LXR linux/tools/perf/util/symbol

   1#include <elf.h>
   2#include <inttypes.h>
   3#include <stdio.h>
   4
   5#include "symbol.h"
   6
   7size_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
  16size_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) {
  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
  40size_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
  47size_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
  54size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
  55{
  56        return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
  57}
  58
  59size_t dso__fprintf_symbols_by_name(struct dso *dso,
  60                                    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); 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}
  73