xref: /OK3568_Linux_fs/kernel/tools/perf/arch/arm/util/unwind-libunwind.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun #include <errno.h>
4*4882a593Smuzhiyun #include <libunwind.h>
5*4882a593Smuzhiyun #include "perf_regs.h"
6*4882a593Smuzhiyun #include "../../util/unwind.h"
7*4882a593Smuzhiyun #include "../../util/debug.h"
8*4882a593Smuzhiyun 
libunwind__arch_reg_id(int regnum)9*4882a593Smuzhiyun int libunwind__arch_reg_id(int regnum)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun 	switch (regnum) {
12*4882a593Smuzhiyun 	case UNW_ARM_R0:
13*4882a593Smuzhiyun 		return PERF_REG_ARM_R0;
14*4882a593Smuzhiyun 	case UNW_ARM_R1:
15*4882a593Smuzhiyun 		return PERF_REG_ARM_R1;
16*4882a593Smuzhiyun 	case UNW_ARM_R2:
17*4882a593Smuzhiyun 		return PERF_REG_ARM_R2;
18*4882a593Smuzhiyun 	case UNW_ARM_R3:
19*4882a593Smuzhiyun 		return PERF_REG_ARM_R3;
20*4882a593Smuzhiyun 	case UNW_ARM_R4:
21*4882a593Smuzhiyun 		return PERF_REG_ARM_R4;
22*4882a593Smuzhiyun 	case UNW_ARM_R5:
23*4882a593Smuzhiyun 		return PERF_REG_ARM_R5;
24*4882a593Smuzhiyun 	case UNW_ARM_R6:
25*4882a593Smuzhiyun 		return PERF_REG_ARM_R6;
26*4882a593Smuzhiyun 	case UNW_ARM_R7:
27*4882a593Smuzhiyun 		return PERF_REG_ARM_R7;
28*4882a593Smuzhiyun 	case UNW_ARM_R8:
29*4882a593Smuzhiyun 		return PERF_REG_ARM_R8;
30*4882a593Smuzhiyun 	case UNW_ARM_R9:
31*4882a593Smuzhiyun 		return PERF_REG_ARM_R9;
32*4882a593Smuzhiyun 	case UNW_ARM_R10:
33*4882a593Smuzhiyun 		return PERF_REG_ARM_R10;
34*4882a593Smuzhiyun 	case UNW_ARM_R11:
35*4882a593Smuzhiyun 		return PERF_REG_ARM_FP;
36*4882a593Smuzhiyun 	case UNW_ARM_R12:
37*4882a593Smuzhiyun 		return PERF_REG_ARM_IP;
38*4882a593Smuzhiyun 	case UNW_ARM_R13:
39*4882a593Smuzhiyun 		return PERF_REG_ARM_SP;
40*4882a593Smuzhiyun 	case UNW_ARM_R14:
41*4882a593Smuzhiyun 		return PERF_REG_ARM_LR;
42*4882a593Smuzhiyun 	case UNW_ARM_R15:
43*4882a593Smuzhiyun 		return PERF_REG_ARM_PC;
44*4882a593Smuzhiyun 	default:
45*4882a593Smuzhiyun 		pr_err("unwind: invalid reg id %d\n", regnum);
46*4882a593Smuzhiyun 		return -EINVAL;
47*4882a593Smuzhiyun 	}
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	return -EINVAL;
50*4882a593Smuzhiyun }
51