Assembler errors when compiling nofib benchmarks with -optc-g

[Guilherme Oliveira]

Hi guys,

I am new on this nofib library, could you tell me where can I download it?

Thanks,
Guilherme Kely de Melo Oliveira

2009/10/31 Henry DeYoung <hdeyoung at cs.cmu.edu>

> Hi,
>
> I am working with another grad student on a course project on cache
> behavior of GHC programs.  The first part of this project is to reproduce
> some of the measurements from Nethercote and Mycroft's "The Cache Behavior
> of Large Lazy Functional Programs on Stock Hardware".
>
> We've decided to use oprofile to sample cache misses recorded by the
> performance counters.  To get reasonable information out of oprofile, I'd
> like to compile the nofib benchmarks via C with export of debugging
> symbols.
>
> As a first step toward this, I've changed the NoFibHcOpts variable in
> nofib/mk/boilerplate.mk to be:
>
>    NoFibHcOpts = -O -fvia-C -pgmc gcc -optc-g
>
> However, when I do make in the nofib/real/compress directory, for example,
> I get the following error message:
>
> ==nofib== compress: time to compile BinConv follows...
> /usr0/software/ghc-6.10.1/inplace/bin/ghc-stage2 -H32m -O -O -fvia-C -pgmc
> gcc -optc-g -Rghc-timing -H32m -hisuf hi -c BinCon
> v.hs -o BinConv.o
> <<ghc: 83082120 bytes, 8 GCs, 5163477/9786528 avg/max bytes residency (3
> samples), 33M in use, 0.00 INIT (0.00 elapsed), 0.14
>  MUT (1.25 elapsed), 0.10 GC (0.12 elapsed) :ghc>>
> 1.27user 0.12system 0:01.39elapsed 100%CPU (0avgtext+0avgdata
> 0maxresident)k
> 0inputs+0outputs (0major+21251minor)pagefaults 0swaps
> ==nofib== compress: size of BinConv.o follows...
>   text    data     bss     dec     hex filename
>   6677     192       8    6877    1add BinConv.o
> ==nofib== compress: time to compile BinTest follows...
> /usr0/software/ghc-6.10.1/inplace/bin/ghc-stage2 -H32m -O -O -fvia-C -pgmc
> gcc -optc-g -Rghc-timing -H32m -hisuf hi -c BinTes
> t.hs -o BinTest.o
> /tmp/ghc14909_0/ghc14909_0.s: Assembler messages:
>
> /tmp/ghc14909_0/ghc14909_0.s:54:0:  Error: unassigned file number 1
>
> /tmp/ghc14909_0/ghc14909_0.s:54:0:
>     Error: junk at end of line, first unrecognized character is `0'
>
> /tmp/ghc14909_0/ghc14909_0.s:56:0:  Error: unassigned file number 1
>
> /tmp/ghc14909_0/ghc14909_0.s:56:0:
>     Error: junk at end of line, first unrecognized character is `0'
>
> /tmp/ghc14909_0/ghc14909_0.s:57:0:  Error: unassigned file number 1
>
> /tmp/ghc14909_0/ghc14909_0.s:57:0:
>     Error: junk at end of line, first unrecognized character is `0'
>
> /tmp/ghc14909_0/ghc14909_0.s:61:0:  Error: unassigned file number 1
>
> /tmp/ghc14909_0/ghc14909_0.s:61:0:
>     Error: junk at end of line, first unrecognized character is `0'
>
> etc...
>
> Curiously, if I remove the -optc-g flag, but still use -fvia-C and -pgmc
> gcc, everything works fine.
>
> Do you have any ideas what might be causing these errors?  Is there a fix
> or workaround to get the C compiler to export debugging symbols?
>
>
> Second, it appears that a make with -fvia-C -pgmc gcc removes the C source
> after it has been compiled.  Is there a way to preserve this source so
> that it can be annotated line by line using oprofile?
>
>
> I apologize if these questions are rudimentary; this is my first
> experience with GHC and nofib.  Also, if these questions should be
> directed toward a different mailing list, please let me know.
>
> Thanks for any help you can give with this!
>
> Henry
>
>
>
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