tools/perf/util/symbol_fprintf.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <elf.h>
   3 #include <inttypes.h>
   4 #include <stdio.h>
   5
   6 #include "map.h"
   7 #include "symbol.h"
   8
   9 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
  10 {
  11         return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
  12                        sym->start, sym->end,
  13                        sym->binding == STB_GLOBAL ? 'g' :
  14                        sym->binding == STB_LOCAL  ? 'l' : 'w',
  15                        sym->name);
  16 }
  17
  18 size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
  19                                       const struct addr_location *al,
  20                                       bool unknown_as_addr,
  21                                       bool print_offsets, FILE *fp)
  22 {
  23         unsigned long offset;
  24         size_t length;
  25
  26         if (sym) {
  27                 length = fprintf(fp, "%s", sym->name);
  28                 if (al && print_offsets) {
  29                         if (al->addr < sym->end)
  30                                 offset = al->addr - sym->start;
  31                         else
  32                                 offset = al->addr - al->map->start - sym->start;
  33                         length += fprintf(fp, "+0x%lx", offset);
  34                 }
  35                 return length;
  36         } else if (al && unknown_as_addr)
  37                 return fprintf(fp, "[%#" PRIx64 "]", al->addr);
  38         else
  39                 return fprintf(fp, "[unknown]");
  40 }
  41
  42 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
  43                                     const struct addr_location *al,
  44                                     FILE *fp)
  45 {
  46         return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
  47 }
  48
  49 size_t __symbol__fprintf_symname(const struct symbol *sym,
  50                                  const struct addr_location *al,
  51                                  bool unknown_as_addr, FILE *fp)
  52 {
  53         return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
  54 }
  55
  56 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
  57 {
  58         return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
  59 }
  60
  61 size_t dso__fprintf_symbols_by_name(struct dso *dso,
  62                                     FILE *fp)
  63 {
  64         size_t ret = 0;
  65         struct rb_node *nd;
  66         struct symbol_name_rb_node *pos;
  67
  68         for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
  69                 pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
  70                 fprintf(fp, "%s\n", pos->sym.name);
  71         }
  72
  73         return ret;
  74 }