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https://github.com/superseriousbusiness/gotosocial
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[chore] Update gin to v1.9.0 (#1553)
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187
vendor/github.com/twitchyliquid64/golang-asm/sys/arch.go
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187
vendor/github.com/twitchyliquid64/golang-asm/sys/arch.go
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package sys
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import "encoding/binary"
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// ArchFamily represents a family of one or more related architectures.
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// For example, ppc64 and ppc64le are both members of the PPC64 family.
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type ArchFamily byte
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const (
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NoArch ArchFamily = iota
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AMD64
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ARM
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ARM64
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I386
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MIPS
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MIPS64
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PPC64
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RISCV64
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S390X
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Wasm
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)
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// Arch represents an individual architecture.
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type Arch struct {
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Name string
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Family ArchFamily
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ByteOrder binary.ByteOrder
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// PtrSize is the size in bytes of pointers and the
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// predeclared "int", "uint", and "uintptr" types.
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PtrSize int
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// RegSize is the size in bytes of general purpose registers.
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RegSize int
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// MinLC is the minimum length of an instruction code.
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MinLC int
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}
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// InFamily reports whether a is a member of any of the specified
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// architecture families.
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func (a *Arch) InFamily(xs ...ArchFamily) bool {
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for _, x := range xs {
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if a.Family == x {
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return true
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}
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}
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return false
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}
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var Arch386 = &Arch{
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Name: "386",
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Family: I386,
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ByteOrder: binary.LittleEndian,
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PtrSize: 4,
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RegSize: 4,
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MinLC: 1,
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}
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var ArchAMD64 = &Arch{
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Name: "amd64",
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Family: AMD64,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 1,
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}
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var ArchARM = &Arch{
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Name: "arm",
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Family: ARM,
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ByteOrder: binary.LittleEndian,
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PtrSize: 4,
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RegSize: 4,
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MinLC: 4,
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}
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var ArchARM64 = &Arch{
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Name: "arm64",
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Family: ARM64,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchMIPS = &Arch{
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Name: "mips",
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Family: MIPS,
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ByteOrder: binary.BigEndian,
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PtrSize: 4,
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RegSize: 4,
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MinLC: 4,
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}
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var ArchMIPSLE = &Arch{
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Name: "mipsle",
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Family: MIPS,
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ByteOrder: binary.LittleEndian,
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PtrSize: 4,
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RegSize: 4,
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MinLC: 4,
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}
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var ArchMIPS64 = &Arch{
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Name: "mips64",
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Family: MIPS64,
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ByteOrder: binary.BigEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchMIPS64LE = &Arch{
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Name: "mips64le",
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Family: MIPS64,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchPPC64 = &Arch{
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Name: "ppc64",
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Family: PPC64,
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ByteOrder: binary.BigEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchPPC64LE = &Arch{
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Name: "ppc64le",
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Family: PPC64,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchRISCV64 = &Arch{
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Name: "riscv64",
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Family: RISCV64,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 4,
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}
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var ArchS390X = &Arch{
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Name: "s390x",
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Family: S390X,
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ByteOrder: binary.BigEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 2,
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}
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var ArchWasm = &Arch{
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Name: "wasm",
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Family: Wasm,
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ByteOrder: binary.LittleEndian,
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PtrSize: 8,
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RegSize: 8,
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MinLC: 1,
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}
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var Archs = [...]*Arch{
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Arch386,
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ArchAMD64,
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ArchARM,
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ArchARM64,
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ArchMIPS,
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ArchMIPSLE,
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ArchMIPS64,
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ArchMIPS64LE,
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ArchPPC64,
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ArchPPC64LE,
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ArchRISCV64,
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ArchS390X,
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ArchWasm,
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}
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116
vendor/github.com/twitchyliquid64/golang-asm/sys/supported.go
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116
vendor/github.com/twitchyliquid64/golang-asm/sys/supported.go
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@ -0,0 +1,116 @@
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package sys
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// RaceDetectorSupported reports whether goos/goarch supports the race
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// detector. There is a copy of this function in cmd/dist/test.go.
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// Race detector only supports 48-bit VMA on arm64. But it will always
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// return true for arm64, because we don't have VMA size information during
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// the compile time.
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func RaceDetectorSupported(goos, goarch string) bool {
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switch goos {
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case "linux":
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return goarch == "amd64" || goarch == "ppc64le" || goarch == "arm64"
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case "darwin", "freebsd", "netbsd", "windows":
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return goarch == "amd64"
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default:
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return false
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}
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}
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// MSanSupported reports whether goos/goarch supports the memory
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// sanitizer option. There is a copy of this function in cmd/dist/test.go.
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func MSanSupported(goos, goarch string) bool {
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switch goos {
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case "linux":
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return goarch == "amd64" || goarch == "arm64"
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default:
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return false
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}
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}
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// MustLinkExternal reports whether goos/goarch requires external linking.
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func MustLinkExternal(goos, goarch string) bool {
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switch goos {
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case "android":
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if goarch != "arm64" {
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return true
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}
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case "darwin":
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if goarch == "arm64" {
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return true
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}
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}
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return false
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}
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// BuildModeSupported reports whether goos/goarch supports the given build mode
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// using the given compiler.
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func BuildModeSupported(compiler, buildmode, goos, goarch string) bool {
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if compiler == "gccgo" {
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return true
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}
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platform := goos + "/" + goarch
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switch buildmode {
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case "archive":
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return true
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case "c-archive":
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// TODO(bcmills): This seems dubious.
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// Do we really support c-archive mode on js/wasm‽
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return platform != "linux/ppc64"
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case "c-shared":
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switch platform {
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case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/ppc64le", "linux/s390x",
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"android/amd64", "android/arm", "android/arm64", "android/386",
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"freebsd/amd64",
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"darwin/amd64",
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"windows/amd64", "windows/386":
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return true
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}
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return false
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case "default":
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return true
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case "exe":
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return true
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case "pie":
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switch platform {
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x",
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"android/amd64", "android/arm", "android/arm64", "android/386",
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"freebsd/amd64",
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"darwin/amd64",
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"aix/ppc64",
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"windows/386", "windows/amd64", "windows/arm":
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return true
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}
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return false
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case "shared":
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switch platform {
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
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return true
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}
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return false
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case "plugin":
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switch platform {
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case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/s390x", "linux/ppc64le",
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"android/amd64", "android/arm", "android/arm64", "android/386",
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"darwin/amd64",
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"freebsd/amd64":
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return true
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}
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return false
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default:
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return false
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}
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}
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