[GHC] #3693: Show stack traces

[GHC]

#3693: Show stack traces
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  Reporter:  jpet             |          Owner:                  
      Type:  feature request  |         Status:  new             
  Priority:  normal           |      Milestone:  _|_             
 Component:  Runtime System   |        Version:  6.10.4          
Resolution:                   |       Keywords:                  
Difficulty:                   |             Os:  Unknown/Multiple
  Testcase:                   |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown     |  
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Comment (by asuffield):

 For memory and disk space concerns, this is why we use .debug sections
 (and sometimes place them in second files).

 For the difficulty of accessing and dumping it, how about not duplicating
 the effort? Emit the debugging information in DWARF format as if it was
 any other language, and either borrow the code from gdb, or (perhaps
 easier) teach gdb the few extra bits it needs to decipher ghc call stacks.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3693#comment:10>
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