root/tools/perf/util/annotate-arch/annotate-csky.c
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
#include <string.h>
#include <linux/compiler.h>
#include <linux/zalloc.h>
#include "../disasm.h"

static const struct ins_ops *csky__associate_ins_ops(struct arch *arch,
                                                     const char *name)
{
        const struct ins_ops *ops = NULL;

        /* catch all kind of jumps */
        if (!strcmp(name, "bt") ||
            !strcmp(name, "bf") ||
            !strcmp(name, "bez") ||
            !strcmp(name, "bnez") ||
            !strcmp(name, "bnezad") ||
            !strcmp(name, "bhsz") ||
            !strcmp(name, "bhz") ||
            !strcmp(name, "blsz") ||
            !strcmp(name, "blz") ||
            !strcmp(name, "br") ||
            !strcmp(name, "jmpi") ||
            !strcmp(name, "jmp"))
                ops = &jump_ops;

        /* catch function call */
        if (!strcmp(name, "bsr") ||
            !strcmp(name, "jsri") ||
            !strcmp(name, "jsr"))
                ops = &call_ops;

        /* catch function return */
        if (!strcmp(name, "rts"))
                ops = &ret_ops;

        if (ops)
                arch__associate_ins_ops(arch, name, ops);
        return ops;
}

const struct arch *arch__new_csky(const struct e_machine_and_e_flags *id,
                                  const char *cpuid __maybe_unused)
{
        struct arch *arch = zalloc(sizeof(*arch));

        if (!arch)
                return NULL;

        arch->name = "csky";
        arch->id = *id;
        arch->objdump.comment_char = '/';
        arch->associate_instruction_ops = csky__associate_ins_ops;
        return arch;
}