| // REQUIRES: arm |
| // RUN: llvm-mc -position-independent -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o |
| // RUN: ld.lld %t.o -shared -o %t |
| // RUN: llvm-readobj -s -symbols -dyn-relocations %t | FileCheck %s |
| // RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t | FileCheck -check-prefix=CODE %s |
| .syntax unified |
| .text |
| .globl _start |
| .align 2 |
| _start: |
| .type _start, %function |
| ldr r3, .LGOT |
| ldr r2, .LGOT+4 |
| .LPIC: |
| add r0, pc, r3 |
| bx lr |
| .align 2 |
| .LGOT: |
| // gas implicitly uses (R_ARM_BASE_PREL) for _GLOBAL_OFFSET_TABLE_ in PIC |
| // llvm-mc generates R_ARM_REL32, this will need updating when MC changes |
| .word _GLOBAL_OFFSET_TABLE_ - (.LPIC+8) |
| .word function(GOT) |
| |
| .globl function |
| .align 2 |
| function: |
| .type function, %function |
| bx lr |
| |
| // CHECK: Dynamic Relocations { |
| // CHECK-NEXT: 0x2048 R_ARM_GLOB_DAT function 0x0 |
| |
| // CHECK: Name: _GLOBAL_OFFSET_TABLE_ |
| // CHECK-NEXT: Value: 0x2048 |
| // CHECK-NEXT: Size: |
| // CHECK-NEXT: Binding: Local |
| // CHECK-NEXT: Type: None |
| // CHECK-NEXT: Other [ |
| // CHECK-NEXT: STV_HIDDEN |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Section: .got |
| |
| // CODE: Disassembly of section .text: |
| // CODE-NEXT: _start: |
| // CODE-NEXT: 1000: 08 30 9f e5 ldr r3, [pc, #8] |
| // CODE-NEXT: 1004: 08 20 9f e5 ldr r2, [pc, #8] |
| // CODE-NEXT: 1008: 03 00 8f e0 add r0, pc, r3 |
| // CODE-NEXT: 100c: 1e ff 2f e1 bx lr |
| // CODE:$d.1: |
| // (_GLOBAL_OFFSET_TABLE_ = 0x2048) - (0x1008 + 8) 0x1038 |
| // CODE-NEXT: 1010: 38 10 00 00 |
| // (Got(function) - GotBase = 0x0 |
| // CODE-NEXT: 1014: 00 00 00 00 |
