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-rw-r--r--sys/targets/targets.go139
1 files changed, 83 insertions, 56 deletions
diff --git a/sys/targets/targets.go b/sys/targets/targets.go
index 28ee5b376..ff218aa6c 100644
--- a/sys/targets/targets.go
+++ b/sys/targets/targets.go
@@ -78,6 +78,31 @@ type osCommon struct {
cflags []string
}
+const (
+ Akaros = "akaros"
+ FreeBSD = "freebsd"
+ Fuchsia = "fuchsia"
+ Linux = "linux"
+ NetBSD = "netbsd"
+ OpenBSD = "openbsd"
+ TestOS = "test"
+ Trusty = "trusty"
+ Windows = "windows"
+
+ AMD64 = "amd64"
+ ARM64 = "arm64"
+ ARM = "arm"
+ I386 = "386"
+ MIPS64LE = "mips64le"
+ PPC64LE = "ppc64le"
+ S390x = "s390x"
+ RiscV64 = "riscv64"
+ TestArch64 = "64"
+ TestArch64Fork = "64_fork"
+ TestArch32Shmem = "32_shmem"
+ TestArch32ForkShmem = "32_fork_shmem"
+)
+
func Get(OS, arch string) *Target {
return GetEx(OS, arch, useClang)
}
@@ -103,8 +128,8 @@ func GetEx(OS, arch string, clang bool) *Target {
// nolint: lll
var List = map[string]map[string]*Target{
- "test": {
- "64": {
+ TestOS: {
+ TestArch64: {
PtrSize: 8,
PageSize: 4 << 10,
// Compile with -no-pie due to issues with ASan + ASLR on ppc64le.
@@ -116,7 +141,7 @@ var List = map[string]map[string]*Target{
ExecutorUsesForkServer: false,
},
},
- "64_fork": {
+ TestArch64Fork: {
PtrSize: 8,
PageSize: 8 << 10,
// Compile with -no-pie due to issues with ASan + ASLR on ppc64le.
@@ -128,7 +153,7 @@ var List = map[string]map[string]*Target{
ExecutorUsesForkServer: true,
},
},
- "32_shmem": {
+ TestArch32Shmem: {
PtrSize: 4,
PageSize: 8 << 10,
Int64Alignment: 4,
@@ -141,7 +166,7 @@ var List = map[string]map[string]*Target{
ExecutorUsesForkServer: false,
},
},
- "32_fork_shmem": {
+ TestArch32ForkShmem: {
PtrSize: 4,
PageSize: 4 << 10,
CFlags: []string{"-m32", "-static"},
@@ -155,8 +180,8 @@ var List = map[string]map[string]*Target{
},
},
},
- "linux": {
- "amd64": {
+ Linux: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -170,8 +195,8 @@ var List = map[string]map[string]*Target{
return nr >= 313
},
},
- "386": {
- VMArch: "amd64",
+ I386: {
+ VMArch: AMD64,
PtrSize: 4,
PageSize: 4 << 10,
Int64Alignment: 4,
@@ -181,7 +206,7 @@ var List = map[string]map[string]*Target{
KernelArch: "i386",
KernelHeaderArch: "x86",
},
- "arm64": {
+ ARM64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -189,8 +214,8 @@ var List = map[string]map[string]*Target{
KernelArch: "arm64",
KernelHeaderArch: "arm64",
},
- "arm": {
- VMArch: "arm64",
+ ARM: {
+ VMArch: ARM64,
PtrSize: 4,
PageSize: 4 << 10,
LittleEndian: true,
@@ -199,8 +224,7 @@ var List = map[string]map[string]*Target{
KernelArch: "arm",
KernelHeaderArch: "arm",
},
- "mips64le": {
- VMArch: "mips64le",
+ MIPS64LE: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -209,7 +233,7 @@ var List = map[string]map[string]*Target{
KernelArch: "mips",
KernelHeaderArch: "mips",
},
- "ppc64le": {
+ PPC64LE: {
PtrSize: 8,
PageSize: 64 << 10,
LittleEndian: true,
@@ -218,7 +242,7 @@ var List = map[string]map[string]*Target{
KernelArch: "powerpc",
KernelHeaderArch: "powerpc",
},
- "s390x": {
+ S390x: {
PtrSize: 8,
PageSize: 4 << 10,
DataOffset: 0xfffff000,
@@ -234,7 +258,7 @@ var List = map[string]map[string]*Target{
"mmap": "mmap",
},
},
- "riscv64": {
+ RiscV64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -243,8 +267,8 @@ var List = map[string]map[string]*Target{
KernelHeaderArch: "riscv",
},
},
- "freebsd": {
- "amd64": {
+ FreeBSD: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -252,8 +276,8 @@ var List = map[string]map[string]*Target{
CFlags: []string{"-m64"},
NeedSyscallDefine: dontNeedSyscallDefine,
},
- "386": {
- VMArch: "amd64",
+ I386: {
+ VMArch: AMD64,
PtrSize: 4,
PageSize: 4 << 10,
// The default DataOffset doesn't work with 32-bit
@@ -266,8 +290,8 @@ var List = map[string]map[string]*Target{
NeedSyscallDefine: dontNeedSyscallDefine,
},
},
- "netbsd": {
- "amd64": {
+ NetBSD: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -279,8 +303,8 @@ var List = map[string]map[string]*Target{
CCompiler: sourceDirVar + "/tools/bin/x86_64--netbsd-g++",
},
},
- "openbsd": {
- "amd64": {
+ OpenBSD: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -313,8 +337,8 @@ var List = map[string]map[string]*Target{
},
},
},
- "fuchsia": {
- "amd64": {
+ Fuchsia: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -323,26 +347,26 @@ var List = map[string]map[string]*Target{
Objdump: sourceDirVar + "/prebuilt/third_party/clang/linux-x64/bin/llvm-objdump",
CFlags: fuchsiaCFlags("x64", "x86_64"),
},
- "arm64": {
+ ARM64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
- KernelHeaderArch: "arm64",
+ KernelHeaderArch: ARM64,
CCompiler: sourceDirVar + "/prebuilt/third_party/clang/linux-x64/bin/clang",
Objdump: sourceDirVar + "/prebuilt/third_party/clang/linux-x64/bin/llvm-objdump",
- CFlags: fuchsiaCFlags("arm64", "aarch64"),
+ CFlags: fuchsiaCFlags(ARM64, "aarch64"),
},
},
- "windows": {
- "amd64": {
+ Windows: {
+ AMD64: {
PtrSize: 8,
// TODO(dvyukov): what should we do about 4k vs 64k?
PageSize: 4 << 10,
LittleEndian: true,
},
},
- "akaros": {
- "amd64": {
+ Akaros: {
+ AMD64: {
PtrSize: 8,
PageSize: 4 << 10,
LittleEndian: true,
@@ -354,8 +378,8 @@ var List = map[string]map[string]*Target{
},
},
},
- "trusty": {
- "arm": {
+ Trusty: {
+ ARM: {
PtrSize: 4,
PageSize: 4 << 10,
LittleEndian: true,
@@ -365,7 +389,7 @@ var List = map[string]map[string]*Target{
}
var oses = map[string]osCommon{
- "linux": {
+ Linux: {
SyscallNumbers: true,
SyscallPrefix: "__NR_",
ExecutorUsesShmem: true,
@@ -373,7 +397,7 @@ var oses = map[string]osCommon{
KernelObject: "vmlinux",
cflags: []string{"-static"},
},
- "freebsd": {
+ FreeBSD: {
SyscallNumbers: true,
Int64SyscallArgs: true,
SyscallPrefix: "SYS_",
@@ -383,15 +407,15 @@ var oses = map[string]osCommon{
CPP: "g++",
cflags: []string{"-static", "-lc++"},
},
- "netbsd": {
- BuildOS: "linux",
+ NetBSD: {
+ BuildOS: Linux,
SyscallNumbers: true,
SyscallPrefix: "SYS_",
ExecutorUsesShmem: true,
ExecutorUsesForkServer: true,
KernelObject: "netbsd.gdb",
},
- "openbsd": {
+ OpenBSD: {
SyscallNumbers: true,
SyscallPrefix: "SYS_",
ExecutorUsesShmem: true,
@@ -399,8 +423,8 @@ var oses = map[string]osCommon{
KernelObject: "bsd.gdb",
CPP: "ecpp",
},
- "fuchsia": {
- BuildOS: "linux",
+ Fuchsia: {
+ BuildOS: Linux,
SyscallNumbers: false,
ExecutorUsesShmem: false,
ExecutorUsesForkServer: false,
@@ -408,15 +432,15 @@ var oses = map[string]osCommon{
SyzExecutorCmd: "syz-executor",
KernelObject: "zircon.elf",
},
- "windows": {
+ Windows: {
SyscallNumbers: false,
ExecutorUsesShmem: false,
ExecutorUsesForkServer: false,
ExeExtension: ".exe",
KernelObject: "vmlinux",
},
- "akaros": {
- BuildOS: "linux",
+ Akaros: {
+ BuildOS: Linux,
SyscallNumbers: true,
SyscallPrefix: "SYS_",
ExecutorUsesShmem: false,
@@ -424,7 +448,7 @@ var oses = map[string]osCommon{
HostFuzzer: true,
KernelObject: "akaros-kernel-64b",
},
- "trusty": {
+ Trusty: {
SyscallNumbers: true,
Int64SyscallArgs: true,
SyscallPrefix: "__NR_",
@@ -479,14 +503,14 @@ func init() {
goarch := runtime.GOARCH
goos := runtime.GOOS
if goos == "android" {
- goos = "linux"
+ goos = Linux
}
- for _, target := range List["test"] {
+ for _, target := range List[TestOS] {
if List[goos] != nil {
if host := List[goos][goarch]; host != nil {
target.CCompiler = host.CCompiler
target.CPP = host.CPP
- if goos == "freebsd" {
+ if goos == FreeBSD {
// For some configurations -no-pie is passed to the compiler,
// which is not used by clang.
// Ensure clang does not complain about it.
@@ -498,18 +522,18 @@ func init() {
// In ESA/390 mode, the CPU is able to address only 31bit of memory but
// arithmetic operations are still 32bit
// Fix cflags by replacing compiler's -m32 option with -m31
- if goarch == "s390x" {
+ if goarch == S390x {
for i := range target.CFlags {
target.CFlags[i] = strings.Replace(target.CFlags[i], "-m32", "-m31", -1)
}
}
}
- if target.PtrSize == 4 && goos == "freebsd" && goarch == "amd64" {
+ if target.PtrSize == 4 && goos == FreeBSD && goarch == AMD64 {
// A hack to let 32-bit "test" target tests run on FreeBSD:
// freebsd/386 requires a non-default DataOffset to avoid
// clobbering mappings created by the C runtime. Since that is the
// only target with this constraint, just special-case it for now.
- target.DataOffset = List[goos]["386"].DataOffset
+ target.DataOffset = List[goos][I386].DataOffset
}
}
target.BuildOS = goos
@@ -524,6 +548,9 @@ func initTarget(target *Target, OS, arch string) {
target.initOther = new(sync.Once)
target.OS = OS
target.Arch = arch
+ if target.KernelArch == "" {
+ target.KernelArch = target.Arch
+ }
if target.NeedSyscallDefine == nil {
target.NeedSyscallDefine = needSyscallDefine
}
@@ -543,7 +570,7 @@ func initTarget(target *Target, OS, arch string) {
for i := range target.CFlags {
target.replaceSourceDir(&target.CFlags[i], sourceDir)
}
- if OS == "linux" && arch == runtime.GOARCH {
+ if OS == Linux && arch == runtime.GOARCH {
// Don't use cross-compiler for native compilation, there are cases when this does not work:
// https://github.com/google/syzkaller/pull/619
// https://github.com/google/syzkaller/issues/387
@@ -573,8 +600,8 @@ func initTarget(target *Target, OS, arch string) {
for _, flags := range [][]string{commonCFlags, target.osCommon.cflags} {
target.CFlags = append(target.CFlags, flags...)
}
- if OS == "test" {
- if runtime.GOARCH != "s390x" {
+ if OS == TestOS {
+ if runtime.GOARCH != S390x {
target.LittleEndian = true
} else {
target.LittleEndian = false
generated by ggit (джигит) mrf-deployment (git 2.46.0) at 2026-03-11 23:01:24 +0000