xref: /linux/tools/perf/util/annotate-arch/annotate-csky.c (revision 07b972ff09f45cfb7acd20cd9b3769c6975bc434)
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
3 #include <string.h>
4 #include <linux/compiler.h>
5 #include "../disasm.h"
6 
7 static const struct ins_ops *csky__associate_ins_ops(struct arch *arch,
8 						     const char *name)
9 {
10 	const struct ins_ops *ops = NULL;
11 
12 	/* catch all kind of jumps */
13 	if (!strcmp(name, "bt") ||
14 	    !strcmp(name, "bf") ||
15 	    !strcmp(name, "bez") ||
16 	    !strcmp(name, "bnez") ||
17 	    !strcmp(name, "bnezad") ||
18 	    !strcmp(name, "bhsz") ||
19 	    !strcmp(name, "bhz") ||
20 	    !strcmp(name, "blsz") ||
21 	    !strcmp(name, "blz") ||
22 	    !strcmp(name, "br") ||
23 	    !strcmp(name, "jmpi") ||
24 	    !strcmp(name, "jmp"))
25 		ops = &jump_ops;
26 
27 	/* catch function call */
28 	if (!strcmp(name, "bsr") ||
29 	    !strcmp(name, "jsri") ||
30 	    !strcmp(name, "jsr"))
31 		ops = &call_ops;
32 
33 	/* catch function return */
34 	if (!strcmp(name, "rts"))
35 		ops = &ret_ops;
36 
37 	if (ops)
38 		arch__associate_ins_ops(arch, name, ops);
39 	return ops;
40 }
41 
42 int csky__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
43 {
44 	arch->initialized = true;
45 	arch->objdump.comment_char = '/';
46 	arch->associate_instruction_ops = csky__associate_ins_ops;
47 	return 0;
48 }
49