On Saturday 29 July 2006 21:57, Kip Macy wrote:
Looking at siginfo it isn't clear that there is a right way to
provide SIGSEGV, eva, and the error code.
_fault._trapno should contain the machine's error code and si_signo
should contain SIGSEGV, and si_addr contains the faulting pc. Maybe
one
si_addr doesn't contain the faulting pc, it contains the address that
So either the comment is wrong, or that is a technically incorrect
kludge. However, given that a number of the other fields are not
filled out at all, the real objective should be to keep applications
working.
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On Sunday 30 July 2006 21:30, Kip Macy wrote:
si_addr doesn't contain the faulting pc, it contains the address
that
So either the comment is wrong, or that is a technically incorrect
kludge. However, given that a number of the other fields are not
filled out at all, the real objective
I'm refering to the following two lines in sys/i386/i386/trap.c
/* kludge to pass faulting virtual address to sendsig */
frame-tf_err = eva;
Isn't there some other way to do this? Wouldn't the address still be
available in %cr2 inside sendsig? Or could there have been other page
faults by
Looking at siginfo it isn't clear that there is a right way to
provide SIGSEGV, eva, and the error code.
_fault._trapno should contain the machine's error code and si_signo
should contain SIGSEGV, and si_addr contains the faulting pc. Maybe
one could abuse si_code to contain eva. Sorry for
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