xref: /openbmc/linux/tools/perf/arch/riscv64/annotate/instructions.c (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
1*0ba37e05SWilliam Cohen // SPDX-License-Identifier: GPL-2.0
2*0ba37e05SWilliam Cohen 
3*0ba37e05SWilliam Cohen static
riscv64__associate_ins_ops(struct arch * arch,const char * name)4*0ba37e05SWilliam Cohen struct ins_ops *riscv64__associate_ins_ops(struct arch *arch, const char *name)
5*0ba37e05SWilliam Cohen {
6*0ba37e05SWilliam Cohen 	struct ins_ops *ops = NULL;
7*0ba37e05SWilliam Cohen 
8*0ba37e05SWilliam Cohen 	if (!strncmp(name, "jal", 3) ||
9*0ba37e05SWilliam Cohen 	    !strncmp(name, "jr", 2) ||
10*0ba37e05SWilliam Cohen 	    !strncmp(name, "call", 4))
11*0ba37e05SWilliam Cohen 		ops = &call_ops;
12*0ba37e05SWilliam Cohen 	else if (!strncmp(name, "ret", 3))
13*0ba37e05SWilliam Cohen 		ops = &ret_ops;
14*0ba37e05SWilliam Cohen 	else if (name[0] == 'j' || name[0] == 'b')
15*0ba37e05SWilliam Cohen 		ops = &jump_ops;
16*0ba37e05SWilliam Cohen 	else
17*0ba37e05SWilliam Cohen 		return NULL;
18*0ba37e05SWilliam Cohen 
19*0ba37e05SWilliam Cohen 	arch__associate_ins_ops(arch, name, ops);
20*0ba37e05SWilliam Cohen 
21*0ba37e05SWilliam Cohen 	return ops;
22*0ba37e05SWilliam Cohen }
23*0ba37e05SWilliam Cohen 
24*0ba37e05SWilliam Cohen static
riscv64__annotate_init(struct arch * arch,char * cpuid __maybe_unused)25*0ba37e05SWilliam Cohen int riscv64__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
26*0ba37e05SWilliam Cohen {
27*0ba37e05SWilliam Cohen 	if (!arch->initialized) {
28*0ba37e05SWilliam Cohen 		arch->associate_instruction_ops = riscv64__associate_ins_ops;
29*0ba37e05SWilliam Cohen 		arch->initialized = true;
30*0ba37e05SWilliam Cohen 		arch->objdump.comment_char = '#';
31*0ba37e05SWilliam Cohen 	}
32*0ba37e05SWilliam Cohen 
33*0ba37e05SWilliam Cohen 	return 0;
34*0ba37e05SWilliam Cohen }
35