| # 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: 0x2F30 R_AARCH64_RELATIVE - |
| # RELR-NEXT: 0x2F38 R_AARCH64_RELATIVE - |
| # RELR-NEXT: 0x3000 R_AARCH64_RELATIVE - |
| # RELR-NEXT: } |
| |
| .section .data.rel.ro |
| .align 3 |
| .space 0xcd0 |
| 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 |
