supported.go

Documentation: github.com/twitchyliquid64/golang-asm/sys

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package sys
     6  
     7  // RaceDetectorSupported reports whether goos/goarch supports the race
     8  // detector. There is a copy of this function in cmd/dist/test.go.
     9  // Race detector only supports 48-bit VMA on arm64. But it will always
    10  // return true for arm64, because we don't have VMA size information during
    11  // the compile time.
    12  func RaceDetectorSupported(goos, goarch string) bool {
    13  	switch goos {
    14  	case "linux":
    15  		return goarch == "amd64" || goarch == "ppc64le" || goarch == "arm64"
    16  	case "darwin", "freebsd", "netbsd", "windows":
    17  		return goarch == "amd64"
    18  	default:
    19  		return false
    20  	}
    21  }
    22  
    23  // MSanSupported reports whether goos/goarch supports the memory
    24  // sanitizer option. There is a copy of this function in cmd/dist/test.go.
    25  func MSanSupported(goos, goarch string) bool {
    26  	switch goos {
    27  	case "linux":
    28  		return goarch == "amd64" || goarch == "arm64"
    29  	default:
    30  		return false
    31  	}
    32  }
    33  
    34  // MustLinkExternal reports whether goos/goarch requires external linking.
    35  func MustLinkExternal(goos, goarch string) bool {
    36  	switch goos {
    37  	case "android":
    38  		if goarch != "arm64" {
    39  			return true
    40  		}
    41  	case "darwin":
    42  		if goarch == "arm64" {
    43  			return true
    44  		}
    45  	}
    46  	return false
    47  }
    48  
    49  // BuildModeSupported reports whether goos/goarch supports the given build mode
    50  // using the given compiler.
    51  func BuildModeSupported(compiler, buildmode, goos, goarch string) bool {
    52  	if compiler == "gccgo" {
    53  		return true
    54  	}
    55  
    56  	platform := goos + "/" + goarch
    57  
    58  	switch buildmode {
    59  	case "archive":
    60  		return true
    61  
    62  	case "c-archive":
    63  		// TODO(bcmills): This seems dubious.
    64  		// Do we really support c-archive mode on js/wasm‽
    65  		return platform != "linux/ppc64"
    66  
    67  	case "c-shared":
    68  		switch platform {
    69  		case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/ppc64le", "linux/s390x",
    70  			"android/amd64", "android/arm", "android/arm64", "android/386",
    71  			"freebsd/amd64",
    72  			"darwin/amd64",
    73  			"windows/amd64", "windows/386":
    74  			return true
    75  		}
    76  		return false
    77  
    78  	case "default":
    79  		return true
    80  
    81  	case "exe":
    82  		return true
    83  
    84  	case "pie":
    85  		switch platform {
    86  		case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x",
    87  			"android/amd64", "android/arm", "android/arm64", "android/386",
    88  			"freebsd/amd64",
    89  			"darwin/amd64",
    90  			"aix/ppc64",
    91  			"windows/386", "windows/amd64", "windows/arm":
    92  			return true
    93  		}
    94  		return false
    95  
    96  	case "shared":
    97  		switch platform {
    98  		case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
    99  			return true
   100  		}
   101  		return false
   102  
   103  	case "plugin":
   104  		switch platform {
   105  		case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/s390x", "linux/ppc64le",
   106  			"android/amd64", "android/arm", "android/arm64", "android/386",
   107  			"darwin/amd64",
   108  			"freebsd/amd64":
   109  			return true
   110  		}
   111  		return false
   112  
   113  	default:
   114  		return false
   115  	}
   116  }
   117
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