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[JITLink][ELF/AARCH64][NFC] Add ADRP and ADD (imm) relocation test case
AbandonedPublic

Authored by sunho on May 24 2022, 3:26 AM.

Summary

This patch adds relocation test cases for R_AARCH64_ADR_PREL_PG_HI21 and R_AARCH64_ADD_ABS_LO12_NC.

	Time	Test
	50 ms	x64 debian > LLVM.ExecutionEngine/JITLink/AArch64::ELF_aarch64_adrp.s
	60,070 ms	x64 debian > MLIR.Examples/standalone::test.toy
	60,030 ms	x64 debian > libFuzzer.libFuzzer::value-profile-load.test

sunho requested review of this revision.May 24 2022, 3:27 AM

Closing this in favor of more organized patch

Path

Size

llvm/

test/

ExecutionEngine/

JITLink/

AArch64/

27 lines

				# RUN: rm -rf %t && mkdir -p %t
				# RUN: llvm-mc -triple=aarch64-unknown-linux-gnu -relax-relocations=false -position-independent -filetype=obj -o %t/elf_aarch64_adrp.o %s
				# RUN: llvm-jitlink -noexec -check %s %t/elf_aarch64_adrp.o

				.text

				# Test Case 1: R_AARCH64_ADR_PREL_PG_HI21
				# jitlink-check: decode_operand(main, 1) = (((str + 0) & 0xFFFFFFFFFFFFF000) - (main & 0xFFFFFFFFFFFFF000))[32:12]
				#
				# Test Case 2: R_AARCH64_ADD_ABS_LO12_NC
				# jitlink-check: decode_operand(main + 4, 2) = (str + 0)[11:0]


				.globl main
				.p2align 2
				.type main,@function
				main:
				adrp x0, str
				add x0, x0, :lo12:str
				ret
				.size main, .-main

				.globl str
				.type str,@object
				str:
				.asciz "hello world"
				.size str, 12