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emaste opened this issue Feb 21, 2024 · 0 comments · Fixed by #82594
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llvm-readelf does not support compressed sections #82507

emaste opened this issue Feb 21, 2024 · 0 comments · Fixed by #82594
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@MaskRay
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tools:llvm-readobj/readelf

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@emaste
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emaste commented Feb 21, 2024

GNU binutils readelf and ELF Tool Chain readelf support -z to handle compressed sections (typically debug sections). From ELF Tool Chain's manpage:

     -z | --decompress
             Decompress contents of sections specified by -x or -p before
             displaying.  If the specified section is not compressed, it is
             displayed as is.

We are planning to migrate to LLVM's binutils-like tools and this is one issue identified during that process.
(FreeBSD bug reference https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258872)
@MaskRay MaskRay self-assigned this Feb 21, 2024
@MaskRay MaskRay mentioned this issue Feb 22, 2024
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MaskRay added a commit that referenced this issue Feb 22, 2024
@MaskRay
[llvm-readobj,ELF] Support --decompress/-z (#82594)
26d71d9 
When a section has the SHF_COMPRESSED flag, -p/-x dump the compressed
content by default. In GNU readelf, if --decompress/-z is specified,
-p/-x will dump the decompressed content. This patch implements the
option.

Close #82507
@brad0 brad0 mentioned this issue Feb 22, 2024
Closed
llvmbot pushed a commit to llvmbot/llvm-project that referenced this issue Feb 22, 2024
@MaskRay @llvmbot
[llvm-readobj,ELF] Support --decompress/-z (llvm#82594)
6ab419c 
When a section has the SHF_COMPRESSED flag, -p/-x dump the compressed
content by default. In GNU readelf, if --decompress/-z is specified,
-p/-x will dump the decompressed content. This patch implements the
option.

Close llvm#82507

(cherry picked from commit 26d71d9)
brad0 added a commit to brad0/llvm-project that referenced this issue Feb 23, 2024
@brad0
[llvm-readobj,ELF] Support --decompress/-z (llvm#82594)
0a53469 
When a section has the SHF_COMPRESSED flag, -p/-x dump the compressed
content by default. In GNU readelf, if --decompress/-z is specified,
-p/-x will dump the decompressed content. This patch implements the
option.

Close llvm#82507

(cherry picked from commit 26d71d9)
@brad0 brad0 mentioned this issue Feb 23, 2024
Closed
llvmbot pushed a commit to llvmbot/llvm-project that referenced this issue Feb 23, 2024
@MaskRay @llvmbot
[llvm-readobj,ELF] Support --decompress/-z (llvm#82594)
7b790b0 
When a section has the SHF_COMPRESSED flag, -p/-x dump the compressed
content by default. In GNU readelf, if --decompress/-z is specified,
-p/-x will dump the decompressed content. This patch implements the
option.

Close llvm#82507

(cherry picked from commit 26d71d9)
llvmbot pushed a commit to llvmbot/llvm-project that referenced this issue Feb 23, 2024
@MaskRay @tstellar
[llvm-readobj,ELF] Support --decompress/-z (llvm#82594)
4ba68ab 
When a section has the SHF_COMPRESSED flag, -p/-x dump the compressed
content by default. In GNU readelf, if --decompress/-z is specified,
-p/-x will dump the decompressed content. This patch implements the
option.

Close llvm#82507

(cherry picked from commit 26d71d9)
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[llvm-readobj,ELF] Support --decompress/-z llvm/llvm-project
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