I believe this is due to https://phabricator.haskell.org/D4722
(cc Sergei Azovskov) I'm a bit surprised that gdb isn't showing anything though, it should know that the address corresponds to a temporary symbol like `.L1234`. Perhaps you need to compile with -g to make this work, I'm not sure. On Sun, 10 Feb 2019 at 07:50, Ömer Sinan Ağacan <omeraga...@gmail.com> wrote: > I'm currently working on a bug and one of the things I often want to know > is > what's on the stack. The problem is I can't see labels of continuations so > the > information is really useless. Example: > > >>> call printStack(((StgTSO*)0x42000e0198)->stackobj) > 0x42000c8788: RET_SMALL (0x512d70) > 0x42000c8790: RET_SMALL (0x40edf0) > stk[5] (0x42000c8798) = 0x7b3938 > 0x42000c87a0: CATCH_FRAME(0x735a98,0x7d3ff2) > 0x42000c87b8: STOP_FRAME(0x7311b8) > > (I modified the printer to print stack locations when printing stacks) > > Here I need to know which info table the RET_SMALLs return to. Normally I > do > this for other kinds of closures: > > >>> print ((StgClosure*)...)->header.info > $15 = (const StgInfoTable *) 0x404dc0 <Main_nats_info> > > But for continuations that doesn't work: > > >>> print ((StgClosure*)0x42000c8788)->header.info > $11 = (const StgInfoTable *) 0x512d80 > >>> info symbol 0x512d80 > No symbol matches 0x512d80. > > Anyone know how to make this work? Can I maybe mark the continuations > label in > the generated assembly somehow to make those labels available in gdb? > > Thanks > > Ömer > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs >
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