1 #!/bin/bash 2 # 3 # Copyright (C) 2017 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 UNSUPPORTED_SDK_VERSION=25 18 SUPPORTED_SDK_VERSION=26 19 20 # Expect failure with unsupported SDK version 21 EXPECTED_STATUS[${UNSUPPORTED_SDK_VERSION}]=1 22 23 # Expect success with supported SDK version 24 EXPECTED_STATUS[${SUPPORTED_SDK_VERSION}]=0 25 26 DX_OUTPUT=dx.log 27 rm -f ${DX_OUTPUT} 2>/dev/null 28 29 for SDK_VERSION in ${UNSUPPORTED_SDK_VERSION} ${SUPPORTED_SDK_VERSION}; do 30 echo Trying SDK version ${SDK_VERSION} with invoke-custom. 31 dx --min-sdk-version=${SDK_VERSION} --dex --output=invokecustom.dex \ 32 --verbose-dump --dump-to=- --dump-width=1000 invokecustom.jar 2>&1 33 STATUS=$? 34 if [[ ${STATUS} != ${EXPECTED_STATUS[$SDK_VERSION]} ]]; then 35 echo Unexpected status ${STATUS} for SDK version ${SDK_VERSION}. 36 exit 1 37 fi 38 done | tee -a ${DX_OUTPUT} 39 40 JAVAP_OUTPUT=invokecustom.InvokeCustom.txt 41 javap -c -v -cp invokecustom.jar invokecustom.InvokeCustom > ${JAVAP_OUTPUT} 42 43 # Check each invokedynamic instruction produced one invoke-custom 44 INVOKEDYNAMIC_COUNT=$( grep "invokedynamic #" ${JAVAP_OUTPUT} | wc -l ) 45 INVOKE_CUSTOM_COUNT=$( grep ": invoke-custom" ${DX_OUTPUT} | wc -l ) 46 if [ "${INVOKEDYNAMIC_COUNT}" -ne "${INVOKE_CUSTOM_COUNT}" ]; then 47 echo Found ${INVOKEDYNAMIC_COUNT} uses of invokedynamic but ${INVOKE_CUSTOM_COUNT} uses of invoke-custom. 48 exit 1 49 fi 50 51 # Check there is a 1:1 correspondance between the number of call site ids and invoke-custom bytecodes. 52 CALL_SITE_ID_COUNT=$( sed -n -e '/call_site_off:/ p' ${DX_OUTPUT} | wc -l ) 53 if [ ${CALL_SITE_ID_COUNT} -gt ${INVOKE_CUSTOM_COUNT} ]; then 54 echo Found ${CALL_SITE_ID_COUNT} call sites but ${INVOKE_CUSTOM_COUNT} uses of invoke-custom. 55 exit 1 56 fi 57 58 # Check number of invokedynamic constants matches the number of unique call sites 59 CST_INDY_COUNT=$( sed -n -e 's@.*: invokedynamic #\([0-9]*\),.*@\1@p' ${JAVAP_OUTPUT} | \ 60 sort | \ 61 uniq -c | \ 62 wc -l ) 63 CALL_SITE_COUNT=$( sed -n -e 's@.*call_site_off: \([0-9a-f]\+\)@\1@p' ${DX_OUTPUT} | \ 64 uniq -c | \ 65 wc -l ) 66 if [ ${CST_INDY_COUNT} -ne ${CALL_SITE_COUNT} ]; then 67 echo Found ${CST_INDY_COUNT} invokedynamic constants but ${CALL_SITE_COUNT} call sites. 68 exit 1 69 fi 70