diff options
Diffstat (limited to 'lld/test/ELF/compress-sections.s')
| -rw-r--r-- | lld/test/ELF/compress-sections.s | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/lld/test/ELF/compress-sections.s b/lld/test/ELF/compress-sections.s new file mode 100644 index 000000000000..59b5408c9624 --- /dev/null +++ b/lld/test/ELF/compress-sections.s @@ -0,0 +1,91 @@ +# REQUIRES: x86, zlib, zstd + +# RUN: rm -rf %t && mkdir %t && cd %t +# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o a.o +# RUN: ld.lld -pie a.o -o out --compress-sections '*0=zlib' --compress-sections '*0=none' --compress-sections 'nomatch=none' +# RUN: llvm-readelf -SrsX out | FileCheck %s --check-prefix=CHECK1 + +# CHECK1: Name Type Address Off Size ES Flg Lk Inf Al +# CHECK1: foo0 PROGBITS [[#%x,FOO0:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 +# CHECK1-NEXT: foo1 PROGBITS [[#%x,FOO1:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 +# CHECK1-NEXT: .text PROGBITS [[#%x,TEXT:]] [[#%x,]] [[#%x,]] 00 AX 0 0 4 +# CHECK1: nonalloc0 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 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 + +# CHECK1: 0000000000000010 0 NOTYPE LOCAL DEFAULT [[#]] (nonalloc0) sym0 +# CHECK1: 0000000000000008 0 NOTYPE LOCAL DEFAULT [[#]] (nonalloc1) sym1 + +# RUN: ld.lld -pie a.o --compress-sections '*c0=zlib' --compress-sections .debug_str=zstd -o out2 +# RUN: llvm-readelf -SrsX -x nonalloc0 -x .debug_str out2 | FileCheck %s --check-prefix=CHECK2 + +# CHECK2: Name Type Address Off Size ES Flg Lk Inf Al +# CHECK2: foo0 PROGBITS [[#%x,FOO0:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 +# CHECK2-NEXT: foo1 PROGBITS [[#%x,FOO1:]] [[#%x,]] [[#%x,]] 00 A 0 0 8 +# CHECK2-NEXT: .text PROGBITS [[#%x,TEXT:]] [[#%x,]] [[#%x,]] 00 AX 0 0 4 +# CHECK2: nonalloc0 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 C 0 0 1 +# CHECK2-NEXT: nonalloc1 PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 0 0 8 +# CHECK2-NEXT: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MSC 0 0 1 + +# CHECK2: 0000000000000010 0 NOTYPE LOCAL DEFAULT [[#]] (nonalloc0) sym0 +# CHECK2: 0000000000000008 0 NOTYPE LOCAL DEFAULT [[#]] (nonalloc1) sym1 + +# CHECK2: Hex dump of section 'nonalloc0': +## zlib with ch_size=0x10 +# CHECK2-NEXT: 01000000 00000000 10000000 00000000 +# CHECK2-NEXT: 01000000 00000000 {{.*}} +# CHECK2: Hex dump of section '.debug_str': +## zstd with ch_size=0x38 +# CHECK2-NEXT: 02000000 00000000 38000000 00000000 +# CHECK2-NEXT: 01000000 00000000 {{.*}} + +## --compress-debug-sections=none takes precedence. +# RUN: ld.lld a.o --compress-debug-sections=none --compress-sections .debug_str=zstd -o out3 +# RUN: llvm-readelf -S out3 | FileCheck %s --check-prefix=CHECK3 + +# CHECK3: .debug_str PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 01 MS 0 0 1 + +# RUN: not ld.lld a.o --compress-sections '*0=zlib' 2>&1 | \ +# RUN: FileCheck %s --check-prefix=ERR-ALLOC --implicit-check-not=error: +# ERR-ALLOC: error: --compress-sections: section 'foo0' with the SHF_ALLOC flag cannot be compressed + +# RUN: not ld.lld --compress-sections=foo a.o 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: not ld.lld --compress-sections 'a[=zlib' a.o 2>&1 | \ +# RUN: FileCheck %s --check-prefix=ERR2 --implicit-check-not=error: +# ERR2: error: --compress-sections: invalid glob pattern, unmatched '[' + +# RUN: not ld.lld a.o --compress-sections='.debug*=zlib-gabi' --compress-sections='.debug*=' 2>&1 | \ +# RUN: FileCheck -check-prefix=ERR3 %s +# ERR3: unknown --compress-sections value: zlib-gabi +# ERR3-NEXT: --compress-sections: parse error, not 'section-glob=[none|zlib|zstd]' + +.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" |