[PATCH] D58381: [mips] Put some MIPS-specific sections to separate segments

[Simon Atanasyan via Phabricator via llvm-commits]

atanasyan created this revision.
atanasyan added reviewers: ruiu, grimar.
atanasyan added a project: lld.
Herald added subscribers: MaskRay, jrtc27, kristof.beyls, arichardson, javed.absar, sdardis, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.

Three MIPS-specific sections `.reginfo`, `.MIPS.options`, and `.MIPS.abiflags` are used by loader to read their contents and setup environment for running a program. Loader looks up these data in the corresponding segments: `PT_MIPS_REGINFO`, `PT_MIPS_OPTIONS`, and `PT_MIPS_ABIFLAGS` respectively.

This patch put these sections to separate segments like we do already for ARM `SHT_ARM_EXIDX` section.


Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D58381

Files:
  lld/ELF/Writer.cpp
  lld/test/ELF/basic-mips.s
  lld/test/ELF/eh-frame-hdr-abs-fde.s
  lld/test/ELF/mips-got-string.s

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