Messages in this thread | | | Subject | Re: Determining address which caused SEGV | Date | Fri, 07 Jan 2000 18:04:59 -0500 | From | Jeff Dike <> |
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> I am trying to write a signal handler for SEGV that can figure out > what address was being accessed to cause the fault. Yes, I have a > good reason for wanting this.
This is how I handle it. It requires no setup at handler registration time (not that I did on purpose, anyway).
void user_segv_handler(int sig) { struct sigcontext_struct *sc;
sc = (struct sigcontext_struct *) (&sig + 1); ... }
> Yes, I have a good reason for wanting this.
A bunch of people do. The above is taken from my user-mode port of the kernel.
Jeff
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