51 lines · plain
1# REQUIRES: zlib2## Test --compress-debug-sections=zlib and uncompression.3 4# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o && llvm-objcopy %t.o5# RUN: llvm-objcopy --compress-debug-sections=zlib %t.o %t-zlib.o6# RUN: llvm-objcopy --decompress-debug-sections %t-zlib.o %t-un.o7# RUN: cmp %t.o %t-un.o8 9# RUN: llvm-readelf -S -r -x .debug_foo %t-zlib.o | FileCheck %s --check-prefixes=CHECK,COMPRESSED10# RUN: llvm-readelf -S -r -x .debug_foo %t-un.o | FileCheck %s --check-prefixes=CHECK,UNCOMPRESSED11 12# CHECK: Name Type Address Off Size ES Flg Lk Inf Al13# COMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 {{.*}} 00 C 0 0 814# COMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 015# COMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 016# UNCOMPRESSED: .debug_foo PROGBITS 0000000000000000 000040 000008 00 0 0 017# UNCOMPRESSED-NEXT: .notdebug_foo PROGBITS 0000000000000000 {{.*}} 000008 00 0 0 018# UNCOMPRESSED: .debug_alloc PROGBITS 0000000000000000 {{.*}} 000040 00 A 0 0 019 20## Relocations do not change.21# CHECK: Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries:22# CHECK-NEXT: Offset23# CHECK-NEXT: 0000000000000001 000000010000000a R_X86_64_32 0000000000000000 .debug_foo + 024# CHECK-NEXT: 0000000000000002 000000020000000a R_X86_64_32 0000000000000000 .notdebug_foo + 025 26# COMPRESSED: Hex dump of section '.debug_foo':27# COMPRESSED-NEXT: 0x00000000 01000000 {{.*}} 08000000 0000000028# 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.o32# RUN: cmp %t-zlib.o %t-zlib-zlib.o33 34# RUN: yaml2obj %s -o %t-corrupted35# RUN: not llvm-objcopy --decompress-debug-sections %t-corrupted /dev/null 2>&1 | FileCheck %s -DFILE=%t-corrupted --check-prefix=ERR36 37# ERR: error: '[[FILE]]': failed to decompress section '.debug_info': zlib error: Z_DATA_ERROR38 39--- !ELF40FileHeader:41 Class: ELFCLASS6442 Data: ELFDATA2LSB43 Type: ET_REL44 Machine: EM_X86_6445Sections:46 - Type: SHT_PROGBITS47 Name: .debug_info48 Flags: [ SHF_COMPRESSED ]49 AddressAlign: 850 Content: "010000000000000004000000000000000100000000000000ffffffff"51