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-rw-r--r--include/linux/hw_breakpoint.h25
1 files changed, 22 insertions, 3 deletions
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index c70d27a..a2d6ea4 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -9,9 +9,22 @@ enum {
};
enum {
- HW_BREAKPOINT_R = 1,
- HW_BREAKPOINT_W = 2,
- HW_BREAKPOINT_X = 4,
+ HW_BREAKPOINT_EMPTY = 0,
+ HW_BREAKPOINT_R = 1,
+ HW_BREAKPOINT_W = 2,
+ HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
+ HW_BREAKPOINT_X = 4,
+ HW_BREAKPOINT_INVALID = HW_BREAKPOINT_RW | HW_BREAKPOINT_X,
+};
+
+enum bp_type_idx {
+ TYPE_INST = 0,
+#ifdef CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
+ TYPE_DATA = 0,
+#else
+ TYPE_DATA = 1,
+#endif
+ TYPE_MAX
};
#ifdef __KERNEL__
@@ -34,6 +47,12 @@ static inline void hw_breakpoint_init(struct perf_event_attr *attr)
attr->sample_period = 1;
}
+static inline void ptrace_breakpoint_init(struct perf_event_attr *attr)
+{
+ hw_breakpoint_init(attr);
+ attr->exclude_kernel = 1;
+}
+
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
{
return bp->attr.bp_addr;
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