This is the mail archive of the
mailing list for the Archer project.
Re: update on speedup project
- From: Roland McGrath <roland at redhat dot com>
- To: Tom Tromey <tromey at redhat dot com>
- Cc: Project Archer <archer at sourceware dot org>
- Date: Fri, 5 Sep 2008 15:01:16 -0700 (PDT)
- Subject: Re: update on speedup project
- References: <email@example.com>
> * The dwarf spec is a bit strange on the topic of qualification. It
> In the case of the name of a function member or static data member
> of a C++ structure, class or union, the name presented in the
> .debug_pubnames section is not the simple name given by the
> DW_AT_name attribute of the referenced debugging entry, but rather
> the fully qualified name of the data or function member.
> This omits namespaces, which is weird and (IMO) not useful.
I wouldn't take this as an exhaustive normative explanation.
Rather, I'd infer from "fully qualified" that it means all the
qualifications a name can have in the language in question.
You can ask firstname.lastname@example.org for clarification.
> * Supposedly, no existing debugger actually uses pubnames.
Porbably respondents on dwarf-discuss will act as a sufficient poll
to find out.
> Now I am looking at something Apple implemented: defer reading of
> shared library symbols until they are actually needed. I think this
> may be a simpler way to achieve the same goal of speeding up "attach".
What does "actually needed" mean? Until the first by-name search?
(It's clear what it means when you're not doing any by-name searches.)