xref: /openbmc/linux/tools/perf/util/symbol_fprintf.c (revision 48c926cd)
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