Messages in this thread | | | Subject | Re: [RFC PATCH] perf report: add sort by file lines | From | Peter Zijlstra <> | Date | Tue, 29 Mar 2011 19:08:53 +0200 |
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On Tue, 2011-03-29 at 19:06 +0200, Peter Zijlstra wrote: > On Tue, 2011-03-29 at 19:03 +0200, Peter Zijlstra wrote: > > > Is it an unwind of the call frame stack to find out what data member was > > > accessed? > > > > No need to unwind stacks, DWARF should have information on function > > local stack. It should be able to tell you the type of things like -8(% > > rbp). > > That is, we don't even have a life stack to unwind, so we simply cannot > unwind at all, but the debug information should be able to tell you the > type of whatever would live at a certain stack position if we were to > have a stack.
Furthermore, I've now completely exhausted my knowledge of debuginfo and hope Masami and Arnaldo will help with further details ;-)
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