1 /* Definitions for BFD wrappers used by GDB.
3 Copyright (C) 2011-2014 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 /* Open a read-only (FOPEN_RB) BFD given arguments like bfd_fopen.
28 Returns NULL on error. On success, returns a new reference to the
29 BFD, which must be freed with gdb_bfd_unref. BFDs returned by this
30 call are shared among all callers opening the same file. If FD is
31 not -1, then after this call it is owned by BFD. */
33 struct bfd
*gdb_bfd_open (const char *name
, const char *target
, int fd
);
35 /* Increment the reference count of ABFD. It is fine for ABFD to be
36 NULL; in this case the function does nothing. */
38 void gdb_bfd_ref (struct bfd
*abfd
);
40 /* Decrement the reference count of ABFD. If this is the last
41 reference, ABFD will be freed. If ABFD is NULL, this function does
44 void gdb_bfd_unref (struct bfd
*abfd
);
46 /* Mark the CHILD BFD as being a member of PARENT. Also, increment
47 the reference count of CHILD. Calling this function ensures that
48 as along as CHILD remains alive, PARENT will as well. Both CHILD
49 and PARENT must be non-NULL. This can be called more than once
50 with the same arguments; but it is not allowed to call it for a
51 single CHILD with different values for PARENT. */
53 void gdb_bfd_mark_parent (bfd
*child
, bfd
*parent
);
55 /* Try to read or map the contents of the section SECT. If
56 successful, the section data is returned and *SIZE is set to the
57 size of the section data; this may not be the same as the size
58 according to bfd_get_section_size if the section was compressed.
59 The returned section data is associated with the BFD and will be
60 destroyed when the BFD is destroyed. There is no other way to free
61 it; for temporary uses of section data, see
62 bfd_malloc_and_get_section. SECT may not have relocations. This
63 function will throw on error. */
65 const gdb_byte
*gdb_bfd_map_section (asection
*section
, bfd_size_type
*size
);
67 /* Compute the CRC for ABFD. The CRC is used to find and verify
68 separate debug files. When successful, this fills in *CRC_OUT and
69 returns 1. Otherwise, this issues a warning and returns 0. */
71 int gdb_bfd_crc (struct bfd
*abfd
, unsigned long *crc_out
);
75 /* A wrapper for bfd_fopen that initializes the gdb-specific reference
78 bfd
*gdb_bfd_fopen (const char *, const char *, const char *, int);
80 /* A wrapper for bfd_openr that initializes the gdb-specific reference
83 bfd
*gdb_bfd_openr (const char *, const char *);
85 /* A wrapper for bfd_openw that initializes the gdb-specific reference
88 bfd
*gdb_bfd_openw (const char *, const char *);
90 /* A wrapper for bfd_openr_iovec that initializes the gdb-specific
93 bfd
*gdb_bfd_openr_iovec (const char *filename
, const char *target
,
94 void *(*open_func
) (struct bfd
*nbfd
,
97 file_ptr (*pread_func
) (struct bfd
*nbfd
,
102 int (*close_func
) (struct bfd
*nbfd
,
104 int (*stat_func
) (struct bfd
*abfd
,
108 /* A wrapper for bfd_openr_next_archived_file that initializes the
109 gdb-specific reference count. */
111 bfd
*gdb_bfd_openr_next_archived_file (bfd
*archive
, bfd
*previous
);
113 /* A wrapper for bfd_fdopenr that initializes the gdb-specific
116 bfd
*gdb_bfd_fdopenr (const char *filename
, const char *target
, int fd
);
120 /* Return the index of the BFD section SECTION. Ordinarily this is
121 just the section's index, but for some special sections, like
122 bfd_com_section_ptr, it will be a synthesized value. */
124 int gdb_bfd_section_index (bfd
*abfd
, asection
*section
);
127 /* Like bfd_count_sections, but include any possible global sections,
128 like bfd_com_section_ptr. */
130 int gdb_bfd_count_sections (bfd
*abfd
);
132 /* Return true if any section requires relocations, false
135 int gdb_bfd_requires_relocations (bfd
*abfd
);
137 #endif /* GDB_BFD_H */
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