| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o |
| // RUN: ld.lld %t.o -o %t |
| // RUN: llvm-objdump --triple=armv7a-none-linux-gnueabi -d --no-show-raw-insn %t | FileCheck %s --check-prefix=DISASM |
| // RUN: llvm-readobj -r --symbols --sections %t | FileCheck %s |
| .syntax unified |
| .text |
| .globl bar, foo |
| .type foo STT_GNU_IFUNC |
| foo: |
| bx lr |
| |
| .type bar STT_GNU_IFUNC |
| bar: |
| bx lr |
| |
| .globl _start |
| _start: |
| bl foo |
| bl bar |
| movw r0,:lower16:__rel_iplt_start |
| movt r0,:upper16:__rel_iplt_start |
| movw r0,:lower16:__rel_iplt_end |
| movt r0,:upper16:__rel_iplt_end |
| |
| // CHECK: Sections [ |
| // CHECK: Section { |
| // CHECK: Section { |
| // CHECK: Name: .rel.dyn |
| // CHECK-NEXT: Type: SHT_REL |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_INFO_LINK |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x100F4 |
| // CHECK-NEXT: Offset: 0xF4 |
| // CHECK-NEXT: Size: 16 |
| // CHECK-NEXT: Link: |
| // CHECK-NEXT: Info: 4 |
| // CHECK: Name: .iplt |
| // CHECK-NEXT: Type: SHT_PROGBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_EXECINSTR |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x20130 |
| // CHECK-NEXT: Offset: 0x130 |
| // CHECK-NEXT: Size: 32 |
| // CHECK: Index: 4 |
| // CHECK-NEXT: Name: .got |
| // CHECK-NEXT: Type: SHT_PROGBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_WRITE |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x30150 |
| // CHECK-NEXT: Offset: 0x150 |
| // CHECK-NEXT: Size: 8 |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (1) .rel.dyn { |
| // CHECK-NEXT: 0x30150 R_ARM_IRELATIVE |
| // CHECK-NEXT: 0x30154 R_ARM_IRELATIVE |
| // CHECK-NEXT: } |
| // CHECK-NEXT: ] |
| // CHECK: Name: __rel_iplt_start |
| // CHECK-NEXT: Value: 0x100F4 |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Local |
| // CHECK-NEXT: Type: None |
| // CHECK-NEXT: Other [ |
| // CHECK-NEXT: STV_HIDDEN |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Section: .rel.dyn |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Symbol { |
| // CHECK-NEXT: Name: __rel_iplt_end |
| // CHECK-NEXT: Value: 0x10104 |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Local |
| // CHECK-NEXT: Type: None |
| // CHECK-NEXT: Other [ |
| // CHECK-NEXT: STV_HIDDEN |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Section: .rel.dyn |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Symbol { |
| // CHECK-NEXT: Name: bar |
| // CHECK-NEXT: Value: 0x20108 |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: GNU_IFunc |
| // CHECK-NEXT: Other: 0 |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Symbol { |
| // CHECK-NEXT: Name: foo |
| // CHECK-NEXT: Value: 0x20104 |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: GNU_IFunc |
| // CHECK-NEXT: Other: 0 |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Symbol { |
| // CHECK-NEXT: Name: _start |
| // CHECK-NEXT: Value: 0x2010C |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: None |
| // CHECK-NEXT: Other: |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: } |
| |
| // DISASM: Disassembly of section .text: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: <foo>: |
| // DISASM-NEXT: 20104: bx lr |
| // DISASM: <bar>: |
| // DISASM-NEXT: 20108: bx lr |
| // DISASM: <_start>: |
| // DISASM-NEXT: 2010c: bl 0x20140 |
| // DISASM-NEXT: 20110: bl 0x20130 |
| // 1 * 65536 + 244 = 0x100f4 __rel_iplt_start |
| // DISASM-NEXT: 20114: movw r0, #244 |
| // DISASM-NEXT: 20118: movt r0, #1 |
| // 1 * 65536 + 260 = 0x10104 __rel_iplt_end |
| // DISASM-NEXT: 2011c: movw r0, #260 |
| // DISASM-NEXT: 20120: movt r0, #1 |
| // DISASM-EMPTY: |
| // DISASM-NEXT: Disassembly of section .iplt: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: <$a>: |
| // DISASM-NEXT: 20130: add r12, pc, #0, #12 |
| // DISASM-NEXT: 20134: add r12, r12, #16 |
| // DISASM-NEXT: 20138: ldr pc, [r12, #24]! |
| // DISASM: <$d>: |
| // DISASM-NEXT: 2013c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: <$a>: |
| // DISASM-NEXT: 20140: add r12, pc, #0, #12 |
| // DISASM-NEXT: 20144: add r12, r12, #16 |
| // DISASM-NEXT: 20148: ldr pc, [r12, #12]! |
| // DISASM: <$d>: |
| // DISASM-NEXT: 2014c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
