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# UNCOMPRESSED:      .debug_foo        PROGBITS        0000000000000000 000040 000008 00      0   0  0
16# UNCOMPRESSED-NEXT: .notdebug_foo     PROGBITS        0000000000000000 {{.*}} 000008 00      0   0  0
17
18## Relocations do not change.
19# CHECK:             Relocation section '.rela.debug_foo' at offset {{.*}} contains 2 entries:
20# CHECK-NEXT:            Offset
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
23
24# COMPRESSED:        Hex dump of section '.debug_foo':
25# COMPRESSED-NEXT:   0x00000000 01000000 {{.*}}   08000000 00000000
26# COMPRESSED-NEXT:   0x00000010 00000000 00000000 {{.*}}
27
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
31