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add location info to the backtrace #63

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merged 7 commits into from
Sep 17, 2020
Merged

add location info to the backtrace #63

merged 7 commits into from
Sep 17, 2020

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japaric
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@japaric japaric commented Sep 16, 2020

closes #17

backtrace

this is works towards #17
for now it extends the backtrace with inlined functions (which were not shown
before)
it doesn't add line info just yet though there is some, no super-precise line
info available
@japaric japaric changed the title start using DWARF info in the unwinder add location info to the backtrace Sep 17, 2020
@japaric japaric marked this pull request as ready for review September 17, 2020 12:16
let subroutine = frames
.last()
.expect("BUG: `addr2line::FrameIter` was empty");
let has_valid_debuginfo = if let Some(function) = subroutine.function.as_ref() {
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without this workaround addr2line was reporting __udivmodsi4 as the first frame of the backtrace.

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Very nice!

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@jonas-schievink jonas-schievink merged commit 79460fa into main Sep 17, 2020
@jonas-schievink jonas-schievink deleted the unwind-dwarf branch September 17, 2020 13:17
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Decorate backtrace with location information (file+line)
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