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 "dso.h"
   7 #include "map.h"
   8 #include "symbol.h"
   9
  10 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
  11 {
  12         return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
  13                        sym->start, sym->end,
  14                        sym->binding == STB_GLOBAL ? 'g' :
  15                        sym->binding == STB_LOCAL  ? 'l' : 'w',
  16                        sym->name);
  17 }
  18
  19 size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
  20                                       const struct addr_location *al,
  21                                       bool unknown_as_addr,
  22                                       bool print_offsets, FILE *fp)
  23 {
  24         unsigned long offset;
  25         size_t length;
  26
  27         if (sym) {
  28                 length = fprintf(fp, "%s", sym->name);
  29                 if (al && print_offsets) {
  30                         if (al->addr < sym->end)
  31                                 offset = al->addr - sym->start;
  32                         else
  33                                 offset = al->addr - al->map->start - sym->start;
  34                         length += fprintf(fp, "+0x%lx", offset);
  35                 }
  36                 return length;
  37         } else if (al && unknown_as_addr)
  38                 return fprintf(fp, "[%#" PRIx64 "]", al->addr);
  39         else
  40                 return fprintf(fp, "[unknown]");
  41 }
  42
  43 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
  44                                     const struct addr_location *al,
  45                                     FILE *fp)
  46 {
  47         return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
  48 }
  49
  50 size_t __symbol__fprintf_symname(const struct symbol *sym,
  51                                  const struct addr_location *al,
  52                                  bool unknown_as_addr, FILE *fp)
  53 {
  54         return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
  55 }
  56
  57 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
  58 {
  59         return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
  60 }
  61
  62 size_t dso__fprintf_symbols_by_name(struct dso *dso,
  63                                     FILE *fp)
  64 {
  65         size_t ret = 0;
  66         struct rb_node *nd;
  67         struct symbol_name_rb_node *pos;
  68
  69         for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
  70                 pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
  71                 fprintf(fp, "%s\n", pos->sym.name);
  72         }
  73
  74         return ret;
  75 }