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 --no-print-imm-hex --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 .globl bar, foo 9 .type foo STT_GNU_IFUNC 10foo: 11 bx lr 12 13 .type bar STT_GNU_IFUNC 14bar: 15 bx lr 16 17 .globl _start 18_start: 19 bl foo 20 bl bar 21 movw r0,:lower16:__rel_iplt_start 22 movt r0,:upper16:__rel_iplt_start 23 movw r0,:lower16:__rel_iplt_end 24 movt r0,:upper16:__rel_iplt_end 25 26// CHECK: Sections [ 27// CHECK: Section { 28// CHECK: Section { 29// CHECK: Name: .rel.dyn 30// CHECK-NEXT: Type: SHT_REL 31// CHECK-NEXT: Flags [ 32// CHECK-NEXT: SHF_ALLOC 33// CHECK-NEXT: ] 34// CHECK-NEXT: Address: 0x100F4 35// CHECK-NEXT: Offset: 0xF4 36// CHECK-NEXT: Size: 16 37// CHECK-NEXT: Link: 38// CHECK-NEXT: Info: 0 39// CHECK: Name: .iplt 40// CHECK-NEXT: Type: SHT_PROGBITS 41// CHECK-NEXT: Flags [ 42// CHECK-NEXT: SHF_ALLOC 43// CHECK-NEXT: SHF_EXECINSTR 44// CHECK-NEXT: ] 45// CHECK-NEXT: Address: 0x20130 46// CHECK-NEXT: Offset: 0x130 47// CHECK-NEXT: Size: 32 48// CHECK: Index: 4 49// CHECK-NEXT: Name: .got 50// CHECK-NEXT: Type: SHT_PROGBITS 51// CHECK-NEXT: Flags [ 52// CHECK-NEXT: SHF_ALLOC 53// CHECK-NEXT: SHF_WRITE 54// CHECK-NEXT: ] 55// CHECK-NEXT: Address: 0x30150 56// CHECK-NEXT: Offset: 0x150 57// CHECK-NEXT: Size: 8 58// CHECK: Relocations [ 59// CHECK-NEXT: Section (1) .rel.dyn { 60// CHECK-NEXT: 0x30150 R_ARM_IRELATIVE 61// CHECK-NEXT: 0x30154 R_ARM_IRELATIVE 62// CHECK-NEXT: } 63// CHECK-NEXT: ] 64// CHECK: Name: __rel_iplt_start 65// CHECK-NEXT: Value: 0x100F4 66// CHECK-NEXT: Size: 0 67// CHECK-NEXT: Binding: Local 68// CHECK-NEXT: Type: None 69// CHECK-NEXT: Other [ 70// CHECK-NEXT: STV_HIDDEN 71// CHECK-NEXT: ] 72// CHECK-NEXT: Section: .rel.dyn 73// CHECK-NEXT: } 74// CHECK-NEXT: Symbol { 75// CHECK-NEXT: Name: __rel_iplt_end 76// CHECK-NEXT: Value: 0x10104 77// CHECK-NEXT: Size: 0 78// CHECK-NEXT: Binding: Local 79// CHECK-NEXT: Type: None 80// CHECK-NEXT: Other [ 81// CHECK-NEXT: STV_HIDDEN 82// CHECK-NEXT: ] 83// CHECK-NEXT: Section: .rel.dyn 84// CHECK-NEXT: } 85// CHECK-NEXT: Symbol { 86// CHECK-NEXT: Name: bar 87// CHECK-NEXT: Value: 0x20108 88// CHECK-NEXT: Size: 0 89// CHECK-NEXT: Binding: Global 90// CHECK-NEXT: Type: GNU_IFunc 91// CHECK-NEXT: Other: 0 92// CHECK-NEXT: Section: .text 93// CHECK-NEXT: } 94// CHECK-NEXT: Symbol { 95// CHECK-NEXT: Name: foo 96// CHECK-NEXT: Value: 0x20104 97// CHECK-NEXT: Size: 0 98// CHECK-NEXT: Binding: Global 99// CHECK-NEXT: Type: GNU_IFunc 100// CHECK-NEXT: Other: 0 101// CHECK-NEXT: Section: .text 102// CHECK-NEXT: } 103// CHECK-NEXT: Symbol { 104// CHECK-NEXT: Name: _start 105// CHECK-NEXT: Value: 0x2010C 106// CHECK-NEXT: Size: 0 107// CHECK-NEXT: Binding: Global 108// CHECK-NEXT: Type: None 109// CHECK-NEXT: Other: 110// CHECK-NEXT: Section: .text 111// CHECK-NEXT: } 112 113// DISASM: Disassembly of section .text: 114// DISASM-EMPTY: 115// DISASM-NEXT: <foo>: 116// DISASM-NEXT: 20104: bx lr 117// DISASM: <bar>: 118// DISASM-NEXT: 20108: bx lr 119// DISASM: <_start>: 120// DISASM-NEXT: 2010c: bl 0x20140 121// DISASM-NEXT: 20110: bl 0x20130 122// 1 * 65536 + 244 = 0x100f4 __rel_iplt_start 123// DISASM-NEXT: 20114: movw r0, #244 124// DISASM-NEXT: 20118: movt r0, #1 125// 1 * 65536 + 260 = 0x10104 __rel_iplt_end 126// DISASM-NEXT: 2011c: movw r0, #260 127// DISASM-NEXT: 20120: movt r0, #1 128// DISASM-EMPTY: 129// DISASM-NEXT: Disassembly of section .iplt: 130// DISASM-EMPTY: 131// DISASM-NEXT: <.iplt>: 132// DISASM-NEXT: 20130: add r12, pc, #0, #12 133// DISASM-NEXT: 20134: add r12, r12, #16 134// DISASM-NEXT: 20138: ldr pc, [r12, #24]! 135// DISASM-NEXT: 2013c: d4 d4 d4 d4 .word 0xd4d4d4d4 136// DISASM-NEXT: 20140: add r12, pc, #0, #12 137// DISASM-NEXT: 20144: add r12, r12, #16 138// DISASM-NEXT: 20148: ldr pc, [r12, #12]! 139// DISASM-NEXT: 2014c: d4 d4 d4 d4 .word 0xd4d4d4d4 140