// REQUIRES: x86 // RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %S/Inputs/shared2-x86-64.s -o %t1.o // RUN: ld.lld %t1.o --shared --soname=t.so -o %t.so // RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o // RUN: ld.lld --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-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) .rel.dyn { // CHECK-NEXT: 0x4032AC R_386_IRELATIVE // CHECK-NEXT: 0x4032B0 R_386_IRELATIVE // CHECK-NEXT: } // CHECK-NEXT: Section (5) .rel.plt { // CHECK-NEXT: 0x4032A4 R_386_JUMP_SLOT bar2 // CHECK-NEXT: 0x4032A8 R_386_JUMP_SLOT zed2 // CHECK-NEXT: } // Check that IRELATIVE .got.plt entries point to ifunc resolver and not // back to the plt entry + 6. // GOTPLT: Contents of section .got.plt: // GOTPLT: 403298 20224000 00000000 00000000 e6114000 // GOTPLT-NEXT: 4032a8 f6114000 b4114000 b5114000 // Check that the PLTRELSZ tag does not include the IRELATIVE relocations // CHECK: DynamicSection [ // CHECK: 0x00000012 RELSZ 16 (bytes) // CHECK: 0x00000002 PLTRELSZ 16 (bytes) // Check that a PLT header is written and the ifunc entries appear last // DISASM: Disassembly of section .text: // DISASM-EMPTY: // DISASM-NEXT: foo: // DISASM-NEXT: 4011b4: retl // DISASM: bar: // DISASM-NEXT: 4011b5: retl // DISASM: _start: // DISASM-NEXT: 4011b6: calll 69 // DISASM-NEXT: calll 80 // DISASM-NEXT: calll 27 // DISASM-NEXT: calll 38 // DISASM-EMPTY: // DISASM-NEXT: Disassembly of section .plt: // DISASM-EMPTY: // DISASM-NEXT: .plt: // DISASM-NEXT: 4011d0: pushl 4207260 // DISASM-NEXT: jmpl *4207264 // DISASM-NEXT: nop // DISASM-NEXT: nop // DISASM-NEXT: nop // DISASM-NEXT: nop // DISASM-EMPTY: // DISASM-NEXT: bar2@plt: // DISASM-NEXT: 4011e0: jmpl *4207268 // DISASM-NEXT: pushl $0 // DISASM-NEXT: jmp -32 <.plt> // DISASM-EMPTY: // DISASM-NEXT: zed2@plt: // DISASM-NEXT: 4011f0: jmpl *4207272 // DISASM-NEXT: pushl $8 // DISASM-NEXT: jmp -48 <.plt> // DISASM-EMPTY: // DISASM-NEXT: Disassembly of section .iplt: // DISASM-EMPTY: // DISASM-NEXT: .iplt: // DISASM-NEXT: jmpl *4207276 // DISASM-NEXT: pushl $0 // DISASM-NEXT: jmp -64 <.plt> // DISASM-NEXT: jmpl *4207280 // DISASM-NEXT: pushl $8 // DISASM-NEXT: jmp -80 <.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