blob: 68db8acd8b171e095c648b07989469107afa1942 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* go-runtime-error.c -- Go runtime error.
Copyright 2010 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include "runtime.h"
/* The compiler generates calls to this function. This enum values
are known to the compiler and used by compiled code. Any change
here must be reflected in the compiler. */
enum
{
/* Slice index out of bounds: negative or larger than the length of
the slice. */
SLICE_INDEX_OUT_OF_BOUNDS = 0,
/* Array index out of bounds. */
ARRAY_INDEX_OUT_OF_BOUNDS = 1,
/* String index out of bounds. */
STRING_INDEX_OUT_OF_BOUNDS = 2,
/* Slice slice out of bounds: negative or larger than the length of
the slice or high bound less than low bound. */
SLICE_SLICE_OUT_OF_BOUNDS = 3,
/* Array slice out of bounds. */
ARRAY_SLICE_OUT_OF_BOUNDS = 4,
/* String slice out of bounds. */
STRING_SLICE_OUT_OF_BOUNDS = 5,
/* Dereference of nil pointer. This is used when there is a
dereference of a pointer to a very large struct or array, to
ensure that a gigantic array is not used a proxy to access random
memory locations. */
NIL_DEREFERENCE = 6,
/* Slice length or capacity out of bounds in make: negative or
overflow or length greater than capacity. */
MAKE_SLICE_OUT_OF_BOUNDS = 7,
/* Map capacity out of bounds in make: negative or overflow. */
MAKE_MAP_OUT_OF_BOUNDS = 8,
/* Channel capacity out of bounds in make: negative or overflow. */
MAKE_CHAN_OUT_OF_BOUNDS = 9,
/* Integer division by zero. */
DIVISION_BY_ZERO = 10
};
extern void __go_runtime_error () __attribute__ ((noreturn));
void
__go_runtime_error (int i)
{
switch (i)
{
case SLICE_INDEX_OUT_OF_BOUNDS:
case ARRAY_INDEX_OUT_OF_BOUNDS:
case STRING_INDEX_OUT_OF_BOUNDS:
runtime_panicstring ("index out of range");
case SLICE_SLICE_OUT_OF_BOUNDS:
case ARRAY_SLICE_OUT_OF_BOUNDS:
case STRING_SLICE_OUT_OF_BOUNDS:
runtime_panicstring ("slice bounds out of range");
case NIL_DEREFERENCE:
runtime_panicstring ("nil pointer dereference");
case MAKE_SLICE_OUT_OF_BOUNDS:
runtime_panicstring ("make slice len or cap out of range");
case MAKE_MAP_OUT_OF_BOUNDS:
runtime_panicstring ("make map len out of range");
case MAKE_CHAN_OUT_OF_BOUNDS:
runtime_panicstring ("make chan len out of range");
case DIVISION_BY_ZERO:
runtime_panicstring ("integer divide by zero");
default:
runtime_panicstring ("unknown runtime error");
}
}
|
