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 --no-show-raw-insn --triple=thumbv7a-none-linux-gnueabi %t.so | FileCheck %s 5 .syntax unified 6 .global sym1 7 .global elsewhere 8 .weak weakref 9sym1: 10 b.w elsewhere 11 b.w weakref 12 13 bl elsewhere 14 bl weakref 15 16// Check that we generate a thunk for an undefined symbol called via a plt 17// entry. 18 19// CHECK: Disassembly of section .text: 20// CHECK-EMPTY: 21// CHECK-NEXT: <sym1>: 22// CHECK-NEXT: 101e0: b.w #12 <__ThumbV7PILongThunk_elsewhere> 23// CHECK-NEXT: b.w #20 <__ThumbV7PILongThunk_weakref> 24// CHECK-NEXT: blx #68 25// CHECK-NEXT: blx #80 26// CHECK: <__ThumbV7PILongThunk_elsewhere>: 27// CHECK-NEXT: 101f0: movw r12, #52 28// CHECK-NEXT: movt r12, #0 29// CHECK-NEXT: add r12, pc 30// CHECK-NEXT: bx r12 31// CHECK: <__ThumbV7PILongThunk_weakref>: 32// CHECK-NEXT: 101fc: movw r12, #56 33// CHECK-NEXT: movt r12, #0 34// CHECK-NEXT: add r12, pc 35// CHECK-NEXT: bx r12 36 37// CHECK: Disassembly of section .plt: 38// CHECK-EMPTY: 39// CHECK-NEXT: <$a>: 40// CHECK-NEXT: 10210: str lr, [sp, #-4]! 41// CHECK-NEXT: add lr, pc, #0, #12 42// CHECK-NEXT: add lr, lr, #32 43// CHECK-NEXT: ldr pc, [lr, #148]! 44// CHECK: <$d>: 45// CHECK-NEXT: 10220: d4 d4 d4 d4 .word 0xd4d4d4d4 46// CHECK-NEXT: .word 0xd4d4d4d4 47// CHECK-NEXT: .word 0xd4d4d4d4 48// CHECK-NEXT: .word 0xd4d4d4d4 49// CHECK: <$a>: 50// CHECK-NEXT: 10230: add r12, pc, #0, #12 51// CHECK-NEXT: add r12, r12, #32 52// CHECK-NEXT: ldr pc, [r12, #124]! 53// CHECK: <$d>: 54// CHECK-NEXT: 1023c: d4 d4 d4 d4 .word 0xd4d4d4d4 55// CHECK: <$a>: 56// CHECK-NEXT: 10240: add r12, pc, #0, #12 57// CHECK-NEXT: add r12, r12, #32 58// CHECK-NEXT: ldr pc, [r12, #112]! 59// CHECK: <$d>: 60// CHECK-NEXT: 1024c: d4 d4 d4 d4 .word 0xd4d4d4d4 61