Messages in this thread | | | Date | Tue, 5 Mar 2013 12:33:26 +0530 | From | Ananth N Mavinakayanahalli <> | Subject | Re: [RFC PATCH v4 5/6] uretprobes: invoke return probe handlers |
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On Mon, Mar 04, 2013 at 03:38:12PM +0100, Anton Arapov wrote: > > diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h > index c353555..fa9d9de 100644 > --- a/arch/x86/include/asm/uprobes.h > +++ b/arch/x86/include/asm/uprobes.h > @@ -56,4 +56,9 @@ extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); > extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data); > extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs); > extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long rp_trampoline_vaddr, struct pt_regs *regs); > + > +static inline unsigned long arch_uretprobe_get_sp(struct pt_regs *regs) > +{ > + return (unsigned long)regs->sp; > +}
You could use GET_USP() here.
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