1// Copyright 2019 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build 386 || arm || mips || mipsle
6
7package runtime
8
9// Additional index/slice error paths for 32-bit platforms.
10// Used when the high word of a 64-bit index is not zero.
11
12// failures in the comparisons for s[x], 0 <= x < y (y == len(s))
13func goPanicExtendIndex(hi int, lo uint, y int) {
14	panicCheck1(getcallerpc(), "index out of range")
15	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsIndex})
16}
17func goPanicExtendIndexU(hi uint, lo uint, y int) {
18	panicCheck1(getcallerpc(), "index out of range")
19	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsIndex})
20}
21
22// failures in the comparisons for s[:x], 0 <= x <= y (y == len(s) or cap(s))
23func goPanicExtendSliceAlen(hi int, lo uint, y int) {
24	panicCheck1(getcallerpc(), "slice bounds out of range")
25	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSliceAlen})
26}
27func goPanicExtendSliceAlenU(hi uint, lo uint, y int) {
28	panicCheck1(getcallerpc(), "slice bounds out of range")
29	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSliceAlen})
30}
31func goPanicExtendSliceAcap(hi int, lo uint, y int) {
32	panicCheck1(getcallerpc(), "slice bounds out of range")
33	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSliceAcap})
34}
35func goPanicExtendSliceAcapU(hi uint, lo uint, y int) {
36	panicCheck1(getcallerpc(), "slice bounds out of range")
37	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSliceAcap})
38}
39
40// failures in the comparisons for s[x:y], 0 <= x <= y
41func goPanicExtendSliceB(hi int, lo uint, y int) {
42	panicCheck1(getcallerpc(), "slice bounds out of range")
43	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSliceB})
44}
45func goPanicExtendSliceBU(hi uint, lo uint, y int) {
46	panicCheck1(getcallerpc(), "slice bounds out of range")
47	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSliceB})
48}
49
50// failures in the comparisons for s[::x], 0 <= x <= y (y == len(s) or cap(s))
51func goPanicExtendSlice3Alen(hi int, lo uint, y int) {
52	panicCheck1(getcallerpc(), "slice bounds out of range")
53	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSlice3Alen})
54}
55func goPanicExtendSlice3AlenU(hi uint, lo uint, y int) {
56	panicCheck1(getcallerpc(), "slice bounds out of range")
57	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSlice3Alen})
58}
59func goPanicExtendSlice3Acap(hi int, lo uint, y int) {
60	panicCheck1(getcallerpc(), "slice bounds out of range")
61	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSlice3Acap})
62}
63func goPanicExtendSlice3AcapU(hi uint, lo uint, y int) {
64	panicCheck1(getcallerpc(), "slice bounds out of range")
65	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSlice3Acap})
66}
67
68// failures in the comparisons for s[:x:y], 0 <= x <= y
69func goPanicExtendSlice3B(hi int, lo uint, y int) {
70	panicCheck1(getcallerpc(), "slice bounds out of range")
71	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSlice3B})
72}
73func goPanicExtendSlice3BU(hi uint, lo uint, y int) {
74	panicCheck1(getcallerpc(), "slice bounds out of range")
75	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSlice3B})
76}
77
78// failures in the comparisons for s[x:y:], 0 <= x <= y
79func goPanicExtendSlice3C(hi int, lo uint, y int) {
80	panicCheck1(getcallerpc(), "slice bounds out of range")
81	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: true, y: y, code: boundsSlice3C})
82}
83func goPanicExtendSlice3CU(hi uint, lo uint, y int) {
84	panicCheck1(getcallerpc(), "slice bounds out of range")
85	panic(boundsError{x: int64(hi)<<32 + int64(lo), signed: false, y: y, code: boundsSlice3C})
86}
87
88// Implemented in assembly, as they take arguments in registers.
89// Declared here to mark them as ABIInternal.
90func panicExtendIndex(hi int, lo uint, y int)
91func panicExtendIndexU(hi uint, lo uint, y int)
92func panicExtendSliceAlen(hi int, lo uint, y int)
93func panicExtendSliceAlenU(hi uint, lo uint, y int)
94func panicExtendSliceAcap(hi int, lo uint, y int)
95func panicExtendSliceAcapU(hi uint, lo uint, y int)
96func panicExtendSliceB(hi int, lo uint, y int)
97func panicExtendSliceBU(hi uint, lo uint, y int)
98func panicExtendSlice3Alen(hi int, lo uint, y int)
99func panicExtendSlice3AlenU(hi uint, lo uint, y int)
100func panicExtendSlice3Acap(hi int, lo uint, y int)
101func panicExtendSlice3AcapU(hi uint, lo uint, y int)
102func panicExtendSlice3B(hi int, lo uint, y int)
103func panicExtendSlice3BU(hi uint, lo uint, y int)
104func panicExtendSlice3C(hi int, lo uint, y int)
105func panicExtendSlice3CU(hi uint, lo uint, y int)
106