Messages in this thread | | | Date | Thu, 24 Apr 2014 18:13:58 +0800 | Subject | Re: [PATCH 17/28] nios2: Signal handling support | From | Ley Foon Tan <> |
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On Thu, Apr 24, 2014 at 6:01 PM, Ley Foon Tan <lftan@altera.com> wrote: > On Sun, Apr 20, 2014 at 3:29 AM, Richard Weinberger > <richard.weinberger@gmail.com> wrote: > >>> + >>> + /* Default to using normal stack. */ >>> + usp = regs->sp; >>> + >>> + /* This is the X/Open sanctioned signal stack switching. */ >>> + if ((ka->sa.sa_flags & SA_ONSTACK) && (current->sas_ss_sp != 0)) { >>> + if (!on_sig_stack(usp)) >>> + usp = current->sas_ss_sp + current->sas_ss_size; >>> + } >> >> You can use sigsp() here. > Okay. > I just noticed that sigsp() have struct ksignal argument. We can use sigsp() for nios2 because it doesn't have struct ksignal.
unsigned long sigsp(unsigned long sp, struct ksignal *ksig);
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