d_tiny = DBL_MIN;
+static volatile const long double ld_huge = LDBL_MAX;
+static volatile const long double ld_tiny = LDBL_MIN;
+
+static volatile float f_x;
+static volatile double d_x;
+static volatile long double ld_x;
+
+/* trip divide by zero */
+static void
+f_dz(void)
+{
+
+ f_x = f_one / f_zero;
+}
+
+static void
+d_dz(void)
+{
+
+ d_x = d_one / d_zero;
+}
+
+static void
+ld_dz(void)
+{
+
+ ld_x = ld_one / ld_zero;
+}
+
+/* trip invalid operation */
+static void
+d_inv(void)
+{
+
+ d_x = d_zero / d_zero;
+}
+
+static void
+ld_inv(void)
+{
+
+ ld_x = ld_zero / ld_zero;
+}
+
+static void
+f_inv(void)
+{
+
+ f_x = f_zero / f_zero;
+}
+
+/* trip overflow */
+static void
+f_ofl(void)
+{
+
+ f_x = f_huge * f_huge;
+}
+
+static void
+d_ofl(void)
+{
+
+ d_x = d_huge * d_huge;
+}
+
+static void
+ld_ofl(void)
+{
+
+ ld_x = ld_huge * ld_huge;
+}
+
+/* trip underflow */
+static void
+f_ufl(void)
+{
+
+ f_x = f_tiny * f_tiny;
+}
+
+static void
+d_ufl(void)
+{
+
+ d_x = d_tiny * d_tiny;
+}
+
+static void
+ld_ufl(void)
+{
+
+ ld_x = ld_tiny * ld_tiny;
+}
+
+struct ops {
+ void (*op)(void);
+ fp_except mask;
+ int sicode;
+};
+
+static const struct ops float_ops[] = {
+ { f_dz, FP_X_DZ, FPE_FLTDIV },
+ { f_inv, FP_X_INV, FPE_FLTINV },
+ { f_ofl, FP_X_OFL, FPE_FLTOVF },
+ { f_ufl, FP_X_UFL, FPE_FLTUND },
+ { NULL, 0, 0 }
+};
+
+static const struct ops double_ops[] = {
+ { d_dz, FP_X_DZ, FPE_FLTDIV },
+ { d_inv, FP_X_INV, FPE_FLTINV },
+ { d_ofl, FP_X_OFL, FPE_FLTOVF },
+ { d_ufl, FP_X_UFL, FPE_FLTUND },
+ { NULL, 0, 0 }
+};
+
+static const struct ops long_double_ops[] = {
+ { ld_dz, FP_X_DZ, FPE_FLTDIV },
+ { ld_inv, FP_X_INV, FPE_FLTINV },
+ { ld_ofl, FP_X_OFL, FPE_FLTOVF },
+ { ld_ufl, FP_X_UFL, FPE_FLTUND },
+ { NULL, 0, 0 }
+};
+
+static sigjmp_buf b;
+
+static void
+fpsetmask_masked(const struct ops *test_ops)
+{
+ struct sigaction sa;
+ fp_except ex1, ex2;
+ const struct ops *t;
+
+ /* mask all exceptions, clear history */
+ fpsetmask(0);
+ fpsetsticky(0);
+
+ /* set up signal handler */
+ sa.sa_sigaction = sigfpe;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_SIGINFO;
+ sigaction(SIGFPE, &sa, 0);
+ signal_caught = 0;
+
+ /*
+ * exceptions masked, check whether "sticky" bits are set correctly
+ */
+ for (t = test_ops; t->op != NULL; t++) {
+ (*t->op)();
+ ex1 = fpgetsticky();
+ ATF_CHECK_EQ(ex1 & t->mask, t->mask);
+ ATF_CHECK_EQ(signal_caught, 0);
+
+ /* check correct fpsetsticky() behaviour */
+ ex2 = fpsetsticky(0);
+ ATF_CHECK_EQ(fpgetsticky(), 0);
+ ATF_CHECK_EQ(ex1, ex2);
+ }
+}
+
+/* force delayed exceptions to be delivered */
+#define BARRIER() fpsetmask(0); f_x = f_one * f_one
+
+static void
+fpsetmask_unmasked(const struct ops *test_ops)
+{
+ struct sigaction sa;
+ int r;
+ const struct ops *volatile t;
+
+ /* mask all exceptions, clear history */
+ fpsetmask(0);
+ fpsetsticky(0);
+
+ /* set up signal handler */
+ sa.sa_sigaction = sigfpe;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_SIGINFO;
+ sigaction(SIGFPE, &sa, 0);
+ signal_caught = 0;
+
+ /*
+ * exception unmasked, check SIGFPE delivery and correct siginfo
+ */
+ for (t = test_ops; t->op != NULL; t++) {
+ fpsetmask(t->mask);
+ r = sigsetjmp(b, 1);
+ if (!r) {
+ (*t->op)();
+ BARRIER();
+ }
+ ATF_CHECK_EQ(signal_caught, 1);
+ ATF_CHECK_EQ(sicode, t->sicode);
+ signal_caught = 0;
+ }
+}
+
+void
+sigfpe(int s, siginfo_t *si, void *c)
+{
+ signal_caught = 1;
+ sicode = si->si_code;
+ siglongjmp(b, 1);
+}
+
+#define TEST(m, t) \
+ ATF_TC(m##_##t); \
+ \
+ ATF_TC_HEAD(m##_##t, tc) \
+ { \
+ \
+ atf_tc_set_md_var(tc, "descr", \
+ "Test " ___STRING(m) " exceptions for " \
+ ___STRING(t) "values"); \
+ } \
+ \
+ ATF_TC_BODY(m##_##t, tc) \
+ { \
+ if (strcmp(MACHINE, "macppc") == 0) \
+ atf_tc_expect_fail("PR port-macppc/46319"); \
+ \
+ if (isQEMU()) \
+ atf_tc_expect_fail("PR misc/44767"); \
+ \
+ m(t##_ops); \
+ }
+
+TEST(fpsetmask_masked, float)
+TEST(fpsetmask_masked, double)
+TEST(fpsetmask_masked, long_double)
+TEST(fpsetmask_unmasked, float)
+TEST(fpsetmask_unmasked, double)
+TEST(fpsetmask_unmasked, long_double)
+
+ATF_TC(fpsetmask_basic);
+ATF_TC_HEAD(fpsetmask_basic, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "A basic test of fpsetmask(3)");
+}
+
+ATF_TC_BODY(fpsetmask_basic, tc)
+{
+ size_t i;
+ fp_except_t msk, lst[] = { FP_X_INV, FP_X_DZ, FP_X_OFL, FP_X_UFL };
+
+ msk = fpgetmask();
+ for (i = 0; i < __arraycount(lst); i++) {
+ fpsetmask(msk | lst[i]);
+ ATF_CHECK((fpgetmask() & lst[i]) != 0);
+ fpsetmask(msk & lst[i]);
+ ATF_CHECK((fpgetmask() & lst[i]) == 0);
+ }
+
+}
+
+#endif /* defined(_FLOAT_IEEE754) */
+
+ATF_TP_ADD_TCS(tp)
+{
+
+#ifndef _FLOAT_IEEE754
+ ATF_TP_ADD_TC(tp, no_test);
+#else
+ ATF_TP_ADD_TC(tp, fpsetmask_basic);
+ ATF_TP_ADD_TC(tp, fpsetmask_masked_float);
+ ATF_TP_ADD_TC(tp, fpsetmask_masked_double);
+ ATF_TP_ADD_TC(tp, fpsetmask_masked_long_double);
+ ATF_TP_ADD_TC(tp, fpsetmask_unmasked_float);
+ ATF_TP_ADD_TC(tp, fpsetmask_unmasked_double);
+ ATF_TP_ADD_TC(tp, fpsetmask_unmasked_long_double);
+#endif
+
+ return atf_no_error();
+}
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