On Thu, 2016-06-09 at 17:26 +1000, Michael Neuling wrote:
> On Thu, 2016-06-09 at 16:02 +1000, Chris Smart wrote:
> > Test that an ISA 3.0 compliant machine performing an unaligned copy,
> > copy_first, paste or paste_last is sent a SIGBUS.
>
> It's probably overkill but we could check in the signal handler that the
> sigbus was on the instruction we actually cared about. ie something like
> this in the sig handler for copy first.
>
> static void sig_handler(int signr, siginfo_t *info, void *ucontext)
> {
> ucontext_t *ctx = ucontext;
> unsigned int *pc = ctx->uc_mcontext.gp_regs[PT_NIP];
You're a hard taskmaster.
For it to build on 32-bit BE, you'll need:
#if defined(__powerpc64__)
pc = ctx->uc_mcontext.gp_regs[PT_NIP];
#else
pc = ctx->uc_mcontext.uc_regs->gregs[PT_NIP]
#endif
cheers
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