tools/perf/util/symbol_fprintf.c

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