Dalibor Topic wrote:
Hi Kiyo,
Kiyo Inaba wrote:
Hi,
One more problem. Except for alpha-linux, i386-freebsd, i386-linux, ia64-linux, and s390-linux, interrupt in 'kaffe/kaffevm/systems/unix-jthreads/jthread.h' can not be compiled. Because this function has its argument definition by using macro 'SIGNAL_ARGS(sig,sc)' and default def for this it 'int sig' and sc is not defined in this case. But this variable is used to 'EXCEPTIONFRAME' macro.
thanks for the bug anaysis, Milos also told me that was the reason why kaffe 1.1.1 doesn't build on NetBSD. The EXCEPTIONFRAME macro call in jthread.c has been introduced in the JVMPI patch. It has only been used before in the signal.c files of threading subsystem implementations, and it is defined away there for the interpreter case.
We fixed i386-netbsd by copying the definitions over from i386-freebsd2. That's hardly going to work for the other 50+ platforms, so we may need something more general ;)
The SIGNAL_ARGS macro and its friends came from the xprofiler implementation. I though that the current breakage could be fixed by defining a GET_SIGNAL_ARGS_CONTEXT macro to 0 when sc in SIGNAL_ARGS is defined away and using that to access sc in EXCPETIONFRAME. That doesn't work, since EXCEPTIONFRAME implementations rely on reading values out of sc. Dereferencing a 0 is a sure way to crash.
So it seems to be best if we could get rid of the EXCEPTIONFRAME call in jthread.c ;)
cheers, dalibor topic
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