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How to use constArgToStr method of csource Package

Best Syzkaller code snippet using csource.constArgToStr

csource.go

Source:csource.go

...282			switch arg := copyin.Arg.(type) {283			case prog.ExecArgConst:284				if arg.BitfieldOffset == 0 && arg.BitfieldLength == 0 {285					fmt.Fprintf(w, "\tNONFAILING(*(uint%v_t*)0x%x = %v);\n",286						arg.Size*8, copyin.Addr, ctx.constArgToStr(arg))287				} else {288					fmt.Fprintf(w, "\tNONFAILING(STORE_BY_BITMASK(uint%v_t, 0x%x, %v, %v, %v));\n",289						arg.Size*8, copyin.Addr, ctx.constArgToStr(arg),290						arg.BitfieldOffset, arg.BitfieldLength)291				}292			case prog.ExecArgResult:293				fmt.Fprintf(w, "\tNONFAILING(*(uint%v_t*)0x%x = %v);\n",294					arg.Size*8, copyin.Addr, ctx.resultArgToStr(arg))295			case prog.ExecArgData:296				fmt.Fprintf(w, "\tNONFAILING(memcpy((void*)0x%x, \"%s\", %v));\n",297					copyin.Addr, toCString(arg.Data), len(arg.Data))298			case prog.ExecArgCsum:299				switch arg.Kind {300				case prog.ExecArgCsumInet:301					csumSeq++302					ctx.generateCsumInet(w, copyin.Addr, arg, csumSeq)303				default:304					panic(fmt.Sprintf("unknown csum kind %v", arg.Kind))305				}306			default:307				panic(fmt.Sprintf("bad argument type: %+v", arg))308			}309		}310		// Call itself.311		if ctx.opts.Fault && ctx.opts.FaultCall == ci {312			fmt.Fprintf(w, "\twrite_file(\"/sys/kernel/debug/failslab/ignore-gfp-wait\", \"N\");\n")313			fmt.Fprintf(w, "\twrite_file(\"/sys/kernel/debug/fail_futex/ignore-private\", \"N\");\n")314			fmt.Fprintf(w, "\tinject_fault(%v);\n", ctx.opts.FaultNth)315		}316		callName := call.Meta.CallName317		resCopyout := call.Index != prog.ExecNoCopyout318		argCopyout := len(call.Copyout) != 0319		emitCall := ctx.opts.EnableTun || callName != "syz_emit_ethernet" &&320			callName != "syz_extract_tcp_res"321		// TODO: if we don't emit the call we must also not emit copyin, copyout and fault injection.322		// However, simply skipping whole iteration breaks tests due to unused static functions.323		if emitCall {324			native := !strings.HasPrefix(callName, "syz_")325			fmt.Fprintf(w, "\t")326			if resCopyout || argCopyout {327				fmt.Fprintf(w, "res = ")328			}329			if native {330				fmt.Fprintf(w, "syscall(%v%v", ctx.sysTarget.SyscallPrefix, callName)331			} else {332				fmt.Fprintf(w, "%v(", callName)333			}334			for ai, arg := range call.Args {335				if native || ai > 0 {336					fmt.Fprintf(w, ", ")337				}338				switch arg := arg.(type) {339				case prog.ExecArgConst:340					fmt.Fprintf(w, "%v", ctx.constArgToStr(arg))341				case prog.ExecArgResult:342					fmt.Fprintf(w, "%v", ctx.resultArgToStr(arg))343				default:344					panic(fmt.Sprintf("unknown arg type: %+v", arg))345				}346			}347			fmt.Fprintf(w, ");\n")348		}349		// Copyout.350		if resCopyout || argCopyout {351			fmt.Fprintf(w, "\tif (res != -1)")352			copyoutMultiple := len(call.Copyout) > 1 || resCopyout && len(call.Copyout) > 0353			if copyoutMultiple {354				fmt.Fprintf(w, " {")355			}356			fmt.Fprintf(w, "\n")357			if resCopyout {358				fmt.Fprintf(w, "\t\tr[%v] = res;\n", call.Index)359			}360			for _, copyout := range call.Copyout {361				fmt.Fprintf(w, "\t\tNONFAILING(r[%v] = *(uint%v_t*)0x%x);\n",362					copyout.Index, copyout.Size*8, copyout.Addr)363			}364			if copyoutMultiple {365				fmt.Fprintf(w, "\t}\n")366			}367		}368		calls = append(calls, w.String())369	}370	return calls, p.Vars371}372func (ctx *context) generateCsumInet(w *bytes.Buffer, addr uint64, arg prog.ExecArgCsum, csumSeq int) {373	fmt.Fprintf(w, "\tstruct csum_inet csum_%d;\n", csumSeq)374	fmt.Fprintf(w, "\tcsum_inet_init(&csum_%d);\n", csumSeq)375	for i, chunk := range arg.Chunks {376		switch chunk.Kind {377		case prog.ExecArgCsumChunkData:378			fmt.Fprintf(w, "\tNONFAILING(csum_inet_update(&csum_%d, (const uint8_t*)0x%x, %d));\n",379				csumSeq, chunk.Value, chunk.Size)380		case prog.ExecArgCsumChunkConst:381			fmt.Fprintf(w, "\tuint%d_t csum_%d_chunk_%d = 0x%x;\n",382				chunk.Size*8, csumSeq, i, chunk.Value)383			fmt.Fprintf(w, "\tcsum_inet_update(&csum_%d, (const uint8_t*)&csum_%d_chunk_%d, %d);\n",384				csumSeq, csumSeq, i, chunk.Size)385		default:386			panic(fmt.Sprintf("unknown checksum chunk kind %v", chunk.Kind))387		}388	}389	fmt.Fprintf(w, "\tNONFAILING(*(uint16_t*)0x%x = csum_inet_digest(&csum_%d));\n",390		addr, csumSeq)391}392func (ctx *context) constArgToStr(arg prog.ExecArgConst) string {393	mask := (uint64(1) << (arg.Size * 8)) - 1394	v := arg.Value & mask395	val := fmt.Sprintf("%v", v)396	if v == ^uint64(0)&mask {397		val = "-1"398	} else if v >= 10 {399		val = fmt.Sprintf("0x%x", v)400	}401	if ctx.opts.Procs > 1 && arg.PidStride != 0 {402		val += fmt.Sprintf(" + procid*%v", arg.PidStride)403	}404	if arg.BigEndian {405		val = fmt.Sprintf("htobe%v(%v)", arg.Size*8, val)406	}...

constArgToStr

Using AI Code Generation

1import "fmt"2type csource struct {3}4func (c csource) constArgToStr() string {5    return fmt.Sprintf("Name: %s, Age: %d", c.name, c.age)6}7func main() {8    c := csource{"csource", 2}9    fmt.Println(c.constArgToStr())10}

constArgToStr

Using AI Code Generation

1import (2func main() {3	target, err := prog.GetTarget("linux", "amd64")4	if err != nil {5		fmt.Println(err)6	}7	cs := &prog.CSource{8	}9	c := prog.MakeConstArg(target.ConstType("int64"), 10)10	str := cs.ConstArgToStr(c)11	fmt.Printf("%v", str)12}13import (14func main() {15	target, err := prog.GetTarget("linux", "amd64")16	if err != nil {17		fmt.Println(err)18	}19	cs := &prog.CSource{20	}21	c := prog.MakeConstArg(target.ConstType("int64"), 10)22	str := cs.FormatArg(c)23	fmt.Printf("%v", str)24}25import (26func main() {27	target, err := prog.GetTarget("linux", "amd64")28	if err != nil {29		fmt.Println(err)30	}

constArgToStr

Using AI Code Generation

1import (2func main() {3    h := &netlink.Handle{}4    conn, err := netlink.Dial(nil)5    if err != nil {6        fmt.Println("error in creating a new netlink.Conn")7    }8    c, err := netlink.Dial(nil)9    if err != nil {10        fmt.Println("error in creating a new netlink.Conn")11    }12    conn, err := netlink.Dial(nil)13    if err != nil {14        fmt.Println("error in creating a new netlink.Conn")15    }16    conn, err := netlink.Dial(nil)17    if err != nil {18        fmt.Println("error in creating a new netlink.Conn")19    }20    conn, err := netlink.Dial(nil)21    if err != nil {22        fmt.Println("error in creating a new netlink.Conn")23    }24    conn, err := netlink.Dial(nil)25    if err != nil {26        fmt.Println("error in creating a new netlink.Conn")27    }28    conn, err := netlink.Dial(nil)29    if err != nil {30        fmt.Println("error in creating a new netlink.Conn")31    }32    conn, err := netlink.Dial(nil)33    if err != nil {34        fmt.Println("error in creating a new netlink.Conn")35    }

constArgToStr

Using AI Code Generation

1import (2func main() {3    fmt.Println(constarg.ConstArgToStr(input))4}5import (6func main() {7    fmt.Println(constarg.ConstArgToStr(input))8}9import (10func main() {11    fmt.Println(constarg.ConstArgToStr(input))12}13import (14func main() {15    fmt.Println(constarg.ConstArgToStr(input))16}17import (18func main() {19    fmt.Println(constarg.ConstArgToStr(input))20}21import (22func main() {23    fmt.Println(constarg.ConstArgToStr(input))24}25import (26func main() {27    fmt.Println(constarg.ConstArgToStr(input))28}29import (30func main() {

constArgToStr

Using AI Code Generation

1import (2func main() {3	csource := binutil.NewCSource()4	fmt.Println(constArgToStr(0))5	fmt.Println(constArgToStr(1))6	fmt.Println(constArgToStr(2))7	fmt.Println(constArgToStr(3))8	fmt.Println(constArgToStr(4))9	fmt.Println(constArgToStr(5))10	fmt.Println(constArgToStr(6))11	fmt.Println(constArgToStr(7))12	fmt.Println(constArgToStr(8))13	fmt.Println(constArgToStr(9))14	fmt.Println(constArgToStr(10))15	fmt.Println(constArgToStr(11))16	fmt.Println(constArgToStr(12))17	fmt.Println(constArgToStr(13))18	fmt.Println(constArgToStr(14))19	fmt.Println(constArgToStr(15))20}

constArgToStr

Using AI Code Generation

1import (2func main() {3	fmt.Println(c2go.ConstArgToStr(1, "int"))4	fmt.Println(c2go.ConstArgToStr(2, "int"))5	fmt.Println(c2go.ConstArgToStr(3, "int"))6	fmt.Println(c2go.ConstArgToStr(4, "int"))7	fmt.Println(c2go.ConstArgToStr(5, "int"))8	fmt.Println(c2go.ConstArgToStr(6, "int"))9	fmt.Println(c2go.ConstArgToStr(7, "int"))10	fmt.Println(c2go.ConstArgToStr(8, "int"))11	fmt.Println(c2go.ConstArgToStr(9, "int"))12	fmt.Println(c2go.ConstArgToStr(10, "int"))13	fmt.Println(c2go.ConstArgToStr(11, "int"))14	fmt.Println(c2go.ConstArgToStr(12, "int"))15	fmt.Println(c2go.ConstArgToStr(13, "int"))16	fmt.Println(c2go.ConstArgToStr(14, "int"))17	fmt.Println(c2go.ConstArgToStr(15, "int"))18	fmt.Println(c2go.ConstArgToStr(16, "int"))19	fmt.Println(c2go.ConstArgToStr(17, "int"))20	fmt.Println(c2go.ConstArgToStr(18, "int"))21	fmt.Println(c2go.ConstArgToStr(19, "int"))22	fmt.Println(c2go.ConstArgToStr(20, "int"))23	fmt.Println(c2go.ConstArgToStr(21, "int"))24	fmt.Println(c2go.ConstArgToStr(22, "int"))25	fmt.Println(c2go.ConstArgToStr(23, "int"))26	fmt.Println(c2go.ConstArgToStr(24, "int"))27	fmt.Println(c2go.ConstArgToStr(25, "int"))28	fmt.Println(c2go.ConstArgToStr(26, "int"))29	fmt.Println(c2go.ConstArgToStr(27, "int"))30	fmt.Println(c2go.ConstArgToStr(28, "int"))31	fmt.Println(c2go.Con

constArgToStr

Using AI Code Generation

1void constArgToStr() {2    string str;3    str = csource->constArgToStr();4    file << str;5}6void constArgToStr() {7    string str;8    str = csource->constArgToStr();9    file << str;10}11void constArgToStr() {12    string str;13    str = csource->constArgToStr();14    file << str;15}16void constArgToStr() {17    string str;18    str = csource->constArgToStr();19    file << str;20}21void constArgToStr() {22    string str;23    str = csource->constArgToStr();24    file << str;25}26void constArgToStr() {27    string str;28    str = csource->constArgToStr();29    file << str;30}

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