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
| // REQUIRES: arm
// RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf --arm-add-build-attributes %s -o %t.o
// RUN: echo "SECTIONS { \
// RUN: .plt 0x2000 : { *(.plt) *(.plt.*) } \
// RUN: .text : { *(.text) } \
// RUN: }" > %t.script
// RUN: ld.lld --script %t.script --fix-cortex-a8 --shared -verbose %t.o -o %t2
// RUN: llvm-objdump -d --start-address=0x2020 --stop-address=0x202c --no-show-raw-insn %t2 | FileCheck --check-prefix=CHECK-PLT %s
// RUN: llvm-objdump -d --start-address=0x2ffa --stop-address=0x3008 --no-show-raw-insn %t2 | FileCheck %s
/// If we patch a branch instruction that is indirected via the PLT then we
/// must make sure the patch goes via the PLT
// CHECK-PLT: 2020: add r12, pc, #0, #12
// CHECK-PLT-NEXT: 2024: add r12, r12, #4096
// CHECK-PLT-NEXT: 2028: ldr pc, [r12, #68]!
.syntax unified
.thumb
.global external
.type external, %function
.text
.balign 2048
.space 2042
.global source
.thumb_func
source:
nop.w
bl external
// CHECK: 00002ffa source:
// CHECK-NEXT: 2ffa: nop.w
// CHECK-NEXT: 2ffe: blx #4
// CHECK: 00003004 __CortexA8657417_2FFE:
// CHECK-NEXT: 3004: b #-4076
|