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Author SHA1 Message Date
Alexey Lapshin 3ed04f93e3 [llvm-objcopy][NFC] refactor error handling. part 1. 
Remove usages of special error reporting functions(error(),
reportError()). This patch is extracted from D87987.
Errors are reported as Expected<>/Error returning values.
This part is for MachO subfolder of llvm-objcopy.

Testing: check-all.

Reviewed By: jhenderson, alexshap

Differential Revision: https://reviews.llvm.org/D88113
 2020-09-24 14:37:30 +03:00
Alexander Shaposhnikov 913bc312b5 [llvm-objcopy][MachO] Add support for LC_CODE_SIGNATURE 
This diff adds support for copying binaries
containing a LC_CODE_SIGNATURE load command.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D81768
 2020-06-15 18:55:59 -07:00
Alexander Shaposhnikov 842a8cc10c [llvm-objcopy][MachO] Add support for removing Swift symbols 
cctools strip has the option "-T" which removes Swift symbols.
This diff implements this option in llvm-strip for MachO.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D80099
 2020-05-26 16:49:56 -07:00
Seiya Nuta 552bcb854c Recommit "[llvm-objcopy][MachO] Support load commands used in executables/shared libraries" 
Summary:
This patch implements copying some load commands that appear in executables/shared libraries such as the indirect symbol table.

I don't add tests intentionally because this patch is incomplete: we need a layout algorithm for executables/shared libraries. I'll submit it as a separate patch with tests.

Reviewers: alexshap, rupprecht, jhenderson, compnerd

Reviewed By: alexshap

Subscribers: abrachet, mgorny, mgrang, MaskRay, mtrent, jakehehrlich, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63395

llvm-svn: 369298
 2019-08-19 21:05:31 +00:00
Seiya Nuta 1e335611ad Revert r369230 and r369231 
Looks these commits break CI builds:

- http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-gn/builds/4159

This commit reverts r369230 and r369231 (git coommit: 4a198a7 and dee9546).

llvm-svn: 369234
 2019-08-19 06:45:48 +00:00
Seiya Nuta 4a198a7f99 [llvm-objcopy][MachO] Support load commands used in executables/shared libraries 
Summary:
This patch implements copying some load commands that appear in executables/shared libraries such as the indirect symbol table.

I don't add tests intentionally because this patch is incomplete: we need a layout algorithm for executables/shared libraries. I'll submit it as a separate patch with tests.

Reviewers: alexshap, rupprecht, jhenderson, compnerd

Reviewed By: alexshap

Subscribers: abrachet, mgorny, mgrang, MaskRay, mtrent, jakehehrlich, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63395

llvm-svn: 369230
 2019-08-19 05:37:38 +00:00
Seiya Nuta f923d9b53f [llvm-objcopy][MachO] Rebuild the symbol/string table in the writer 
Summary: Build the string table using StringTableBuilder, reassign symbol indices, and update symbol indices in relocations to allow adding/modifying/removing symbols from the object.

Reviewers: alexshap, rupprecht, jhenderson

Reviewed By: alexshap

Subscribers: mgorny, jakehehrlich, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63309

llvm-svn: 364000
 2019-06-21 00:21:50 +00:00
Chandler Carruth 127252b7d9 Update new files added to llvm-objcopy to use the new file header. 
llvm-svn: 353666
 2019-02-11 08:25:19 +00:00
Alexander Shaposhnikov d911ed10af [llvm-objcopy] Add ability to copy MachO object files 
This diff implements first bits for copying (without modification) MachO object files.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D54674

llvm-svn: 352944
 2019-02-02 00:38:07 +00:00