1 /* Definitions for BFD wrappers used by GDB.
3 Copyright (C) 2011-2013 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 DECLARE_REGISTRY (bfd
);
27 /* Make a copy ABFD's filename using bfd_alloc, and reassign it to the
28 BFD. This ensures that the BFD's filename has the same lifetime as
31 void gdb_bfd_stash_filename (struct bfd
*abfd
);
33 /* Open a read-only (FOPEN_RB) BFD given arguments like bfd_fopen.
34 Returns NULL on error. On success, returns a new reference to the
35 BFD, which must be freed with gdb_bfd_unref. BFDs returned by this
36 call are shared among all callers opening the same file. If FD is
37 not -1, then after this call it is owned by BFD. */
39 struct bfd
*gdb_bfd_open (const char *name
, const char *target
, int fd
);
41 /* Increment the reference count of ABFD. It is fine for ABFD to be
42 NULL; in this case the function does nothing. */
44 void gdb_bfd_ref (struct bfd
*abfd
);
46 /* Decrement the reference count of ABFD. If this is the last
47 reference, ABFD will be freed. If ABFD is NULL, this function does
50 void gdb_bfd_unref (struct bfd
*abfd
);
52 /* Mark the CHILD BFD as being a member of PARENT. Also, increment
53 the reference count of CHILD. Calling this function ensures that
54 as along as CHILD remains alive, PARENT will as well. Both CHILD
55 and PARENT must be non-NULL. This can be called more than once
56 with the same arguments; but it is not allowed to call it for a
57 single CHILD with different values for PARENT. */
59 void gdb_bfd_mark_parent (bfd
*child
, bfd
*parent
);
61 /* Try to read or map the contents of the section SECT. If
62 successful, the section data is returned and *SIZE is set to the
63 size of the section data; this may not be the same as the size
64 according to bfd_get_section_size if the section was compressed.
65 The returned section data is associated with the BFD and will be
66 destroyed when the BFD is destroyed. There is no other way to free
67 it; for temporary uses of section data, see
68 bfd_malloc_and_get_section. SECT may not have relocations. This
69 function will throw on error. */
71 const gdb_byte
*gdb_bfd_map_section (asection
*section
, bfd_size_type
*size
);
73 /* Compute the CRC for ABFD. The CRC is used to find and verify
74 separate debug files. When successful, this fills in *CRC_OUT and
75 returns 1. Otherwise, this issues a warning and returns 0. */
77 int gdb_bfd_crc (struct bfd
*abfd
, unsigned long *crc_out
);
81 /* A wrapper for bfd_fopen that initializes the gdb-specific reference
82 count and calls gdb_bfd_stash_filename. */
84 bfd
*gdb_bfd_fopen (const char *, const char *, const char *, int);
86 /* A wrapper for bfd_openr that initializes the gdb-specific reference
87 count and calls gdb_bfd_stash_filename. */
89 bfd
*gdb_bfd_openr (const char *, const char *);
91 /* A wrapper for bfd_openw that initializes the gdb-specific reference
92 count and calls gdb_bfd_stash_filename. */
94 bfd
*gdb_bfd_openw (const char *, const char *);
96 /* A wrapper for bfd_openr_iovec that initializes the gdb-specific
97 reference count and calls gdb_bfd_stash_filename. */
99 bfd
*gdb_bfd_openr_iovec (const char *filename
, const char *target
,
100 void *(*open_func
) (struct bfd
*nbfd
,
103 file_ptr (*pread_func
) (struct bfd
*nbfd
,
108 int (*close_func
) (struct bfd
*nbfd
,
110 int (*stat_func
) (struct bfd
*abfd
,
114 /* A wrapper for bfd_openr_next_archived_file that initializes the
115 gdb-specific reference count and calls gdb_bfd_stash_filename. */
117 bfd
*gdb_bfd_openr_next_archived_file (bfd
*archive
, bfd
*previous
);
119 /* A wrapper for bfd_fdopenr that initializes the gdb-specific
120 reference count and calls gdb_bfd_stash_filename. */
122 bfd
*gdb_bfd_fdopenr (const char *filename
, const char *target
, int fd
);
126 /* Return the index of the BFD section SECTION. Ordinarily this is
127 just the section's index, but for some special sections, like
128 bfd_com_section_ptr, it will be a synthesized value. */
130 int gdb_bfd_section_index (bfd
*abfd
, asection
*section
);
133 /* Like bfd_count_sections, but include any possible global sections,
134 like bfd_com_section_ptr. */
136 int gdb_bfd_count_sections (bfd
*abfd
);
138 #endif /* GDB_BFD_H */
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