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unix: remove Go 1.12 compatibility on darwin

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Go 1.12 was released more than 3 years ago. Dropping support for it will
simplify generating the wrappers needed for Getdirentries
implementation.

Change-Id: If24bf6ff9076fb4e281948c67bac87744df98d7a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/430176
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Tobias Klauser
2022-09-15 20:00:43 +00:00
committed by Gopher Robot
parent 63ea559210
commit 7b5979e65e
13 changed files with 188 additions and 305 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/mkasm.go
+4 -26
View File
@@ -31,7 +31,7 @@ func archPtrSize(arch string) int {
}
}
func generateASMFile(arch string, inFileNames []string, outFileName, buildTags string) map[string]bool {
func generateASMFile(arch string, inFileNames []string, outFileName string) map[string]bool {
trampolines := map[string]bool{}
var orderedTrampolines []string
for _, inFileName := range inFileNames {
@@ -59,11 +59,6 @@ func generateASMFile(arch string, inFileNames []string, outFileName, buildTags s
fmt.Fprintf(&out, "// go run mkasm.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")
if buildTags != "" {
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 _, fn := range orderedTrampolines {
fmt.Fprintf(&out, "\nTEXT %s_trampoline<>(SB),NOSPLIT,$0-0\n", fn)
@@ -121,7 +116,6 @@ func main() {
}
goos, arch := os.Args[1], os.Args[2]
buildTags := ""
syscallFilename := fmt.Sprintf("syscall_%s.go", goos)
syscallArchFilename := fmt.Sprintf("syscall_%s_%s.go", goos, arch)
zsyscallArchFilename := fmt.Sprintf("zsyscall_%s_%s.go", goos, arch)
@@ -133,25 +127,9 @@ func main() {
zsyscallArchFilename,
}
trampolines := generateASMFile(arch, inFileNames, zsyscallASMFileName)
if goos == "darwin" {
buildTags = "go1.12"
writeDarwinTest(trampolines, fmt.Sprintf("darwin_%s_test.go", arch), arch)
}
trampolines := generateASMFile(arch, inFileNames, zsyscallASMFileName, buildTags)
if goos != "darwin" {
return
}
inFileNames = []string{
"syscall_darwin.1_13.go",
fmt.Sprintf("zsyscall_darwin_%s.1_13.go", arch),
}
trampolines2 := generateASMFile(arch, inFileNames, 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)
}