4bf44c1cf1
(pagesize): Remove. (struct dwarf2_section_info) <map_addr, map_len>: Remove. (zlib_decompress_section): Remove. (dwarf2_read_section): Use gdb_bfd_map_section. (munmap_section_buffer): Remove. (free_dwo_file, dwarf2_per_objfile_free): Don't use munmap_section_buffer. * gdb_bfd.c: Include zlib.h, sys/mman.h. (struct gdb_bfd_section_data): New. (free_one_bfd_section): New function. (gdb_bfd_close_or_warn): Use free_one_bfd_section. (get_section_descriptor, zlib_decompress_section) (gdb_bfd_map_section): New functions. * gdb_bfd.h (gdb_bfd_map_section): Declare.
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/* Definitions for BFD wrappers used by GDB.
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Copyright (C) 2011, 2012
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_BFD_H
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#define GDB_BFD_H
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/* Make a copy ABFD's filename using bfd_alloc, and reassign it to the
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BFD. This ensures that the BFD's filename has the same lifetime as
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the BFD itself. */
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void gdb_bfd_stash_filename (struct bfd *abfd);
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/* Open a read-only (FOPEN_RB) BFD given arguments like bfd_fopen.
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Returns NULL on error. On success, returns a new reference to the
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BFD, which must be freed with gdb_bfd_unref. BFDs returned by this
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call are shared among all callers opening the same file. If FD is
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not -1, then after this call it is owned by BFD. */
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struct bfd *gdb_bfd_open (const char *name, const char *target, int fd);
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/* Acquire a new reference to ABFD. Returns ABFD for convenience.
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It is fine for ABFD to be NULL; in this case the function does
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nothing and returns NULL. */
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struct bfd *gdb_bfd_ref (struct bfd *abfd);
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/* Release a reference to ABFD. If this is the last reference, ABFD
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will be freed. If ABFD is NULL, this function does nothing. */
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void gdb_bfd_unref (struct bfd *abfd);
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/* Try to read or map the contents of the section SECT. If
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successful, the section data is returned and *SIZE is set to the
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size of the section data; this may not be the same as the size
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according to bfd_get_section_size if the section was compressed.
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The returned section data is associated with the BFD and will be
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destroyed when the BFD is destroyed. There is no other way to free
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it; for temporary uses of section data, see
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bfd_malloc_and_get_section. SECT may not have relocations. This
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function will throw on error. */
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const gdb_byte *gdb_bfd_map_section (asection *section, bfd_size_type *size);
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#endif /* GDB_BFD_H */
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