Differential D58047 Diff 186267 test/ELF/arm-exidx-dedup.s

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test/ELF/arm-exidx-dedup.s

	// REQUIRES: arm			// REQUIRES: arm
	// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t			// RUN: llvm-mc -filetype=obj --arm-add-build-attributes -triple=armv7a-none-linux-gnueabi %s -o %t
	// RUN: ld.lld %t --no-merge-exidx-entries -o %t2			// RUN: ld.lld %t --no-merge-exidx-entries -o %t2
	// RUN: llvm-objdump -s %t2 \| FileCheck --check-prefix CHECK-DUPS %s			// RUN: llvm-objdump -s %t2 \| FileCheck --check-prefix CHECK-DUPS %s
	// RUN: ld.lld %t -o %t3			// RUN: ld.lld %t -o %t3
	// RUN: llvm-objdump -s %t3 \| FileCheck %s			// RUN: llvm-objdump -s %t3 \| FileCheck %s

	// Test that lld can at least remove duplicate .ARM.exidx sections. A more			// Test that lld can at least remove duplicate .ARM.exidx sections. A more
	// fine grained implementation will be able to remove duplicate entries within			// fine grained implementation will be able to remove duplicate entries within
	// a .ARM.exidx section.			// a .ARM.exidx section.

	// With duplicate entries			// With duplicate entries
	// CHECK-DUPS: Contents of section .ARM.exidx:			// CHECK-DUPS: Contents of section .ARM.exidx:
	// CHECK-DUPS-NEXT: 100d4 2c0f0000 01000000 280f0000 01000000			// CHECK-DUPS-NEXT: 100d4 2c0f0000 01000000 280f0000 01000000
	// CHECK-DUPS-NEXT: 100e4 240f0000 01000000 200f0000 01000000			// CHECK-DUPS-NEXT: 100e4 240f0000 01000000 200f0000 01000000
	// CHECK-DUPS-NEXT: 100f4 1c0f0000 08849780 180f0000 08849780			// CHECK-DUPS-NEXT: 100f4 1c0f0000 08849780 180f0000 08849780
	// CHECK-DUPS-NEXT: 10104 140f0000 08849780 100f0000 14000000			// CHECK-DUPS-NEXT: 10104 140f0000 08849780 100f0000 24000000
	// CHECK-DUPS-NEXT: 10114 0c0f0000 18000000 080f0000 01000000			// CHECK-DUPS-NEXT: 10114 0c0f0000 28000000 080f0000 01000000
				// CHECK-DUPS-NEXT: 10124 040f0000 01000000 000f0000 01000000
	// CHECK-DUPS-NEXT: Contents of section .ARM.extab:			// CHECK-DUPS-NEXT: Contents of section .ARM.extab:

	// After duplicate entry removal			// After duplicate entry removal
	// CHECK: Contents of section .ARM.exidx:			// CHECK: Contents of section .ARM.exidx:
	// CHECK-NEXT: 100d4 2c0f0000 01000000 340f0000 08849780			// CHECK-NEXT: 100d4 2c0f0000 01000000 340f0000 08849780
	// CHECK-NEXT: 100e4 380f0000 14000000 340f0000 18000000			// CHECK-NEXT: 100e4 380f0000 1c000000 340f0000 20000000
	// CHECK-NEXT: 100f4 300f0000 01000000			// CHECK-NEXT: 100f4 300f0000 01000000 300f0000 01000000
	// CHECK-NEXT: Contents of section .ARM.extab:			// CHECK-NEXT: Contents of section .ARM.extab:
	.syntax unified			.syntax unified

	// Expect 1 EXIDX_CANTUNWIND entry.			// Expect 1 EXIDX_CANTUNWIND entry.
	.section .text.00, "ax", %progbits			.section .text.00, "ax", %progbits
	.globl _start			.globl _start
	_start:			_start:
	.fnstart			.fnstart
	▲ Show 20 Lines • Show All 75 Lines • ▼ Show 20 Lines
	f8:			f8:
	.fnstart			.fnstart
	bx lr			bx lr
	.personality __gxx_personality_v0			.personality __gxx_personality_v0
	.handlerdata			.handlerdata
	.long 0			.long 0
	.fnend			.fnend

	// Dummy implementation of personality routines to satisfy reference from			// Dummy implementation of personality routines to satisfy reference from
	// exception tables			// exception tables
				// Expect Linker generated EXIDX_CANTUNWIND tables
	.section .text.__gcc_personality_v0, "ax", %progbits			.section .text.__gcc_personality_v0, "ax", %progbits
	.global __gxx_personality_v0			.global __gxx_personality_v0
	__gxx_personality_v0:			__gxx_personality_v0:
	bx lr			bx lr

	.section .text.__aeabi_unwind_cpp_pr0, "ax", %progbits			.section .text.__aeabi_unwind_cpp_pr0, "ax", %progbits
	.global __aeabi_unwind_cpp_pr0			.global __aeabi_unwind_cpp_pr0
	__aeabi_unwind_cpp_pr0:			__aeabi_unwind_cpp_pr0:
	bx lr			bx lr