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
91
92
93
94
95
96
97
98
99
100
101
102
|
@ RUN: not llvm-mc %s -triple thumbv7-linux-gnueabi -filetype=obj -o /dev/null 2>&1 | FileCheck %s
// Thumb2 unconditional branch has a range of +- 16 Megabytes. The
// conditional branch has a range of +- 1 Megabyte. We should give
// an error message if we evaluate the expression at assembly
// time and it is out of range.
.syntax unified
.thumb
b.w end
.space 0xfffffe
end:
b.w end2
.space 0xfffffe
.global end2
end2:
// branch to arm function uses relocation
b.w end3
.space 0x1000000
.global end3
.type end3, %function
.arm
end3: bx lr
.thumb
// branch to thumb function is resolved at assembly time
// CHECK-NOT: error
// CHECK: [[@LINE+2]]:{{[0-9]}}: error: Relocation out of range
// CHECK-LABEL: b.w end4
b.w end4
.space 0x1000000
.thumb_func
end4:
beq.w end5
.space 0xffffc
end5:
// conditional branch to arm function uses relocation
beq.w end6
.arm
.type end6, %function
.space 0x100000
end6: bx lr
.thumb
// conditional branch to thumb function resolved at assembly time
// CHECK-NOT: error
// CHECK: [[@LINE+2]]:{{[0-9]}}: error: Relocation out of range
// CHECK-LABEL: beq.w end7
beq.w end7
.space 0x100000
end7:
start:
.space 0xfffffc
b.w start
.arm
.global start2
.type start2, %function
start2:
.space 0x1000000
.thumb
// branch to arm function uses relocation
b.w start2
start3:
.space 0x1000000
// branch to thumb function resolved at assembly time
// CHECK-NOT: error
// CHECK: [[@LINE+2]]:{{[0-9]}}: error: Relocation out of range
// CHECK-LABEL: b.w start3
b.w start3
start4:
.space 0xffffc
b.w start4
.arm
.global start5
.type start5, %function
start5:
.space 0x100000
.thumb
// conditional branch to arm function uses relocation
beq.w start5
start6:
.space 0x100000
// branch to thumb function resolved at assembly time
// CHECK-NOT: error
// CHECK: [[@LINE+2]]:{{[0-9]}}: error: Relocation out of range
// CHECK-LABEL: beq.w start6
beq.w start6
start7:
// branch to thumb function resolved at assembly time
// CHECK: [[#@LINE+1]]:{{[0-9]}}: error: Relocation out of range
b.w start8 - start7 + 0x1000000
start8:
|
