Bug 5959 - [tracker] ABI level stack unwind - lib.unwind
Summary: [tracker] ABI level stack unwind - lib.unwind
Status: ASSIGNED
Alias: None
Product: frysk
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
: P2 normal
Target Milestone: ---
Assignee: Unassigned
URL:
Keywords:
Depends on: 4060 5875 5962 5259 6029
Blocks: 2229
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Reported: 2008-03-18 15:55 IST by Andrew Cagney
Modified: 2008-05-20 11:15 IST (History)
0 users

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Description Andrew Cagney 2008-03-18 15:55:10 IST
Code for back tracing and unwinding.
Comment 1 Andrew Cagney 2008-03-18 15:55:28 IST
trackers are suspended
Comment 2 Mark Wielaard 2008-03-19 10:44:36 IST
Fixed by:

commit cba040e1437a19ae0f0b21d560b13cb6d2091282
Author: Mark Wielaard <mwielaard@redhat.com>
Date:   Wed Mar 12 14:22:49 2008 +0100

    Implement libunwind fallback for plt frame. Fixes bug #5259 on x86.
    
    frysk-core/frysk/stack/ChangeLog
    2008-03-12  Mark Wielaard  <mwielaard@redhat.com>
    
           * TestLibFunctionStepFrame.java: Mark only unresolved on x86_64
           and ppc. Only check first 24 steps (bug #5917). Tighter check for
           main and foo order.
    
    frysk-imports/libunwind/ChangeLog
    2007-03-12  Mark Wielaard  <mwielaard@redhat.com>
    
           * src/x86/Gstep.c (is_call_instr_at): New function.
           (init_stack_based_ret): New function.
           (unw_step): Try stack based unwind with call instr, before
           fallback to frame pointer.

Tracking last remaining x86_64 issue in bug #5962
Comment 3 Mark Wielaard 2008-03-19 10:45:09 IST
Test case and fix pushed.
Comment 4 Mark Wielaard 2008-03-19 10:58:14 IST
Comments #2 and #3 belong to bug #5259
Comment 5 Mark Wielaard 2008-03-19 10:58:45 IST
Is a tracker for all the stack unwind stuff.