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1 # REQUIRES: aarch64
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2 # RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
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3 # RUN: ld.lld -pie --pack-dyn-relocs=relr -z max-page-size=4096 --verbose %t.o -o %t 2>&1 | FileCheck %s
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4 # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELR %s
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5
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6 ## This test makes sure we don't shrink .relr.dyn, otherwise its size may
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7 ## oscillate between 2 words and 3 words.
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8
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9 ## The test is very sensitive to the exact section sizes and offsets,
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10 ## make sure .data is located at a page boundary.
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11
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12 # CHECK: .relr.dyn needs 1 padding word(s)
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13
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14 # RELR: .relr.dyn {
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15 # RELR-NEXT: 0x2F40 R_AARCH64_RELATIVE - 0x0
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16 # RELR-NEXT: 0x2F48 R_AARCH64_RELATIVE - 0x0
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17 # RELR-NEXT: 0x3000 R_AARCH64_RELATIVE - 0x0
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18 # RELR-NEXT: }
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19
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20 .section .data.rel.ro
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21 .align 3
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22 .space 0xce0
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23 foo:
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24 ## Encoded by the first word of .relr.dyn
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25 .quad foo
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26
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27 ## Encoded by the second word of .relr.dyn
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28 .quad foo
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29
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30 .section .data
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31 .align 3
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32 ## If .data is at 0x3000, the relocation will be encoded by the second word.
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33 ## If we shrink .relr.dyn, the end of .dynamic will be at 0x2ff8 and .data
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34 ## will be at 0x3ff8, we will need the third word to encode this relocation,
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35 ## which will cause .relr.dyn to expand again.
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36 .quad foo
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