powerpc, hw_breakpoints: Implement hw_breakpoints for 64-bit server processors

[pandora-kernel.git] / arch / powerpc / include / asm / processor.h

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 7492fe8..19c05b0 100644 (file)
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -209,6 +209,14 @@ struct thread_struct {
 #ifdef CONFIG_PPC64
        unsigned long   start_tb;       /* Start purr when proc switched in */
        unsigned long   accum_tb;       /* Total accumilated purr for process */
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+       struct perf_event *ptrace_bps[HBP_NUM];
+       /*
+        * Helps identify source of single-step exception and subsequent
+        * hw-breakpoint enablement
+        */
+       struct perf_event *last_hit_ubp;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 #endif
        unsigned long   dabr;           /* Data address breakpoint register */
 #ifdef CONFIG_ALTIVEC