xref: /linux/tools/perf/util/symbol_fprintf.c (revision e7d759f31ca295d589f7420719c311870bb3166f)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <elf.h>
3 #include <inttypes.h>
4 #include <stdio.h>
5 
6 #include "dso.h"
7 #include "map.h"
8 #include "symbol.h"
9 
10 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
11 {
12 	return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
13 		       sym->start, sym->end,
14 		       sym->binding == STB_GLOBAL ? 'g' :
15 		       sym->binding == STB_LOCAL  ? 'l' : 'w',
16 		       sym->name);
17 }
18 
19 size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
20 				      const struct addr_location *al,
21 				      bool unknown_as_addr,
22 				      bool print_offsets, FILE *fp)
23 {
24 	unsigned long offset;
25 	size_t length;
26 
27 	if (sym) {
28 		length = fprintf(fp, "%s", sym->name);
29 		if (al && print_offsets) {
30 			if (al->addr < sym->end)
31 				offset = al->addr - sym->start;
32 			else
33 				offset = al->addr - map__start(al->map) - sym->start;
34 			length += fprintf(fp, "+0x%lx", offset);
35 		}
36 		return length;
37 	} else if (al && unknown_as_addr)
38 		return fprintf(fp, "[%#" PRIx64 "]", al->addr);
39 	else
40 		return fprintf(fp, "[unknown]");
41 }
42 
43 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
44 				    const struct addr_location *al,
45 				    FILE *fp)
46 {
47 	return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
48 }
49 
50 size_t __symbol__fprintf_symname(const struct symbol *sym,
51 				 const struct addr_location *al,
52 				 bool unknown_as_addr, FILE *fp)
53 {
54 	return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
55 }
56 
57 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
58 {
59 	return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
60 }
61 
62 size_t dso__fprintf_symbols_by_name(struct dso *dso,
63 				    FILE *fp)
64 {
65 	size_t ret = 0;
66 
67 	for (size_t i = 0; i < dso->symbol_names_len; i++) {
68 		struct symbol *pos = dso->symbol_names[i];
69 
70 		ret += fprintf(fp, "%s\n", pos->name);
71 	}
72 	return ret;
73 }
74