# REQUIRES: x86-registered-target, zlib, zstd # RUN: rm -rf %t && mkdir %t && cd %t # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o a.o ## '*0=none' wins because it is the last. '*0' sections are decompressed (if originally compressed) or kept unchanged (if uncompressed). ## No section is named 'nomatch'. The third option is a no-op. # RUN: llvm-objcopy a.o out --compress-sections='*0=zlib' --compress-sections '*0=none' --compress-sections 'nomatch=none' 2>&1 | count 0 # RUN: llvm-readelf -S out | FileCheck %s --check-prefix=CHECK1 # CHECK1: Name Type Address Off Size ES Flg Lk Inf Al # CHECK1: .text PROGBITS [[#%x,TEXT:]] [[#%x,]] [[#%x,]] 00 AX 0 0 4 # CHECK1: foo0 PROGBITS [[#%x,FOO0:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 # CHECK1-NEXT: .relafoo0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 3 8 # CHECK1-NEXT: foo1 PROGBITS [[#%x,FOO1:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 # CHECK1-NEXT: .relafoo1 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 5 8 # CHECK1: nonalloc0 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 8 # CHECK1-NEXT: .relanonalloc0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 7 8 # CHECK1-NEXT: nonalloc1 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 8 # CHECK1-NEXT: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MS 0 0 1 ## Mixing zlib and zstd. # RUN: llvm-objcopy a.o out2 --compress-sections '*c0=zlib' --compress-sections .debug_str=zstd # RUN: llvm-readelf -Sr -x nonalloc0 -x .debug_str out2 2>&1 | FileCheck %s --check-prefix=CHECK2 # RUN: llvm-readelf -z -x nonalloc0 -x .debug_str out2 | FileCheck %s --check-prefix=CHECK2DE # CHECK2: Name Type Address Off Size ES Flg Lk Inf Al # CHECK2: .text PROGBITS [[#%x,TEXT:]] [[#%x,]] [[#%x,]] 00 AX 0 0 4 # CHECK2: foo0 PROGBITS [[#%x,FOO0:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 # CHECK2-NEXT: .relafoo0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 3 8 # CHECK2-NEXT: foo1 PROGBITS [[#%x,FOO1:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 # CHECK2-NEXT: .relafoo1 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 5 8 # CHECK2: nonalloc0 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 C 0 0 8 # CHECK2-NEXT: .relanonalloc0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 IC 11 7 8 # CHECK2-NEXT: nonalloc1 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 8 # CHECK2-NEXT: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MSC 0 0 8 ## llvm-readelf -r doesn't support SHF_COMPRESSED SHT_RELA. # CHECK2: warning: {{.*}}: unable to read relocations from SHT_RELA section with index 8: section [index 8] has an invalid sh_size ([[#]]) which is not a multiple of its sh_entsize (24) # CHECK2: Hex dump of section 'nonalloc0': ## zlib with ch_size=0x10 # CHECK2-NEXT: 01000000 00000000 10000000 00000000 # CHECK2-NEXT: 08000000 00000000 {{.*}} # CHECK2: Hex dump of section '.debug_str': ## zstd with ch_size=0x38 # CHECK2-NEXT: 02000000 00000000 38000000 00000000 # CHECK2-NEXT: 01000000 00000000 {{.*}} # CHECK2DE: Hex dump of section 'nonalloc0': # CHECK2DE-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................ # CHECK2DE-EMPTY: # CHECK2DE-NEXT: Hex dump of section '.debug_str': # CHECK2DE-NEXT: 0x00000000 41414141 41414141 41414141 41414141 AAAAAAAAAAAAAAAA ## --decompress-debug-sections takes precedence, even if it is before --compress-sections. # RUN: llvm-objcopy a.o out3 --decompress-debug-sections --compress-sections .debug_str=zstd # RUN: llvm-readelf -S out3 | FileCheck %s --check-prefix=CHECK3 # CHECK3: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MS 0 0 1 # RUN: llvm-objcopy a.o out4 --compress-sections '*0=zlib' # RUN: llvm-readelf -S out4 | FileCheck %s --check-prefix=CHECK4 # CHECK4: Name Type Address Off Size ES Flg Lk Inf Al # CHECK4: .text PROGBITS [[#%x,TEXT:]] [[#%x,]] [[#%x,]] 00 AX 0 0 4 # CHECK4: foo0 PROGBITS [[#%x,FOO0:]] [[#%x,]] [[#%x,]] 00 AC 0 0 8 # CHECK4-NEXT: .relafoo0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 IC 11 3 8 # CHECK4-NEXT: foo1 PROGBITS [[#%x,FOO1:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 # CHECK4-NEXT: .relafoo1 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 I 11 5 8 # CHECK4: nonalloc0 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 C 0 0 8 # CHECK4-NEXT: .relanonalloc0 RELA [[#%x,]] [[#%x,]] [[#%x,]] 18 IC 11 7 8 # CHECK4-NEXT: nonalloc1 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 8 # CHECK4-NEXT: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MS 0 0 1 ## If a section is already compressed, compression request for another format is ignored. # RUN: llvm-objcopy a.o out5 --compress-sections 'nonalloc0=zlib' # RUN: llvm-readelf -x nonalloc0 out5 | FileCheck %s --check-prefix=CHECK5 # RUN: llvm-objcopy out5 out5a --compress-sections 'nonalloc0=zstd' # RUN: cmp out5 out5a # CHECK5: Hex dump of section 'nonalloc0': ## zlib with ch_size=0x10 # CHECK5-NEXT: 01000000 00000000 10000000 00000000 # CHECK5-NEXT: 08000000 00000000 {{.*}} # RUN: not llvm-objcopy --compress-sections=foo a.o out 2>&1 | \ # RUN: FileCheck %s --check-prefix=ERR1 --implicit-check-not=error: # ERR1: error: --compress-sections: parse error, not 'section-glob=[none|zlib|zstd]' # RUN: llvm-objcopy --compress-sections 'a[=zlib' a.o out 2>&1 | \ # RUN: FileCheck %s --check-prefix=ERR2 --implicit-check-not=error: # ERR2: warning: invalid glob pattern, unmatched '[' # RUN: not llvm-objcopy a.o out --compress-sections='.debug*=zlib-gabi' --compress-sections='.debug*=' 2>&1 | \ # RUN: FileCheck -check-prefix=ERR3 %s # ERR3: error: invalid or unsupported --compress-sections format: .debug*=zlib-gabi # RUN: not llvm-objcopy a.o out --compress-sections='!.debug*=zlib' 2>&1 | \ # RUN: FileCheck -check-prefix=ERR4 %s # ERR4: error: --compress-sections: negative pattern is unsupported .globl _start _start: ret .section foo0,"a" .balign 8 .quad .text-. .quad .text-. .section foo1,"a" .balign 8 .quad .text-. .quad .text-. .section nonalloc0,"" .balign 8 .quad .text+1 .quad .text+2 sym0: .section nonalloc1,"" .balign 8 .quad 42 sym1: .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "AAAAAAAAAAAAAAAAAAAAAAAAAAA" .Linfo_string1: .asciz "BBBBBBBBBBBBBBBBBBBBBBBBBBB"