1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/include/asm/uprobes.h b/arch/mips/include/asm/uprobes.h
new file mode 100644
index 000000000..b86d1ae07
--- /dev/null
+++ b/arch/mips/include/asm/uprobes.h
@@ -0,0 +1,45 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_UPROBES_H
+#define __ASM_UPROBES_H
+
+#include <linux/notifier.h>
+#include <linux/types.h>
+
+#include <asm/break.h>
+#include <asm/inst.h>
+
+/*
+ * We want this to be defined as union mips_instruction but that makes the
+ * generic code blow up.
+ */
+typedef u32 uprobe_opcode_t;
+
+/*
+ * Classic MIPS (note this implementation doesn't consider microMIPS yet)
+ * instructions are always 4 bytes but in order to deal with branches and
+ * their delay slots, we treat instructions as having 8 bytes maximum.
+ */
+#define MAX_UINSN_BYTES			8
+#define UPROBE_XOL_SLOT_BYTES		128	/* Max. cache line size */
+
+#define UPROBE_BRK_UPROBE		0x000d000d	/* break 13 */
+#define UPROBE_BRK_UPROBE_XOL		0x000e000d	/* break 14 */
+
+#define UPROBE_SWBP_INSN		UPROBE_BRK_UPROBE
+#define UPROBE_SWBP_INSN_SIZE		4
+
+struct arch_uprobe {
+	unsigned long	resume_epc;
+	u32	insn[2];
+	u32	ixol[2];
+};
+
+struct arch_uprobe_task {
+	unsigned long saved_trap_nr;
+};
+
+#endif /* __ASM_UPROBES_H */