xref: /linux/tools/perf/arch/riscv64/annotate/instructions.c (revision 3d0fe49454652117522f60bfbefb978ba0e5300b)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 static
4 struct ins_ops *riscv64__associate_ins_ops(struct arch *arch, const char *name)
5 {
6 	struct ins_ops *ops = NULL;
7 
8 	if (!strncmp(name, "jal", 3) ||
9 	    !strncmp(name, "jr", 2) ||
10 	    !strncmp(name, "call", 4))
11 		ops = &call_ops;
12 	else if (!strncmp(name, "ret", 3))
13 		ops = &ret_ops;
14 	else if (name[0] == 'j' || name[0] == 'b')
15 		ops = &jump_ops;
16 	else
17 		return NULL;
18 
19 	arch__associate_ins_ops(arch, name, ops);
20 
21 	return ops;
22 }
23 
24 static
25 int riscv64__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
26 {
27 	if (!arch->initialized) {
28 		arch->associate_instruction_ops = riscv64__associate_ins_ops;
29 		arch->initialized = true;
30 		arch->objdump.comment_char = '#';
31 	}
32 
33 	return 0;
34 }
35