| // RUN: llvm-mc -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 |
| // REQUIRES: arm |
| .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: 1000: 00 f0 02 b8 b.w #4 |
| // CHECK-NEXT: 1004: 00 f0 06 b8 b.w #12 |
| // CHECK-NEXT: 1008: 40 f2 20 0c movw r12, #32 |
| // 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-NEXT: 1014: 40 f2 24 0c movw r12, #36 |
| // 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: .plt: |
| // PLT: 1020: 04 e0 2d e5 str lr, [sp, #-4]! |
| // PLT-NEXT: 1024: 04 e0 9f e5 ldr lr, [pc, #4] |
| // PLT-NEXT: 1028: 0e e0 8f e0 add lr, pc, lr |
| // PLT-NEXT: 102c: 08 f0 be e5 ldr pc, [lr, #8]! |
| // PLT-NEXT: 1030: d0 0f 00 00 |
| // PLT-NEXT: 1034: 04 c0 9f e5 ldr r12, [pc, #4] |
| // PLT-NEXT: 1038: 0f c0 8c e0 add r12, r12, pc |
| // PLT-NEXT: 103c: 00 f0 9c e5 ldr pc, [r12] |
| // PLT-NEXT: 1040: cc 0f 00 00 |
| // PLT-NEXT: 1044: 04 c0 9f e5 ldr r12, [pc, #4] |
| // PLT-NEXT: 1048: 0f c0 8c e0 add r12, r12, pc |
| // PLT-NEXT: 104c: 00 f0 9c e5 ldr pc, [r12] |
| // PLT-NEXT: 1050: c0 0f 00 00 |