[Lldb-commits] [PATCH] D55757: ELF: Don't create sections for section 0

[Pavel Labath via Phabricator via lldb-commits]

labath created this revision.
labath added reviewers: clayborg, krytarowski, joerg.
Herald added subscribers: arichardson, emaste.
Herald added a reviewer: espindola.

The first section header does not define a real section. Instead it is
used for various elf extensions. This patch skips creation of a section
for index 0.

This has one furtunate side-effect, as it allows us to use the section
header index as the Section ID (where 0 is also invalid), and allows us
to get rid of a lot of spurious +1s in the ObjectFileELF code.


https://reviews.llvm.org/D55757

Files:
  lit/Modules/ELF/many-sections.s
  lit/Modules/MachO/subsections.yaml
  source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
  source/Plugins/ObjectFile/ELF/ObjectFileELF.h
  tools/lldb-test/lldb-test.cpp

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