1// REQUIRES: arm 2// RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %S/Inputs/arm-shared.s -o %t1.o 3// RUN: ld.lld %t1.o --shared -soname=t.so -o %t.so 4// RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %s -o %t.o 5// RUN: ld.lld %t.so %t.o -o %tout 6// RUN: llvm-objdump --triple=armv7a-linux-gnueabihf -d --no-show-raw-insn %tout | FileCheck %s --check-prefix=DISASM 7// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT 8// RUN: llvm-readobj -r --dynamic-table %tout | FileCheck %s 9 10// Check that the IRELATIVE relocations are last in the .got 11// CHECK: Relocations [ 12// CHECK-NEXT: Section (5) .rel.dyn { 13// CHECK-NEXT: 0x302E0 R_ARM_GLOB_DAT bar2 0x0 14// CHECK-NEXT: 0x302E4 R_ARM_GLOB_DAT zed2 0x0 15// CHECK-NEXT: 0x302E8 R_ARM_IRELATIVE - 0x0 16// CHECK-NEXT: 0x302EC R_ARM_IRELATIVE - 0x0 17// CHECK-NEXT: } 18// CHECK-NEXT: Section (6) .rel.plt { 19// CHECK-NEXT: 0x402FC R_ARM_JUMP_SLOT bar2 0x0 20// CHECK-NEXT: 0x40300 R_ARM_JUMP_SLOT zed2 0x0 21// CHECK-NEXT: } 22// CHECK-NEXT: ] 23 24// Check that the GOT entries refer back to the ifunc resolver 25// GOTPLT: Contents of section .got: 26// GOTPLT-NEXT: 302e0 00000000 00000000 dc010200 e0010200 27// GOTPLT: Contents of section .got.plt: 28// GOTPLT-NEXT: 402f0 00000000 00000000 00000000 00020200 29// GOTPLT-NEXT: 40300 00020200 30 31// DISASM: Disassembly of section .text: 32// DISASM-EMPTY: 33// DISASM-NEXT: <foo>: 34// DISASM-NEXT: 201dc: bx lr 35// DISASM: <bar>: 36// DISASM-NEXT: 201e0: bx lr 37// DISASM: <_start>: 38// DISASM-NEXT: 201e4: bl #84 39// DISASM-NEXT: 201e8: bl #96 40// DISASM: <$d.1>: 41// DISASM-NEXT: 201ec: 00 00 00 00 .word 0x00000000 42// DISASM-NEXT: 201f0: 04 00 00 00 .word 0x00000004 43// DISASM: 201f4: bl #36 44// DISASM-NEXT: 201f8: bl #48 45// DISASM-EMPTY: 46// DISASM-NEXT: Disassembly of section .plt: 47// DISASM-EMPTY: 48// DISASM-NEXT: <$a>: 49// DISASM-NEXT: 20200: str lr, [sp, #-4]! 50// DISASM-NEXT: 20204: add lr, pc, #0, #12 51// DISASM-NEXT: 20208: add lr, lr, #32 52// DISASM-NEXT: 2020c: ldr pc, [lr, #236]! 53// DISASM: <$d>: 54// DISASM-NEXT: 20210: d4 d4 d4 d4 .word 0xd4d4d4d4 55// DISASM-NEXT: 20214: d4 d4 d4 d4 .word 0xd4d4d4d4 56// DISASM-NEXT: 20218: d4 d4 d4 d4 .word 0xd4d4d4d4 57// DISASM-NEXT: 2021c: d4 d4 d4 d4 .word 0xd4d4d4d4 58// DISASM: <$a>: 59// DISASM-NEXT: 20220: add r12, pc, #0, #12 60// DISASM-NEXT: 20224: add r12, r12, #32 61// DISASM-NEXT: 20228: ldr pc, [r12, #212]! 62// DISASM: <$d>: 63// DISASM-NEXT: 2022c: d4 d4 d4 d4 .word 0xd4d4d4d4 64// DISASM: <$a>: 65// DISASM-NEXT: 20230: add r12, pc, #0, #12 66// DISASM-NEXT: 20234: add r12, r12, #32 67// DISASM-NEXT: 20238: ldr pc, [r12, #200]! 68// DISASM: <$d>: 69// DISASM-NEXT: 2023c: d4 d4 d4 d4 .word 0xd4d4d4d4 70// DISASM: <$a>: 71// DISASM-NEXT: 20240: add r12, pc, #0, #12 72// DISASM-NEXT: 20244: add r12, r12, #16 73// DISASM-NEXT: 20248: ldr pc, [r12, #160]! 74// DISASM: <$d>: 75// DISASM-NEXT: 2024c: d4 d4 d4 d4 .word 0xd4d4d4d4 76// DISASM: <$a>: 77// DISASM-NEXT: 20250: add r12, pc, #0, #12 78// DISASM-NEXT: 20254: add r12, r12, #16 79// DISASM-NEXT: 20258: ldr pc, [r12, #148]! 80// DISASM: <$d>: 81// DISASM-NEXT: 2025c: d4 d4 d4 d4 .word 0xd4d4d4d4 82 83.syntax unified 84.text 85.type foo STT_GNU_IFUNC 86.globl foo 87foo: 88 bx lr 89 90.type bar STT_GNU_IFUNC 91.globl bar 92bar: 93 bx lr 94 95.globl _start 96_start: 97 bl foo 98 bl bar 99 // Create entries in the .got and .rel.dyn so that we don't just have 100 // IRELATIVE 101 .word bar2(got) 102 .word zed2(got) 103 bl bar2 104 bl zed2 105