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// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
// RUN: ld.lld %t -o %t2 2>&1
// RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t2 | FileCheck %s
// RUN: llvm-objdump -s -triple=armv7a-none-linux-gnueabi %t2 | FileCheck -check-prefix=CHECK-EXIDX %s
// RUN: llvm-readobj --program-headers --sections %t2 | FileCheck -check-prefix=CHECK-PT %s
// REQUIRES: arm
// Test that inline unwinding table entries and references to .ARM.extab
// entries survive the re-ordering of the .ARM.exidx section
.syntax unified
// Will produce an ARM.exidx entry with inline unwinding instructions
.section .text.func1, "ax",%progbits
.global func1
func1:
.fnstart
bx lr
.save {r7, lr}
.setfp r7, sp, #0
.fnend
// Unwinding instructions for .text2 too large for an inline entry ARM.exidx
// entry. A separate .ARM.extab section is created to hold the unwind entries
// The .ARM.exidx table entry has a reference to the .ARM.extab section.
.section .text.func2, "ax",%progbits
.global func2
func2:
.fnstart
bx lr
.personality __gxx_personality_v0
.handlerdata
.long 0
.section .text.func2
.fnend
// Dummy implementation of personality routines to satisfy reference from
// exception tables
.section .text.__gcc_personality_v0, "ax", %progbits
.global __gxx_personality_v0
__gxx_personality_v0:
bx lr
.section .text.__aeabi_unwind_cpp_pr0, "ax", %progbits
.global __aeabi_unwind_cpp_pr0
__aeabi_unwind_cpp_pr0:
bx lr
.text
.global _start
_start:
bl func1
bl func2
bx lr
// CHECK: Disassembly of section .text:
// CHECK-NEXT: _start:
// CHECK-NEXT: 11000: 01 00 00 eb bl #4 <func1>
// CHECK-NEXT: 11004: 01 00 00 eb bl #4 <func2>
// CHECK-NEXT: 11008: 1e ff 2f e1 bx lr
// CHECK: func1:
// CHECK-NEXT: 1100c: 1e ff 2f e1 bx lr
// CHECK: func2:
// CHECK-NEXT: 11010: 1e ff 2f e1 bx lr
// CHECK: __gxx_personality_v0:
// CHECK-NEXT: 11014: 1e ff 2f e1 bx lr
// CHECK: __aeabi_unwind_cpp_pr0:
// CHECK-NEXT: 11018: 1e ff 2f e1 bx lr
// CHECK-EXIDX: Contents of section .ARM.exidx:
// 100d4 + f38 = 1100c = func1 (inline unwinding data)
// 100dc + f34 = 11010 = func2 (100e0 + c = 100ec = .ARM.extab entry)
// CHECK-EXIDX-NEXT: 100d4 380f0000 08849780 340f0000 0c000000
// 100e4 + f30 = 11014 = terminate = func2 + sizeof(func2)
// CHECK-EXIDX-NEXT: 100e4 300f0000 01000000
// CHECK-EXIDX-NEXT: Contents of section .ARM.extab.text.func2:
// 100ec + f28 = 11014 = __gxx_personality_v0
// CHECK-EXIDX-NEXT: 100ec 280f0000 b0b0b000 00000000
// CHECK-PT: Name: .ARM.exidx
// CHECK-PT-NEXT: Type: SHT_ARM_EXIDX (0x70000001)
// CHECK-PT-NEXT: Flags [
// CHECK-PT-NEXT: SHF_ALLOC
// CHECK-PT-NEXT: SHF_LINK_ORDER
// CHECK-PT-NEXT: ]
// CHECK-PT-NEXT: Address: 0x100D4
// CHECK-PT-NEXT: Offset: 0xD4
// CHECK-PT-NEXT: Size: 24
// CHECK-PT: Type: PT_ARM_EXIDX (0x70000001)
// CHECK-PT-NEXT: Offset: 0xD4
// CHECK-PT-NEXT: VirtualAddress: 0x100D4
// CHECK-PT-NEXT: PhysicalAddress: 0x100D4
// CHECK-PT-NEXT: FileSize: 24
// CHECK-PT-NEXT: MemSize: 24
// CHECK-PT-NEXT: Flags [ (0x4)
// CHECK-PT-NEXT: PF_R (0x4)
// CHECK-PT-NEXT: ]
// CHECK-PT-NEXT: Alignment: 4
// CHECK-PT-NEXT: }
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