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