| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %S/Inputs/shared2.s -o %t1.o |
| // RUN: ld.lld %t1.o --shared -o %t.so |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %s -o %t.o |
| // RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout |
| // RUN: llvm-objdump -d %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 after the JUMP_SLOT in the plt |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (4) .rela.plt { |
| // CHECK: 0x220018 R_AARCH64_JUMP_SLOT bar2 0x0 |
| // CHECK-NEXT: 0x220020 R_AARCH64_JUMP_SLOT zed2 0x0 |
| // CHECK-NEXT: 0x220028 R_AARCH64_IRELATIVE - 0x210000 |
| // CHECK-NEXT: 0x220030 R_AARCH64_IRELATIVE - 0x210004 |
| // CHECK-NEXT: } |
| // CHECK-NEXT: ] |
| |
| // Check that .got.plt entries point back to PLT header |
| // GOTPLT: Contents of section .got.plt: |
| // GOTPLT-NEXT: 220000 00000000 00000000 00000000 00000000 |
| // GOTPLT-NEXT: 220010 00000000 00000000 20002100 00000000 |
| // GOTPLT-NEXT: 220020 20002100 00000000 20002100 00000000 |
| // GOTPLT-NEXT: 220030 20002100 00000000 |
| |
| // Check that the PLTRELSZ tag includes the IRELATIVE relocations |
| // CHECK: DynamicSection [ |
| // CHECK: 0x0000000000000002 PLTRELSZ 96 (bytes) |
| |
| // Check that a PLT header is written and the ifunc entries appear last |
| // DISASM: Disassembly of section .text: |
| // DISASM-NEXT: foo: |
| // DISASM-NEXT: 210000: {{.*}} ret |
| // DISASM: bar: |
| // DISASM-NEXT: 210004: {{.*}} ret |
| // DISASM: _start: |
| // DISASM-NEXT: 210008: {{.*}} bl #88 |
| // DISASM-NEXT: 21000c: {{.*}} bl #100 |
| // DISASM-NEXT: 210010: {{.*}} bl #48 |
| // DISASM-NEXT: 210014: {{.*}} bl #60 |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-NEXT: .plt: |
| // DISASM-NEXT: 210020: {{.*}} stp x16, x30, [sp, #-16]! |
| // DISASM-NEXT: 210024: {{.*}} adrp x16, #65536 |
| // DISASM-NEXT: 210028: {{.*}} ldr x17, [x16, #16] |
| // DISASM-NEXT: 21002c: {{.*}} add x16, x16, #16 |
| // DISASM-NEXT: 210030: {{.*}} br x17 |
| // DISASM-NEXT: 210034: {{.*}} nop |
| // DISASM-NEXT: 210038: {{.*}} nop |
| // DISASM-NEXT: 21003c: {{.*}} nop |
| // DISASM-EMPTY: |
| // DISASM-NEXT: bar2@plt: |
| // DISASM-NEXT: 210040: {{.*}} adrp x16, #65536 |
| // DISASM-NEXT: 210044: {{.*}} ldr x17, [x16, #24] |
| // DISASM-NEXT: 210048: {{.*}} add x16, x16, #24 |
| // DISASM-NEXT: 21004c: {{.*}} br x17 |
| // DISASM-EMPTY: |
| // DISASM-NEXT: zed2@plt: |
| // DISASM-NEXT: 210050: {{.*}} adrp x16, #65536 |
| // DISASM-NEXT: 210054: {{.*}} ldr x17, [x16, #32] |
| // DISASM-NEXT: 210058: {{.*}} add x16, x16, #32 |
| // DISASM-NEXT: 21005c: {{.*}} br x17 |
| // DISASM-NEXT: 210060: {{.*}} adrp x16, #65536 |
| // DISASM-NEXT: 210064: {{.*}} ldr x17, [x16, #40] |
| // DISASM-NEXT: 210068: {{.*}} add x16, x16, #40 |
| // DISASM-NEXT: 21006c: {{.*}} br x17 |
| // DISASM-NEXT: 210070: {{.*}} adrp x16, #65536 |
| // DISASM-NEXT: 210074: {{.*}} ldr x17, [x16, #48] |
| // DISASM-NEXT: 210078: {{.*}} add x16, x16, #48 |
| // DISASM-NEXT: 21007c: {{.*}} br x17 |
| |
| .text |
| .type foo STT_GNU_IFUNC |
| .globl foo |
| foo: |
| ret |
| |
| .type bar STT_GNU_IFUNC |
| .globl bar |
| bar: |
| ret |
| |
| .globl _start |
| _start: |
| bl foo |
| bl bar |
| bl bar2 |
| bl zed2 |
