1# REQUIRES: zstd 2## Test --compress-debug-sections=zstd and decompression. 3 4# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t && llvm-objcopy %t 5# RUN: llvm-objcopy --compress-debug-sections=zstd %t %t-zstd 6# RUN: llvm-objcopy --decompress-debug-sections %t-zstd %t-de 7# RUN: cmp %t %t-de 8 9# RUN: llvm-readelf -S -r -x .debug_foo %t-zstd | FileCheck %s --check-prefixes=CHECK,COMPRESSED 10# RUN: llvm-readelf -S -r -x .debug_foo %t-de | FileCheck %s --check-prefixes=CHECK,DECOMPRESSED 11 12# CHECK: Name Type Address Off Size ES Flg Lk Inf Al 13# COMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 {{.*}} 00 C 0 0 8 14# COMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 15# DECOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0 16# DECOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 17 18## Relocations do not change. 19# CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries: 20# CHECK-NEXT: Offset 21# CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 0 22# CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 0 23 24# COMPRESSED: Hex dump of section '.debug_foo': 25## ch_type == ELFCOMPRESS_ZSTD (2) 26# COMPRESSED-NEXT: 0x00000000 02000000 00000000 08000000 00000000 27# COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}} 28 29## --compress-debug-sections does not update a compressed section. Its compression 30## type does not change. 31# RUN: llvm-objcopy --compress-debug-sections=zstd %t-zstd %t-zstd-zstd 32# RUN: cmp %t-zstd %t-zstd-zstd 33# RUN: %if zlib %{ llvm-objcopy --compress-debug-sections=zlib %t-zstd %t-zstd-zlib && cmp %t-zstd %t-zstd-zlib %} 34 35# RUN: yaml2obj %s -o %t-corrupted 36# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR 37 38# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': Src size is incorrect 39 40--- !ELF 41FileHeader: 42 Class: ELFCLASS64 43 Data: ELFDATA2LSB 44 Type: ET_REL 45 Machine: EM_X86_64 46Sections: 47 - Type: SHT_PROGBITS 48 Name: .debug_info 49 Flags: [ SHF_COMPRESSED ] 50 AddressAlign: 8 51 Content: "020000000000000004000000000000000100000000000000ffffffff" 52