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cpu.go
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cpu.go
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package lmacho
import (
"debug/macho"
"fmt"
)
type SubCpu = uint32
type Cpu = macho.Cpu
func IsSupportedCpu(v string) bool {
_, ok := cpuNameSet[v]
return ok
}
func ToCpu(v string) (cpu Cpu, sub SubCpu, ok bool) {
cs, ok := cpuNameSet[v]
if ok {
return Cpu(cs.t), cs.s, true
}
return 0, 0, false
}
func ToCpuString(cpu Cpu, subCpu SubCpu) string {
maskedSub := (subCpu & ^MaskSubCpuType)
id := id(uint32(cpu), subCpu)
cs, ok := cpuIDSet[id]
if ok {
return cs.v
}
unknown := fmt.Sprintf("unknown(%d,%d)", cpu, maskedSub)
return unknown
}
func CpuNames() []string {
cpus := make([]string, len(cpuNames))
for i, c := range cpuNames {
cpus[i] = c.v
}
return cpus
}
type cpuName struct {
t uint32
s uint32
v string
}
var (
cpuNameSet = map[string]*cpuName{}
cpuIDSet = map[uint64]*cpuName{}
)
func init() {
for i := range cpuNames {
cpuNameSet[cpuNames[i].v] = &cpuNames[i]
id := id(cpuNames[i].t, cpuNames[i].s)
cpuIDSet[id] = &cpuNames[i]
}
}
func id(t, s uint32) uint64 {
s &= ^MaskSubCpuType
return (uint64(t) << 32) | uint64(s)
}
var cpuNames = []cpuName{
{t: uint32(TypeI386), s: SubTypeX86All, v: "i386"},
{t: uint32(TypeX86_64), s: SubTypeX86_64All, v: "x86_64"},
{t: uint32(TypeX86_64), s: SubTypeX86_64H, v: "x86_64h"},
// arm
{t: uint32(TypeArm), s: SubTypeArmAll, v: "arm"},
{t: uint32(TypeArm), s: SubTypeArmV4T, v: "armv4t"},
{t: uint32(TypeArm), s: SubTypeArmV6, v: "armv6"},
{t: uint32(TypeArm), s: SubTypeArmV7, v: "armv7"},
{t: uint32(TypeArm), s: SubTypeArmV7F, v: "armv7f"},
{t: uint32(TypeArm), s: SubTypeArmV7S, v: "armv7s"},
{t: uint32(TypeArm), s: SubTypeArmV7K, v: "armv7k"},
{t: uint32(TypeArm), s: SubTypeArmV6M, v: "armv6m"},
{t: uint32(TypeArm), s: SubTypeArmV7M, v: "armv7m"},
{t: uint32(TypeArm), s: SubTypeArmV7EM, v: "armv7em"},
{t: uint32(TypeArm), s: SubTypeArmV8M, v: "armv8m"},
// arm64
{t: uint32(TypeArm64), s: SubTypeArm64All, v: "arm64"},
{t: uint32(TypeArm64), s: SubTypeArm64E, v: "arm64e"},
{t: uint32(TypeArm64), s: SubTypeArm64V8, v: "arm64v8"},
// arm64_32
{t: uint32(TypeArm64_32), s: SubTypeArm64_32V8, v: "arm64_32"},
}
// /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/mach/machine.h
const cpuArch64 = 0x01000000
const cpuArch64_32 = 0x02000000
const (
// skip
TypeX86 Cpu = 7
TypeI386 Cpu = TypeX86
TypeX86_64 Cpu = TypeI386 | cpuArch64
// skip
TypeArm Cpu = 12
TypeArm64 Cpu = TypeArm | cpuArch64
TypeArm64_32 Cpu = TypeArm | cpuArch64_32
TypePpc Cpu = 18
CTypePpc64 Cpu = TypePpc | 64
// skip
)
const MaskSubCpuType SubCpu = 0xff000000
const (
SubTypeX86All SubCpu = 3
SubTypeX86_64All SubCpu = 3
SubTypeX86Arch1 SubCpu = 4
SubTypeX86_64H SubCpu = 8
)
const (
SubTypeArmAll SubCpu = 0
SubTypeArmV4T SubCpu = 5
SubTypeArmV6 SubCpu = 6
// skip
SubTypeArmV7 SubCpu = 9
SubTypeArmV7F SubCpu = 10
SubTypeArmV7S SubCpu = 11
SubTypeArmV7K SubCpu = 12
// skip
SubTypeArmV6M SubCpu = 14
SubTypeArmV7M SubCpu = 15
SubTypeArmV7EM SubCpu = 16
SubTypeArmV8M SubCpu = 17
)
const (
SubTypeArm64_32V8 SubCpu = 1
)
const (
SubTypeArm64All SubCpu = 0
SubTypeArm64V8 SubCpu = 1
SubTypeArm64E SubCpu = 2
)
func ToCpuValues(c Cpu, s SubCpu) (cpu string, sub string) {
var v string
switch c {
case TypeI386:
return "CPU_TYPE_I386", "CPU_SUBTYPE_I386_ALL"
case TypeX86_64:
v = "CPU_TYPE_X86_64"
switch s & ^MaskSubCpuType {
case SubTypeX86All:
return v, "CPU_SUBTYPE_X86_64_ALL"
case SubTypeX86_64H:
return v, "CPU_SUBTYPE_X86_64_H"
}
case TypeArm:
v = "CPU_TYPE_ARM"
switch s {
case SubTypeArmV4T:
return v, "CPU_SUBTYPE_ARM_V4T"
case SubTypeArmV6:
return v, "CPU_SUBTYPE_ARM_V6"
case SubTypeArmV6M:
return v, "CPU_SUBTYPE_ARM_V6M"
case SubTypeArmV7:
return v, "CPU_SUBTYPE_ARM_V7"
case SubTypeArmV7F:
return v, "CPU_SUBTYPE_ARM_V7F"
case SubTypeArmV7S:
return v, "CPU_SUBTYPE_ARM_V7S"
case SubTypeArmV7K:
return v, "CPU_SUBTYPE_ARM_V7K"
case SubTypeArmV7M:
return v, "CPU_SUBTYPE_ARM_V7M"
case SubTypeArmV7EM:
return v, "CPU_SUBTYPE_ARM_V7EM"
case SubTypeArmV8M:
return v, "CPU_SUBTYPE_ARM_V8M"
case SubTypeArmAll:
return v, "CPU_SUBTYPE_ARM_ALL"
}
case TypeArm64:
v = "CPU_TYPE_ARM64"
switch s & ^MaskSubCpuType {
case SubTypeArm64All:
return v, "CPU_SUBTYPE_ARM64_ALL"
case SubTypeArm64V8:
return v, "CPU_SUBTYPE_ARM64_V8"
case SubTypeArm64E:
return v, "CPU_SUBTYPE_ARM64E"
}
case TypeArm64_32:
v = "CPU_TYPE_ARM64_32"
switch s & ^MaskSubCpuType {
case SubTypeArm64_32V8:
return v, "CPU_SUBTYPE_ARM64_32_V8"
}
}
if v == "" {
v = fmt.Sprintf("%d", c)
}
return v, fmt.Sprintf("%d", s & ^MaskSubCpuType)
}