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Currently we have 2 tests for testing versioning sections:
1) elf-versioninfo.test
2) elf-invalid-versioning.test
The first one currently checks how versioning sections are dumped +
how tools dump invalid SHT_GNU_verdef section.
The second despite of its name contains only tests for invalid SHT_GNU_verneed section.
In this patch I`ve renamed elf-invalid-versioning.test->elf-verneed-invalid.test,
and moved a few tests from elf-versioninfo.test to a new elf-verdef-invalid.test.
It will help to maintain these and a new tests for broken versioning sections.
Differential revision:
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Our elf-versioninfo.test is not perfect. It does not properly test how
flags are dumped and also we have a bug: they are dumped as enums in
LLVM style now, i.e not dumped properly.
GNU style uses a `versionFlagToString` method to build a string from flags
which seems is consistent with GNU readelf.
In this patch I fixed the issues mentioned.
Differential revision: https://reviews.llvm.org/D70399
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This updates the elf-invalid-versioning.test test case:
makes a cleanup, adds llvm-readobj calls and fixes 2
crash/assert issues I've found (test cases are provided).
Differential revision: https://reviews.llvm.org/D68705
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This patch tries to resolve problems faced in D68943
and uses some of the code written by Konrad Wilhelm Kleine
in that patch.
Previously, yaml2obj tool always created a .symtab section.
This patch changes that. With it we only create it when
have a "Symbols:" tag in the YAML document or when
we need to create it because it is used by another section(s).
obj2yaml follows the new behavior and does not print "Symbols:"
anymore when there is no symbol table.
Differential revision: https://reviews.llvm.org/D69041
llvm-svn: 375361
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Linkers (ld.bfd/gold/lld) place the section header table at the very
end. This allows tools to strip it, which is optional in executable/shared objects.
In addition, if we add or section, the size of the section header table
will change. Placing the section header table in the end keeps section
offsets unchanged.
yaml2obj currently places the section header table immediately after the
program header. Follow what linkers do to make offset updating easier.
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D67221
llvm-svn: 371074
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https://reviews.llvm.org/D60122 (r357595) changed the
symbols description format.
This change fix two more new test cases to fix BB:
http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/16205/steps/test-stage1-compiler/logs/stdio
llvm-svn: 357598
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Summary: Currently, `llvm-readobj` do not support GNU style dumper for symbol versioning sections. In this patch, I would like to implement dumper for `.gnu.version` section
Reviewers: jhenderson, rupprecht, grimar
Reviewed By: jhenderson, rupprecht
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D59877
llvm-svn: 357578
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