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author | Valentin Rothberg <rothberg@redhat.com> | 2019-06-24 11:29:13 +0200 |
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committer | Valentin Rothberg <rothberg@redhat.com> | 2019-06-24 13:20:59 +0200 |
commit | d697456dc90adbaf68224ed7c115b38d5855e582 (patch) | |
tree | 5fd88c48b34e7bead0028fa97e39f43f03880642 /vendor/golang.org/x/sys/unix/mkasm_darwin.go | |
parent | a3211b73c62a9fcc13f09305bf629ef507b26d34 (diff) | |
download | podman-d697456dc90adbaf68224ed7c115b38d5855e582.tar.gz podman-d697456dc90adbaf68224ed7c115b38d5855e582.tar.bz2 podman-d697456dc90adbaf68224ed7c115b38d5855e582.zip |
migrate to go-modules
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/golang.org/x/sys/unix/mkasm_darwin.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/mkasm_darwin.go | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/mkasm_darwin.go b/vendor/golang.org/x/sys/unix/mkasm_darwin.go new file mode 100644 index 000000000..4548b993d --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mkasm_darwin.go @@ -0,0 +1,61 @@ +// 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. + +// +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" + "strings" +) + +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 := 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, "// +build go1.12\n") + fmt.Fprintf(&out, "\n") + fmt.Fprintf(&out, "#include \"textflag.h\"\n") + for _, line := range strings.Split(in, "\n") { + if !strings.HasPrefix(line, "func ") || !strings.HasSuffix(line, "_trampoline()") { + continue + } + fn := line[5 : len(line)-13] + if !trampolines[fn] { + trampolines[fn] = true + fmt.Fprintf(&out, "TEXT ยท%s_trampoline(SB),NOSPLIT,$0-0\n", fn) + fmt.Fprintf(&out, "\tJMP\t%s(SB)\n", fn) + } + } + err = ioutil.WriteFile(fmt.Sprintf("zsyscall_darwin_%s.s", arch), out.Bytes(), 0644) + if err != nil { + log.Fatalf("can't write zsyscall_darwin_%s.s: %s", arch, err) + } +} |