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ac820be777
Third Attempt:
- Alignment issues resolved.
- zlib::isAvailable() detected.
- ArrayRef misuse fixed.
Usage:
llvm-objcopy --compress-debug-sections=zlib foo.o
llvm-objcopy --compress-debug-sections=zlib-gnu foo.o
In both cases the debug section contents is compressed with zlib. In the GNU
style case the header is the "ZLIB" magic string followed by the uint64 big-
endian decompressed size. In the non-GNU mode the header is the
Elf(32|64)_Chdr.
Decompression support is coming soon.
Differential Revision: https://reviews.llvm.org/D49678
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@341635 91177308-0d34-0410-b5e6-96231b3b80d8
14 lines
360 B
Plaintext
14 lines
360 B
Plaintext
# REQUIRES: zlib
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# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o
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# RUN: llvm-objcopy --compress-debug-sections %t.o %t-compressed.o
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# RUN: llvm-readobj -s %t-compressed.o | FileCheck %s
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# CHECK: Name: .debug_foo
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# CHECK-NEXT: Type: SHT_PROGBITS
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: SHF_COMPRESSED
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# CHECK-NEXT: ]
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# CHECK-NOT: Name: .debug_foo
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