2 ## Test --compress-debug-sections=zstd and decompression.
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
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
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
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 ## ch_type == ELFCOMPRESS_ZSTD (2)
26 # COMPRESSED-NEXT: 0x00000000 02000000 00000000 08000000 00000000
27 # COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}}
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 %}
35 ## Test roundtrip for ELFCLASS32.
36 # RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t32 && llvm-objcopy %t32
37 # RUN: llvm-objcopy --compress-debug-sections=zstd %t32 %t32-zstd
38 # RUN: llvm-objcopy --decompress-debug-sections %t32-zstd %t32-de
39 # RUN: cmp %t32 %t32-de
41 # RUN: yaml2obj %s -o %t-corrupted
42 # RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR
44 # ERR: error: '[[FILE]]': failed to decompress section '.debug_info': Src size is incorrect
55 Flags: [ SHF_COMPRESSED ]
57 Content: "020000000000000004000000000000000100000000000000ffffffff"