perf/util/symbol_fprintf.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <elf.h>
0003 #include <inttypes.h>
0004 #include <stdio.h>
0005
0006 #include "dso.h"
0007 #include "map.h"
0008 #include "symbol.h"
0009
0010 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
0011 {
0012     return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
0013                sym->start, sym->end,
0014                sym->binding == STB_GLOBAL ? 'g' :
0015                sym->binding == STB_LOCAL  ? 'l' : 'w',
0016                sym->name);
0017 }
0018
0019 size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
0020                       const struct addr_location *al,
0021                       bool unknown_as_addr,
0022                       bool print_offsets, FILE *fp)
0023 {
0024     unsigned long offset;
0025     size_t length;
0026
0027     if (sym) {
0028         length = fprintf(fp, "%s", sym->name);
0029         if (al && print_offsets) {
0030             if (al->addr < sym->end)
0031                 offset = al->addr - sym->start;
0032             else
0033                 offset = al->addr - al->map->start - sym->start;
0034             length += fprintf(fp, "+0x%lx", offset);
0035         }
0036         return length;
0037     } else if (al && unknown_as_addr)
0038         return fprintf(fp, "[%#" PRIx64 "]", al->addr);
0039     else
0040         return fprintf(fp, "[unknown]");
0041 }
0042
0043 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
0044                     const struct addr_location *al,
0045                     FILE *fp)
0046 {
0047     return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
0048 }
0049
0050 size_t __symbol__fprintf_symname(const struct symbol *sym,
0051                  const struct addr_location *al,
0052                  bool unknown_as_addr, FILE *fp)
0053 {
0054     return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
0055 }
0056
0057 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
0058 {
0059     return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
0060 }
0061
0062 size_t dso__fprintf_symbols_by_name(struct dso *dso,
0063                     FILE *fp)
0064 {
0065     size_t ret = 0;
0066     struct rb_node *nd;
0067     struct symbol_name_rb_node *pos;
0068
0069     for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
0070         pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
0071         ret += fprintf(fp, "%s\n", pos->sym.name);
0072     }
0073
0074     return ret;
0075 }