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
| # REQUIRES: aarch64
# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %p/Inputs/aarch64-tstbr14-reloc.s -o %t1
# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %s -o %t2
# RUN: ld.lld %t1 %t2 -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: ld.lld -shared %t1 %t2 -o %t3
# RUN: llvm-objdump -d --no-show-raw-insn %t3 | FileCheck -check-prefix=DSO %s
# RUN: llvm-readobj -S -r %t3 | FileCheck -check-prefix=DSOREL %s
# CHECK: _foo:
# CHECK-NEXT: 210120: nop
# CHECK-NEXT: 210124: nop
# CHECK-NEXT: 210128: nop
# CHECK-NEXT: 21012c: nop
# CHECK: _bar:
# CHECK-NEXT: 210130: nop
# CHECK-NEXT: 210134: nop
# CHECK-NEXT: 210138: nop
# CHECK: _start:
# CHECK-NEXT: 21013c: tbnz w3, #15, #-28 <_foo>
# CHECK-NEXT: 210140: tbnz w3, #15, #-16 <_bar>
# CHECK-NEXT: 210144: tbz x6, #45, #-36 <_foo>
# CHECK-NEXT: 210148: tbz x6, #45, #-24 <_bar>
#DSOREL: Section {
#DSOREL: Index:
#DSOREL: Name: .got.plt
#DSOREL-NEXT: Type: SHT_PROGBITS
#DSOREL-NEXT: Flags [
#DSOREL-NEXT: SHF_ALLOC
#DSOREL-NEXT: SHF_WRITE
#DSOREL-NEXT: ]
#DSOREL-NEXT: Address: 0x30420
#DSOREL-NEXT: Offset: 0x420
#DSOREL-NEXT: Size: 40
#DSOREL-NEXT: Link: 0
#DSOREL-NEXT: Info: 0
#DSOREL-NEXT: AddressAlignment: 8
#DSOREL-NEXT: EntrySize: 0
#DSOREL-NEXT: }
#DSOREL: Relocations [
#DSOREL-NEXT: Section ({{.*}}) .rela.plt {
#DSOREL-NEXT: 0x30438 R_AARCH64_JUMP_SLOT _foo
#DSOREL-NEXT: 0x30440 R_AARCH64_JUMP_SLOT _bar
#DSOREL-NEXT: }
#DSOREL-NEXT:]
#DSO: Disassembly of section .text:
#DSO-EMPTY:
#DSO-NEXT: _foo:
#DSO-NEXT: 102f8: nop
#DSO-NEXT: 102fc: nop
#DSO-NEXT: 10300: nop
#DSO-NEXT: 10304: nop
#DSO: _bar:
#DSO-NEXT: 10308: nop
#DSO-NEXT: 1030c: nop
#DSO-NEXT: 10310: nop
#DSO: _start:
#DSO-NEXT: 10314: tbnz w3, #15, #60 <_foo@plt>
#DSO-NEXT: 10318: tbnz w3, #15, #72 <_bar@plt>
#DSO-NEXT: 1031c: tbz x6, #45, #52 <_foo@plt>
#DSO-NEXT: 10320: tbz x6, #45, #64 <_bar@plt>
#DSO-EMPTY:
#DSO-NEXT: Disassembly of section .plt:
#DSO-EMPTY:
#DSO-NEXT: .plt:
#DSO-NEXT: 10330: stp x16, x30, [sp, #-16]!
#DSO-NEXT: 10334: adrp x16, #131072
#DSO-NEXT: 10338: ldr x17, [x16, #1072]
#DSO-NEXT: 1033c: add x16, x16, #1072
#DSO-NEXT: 10340: br x17
#DSO-NEXT: 10344: nop
#DSO-NEXT: 10348: nop
#DSO-NEXT: 1034c: nop
#DSO-EMPTY:
#DSO-NEXT: _foo@plt:
#DSO-NEXT: 10350: adrp x16, #131072
#DSO-NEXT: 10354: ldr x17, [x16, #1080]
#DSO-NEXT: 10358: add x16, x16, #1080
#DSO-NEXT: 1035c: br x17
#DSO-EMPTY:
#DSO-NEXT: _bar@plt:
#DSO-NEXT: 10360: adrp x16, #131072
#DSO-NEXT: 10364: ldr x17, [x16, #1088]
#DSO-NEXT: 10368: add x16, x16, #1088
#DSO-NEXT: 1036c: br x17
.globl _start
_start:
tbnz w3, #15, _foo
tbnz w3, #15, _bar
tbz x6, #45, _foo
tbz x6, #45, _bar
|