From: "dblaikie at gmail dot com" <email@example.com>
Subject: [Bug tools/22288] eu-addr2line doesn't find a rust file:line
Date: Tue, 24 May 2022 00:18:14 +0000 [thread overview]
Message-ID: <bug-22288-10460-0eFsQ1EOXw@http.sourceware.org/bugzilla/> (raw)
--- Comment #5 from David Blaikie <dblaikie at gmail dot com> ---
Just a quick +1 to Comment #2 - consumers shouldn't rely on the presence of
.debug_aranges, or them being complete (DWARF doesn't require/guarantee this -
and Clang doesn't emit aranges by default, for instance). Each contribution to
.debug_aranges says which CU it covers and any CUs not covered should be
parsed/assumed to contain things covering other addresses.
Ideally parsing CUs lightly (just enough to get their CU ranges) should be
fairly cheap - cheap enough to be worth doing so to avoid/save producers having
to emit all the extra/duplicate data into .debug_aranges that's already covered
by CU ranges.
It'd be nice if Rust could revert/avoid emitting these aranges, like Clang
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prev parent reply other threads:[~2022-05-24 0:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-12 18:56 [Bug tools/22288] New: " jistone at redhat dot com
2017-10-12 20:36 ` [Bug tools/22288] " mark at klomp dot org
2017-10-12 20:49 ` jistone at redhat dot com
2017-10-12 22:42 ` jistone at redhat dot com
2019-11-19 17:24 ` jistone at redhat dot com
2022-05-24 0:18 ` dblaikie at gmail dot com [this message]
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