1 files changed, 53 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
new file mode 100644
index 000000000..eea3f3df0
--- /dev/null
+++ b/arch/parisc/include/asm/ptrace.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
+** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
+*/
+#ifndef _PARISC_PTRACE_H
+#define _PARISC_PTRACE_H
+
+#include <asm/assembly.h>
+#include <uapi/asm/ptrace.h>
+
+#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
+
+#define arch_has_single_step()	1
+#define arch_has_block_step()	1
+
+/* XXX should we use iaoq[1] or iaoq[0] ? */
+#define user_mode(regs)			(((regs)->iaoq[0] & 3) != PRIV_KERNEL)
+#define user_space(regs)		((regs)->iasq[1] != PRIV_KERNEL)
+#define instruction_pointer(regs)	((regs)->iaoq[0] & ~3)
+#define user_stack_pointer(regs)	((regs)->gr[30])
+unsigned long profile_pc(struct pt_regs *);
+
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+	return regs->gr[28];
+}
+
+static inline void instruction_pointer_set(struct pt_regs *regs,
+						unsigned long val)
+{
+	regs->iaoq[0] = val;
+	regs->iaoq[1] = val + 4;
+}
+
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+extern const char *regs_query_register_name(unsigned int offset);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, ipsw))
+
+#define kernel_stack_pointer(regs) ((regs)->gr[30])
+
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+					      unsigned int offset)
+{
+	if (unlikely(offset > MAX_REG_OFFSET))
+		return 0;
+	return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n);
+int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
+
+#endif