Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
8size_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
17size_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
41size_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
48size_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
55size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
56{
57 return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
58}
59
60size_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}