Merge pull request #335 from xushiwei/q

build: LLGoFiles (support to compile c files)
This commit is contained in:
xushiwei
2024-06-17 11:06:43 +08:00
committed by GitHub
8 changed files with 88 additions and 142 deletions

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@@ -25,7 +25,6 @@ import (
"log"
"os"
"sort"
"strings"
"github.com/goplus/llgo/cl/blocks"
"github.com/goplus/llgo/internal/typepatch"
@@ -91,20 +90,6 @@ func (p *context) pkgNoInit(pkg *types.Package) bool {
return false
}
func ignoreName(name string) bool {
/* TODO(xsw): confirm this is not needed more
if name == "unsafe.init" {
return true
}
*/
return strings.HasPrefix(name, "internal/") || strings.HasPrefix(name, "crypto/") ||
strings.HasPrefix(name, "arena.") || strings.HasPrefix(name, "maps.") ||
strings.HasPrefix(name, "time.") || strings.HasPrefix(name, "syscall.") ||
strings.HasPrefix(name, "os.") || strings.HasPrefix(name, "plugin.") ||
strings.HasPrefix(name, "reflect.") || strings.HasPrefix(name, "errors.") ||
strings.HasPrefix(name, "runtime/")
}
// -----------------------------------------------------------------------------
type instrOrValue interface {

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@@ -490,6 +490,20 @@ func replaceGoName(v string, pos int) string {
return v
}
func ignoreName(name string) bool {
/* TODO(xsw): confirm this is not needed more
if name == "unsafe.init" {
return true
}
*/
return strings.HasPrefix(name, "internal/") || strings.HasPrefix(name, "crypto/") ||
strings.HasPrefix(name, "arena.") || strings.HasPrefix(name, "maps.") ||
strings.HasPrefix(name, "time.") || strings.HasPrefix(name, "syscall.") ||
strings.HasPrefix(name, "os.") || strings.HasPrefix(name, "plugin.") ||
strings.HasPrefix(name, "reflect.") || strings.HasPrefix(name, "errors.") ||
strings.HasPrefix(name, "runtime/")
}
// -----------------------------------------------------------------------------
const (

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@@ -52,7 +52,7 @@ type Command struct {
// Llgo command
var Llgo = &Command{
UsageLine: "llgo",
Short: `llgo is a Go compiler based on LLVM in order to better integrate Go with the C ecosystem.`,
Short: `llgo is a Go compiler based on LLVM in order to better integrate Go with the C ecosystem including Python.`,
// Commands initialized in package main
}

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@@ -19,6 +19,7 @@ package build
import (
"archive/zip"
"fmt"
"go/constant"
"go/token"
"go/types"
"io"
@@ -147,7 +148,7 @@ func Do(args []string, conf *Config) {
progSSA := ssa.NewProgram(initial[0].Fset, ssaBuildMode)
patches := make(cl.Patches, len(altPkgPaths))
altSSAPkgs(progSSA, patches, altPkgs[1:])
altSSAPkgs(progSSA, patches, altPkgs[1:], verbose)
ctx := &context{progSSA, prog, dedup, patches, make(map[string]none), mode, verbose}
pkgs := buildAllPkgs(ctx, initial)
@@ -234,9 +235,8 @@ func buildAllPkgs(ctx *context, initial []*packages.Package) (pkgs []*aPackage)
// and set no export file
pkg.ExportFile = ""
case cl.PkgLinkIR, cl.PkgLinkExtern, cl.PkgPyModule:
pkgPath := pkg.PkgPath
if isPkgInLLGo(pkgPath) {
pkg.ExportFile = concatPkgLinkFiles(pkgPath)
if isPkgInLLGo(pkg.PkgPath) {
pkg.ExportFile = concatPkgLinkFiles(pkg, ctx.verbose)
} else {
// panic("todo")
// TODO(xsw): support packages out of llgo
@@ -292,18 +292,18 @@ func linkMainPkg(pkg *packages.Package, pkgs []*aPackage, runtimeFiles []string,
if app == "" {
app = filepath.Join(conf.BinPath, name+conf.AppExt)
}
const N = 6
const N = 5
args := make([]string, N, len(pkg.Imports)+len(runtimeFiles)+(N+1))
args[0] = "-o"
args[1] = app
args[2] = "-Wno-override-module"
args[3] = "-fuse-ld=lld"
args[4] = "-Xlinker"
args[3] = "-Xlinker"
if runtime.GOOS == "darwin" { // ld64.lld (macOS)
args[5] = "-dead_strip"
args[4] = "-dead_strip"
} else { // ld.lld (Unix), lld-link (Windows), wasm-ld (WebAssembly)
args[5] = "--gc-sections"
args[4] = "--gc-sections"
}
//args[5] = "-fuse-ld=lld" // TODO(xsw): to check lld exists or not
//args[6] = "-O2"
needRuntime := false
needPyInit := false
@@ -399,25 +399,6 @@ func buildPkg(ctx *context, aPkg *aPackage) {
aPkg.LPkg = ret
}
func canSkipToBuild(pkgPath string) bool {
switch pkgPath {
case "unsafe", "errors", "runtime", "sync": // TODO(xsw): remove it
return true
default:
return strings.HasPrefix(pkgPath, "internal/") ||
strings.HasPrefix(pkgPath, "runtime/internal/")
}
}
type none struct{}
var hasAltPkg = map[string]none{
"math": {},
"sync": {},
"sync/atomic": {},
"runtime": {},
}
const (
altPkgPathPrefix = "github.com/goplus/llgo/internal/lib/"
)
@@ -433,14 +414,14 @@ func altPkgs(initial []*packages.Package, alts ...string) []string {
return alts
}
func altSSAPkgs(prog *ssa.Program, patches cl.Patches, alts []*packages.Package) {
func altSSAPkgs(prog *ssa.Program, patches cl.Patches, alts []*packages.Package, verbose bool) {
packages.Visit(alts, nil, func(p *packages.Package) {
if p.Types != nil && !p.IllTyped {
pkgSSA := prog.CreatePackage(p.Types, p.Syntax, p.TypesInfo, true)
if strings.HasPrefix(p.PkgPath, altPkgPathPrefix) {
path := p.PkgPath[len(altPkgPathPrefix):]
patches[path] = pkgSSA
if debugBuild {
if debugBuild || verbose {
log.Println("==> Patching", path)
}
}
@@ -462,13 +443,16 @@ func allPkgs(ctx *context, initial []*packages.Package) (all []*aPackage, errs [
built := ctx.built
packages.Visit(initial, nil, func(p *packages.Package) {
if p.Types != nil && !p.IllTyped {
if _, ok := built[p.PkgPath]; ok {
pkgPath := p.PkgPath
if _, ok := built[pkgPath]; ok {
return
}
var altPkg *packages.Cached
var ssaPkg = createSSAPkg(prog, p, verbose)
if _, ok := hasAltPkg[p.PkgPath]; ok {
altPkg = ctx.dedup.Check(altPkgPathPrefix + p.PkgPath)
if _, ok := hasAltPkg[pkgPath]; ok {
if altPkg = ctx.dedup.Check(altPkgPathPrefix + pkgPath); altPkg == nil {
return
}
}
all = append(all, &aPackage{p, ssaPkg, altPkg, nil})
} else {
@@ -579,11 +563,11 @@ func isSingleLinkFile(ret string) bool {
return len(ret) > 0 && ret[0] != ' '
}
func concatPkgLinkFiles(pkgPath string) string {
func concatPkgLinkFiles(pkg *packages.Package, verbose bool) string {
var b strings.Builder
var ret string
var n int
llgoPkgLinkFiles(pkgPath, "", func(linkFile string) {
llgoPkgLinkFiles(pkg, "", func(linkFile string) {
if n == 0 {
ret = linkFile
} else {
@@ -591,7 +575,7 @@ func concatPkgLinkFiles(pkgPath string) string {
b.WriteString(linkFile)
}
n++
})
}, verbose)
if n > 1 {
b.WriteByte(' ')
b.WriteString(ret)
@@ -600,7 +584,39 @@ func concatPkgLinkFiles(pkgPath string) string {
return ret
}
func llgoPkgLinkFiles(pkgPath string, llFile string, procFile func(linkFile string)) {
// const LLGoFiles = "file1; file2; ..."
func llgoPkgLinkFiles(pkg *packages.Package, llFile string, procFile func(linkFile string), verbose bool) {
if o := pkg.Types.Scope().Lookup("LLGoFiles"); o != nil {
val := o.(*types.Const).Val()
if val.Kind() == constant.String {
clFiles(constant.StringVal(val), pkg, procFile, verbose)
}
}
unzipPkgLinkFiles(pkg.PkgPath, llFile, procFile)
}
// files = "file1; file2; ..."
func clFiles(files string, pkg *packages.Package, procFile func(linkFile string), verbose bool) {
dir := filepath.Dir(pkg.CompiledGoFiles[0])
expFile := pkg.ExportFile
for _, file := range strings.Split(files, ";") {
cFile := filepath.Join(dir, strings.TrimSpace(file))
clFile(cFile, expFile, procFile, verbose)
}
}
func clFile(cFile, expFile string, procFile func(linkFile string), verbose bool) {
llFile := expFile + filepath.Base(cFile) + ".ll"
args := []string{"-emit-llvm", "-S", "-o", llFile, "-c", cFile}
if verbose {
fmt.Fprintln(os.Stderr, "clang", args)
}
err := clang.New("").Exec(args...)
check(err)
procFile(llFile)
}
func unzipPkgLinkFiles(pkgPath string, llFile string, procFile func(linkFile string)) {
dir := llgoRoot() + pkgPath[len(llgoModPath):] + "/"
if llFile == "" {
llFile = "llgo_autogen.ll"
@@ -685,6 +701,25 @@ func decodeFile(outFile string, zipf *zip.File) (err error) {
return
}
func canSkipToBuild(pkgPath string) bool {
switch pkgPath {
case "unsafe", "errors": // TODO(xsw): remove it
return true
default:
return strings.HasPrefix(pkgPath, "internal/") ||
strings.HasPrefix(pkgPath, "runtime/internal/")
}
}
type none struct{}
var hasAltPkg = map[string]none{
"math": {},
"sync": {},
"sync/atomic": {},
"runtime": {},
}
func check(err error) {
if err != nil {
panic(err)

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@@ -1,7 +0,0 @@
{
"cl": [
"clang -emit-llvm -S -o module.ll -c _pyg/module.c",
"llgen .",
"rm llgo_autogen.lla; zip llgo_autogen.lla llgo_autogen.ll module.ll",
]
}

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@@ -1,82 +0,0 @@
; ModuleID = '_pyg/module.c'
source_filename = "_pyg/module.c"
%struct.PyObject = type opaque
; Function Attrs: noinline nounwind optnone ssp uwtable(sync)
define void @llgoLoadPyModSyms(%struct.PyObject* noundef %0, ...) #0 {
%2 = alloca %struct.PyObject*, align 8
%3 = alloca i8*, align 8
%4 = alloca i8*, align 8
%5 = alloca i8*, align 8
%6 = alloca %struct.PyObject**, align 8
%7 = alloca %struct.PyObject**, align 8
store %struct.PyObject* %0, %struct.PyObject** %2, align 8
%8 = bitcast i8** %3 to i8*
call void @llvm.va_start(i8* %8)
br label %9
9: ; preds = %26, %1
%10 = va_arg i8** %3, i8*
store i8* %10, i8** %5, align 8
%11 = load i8*, i8** %5, align 8
store i8* %11, i8** %4, align 8
%12 = load i8*, i8** %4, align 8
%13 = icmp eq i8* %12, null
br i1 %13, label %14, label %15
14: ; preds = %9
br label %27
15: ; preds = %9
%16 = va_arg i8** %3, %struct.PyObject**
store %struct.PyObject** %16, %struct.PyObject*** %7, align 8
%17 = load %struct.PyObject**, %struct.PyObject*** %7, align 8
store %struct.PyObject** %17, %struct.PyObject*** %6, align 8
%18 = load %struct.PyObject**, %struct.PyObject*** %6, align 8
%19 = load %struct.PyObject*, %struct.PyObject** %18, align 8
%20 = icmp eq %struct.PyObject* %19, null
br i1 %20, label %21, label %26
21: ; preds = %15
%22 = load %struct.PyObject*, %struct.PyObject** %2, align 8
%23 = load i8*, i8** %4, align 8
%24 = call %struct.PyObject* @PyObject_GetAttrString(%struct.PyObject* noundef %22, i8* noundef %23)
%25 = load %struct.PyObject**, %struct.PyObject*** %6, align 8
store %struct.PyObject* %24, %struct.PyObject** %25, align 8
br label %26
26: ; preds = %21, %15
br label %9
27: ; preds = %14
%28 = bitcast i8** %3 to i8*
call void @llvm.va_end(i8* %28)
ret void
}
; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start(i8*) #1
declare %struct.PyObject* @PyObject_GetAttrString(%struct.PyObject* noundef, i8* noundef) #2
; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end(i8*) #1
attributes #0 = { noinline nounwind optnone ssp uwtable(sync) "frame-pointer"="non-leaf" "min-legal-vector-width"="0" "no-trapping-math"="true" "probe-stack"="__chkstk_darwin" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.5a,+zcm,+zcz" }
attributes #1 = { nocallback nofree nosync nounwind willreturn }
attributes #2 = { "frame-pointer"="non-leaf" "no-trapping-math"="true" "probe-stack"="__chkstk_darwin" "stack-protector-buffer-size"="8" "target-cpu"="apple-m1" "target-features"="+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.5a,+zcm,+zcz" }
!llvm.module.flags = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
!llvm.ident = !{!9}
!0 = !{i32 2, !"SDK Version", [2 x i32] [i32 13, i32 3]}
!1 = !{i32 1, !"wchar_size", i32 4}
!2 = !{i32 8, !"branch-target-enforcement", i32 0}
!3 = !{i32 8, !"sign-return-address", i32 0}
!4 = !{i32 8, !"sign-return-address-all", i32 0}
!5 = !{i32 8, !"sign-return-address-with-bkey", i32 0}
!6 = !{i32 7, !"PIC Level", i32 2}
!7 = !{i32 7, !"uwtable", i32 1}
!8 = !{i32 7, !"frame-pointer", i32 1}
!9 = !{!"Apple clang version 14.0.3 (clang-1403.0.22.14.1)"}

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@@ -23,6 +23,7 @@ import (
)
const (
LLGoFiles = "_pyg/module.c"
LLGoPackage = "link: $LLGO_LIB_PYTHON; $(pkg-config --libs python3-embed)"
)