symbol_fprintf.c

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// SPDX-License-Identifier: GPL-2.0
#include <elf.h>
#include <inttypes.h>
#include <stdio.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 - al->map->start - 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;
    struct rb_node *nd;
    struct symbol_name_rb_node *pos;

    for (nd = rb_first(&dso->symbol_names); nd; nd = rb_next(nd)) {
        pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
        fprintf(fp, "%s\n", pos->sym.name);
    }

    return ret;
}