1 files changed, 0 insertions, 136 deletions
diff --git a/unix/mkasm_darwin.go b/unix/mkasm_darwin.go
deleted file mode 100644
index 4e33c7a..0000000
--- a/unix/mkasm_darwin.go
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build ignore
-// +build ignore
-
-// mkasm_darwin.go generates assembly trampolines to call libSystem routines from Go.
-// This program must be run after mksyscall.go.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-	"sort"
-	"strings"
-)
-
-const ptrsize = 8 // Pointer size. All supported platforms are 64-bit.
-
-func writeASMFile(in string, fileName string, buildTags string) map[string]bool {
-	trampolines := map[string]bool{}
-
-	var out bytes.Buffer
-
-	fmt.Fprintf(&out, "// go run mkasm_darwin.go %s\n", strings.Join(os.Args[1:], " "))
-	fmt.Fprintf(&out, "// Code generated by the command above; DO NOT EDIT.\n")
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "//go:build %s\n", buildTags)
-	fmt.Fprintf(&out, "// +build %s\n", buildTags)
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "#include \"textflag.h\"\n")
-	for _, line := range strings.Split(in, "\n") {
-		const prefix = "var "
-		const suffix = "_trampoline_addr uintptr"
-		if !strings.HasPrefix(line, prefix) || !strings.HasSuffix(line, suffix) {
-			continue
-		}
-		fn := strings.TrimSuffix(strings.TrimPrefix(line, prefix), suffix)
-		if !trampolines[fn] {
-			trampolines[fn] = true
-			fmt.Fprintf(&out, "\nTEXT %s_trampoline<>(SB),NOSPLIT,$0-0\n", fn)
-			fmt.Fprintf(&out, "\tJMP\t%s(SB)\n\n", fn)
-			fmt.Fprintf(&out, "GLOBL\t·%s_trampoline_addr(SB), RODATA, $%d\n", fn, ptrsize)
-			fmt.Fprintf(&out, "DATA\t·%s_trampoline_addr(SB)/%d, $%s_trampoline<>(SB)\n", fn, ptrsize, fn)
-		}
-	}
-	err := ioutil.WriteFile(fileName, out.Bytes(), 0644)
-	if err != nil {
-		log.Fatalf("can't write %s: %s", fileName, err)
-	}
-
-	return trampolines
-}
-
-const darwinTestTemplate = `// go run mkasm_darwin.go %s
-// Code generated by the command above; DO NOT EDIT.
-
-//go:build darwin && go1.12
-// +build darwin,go1.12
-
-package unix
-
-// All the _trampoline functions in zsyscall_darwin_%s.s.
-var darwinTests = [...]darwinTest{
-%s}
-`
-
-func writeDarwinTest(trampolines map[string]bool, fileName, arch string) {
-	// sort trampolines
-	sorted := make([]string, len(trampolines))
-	i := 0
-	for trampoline := range trampolines {
-		sorted[i] = trampoline
-		i++
-	}
-	sort.Slice(sorted, func(i, j int) bool { return sorted[i] < sorted[j] })
-
-	var out bytes.Buffer
-
-	const prefix = "libc_"
-	for _, trampoline := range sorted {
-		fmt.Fprintf(&out, fmt.Sprintf("\t{%q, %s_trampoline_addr},\n", strings.TrimPrefix(trampoline, prefix), trampoline))
-	}
-	lines := out.String()
-
-	out.Reset()
-	fmt.Fprintf(&out, darwinTestTemplate, strings.Join(os.Args[1:], " "), arch, lines)
-
-	err := ioutil.WriteFile(fileName, out.Bytes(), 0644)
-	if err != nil {
-		log.Fatalf("can't write %s: %s", fileName, err)
-	}
-}
-
-func main() {
-	in1, err := ioutil.ReadFile("syscall_darwin.go")
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin.go: %s", err)
-	}
-	arch := os.Args[1]
-	in2, err := ioutil.ReadFile(fmt.Sprintf("syscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin_%s.go: %s", arch, err)
-	}
-	in3, err := ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open zsyscall_darwin_%s.go: %s", arch, err)
-	}
-	in := string(in1) + string(in2) + string(in3)
-
-	trampolines := writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.s", arch), "go1.12")
-
-	in1, err = ioutil.ReadFile("syscall_darwin.1_13.go")
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin.1_13.go: %s", err)
-	}
-	in2, err = ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.1_13.go", arch))
-	if err != nil {
-		log.Fatalf("can't open zsyscall_darwin_%s.1_13.go: %s", arch, err)
-	}
-
-	in = string(in1) + string(in2)
-
-	trampolines2 := writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.1_13.s", arch), "go1.13")
-
-	// merge trampolines
-	for trampoline := range trampolines2 {
-		trampolines[trampoline] = true
-	}
-
-	writeDarwinTest(trampolines, fmt.Sprintf("darwin_%s_test.go", arch), arch)
-}