| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %S/Inputs/arm-exidx-cantunwind.s -o %tcantunwind |
| // Check that relocatable link maintains SHF_LINK_ORDER |
| // RUN: ld.lld -r %t %tcantunwind -o %t4 |
| // RUN: llvm-readobj -S %t4 | FileCheck %s |
| |
| // Each assembler created .ARM.exidx section has the SHF_LINK_ORDER flag set |
| // with the sh_link containing the section index of the executable section |
| // containing the function it describes. To maintain this property in |
| // relocatable links we pass through the .ARM.exidx section, the section it |
| // it has a sh_link to, and the associated relocation sections uncombined. |
| |
| .syntax unified |
| .section .text, "ax",%progbits |
| .globl _start |
| _start: |
| .fnstart |
| bx lr |
| .cantunwind |
| .fnend |
| |
| .section .text.f1, "ax", %progbits |
| .globl f1 |
| f1: |
| .fnstart |
| bx lr |
| .cantunwind |
| .fnend |
| |
| .section .text.f2, "ax", %progbits |
| .globl f2 |
| f2: |
| .fnstart |
| bx lr |
| .cantunwind |
| .fnend |
| .globl f3 |
| f3: |
| .fnstart |
| bx lr |
| .cantunwind |
| .fnend |
| |
| // CHECK: Index: 1 |
| // CHECK-NEXT: Name: .text |
| |
| // CHECK: Name: .ARM.exidx |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 24 |
| // CHECK-NEXT: Link: 1 |
| |
| |
| // CHECK: Index: 4 |
| // CHECK-NEXT: Name: .text.f1 |
| |
| // CHECK: Name: .ARM.exidx.text.f1 |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 8 |
| // CHECK-NEXT: Link: 4 |
| |
| |
| // CHECK: Index: 7 |
| // CHECK-NEXT: Name: .text.f2 |
| |
| // CHECK: Name: .ARM.exidx.text.f2 |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 16 |
| // CHECK-NEXT: Link: 7 |
| |
| |
| // CHECK: Index: 10 |
| // CHECK-NEXT: Name: .func1 |
| |
| // CHECK: Name: .ARM.exidx.func1 |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 8 |
| // CHECK-NEXT: Link: 10 |
| |
| |
| // CHECK: Index: 13 |
| // CHECK-NEXT: Name: .func2 |
| |
| // CHECK: Name: .ARM.exidx.func2 |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 8 |
| // CHECK-NEXT: Link: 13 |
| |
| |
| // CHECK: Index: 16 |
| // CHECK-NEXT: Name: .func3 |
| |
| // CHECK: Name: .ARM.exidx.func3 |
| // CHECK-NEXT: Type: SHT_ARM_EXIDX (0x70000001) |
| // CHECK-NEXT: Flags [ (0x82) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_LINK_ORDER (0x80) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 8 |
| // CHECK-NEXT: Link: 16 |
