mirror of
https://github.com/crazywhalecc/static-php-cli.git
synced 2026-07-07 00:35:41 +08:00
add --pgi and --pgo to facilitate PGO builds
This commit is contained in:
henderkes
@@ -116,18 +116,17 @@ class Zig extends CustomPackage
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break;
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}
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}
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if ($all_exist) {
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return;
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if (!$all_exist) {
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$lock = json_decode(FileSystem::readFile(LockFile::LOCK_FILE), true);
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$source_type = $lock[$name]['source_type'];
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$filename = DOWNLOAD_PATH . '/' . ($lock[$name]['filename'] ?? $lock[$name]['dirname']);
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$extract = "{$pkgroot}/zig";
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FileSystem::extractPackage($name, $source_type, $filename, $extract);
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$this->createZigCcScript($zig_bin_dir);
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}
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$lock = json_decode(FileSystem::readFile(LockFile::LOCK_FILE), true);
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$source_type = $lock[$name]['source_type'];
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$filename = DOWNLOAD_PATH . '/' . ($lock[$name]['filename'] ?? $lock[$name]['dirname']);
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$extract = "{$pkgroot}/zig";
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FileSystem::extractPackage($name, $source_type, $filename, $extract);
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$this->createZigCcScript($zig_bin_dir);
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$this->buildClangRuntimeBits($zig_bin_dir);
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}
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public static function getEnvironment(): array
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@@ -140,6 +139,145 @@ class Zig extends CustomPackage
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return PKG_ROOT_PATH . '/zig';
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}
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/**
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* Build the bits of clang's runtime that zig 0.16 doesn't ship: the
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* profile runtime (so -fprofile-generate actually emits .profraw) and
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* crtbegin.o/crtend.o (so shared libraries get __dso_handle and the
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* __cxa_finalize atexit hook).
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*
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* Build from 2mb compiler-rt-<llvm>.src tar
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* to avoid downloading 2gb full prebuilt tarball.
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*/
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private function buildClangRuntimeBits(string $zig_bin_dir): void
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{
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if (PHP_OS_FAMILY !== 'Linux') {
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return;
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}
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$libDir = "{$zig_bin_dir}/lib";
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$profileLib = "{$libDir}/libclang_rt.profile.a";
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$crtBegin = "{$libDir}/clang_rt.crtbegin.o";
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$crtEnd = "{$libDir}/clang_rt.crtend.o";
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if (file_exists($profileLib) && file_exists($crtBegin) && file_exists($crtEnd)) {
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return;
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}
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$zig = "{$zig_bin_dir}/zig";
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$verLine = trim((string)shell_exec(escapeshellarg($zig) . ' cc --version 2>/dev/null'));
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if (!preg_match('/clang version (\d+\.\d+\.\d+)/', $verLine, $m)) {
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logger()->warning('[zig] could not detect bundled clang version; skipping runtime bit build (--pgo + shared libs without __dso_handle)');
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return;
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}
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$llvmVersion = $m[1];
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logger()->info("Building clang runtime bits for LLVM {$llvmVersion} (zig's bundled clang)");
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$srcRoot = $this->fetchCompilerRtSource($llvmVersion);
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if ($srcRoot === null) {
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return;
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}
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f_mkdir($libDir, recursive: true);
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if (!file_exists($profileLib)) {
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$this->buildProfileRuntime($zig, $srcRoot, $profileLib);
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}
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if (!file_exists($crtBegin) || !file_exists($crtEnd)) {
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$this->buildCrtObjects($zig, $srcRoot, $crtBegin, $crtEnd);
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}
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FileSystem::removeDir($srcRoot);
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}
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private function fetchCompilerRtSource(string $llvmVersion): ?string
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{
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$pkgName = "compiler-rt-{$llvmVersion}";
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$tarball = "compiler-rt-{$llvmVersion}.src.tar.xz";
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$url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-{$llvmVersion}/{$tarball}";
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try {
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Downloader::downloadPackage($pkgName, [
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'type' => 'url',
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'url' => $url,
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'filename' => $tarball,
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]);
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}
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catch (\Throwable $e) {
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logger()->warning("[zig] failed to download {$tarball}: {$e->getMessage()}");
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return null;
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}
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$srcRoot = PKG_ROOT_PATH . "/compiler-rt-src-{$llvmVersion}";
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FileSystem::removeDir($srcRoot);
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FileSystem::extractPackage($pkgName, SPC_SOURCE_ARCHIVE, DOWNLOAD_PATH . '/' . $tarball, $srcRoot);
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return $srcRoot;
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}
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private function buildProfileRuntime(string $zig, string $srcRoot, string $libPath): void
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{
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$profileSrc = "{$srcRoot}/lib/profile";
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$profileInc = "{$srcRoot}/include";
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if (!is_dir($profileSrc)) {
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logger()->warning("[zig] profile src dir missing at {$profileSrc} — --pgo will not work");
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return;
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}
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$sources = array_merge(
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glob("{$profileSrc}/*.c") ?: [],
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glob("{$profileSrc}/*.cpp") ?: []
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);
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$skip = ['/PlatformAIX', '/PlatformDarwin', '/PlatformFuchsia', '/PlatformOther', '/PlatformWindows', '/WindowsMMap'];
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$sources = array_filter($sources, function ($f) use ($skip) {
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foreach ($skip as $s) {
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if (str_contains($f, $s)) {
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return false;
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}
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}
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return true;
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});
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$objDir = "{$srcRoot}/obj-profile";
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f_mkdir($objDir, recursive: true);
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$cflags = '-c -O2 -fPIC -fvisibility=hidden ' .
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'-I' . escapeshellarg($profileInc) . ' ' .
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'-DCOMPILER_RT_HAS_ATOMICS=1 -DCOMPILER_RT_HAS_FCNTL_LCK=1 -DCOMPILER_RT_HAS_UNAME=1';
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$objs = [];
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foreach ($sources as $src) {
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$obj = $objDir . '/' . pathinfo($src, PATHINFO_FILENAME) . '.o';
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$cmd = escapeshellarg($zig) . ' cc ' . $cflags . ' -o ' . escapeshellarg($obj) . ' ' . escapeshellarg($src) . ' 2>&1';
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if (!$this->runZigCmd($cmd, $obj, "failed to compile {$src}")) {
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return;
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}
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$objs[] = $obj;
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}
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$arCmd = escapeshellarg($zig) . ' ar rcs ' . escapeshellarg($libPath) . ' ' . implode(' ', array_map('escapeshellarg', $objs)) . ' 2>&1';
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if (!$this->runZigCmd($arCmd, $libPath, 'zig ar failed')) {
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return;
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}
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logger()->info('[zig] libclang_rt.profile.a installed (' . filesize($libPath) . ' bytes)');
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}
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private function buildCrtObjects(string $zig, string $srcRoot, string $crtBegin, string $crtEnd): void
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{
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$beginSrc = "{$srcRoot}/lib/builtins/crtbegin.c";
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$endSrc = "{$srcRoot}/lib/builtins/crtend.c";
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if (!is_file($beginSrc) || !is_file($endSrc)) {
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logger()->error("[zig] crtbegin/crtend source missing under {$srcRoot}/lib/builtins — shared libs will lack __dso_handle");
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return;
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}
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$cflags = '-c -O2 -fPIC -fvisibility=hidden -DCRT_HAS_INITFINI_ARRAY';
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foreach ([[$beginSrc, $crtBegin], [$endSrc, $crtEnd]] as [$src, $dst]) {
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$cmd = escapeshellarg($zig) . ' cc ' . $cflags . ' -o ' . escapeshellarg($dst) . ' ' . escapeshellarg($src) . ' 2>&1';
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if (!$this->runZigCmd($cmd, $dst, "failed to compile {$src}")) {
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return;
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}
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}
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logger()->info('[zig] clang_rt.crtbegin.o + clang_rt.crtend.o installed (' . filesize($crtBegin) . ' + ' . filesize($crtEnd) . ' bytes)');
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}
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private function runZigCmd(string $cmd, string $dst, string $errPrefix): bool
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{
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exec($cmd, $out, $rc);
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if ($rc !== 0 || !is_file($dst)) {
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logger()->warning("[zig] {$errPrefix}: " . implode("\n", $out));
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return false;
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}
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return true;
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}
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private function createZigCcScript(string $bin_dir): void
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{
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$script_path = __DIR__ . '/../scripts/zig-cc.sh';
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@@ -39,6 +39,24 @@ while [[ $# -gt 0 ]]; do
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esac
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done
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IS_LINK=1
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NEED_PROFILE_RT=0 # https://codeberg.org/ziglang/zig/issues/32066
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NEED_CRT=0 # https://codeberg.org/ziglang/zig/issues/32064
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for _a in "${PARSED_ARGS[@]}"; do
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case "$_a" in
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-c|-S|-E|-M|-MM) IS_LINK=0 ;;
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-fprofile-generate*|-fprofile-instr-generate*) NEED_PROFILE_RT=1 ;;
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-shared) NEED_CRT=1 ;;
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esac
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done
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[[ "$SPC_COMPILER_EXTRA" == *-fprofile-generate* ]] && NEED_PROFILE_RT=1
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if [[ $IS_LINK -eq 1 && $NEED_PROFILE_RT -eq 1 && -f "$SCRIPT_DIR/lib/libclang_rt.profile.a" ]]; then
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PARSED_ARGS+=("$SCRIPT_DIR/lib/libclang_rt.profile.a" "-Wl,-u,__llvm_profile_runtime")
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fi
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if [[ $IS_LINK -eq 1 && $NEED_CRT -eq 1 && -f "$SCRIPT_DIR/lib/clang_rt.crtbegin.o" && -f "$SCRIPT_DIR/lib/clang_rt.crtend.o" ]]; then
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PARSED_ARGS+=("$SCRIPT_DIR/lib/clang_rt.crtbegin.o" "$SCRIPT_DIR/lib/clang_rt.crtend.o")
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fi
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[[ -n "$SPC_TARGET" ]] && TARGET="-target $SPC_TARGET" || TARGET=""
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if [[ "$SPC_TARGET" =~ \.[0-9]+\.[0-9]+ ]]; then
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