mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-03 10:37:46 +00:00
Ayke van Laethem
2d6d9eb76d
These libraries will be automatically built when needed and cached. The main reason these were needed is for play.tinygo.org, but I've now prebuilt them there directly (so they don't need to be built for every tarball).
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
package builder
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import (
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"os"
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"path/filepath"
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"github.com/tinygo-org/tinygo/goenv"
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)
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var libWasmBuiltins = Library{
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name: "wasmbuiltins",
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makeHeaders: func(target, includeDir string) error {
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if err := os.Mkdir(includeDir+"/bits", 0o777); err != nil {
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return err
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}
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f, err := os.Create(includeDir + "/bits/alltypes.h")
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if err != nil {
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return err
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}
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if _, err := f.Write([]byte(wasmAllTypes)); err != nil {
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return err
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}
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return f.Close()
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},
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cflags: func(target, headerPath string) []string {
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libcDir := filepath.Join(goenv.Get("TINYGOROOT"), "lib/wasi-libc")
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return []string{
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"-Werror",
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"-Wall",
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"-std=gnu11",
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"-nostdlibinc",
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"-isystem", libcDir + "/libc-top-half/musl/arch/wasm32",
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"-isystem", libcDir + "/libc-top-half/musl/arch/generic",
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"-isystem", libcDir + "/libc-top-half/musl/src/internal",
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"-isystem", libcDir + "/libc-top-half/musl/src/include",
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"-isystem", libcDir + "/libc-top-half/musl/include",
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"-isystem", libcDir + "/libc-bottom-half/headers/public",
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"-I" + headerPath,
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}
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},
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sourceDir: func() string { return filepath.Join(goenv.Get("TINYGOROOT"), "lib/wasi-libc") },
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librarySources: func(target string) ([]string, error) {
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return []string{
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// memory builtins needed for llvm.memcpy.*, llvm.memmove.*, and
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// llvm.memset.* LLVM intrinsics.
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"libc-top-half/musl/src/string/memcpy.c",
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"libc-top-half/musl/src/string/memmove.c",
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"libc-top-half/musl/src/string/memset.c",
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// exp, exp2, and log are needed for LLVM math builtin functions
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// like llvm.exp.*.
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"libc-top-half/musl/src/math/__math_divzero.c",
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"libc-top-half/musl/src/math/__math_invalid.c",
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"libc-top-half/musl/src/math/__math_oflow.c",
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"libc-top-half/musl/src/math/__math_uflow.c",
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"libc-top-half/musl/src/math/__math_xflow.c",
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"libc-top-half/musl/src/math/exp.c",
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"libc-top-half/musl/src/math/exp_data.c",
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"libc-top-half/musl/src/math/exp2.c",
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"libc-top-half/musl/src/math/log.c",
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"libc-top-half/musl/src/math/log_data.c",
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}, nil
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},
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}
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// alltypes.h for wasm-libc, using the types as defined inside Clang.
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const wasmAllTypes = `
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typedef __SIZE_TYPE__ size_t;
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typedef __INT8_TYPE__ int8_t;
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typedef __INT16_TYPE__ int16_t;
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typedef __INT32_TYPE__ int32_t;
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typedef __INT64_TYPE__ int64_t;
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typedef __UINT8_TYPE__ uint8_t;
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typedef __UINT16_TYPE__ uint16_t;
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typedef __UINT32_TYPE__ uint32_t;
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typedef __UINT64_TYPE__ uint64_t;
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typedef __UINTPTR_TYPE__ uintptr_t;
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// This type is used internally in wasi-libc.
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typedef double double_t;
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`
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