mirror of
https://github.com/JetBrains/JetBrainsRuntime.git
synced 2025-12-06 01:19:28 +01:00
112 lines
3.6 KiB
Bash
112 lines
3.6 KiB
Bash
#!/bin/sh
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# Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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# The output of this script may require some degree of human curation:
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# - Redundant headers, e.g. both x.hpp, x.inline.hpp are included;
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# - Headers relative to a non-default feature should be protected by an
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# appropriate 'if' clause to make sure all variants can build without
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# errors.
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source_path="$(dirname ${0})"
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this_script_dir="$(cd -- "${source_path}" > /dev/null && pwd)"
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if test -z "${this_script_dir}"; then
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echo "Error: Could not determine location of this script"
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exit 1
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fi
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# Work in top directory
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cd $this_script_dir/..
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# Time threshold for header compilation, if the time exceeds the
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# threshold the header will be precompiled.
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if [ -z "$MIN_MS" ]; then
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MIN_MS=100000
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fi
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if [ -z "$CLEAN" ]; then
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CLEAN=true
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elif [ "$CLEAN" != "true" ] && [ "$CLEAN" != "false" ]; then
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echo "Expected either 'true' or 'false' for CLEAN"
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fi
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# CBA_PATH should point to a valid ClangBuildAnalyzer executable.
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# Build steps:
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# git clone --depth 1 git@github.com:aras-p/ClangBuildAnalyzer.git
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# cd ClangBuildAnalyzer
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# make -f projects/make/Makefile
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if [ -z "$CBA_PATH" ]; then
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CBA_PATH="./ClangBuildAnalyzer/build/ClangBuildAnalyzer"
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fi
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set -eux
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PRECOMPILED_HPP="src/hotspot/share/precompiled/precompiled.hpp"
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CBA_CONFIG="ClangBuildAnalyzer.ini"
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TIMESTAMP="$(date +%Y%m%d-%H%M)"
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RUN_NAME="pch_update_$TIMESTAMP"
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CBA_OUTPUT="cba_out_$TIMESTAMP"
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if [ "$CLEAN" = "true" ]; then
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trap 'rm -rf "build/'"$RUN_NAME"'" "$CBA_OUTPUT" "$CBA_CONFIG"' EXIT
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fi
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sh configure --with-toolchain-type=clang \
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--with-conf-name="$RUN_NAME" \
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--disable-precompiled-headers \
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--with-extra-cxxflags="-ftime-trace" \
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--with-extra-cflags="-ftime-trace"
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make clean CONF_NAME="$RUN_NAME"
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make hotspot CONF_NAME="$RUN_NAME"
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"$CBA_PATH" --all "./build/$RUN_NAME/hotspot/variant-server/libjvm/objs" \
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"$CBA_OUTPUT"
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# Preserve license and comments on top
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cat "$PRECOMPILED_HPP" | awk '/^#include/ {exit} {print}' > "$PRECOMPILED_HPP.tmp"
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if [ ! -f "$CBA_CONFIG" ]; then
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cat <<EOF > "$CBA_CONFIG"
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[counts]
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header=100
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headerChain=0
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template=0
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function=0
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fileCodegen=0
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fileParse=0
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[misc]
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onlyRootHeaders=true
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EOF
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fi
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"$CBA_PATH" --analyze "$CBA_OUTPUT" | \
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grep " ms: " | \
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# Keep the headers more expensive than ${1}ms
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awk -v x="$MIN_MS" '$1 < x { exit } { print $3 }' | \
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# Filter away non-hotspot headers
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grep hotspot/share | \
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awk -F "hotspot/share/" '{ printf "#include \"%s\"\n", $2 }' \
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>> "$PRECOMPILED_HPP.tmp"
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mv "$PRECOMPILED_HPP.tmp" "$PRECOMPILED_HPP"
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java test/hotspot/jtreg/sources/SortIncludes.java --update "$PRECOMPILED_HPP"
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