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-rw-r--r--arch/parisc/include/asm/kprobes.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/kprobes.h b/arch/parisc/include/asm/kprobes.h
new file mode 100644
index 000000000..0a175ac87
--- /dev/null
+++ b/arch/parisc/include/asm/kprobes.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/parisc/include/asm/kprobes.h
+ *
+ * PA-RISC kprobes implementation
+ *
+ * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
+ */
+
+#ifndef _PARISC_KPROBES_H
+#define _PARISC_KPROBES_H
+
+#ifdef CONFIG_KPROBES
+
+#include <asm-generic/kprobes.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/notifier.h>
+
+#define PARISC_KPROBES_BREAK_INSN 0x3ff801f
+#define PARISC_KPROBES_BREAK_INSN2 0x3ff801e
+#define __ARCH_WANT_KPROBES_INSN_SLOT
+#define MAX_INSN_SIZE 2
+
+typedef u32 kprobe_opcode_t;
+struct kprobe;
+
+void arch_remove_kprobe(struct kprobe *p);
+
+#define flush_insn_slot(p) \
+ flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \
+ (unsigned long)&(p)->ainsn.insn[0] + \
+ MAX_INSN_SIZE*sizeof(kprobe_opcode_t))
+
+#define kretprobe_blacklist_size 0
+
+struct arch_specific_insn {
+ kprobe_opcode_t *insn;
+};
+
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+};
+
+struct kprobe_ctlblk {
+ unsigned int kprobe_status;
+ struct prev_kprobe prev_kprobe;
+ unsigned long iaoq[2];
+};
+
+int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs);
+int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs);
+static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+{
+ return 0;
+}
+
+#endif /* CONFIG_KPROBES */
+#endif /* _PARISC_KPROBES_H */