[GHC] #10383: AArch64: get GHC Calling convention working

[GHC]

#10383: AArch64: get GHC Calling convention working
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        Reporter:  erikd                |                   Owner:  erikd
            Type:  feature request      |                  Status:  new
        Priority:  normal               |               Milestone:  7.12.1
       Component:  Compiler             |                 Version:  7.11
      Resolution:                       |                Keywords:
Operating System:  Unknown/Multiple     |            Architecture:  aarch64
 Type of failure:  Building GHC failed  |               Test Case:
      Blocked By:                       |                Blocking:
 Related Tickets:                       |  Differential Revisions:
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Comment (by erikd):

 With the above patch to `StgRun`, the new backtrace in GDB looks like:

 {{{
 ghc-stage2: internal error: invalid closure, info=(nil)
     (GHC version 7.11.20150602 for aarch64_unknown_linux)
     Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug

 Program received signal SIGABRT, Aborted.
 0x0000007fb3c009b8 in __GI_raise (sig=sig at entry=6) at
 ../nptl/sysdeps/unix/sysv/
 linux/raise.c:56
 56      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or
 directory.
 (gdb) bt
 #0  0x0000007fb3c009b8 in __GI_raise (sig=sig at entry=6) at
 ../nptl/sysdeps/unix/
 sysv/linux/raise.c:56
 #1  0x0000007fb3c01cc0 in __GI_abort () at abort.c:89
 #2  0x0000007fb3d74628 in rtsFatalInternalErrorFn (s=0x7fb3dbb820 "invalid
 closure, info=%p", ap=...) at rts/RtsMessages.c:170
 #3  0x0000007fb3d74140 in barf (s=0x7fb3dbb820 "invalid closure, info=%p")
 at
 rts/RtsMessages.c:42
 #4  0x0000007fb3d92740 in evacuate1 (p=0x7fb3aad560) at rts/sm/Evac.c:384
 #5  0x0000007fb3d8392c in scavenge_block1 (bd=0x7fb3a02b40) at
 rts/sm/Scav.c:464
 #6  0x0000007fb3d85df4 in scavenge_find_work () at rts/sm/Scav.c:2009
 #7  0x0000007fb3d85f98 in scavenge_loop1 () at rts/sm/Scav.c:2085
 #8  0x0000007fb3d8d980 in scavenge_until_all_done () at rts/sm/GC.c:977
 #9  0x0000007fb3d8c334 in GarbageCollect (collect_gen=0,
 do_heap_census=rtsFalse,
 gc_type=2, cap=0x7fb3dc4980 <MainCapability>) at rts/sm/GC.c:396
 #10 0x0000007fb3d608bc in scheduleDoGC (pcap=0x7fffffec88, task=0x5151c0,
 force_major=rtsFalse) at rts/Schedule.c:1674
 #11 0x0000007fb3d5ed8c in schedule (initialCapability=0x7fb3dc4980
 <MainCapability>, task=0x5151c0) at rts/Schedule.c:557
 #12 0x0000007fb3d61ab4 in scheduleWaitThread (tso=0x7fb3a0b388, ret=0x0,
 pcap=0x7fffffee00) at rts/Schedule.c:2383
 #13 0x0000007fb3d6349c in rts_evalLazyIO (cap=0x7fffffee00, p=0x4c36a0
 <ZCMain_main_closure>, ret=0x0) at rts/RtsAPI.c:500
 #14 0x0000007fb3d7b348 in hs_main (argc=2, argv=0x7ffffff018,
 main_closure=0x4c36a0 <ZCMain_main_closure>, rts_config=...) at
 rts/RtsMain.c:64
 #15 0x00000000004bca48 in main ()
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10383#comment:12>
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