// SPDX-License-Identifier: GPL-2.0
#include <elf.h>
#include <inttypes.h>
#include <stdio.h>

#include "dso.h"
#include "map.h"
#include "symbol.h"

size_t symbol__fprintf(struct symbol *sym, FILE *fp)
{
        return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
                       sym->start, sym->end,
                       sym->binding == STB_GLOBAL ? 'g' :
                       sym->binding == STB_LOCAL  ? 'l' : 'w',
                       sym->name);
}

size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
                                      const struct addr_location *al,
                                      bool unknown_as_addr,
                                      bool print_offsets, FILE *fp)
{
        unsigned long offset;
        size_t length;

        if (sym) {
                length = fprintf(fp, "%s", sym->name);
                if (al && print_offsets) {
                        if (al->addr < sym->end)
                                offset = al->addr - sym->start;
                        else
                                offset = al->addr - map__start(al->map) - sym->start;
                        length += fprintf(fp, "+0x%lx", offset);
                }
                return length;
        } else if (al && unknown_as_addr)
                return fprintf(fp, "[%#" PRIx64 "]", al->addr);
        else
                return fprintf(fp, "[unknown]");
}

size_t symbol__fprintf_symname_offs(const struct symbol *sym,
                                    const struct addr_location *al,
                                    FILE *fp)
{
        return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
}

size_t __symbol__fprintf_symname(const struct symbol *sym,
                                 const struct addr_location *al,
                                 bool unknown_as_addr, FILE *fp)
{
        return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
}

size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
{
        return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
}

size_t dso__fprintf_symbols_by_name(struct dso *dso,
                                    FILE *fp)
{
        size_t ret = 0;

        for (size_t i = 0; i < dso__symbol_names_len(dso); i++) {
                struct symbol *pos = dso__symbol_names(dso)[i];

                ret += fprintf(fp, "%s\n", pos->name);
        }
        return ret;
}