Mercurial > hg > CbC > CbC_llvm
view lld/test/ELF/compressed-input-alignment.test @ 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 |
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# REQUIRES: zlib, x86 # RUN: yaml2obj --docnum=1 %s -o %t.o # RUN: ld.lld %t.o %t.o -o %t2 # RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s # RUN: yaml2obj --docnum=2 %s -o %t.o # RUN: ld.lld %t.o %t.o -o %t2 # RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s # CHECK: Name: .debug_info # CHECK-NEXT: Type: SHT_PROGBITS # CHECK-NEXT: Flags [ # CHECK-NEXT: ] # CHECK-NEXT: Address: 0x0 # CHECK-NEXT: Offset: 0xE8 # CHECK-NEXT: Size: 108 # CHECK-NEXT: Link: 0 # CHECK-NEXT: Info: 0 # CHECK-NEXT: AddressAlignment: 1 # CHECK-NEXT: EntrySize: 0 # CHECK-NEXT: SectionData ( # CHECK-NEXT: 0000: {{.*}} |ABCDEFGHIJKLMNOP| # CHECK-NEXT: 0010: {{.*}} |QRSTUVWXYZ.ABCDE| # CHECK-NEXT: 0020: {{.*}} |FGHIJKLMNOPQRSTU| # CHECK-NEXT: 0030: {{.*}} |VWXYZ.ABCDEFGHIJ| # CHECK-NEXT: 0040: {{.*}} |KLMNOPQRSTUVWXYZ| # CHECK-NEXT: 0050: {{.*}} |.ABCDEFGHIJKLMNO| # CHECK-NEXT: 0060: {{.*}} |PQRSTUVWXYZ.| # CHECK-NEXT: ) # CHECK-NEXT: } ## YAML below is produced from the following code. AddressAlign of .debug_info is 8, ## while compressed header has ch_addralign = 1. LLD had a bug and did not use the ## value of ch_addralign at all. We produced broken section content. ## ## .section .debug_info,"",@progbits ## .string "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ## .string "ABCDEFGHIJKLMNOPQRSTUVWXYZ" --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Machine: EM_X86_64 Sections: - Name: .debug_info Type: SHT_PROGBITS Flags: [ SHF_COMPRESSED ] AddressAlign: 0x0000000000000008 Content: 010000000000000036000000000000000100000000000000789C73747276717573F7F0F4F2F6F1F5F30F080C0A0E090D0B8F888C6270C42D0500ADA00FBF ## YAML below is the same as above, with a single change: ch_addralign field of the compressed ## header was set to 0. This is allowed by the standard, we have to support it. --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Machine: EM_X86_64 Sections: - Name: .debug_info Type: SHT_PROGBITS Flags: [ SHF_COMPRESSED ] AddressAlign: 0x0000000000000008 Content: 010000000000000036000000000000000000000000000000789C73747276717573F7F0F4F2F6F1F5F30F080C0A0E090D0B8F888C6270C42D0500ADA00FBF