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Linux/tools/perf/util/symbol_fprintf.c

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  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 }
 72 

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