xref: /openbmc/linux/tools/perf/util/symbol_fprintf.c (revision f3a8b664)
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