| # REQUIRES: zstd |
| ## Test --compress-debug-sections=zstd and decompression. |
| |
| # RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t && llvm-objcopy %t |
| # RUN: llvm-objcopy --compress-debug-sections=zstd %t %t-zstd |
| # RUN: llvm-objcopy --decompress-debug-sections %t-zstd %t-de |
| # RUN: cmp %t %t-de |
| |
| # RUN: llvm-readelf -S -r -x .debug_foo %t-zstd | FileCheck %s --check-prefixes=CHECK,COMPRESSED |
| # RUN: llvm-readelf -S -r -x .debug_foo %t-de | FileCheck %s --check-prefixes=CHECK,DECOMPRESSED |
| |
| # CHECK: Name Type Address Off Size ES Flg Lk Inf Al |
| # COMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 {{.*}} 00 C 0 0 8 |
| # COMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 |
| # COMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 0 |
| # DECOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0 |
| # DECOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 |
| # DECOMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 0 |
| |
| ## Relocations do not change. |
| # CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries: |
| # CHECK-NEXT: Offset |
| # CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 0 |
| # CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 0 |
| |
| # COMPRESSED: Hex dump of section '.debug_foo': |
| ## ch_type == ELFCOMPRESS_ZSTD (2) |
| # COMPRESSED-NEXT: 0x00000000 02000000 00000000 08000000 00000000 |
| # COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}} |
| |
| ## --compress-debug-sections does not update a compressed section. Its compression |
| ## type does not change. |
| # RUN: llvm-objcopy --compress-debug-sections=zstd %t-zstd %t-zstd-zstd |
| # RUN: cmp %t-zstd %t-zstd-zstd |
| # RUN: %if zlib %{ llvm-objcopy --compress-debug-sections=zlib %t-zstd %t-zstd-zlib && cmp %t-zstd %t-zstd-zlib %} |
| |
| ## Test roundtrip for ELFCLASS32. |
| # RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t32 && llvm-objcopy %t32 |
| # RUN: llvm-objcopy --compress-debug-sections=zstd %t32 %t32-zstd |
| # RUN: llvm-objcopy --decompress-debug-sections %t32-zstd %t32-de |
| # RUN: cmp %t32 %t32-de |
| |
| # RUN: yaml2obj %s -o %t-corrupted |
| # RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR |
| |
| # ERR: error: '[[FILE]]': failed to decompress section '.debug_info': Src size is incorrect |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_REL |
| Machine: EM_X86_64 |
| Sections: |
| - Type: SHT_PROGBITS |
| Name: .debug_info |
| Flags: [ SHF_COMPRESSED ] |
| AddressAlign: 8 |
| Content: "020000000000000004000000000000000100000000000000ffffffff" |