xref: /openbmc/linux/tools/perf/util/symbol_fprintf.c (revision e657c18a)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <elf.h>
3 #include <inttypes.h>
4 #include <stdio.h>
5 
6 #include "map.h"
7 #include "symbol.h"
8 
9 size_t symbol__fprintf(struct symbol *sym, FILE *fp)
10 {
11 	return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
12 		       sym->start, sym->end,
13 		       sym->binding == STB_GLOBAL ? 'g' :
14 		       sym->binding == STB_LOCAL  ? 'l' : 'w',
15 		       sym->name);
16 }
17 
18 size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
19 				      const struct addr_location *al,
20 				      bool unknown_as_addr,
21 				      bool print_offsets, FILE *fp)
22 {
23 	unsigned long offset;
24 	size_t length;
25 
26 	if (sym) {
27 		length = fprintf(fp, "%s", sym->name);
28 		if (al && print_offsets) {
29 			if (al->addr < sym->end)
30 				offset = al->addr - sym->start;
31 			else
32 				offset = al->addr - al->map->start - sym->start;
33 			length += fprintf(fp, "+0x%lx", offset);
34 		}
35 		return length;
36 	} else if (al && unknown_as_addr)
37 		return fprintf(fp, "[%#" PRIx64 "]", al->addr);
38 	else
39 		return fprintf(fp, "[unknown]");
40 }
41 
42 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
43 				    const struct addr_location *al,
44 				    FILE *fp)
45 {
46 	return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
47 }
48 
49 size_t __symbol__fprintf_symname(const struct symbol *sym,
50 				 const struct addr_location *al,
51 				 bool unknown_as_addr, FILE *fp)
52 {
53 	return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
54 }
55 
56 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
57 {
58 	return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
59 }
60 
61 size_t dso__fprintf_symbols_by_name(struct dso *dso,
62 				    FILE *fp)
63 {
64 	size_t ret = 0;
65 	struct rb_node *nd;
66 	struct symbol_name_rb_node *pos;
67 
68 	for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
69 		pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
70 		fprintf(fp, "%s\n", pos->sym.name);
71 	}
72 
73 	return ret;
74 }
75