1 files changed, 50 insertions, 0 deletions
diff --git a/tools/perf/util/dwarf-regs-csky.c b/tools/perf/util/dwarf-regs-csky.c
new file mode 100644
index 000000000000..d38ef1f07f3e
--- /dev/null
+++ b/tools/perf/util/dwarf-regs-csky.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+// Mapping of DWARF debug register numbers into register names.
+
+#include <stddef.h>
+#include <dwarf-regs.h>
+
+#define CSKY_ABIV2_MAX_REGS 73
+const char *csky_dwarf_regs_table_abiv2[CSKY_ABIV2_MAX_REGS] = {
+	/* r0 ~ r8 */
+	"%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3",
+	/* r9 ~ r15 */
+	"%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp",
+	"%lr",
+	/* r16 ~ r23 */
+	"%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4",
+	"%exregs5", "%exregs6", "%exregs7",
+	/* r24 ~ r31 */
+	"%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12",
+	"%exregs13", "%exregs14", "%tls",
+	"%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	"%epc",
+};
+
+#define CSKY_ABIV1_MAX_REGS 57
+const char *csky_dwarf_regs_table_abiv1[CSKY_ABIV1_MAX_REGS] = {
+	/* r0 ~ r8 */
+	"%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1",
+	/* r9 ~ r15 */
+	"%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8",
+	"%lr",
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	"%epc",
+};
+
+const char *get_csky_regstr(unsigned int n, unsigned int flags)
+{
+	if (flags & EF_CSKY_ABIV2)
+		return (n < CSKY_ABIV2_MAX_REGS) ? csky_dwarf_regs_table_abiv2[n] : NULL;
+
+	return (n < CSKY_ABIV1_MAX_REGS) ? csky_dwarf_regs_table_abiv1[n] : NULL;
+}