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// 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.
package sys
// RaceDetectorSupported reports whether goos/goarch supports the race
// detector. There is a copy of this function in cmd/dist/test.go.
// Race detector only supports 48-bit VMA on arm64. But it will always
// return true for arm64, because we don't have VMA size information during
// the compile time.
func RaceDetectorSupported(goos, goarch string) bool {
switch goos {
case "linux":
return goarch == "amd64" || goarch == "ppc64le" || goarch == "arm64"
case "darwin":
return goarch == "amd64" || goarch == "arm64"
case "freebsd", "netbsd", "openbsd", "windows":
return goarch == "amd64"
default:
return false
}
}
// MSanSupported reports whether goos/goarch supports the memory
// sanitizer option. There is a copy of this function in cmd/dist/test.go.
func MSanSupported(goos, goarch string) bool {
switch goos {
case "linux":
return goarch == "amd64" || goarch == "arm64"
default:
return false
}
}
// MustLinkExternal reports whether goos/goarch requires external linking.
// (This is the opposite of internal/testenv.CanInternalLink. Keep them in sync.)
func MustLinkExternal(goos, goarch string) bool {
switch goos {
case "android":
if goarch != "arm64" {
return true
}
case "ios":
if goarch == "arm64" {
return true
}
}
return false
}
// BuildModeSupported reports whether goos/goarch supports the given build mode
// using the given compiler.
func BuildModeSupported(compiler, buildmode, goos, goarch string) bool {
if compiler == "gccgo" {
return true
}
platform := goos + "/" + goarch
switch buildmode {
case "archive":
return true
case "c-archive":
// TODO(bcmills): This seems dubious.
// Do we really support c-archive mode on js/wasm‽
return platform != "linux/ppc64"
case "c-shared":
switch platform {
case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/ppc64le", "linux/s390x",
"android/amd64", "android/arm", "android/arm64", "android/386",
"freebsd/amd64",
"darwin/amd64", "darwin/arm64",
"windows/amd64", "windows/386":
return true
}
return false
case "default":
return true
case "exe":
return true
case "pie":
switch platform {
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/riscv64", "linux/s390x",
"android/amd64", "android/arm", "android/arm64", "android/386",
"freebsd/amd64",
"darwin/amd64", "darwin/arm64",
"ios/amd64", "ios/arm64",
"aix/ppc64",
"windows/386", "windows/amd64", "windows/arm":
return true
}
return false
case "shared":
switch platform {
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
return true
}
return false
case "plugin":
switch platform {
case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/s390x", "linux/ppc64le",
"android/amd64", "android/arm", "android/arm64", "android/386",
"darwin/amd64", "darwin/arm64",
"freebsd/amd64":
return true
}
return false
default:
return false
}
}
func InternalLinkPIESupported(goos, goarch string) bool {
switch goos + "/" + goarch {
case "darwin/amd64", "darwin/arm64",
"linux/amd64", "linux/arm64",
"android/arm64",
"windows-amd64", "windows-386", "windows-arm":
return true
}
return false
}
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