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Linux/tools/perf/util/symbol_fprintf.c

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  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                 fprintf(fp, "%s\n", pos->sym.name);
 70         }
 71 
 72         return ret;
 73 }
 74 

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