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# REQUIRES: zstd
## Test --compress-debug-sections=zstd and decompression.
# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t && llvm-objcopy %t
# RUN: llvm-objcopy --compress-debug-sections=zstd %t %t-zstd
# RUN: llvm-objcopy --decompress-debug-sections %t-zstd %t-de
# RUN: cmp %t %t-de
# RUN: llvm-readelf -S -r -x .debug_foo %t-zstd | FileCheck %s --check-prefixes=CHECK,COMPRESSED
# RUN: llvm-readelf -S -r -x .debug_foo %t-de | FileCheck %s --check-prefixes=CHECK,DECOMPRESSED
# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
# COMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 {{.*}} 00 C 0 0 8
# COMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0
# DECOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 0
# DECOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 0
## Relocations do not change.
# CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries:
# CHECK-NEXT: Offset
# CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 0
# CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 0
# COMPRESSED: Hex dump of section '.debug_foo':
## ch_type == ELFCOMPRESS_ZSTD (2)
# COMPRESSED-NEXT: 0x00000000 02000000 00000000 08000000 00000000
# COMPRESSED-NEXT: 0x00000010 00000000 00000000 {{.*}}
## --compress-debug-sections does not update a compressed section. Its compression
## type does not change.
# RUN: llvm-objcopy --compress-debug-sections=zstd %t-zstd %t-zstd-zstd
# RUN: cmp %t-zstd %t-zstd-zstd
# RUN: %if zlib %{ llvm-objcopy --compress-debug-sections=zlib %t-zstd %t-zstd-zlib && cmp %t-zstd %t-zstd-zlib %}
## Test roundtrip for ELFCLASS32.
# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t32 && llvm-objcopy %t32
# RUN: llvm-objcopy --compress-debug-sections=zstd %t32 %t32-zstd
# RUN: llvm-objcopy --decompress-debug-sections %t32-zstd %t32-de
# RUN: cmp %t32 %t32-de
# RUN: yaml2obj %s -o %t-corrupted
# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR
# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': Src size is incorrect
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Type: SHT_PROGBITS
Name: .debug_info
Flags: [ SHF_COMPRESSED ]
AddressAlign: 8
Content: "020000000000000004000000000000000100000000000000ffffffff"
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