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author | Wim <wim@42.be> | 2017-03-23 23:28:55 +0100 |
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committer | Wim <wim@42.be> | 2017-03-23 23:28:55 +0100 |
commit | 2f68519b3c6b5a70028882c99afeb76f291b7725 (patch) | |
tree | 2555d0b8b81491f136a176a58e2618a25edc8edc /vendor/github.com/google/gops/internal/sys/arch.go | |
parent | efe641f202653dfd3bc7bde221188e098db3def7 (diff) | |
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Add gops agentv0.10.2-dev
Diffstat (limited to 'vendor/github.com/google/gops/internal/sys/arch.go')
-rw-r--r-- | vendor/github.com/google/gops/internal/sys/arch.go | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/vendor/github.com/google/gops/internal/sys/arch.go b/vendor/github.com/google/gops/internal/sys/arch.go new file mode 100644 index 00000000..7033f3fb --- /dev/null +++ b/vendor/github.com/google/gops/internal/sys/arch.go @@ -0,0 +1,161 @@ +// Copyright 2016 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 + +import "encoding/binary" + +// ArchFamily represents a family of one or more related architectures. +// For example, amd64 and amd64p32 are both members of the AMD64 family, +// and ppc64 and ppc64le are both members of the PPC64 family. +type ArchFamily byte + +const ( + AMD64 ArchFamily = iota + ARM + ARM64 + I386 + MIPS64 + PPC64 + S390X +) + +// Arch represents an individual architecture. +type Arch struct { + Name string + Family ArchFamily + + ByteOrder binary.ByteOrder + + IntSize int + PtrSize int + RegSize int + + // MinLC is the minimum length of an instruction code. + MinLC int +} + +// InFamily reports whether a is a member of any of the specified +// architecture families. +func (a *Arch) InFamily(xs ...ArchFamily) bool { + for _, x := range xs { + if a.Family == x { + return true + } + } + return false +} + +var Arch386 = &Arch{ + Name: "386", + Family: I386, + ByteOrder: binary.LittleEndian, + IntSize: 4, + PtrSize: 4, + RegSize: 4, + MinLC: 1, +} + +var ArchAMD64 = &Arch{ + Name: "amd64", + Family: AMD64, + ByteOrder: binary.LittleEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 1, +} + +var ArchAMD64P32 = &Arch{ + Name: "amd64p32", + Family: AMD64, + ByteOrder: binary.LittleEndian, + IntSize: 4, + PtrSize: 4, + RegSize: 8, + MinLC: 1, +} + +var ArchARM = &Arch{ + Name: "arm", + Family: ARM, + ByteOrder: binary.LittleEndian, + IntSize: 4, + PtrSize: 4, + RegSize: 4, + MinLC: 4, +} + +var ArchARM64 = &Arch{ + Name: "arm64", + Family: ARM64, + ByteOrder: binary.LittleEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 4, +} + +var ArchMIPS64 = &Arch{ + Name: "mips64", + Family: MIPS64, + ByteOrder: binary.BigEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 4, +} + +var ArchMIPS64LE = &Arch{ + Name: "mips64le", + Family: MIPS64, + ByteOrder: binary.LittleEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 4, +} + +var ArchPPC64 = &Arch{ + Name: "ppc64", + Family: PPC64, + ByteOrder: binary.BigEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 4, +} + +var ArchPPC64LE = &Arch{ + Name: "ppc64le", + Family: PPC64, + ByteOrder: binary.LittleEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 4, +} + +var ArchS390X = &Arch{ + Name: "s390x", + Family: S390X, + ByteOrder: binary.BigEndian, + IntSize: 8, + PtrSize: 8, + RegSize: 8, + MinLC: 2, +} + +var Archs = [...]*Arch{ + Arch386, + ArchAMD64, + ArchAMD64P32, + ArchARM, + ArchARM64, + ArchMIPS64, + ArchMIPS64LE, + ArchPPC64, + ArchPPC64LE, + ArchS390X, +} |