| // 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 misc/cgo/testsanitizers/cc_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 |
| } |