forked from OSchip/llvm-project
37 lines
1.1 KiB
ArmAsm
37 lines
1.1 KiB
ArmAsm
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# REQUIRES: aarch64
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# RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
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# 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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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELR %s
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## This test makes sure we don't shrink .relr.dyn, otherwise its size may
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## oscillate between 2 words and 3 words.
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## The test is very sensitive to the exact section sizes and offsets,
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## make sure .data is located at a page boundary.
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# CHECK: .relr.dyn needs 1 padding word(s)
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# RELR: .relr.dyn {
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# RELR-NEXT: 0x2F40 R_AARCH64_RELATIVE - 0x0
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# RELR-NEXT: 0x2F48 R_AARCH64_RELATIVE - 0x0
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# RELR-NEXT: 0x3000 R_AARCH64_RELATIVE - 0x0
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# RELR-NEXT: }
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.section .data.rel.ro
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.align 3
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.space 0xce0
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foo:
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## Encoded by the first word of .relr.dyn
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.quad foo
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## Encoded by the second word of .relr.dyn
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.quad foo
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.section .data
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.align 3
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## If .data is at 0x3000, the relocation will be encoded by the second word.
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## If we shrink .relr.dyn, the end of .dynamic will be at 0x2ff8 and .data
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## will be at 0x3ff8, we will need the third word to encode this relocation,
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## which will cause .relr.dyn to expand again.
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.quad foo
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