92 lines
3.4 KiB
Bash
92 lines
3.4 KiB
Bash
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#! /bin/bash -eu
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# Run CKati step separately, tracing given Makefile variables.
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# It is expected that the regular Android null build (`m nothing`)
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# has been run so that $OUT_DIR/soong/Android-${TARGET_PRODUCT}.mk,
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# $OUT_DIR/soong/make_vars-${TARGET_PRODUCT}.mk, etc. files exist.
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#
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# The output file is in JSON format and can be processed with, say,
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# `jq`. For instance, the following invocation outputs all assignment
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# traces concisely:
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# jq -c '.assignments[] | (select (.operation == "assign")) | {("n"): .name, ("l"): .value_stack[0]?, ("v"): .value }' out/ckati.trace
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# generates
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# {"n":"<var1>","l":"<file>:<line>","v":"<value1>"}
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# ...
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function die() { format=$1; shift; printf "$format\n" $@; exit 1; }
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function usage() { die "Usage: %s [-o FILE] VAR ...\n(without -o the output goes to ${outfile})" ${0##*/}; }
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[[ -d build/soong ]] || die "run this script from the top of the Android source tree"
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declare -r out=${OUT_DIR:-out}
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[[ -x ${out}/soong_ui ]] || die "run Android build first"
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: ${TARGET_PRODUCT:?not set, run lunch?}
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: ${TARGET_BUILD_VARIANT:?not set, run lunch?}
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declare -r androidmk=${out}/soong/Android-${TARGET_PRODUCT}.mk
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declare -r makevarsmk=${out}/soong/make_vars-${TARGET_PRODUCT}.mk
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declare -r target_device_dir=$(${out}/soong_ui --dumpvar-mode TARGET_DEVICE_DIR)
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: ${target_device_dir:?cannot find device directory for ${TARGET_PRODUCT}}
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declare -r target_device=$(${out}/soong_ui --dumpvar-mode TARGET_DEVICE)
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: ${target_device:?cannot find target device for ${TARGET_PRODUCT}}
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declare -r timestamp_file=${out}/build_date.txt
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# Files should exist, so ls should succeed:
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ls -1d "$androidmk" "$makevarsmk" "$target_device_dir" "$timestamp_file" >/dev/null
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outfile=${out}/ckati.trace
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while getopts "ho:" opt; do
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case $opt in
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h) usage ;;
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o) outfile=$OPTARG ;;
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?) usage ;;
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esac
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done
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if (($#>0)); then
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declare -a tracing=(--variable_assignment_trace_filter="$*" --dump_variable_assignment_trace "$outfile")
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else
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printf "running ckati without tracing variables\n"
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fi
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# Touch one input for ckati, otherwise it will just print
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# 'No need to regenerate ninja file' and exit.
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touch "$androidmk"
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prebuilts/build-tools/linux-x86/bin/ckati \
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--gen_all_targets \
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-i \
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--ignore_optional_include=out/%.P \
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--ninja \
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--ninja_dir=out \
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--ninja_suffix=-${TARGET_PRODUCT} \
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--no_builtin_rules \
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--no_ninja_prelude \
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--regen \
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--top_level_phony \
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--use_find_emulator \
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--use_ninja_phony_output \
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--use_ninja_symlink_outputs \
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--werror_find_emulator \
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--werror_implicit_rules \
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--werror_overriding_commands \
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--werror_phony_looks_real \
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--werror_real_to_phony \
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--werror_suffix_rules \
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--werror_writable \
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--writable out/ \
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-f build/make/core/main.mk \
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"${tracing[@]}" \
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ANDROID_JAVA_HOME=prebuilts/jdk/jdk17/linux-x86 \
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ASAN_SYMBOLIZER_PATH=$PWD/prebuilts/clang/host/linux-x86/llvm-binutils-stable/llvm-symbolizer \
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BUILD_DATETIME_FILE="$timestamp_file" \
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BUILD_HOSTNAME=$(hostname) \
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BUILD_USERNAME="$USER" \
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JAVA_HOME=$PWD/prebuilts/jdk/jdk17/linux-x86 \
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KATI_PACKAGE_MK_DIR="{$out}/target/product/${target_device}/CONFIG/kati_packaging" \
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OUT_DIR="$out" \
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PATH="$PWD/prebuilts/build-tools/path/linux-x86:$PWD/${out}/.path" \
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PYTHONDONTWRITEBYTECODE=1 \
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SOONG_ANDROID_MK="$androidmk" \
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SOONG_MAKEVARS_MK="$makevarsmk" \
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TARGET_BUILD_VARIANT="$TARGET_BUILD_VARIANT" \
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TARGET_DEVICE_DIR="$target_device_dir" \
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TARGET_PRODUCT=${TARGET_PRODUCT} \
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TMPDIR="$PWD/$out/soong/.temp"
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