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| dalek | arVM: f5d97c3 | FROGGS++ | Configure.pl: dont build dyncall if --has-libffi is supplied, fixes #436 |
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| FROGGS | ./libmoar.so: undefined reference to `AO_fetch_compare_and_swap_full' | 12:29 | |
| collect2: error: ld returned 1 exit status | |||
| on s390x... | |||
| jnthn | FROGGS: My memory is hazy, but I think libatomicops is typically just macros on most platforms (and so maybe not linked in), but maybe it's defined as a function on s390x? Dunno though. | 12:32 | |
| github.com/ivmai/libatomic_ops/blo...s390.h#L44 | 12:33 | ||
| Seems that actually it may be really missing | 12:34 | ||
| FROGGS | jnthn: I'm using the lobatomic-ops debian package btw | 12:36 | |
| I think that's part of the problem: github.com/ivmai/libatomic_ops/blo...#L366-L377 | 13:21 | ||
| AO_HAVE_compare_and_swap_full *is* defined, just not one above, which we are using | |||
| err, the one below is the one we are using | 13:22 | ||
| FROGGS recompiles after applying a patch | 13:24 | ||
| ohh | 13:42 | ||
| src/moar.h:207:5: warning: implicit declaration of function 'AO_fetch_compare_and_swap_emulation' [-Wimplicit-function-declaration] | |||
| AO_fetch_compare_and_swap_emulation(addr, old, newval) | |||
| ^ | |||
| src/moar.h:207:5: note: in definition of macro 'AO_fetch_compare_and_swap_full' | |||
| AO_fetch_compare_and_swap_emulation(addr, old, newval) | |||
| that means it doesnt load the library right... | |||
| LDLIBS = -lffi -ltommath -latomic_ops -luv -lm -lpthread -lrt -ldl | 13:47 | ||
| # ls -l /usr/lib/s390x-linux-gnu/libatomic_ops.a | 13:48 | ||
| -rw-r--r-- 1 root root 4368 Oct 25 13:26 /usr/lib/s390x-linux-gnu/libatomic_ops.a | |||
| I was under the impression that -latomic_ops would pick up this static lib? | |||
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| diakopter | FROGGS: well is there a guard against loading the header twice? | 15:31 | |
| FROGGS | diakopter: no... | 16:05 | |
| diakopter: and after nqp and rakudo is build I try to protect it from loading twice... | 16:06 | ||
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| FROGGS_ | ewww, a lot of nativecall tests are failing on s390x :o( | 18:51 | |
| lizmat | endian issues ? | 18:52 | |
| FROGGS_ | don't know yet | 18:55 | |
| but we have other big endian machines where make test passes | |||
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| MasterDuke | in my playing around with backtraces, i added some printfs to MVM_exception_backtrace, github.com/MoarVM/MoarVM/blob/mast...ns.c#L362. i'm printing out filename_str and line_number (and also the "value" variable with each) | 20:38 | |
| however, filename_str and its "value" variable are always empty, while line_number has a value (that i can see in the Perl 6 backtrack output) but its associated "value" variable is also always empty | 20:39 | ||
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| dalek | arVM: 48c2482 | FROGGS++ | src/core/nativecall_libffi.c: handle libffi return type more corrent Again, see github.com/libffi/libffi/issues/286 |
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| FROGGS_ | correct* | 20:49 | |
| damn it | |||
| japhb | FROGGS_: 'correctly', I think | 20:52 | |
| MasterDuke | i also added some printfs to MVM_exception_backtrace_line, but they weren't showing up at all, but those i do see if i add --ll-exception | 20:53 | |
| and those are populated with the values i see in the Perl 6 backtrace | |||
| FROGGS_ | MasterDuke: I think I've observed the same in the past... but I cannot help you right now | 20:54 | |
| MasterDuke: so you're thinking that you printf wrong in MVM_exception_backtrace? | 20:56 | ||
| MasterDuke | no worries | ||
| printf("MVM_exception_backtrace: filename_str = %s, value = %s\n", filename_str, value); | |||
| hmm, filename_str is a MVMString, but value is an MVMObject, might need to do something with it | 20:57 | ||
| FROGGS_ | MVMString *filename_str; | 20:58 | |
| you cannot print that | |||
| MVM_string_utf8_encode_C_string(tc, filename_str) | |||
| MasterDuke | ah, thanks | 20:59 | |
| FROGGS_ | ohh, and value just seems to be a temporary var that holds the same | 21:00 | |
| MasterDuke | FROGGS_++, now there's stuff printed | ||
| FROGGS_ | \o/ | 21:01 | |
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| FROGGS_ | phew, s390x is fine now... | 21:57 | |
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| FROGGS_ | ohh, wait, have to push that libatomic_ops patch... well, will do that tomorrow | 22:00 | |
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