1// REQUIRES: arm 2// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o 3// RUN: ld.lld %t.o -o %t 4// RUN: llvm-objdump --triple=armv7a-none-linux-gnueabi -d --no-show-raw-insn %t | FileCheck %s --check-prefix=DISASM 5// RUN: llvm-readobj -r --symbols --sections %t | FileCheck %s 6 .syntax unified 7 .text 8 .type foo STT_GNU_IFUNC 9 .globl foo 10foo: 11 bx lr 12 13 .type bar STT_GNU_IFUNC 14 .globl bar 15bar: 16 bx lr 17 18 .globl _start 19_start: 20 bl foo 21 bl bar 22 movw r0,:lower16:__rel_iplt_start 23 movt r0,:upper16:__rel_iplt_start 24 movw r0,:lower16:__rel_iplt_end 25 movt r0,:upper16:__rel_iplt_end 26 27// CHECK: Sections [ 28// CHECK: Section { 29// CHECK: Section { 30// CHECK: Name: .rel.dyn 31// CHECK-NEXT: Type: SHT_REL 32// CHECK-NEXT: Flags [ 33// CHECK-NEXT: SHF_ALLOC 34// CHECK-NEXT: SHF_INFO_LINK 35// CHECK-NEXT: ] 36// CHECK-NEXT: Address: 0x100F4 37// CHECK-NEXT: Offset: 0xF4 38// CHECK-NEXT: Size: 16 39// CHECK-NEXT: Link: 40// CHECK-NEXT: Info: 4 41// CHECK: Name: .iplt 42// CHECK-NEXT: Type: SHT_PROGBITS 43// CHECK-NEXT: Flags [ 44// CHECK-NEXT: SHF_ALLOC 45// CHECK-NEXT: SHF_EXECINSTR 46// CHECK-NEXT: ] 47// CHECK-NEXT: Address: 0x20130 48// CHECK-NEXT: Offset: 0x130 49// CHECK-NEXT: Size: 32 50// CHECK: Index: 4 51// CHECK-NEXT: Name: .got 52// CHECK-NEXT: Type: SHT_PROGBITS 53// CHECK-NEXT: Flags [ 54// CHECK-NEXT: SHF_ALLOC 55// CHECK-NEXT: SHF_WRITE 56// CHECK-NEXT: ] 57// CHECK-NEXT: Address: 0x30150 58// CHECK-NEXT: Offset: 0x150 59// CHECK-NEXT: Size: 8 60// CHECK: Relocations [ 61// CHECK-NEXT: Section (1) .rel.dyn { 62// CHECK-NEXT: 0x30150 R_ARM_IRELATIVE 63// CHECK-NEXT: 0x30154 R_ARM_IRELATIVE 64// CHECK-NEXT: } 65// CHECK-NEXT: ] 66// CHECK: Symbol { 67// CHECK: Name: __rel_iplt_end 68// CHECK-NEXT: Value: 0x10104 69// CHECK-NEXT: Size: 0 70// CHECK-NEXT: Binding: Local 71// CHECK-NEXT: Type: None 72// CHECK-NEXT: Other [ 73// CHECK-NEXT: STV_HIDDEN 74// CHECK-NEXT: ] 75// CHECK-NEXT: Section: .rel.dyn 76// CHECK-NEXT: } 77// CHECK-NEXT: Symbol { 78// CHECK-NEXT: Name: __rel_iplt_start 79// CHECK-NEXT: Value: 0x100F4 80// CHECK-NEXT: Size: 0 81// CHECK-NEXT: Binding: Local 82// CHECK-NEXT: Type: None 83// CHECK-NEXT: Other [ 84// CHECK-NEXT: STV_HIDDEN 85// CHECK-NEXT: ] 86// CHECK-NEXT: Section: .rel.dyn 87// CHECK-NEXT: } 88// CHECK-NEXT: Symbol { 89// CHECK-NEXT: Name: _start 90// CHECK-NEXT: Value: 0x2010C 91// CHECK-NEXT: Size: 0 92// CHECK-NEXT: Binding: Global 93// CHECK-NEXT: Type: None 94// CHECK-NEXT: Other: 95// CHECK-NEXT: Section: .text 96// CHECK-NEXT: } 97// CHECK-NEXT: Symbol { 98// CHECK-NEXT: Name: bar 99// CHECK-NEXT: Value: 0x20108 100// CHECK-NEXT: Size: 0 101// CHECK-NEXT: Binding: Global 102// CHECK-NEXT: Type: GNU_IFunc 103// CHECK-NEXT: Other: 0 104// CHECK-NEXT: Section: .text 105// CHECK-NEXT: } 106// CHECK-NEXT: Symbol { 107// CHECK-NEXT: Name: foo 108// CHECK-NEXT: Value: 0x20104 109// CHECK-NEXT: Size: 0 110// CHECK-NEXT: Binding: Global 111// CHECK-NEXT: Type: GNU_IFunc 112// CHECK-NEXT: Other: 0 113// CHECK-NEXT: Section: .text 114// CHECK-NEXT: } 115 116// DISASM: Disassembly of section .text: 117// DISASM-EMPTY: 118// DISASM-NEXT: <foo>: 119// DISASM-NEXT: 20104: bx lr 120// DISASM: <bar>: 121// DISASM-NEXT: 20108: bx lr 122// DISASM: <_start>: 123// DISASM-NEXT: 2010c: bl #28 124// DISASM-NEXT: 20110: bl #40 125// 1 * 65536 + 244 = 0x100f4 __rel_iplt_start 126// DISASM-NEXT: 20114: movw r0, #244 127// DISASM-NEXT: 20118: movt r0, #1 128// 1 * 65536 + 260 = 0x10104 __rel_iplt_end 129// DISASM-NEXT: 2011c: movw r0, #260 130// DISASM-NEXT: 20120: movt r0, #1 131// DISASM-EMPTY: 132// DISASM-NEXT: Disassembly of section .iplt: 133// DISASM-EMPTY: 134// DISASM-NEXT: <$a>: 135// DISASM-NEXT: 20130: add r12, pc, #0, #12 136// DISASM-NEXT: 20134: add r12, r12, #16 137// DISASM-NEXT: 20138: ldr pc, [r12, #24]! 138// DISASM: <$d>: 139// DISASM-NEXT: 2013c: d4 d4 d4 d4 .word 0xd4d4d4d4 140// DISASM: <$a>: 141// DISASM-NEXT: 20140: add r12, pc, #0, #12 142// DISASM-NEXT: 20144: add r12, r12, #16 143// DISASM-NEXT: 20148: ldr pc, [r12, #12]! 144// DISASM: <$d>: 145// DISASM-NEXT: 2014c: d4 d4 d4 d4 .word 0xd4d4d4d4 146 147