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Diffstat (limited to 'arch/sh/include/asm/hw_breakpoint.h')
-rw-r--r--arch/sh/include/asm/hw_breakpoint.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/sh/include/asm/hw_breakpoint.h b/arch/sh/include/asm/hw_breakpoint.h
new file mode 100644
index 00000000000..0f4a00f6005
--- /dev/null
+++ b/arch/sh/include/asm/hw_breakpoint.h
@@ -0,0 +1,53 @@
+#ifndef __ASM_SH_HW_BREAKPOINT_H
+#define __ASM_SH_HW_BREAKPOINT_H
+
+#include <linux/kdebug.h>
+#include <linux/types.h>
+#include <asm/ubc.h>
+
+#ifdef __KERNEL__
+#define __ARCH_HW_BREAKPOINT_H
+
+struct arch_hw_breakpoint {
+ char *name; /* Contains name of the symbol to set bkpt */
+ unsigned long address;
+ unsigned long asid;
+ u16 len;
+ u16 type;
+};
+
+enum {
+ SH_BREAKPOINT_READ = (1 << 1),
+ SH_BREAKPOINT_WRITE = (1 << 2),
+ SH_BREAKPOINT_RW = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE,
+
+ SH_BREAKPOINT_LEN_1 = (1 << 12),
+ SH_BREAKPOINT_LEN_2 = (1 << 13),
+ SH_BREAKPOINT_LEN_4 = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2,
+ SH_BREAKPOINT_LEN_8 = (1 << 14),
+};
+
+/* Total number of available UBC channels */
+#define HBP_NUM 1 /* XXX */
+
+struct perf_event;
+struct task_struct;
+struct pmu;
+
+extern int arch_check_va_in_userspace(unsigned long va, u16 hbp_len);
+extern int arch_validate_hwbkpt_settings(struct perf_event *bp,
+ struct task_struct *tsk);
+extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
+ unsigned long val, void *data);
+
+int arch_install_hw_breakpoint(struct perf_event *bp);
+void arch_uninstall_hw_breakpoint(struct perf_event *bp);
+void hw_breakpoint_pmu_read(struct perf_event *bp);
+void hw_breakpoint_pmu_unthrottle(struct perf_event *bp);
+
+extern void arch_fill_perf_breakpoint(struct perf_event *bp);
+
+extern struct pmu perf_ops_bp;
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_HW_BREAKPOINT_H */