| // REQUIRES: arm |
| // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t |
| // RUN: ld.lld %t --shared -o %t.so |
| // RUN: llvm-objdump -d -triple=thumbv7a-none-linux-gnueabi %t.so | FileCheck %s |
| // RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t.so | FileCheck %s -check-prefix=PLT |
| .syntax unified |
| .global sym1 |
| .global elsewhere |
| .weak weakref |
| sym1: |
| b.w elsewhere |
| b.w weakref |
| |
| // Check that we generate a thunk for an undefined symbol called via a plt |
| // entry. |
| |
| // CHECK: Disassembly of section .text: |
| // CHECK-NEXT: sym1: |
| // CHECK-NEXT: 1000: 00 f0 02 b8 b.w #4 <__ThumbV7PILongThunk_elsewhere> |
| // CHECK-NEXT: 1004: 00 f0 06 b8 b.w #12 <__ThumbV7PILongThunk_weakref> |
| // CHECK: __ThumbV7PILongThunk_elsewhere: |
| // CHECK-NEXT: 1008: 40 f2 2c 0c movw r12, #44 |
| // CHECK-NEXT: 100c: c0 f2 00 0c movt r12, #0 |
| // CHECK-NEXT: 1010: fc 44 add r12, pc |
| // CHECK-NEXT: 1012: 60 47 bx r12 |
| // CHECK: __ThumbV7PILongThunk_weakref: |
| // CHECK-NEXT: 1014: 40 f2 30 0c movw r12, #48 |
| // CHECK-NEXT: 1018: c0 f2 00 0c movt r12, #0 |
| // CHECK-NEXT: 101c: fc 44 add r12, pc |
| // CHECK-NEXT: 101e: 60 47 bx r12 |
| |
| // PLT: Disassembly of section .plt: |
| // PLT-NEXT: $a: |
| // PLT-NEXT: 1020: 04 e0 2d e5 str lr, [sp, #-4]! |
| // PLT-NEXT: 1024: 00 e6 8f e2 add lr, pc, #0, #12 |
| // PLT-NEXT: 1028: 00 ea 8e e2 add lr, lr, #0, #20 |
| // PLT-NEXT: 102c: dc ff be e5 ldr pc, [lr, #4060]! |
| // PLT: $d: |
| // PLT-NEXT: 1030: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // PLT-NEXT: 1034: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // PLT-NEXT: 1038: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // PLT-NEXT: 103c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // PLT: $a: |
| // PLT-NEXT: 1040: 00 c6 8f e2 add r12, pc, #0, #12 |
| // PLT-NEXT: 1044: 00 ca 8c e2 add r12, r12, #0, #20 |
| // PLT-NEXT: 1048: c4 ff bc e5 ldr pc, [r12, #4036]! |
| // PLT: $d: |
| // PLT-NEXT: 104c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // PLT: $a: |
| // PLT-NEXT: 1050: 00 c6 8f e2 add r12, pc, #0, #12 |
| // PLT-NEXT: 1054: 00 ca 8c e2 add r12, r12, #0, #20 |
| // PLT-NEXT: 1058: b8 ff bc e5 ldr pc, [r12, #4024]! |
| // PLT: $d: |
| // PLT-NEXT: 105c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| |
