1 /* Work with executable files, for GDB, the GNU debugger.
3 Copyright (C) 2003-2016 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/>. */
24 #include "progspace.h"
27 struct target_section;
32 #define exec_bfd current_program_space->ebfd
33 #define exec_bfd_mtime current_program_space->ebfd_mtime
34 #define exec_filename current_program_space->pspace_exec_filename
36 /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
37 Returns 0 if OK, 1 on error. */
39 extern int build_section_table (struct bfd *, struct target_section **,
40 struct target_section **);
42 /* Remove all entries from TABLE. */
44 extern void clear_section_table (struct target_section_table *table);
46 /* Read from mappable read-only sections of BFD executable files.
47 Return TARGET_XFER_OK, if read is successful. Return
48 TARGET_XFER_EOF if read is done. Return TARGET_XFER_E_IO
51 extern enum target_xfer_status
52 exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset,
53 ULONGEST len, ULONGEST *xfered_len);
55 /* Read or write from mappable sections of BFD executable files.
57 Request to transfer up to LEN 8-bit bytes of the target sections
58 defined by SECTIONS and SECTIONS_END. The OFFSET specifies the
60 If SECTION_NAME is not NULL, only access sections with that same
63 Return the number of bytes actually transfered, or zero when no
64 data is available for the requested range.
66 This function is intended to be used from target_xfer_partial
67 implementations. See target_read and target_write for more
70 One, and only one, of readbuf or writebuf must be non-NULL. */
72 extern enum target_xfer_status
73 section_table_xfer_memory_partial (gdb_byte *,
75 ULONGEST, ULONGEST, ULONGEST *,
76 struct target_section *,
77 struct target_section *,
80 /* Read from mappable read-only sections of BFD executable files.
81 Similar to exec_read_partial_read_only, but return
82 TARGET_XFER_UNAVAILABLE if data is unavailable. */
84 extern enum target_xfer_status
85 section_table_read_available_memory (gdb_byte *readbuf, ULONGEST offset,
86 ULONGEST len, ULONGEST *xfered_len);
88 /* Set the loaded address of a section. */
89 extern void exec_set_section_address (const char *, int, CORE_ADDR);
91 /* Remove all target sections owned by OWNER. */
93 extern void remove_target_sections (void *owner);
95 /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the
96 current set of target sections. */
98 extern void add_target_sections (void *owner,
99 struct target_section *sections,
100 struct target_section *sections_end);
102 /* Add the sections of OBJFILE to the current set of target sections.
103 * OBJFILE owns the new target sections. */
105 extern void add_target_sections_of_objfile (struct objfile *objfile);
107 /* Prints info about all sections defined in the TABLE. ABFD is
108 special cased --- it's filename is omitted; if it is the executable
109 file, its entry point is printed. */
111 extern void print_section_info (struct target_section_table *table,
114 extern void exec_close (void);