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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,
 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 
 40 size_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 
 47 size_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 
 54 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
 55 {
 56         return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
 57 }
 58 
 59 size_t dso__fprintf_symbols_by_name(struct dso *dso,
 60                                     enum map_type type, 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[type]); 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 

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