gnu-ifunc-noplt.s
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// 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: 0x201328 R_X86_64_PLT32 bar 0xFFFFFFFFFFFFFFFC
// CHECK-NEXT: 0x201323 R_X86_64_PLT32 foo 0xFFFFFFFFFFFFFFFC
// CHECK-NEXT: }
// CHECK-NEXT: Section (5) .rela.plt {
// CHECK-NEXT: 0x203498 R_X86_64_JUMP_SLOT bar2 0x0
// CHECK-NEXT: 0x2034A0 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: 0000000000201320 foo:
// DISASM-NEXT: 201320: retq
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000201321 bar:
// DISASM-NEXT: 201321: retq
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000201322 _start:
// DISASM-NEXT: 201322: callq 0 <_start+0x5>
// DISASM-NEXT: 201327: callq 0 <_start+0xa>
// DISASM-NEXT: 20132c: callq 31 <bar2@plt>
// DISASM-NEXT: 201331: callq 42 <zed2@plt>
// DISASM-EMPTY:
// DISASM-NEXT: Disassembly of section .plt:
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000201340 .plt:
// DISASM-NEXT: 201340: pushq 8514(%rip)
// DISASM-NEXT: 201346: jmpq *8516(%rip)
// DISASM-NEXT: 20134c: nopl (%rax)
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000201350 bar2@plt:
// DISASM-NEXT: 201350: jmpq *8514(%rip)
// DISASM-NEXT: 201356: pushq $0
// DISASM-NEXT: 20135b: jmp -32 <.plt>
// DISASM-EMPTY:
// DISASM-NEXT: 0000000000201360 zed2@plt:
// DISASM-NEXT: 201360: jmpq *8506(%rip)
// DISASM-NEXT: 201366: pushq $1
// DISASM-NEXT: 20136b: 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