[lldb-dev] Bug fixes for release_38 branch

Fri Apr 29 05:28:13 PDT 2016

Is there any reason you want to use the release_38 branch specifically? As
far as I know nobody tested it or using it in the LLDB community so it is
approximately as good as any random commit on master. If you are looking
for a reasonably stable LLDB then I think you are better off with asking
for the version number shipped with xcode or with Android Studio as those
versions are a bit more tested and it is used by some users as well.

On Thu, Apr 28, 2016 at 8:57 PM Francis Ricci via lldb-dev <
lldb-dev at lists.llvm.org> wrote:

> Over the last month or two, I've been working to stabilize the release_38
> branch of lldb, and there are commits which fix bugs on this branch that
> I'd like to cherry-pick down. They're listed at the bottom of this message.
>
> One thing to note - r251106 is a commit I'd like to revert, instead of a
> cherry-pick. When we use this commit (multithreaded dwarf parsing) on the
> 3.8 branch, I run into a lot of dwarf assertion failures, even after
> cherry-picking all the dwarf fixes I could find from master. I don't see
> these assertion failures on master, so it's definitely an issue that's been
> fixed since the branch cut, but I think the best solution for the
> release_38 branch is to disable it for now.
>
> r264810 will have a small merge conflict due to an indentation change in
> lldbpexpect.py
> r263735 will have a small merge conflict due to a whitespace change on
> master. Everything else should apply cleanly.
>
> Commits:
> r267741 Use absolute module path when possible if sent in svr4 packets
> r264810 Fixed the failing test TestCommandScriptImmediateOutput on MacOSX
> r267468 Maintain register numbering across xml include features
> r267467 Properly unload modules from target image list when using svr4
> packets
> r267466 Use Process Plugin register indices when communicating with remote
> r267463 Store absolute path for lldb executable in dotest.py
> r267462 Create _lldb python symlink correctly when LLVM_LIBDIR_SUFFIX is
> used
> r265422 Fix dotest.py '-p' option for multi-process mode
> r265420 Print environment when dumping arch triple
> r265419 Make sure to update Target arch if environment changed
> r265418 Allow gdbremote process to read modules from memory
> r264476 Fix FILE * leak in Python API
> r264351 Make File option flags consistent for Python API
> r263824 Fixed a bug where DW_AT_start_scope would fall through to
> DW_AT_artificial in SymbolFileDWARF::ParseVariableDIE(). This was caught by
> the clang warning that catches unannotated case fall throughs.
> r263735 Fix deadlock due to thread list locking in 'bt all' with obj-c
> r261858 Handle the case when a variable is only valid in part of the
> enclosing scope
> r261598 Fixed a problem where the DWARF for inline functions was
> mis-parsed.
> r261279 Make sure code that is in the middle of figuring out the correct
> architecture on attach uses the architecture it has figured out, rather
> than the Target's architecture, which may not have been updated to the
> correct value yet.
> r260626 Don't crash if we have a DIE that has a DW_AT_ranges attribute and
> yet the SymbolFileDWARF doesn't have a DebugRanges. If this happens print a
> nice error message to prompt the user to file a bug and attach the
> offending DWARF file so we can get the correct compiler fixed.
> r260618 Removed a bad assertion:
> r260322 Added code that was commented out during testing to stops template
> member functions from being added to class definitions (see revision 260308
> for details).
> r260308 Fixed many issues that were causing differing type definition
> issues to show up when parsing expressions.
> r259962 Fix "thread backtrace -s": option was misparsed because of a
> missing break.
> r258367 Fix a problem where we were not calling fcntl() with the correct
> arguments for F_DUPFD
> r257786 Fixed a crasher when dealing with table entries that have blank
> names.
> r257644 Fix an issue where scripted commands would not actually print any
> of their output if an immediate output file was set in the result object
> via a Python file object
> REVERT - r251106 Re-commit "Make dwarf parsing multi-threaded"
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