// 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 /// The default -z text is not compatible with -z ifunc-noplt. // RUN: not ld.lld -z ifunc-noplt %t.o -o /dev/null 2>&1| FileCheck --check-prefix=INCOMPATIBLE %s // RUN: not ld.lld -z ifunc-noplt -z text %t.o -o /dev/null 2>&1| FileCheck --check-prefix=INCOMPATIBLE %s // INCOMPATIBLE: -z text and -z ifunc-noplt may not be used together // 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 : // DISASM-NEXT: 201320: retq // DISASM-EMPTY: // DISASM-NEXT: 0000000000201321 : // DISASM-NEXT: 201321: retq // DISASM-EMPTY: // DISASM-NEXT: 0000000000201322 <_start>: // DISASM-NEXT: 201322: callq 0x201327 <_start+0x5> // DISASM-NEXT: 201327: callq 0x20132c <_start+0xa> // DISASM-NEXT: 20132c: callq 0x201350 // DISASM-NEXT: 201331: callq 0x201360 // 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 : // DISASM-NEXT: 201350: jmpq *8514(%rip) // DISASM-NEXT: 201356: pushq $0 // DISASM-NEXT: 20135b: jmp 0x201340 <.plt> // DISASM-EMPTY: // DISASM-NEXT: 0000000000201360 : // DISASM-NEXT: 201360: jmpq *8506(%rip) // DISASM-NEXT: 201366: pushq $1 // DISASM-NEXT: 20136b: jmp 0x201340 <.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