1// REQUIRES: arm
2// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
3// RUN: ld.lld %t --shared -o %t.so
4// RUN: llvm-objdump -d -triple=thumbv7a-none-linux-gnueabi %t.so | FileCheck %s
5// RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t.so | FileCheck %s -check-prefix=PLT
6 .syntax unified
7 .global sym1
8 .global elsewhere
9 .weak weakref
10sym1:
11 b.w elsewhere
12 b.w weakref
13
14// Check that we generate a thunk for an undefined symbol called via a plt
15// entry.
16
17// CHECK: Disassembly of section .text:
18// CHECK-NEXT: sym1:
19// CHECK-NEXT: 1000: 00 f0 02 b8 b.w #4 <__ThumbV7PILongThunk_elsewhere>
20// CHECK-NEXT: 1004: 00 f0 06 b8 b.w #12 <__ThumbV7PILongThunk_weakref>
21// CHECK: __ThumbV7PILongThunk_elsewhere:
22// CHECK-NEXT:     1008:       40 f2 2c 0c     movw    r12, #44
23// CHECK-NEXT:     100c:       c0 f2 00 0c     movt    r12, #0
24// CHECK-NEXT:     1010:       fc 44   add     r12, pc
25// CHECK-NEXT:     1012:       60 47   bx      r12
26// CHECK: __ThumbV7PILongThunk_weakref:
27// CHECK-NEXT:     1014:       40 f2 30 0c     movw    r12, #48
28// CHECK-NEXT:     1018:       c0 f2 00 0c     movt    r12, #0
29// CHECK-NEXT:     101c:       fc 44   add     r12, pc
30// CHECK-NEXT:     101e:       60 47   bx      r12
31
32// PLT: Disassembly of section .plt:
33// PLT-NEXT: $a:
34// PLT-NEXT:     1020:  04 e0 2d e5     str     lr, [sp, #-4]!
35// PLT-NEXT:     1024:  00 e6 8f e2     add     lr, pc, #0, #12
36// PLT-NEXT:     1028:  00 ea 8e e2     add     lr, lr, #0, #20
37// PLT-NEXT:     102c:  dc ff be e5     ldr     pc, [lr, #4060]!
38// PLT: $d:
39// PLT-NEXT:     1030:  d4 d4 d4 d4     .word   0xd4d4d4d4
40// PLT-NEXT:     1034:  d4 d4 d4 d4     .word   0xd4d4d4d4
41// PLT-NEXT:     1038:  d4 d4 d4 d4     .word   0xd4d4d4d4
42// PLT-NEXT:     103c:  d4 d4 d4 d4     .word   0xd4d4d4d4
43// PLT: $a:
44// PLT-NEXT:     1040:  00 c6 8f e2     add     r12, pc, #0, #12
45// PLT-NEXT:     1044:  00 ca 8c e2     add     r12, r12, #0, #20
46// PLT-NEXT:     1048:  c4 ff bc e5     ldr     pc, [r12, #4036]!
47// PLT: $d:
48// PLT-NEXT:     104c:  d4 d4 d4 d4     .word   0xd4d4d4d4
49// PLT: $a:
50// PLT-NEXT:     1050:  00 c6 8f e2     add     r12, pc, #0, #12
51// PLT-NEXT:     1054:  00 ca 8c e2     add     r12, r12, #0, #20
52// PLT-NEXT:     1058:  b8 ff bc e5     ldr     pc, [r12, #4024]!
53// PLT: $d:
54// PLT-NEXT:     105c:  d4 d4 d4 d4     .word   0xd4d4d4d4
55
56