1 /* BFD COFF interfaces used outside of BFD.
2 Copyright (C) 1990-2022 Free Software Foundation, Inc.
3 Written by Cygnus Support.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
22 #include "sysdep.h"
23 #include "bfd.h"
24 #include "libbfd.h"
25 #include "coff/internal.h"
26 #include "libcoff.h"
27
28 /* Return the COFF syment for a symbol. */
29
30 bool
bfd_coff_get_syment(bfd * abfd,asymbol * symbol,struct internal_syment * psyment)31 bfd_coff_get_syment (bfd *abfd,
32 asymbol *symbol,
33 struct internal_syment *psyment)
34 {
35 coff_symbol_type *csym;
36
37 csym = coff_symbol_from (symbol);
38 if (csym == NULL || csym->native == NULL
39 || ! csym->native->is_sym)
40 {
41 bfd_set_error (bfd_error_invalid_operation);
42 return false;
43 }
44
45 *psyment = csym->native->u.syment;
46
47 if (csym->native->fix_value)
48 psyment->n_value =
49 ((psyment->n_value - (uintptr_t) obj_raw_syments (abfd))
50 / sizeof (combined_entry_type));
51
52 /* FIXME: We should handle fix_line here. */
53
54 return true;
55 }
56
57 /* Return the COFF auxent for a symbol. */
58
59 bool
bfd_coff_get_auxent(bfd * abfd,asymbol * symbol,int indx,union internal_auxent * pauxent)60 bfd_coff_get_auxent (bfd *abfd,
61 asymbol *symbol,
62 int indx,
63 union internal_auxent *pauxent)
64 {
65 coff_symbol_type *csym;
66 combined_entry_type *ent;
67
68 csym = coff_symbol_from (symbol);
69
70 if (csym == NULL
71 || csym->native == NULL
72 || ! csym->native->is_sym
73 || indx >= csym->native->u.syment.n_numaux)
74 {
75 bfd_set_error (bfd_error_invalid_operation);
76 return false;
77 }
78
79 ent = csym->native + indx + 1;
80
81 BFD_ASSERT (! ent->is_sym);
82 *pauxent = ent->u.auxent;
83
84 if (ent->fix_tag)
85 pauxent->x_sym.x_tagndx.l =
86 ((combined_entry_type *) pauxent->x_sym.x_tagndx.p
87 - obj_raw_syments (abfd));
88
89 if (ent->fix_end)
90 pauxent->x_sym.x_fcnary.x_fcn.x_endndx.l =
91 ((combined_entry_type *) pauxent->x_sym.x_fcnary.x_fcn.x_endndx.p
92 - obj_raw_syments (abfd));
93
94 if (ent->fix_scnlen)
95 pauxent->x_csect.x_scnlen.l =
96 ((combined_entry_type *) pauxent->x_csect.x_scnlen.p
97 - obj_raw_syments (abfd));
98
99 return true;
100 }
101