[lldb-dev] settings set target.source-map question

Pavel Labath via lldb-dev lldb-dev at lists.llvm.org
Wed Mar 14 01:36:23 PDT 2018

Sounds like a good idea to me.

(For testing I'd recommend a .ll file with the paths you need hard coded
and lldb-test breakpoint.)

On Wed, 14 Mar 2018 at 05:16, Greg Clayton via lldb-dev <
lldb-dev at lists.llvm.org> wrote:

> When using "settings set target.source-map", when we try to set
> breakpoints by file and line, we try to undo any source remapping we did so
> we can set the breakpoint correctly:
> BreakpointSP Target::CreateBreakpoint(const FileSpecList
> *containingModules,
>                                       const FileSpec &file, uint32_t
> line_no,
>                                       lldb::addr_t offset,
>                                       LazyBool check_inlines,
>                                       LazyBool skip_prologue, bool
> internal,
>                                       bool hardware,
>                                       LazyBool move_to_nearest_code) {
>   FileSpec remapped_file;
>   ConstString remapped_path;
>   if (GetSourcePathMap().ReverseRemapPath(ConstString(file.GetPath().c_str
> ()),
>                                           remapped_path))
>     remapped_file.SetFile(remapped_path.AsCString(), true);
>   else
>     remapped_file = file;
> Note that the "remapped_file.SetFile(remapped_path.AsCString(), true);"
> is saying to resolve the path. I don't believe we want this path to resolve
> itself right?
> I am currently running issues when using this with:
> (lldb) settings set target.source-map ./ /Users/me/source
> The debug info has all of the compilation directories set to "." and the
> resolving the path will cause the current working directory to be used when
> resolving the path and then we can't set breakpoints because the resolved
> path doesn't match. Any objections if I change the second argument to false
> so it doesn't resolve? I can't imagine we would want this reverse mapping
> to resolve??
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