mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-25 05:06:38 +00:00
188 lines
3.1 KiB
Go
188 lines
3.1 KiB
Go
|
// 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, ppc64 and ppc64le are both members of the PPC64 family.
|
||
|
type ArchFamily byte
|
||
|
|
||
|
const (
|
||
|
NoArch ArchFamily = iota
|
||
|
AMD64
|
||
|
ARM
|
||
|
ARM64
|
||
|
I386
|
||
|
MIPS
|
||
|
MIPS64
|
||
|
PPC64
|
||
|
RISCV64
|
||
|
S390X
|
||
|
Wasm
|
||
|
)
|
||
|
|
||
|
// Arch represents an individual architecture.
|
||
|
type Arch struct {
|
||
|
Name string
|
||
|
Family ArchFamily
|
||
|
|
||
|
ByteOrder binary.ByteOrder
|
||
|
|
||
|
// PtrSize is the size in bytes of pointers and the
|
||
|
// predeclared "int", "uint", and "uintptr" types.
|
||
|
PtrSize int
|
||
|
|
||
|
// RegSize is the size in bytes of general purpose registers.
|
||
|
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,
|
||
|
PtrSize: 4,
|
||
|
RegSize: 4,
|
||
|
MinLC: 1,
|
||
|
}
|
||
|
|
||
|
var ArchAMD64 = &Arch{
|
||
|
Name: "amd64",
|
||
|
Family: AMD64,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 1,
|
||
|
}
|
||
|
|
||
|
var ArchARM = &Arch{
|
||
|
Name: "arm",
|
||
|
Family: ARM,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 4,
|
||
|
RegSize: 4,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchARM64 = &Arch{
|
||
|
Name: "arm64",
|
||
|
Family: ARM64,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchMIPS = &Arch{
|
||
|
Name: "mips",
|
||
|
Family: MIPS,
|
||
|
ByteOrder: binary.BigEndian,
|
||
|
PtrSize: 4,
|
||
|
RegSize: 4,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchMIPSLE = &Arch{
|
||
|
Name: "mipsle",
|
||
|
Family: MIPS,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 4,
|
||
|
RegSize: 4,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchMIPS64 = &Arch{
|
||
|
Name: "mips64",
|
||
|
Family: MIPS64,
|
||
|
ByteOrder: binary.BigEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchMIPS64LE = &Arch{
|
||
|
Name: "mips64le",
|
||
|
Family: MIPS64,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchPPC64 = &Arch{
|
||
|
Name: "ppc64",
|
||
|
Family: PPC64,
|
||
|
ByteOrder: binary.BigEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchPPC64LE = &Arch{
|
||
|
Name: "ppc64le",
|
||
|
Family: PPC64,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchRISCV64 = &Arch{
|
||
|
Name: "riscv64",
|
||
|
Family: RISCV64,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 4,
|
||
|
}
|
||
|
|
||
|
var ArchS390X = &Arch{
|
||
|
Name: "s390x",
|
||
|
Family: S390X,
|
||
|
ByteOrder: binary.BigEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 2,
|
||
|
}
|
||
|
|
||
|
var ArchWasm = &Arch{
|
||
|
Name: "wasm",
|
||
|
Family: Wasm,
|
||
|
ByteOrder: binary.LittleEndian,
|
||
|
PtrSize: 8,
|
||
|
RegSize: 8,
|
||
|
MinLC: 1,
|
||
|
}
|
||
|
|
||
|
var Archs = [...]*Arch{
|
||
|
Arch386,
|
||
|
ArchAMD64,
|
||
|
ArchARM,
|
||
|
ArchARM64,
|
||
|
ArchMIPS,
|
||
|
ArchMIPSLE,
|
||
|
ArchMIPS64,
|
||
|
ArchMIPS64LE,
|
||
|
ArchPPC64,
|
||
|
ArchPPC64LE,
|
||
|
ArchRISCV64,
|
||
|
ArchS390X,
|
||
|
ArchWasm,
|
||
|
}
|