| // REQUIRES: x86 |
| // RUN: llvm-mc -filetype=obj -triple=i686-pc-freebsd %S/Inputs/shared2-x86-64.s -o %t1.o |
| // RUN: ld.lld %t1.o --shared -o %t.so |
| // RUN: llvm-mc -filetype=obj -triple=i686-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) .rel.dyn { |
| // CHECK-NEXT: 0x401008 R_386_PLT32 bar |
| // CHECK-NEXT: 0x401003 R_386_PLT32 foo |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Section (5) .rel.plt { |
| // CHECK-NEXT: 0x40300C R_386_JUMP_SLOT bar2 |
| // CHECK-NEXT: 0x403010 R_386_JUMP_SLOT zed2 |
| // CHECK-NEXT: } |
| |
| // Check that ifunc call sites still require relocation |
| // DISASM: Disassembly of section .text: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401000 foo: |
| // DISASM-NEXT: 401000: retl |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401001 bar: |
| // DISASM-NEXT: 401001: retl |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401002 _start: |
| // DISASM-NEXT: 401002: calll -4 <_start+0x1> |
| // DISASM-NEXT: 401007: calll -4 <_start+0x6> |
| // DISASM-NEXT: 40100c: calll 31 <bar2@plt> |
| // DISASM-NEXT: 401011: calll 42 <zed2@plt> |
| // DISASM-EMPTY: |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401020 .plt: |
| // DISASM-NEXT: 401020: pushl 4206596 |
| // DISASM-NEXT: 401026: jmpl *4206600 |
| // DISASM-NEXT: 40102c: nop |
| // DISASM-NEXT: 40102d: nop |
| // DISASM-NEXT: 40102e: nop |
| // DISASM-NEXT: 40102f: nop |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401030 bar2@plt: |
| // DISASM-NEXT: 401030: jmpl *4206604 |
| // DISASM-NEXT: 401036: pushl $0 |
| // DISASM-NEXT: 40103b: jmp -32 <.plt> |
| // DISASM-EMPTY: |
| // DISASM-NEXT: 00401040 zed2@plt: |
| // DISASM-NEXT: 401040: jmpl *4206608 |
| // DISASM-NEXT: 401046: pushl $8 |
| // DISASM-NEXT: 40104b: 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@plt |
| call bar@plt |
| call bar2@plt |
| call zed2@plt |
