1// SPDX-License-Identifier: GPL-2.0
2// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
3// Mapping of DWARF debug register numbers into register names.
4
5#include <stddef.h>
6#include <dwarf-regs.h>
7
8#if defined(__CSKYABIV2__)
9#define CSKY_MAX_REGS 73
10const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
11	/* r0 ~ r8 */
12	"%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3",
13	/* r9 ~ r15 */
14	"%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp",
15	"%lr",
16	/* r16 ~ r23 */
17	"%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4",
18	"%exregs5", "%exregs6", "%exregs7",
19	/* r24 ~ r31 */
20	"%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12",
21	"%exregs13", "%exregs14", "%tls",
22	"%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL,
23	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
24	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
25	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
26	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
27	"%epc",
28};
29#else
30#define CSKY_MAX_REGS 57
31const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
32	/* r0 ~ r8 */
33	"%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1",
34	/* r9 ~ r15 */
35	"%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8",
36	"%lr",
37	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
38	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
39	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
40	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
41	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
42	"%epc",
43};
44#endif
45
46const char *get_arch_regstr(unsigned int n)
47{
48	return (n < CSKY_MAX_REGS) ? csky_dwarf_regs_table[n] : NULL;
49}
50