| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %S/Inputs/arm-shared.s -o %t1.o |
| // RUN: ld.lld %t1.o --shared -soname=t.so -o %t.so |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %s -o %t.o |
| // RUN: ld.lld %t.so %t.o -o %tout |
| // RUN: llvm-objdump -triple=armv7a-linux-gnueabihf -d --no-show-raw-insn %tout | FileCheck %s --check-prefix=DISASM |
| // RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT |
| // RUN: llvm-readobj -r --dynamic-table %tout | FileCheck %s |
| |
| // Check that the IRELATIVE relocations are last in the .got |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (5) .rel.dyn { |
| // CHECK-NEXT: 0x122E0 R_ARM_GLOB_DAT bar2 0x0 |
| // CHECK-NEXT: 0x122E4 R_ARM_GLOB_DAT zed2 0x0 |
| // CHECK-NEXT: 0x122E8 R_ARM_IRELATIVE - 0x0 |
| // CHECK-NEXT: 0x122EC R_ARM_IRELATIVE - 0x0 |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Section (6) .rel.plt { |
| // CHECK-NEXT: 0x132FC R_ARM_JUMP_SLOT bar2 0x0 |
| // CHECK-NEXT: 0x13300 R_ARM_JUMP_SLOT zed2 0x0 |
| // CHECK-NEXT: } |
| // CHECK-NEXT: ] |
| |
| // Check that the GOT entries refer back to the ifunc resolver |
| // GOTPLT: Contents of section .got: |
| // GOTPLT-NEXT: 122e0 00000000 00000000 dc110100 e0110100 |
| // GOTPLT: Contents of section .got.plt: |
| // GOTPLT-NEXT: 132f0 00000000 00000000 00000000 00120100 |
| // GOTPLT-NEXT: 13300 00120100 |
| |
| // DISASM: Disassembly of section .text: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: foo: |
| // DISASM-NEXT: 111dc: bx lr |
| // DISASM: bar: |
| // DISASM-NEXT: 111e0: bx lr |
| // DISASM: _start: |
| // DISASM-NEXT: 111e4: bl #84 |
| // DISASM-NEXT: 111e8: bl #96 |
| // DISASM: $d.1: |
| // DISASM-NEXT: 111ec: 00 00 00 00 .word 0x00000000 |
| // DISASM-NEXT: 111f0: 04 00 00 00 .word 0x00000004 |
| // DISASM: 111f4: bl #36 |
| // DISASM-NEXT: 111f8: bl #48 |
| // DISASM-EMPTY: |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: $a: |
| // DISASM-NEXT: 11200: str lr, [sp, #-4]! |
| // DISASM-NEXT: 11204: add lr, pc, #0, #12 |
| // DISASM-NEXT: 11208: add lr, lr, #8192 |
| // DISASM-NEXT: 1120c: ldr pc, [lr, #236]! |
| // DISASM: $d: |
| // DISASM-NEXT: 11210: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM-NEXT: 11214: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM-NEXT: 11218: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM-NEXT: 1121c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11220: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11224: add r12, r12, #8192 |
| // DISASM-NEXT: 11228: ldr pc, [r12, #212]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1122c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11230: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11234: add r12, r12, #8192 |
| // DISASM-NEXT: 11238: ldr pc, [r12, #200]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1123c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11240: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11244: add r12, r12, #4096 |
| // DISASM-NEXT: 11248: ldr pc, [r12, #160]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1124c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11250: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11254: add r12, r12, #4096 |
| // DISASM-NEXT: 11258: ldr pc, [r12, #148]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1125c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| |
| .syntax unified |
| .text |
| .type foo STT_GNU_IFUNC |
| .globl foo |
| foo: |
| bx lr |
| |
| .type bar STT_GNU_IFUNC |
| .globl bar |
| bar: |
| bx lr |
| |
| .globl _start |
| _start: |
| bl foo |
| bl bar |
| // Create entries in the .got and .rel.dyn so that we don't just have |
| // IRELATIVE |
| .word bar2(got) |
| .word zed2(got) |
| bl bar2 |
| bl zed2 |
