xref: /OK3568_Linux_fs/kernel/tools/perf/arch/powerpc/util/unwind-libunwind.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright 2016 Chandan Kumar, IBM Corporation.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <errno.h>
7*4882a593Smuzhiyun #include <libunwind.h>
8*4882a593Smuzhiyun #include <asm/perf_regs.h>
9*4882a593Smuzhiyun #include "../../util/unwind.h"
10*4882a593Smuzhiyun #include "../../util/debug.h"
11*4882a593Smuzhiyun 
libunwind__arch_reg_id(int regnum)12*4882a593Smuzhiyun int libunwind__arch_reg_id(int regnum)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	switch (regnum) {
15*4882a593Smuzhiyun 	case UNW_PPC64_R0:
16*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R0;
17*4882a593Smuzhiyun 	case UNW_PPC64_R1:
18*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R1;
19*4882a593Smuzhiyun 	case UNW_PPC64_R2:
20*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R2;
21*4882a593Smuzhiyun 	case UNW_PPC64_R3:
22*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R3;
23*4882a593Smuzhiyun 	case UNW_PPC64_R4:
24*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R4;
25*4882a593Smuzhiyun 	case UNW_PPC64_R5:
26*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R5;
27*4882a593Smuzhiyun 	case UNW_PPC64_R6:
28*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R6;
29*4882a593Smuzhiyun 	case UNW_PPC64_R7:
30*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R7;
31*4882a593Smuzhiyun 	case UNW_PPC64_R8:
32*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R8;
33*4882a593Smuzhiyun 	case UNW_PPC64_R9:
34*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R9;
35*4882a593Smuzhiyun 	case UNW_PPC64_R10:
36*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R10;
37*4882a593Smuzhiyun 	case UNW_PPC64_R11:
38*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R11;
39*4882a593Smuzhiyun 	case UNW_PPC64_R12:
40*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R12;
41*4882a593Smuzhiyun 	case UNW_PPC64_R13:
42*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R13;
43*4882a593Smuzhiyun 	case UNW_PPC64_R14:
44*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R14;
45*4882a593Smuzhiyun 	case UNW_PPC64_R15:
46*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R15;
47*4882a593Smuzhiyun 	case UNW_PPC64_R16:
48*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R16;
49*4882a593Smuzhiyun 	case UNW_PPC64_R17:
50*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R17;
51*4882a593Smuzhiyun 	case UNW_PPC64_R18:
52*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R18;
53*4882a593Smuzhiyun 	case UNW_PPC64_R19:
54*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R19;
55*4882a593Smuzhiyun 	case UNW_PPC64_R20:
56*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R20;
57*4882a593Smuzhiyun 	case UNW_PPC64_R21:
58*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R21;
59*4882a593Smuzhiyun 	case UNW_PPC64_R22:
60*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R22;
61*4882a593Smuzhiyun 	case UNW_PPC64_R23:
62*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R23;
63*4882a593Smuzhiyun 	case UNW_PPC64_R24:
64*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R24;
65*4882a593Smuzhiyun 	case UNW_PPC64_R25:
66*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R25;
67*4882a593Smuzhiyun 	case UNW_PPC64_R26:
68*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R26;
69*4882a593Smuzhiyun 	case UNW_PPC64_R27:
70*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R27;
71*4882a593Smuzhiyun 	case UNW_PPC64_R28:
72*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R28;
73*4882a593Smuzhiyun 	case UNW_PPC64_R29:
74*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R29;
75*4882a593Smuzhiyun 	case UNW_PPC64_R30:
76*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R30;
77*4882a593Smuzhiyun 	case UNW_PPC64_R31:
78*4882a593Smuzhiyun 		return PERF_REG_POWERPC_R31;
79*4882a593Smuzhiyun 	case UNW_PPC64_LR:
80*4882a593Smuzhiyun 		return PERF_REG_POWERPC_LINK;
81*4882a593Smuzhiyun 	case UNW_PPC64_CTR:
82*4882a593Smuzhiyun 		return PERF_REG_POWERPC_CTR;
83*4882a593Smuzhiyun 	case UNW_PPC64_XER:
84*4882a593Smuzhiyun 		return PERF_REG_POWERPC_XER;
85*4882a593Smuzhiyun 	case UNW_PPC64_NIP:
86*4882a593Smuzhiyun 		return PERF_REG_POWERPC_NIP;
87*4882a593Smuzhiyun 	default:
88*4882a593Smuzhiyun 		pr_err("unwind: invalid reg id %d\n", regnum);
89*4882a593Smuzhiyun 		return -EINVAL;
90*4882a593Smuzhiyun 	}
91*4882a593Smuzhiyun 	return -EINVAL;
92*4882a593Smuzhiyun }
93