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-rw-r--r--arch/sparc/include/asm/kprobes.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h
new file mode 100644
index 000000000..06c2bc767
--- /dev/null
+++ b/arch/sparc/include/asm/kprobes.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SPARC64_KPROBES_H
+#define _SPARC64_KPROBES_H
+
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */
+#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
+
+#ifdef CONFIG_KPROBES
+#include <linux/types.h>
+#include <linux/percpu.h>
+
+typedef u32 kprobe_opcode_t;
+
+#define MAX_INSN_SIZE 2
+
+#define kretprobe_blacklist_size 0
+
+#define arch_remove_kprobe(p) do {} while (0)
+
+#define flush_insn_slot(p) \
+do { flushi(&(p)->ainsn.insn[0]); \
+ flushi(&(p)->ainsn.insn[1]); \
+} while (0)
+
+void __kretprobe_trampoline(void);
+
+/* Architecture specific copy of original instruction*/
+struct arch_specific_insn {
+ /* copy of the original instruction */
+ kprobe_opcode_t insn[MAX_INSN_SIZE];
+};
+
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+ unsigned long orig_tnpc;
+ unsigned long orig_tstate_pil;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+ unsigned long kprobe_status;
+ unsigned long kprobe_orig_tnpc;
+ unsigned long kprobe_orig_tstate_pil;
+ struct prev_kprobe prev_kprobe;
+};
+
+int kprobe_exceptions_notify(struct notifier_block *self,
+ unsigned long val, void *data);
+int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
+asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
+ struct pt_regs *regs);
+
+#endif /* CONFIG_KPROBES */
+#endif /* _SPARC64_KPROBES_H */