llvm-svn: 139786

Thanks Nick!

llvm-svn: 139778

llvm-svn: 139777

llvm-svn: 139776

llvm-svn: 139775

llvm-svn: 139774

llvm-svn: 139773

The llvm-dwarfdump output isn't very verbose yet.

llvm-svn: 139771

Ported from LLDB.

llvm-svn: 139732

llvm-svn: 139712

llvm-svn: 139705

llvm-dwarfdump: Make the "is debug info section" heuristic stricter so it doesn't accidentaly picks up the wrong section.

Also add some validation code to the aranges section parser.

Fixes PR10926.

llvm-svn: 139701

llvm-svn: 139684

This is only one half of it, the part that caches address ranges from the DIEs when .debug_aranges is
not available will be ported soon.

llvm-svn: 139680

llvm-svn: 139671

llvm-svn: 139646

llvm-svn: 139628

This introduces a new library to LLVM: libDebugInfo. It will provide debug information
parsing to LLVM. Much of the design and some of the code is taken from the LLDB project.

It also contains an llvm-dwarfdump tool that can dump the abbrevs and DIEs from an
object file. It can be used to write tests for DWARF input and output easily.

llvm-svn: 139627