// 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