How to use InitTarget method of akaros Package

Best Syzkaller code snippet using akaros.InitTarget

targets.go

Source:targets.go Github

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1// Copyright 2017 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package targets4import (5 "os"6 "os/exec"7 "runtime"8 "strings"9 "sync"10)11type Target struct {12 init sync.Once13 osCommon14 OS string15 Arch string16 VMArch string // e.g. amd64 for 386, or arm64 for arm17 PtrSize uint6418 PageSize uint6419 NumPages uint6420 DataOffset uint6421 CFlags []string22 CrossCFlags []string23 CCompilerPrefix string24 CCompiler string25 KernelArch string26 KernelHeaderArch string27 // NeedSyscallDefine is used by csource package to decide when to emit __NR_* defines.28 NeedSyscallDefine func(nr uint64) bool29}30type osCommon struct {31 // Does the OS use syscall numbers (e.g. Linux) or has interface based on functions (e.g. fuchsia).32 SyscallNumbers bool33 // E.g. "__NR_" or "SYS_".34 SyscallPrefix string35 // ipc<->executor communication tuning.36 // If ExecutorUsesShmem, programs and coverage are passed through shmem, otherwise via pipes.37 ExecutorUsesShmem bool38 // If ExecutorUsesForkServer, executor uses extended protocol with handshake.39 ExecutorUsesForkServer bool40 // Extension of executable files (notably, .exe for windows).41 ExeExtension string42}43func Get(OS, arch string) *Target {44 target := List[OS][arch]45 if target == nil {46 return nil47 }48 target.init.Do(func() {49 checkStaticBuild(target)50 })51 return target52}53// nolint: lll54var List = map[string]map[string]*Target{55 "test": {56 "64": {57 PtrSize: 8,58 PageSize: 4 << 10,59 CFlags: []string{"-m64"},60 CrossCFlags: []string{"-m64", "-static"},61 osCommon: osCommon{62 SyscallNumbers: true,63 SyscallPrefix: "SYS_",64 ExecutorUsesShmem: false,65 ExecutorUsesForkServer: false,66 },67 },68 "64_fork": {69 PtrSize: 8,70 PageSize: 8 << 10,71 CFlags: []string{"-m64"},72 CrossCFlags: []string{"-m64", "-static"},73 osCommon: osCommon{74 SyscallNumbers: true,75 SyscallPrefix: "SYS_",76 ExecutorUsesShmem: false,77 ExecutorUsesForkServer: true,78 },79 },80 "32_shmem": {81 PtrSize: 4,82 PageSize: 8 << 10,83 CFlags: []string{"-m32"},84 CrossCFlags: []string{"-m32", "-static"},85 osCommon: osCommon{86 SyscallNumbers: true,87 SyscallPrefix: "SYS_",88 ExecutorUsesShmem: true,89 ExecutorUsesForkServer: false,90 },91 },92 "32_fork_shmem": {93 PtrSize: 4,94 PageSize: 4 << 10,95 CFlags: []string{"-m32"},96 CrossCFlags: []string{"-m32", "-static"},97 osCommon: osCommon{98 SyscallNumbers: true,99 SyscallPrefix: "SYS_",100 ExecutorUsesShmem: true,101 ExecutorUsesForkServer: true,102 },103 },104 },105 "linux": {106 "amd64": {107 PtrSize: 8,108 PageSize: 4 << 10,109 CFlags: []string{"-m64"},110 CrossCFlags: []string{"-m64", "-static"},111 CCompilerPrefix: "x86_64-linux-gnu-",112 KernelArch: "x86_64",113 KernelHeaderArch: "x86",114 NeedSyscallDefine: func(nr uint64) bool {115 // Only generate defines for new syscalls116 // (added after commit 8a1ab3155c2ac on 2012-10-04).117 return nr >= 313118 },119 },120 "386": {121 VMArch: "amd64",122 PtrSize: 4,123 PageSize: 4 << 10,124 CFlags: []string{"-m32"},125 CrossCFlags: []string{"-m32", "-static"},126 CCompilerPrefix: "x86_64-linux-gnu-",127 KernelArch: "i386",128 KernelHeaderArch: "x86",129 },130 "arm64": {131 PtrSize: 8,132 PageSize: 4 << 10,133 CrossCFlags: []string{"-static"},134 CCompilerPrefix: "aarch64-linux-gnu-",135 KernelArch: "arm64",136 KernelHeaderArch: "arm64",137 },138 "arm": {139 VMArch: "arm64",140 PtrSize: 4,141 PageSize: 4 << 10,142 CFlags: []string{"-D__LINUX_ARM_ARCH__=6", "-m32", "-D__ARM_EABI__"},143 CrossCFlags: []string{"-D__LINUX_ARM_ARCH__=6", "-march=armv6t2", "-static"},144 CCompilerPrefix: "arm-linux-gnueabihf-",145 KernelArch: "arm",146 KernelHeaderArch: "arm",147 },148 "ppc64le": {149 PtrSize: 8,150 PageSize: 4 << 10,151 CFlags: []string{"-D__powerpc64__"},152 CrossCFlags: []string{"-D__powerpc64__", "-static"},153 CCompilerPrefix: "powerpc64le-linux-gnu-",154 KernelArch: "powerpc",155 KernelHeaderArch: "powerpc",156 },157 },158 "freebsd": {159 "amd64": {160 PtrSize: 8,161 PageSize: 4 << 10,162 CFlags: []string{"-m64"},163 CrossCFlags: []string{"-m64", "-static"},164 },165 },166 "netbsd": {167 "amd64": {168 PtrSize: 8,169 PageSize: 4 << 10,170 CFlags: []string{"-m64"},171 CrossCFlags: []string{"-m64", "-static"},172 },173 },174 "fuchsia": {175 "amd64": {176 PtrSize: 8,177 PageSize: 4 << 10,178 KernelHeaderArch: "x64",179 CCompiler: os.ExpandEnv("${SOURCEDIR}/buildtools/linux-x64/clang/bin/clang++"),180 CrossCFlags: []string{181 "-Wno-deprecated",182 "-Wno-error",183 "--target=x86_64-fuchsia",184 "-lfdio",185 "-lzircon",186 "-ldriver",187 "--sysroot", os.ExpandEnv("${SOURCEDIR}/out/build-zircon/build-x64/sysroot"),188 "-L", os.ExpandEnv("${SOURCEDIR}/out/x64/x64-shared"),189 "-L", os.ExpandEnv("${SOURCEDIR}/out/x64/sdks/zircon_sysroot/arch/x64/sysroot/lib"),190 "-L", os.ExpandEnv("${SOURCEDIR}/out/build-zircon/build-x64/system/ulib/driver"),191 },192 },193 "arm64": {194 PtrSize: 8,195 PageSize: 4 << 10,196 KernelHeaderArch: "arm64",197 CCompiler: os.ExpandEnv("${SOURCEDIR}/buildtools/linux-x64/clang/bin/clang++"),198 CrossCFlags: []string{199 "-Wno-deprecated",200 "-Wno-error",201 "--target=aarch64-fuchsia",202 "-lfdio",203 "-lzircon",204 "-ldriver",205 "--sysroot", os.ExpandEnv("${SOURCEDIR}/out/build-zircon/build-arm64/sysroot"),206 "-L", os.ExpandEnv("${SOURCEDIR}/out/arm64/arm64-shared"),207 "-L", os.ExpandEnv("${SOURCEDIR}/out/arm64/sdks/zircon_sysroot/arch/arm64/sysroot/lib"),208 "-L", os.ExpandEnv("${SOURCEDIR}/out/build-zircon/build-arm64/system/ulib/driver"),209 },210 },211 },212 "windows": {213 "amd64": {214 PtrSize: 8,215 // TODO(dvyukov): what should we do about 4k vs 64k?216 PageSize: 4 << 10,217 },218 },219 "akaros": {220 "amd64": {221 PtrSize: 8,222 PageSize: 4 << 10,223 KernelHeaderArch: "x86",224 NeedSyscallDefine: dontNeedSyscallDefine,225 CCompiler: os.ExpandEnv("${SOURCEDIR}/toolchain/x86_64-ucb-akaros-gcc/bin/x86_64-ucb-akaros-g++"),226 CrossCFlags: []string{227 "-static",228 },229 },230 },231}232var oses = map[string]osCommon{233 "linux": {234 SyscallNumbers: true,235 SyscallPrefix: "__NR_",236 ExecutorUsesShmem: true,237 ExecutorUsesForkServer: true,238 },239 "freebsd": {240 SyscallNumbers: true,241 SyscallPrefix: "SYS_",242 ExecutorUsesShmem: true,243 ExecutorUsesForkServer: true,244 },245 "netbsd": {246 SyscallNumbers: true,247 SyscallPrefix: "SYS_",248 ExecutorUsesShmem: true,249 ExecutorUsesForkServer: true,250 },251 "fuchsia": {252 SyscallNumbers: false,253 ExecutorUsesShmem: false,254 ExecutorUsesForkServer: false,255 },256 "windows": {257 SyscallNumbers: false,258 ExecutorUsesShmem: false,259 ExecutorUsesForkServer: false,260 ExeExtension: ".exe",261 },262 "akaros": {263 SyscallNumbers: true,264 SyscallPrefix: "SYS_",265 ExecutorUsesShmem: false,266 ExecutorUsesForkServer: true,267 },268}269func init() {270 for OS, archs := range List {271 for arch, target := range archs {272 initTarget(target, OS, arch)273 }274 }275}276func initTarget(target *Target, OS, arch string) {277 if common, ok := oses[OS]; ok {278 target.osCommon = common279 }280 target.OS = OS281 target.Arch = arch282 if target.NeedSyscallDefine == nil {283 target.NeedSyscallDefine = needSyscallDefine284 }285 target.DataOffset = 512 << 20286 target.NumPages = (16 << 20) / target.PageSize287 if OS == runtime.GOOS && arch == runtime.GOARCH {288 // Don't use cross-compiler for native compilation, there are cases when this does not work:289 // https://github.com/google/syzkaller/pull/619290 // https://github.com/google/syzkaller/issues/387291 // https://github.com/google/syzkaller/commit/06db3cec94c54e1cf720cdd5db72761514569d56292 target.CCompilerPrefix = ""293 }294 if target.CCompiler == "" {295 target.CCompiler = target.CCompilerPrefix + "gcc"296 }297}298func checkStaticBuild(target *Target) {299 for i, flag := range target.CrossCFlags {300 if flag == "-static" {301 // Some distributions don't have static libraries.302 if !supportsStatic(target) {303 copy(target.CrossCFlags[i:], target.CrossCFlags[i+1:])304 target.CrossCFlags = target.CrossCFlags[:len(target.CrossCFlags)-1]305 }306 break307 }308 }309}310func supportsStatic(target *Target) bool {311 cmd := exec.Command(target.CCompiler, "-x", "c", "-", "-o", "/dev/null", "-static")312 cmd.Stdin = strings.NewReader("int main(){}")313 return cmd.Run() == nil314}315func needSyscallDefine(nr uint64) bool {316 return true317}318func dontNeedSyscallDefine(nr uint64) bool {319 return false320}...

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init.go

Source:init.go Github

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1// Copyright 2017 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package akaros4import (5 "github.com/google/syzkaller/prog"6 "github.com/google/syzkaller/sys/akaros/gen"7 "github.com/google/syzkaller/sys/targets"8)9func init() {10 prog.RegisterTarget(gen.Target_amd64, initTarget)11}12func initTarget(target *prog.Target) {13 target.MakeMmap = targets.MakePosixMmap(target)14}...

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InitTarget

Using AI Code Generation

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1import (2func main() {3 fmt.Println(akaros.GetTarget())4}5import (6func main() {7 fmt.Println(akaros.GetTarget())8}9import (10func main() {11 fmt.Println(akaros.GetTarget())12}13import (14func main() {15 fmt.Println(akaros.GetTarget())16}17import (18func main() {19 fmt.Println(akaros.GetTarget())20}21import (22func main() {23 fmt.Println(akaros.GetTarget())24}25import (26func main() {27 fmt.Println(akaros.GetTarget())28}

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InitTarget

Using AI Code Generation

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1import (2func main() {3 ak := akaros.NewAkaros()4 fmt.Println(ak)5}62.2.2. GetTarget()7import (8func main() {9 ak := akaros.NewAkaros()10 fmt.Println(ak.GetTarget())11}122.2.3. SetHeader()13import (14func main() {15 ak := akaros.NewAkaros()16 fmt.Println(ak.SetHeader("Content-Type", "application/json"))17}182.2.4. GetHeader()19import (20func main() {21 ak := akaros.NewAkaros()22 ak.SetHeader("Content-Type", "application/json")23 fmt.Println(

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InitTarget

Using AI Code Generation

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1import (2func main() {3 akarosObj := akaros.Akaros{}4 fmt.Println(akarosObj.GetTarget())5}6import (7func main() {8 akarosObj := akaros.Akaros{}9 fmt.Println(akarosObj.GetTarget())10}11import (12func main() {13 akarosObj := akaros.Akaros{}14 fmt.Println(akarosObj.GetTarget())15}16import (17func main() {18 akarosObj := akaros.Akaros{}19 fmt.Println(akarosObj.GetTarget())20}21import (22func main() {23 akarosObj := akaros.Akaros{}24 fmt.Println(akarosObj.GetTarget())25}26import (27func main() {

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InitTarget

Using AI Code Generation

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1import (2func main() {3 target, err := akaros.InitTarget()4 if err != nil {5 fmt.Println(err)6 }7 fmt.Println("Target initialized successfully")8 fmt.Println(target)9}10import (11func main() {12 target, err := akaros.InitTarget()13 if err != nil {14 fmt.Println(err)15 }16 fmt.Println("Target initialized successfully")17 fmt.Println(target)18}19import (20func main() {21 target, err := akaros.InitTarget()22 if err != nil {23 fmt.Println(err)24 }25 fmt.Println("Target initialized successfully")26 fmt.Println(target)27}28import (29func main() {30 target, err := akaros.InitTarget()31 if err != nil {32 fmt.Println(err)33 }34 fmt.Println("Target initialized successfully")35 fmt.Println(target)36}37import (38func main() {39 target, err := akaros.InitTarget()40 if err != nil {41 fmt.Println(err)42 }43 fmt.Println("Target initialized successfully")44 fmt.Println(target)45}46import (47func main() {48 target, err := akaros.InitTarget()49 if err != nil {50 fmt.Println(err)51 }

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InitTarget

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Done")4}5import (6func main() {7 fmt.Println("Done")8}9import (10func main() {11 fmt.Println("Done")12}13import (14func main() {15 fmt.Println("Done")16}17import (18func main() {19 fmt.Println("Done")20}21import (22func main() {23 fmt.Println("Done")24}25import (26func main() {27 fmt.Println("Done")28}29import (

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InitTarget

Using AI Code Generation

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1import (2func main() {3 akaros.InitTarget()4}5import (6func main() {7 akaros.InitTarget()8}9Akaros 2.0.0 (c) 2019 Akaros10import (11func main() {12 akaros.InitTarget()13}14Akaros 2.0.0 (c) 2019 Akaros15import (16func main() {17 akaros.InitTarget()18 fmt.Println(akaros.GetVersion())19}20import (21func main() {22 akaros.InitTarget()23 fmt.Println(akaros.GetVersion())24 fmt.Println(akaros.GetSysInfo())25}

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InitTarget

Using AI Code Generation

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1import (2func main() {3 akaros.InitTarget()4}5import (6func InitTarget() {7 fmt.Println("Hello World")8}

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InitTarget

Using AI Code Generation

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1import (2type target struct {3}4func (t *target) Display() {5 fmt.Println("Name:", t.name, "Age:", t.age)6}7type akaros struct {8}9func (a *akaros) InitTarget(name string, age int) {10}11func main() {12 a := akaros{}13 a.InitTarget("Akaros", 20)14 a.Display()15}16import (17type target struct {18}19func (t *target) Display() {20 fmt.Println("Name:", t.name, "Age:", t.age)21}22type akaros struct {23}24func (a *akaros) InitTarget(name string, age int) {25}26func (a *akaros) Display() {27 a.target.Display()28}29func main() {30 a := akaros{}31 a.InitTarget("Akaros", 20)32 a.Display()33}

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