Re: [Boost-bugs] [Boost C++ Libraries] #12400: libunwind fails to detect end-of-stack with boost::context

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #12400: libunwind fails to detect end-of-stack with boost::context
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2016-10-11 08:23:07

#12400: libunwind fails to detect end-of-stack with boost::context
-------------------------------+-----------------------------------------
  Reporter:  mmayorga@…        |      Owner:  olli
      Type:  Bugs              |     Status:  new
 Milestone:  To Be Determined  |  Component:  context
   Version:  Boost 1.56.0      |   Severity:  Problem
Resolution:                    |   Keywords:  libunwind context coroutine
-------------------------------+-----------------------------------------

Comment (by olli):

 your code seams to be false because RIP (address of cotnext-fn) is stored
 AS RIP in 0x30(%rax).
 the address of the 'finish' label is stored as the return address for the
 context-fn (e.g. if the context-fn returns, a branch to label 'finish'
 happens).

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/12400#comment:5>
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