// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %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-linux %s -o %t.o // RUN: ld.lld %t.so %t.o -o %tout // RUN: llvm-objdump -d %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 // REQUIRES: x86 // Check that the IRELATIVE relocations are after the JUMP_SLOT in the plt // CHECK: Relocations [ // CHECK-NEXT: Section (4) .rel.plt { // CHECK-NEXT: 0x1200C R_386_JUMP_SLOT bar2 // CHECK-NEXT: 0x12010 R_386_JUMP_SLOT zed2 // CHECK-NEXT: 0x12014 R_386_IRELATIVE // CHECK-NEXT: 0x12018 R_386_IRELATIVE // 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: 12000 00300100 00000000 00000000 36100100 // GOTPLT-NEXT: 12010 46100100 00100100 01100100 // Check that the PLTRELSZ tag includes the IRELATIVE relocations // CHECK: DynamicSection [ // CHECK: 0x00000002 PLTRELSZ 32 (bytes) // Check that a PLT header is written and the ifunc entries appear last // DISASM: Disassembly of section .text: // DISASM-NEXT: foo: // DISASM-NEXT: 11000: c3 retl // DISASM: bar: // DISASM-NEXT: 11001: c3 retl // DISASM: _start: // DISASM-NEXT: 11002: e8 49 00 00 00 calll 73 // DISASM-NEXT: 11007: e8 54 00 00 00 calll 84 // DISASM-NEXT: 1100c: e8 1f 00 00 00 calll 31 // DISASM-NEXT: 11011: e8 2a 00 00 00 calll 42 // DISASM-NEXT: Disassembly of section .plt: // DISASM-NEXT: .plt: // DISASM-NEXT: 11020: ff 35 04 20 01 00 pushl 73732 // DISASM-NEXT: 11026: ff 25 08 20 01 00 jmpl *73736 // DISASM-NEXT: 1102c: 90 nop // DISASM-NEXT: 1102d: 90 nop // DISASM-NEXT: 1102e: 90 nop // DISASM-NEXT: 1102f: 90 nop // DISASM-NEXT: 11030: ff 25 0c 20 01 00 jmpl *73740 // DISASM-NEXT: 11036: 68 00 00 00 00 pushl $0 // DISASM-NEXT: 1103b: e9 e0 ff ff ff jmp -32 <.plt> // DISASM-NEXT: 11040: ff 25 10 20 01 00 jmpl *73744 // DISASM-NEXT: 11046: 68 08 00 00 00 pushl $8 // DISASM-NEXT: 1104b: e9 d0 ff ff ff jmp -48 <.plt> // DISASM-NEXT: 11050: ff 25 14 20 01 00 jmpl *73748 // DISASM-NEXT: 11056: 68 30 00 00 00 pushl $48 // DISASM-NEXT: 1105b: e9 e0 ff ff ff jmp -32 <.plt+0x20> // DISASM-NEXT: 11060: ff 25 18 20 01 00 jmpl *73752 // DISASM-NEXT: 11066: 68 38 00 00 00 pushl $56 // DISASM-NEXT: 1106b: e9 d0 ff ff ff jmp -48 <.plt+0x20> .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