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It is possible to use yaml2obj to create sections with overlapping sh_offset now.
This patch does that.
Differential revision: https://reviews.llvm.org/D67610
llvm-svn: 372081
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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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1) `-x foo` currently dumps one `foo`. This change makes it dump all `foo`.
2) `-x foo -x foo` currently dumps `foo` twice. This change makes it dump `foo` once.
In addition, if foo has section index 9, `-x foo -x 9` dumps `foo` once.
3) Give a warning instead of an error if `foo` does not exist.
The new behaviors match GNU readelf.
Also, print a new line as a separator between two section dumps.
GNU readelf uses two lines, but one seems good enough.
Reviewed By: grimar, jhenderson
Differential Revision: https://reviews.llvm.org/D63475
llvm-svn: 363683
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This patch adds a number of tests to test various cases not covered by
existing tests. All of them work correctly, with no need to change
llvm-objcopy itself, although some do indicate possible areas for
improvement.
Reviewed by: MaskRay
Differential Revision: https://reviews.llvm.org/D61727
llvm-svn: 360422
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