// In a statically linked binary, the stack contains argc,
	// argv as argc string pointers followed by a NULL, envv as a
	// sequence of string pointers followed by a NULL, and auxv.
	// The TLS pointer should be initialized to 0.
	//
	// In an ELFv2 compliant dynamically linked binary, R3 contains argc,
	// R4 contains argv, R5 contains envp, R6 contains auxv, and R13
	// contains the TLS pointer.
	//

                public Process exec(String command, String[] envp) { return null; }
                public Process exec(String command, String[] envp, File file) { return null; }
                public Process exec(String command, List<?> envp, File file) { return null; }
                public Process exec(String[] command) { return null; }
                public Process exec(String[] command, String[] envp) { return null; }

        externalProcessStarted(command, consumer);
        return runtime.exec(command, envp);
    }

    public static Process exec(Runtime runtime, String[] command, String[] envp, String consumer) throws IOException {
        externalProcessStarted(command, consumer);
        return runtime.exec(command, envp);
    }

//
//go:norace
func forkAndExecInChild(argv0 *byte, argv, envv []*byte, chroot, dir *byte, attr *ProcAttr, sys *SysProcAttr, pipe int) (pid int, err Errno) {
	// Set up and fork. This returns immediately in the parent or
	// if there's an error.
	upid, pidfd, err, mapPipe, locked := forkAndExecInChild1(argv0, argv, envv, chroot, dir, attr, sys, pipe)
	if locked {
		runtime_AfterFork()
	}
	if err != 0 {

//sys	getcwd(buf []byte) (n int, err error)
//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
//sysnb fork() (pid int, err error)
//sysnb execve(path *byte, argv **byte, envp **byte) (err error)
//sysnb exit(res int) (err error)
//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
//sysnb getentropy(p []byte) (err error)

	setThreadCPUProfilerHz(hz)
}

//go:nosplit
func validSIGPROF(mp *m, c *sigctxt) bool {
	return true
}

func sysargs(argc int32, argv **byte) {
	n := argc + 1

	// skip over argv, envp to get to auxv
	for argv_index(argv, n) != nil {
		n++
	}

	// skip NULL separator
	n++

	// now argv+n is auxv
	auxvp := (*[1 << 28]uintptr)(add(unsafe.Pointer(argv), uintptr(n)*goarch.PtrSize))

//sys   munmap(addr uintptr, length uintptr) (err error)
//sysnb fork() (pid int, err error)
//sysnb execve(path *byte, argv **byte, envp **byte) (err error)
//sysnb exit(res int) (err error)
//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
//sys   unlinkat(fd int, path string, flags int) (err error)

func osyield() {
	sysvicall0(&libc_sched_yield)
}

//go:linkname executablePath os.executablePath
var executablePath string

func sysargs(argc int32, argv **byte) {
	n := argc + 1

	// skip over argv, envp to get to auxv
	for argv_index(argv, n) != nil {
		n++
	}

	// skip NULL separator
	n++

	// now argv+n is auxv
	auxvp := (*[1 << 28]uintptr)(add(unsafe.Pointer(argv), uintptr(n)*goarch.PtrSize))

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()