Differential D58047 Diff 186267 test/ELF/linkerscript/arm-exidx-sentinel-and-assignment.s

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test/ELF/linkerscript/arm-exidx-sentinel-and-assignment.s

	# REQUIRES: arm			# REQUIRES: arm
	# RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o			# RUN: llvm-mc -filetype=obj -arm-add-build-attributes -triple=armv7a-none-linux-gnueabi %s -o %t.o
	# RUN: echo "SECTIONS { \			# RUN: echo "SECTIONS { \
	# RUN: .ARM.exidx 0x1000 : { (.ARM.exidx) foo = .; } \			# RUN: .ARM.exidx 0x1000 : { (.ARM.exidx) foo = .; } \
	# RUN: .text 0x2000 : { (.text) } \			# RUN: .text 0x2000 : { (.text) } \
	# RUN: }" > %t.script			# RUN: }" > %t.script
	## We used to crash if the last output section command for .ARM.exidx			## We used to crash if the last output section command for .ARM.exidx
	## was anything but an input section description.			## was anything but an input section description.
	# RUN: ld.lld --no-merge-exidx-entries -T %t.script %t.o -shared -o %t.so			# RUN: ld.lld --no-merge-exidx-entries -T %t.script %t.o -shared -o %t.so
	# RUN: llvm-objdump -s -triple=armv7a-none-linux-gnueabi %t.so \| FileCheck %s			# RUN: llvm-objdump -s -triple=armv7a-none-linux-gnueabi %t.so \| FileCheck %s
	# RUN: llvm-readobj -s -t %t.so \| FileCheck %s --check-prefix=SYMBOL			# RUN: llvm-readobj -s -t %t.so \| FileCheck %s --check-prefix=SYMBOL

	.syntax unified			.syntax unified
	.text			.text
	.global _start			.global _start
	_start:			_start:
	.fnstart			.fnstart
	.cantunwind			.cantunwind
	bx lr			bx lr
	.fnend			.fnend

				# Check that linker synthesized sections are added before symbol
				.section .text.01, "ax", %progbits
				.global fn1
				fn1:
				bx lr
	# CHECK: Contents of section .ARM.exidx:			# CHECK: Contents of section .ARM.exidx:
	# 1000 + 1000 = 0x2000 = _start			# 1000 + 1000 = 0x2000 = _start
	# 1008 + 0ffc = 0x2004 = _start + sizeof(_start)			# 1008 + 0ffc = 0x2004 = _start + sizeof(_start)
	# CHECK-NEXT: 1000 00100000 01000000 fc0f0000 01000000			# CHECK-NEXT: 1000 00100000 01000000 fc0f0000 01000000

	# SYMBOL: Section {			# SYMBOL: Section {
	# SYMBOL: Name: .ARM.exidx			# SYMBOL: Name: .ARM.exidx
	# SYMBOL-NEXT: Type: SHT_ARM_EXIDX			# SYMBOL-NEXT: Type: SHT_ARM_EXIDX
	# SYMBOL-NEXT: Flags [			# SYMBOL-NEXT: Flags [
	# SYMBOL-NEXT: SHF_ALLOC			# SYMBOL-NEXT: SHF_ALLOC
	# SYMBOL-NEXT: SHF_LINK_ORDER			# SYMBOL-NEXT: SHF_LINK_ORDER
	# SYMBOL-NEXT: ]			# SYMBOL-NEXT: ]
	# SYMBOL-NEXT: Address: 0x1000			# SYMBOL-NEXT: Address: 0x1000
	# SYMBOL-NEXT: Offset:			# SYMBOL-NEXT: Offset:
	# SYMBOL-NEXT: Size: 16			# SYMBOL-NEXT: Size: 24

	# Symbol 'foo' is expected to point at the end of the section.			# Symbol 'foo' is expected to point at the end of the section.
	# SYMBOL: Symbol {			# SYMBOL: Symbol {
	# SYMBOL: Name: foo			# SYMBOL: Name: foo
	# SYMBOL-NEXT: Value: 0x1010			# SYMBOL-NEXT: Value: 0x1018