| // 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 |
| .type foo STT_GNU_IFUNC |
| .globl foo |
| foo: |
| bx lr |
| |
| .type bar STT_GNU_IFUNC |
| .globl bar |
| 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: ] |
| // CHECK-NEXT: Address: 0x100F4 |
| // CHECK-NEXT: Offset: 0xF4 |
| // CHECK-NEXT: Size: 16 |
| // CHECK-NEXT: Link: |
| // CHECK-NEXT: Info: 4 |
| // CHECK: Name: .plt |
| // CHECK-NEXT: Type: SHT_PROGBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_EXECINSTR |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x11130 |
| // 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: 0x12150 |
| // CHECK-NEXT: Offset: 0x150 |
| // CHECK-NEXT: Size: 8 |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (1) .rel.dyn { |
| // CHECK-NEXT: 0x12150 R_ARM_IRELATIVE |
| // CHECK-NEXT: 0x12154 R_ARM_IRELATIVE |
| // CHECK-NEXT: } |
| // CHECK-NEXT: ] |
| // CHECK: Symbol { |
| // CHECK: 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: __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: _start |
| // CHECK-NEXT: Value: 0x1110C |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: None |
| // CHECK-NEXT: Other: |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Symbol { |
| // CHECK-NEXT: Name: bar |
| // CHECK-NEXT: Value: 0x11108 |
| // 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: 0x11104 |
| // CHECK-NEXT: Size: 0 |
| // CHECK-NEXT: Binding: Global |
| // CHECK-NEXT: Type: GNU_IFunc |
| // CHECK-NEXT: Other: 0 |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: } |
| |
| // DISASM: Disassembly of section .text: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: foo: |
| // DISASM-NEXT: 11104: bx lr |
| // DISASM: bar: |
| // DISASM-NEXT: 11108: bx lr |
| // DISASM: _start: |
| // DISASM-NEXT: 1110c: bl #28 |
| // DISASM-NEXT: 11110: bl #40 |
| // 1 * 65536 + 244 = 0x100f4 __rel_iplt_start |
| // DISASM-NEXT: 11114: movw r0, #244 |
| // DISASM-NEXT: 11118: movt r0, #1 |
| // 1 * 65536 + 260 = 0x10104 __rel_iplt_end |
| // DISASM-NEXT: 1111c: movw r0, #260 |
| // DISASM-NEXT: 11120: movt r0, #1 |
| // DISASM-EMPTY: |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-EMPTY: |
| // DISASM-NEXT: $a: |
| // DISASM-NEXT: 11130: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11134: add r12, r12, #4096 |
| // DISASM-NEXT: 11138: ldr pc, [r12, #24]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1113c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11140: add r12, pc, #0, #12 |
| // DISASM-NEXT: 11144: add r12, r12, #4096 |
| // DISASM-NEXT: 11148: ldr pc, [r12, #12]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1114c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| |