| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %p/Inputs/relocation-copy-arm.s -o %t2.o |
| // RUN: ld.lld -shared %t2.o -o %t2.so |
| // RUN: ld.lld %t.o %t2.so -o %t3 |
| // RUN: llvm-readobj -s -r --expand-relocs -symbols %t3 | FileCheck %s |
| // RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t3 | FileCheck -check-prefix=CODE %s |
| // RUN: llvm-objdump -s -triple=armv7a-none-linux-gnueabi -section=.rodata %t3 | FileCheck -check-prefix=RODATA %s |
| |
| // Copy relocations R_ARM_COPY are required for y and z |
| .syntax unified |
| .text |
| .globl _start |
| _start: |
| movw r2,:lower16: y |
| movt r2,:upper16: y |
| ldr r3,[pc,#4] |
| ldr r3,[r3,#0] |
| .rodata |
| .word z |
| |
| // CHECK: Name: .bss |
| // CHECK-NEXT: Type: SHT_NOBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_WRITE |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x13000 |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 8 |
| // CHECK-NEXT: Link: |
| // CHECK-NEXT: Info: |
| // CHECK-NEXT: AddressAlignment: 16 |
| |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (5) .rel.dyn { |
| // CHECK-NEXT: Relocation { |
| // CHECK-NEXT: Offset: 0x13000 |
| // CHECK-NEXT: Type: R_ARM_COPY |
| // CHECK-NEXT: Symbol: y |
| // CHECK-NEXT: Addend: 0x0 |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Relocation { |
| // CHECK-NEXT: Offset: 0x13004 |
| // CHECK-NEXT: Type: R_ARM_COPY |
| // CHECK-NEXT: Symbol: z |
| // CHECK-NEXT: Addend: 0x0 |
| // CHECK-NEXT: } |
| // CHECK-NEXT: } |
| |
| // CHECK: Symbols [ |
| // CHECK: Name: y |
| // CHECK-NEXT: Value: 0x13000 |
| // CHECK-NEXT: Size: 4 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: Object |
| // CHECK-NEXT: Other: |
| // CHECK-NEXT: Section: .bss |
| // CHECK: Name: z |
| // CHECK-NEXT: Value: 0x13004 |
| // CHECK-NEXT: Size: 4 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: Object |
| // CHECK-NEXT: Other: 0 |
| // CHECK-NEXT: Section: .bss |
| |
| // CODE: Disassembly of section .text: |
| // CODE-NEXT: _start: |
| // S(y) = 0x13000, A = 0 |
| // (S + A) & 0x0000ffff = 0x3000 = #12288 |
| // CODE-NEXT: 11000: 00 20 03 e3 movw r2, #12288 |
| // S(y) = 0x13000, A = 0 |
| // ((S + A) & 0xffff0000) >> 16 = 0x1 |
| // CODE-NEXT: 11004: 01 20 40 e3 movt r2, #1 |
| // CODE-NEXT: 11008: 04 30 9f e5 ldr r3, [pc, #4] |
| // CODE-NEXT: 1100c: 00 30 93 e5 ldr r3, [r3] |
| |
| |
| // RODATA: Contents of section .rodata: |
| // S(z) = 0x13004 |
| // RODATA-NEXT: 10114 04300100 |
