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cfa97699f7
--compress-debug-sections in GNU ld, gas, and LLVM integrated assembler retain the uncompressed content if the compressed content is larger. This patch also updates the manpage (-O2 does not enable zlib level 6) and fixes a crash of --compress-sections when the uncompressed section is empty.
45 lines
1.4 KiB
ArmAsm
45 lines
1.4 KiB
ArmAsm
# REQUIRES: x86, zstd
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# RUN: llvm-mc -filetype=obj -triple=x86_64 --compress-debug-sections=zstd %s -o %t.o
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# RUN: ld.lld %t.o -o %t.so -shared
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# RUN: llvm-readelf -S -p .debug_str %t.so | FileCheck %s
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# CHECK: .debug_str PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 01 MS 0 0 1
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# CHECK: String dump of section '.debug_str':
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# CHECK-NEXT: [ 0] {{A+}}
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# CHECK-NEXT: [ 81] short unsigned int
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# CHECK-NEXT: [ 94] unsigned char
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# CHECK-NEXT: [ a2] char
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# CHECK-NEXT: [ a7] long unsigned int
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# CHECK-NEXT: [ b9] unsigned int
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# RUN: ld.lld %t.o -o %t.so -shared --compress-debug-sections=zstd
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# RUN: llvm-readelf -S %t.so | FileCheck %s --check-prefix=OUTPUT-SEC
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# RUN: llvm-objcopy --decompress-debug-sections %t.so
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# RUN: llvm-readelf -S -p .debug_str %t.so | FileCheck %s
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# OUTPUT-SEC: .debug_str PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 01 MSC 0 0 1
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# OUTPUT-SEC-NEXT: .debug_frame PROGBITS [[#%x,]] [[#%x,]] 000000 00 0 0 1
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# OUTPUT-SEC-NEXT: .debug_loc PROGBITS [[#%x,]] [[#%x,]] 000010 00 0 0 1
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.section .debug_str,"MS",@progbits,1
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.LASF2:
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.string "short unsigned int"
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.LASF3:
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.string "unsigned int"
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.LASF0:
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.string "long unsigned int"
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.LASF8:
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.string "char"
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.LASF1:
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.string "unsigned char"
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.Lunused:
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.fill 128, 1, 0x41
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.byte 0
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## Test sections where compressed content would be larger.
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.section .debug_frame,""
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.section .debug_loc,""
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.space 16
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