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* Fix detection and use of `USE_LIBDW`Erik de Castro Lopo2016-06-011-1/+1
| | | | | | | | | | | | Test Plan: Configure/build with and without --enable-libdw Reviewers: trofi, hvr, austin, simonmar, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2276
* rts: Expose more libdw symbolsBen Gamari2015-11-231-10/+0
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* Libdw: Fix symbol namingBen Gamari2015-11-011-10/+10
| | | | RTS convention is to use camel-case.
* Libdw: Add libdw-based stack unwindingBen Gamari2015-10-171-0/+58
This adds basic support to the RTS for DWARF-assisted unwinding of the Haskell and C stack via libdw. This only adds the infrastructure; consumers of this functionality will be introduced in future diffs. Currently we are carrying the initial register collection code in Libdw.c but this will eventually make its way upstream to libdw. Test Plan: See future patches Reviewers: Tarrasch, scpmw, austin, simonmar Reviewed By: austin, simonmar Subscribers: simonmar, thomie, erikd Differential Revision: https://phabricator.haskell.org/D1196 GHC Trac Issues: #10656