| // REQUIRES: x86 |
| |
| /// Test -z ifunc-noplt. |
| |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-freebsd %S/Inputs/shared2-x86-64.s -o %t1.o |
| // RUN: ld.lld %t1.o --shared -soname=so -o %t.so |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-freebsd %s -o %t.o |
| // RUN: ld.lld -z ifunc-noplt -z notext --hash-style=sysv %t.so %t.o -o %tout |
| // RUN: llvm-objdump -d --no-show-raw-insn %tout | FileCheck %s --check-prefix=DISASM |
| // RUN: llvm-readobj -r --dynamic-table %tout | FileCheck %s |
| |
| // Check that we emitted relocations for the ifunc calls |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (4) .rela.dyn { |
| // CHECK-NEXT: 0x201008 R_X86_64_PLT32 bar 0xFFFFFFFFFFFFFFFC |
| // CHECK-NEXT: 0x201003 R_X86_64_PLT32 foo 0xFFFFFFFFFFFFFFFC |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Section (5) .rela.plt { |
| // CHECK-NEXT: 0x203018 R_X86_64_JUMP_SLOT bar2 0x0 |
| // CHECK-NEXT: 0x203020 R_X86_64_JUMP_SLOT zed2 0x0 |
| // CHECK-NEXT: } |
| |
| // Check that ifunc call sites still require relocation |
| // DISASM: Disassembly of section .text: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201000 foo: |
| // DISASM-NEXT: 201000: retq |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201001 bar: |
| // DISASM-NEXT: 201001: retq |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201002 _start: |
| // DISASM-NEXT: 201002: callq 0 <_start+0x5> |
| // DISASM-NEXT: 201007: callq 0 <_start+0xa> |
| // DISASM-NEXT: 20100c: callq 31 <bar2@plt> |
| // DISASM-NEXT: 201011: callq 42 <zed2@plt> |
| // DISASM-EMPTY: |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201020 .plt: |
| // DISASM-NEXT: 201020: pushq 8162(%rip) |
| // DISASM-NEXT: 201026: jmpq *8164(%rip) |
| // DISASM-NEXT: 20102c: nopl (%rax) |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201030 bar2@plt: |
| // DISASM-NEXT: 201030: jmpq *8162(%rip) |
| // DISASM-NEXT: 201036: pushq $0 |
| // DISASM-NEXT: 20103b: jmp -32 <.plt> |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 0000000000201040 zed2@plt: |
| // DISASM-NEXT: 201040: jmpq *8154(%rip) |
| // DISASM-NEXT: 201046: pushq $1 |
| // DISASM-NEXT: 20104b: jmp -48 <.plt> |
| |
| .text |
| .type foo STT_GNU_IFUNC |
| .globl foo |
| foo: |
| ret |
| |
| .type bar STT_GNU_IFUNC |
| .globl bar |
| bar: |
| ret |
| |
| .globl _start |
| _start: |
| call foo |
| call bar |
| call bar2 |
| call zed2 |
