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, FILE *fp)
  19 {
  20         unsigned long offset;
  21         size_t length;
  22
  23         if (sym && sym->name) {
  24                 length = fprintf(fp, "%s", sym->name);
  25                 if (al) {
  26                         if (al->addr < sym->end)
  27                                 offset = al->addr - sym->start;
  28                         else
  29                                 offset = al->addr - al->map->start - sym->start;
  30                         length += fprintf(fp, "+0x%lx", offset);
  31                 }
  32                 return length;
  33         } else if (al && unknown_as_addr)
  34                 return fprintf(fp, "[%#" PRIx64 "]", al->addr);
  35         else
  36                 return fprintf(fp, "[unknown]");
  37 }
  38
  39 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
  40                                     const struct addr_location *al,
  41                                     FILE *fp)
  42 {
  43         return __symbol__fprintf_symname_offs(sym, al, false, fp);
  44 }
  45
  46 size_t __symbol__fprintf_symname(const struct symbol *sym,
  47                                  const struct addr_location *al,
  48                                  bool unknown_as_addr, FILE *fp)
  49 {
  50         return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, fp);
  51 }
  52
  53 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
  54 {
  55         return __symbol__fprintf_symname_offs(sym, NULL, false, fp);
  56 }
  57
  58 size_t dso__fprintf_symbols_by_name(struct dso *dso,
  59                                     enum map_type type, FILE *fp)
  60 {
  61         size_t ret = 0;
  62         struct rb_node *nd;
  63         struct symbol_name_rb_node *pos;
  64
  65         for (nd = rb_first(&dso->symbol_names[type]); nd; nd = rb_next(nd)) {
  66                 pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
  67                 fprintf(fp, "%s\n", pos->sym.name);
  68         }
  69
  70         return ret;
  71 }