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# COMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 0 16# DECOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0 17# DECOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 18# DECOMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 0 19 20## Relocations do not change. 21# CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries: 22# CHECK-NEXT: Offset 23# CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 0 24# CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 0 25 26# COMPRESSED: Hex dump of section '.debug_foo': 27## ch_type == ELFCOMPRESS_ZSTD (2) 28# COMPRESSED-NEXT: 0x00000000 02000000 00000000 08000000 00000000 29# COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}} 30 31## --compress-debug-sections does not update a compressed section. Its compression 32## type does not change. 33# RUN: llvm-objcopy --compress-debug-sections=zstd %t-zstd %t-zstd-zstd 34# RUN: cmp %t-zstd %t-zstd-zstd 35# RUN: %if zlib %{ llvm-objcopy --compress-debug-sections=zlib %t-zstd %t-zstd-zlib && cmp %t-zstd %t-zstd-zlib %} 36 37## Test roundtrip for ELFCLASS32. 38# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t32 && llvm-objcopy %t32 39# RUN: llvm-objcopy --compress-debug-sections=zstd %t32 %t32-zstd 40# RUN: llvm-objcopy --decompress-debug-sections %t32-zstd %t32-de 41# RUN: cmp %t32 %t32-de 42 43# RUN: yaml2obj %s -o %t-corrupted 44# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR 45 46# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': Src size is incorrect 47 48--- !ELF 49FileHeader: 50 Class: ELFCLASS64 51 Data: ELFDATA2LSB 52 Type: ET_REL 53 Machine: EM_X86_64 54Sections: 55 - Type: SHT_PROGBITS 56 Name: .debug_info 57 Flags: [ SHF_COMPRESSED ] 58 AddressAlign: 8 59 Content: "020000000000000004000000000000000100000000000000ffffffff" 60