1# REQUIRES: zlib 2## Test --compress-debug-sections=zlib and uncompression. 3 4# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o && llvm-objcopy %t.o 5# RUN: llvm-objcopy --compress-debug-sections=zlib %t.o %t-zlib.o 6# RUN: llvm-objcopy --decompress-debug-sections %t-zlib.o %t-un.o 7# RUN: cmp %t.o %t-un.o 8 9# RUN: llvm-readelf -S -r -x .debug_foo %t-zlib.o | FileCheck %s --check-prefixes=CHECK,COMPRESSED 10# RUN: llvm-readelf -S -r -x .debug_foo %t-un.o | FileCheck %s --check-prefixes=CHECK,UNCOMPRESSED 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# UNCOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0 17# UNCOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0 18# UNCOMPRESSED: .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# COMPRESSED-NEXT: 0x00000000 01000000 {{.*}} 08000000 00000000 28# COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}} 29 30## --compress-debug-sections does not update a compressed section. 31# RUN: llvm-objcopy --compress-debug-sections=zlib %t-zlib.o %t-zlib-zlib.o 32# RUN: cmp %t-zlib.o %t-zlib-zlib.o 33 34# RUN: yaml2obj %s -o %t-corrupted 35# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR 36 37# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': zlib error: Z_DATA_ERROR 38 39--- !ELF 40FileHeader: 41 Class: ELFCLASS64 42 Data: ELFDATA2LSB 43 Type: ET_REL 44 Machine: EM_X86_64 45Sections: 46 - Type: SHT_PROGBITS 47 Name: .debug_info 48 Flags: [ SHF_COMPRESSED ] 49 AddressAlign: 8 50 Content: "010000000000000004000000000000000100000000000000ffffffff" 51