forked from OSchip/llvm-project
49 lines
2.3 KiB
Plaintext
49 lines
2.3 KiB
Plaintext
# REQUIRES: zlib
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## Test --compress-debug-sections=zlib and uncompression.
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# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o && llvm-objcopy %t.o
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# RUN: llvm-objcopy --compress-debug-sections=zlib %t.o %t-zlib.o
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# RUN: llvm-objcopy --decompress-debug-sections %t-zlib.o %t-un.o
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# RUN: cmp %t.o %t-un.o
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# RUN: llvm-readelf -S -r -x .debug_foo %t-zlib.o | FileCheck %s --check-prefixes=CHECK,COMPRESSED
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# RUN: llvm-readelf -S -r -x .debug_foo %t-un.o | FileCheck %s --check-prefixes=CHECK,UNCOMPRESSED
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# COMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 {{.*}} 00 C 0 0 8
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# COMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0
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# UNCOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0
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# UNCOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0
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## Relocations do not change.
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# CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries:
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# CHECK-NEXT: Offset
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# CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 0
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# CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 0
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# COMPRESSED: Hex dump of section '.debug_foo':
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# COMPRESSED-NEXT: 0x00000000 01000000 {{.*}} 08000000 00000000
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# COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}}
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## --compress-debug-sections does not update a compressed section.
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# RUN: llvm-objcopy --compress-debug-sections=zlib %t-zlib.o %t-zlib-zlib.o
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# RUN: cmp %t-zlib.o %t-zlib-zlib.o
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# RUN: yaml2obj %s -o %t-corrupted
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# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR
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# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': zlib error: Z_DATA_ERROR
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_X86_64
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Sections:
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- Type: SHT_PROGBITS
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Name: .debug_info
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Flags: [ SHF_COMPRESSED ]
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AddressAlign: 8
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Content: "010000000000000004000000000000000100000000000000ffffffff"
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