1 /* Work with executable files, for GDB, the GNU debugger.
3 Copyright (C) 2003-2014 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/>. */
24 #include "progspace.h"
27 struct target_section
;
32 extern struct target_ops exec_ops
;
34 #define exec_bfd current_program_space->ebfd
35 #define exec_bfd_mtime current_program_space->ebfd_mtime
36 #define exec_filename current_program_space->pspace_exec_filename
38 /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
39 Returns 0 if OK, 1 on error. */
41 extern int build_section_table (struct bfd
*, struct target_section
**,
42 struct target_section
**);
44 /* Resize the section table held by TABLE, by NUM_ADDED. Returns the
47 extern int resize_section_table (struct target_section_table
*, int);
49 /* Read from mappable read-only sections of BFD executable files.
50 Return TARGET_XFER_OK, if read is successful. Return
51 TARGET_XFER_EOF if read is done. Return TARGET_XFER_E_IO
54 extern enum target_xfer_status
55 exec_read_partial_read_only (gdb_byte
*readbuf
, ULONGEST offset
,
56 ULONGEST len
, ULONGEST
*xfered_len
);
58 /* Read or write from mappable sections of BFD executable files.
60 Request to transfer up to LEN 8-bit bytes of the target sections
61 defined by SECTIONS and SECTIONS_END. The OFFSET specifies the
63 If SECTION_NAME is not NULL, only access sections with that same
66 Return the number of bytes actually transfered, or zero when no
67 data is available for the requested range.
69 This function is intended to be used from target_xfer_partial
70 implementations. See target_read and target_write for more
73 One, and only one, of readbuf or writebuf must be non-NULL. */
75 extern enum target_xfer_status
76 section_table_xfer_memory_partial (gdb_byte
*,
78 ULONGEST
, ULONGEST
, ULONGEST
*,
79 struct target_section
*,
80 struct target_section
*,
83 /* Read from mappable read-only sections of BFD executable files.
84 Similar to exec_read_partial_read_only, but return
85 TARGET_XFER_UNAVAILABLE if data is unavailable. */
87 extern enum target_xfer_status
88 section_table_read_available_memory (gdb_byte
*readbuf
, ULONGEST offset
,
89 ULONGEST len
, ULONGEST
*xfered_len
);
91 /* Set the loaded address of a section. */
92 extern void exec_set_section_address (const char *, int, CORE_ADDR
);
94 /* Remove all target sections owned by OWNER. */
96 extern void remove_target_sections (void *owner
);
98 /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the
99 current set of target sections. */
101 extern void add_target_sections (void *owner
,
102 struct target_section
*sections
,
103 struct target_section
*sections_end
);
105 /* Add the sections of OBJFILE to the current set of target sections.
106 * OBJFILE owns the new target sections. */
108 extern void add_target_sections_of_objfile (struct objfile
*objfile
);
110 /* Prints info about all sections defined in the TABLE. ABFD is
111 special cased --- it's filename is omitted; if it is the executable
112 file, its entry point is printed. */
114 extern void print_section_info (struct target_section_table
*table
,
117 extern void exec_close (void);
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