Mercurial > hg > CbC > CbC_llvm
view lld/test/ELF/pack-dyn-relocs-relr-loop.s @ 192:d7606dcf6fce
Added tag llvm10 for changeset 0572611fdcc8
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 14 Dec 2020 18:01:34 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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# REQUIRES: aarch64 # RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o # RUN: ld.lld -pie --pack-dyn-relocs=relr -z max-page-size=4096 --verbose %t.o -o %t 2>&1 | FileCheck %s # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELR %s ## This test makes sure we don't shrink .relr.dyn, otherwise its size may ## oscillate between 2 words and 3 words. ## The test is very sensitive to the exact section sizes and offsets, ## make sure .data is located at a page boundary. # CHECK: .relr.dyn needs 1 padding word(s) # RELR: .relr.dyn { # RELR-NEXT: 0x2F40 R_AARCH64_RELATIVE - 0x0 # RELR-NEXT: 0x2F48 R_AARCH64_RELATIVE - 0x0 # RELR-NEXT: 0x3000 R_AARCH64_RELATIVE - 0x0 # RELR-NEXT: } .section .data.rel.ro .align 3 .space 0xce0 foo: ## Encoded by the first word of .relr.dyn .quad foo ## Encoded by the second word of .relr.dyn .quad foo .section .data .align 3 ## If .data is at 0x3000, the relocation will be encoded by the second word. ## If we shrink .relr.dyn, the end of .dynamic will be at 0x2ff8 and .data ## will be at 0x3ff8, we will need the third word to encode this relocation, ## which will cause .relr.dyn to expand again. .quad foo