1# Copyright 2016, VIXL authors 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are met: 6# 7# * Redistributions of source code must retain the above copyright notice, 8# this list of conditions and the following disclaimer. 9# * Redistributions in binary form must reproduce the above copyright notice, 10# this list of conditions and the following disclaimer in the documentation 11# and/or other materials provided with the distribution. 12# * Neither the name of ARM Limited nor the names of its contributors may be 13# used to endorse or promote products derived from this software without 14# specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27import re 28 29import util 30 31def FilterKnownValgrindTestFailures(tests): 32 rc, output = util.getstatusoutput('valgrind --version') 33 34 if rc != 0: 35 util.abort('Failed to get the Valgrind version.') 36 37 version = re.search('^valgrind-([0-9]+)\.([0-9]+)\.([0-9]+)', output) 38 39 if not version: 40 util.abort('Failed to get the Valgrind version.') 41 42 major = int(version.group(1)) 43 minor = int(version.group(2)) 44 45 if major > 3 or (major == 3 and minor > 10): 46 return tests 47 48 reason = "Valgrind versions before 3.11 have issues with fused multiply-add, " \ 49 "so disable the affected tests." 50 known_valgrind_test_failures = { 51 'AARCH64_SIM_fmadd_d', 52 'AARCH64_SIM_fmadd_s', 53 'AARCH64_SIM_fmla_2D', 54 'AARCH64_SIM_fmla_2D_2D_D', 55 'AARCH64_SIM_fmla_2S', 56 'AARCH64_SIM_fmla_2S_2S_S', 57 'AARCH64_SIM_fmla_4S', 58 'AARCH64_SIM_fmla_4S_4S_S', 59 'AARCH64_SIM_fmla_D_D_D', 60 'AARCH64_SIM_fmls_2D', 61 'AARCH64_SIM_fmls_2D_2D_D', 62 'AARCH64_SIM_fmls_2S', 63 'AARCH64_SIM_fmls_2S_2S_S', 64 'AARCH64_SIM_fmls_4S', 65 'AARCH64_SIM_fmls_4S_4S_S', 66 'AARCH64_SIM_fmls_D_D_D', 67 'AARCH64_SIM_fmsub_d', 68 'AARCH64_SIM_fmsub_s', 69 'AARCH64_SIM_fnmadd_d', 70 'AARCH64_SIM_fnmadd_s', 71 'AARCH64_SIM_fnmsub_d', 72 'AARCH64_SIM_fnmsub_s', 73 'AARCH64_SIM_frecps_2D', 74 'AARCH64_SIM_frecps_D', 75 'AARCH64_SIM_frsqrts_2D', 76 'AARCH64_SIM_frsqrts_D' 77 } 78 79 filtered_list = filter(lambda x: x not in known_valgrind_test_failures, tests) 80 return (filtered_list, len(tests) - len(filtered_list), reason) 81 82def FilterKnownTestFailures(tests, **env): 83 skipped = [] 84 if env.get('under_valgrind'): 85 tests, n_tests_skipped, reason = FilterKnownValgrindTestFailures(tests) 86 skipped.append( (n_tests_skipped, reason) ) 87 88 return (tests, skipped) 89