Llvm Dwarf Support

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Source Level Debugging with LLVM — LLVM 10 documentation

    http://llvm.org/docs/SourceLevelDebugging.html
    With code generator support, it should be possible to use an LLVM compiler to compile a program to native machine code and standard debugging formats. This allows compatibility with traditional machine-code level debuggers, like GDB or DBX.

D67613 [DWARF-5] Support for DWARF-5 C++ language tags - …

    https://reviews.llvm.org/D67613
    rL372663: Support for DWARF-5 C++ language tags. rGbf9c8ffb5494: Support for DWARF-5 C++ language tags. rC372681: Support for DWARF-5 C++ language tags. ... Are you worried about #Including "llvm/BinaryFormat/DWARF.h" and making these definitions visible to users of DeclCXX.h? All symbols there are in a separate namespace.

D66643 [DWARF] Support DWARF64 in DWARFListTableHeader. - …

    https://reviews.llvm.org/D66643
    Aug 23, 2019 · This enables 64-bit DWARF support for parsing range and location list tables.

D73783 [lldb/DWARF] Re-enable basic dwp support

    https://reviews.llvm.org/D73783
    This patch removes the bitrotted SymbolFileDWARF(Dwo)Dwp classes, and replaces them with dwp support implemented directly inside SymbolFileDWARFDwo, in a manner mirroring the implementation in llvm.

[DebugInfo]: Support for debug_loclists ... - reviews.llvm.org

    https://reviews.llvm.org/D69462
    llvm/lib/DebugInfo/DWARF/DWARFDie.cpp 96–98 Yep, lldb does not support loclists.dwo (and its support for the non-dwo variant is somewhat dodgy as well). I am planning to address all of that by making lldb use the llvm classes for parsing (hence my other patches).

LLVM: llvm::DwarfUnit Class Reference

    https://llvm.org/doxygen/classllvm_1_1DwarfUnit.html
    Public Member Functions

LLVM: include/llvm/BinaryFormat/Dwarf.h File Reference

    http://llvm.org/doxygen/Dwarf_8h.html
    Classes: struct llvm::dwarf::FormParams A helper struct providing information about the byte size of DW_FORM values that vary in size depending on the DWARF version, address byte size, or DWARF32/DWARF64.

How to dump DWARF information into a file while llvm compiles?

    https://stackoverflow.com/questions/31495312/how-to-dump-dwarf-information-into-a-file-while-llvm-compiles
    How to dump DWARF information into a file while llvm compiles? ... I'd like to know how I might insert some code while llvm compiles IR so that a DWARF information file can be generated. (I'm not asking for using objdump/llvm-dwarfdump tools after the binary is generated) ... FWIW we only support split dwarf on linux right now due to needing an ...

LLVM Project Blog: LLVM on Windows now supports PDB Debug …

    http://blog.llvm.org/2017/08/llvm-on-windows-now-supports-pdb-debug.html
    CodeView is a debug information format invented by Microsoft in the mid 1980s. For various reasons, other debuggers developed an independent format called DWARF, which eventually became standardized and is now widely supported by many compilers and programming languages.

D72489 [DWARF] Emit DW_AT_call_return_pc as an address

    https://reviews.llvm.org/D72489
    This reverts D53469, which changed llvm's DWARF emission to emit DW_AT_call_return_pc as a function-local offset. Such an encoding is not compatible with post-link block re …



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