1 files changed, 61 insertions, 0 deletions
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
new file mode 100644
index 000000000..eeac181eb
--- /dev/null
+++ b/tools/perf/util/perf_regs.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_REGS_H
+#define __PERF_REGS_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+struct regs_dump;
+
+struct sample_reg {
+	const char *name;
+	uint64_t mask;
+};
+#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
+#define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
+#define SMPL_REG_END { .name = NULL }
+
+enum {
+	SDT_ARG_VALID = 0,
+	SDT_ARG_SKIP,
+};
+
+int arch_sdt_arg_parse_op(char *old_op, char **new_op);
+uint64_t arch__intr_reg_mask(void);
+uint64_t arch__user_reg_mask(void);
+
+#ifdef HAVE_PERF_REGS_SUPPORT
+extern const struct sample_reg sample_reg_masks[];
+
+#include <perf_regs.h>
+
+#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
+
+int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
+
+static inline const char *perf_reg_name(int id)
+{
+	const char *reg_name = __perf_reg_name(id);
+
+	return reg_name ?: "unknown";
+}
+
+#else
+#define PERF_REGS_MASK	0
+#define PERF_REGS_MAX	0
+
+#define DWARF_MINIMAL_REGS PERF_REGS_MASK
+
+static inline const char *perf_reg_name(int id __maybe_unused)
+{
+	return "unknown";
+}
+
+static inline int perf_reg_value(u64 *valp __maybe_unused,
+				 struct regs_dump *regs __maybe_unused,
+				 int id __maybe_unused)
+{
+	return 0;
+}
+#endif /* HAVE_PERF_REGS_SUPPORT */
+#endif /* __PERF_REGS_H */