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1// REQUIRES: arm2// RUN: llvm-mc -filetype=obj --arm-add-build-attributes -triple=armv7a-none-linux-gnueabi %s -o %t3// RUN: ld.lld %t -o %t24// RUN: llvm-objdump -d --triple=armv7a-none-linux-gnueabi --no-show-raw-insn %t2 | FileCheck %s5// RUN: llvm-objdump -s --triple=armv7a-none-linux-gnueabi %t2 | FileCheck --check-prefix=CHECK-EXIDX %s6// RUN: llvm-readobj --program-headers --sections %t2 | FileCheck -check-prefix=CHECK-PT %s7 8// Test that inline unwinding table entries and references to .ARM.extab9// entries survive the re-ordering of the .ARM.exidx section10 11 .syntax unified12 // Will produce an ARM.exidx entry with inline unwinding instructions13 .section .text.func1, "ax",%progbits14 .global func115func1:16 .fnstart17 bx lr18 .save {r7, lr}19 .setfp r7, sp, #020 .fnend21 22 // Unwinding instructions for .text2 too large for an inline entry ARM.exidx23 // entry. A separate .ARM.extab section is created to hold the unwind entries24 // The .ARM.exidx table entry has a reference to the .ARM.extab section.25 .section .text.func2, "ax",%progbits26 .global func227func2:28 .fnstart29 bx lr30 .personality __gxx_personality_v031 .handlerdata32 .long 033 .section .text.func234 .fnend35 36 // Dummy implementation of personality routines to satisfy reference from37 // exception tables38 .section .text.__gcc_personality_v0, "ax", %progbits39 .global __gxx_personality_v040__gxx_personality_v0:41 bx lr42 43 .section .text.__aeabi_unwind_cpp_pr0, "ax", %progbits44 .global __aeabi_unwind_cpp_pr045__aeabi_unwind_cpp_pr0:46 bx lr47 48 .text49 .global _start50_start:51 bl func152 bl func253 bx lr54 55// CHECK: Disassembly of section .text:56// CHECK-EMPTY:57// CHECK-NEXT: <_start>:58// CHECK-NEXT: 20108: bl 0x20114 <func1>59// CHECK-NEXT: bl 0x20118 <func2>60// CHECK-NEXT: bx lr61// CHECK: <func1>:62// CHECK-NEXT: 20114: bx lr63// CHECK: <func2>:64// CHECK-NEXT: 20118: bx lr65// CHECK: <__gxx_personality_v0>:66// CHECK-NEXT: 2011c: bx lr67// CHECK: <__aeabi_unwind_cpp_pr0>:68// CHECK-NEXT: 20120: bx lr69 70/// 100d4 + 0x10034 = 0x20108 = main (linker generated cantunwind)71/// 100dc + 0x10038 = 0x20114 = func1 (inline unwinding data)72// CHECK-EXIDX: 100d4 34000100 01000000 38000100 0884978073/// 100e4 + 0x10034 = 0x20118 = func2 (100e8 + 14 = 100fc = .ARM.extab entry)74/// 100ec + 0x10030 = 0x2011c = __gxx_personality_v0 (linker generated cantunwind)75// CHECK-EXIDX-NEXT: 100e4 34000100 14000000 30000100 0100000076/// 100f4 + 0x10030 = 1101c = sentinel77// CHECK-EXIDX-NEXT: 100f4 30000100 0100000078 79// CHECK-PT: Name: .ARM.exidx80// CHECK-PT-NEXT: Type: SHT_ARM_EXIDX (0x70000001)81// CHECK-PT-NEXT: Flags [82// CHECK-PT-NEXT: SHF_ALLOC83// CHECK-PT-NEXT: SHF_LINK_ORDER84// CHECK-PT-NEXT: ]85// CHECK-PT-NEXT: Address: 0x100D486// CHECK-PT-NEXT: Offset: 0xD487// CHECK-PT-NEXT: Size: 4088 89// CHECK-PT: Type: PT_ARM_EXIDX (0x70000001)90// CHECK-PT-NEXT: Offset: 0xD491// CHECK-PT-NEXT: VirtualAddress: 0x100D492// CHECK-PT-NEXT: PhysicalAddress: 0x100D493// CHECK-PT-NEXT: FileSize: 4094// CHECK-PT-NEXT: MemSize: 4095// CHECK-PT-NEXT: Flags [ (0x4)96// CHECK-PT-NEXT: PF_R (0x4)97// CHECK-PT-NEXT: ]98// CHECK-PT-NEXT: Alignment: 499// CHECK-PT-NEXT: }100