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
|
# REQUIRES: arm
# RUN: yaml2obj %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-objdump --no-print-imm-hex -d %t | FileCheck %s
# CHECK: Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: <_start>:
# CHECK-NEXT: e7ff b 0x200b6 <_start+0x2> @ imm = #-2
# CHECK-NEXT: d0fe beq 0x200b6 <_start+0x2> @ imm = #-4
# Test the R_ARM_THM_JUMP11 (102) and R_ARM_THM_JUMP8 (103) relocations to an
# undefined weak reference. It should resolve to the next instruction, which
# is an offset of -2 which when added to the Thumb PC-bias of 4 is +2. We can't
# use llvm-mc to construct the object as it relaxes b.n to b.w (R_ARM_JUMP24).
!ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_ARM
Sections:
- Type: SHT_PROGBITS
Name: .text
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Content: "fee7fed0"
- Type: SHT_REL
Name: .rel.text
Link: .symtab
Info: .text
Relocations:
- Symbol: undefined_weak
Type: R_ARM_THM_JUMP11
- Symbol: undefined_weak
Type: R_ARM_THM_JUMP8
Symbols:
- Type: STT_NOTYPE
Name: "$t"
Section: .text
Value: 0
- Type: STT_FUNC
Name: _start
Value: 1
Section: .text
Binding: STB_GLOBAL
- Type: STT_NOTYPE
Name: undefined_weak
Value: 0
Binding: STB_WEAK
|
