| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o |
| // RUN: ld.lld -static %t.o -o %tout |
| // RUN: llvm-objdump -triple armv7a-none-linux-gnueabi -d %tout | FileCheck %s --check-prefix=DISASM |
| // RUN: llvm-readobj -r -symbols -sections %tout | 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: Name: .plt |
| // CHECK-NEXT: Type: SHT_PROGBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_EXECINSTR |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x11020 |
| // CHECK-NEXT: Offset: 0x1020 |
| // CHECK-NEXT: Size: 32 |
| // CHECK: Name: .got |
| // CHECK-NEXT: Type: SHT_PROGBITS |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: SHF_WRITE |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x12000 |
| // CHECK-NEXT: Offset: 0x2000 |
| // CHECK-NEXT: Size: 8 |
| // CHECK: Relocations [ |
| // CHECK-NEXT: Section (1) .rel.dyn { |
| // CHECK-NEXT: 0x12000 R_ARM_IRELATIVE |
| // CHECK-NEXT: 0x12004 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: 0x11008 |
| // 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: 0x11004 |
| // 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: 0x11000 |
| // 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-NEXT: foo: |
| // DISASM-NEXT: 11000: 1e ff 2f e1 bx lr |
| // DISASM: bar: |
| // DISASM-NEXT: 11004: 1e ff 2f e1 bx lr |
| // DISASM: _start: |
| // DISASM-NEXT: 11008: 04 00 00 eb bl #16 |
| // DISASM-NEXT: 1100c: 07 00 00 eb bl #28 |
| // 1 * 65536 + 244 = 0x100f4 __rel_iplt_start |
| // DISASM-NEXT: 11010: f4 00 00 e3 movw r0, #244 |
| // DISASM-NEXT: 11014: 01 00 40 e3 movt r0, #1 |
| // 1 * 65536 + 260 = 0x10104 __rel_iplt_end |
| // DISASM-NEXT: 11018: 04 01 00 e3 movw r0, #260 |
| // DISASM-NEXT: 1101c: 01 00 40 e3 movt r0, #1 |
| // DISASM-NEXT: Disassembly of section .plt: |
| // DISASM-NEXT: $a: |
| // DISASM-NEXT: 11020: 00 c6 8f e2 add r12, pc, #0, #12 |
| // DISASM-NEXT: 11024: 00 ca 8c e2 add r12, r12, #0, #20 |
| // DISASM-NEXT: 11028: d8 ff bc e5 ldr pc, [r12, #4056]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1102c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| // DISASM: $a: |
| // DISASM-NEXT: 11030: 00 c6 8f e2 add r12, pc, #0, #12 |
| // DISASM-NEXT: 11034: 00 ca 8c e2 add r12, r12, #0, #20 |
| // DISASM-NEXT: 11038: cc ff bc e5 ldr pc, [r12, #4044]! |
| // DISASM: $d: |
| // DISASM-NEXT: 1103c: d4 d4 d4 d4 .word 0xd4d4d4d4 |
| |