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authorWim <wim@42.be>2017-03-23 23:28:55 +0100
committerWim <wim@42.be>2017-03-23 23:28:55 +0100
commit2f68519b3c6b5a70028882c99afeb76f291b7725 (patch)
tree2555d0b8b81491f136a176a58e2618a25edc8edc /vendor/github.com/google/gops/internal/sys/arch.go
parentefe641f202653dfd3bc7bde221188e098db3def7 (diff)
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Add gops agentv0.10.2-dev
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-rw-r--r--vendor/github.com/google/gops/internal/sys/arch.go161
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
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+// 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,
+}