1 /* Definitions for BFD wrappers used by GDB.
3 Copyright (C) 2011, 2012
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 DECLARE_REGISTRY (bfd
);
28 /* Make a copy ABFD's filename using bfd_alloc, and reassign it to the
29 BFD. This ensures that the BFD's filename has the same lifetime as
32 void gdb_bfd_stash_filename (struct bfd
*abfd
);
34 /* Open a read-only (FOPEN_RB) BFD given arguments like bfd_fopen.
35 Returns NULL on error. On success, returns a new reference to the
36 BFD, which must be freed with gdb_bfd_unref. BFDs returned by this
37 call are shared among all callers opening the same file. If FD is
38 not -1, then after this call it is owned by BFD. */
40 struct bfd
*gdb_bfd_open (const char *name
, const char *target
, int fd
);
42 /* Increment the reference count of ABFD. It is fine for ABFD to be
43 NULL; in this case the function does nothing. */
45 void gdb_bfd_ref (struct bfd
*abfd
);
47 /* Decrement the reference count of ABFD. If this is the last
48 reference, ABFD will be freed. If ABFD is NULL, this function does
51 void gdb_bfd_unref (struct bfd
*abfd
);
53 /* Mark the CHILD BFD as being a member of PARENT. Also, increment
54 the reference count of CHILD. Calling this function ensures that
55 as along as CHILD remains alive, PARENT will as well. Both CHILD
56 and PARENT must be non-NULL. This can be called more than once
57 with the same arguments; but it is not allowed to call it for a
58 single CHILD with different values for PARENT. */
60 void gdb_bfd_mark_parent (bfd
*child
, bfd
*parent
);
62 /* Try to read or map the contents of the section SECT. If
63 successful, the section data is returned and *SIZE is set to the
64 size of the section data; this may not be the same as the size
65 according to bfd_get_section_size if the section was compressed.
66 The returned section data is associated with the BFD and will be
67 destroyed when the BFD is destroyed. There is no other way to free
68 it; for temporary uses of section data, see
69 bfd_malloc_and_get_section. SECT may not have relocations. This
70 function will throw on error. */
72 const gdb_byte
*gdb_bfd_map_section (asection
*section
, bfd_size_type
*size
);
76 /* A wrapper for bfd_fopen that initializes the gdb-specific reference
77 count and calls gdb_bfd_stash_filename. */
79 bfd
*gdb_bfd_fopen (const char *, const char *, const char *, int);
81 /* A wrapper for bfd_openr that initializes the gdb-specific reference
82 count and calls gdb_bfd_stash_filename. */
84 bfd
*gdb_bfd_openr (const char *, const char *);
86 /* A wrapper for bfd_openw that initializes the gdb-specific reference
87 count and calls gdb_bfd_stash_filename. */
89 bfd
*gdb_bfd_openw (const char *, const char *);
91 /* A wrapper for bfd_openr_iovec that initializes the gdb-specific
92 reference count and calls gdb_bfd_stash_filename. */
94 bfd
*gdb_bfd_openr_iovec (const char *filename
, const char *target
,
95 void *(*open_func
) (struct bfd
*nbfd
,
98 file_ptr (*pread_func
) (struct bfd
*nbfd
,
103 int (*close_func
) (struct bfd
*nbfd
,
105 int (*stat_func
) (struct bfd
*abfd
,
109 /* A wrapper for bfd_openr_next_archived_file that initializes the
110 gdb-specific reference count and calls gdb_bfd_stash_filename. */
112 bfd
*gdb_bfd_openr_next_archived_file (bfd
*archive
, bfd
*previous
);
114 /* A wrapper for bfd_fdopenr that initializes the gdb-specific
115 reference count and calls gdb_bfd_stash_filename. */
117 bfd
*gdb_bfd_fdopenr (const char *filename
, const char *target
, int fd
);
119 #endif /* GDB_BFD_H */
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