build js/wasm target with emscripten
This commit is contained in:
Li Jie
@@ -42,8 +42,8 @@ import (
|
||||
"github.com/goplus/llgo/internal/mockable"
|
||||
"github.com/goplus/llgo/internal/packages"
|
||||
"github.com/goplus/llgo/internal/typepatch"
|
||||
llvmTarget "github.com/goplus/llgo/internal/xtool/llvm"
|
||||
"github.com/goplus/llgo/ssa/abi"
|
||||
"github.com/goplus/llgo/xtool/clang"
|
||||
xenv "github.com/goplus/llgo/xtool/env"
|
||||
"github.com/goplus/llgo/xtool/env/llvm"
|
||||
|
||||
@@ -247,7 +247,7 @@ func Do(args []string, conf *Config) ([]Package, error) {
|
||||
os.Setenv("PATH", env.BinDir()+":"+os.Getenv("PATH")) // TODO(xsw): check windows
|
||||
|
||||
output := conf.OutFile != ""
|
||||
export, err := crosscompile.UseCrossCompileSDK(conf.Goos, conf.Goarch, IsWasiThreadsEnabled())
|
||||
export, err := crosscompile.Use(conf.Goos, conf.Goarch, IsWasiThreadsEnabled(), IsRpathChangeEnabled())
|
||||
check(err)
|
||||
ctx := &context{env, cfg, progSSA, prog, dedup, patches, make(map[string]none), initial, mode, 0, output, make(map[*packages.Package]bool), make(map[*packages.Package]bool), conf, export}
|
||||
pkgs, err := buildAllPkgs(ctx, initial, verbose)
|
||||
@@ -334,6 +334,15 @@ type context struct {
|
||||
crossCompile crosscompile.Export
|
||||
}
|
||||
|
||||
func (c *context) compiler() *clang.Cmd {
|
||||
cmd := c.env.Clang()
|
||||
if c.crossCompile.CC != "" {
|
||||
cmd = clang.New(c.crossCompile.CC)
|
||||
}
|
||||
cmd.Verbose = c.buildConf.Verbose
|
||||
return cmd
|
||||
}
|
||||
|
||||
func buildAllPkgs(ctx *context, initial []*packages.Package, verbose bool) (pkgs []*aPackage, err error) {
|
||||
pkgs, errPkgs := allPkgs(ctx, initial, verbose)
|
||||
for _, errPkg := range errPkgs {
|
||||
@@ -404,7 +413,7 @@ func buildAllPkgs(ctx *context, initial []*packages.Package, verbose bool) (pkgs
|
||||
ctx.nLibdir++
|
||||
}
|
||||
}
|
||||
if err := ctx.env.Clang().CheckLinkArgs(pkgLinkArgs); err != nil {
|
||||
if err := ctx.compiler().CheckLinkArgs(pkgLinkArgs, isWasmTarget(ctx.buildConf.Goos)); err != nil {
|
||||
panic(fmt.Sprintf("test link args '%s' failed\n\texpanded to: %v\n\tresolved to: %v\n\terror: %v", param, expdArgs, pkgLinkArgs, err))
|
||||
}
|
||||
aPkg.LinkArgs = append(aPkg.LinkArgs, pkgLinkArgs...)
|
||||
@@ -434,7 +443,7 @@ func linkMainPkg(ctx *context, pkg *packages.Package, pkgs []*aPackage, conf *Co
|
||||
} else {
|
||||
app = filepath.Join(conf.BinPath, name+conf.AppExt)
|
||||
}
|
||||
} else if !strings.HasSuffix(app, conf.AppExt) {
|
||||
} else if filepath.Ext(app) == "" {
|
||||
app += conf.AppExt
|
||||
}
|
||||
|
||||
@@ -550,123 +559,23 @@ func compileAndLinkLLFiles(ctx *context, app string, llFiles, linkArgs []string,
|
||||
buildArgs = append(buildArgs, linkArgs...)
|
||||
|
||||
// Add common linker arguments based on target OS and architecture
|
||||
targetTriple := llvmTarget.GetTargetTriple(ctx.buildConf.Goos, ctx.buildConf.Goarch)
|
||||
buildArgs = append(buildArgs, buildLdflags(ctx.buildConf.Goos, ctx.buildConf.Goarch, targetTriple)...)
|
||||
|
||||
if IsDbgSymsEnabled() {
|
||||
buildArgs = append(buildArgs, "-gdwarf-4")
|
||||
}
|
||||
|
||||
buildArgs = append(buildArgs, ctx.crossCompile.CCFLAGS...)
|
||||
buildArgs = append(buildArgs, ctx.crossCompile.LDFLAGS...)
|
||||
buildArgs = append(buildArgs, ctx.crossCompile.EXTRAFLAGS...)
|
||||
buildArgs = append(buildArgs, llFiles...)
|
||||
if verbose {
|
||||
buildArgs = append(buildArgs, "-v")
|
||||
}
|
||||
|
||||
cmd := ctx.env.Clang()
|
||||
cmd := ctx.compiler()
|
||||
cmd.Verbose = verbose
|
||||
return cmd.Link(buildArgs...)
|
||||
}
|
||||
|
||||
func buildCflags(goos, goarch, targetTriple string) []string {
|
||||
args := []string{}
|
||||
if goarch == "wasm" {
|
||||
args = append(args, "-target", targetTriple)
|
||||
}
|
||||
return args
|
||||
}
|
||||
|
||||
// buildLdflags builds the common linker arguments based on target OS and architecture
|
||||
func buildLdflags(goos, goarch, targetTriple string) []string {
|
||||
args := []string{
|
||||
"-target", targetTriple,
|
||||
"-Wno-override-module",
|
||||
"-Wl,--error-limit=0",
|
||||
}
|
||||
if goos == runtime.GOOS {
|
||||
// Non-cross-compile
|
||||
args = append(args,
|
||||
"-fuse-ld=lld",
|
||||
"-Wno-override-module",
|
||||
)
|
||||
}
|
||||
|
||||
switch goos {
|
||||
case "darwin": // ld64.lld (macOS)
|
||||
if IsRpathChangeEnabled() {
|
||||
args = append(
|
||||
args,
|
||||
"-rpath", "@loader_path",
|
||||
"-rpath", "@loader_path/../lib",
|
||||
)
|
||||
}
|
||||
args = append(
|
||||
args,
|
||||
"-Xlinker", "-dead_strip",
|
||||
)
|
||||
case "windows": // lld-link (Windows)
|
||||
// TODO(xsw): Add options for Windows.
|
||||
case "wasi", "wasip1", "js": // wasm-ld (WebAssembly)
|
||||
args = append(
|
||||
args,
|
||||
// "-fdata-sections",
|
||||
// "-ffunction-sections",
|
||||
// "-nostdlib",
|
||||
// "-Wl,--no-entry",
|
||||
"-Wl,--export-all",
|
||||
"-Wl,--allow-undefined",
|
||||
"-Wl,--import-memory,", // unknown import: `env::memory` has not been defined
|
||||
"-Wl,--export-memory",
|
||||
"-Wl,--initial-memory=67108864", // 64MB
|
||||
"-mbulk-memory",
|
||||
"-mmultimemory",
|
||||
"-z", "stack-size=10485760", // 10MB
|
||||
"-Wl,--export=malloc", "-Wl,--export=free",
|
||||
"-lc",
|
||||
"-lcrypt",
|
||||
"-lm",
|
||||
"-lrt",
|
||||
"-lutil",
|
||||
// "-lxnet",
|
||||
// "-lresolv",
|
||||
"-lsetjmp",
|
||||
"-lwasi-emulated-mman",
|
||||
"-lwasi-emulated-getpid",
|
||||
"-lwasi-emulated-process-clocks",
|
||||
"-lwasi-emulated-signal",
|
||||
"-fwasm-exceptions",
|
||||
"-mllvm", "-wasm-enable-sjlj",
|
||||
// "-mllvm", "-wasm-enable-eh", // unreachable error if enabled
|
||||
// "-mllvm", "-wasm-disable-explicit-locals", // WASM module load failed: type mismatch: expect data but stack was empty if enabled
|
||||
)
|
||||
if IsWasiThreadsEnabled() {
|
||||
args = append(
|
||||
args,
|
||||
"-lwasi-emulated-pthread",
|
||||
"-lpthread",
|
||||
"-pthread", // global is immutable if -pthread is not specified
|
||||
// "-matomics", // undefined symbol: __atomic_load
|
||||
)
|
||||
}
|
||||
default: // ld.lld (Unix)
|
||||
args = append(
|
||||
args,
|
||||
// "-rpath", "$ORIGIN",
|
||||
// "-rpath", "$ORIGIN/../lib",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-Xlinker",
|
||||
"--gc-sections",
|
||||
"-lm",
|
||||
"-latomic",
|
||||
"-lpthread", // libpthread is built-in since glibc 2.34 (2021-08-01); we need to support earlier versions.
|
||||
)
|
||||
}
|
||||
|
||||
return args
|
||||
}
|
||||
|
||||
func isWasmTarget(goos string) bool {
|
||||
return slices.Contains([]string{"wasi", "js", "wasip1"}, goos)
|
||||
}
|
||||
@@ -1042,16 +951,13 @@ func clFiles(ctx *context, files string, pkg *packages.Package, procFile func(li
|
||||
|
||||
func clFile(ctx *context, args []string, cFile, expFile string, procFile func(linkFile string), verbose bool) {
|
||||
llFile := expFile + filepath.Base(cFile) + ".ll"
|
||||
targetTriple := llvmTarget.GetTargetTriple(ctx.buildConf.Goos, ctx.buildConf.Goarch)
|
||||
cflags := buildCflags(ctx.buildConf.Goos, ctx.buildConf.Goarch, targetTriple)
|
||||
args = append(cflags, args...)
|
||||
args = append(args, "-emit-llvm", "-S", "-o", llFile, "-c", cFile)
|
||||
args = append(args, ctx.crossCompile.CCFLAGS...)
|
||||
args = append(args, ctx.crossCompile.CFLAGS...)
|
||||
if verbose {
|
||||
fmt.Fprintln(os.Stderr, "clang", args)
|
||||
}
|
||||
cmd := ctx.env.Clang()
|
||||
cmd := ctx.compiler()
|
||||
err := cmd.Compile(args...)
|
||||
check(err)
|
||||
procFile(llFile)
|
||||
|
||||
Reference in New Issue
Block a user