llvm-project/lld/test/ELF/eh-frame-merge.s

// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
// RUN: ld.lld2 %t.o %t.o -o %t -shared
// RUN: llvm-readobj -s -section-data %t | FileCheck %s

        .section	foo,"ax",@progbits
	.cfi_startproc
        nop
	.cfi_endproc

        .section	bar,"axG",@progbits,foo,comdat
        .cfi_startproc
        nop
        nop
	.cfi_endproc

// FIXME: We could really use a .eh_frame parser.
// The intention is to show that:
// * There is only one copy of the CIE
// * There are two copies of the first FDE
// * There is only one copy of the second FDE

// CHECK:      Name: .eh_frame
// CHECK-NEXT: Type: SHT_X86_64_UNWIND
// CHECK-NEXT: Flags [
// CHECK-NEXT:   SHF_ALLOC
// CHECK-NEXT: ]
// CHECK-NEXT: Address:
// CHECK-NEXT: Offset:
// CHECK-NEXT: Size:
// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 8
// CHECK-NEXT: EntrySize: 0
// CHECK-NEXT: SectionData (
// CHECK-NEXT:   0000: 14000000 00000000 017A5200 01781001  |
// CHECK-NEXT:   0010: 1B0C0708 90010000 10000000 1C000000  |
// CHECK-NEXT:   0020: 500E0000 01000000 00000000 10000000  |
// CHECK-NEXT:   0030: 30000000 3E0E0000 02000000 00000000  |
// CHECK-NEXT:   0040: 10000000 44000000 290E0000 01000000  |
// CHECK-NEXT:   0050: 00000000                             |
// CHECK-NEXT: )

// CHECK:      Name: foo
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT:   SHF_ALLOC
// CHECK-NEXT:   SHF_EXECINSTR
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x1000

// CHECK:      Name: bar
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT:   SHF_ALLOC
// CHECK-NEXT:   SHF_EXECINSTR
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x1002