2 ## Test --compress-debug-sections=zlib and uncompression.
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
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
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 # UNCOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0
16 # UNCOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0
18 ## Relocations do not change.
19 # CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries:
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
24 # COMPRESSED: Hex dump of section '.debug_foo':
25 # COMPRESSED-NEXT: 0x00000000 01000000 {{.*}} 08000000 00000000
26 # COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}}
28 ## --compress-debug-sections does not update a compressed section.
29 # RUN: llvm-objcopy --compress-debug-sections=zlib %t-zlib.o %t-zlib-zlib.o
30 # RUN: cmp %t-zlib.o %t-zlib-zlib.o
32 # RUN: yaml2obj %s -o %t-corrupted
33 # RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR
35 # ERR: error: '[[FILE]]': failed to decompress section '.debug_info': zlib error: Z_DATA_ERROR
46 Flags: [ SHF_COMPRESSED ]
48 Content: "010000000000000004000000000000000100000000000000ffffffff"