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4 Commits

Author SHA1 Message Date
Alexander Shaposhnikov
c19c3293d3 [ObjectYAML][MachO] Add support for relocations 
Add support for relocations for MachO to ObjectYAML / yaml2obj / obj2yaml.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D77844
 2020-04-22 11:50:55 -07:00
Seiya Nuta
b8dcc19389 [yaml2obj/obj2yaml][MachO] Fix a test failure in big endian hosts 
These section contents are dummy data (0xdeadbeef) and it's endianess
does not matter.

- http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/37265

llvm-svn: 369360
 2019-08-20 09:58:31 +00:00
Seiya Nuta
522377494b [yaml2obj/obj2yaml][MachO] Allow setting custom section data 
Reviewers: alexshap, jhenderson, rupprecht

Reviewed By: alexshap, jhenderson

Subscribers: abrachet, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65799

llvm-svn: 369348
 2019-08-20 08:49:07 +00:00
Seiya Nuta
4f15732067 [yaml2obj][MachO] Don't fill dummy data for virtual sections 
Summary:
Currently, MachOWriter::writeSectionData writes dummy data (0xdeadbeef) to fill section data areas in the file even if the section is a virtual one. Since virtual sections don't occupy any space in the file, writing dummy data could results the  "OS.tell() - fileStart <= Sec.offset" assertion failure.

This patch fixes the bug by simply not writing any dummy data for virtual sections.

Reviewers: beanz, jhenderson, rupprecht, alexshap

Reviewed By: alexshap

Subscribers: compnerd, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62991

llvm-svn: 363525
 2019-06-17 02:07:20 +00:00