"io"
	"math/rand"
	"net"
	. "os"
	"strconv"
	"syscall"
	"testing"
	"time"
)

func TestSendFile(t *testing.T) {
	sizes := []int{
		1,
		42,
		1025,
		syscall.Getpagesize() + 1,
		32769,
	}
	t.Run("sendfile-to-unix", func(t *testing.T) {
		for _, size := range sizes {
			t.Run(strconv.Itoa(size), func(t *testing.T) {
				testSendFile(t, "unix", int64(size))
			})
		}
	})

	case objabi.R_ADDRMIPSTLS:
		// thread pointer is at 0x7000 offset from the start of TLS data area
		t := ldr.SymValue(rs) + r.Add() - 0x7000
		if t < -32768 || t >= 32678 {
			ldr.Errorf(s, "TLS offset out of range %d", t)
		}
		return applyrel(target.Arch, ldr, rt, r.Off(), s, val, t), noExtReloc, isOk
	}

	return val, 0, false
}

00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|
00000030  6f f4 cb 8a 13 74 a2 ee  b7 27 69 b4 41 c0 90 68  |o....t...'i.A..h|
00000040  bc 02 69 e1 c6 48 4f 39  36 30 25 ca 4c 17 ce 83  |..i..HO960%.L...|
00000050  9e 08 56 e3 05 49 93 9e  2e c4 fb e6 c8 01 f1 0f  |..V..I..........|

	MIPSDWARFRegisters[REG_HI] = 64
	MIPSDWARFRegisters[REG_LO] = 65
	// The lower bits of W registers are alias to F registers
	f(REG_W0, REG_W31, 32)
}

const (
	BIG = 32766
)

const (
	/* mark flags */
	FOLL    = 1 << 0
	LABEL   = 1 << 1
	LEAF    = 1 << 2
	SYNC    = 1 << 3
	BRANCH  = 1 << 4
	LOAD    = 1 << 5
	FCMP    = 1 << 6
	NOSCHED = 1 << 7

00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|
00000030  6f f4 cb 8a 13 74 a2 ee  b7 27 69 b4 41 c0 90 68  |o....t...'i.A..h|
00000040  bc 02 69 e1 c6 48 4f 39  36 30 25 ca 4c 17 ce 83  |..i..HO960%.L...|
00000050  9e 08 56 e3 05 49 93 9e  2e c4 fb e6 c8 01 f1 0f  |..V..I..........|

00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|
00000030  6f f4 cb 8a 13 74 a2 ee  b7 27 69 b4 41 c0 90 68  |o....t...'i.A..h|
00000040  bc 02 69 e1 c6 48 4f 39  36 30 25 ca 4c 17 ce 83  |..i..HO960%.L...|
00000050  9e 08 56 e3 05 49 93 9e  2e c4 fb e6 c8 01 f1 0f  |..V..I..........|

00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|
00000030  6f f4 cb 8a 13 74 a2 ee  b7 27 69 b4 41 c0 90 68  |o....t...'i.A..h|
00000040  bc 02 69 e1 c6 48 4f 39  36 30 25 ca 4c 17 ce 83  |..i..HO960%.L...|
00000050  9e 08 56 e3 05 49 93 9e  2e c4 fb e6 c8 01 f1 0f  |..V..I..........|

	if len(b) <= 1 {
		return nil
	}
	dst := m.rand(len(b))
	// TODO(rolandshoemaker,katiehockman): 4096 was mainly picked
	// randomly. We may want to either pick a much larger value
	// (AFL uses 32768, paired with a similar impl to chooseLen
	// which biases towards smaller lengths that grow over time),
	// or set the max based on characteristics of the corpus
	// (libFuzzer sets a min/max based on the min/max size of