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add cpu builtins for zig

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This commit is contained in:
henderkes
2026-06-05 19:33:44 +07:00
parent daa694ab2c
commit 53bd0fca4f
2 changed files with 45 additions and 1 deletions
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43
src/SPC/store/pkg/Zig.php
View File

@@ -157,7 +157,8 @@ class Zig extends CustomPackage
$profileLib = "{$libDir}/libclang_rt.profile.a";
$crtBegin = "{$libDir}/clang_rt.crtbegin.o";
$crtEnd = "{$libDir}/clang_rt.crtend.o";
if (file_exists($profileLib) && file_exists($crtBegin) && file_exists($crtEnd)) {
$cpuModelLib = "{$libDir}/libclang_rt.cpu_model.a";
if (file_exists($profileLib) && file_exists($crtBegin) && file_exists($crtEnd) && file_exists($cpuModelLib)) {
return;
}
@@ -182,9 +183,49 @@ class Zig extends CustomPackage
if (!file_exists($crtBegin) || !file_exists($crtEnd)) {
$this->buildCrtObjects($zig, $srcRoot, $crtBegin, $crtEnd);
}
if (!file_exists($cpuModelLib)) {
$this->buildCpuModelBuiltins($zig, $srcRoot, $cpuModelLib);
}
FileSystem::removeDir($srcRoot);
}
private function buildCpuModelBuiltins(string $zig, string $srcRoot, string $libPath): void
{
$builtins = "{$srcRoot}/lib/builtins";
$arch = php_uname('m');
$cpuModelDir = "{$builtins}/cpu_model";
if (is_dir($cpuModelDir)) {
$src = match (true) {
in_array($arch, ['x86_64', 'amd64', 'i386', 'i686', 'x86'], true) => "{$cpuModelDir}/x86.c",
in_array($arch, ['aarch64', 'arm64'], true) => "{$cpuModelDir}/aarch64.c",
str_starts_with($arch, 'riscv') => "{$cpuModelDir}/riscv.c",
default => null,
};
$includes = '-I' . escapeshellarg($builtins) . ' -I' . escapeshellarg($cpuModelDir);
} else {
$src = "{$builtins}/cpu_model.c";
$includes = '-I' . escapeshellarg($builtins);
}
if ($src === null || !is_file($src)) {
logger()->warning("[zig] cpu_model source not found for arch {$arch} under {$builtins} — __builtin_cpu_supports/__cpu_model will be unresolved");
return;
}
$objDir = "{$srcRoot}/obj-cpu-model";
f_mkdir($objDir, recursive: true);
$obj = "{$objDir}/cpu_model.o";
$cflags = '-c -O2 -fPIC ' . $includes;
$cmd = escapeshellarg($zig) . ' cc ' . $cflags . ' -o ' . escapeshellarg($obj) . ' ' . escapeshellarg($src) . ' 2>&1';
if (!$this->runZigCmd($cmd, $obj, "failed to compile {$src}")) {
return;
}
$arCmd = escapeshellarg($zig) . ' ar rcs ' . escapeshellarg($libPath) . ' ' . escapeshellarg($obj) . ' 2>&1';
if (!$this->runZigCmd($arCmd, $libPath, 'zig ar failed for cpu_model')) {
return;
}
logger()->info('[zig] libclang_rt.cpu_model.a installed (' . filesize($libPath) . ' bytes)');
}
private function fetchCompilerRtSource(string $llvmVersion): ?string
{
$pkgName = "compiler-rt-{$llvmVersion}";

3
src/SPC/store/scripts/zig-cc.sh
View File

@@ -67,6 +67,9 @@ fi
if [[ $IS_LINK -eq 1 && $NEED_CRT -eq 1 && -f "$SCRIPT_DIR/lib/clang_rt.crtbegin.o" && -f "$SCRIPT_DIR/lib/clang_rt.crtend.o" ]]; then
PARSED_ARGS+=("$SCRIPT_DIR/lib/clang_rt.crtbegin.o" "$SCRIPT_DIR/lib/clang_rt.crtend.o")
fi
if [[ $IS_LINK -eq 1 && -f "$SCRIPT_DIR/lib/libclang_rt.cpu_model.a" ]]; then
PARSED_ARGS+=("$SCRIPT_DIR/lib/libclang_rt.cpu_model.a")
fi
[[ -n "$SPC_TARGET" ]] && TARGET="-target $SPC_TARGET" || TARGET=""