xref: /freebsd/contrib/elftoolchain/libpe/libpe.h (revision 839529ca)
1 /*-
2  * Copyright (c) 2015 Kai Wang
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $Id: libpe.h 3312 2016-01-10 09:23:51Z kaiwang27 $
27  */
28 
29 #ifndef	_LIBPE_H_
30 #define	_LIBPE_H_
31 
32 #include <sys/types.h>
33 
34 #include "pe.h"
35 
36 /* Library private data structures */
37 typedef struct _PE PE;
38 typedef struct _PE_Scn PE_Scn;
39 
40 /* Section buffers */
41 typedef struct PE_Buffer {
42         unsigned int	 pb_align;
43 	off_t		 pb_off;
44 	size_t		 pb_size;
45 	void		*pb_buf;
46 } PE_Buffer;
47 
48 /* Object types */
49 typedef enum {
50 	PE_O_UNKNOWN = 0,
51 	PE_O_PE32,
52 	PE_O_PE32P,
53 	PE_O_COFF,
54 } PE_Object;
55 
56 /* Commands */
57 typedef enum {
58 	PE_C_NULL = 0,
59 	PE_C_CLR,
60 	PE_C_FDDONE,
61 	PE_C_FDREAD,
62 	PE_C_RDWR,
63 	PE_C_READ,
64 	PE_C_SET,
65 	PE_C_WRITE,
66 	PE_C_NUM
67 } PE_Cmd;
68 
69 /* Flags defined by the API. */
70 #define	PE_F_DIRTY		0x001U
71 #define	PE_F_STRIP_DOS_STUB	0x002U
72 #define	PE_F_STRIP_RICH_HEADER	0x004U
73 #define	PE_F_STRIP_SYMTAB	0x008U
74 #define	PE_F_STRIP_DEBUG	0x010U
75 #define	PE_F_STRIP_SECTION	0x020U
76 
77 #ifdef __cplusplus
78 extern "C" {
79 #endif
80 
81 PE_CoffHdr	*pe_coff_header(PE *);
82 int		pe_cntl(PE *, PE_Cmd);
83 PE_DataDir	*pe_data_dir(PE *);
84 void		pe_finish(PE *);
85 int		pe_flag(PE *, PE_Cmd, unsigned int);
86 int		pe_flag_buffer(PE_Buffer *, PE_Cmd, unsigned int);
87 int		pe_flag_coff_header(PE *, PE_Cmd, unsigned int);
88 int		pe_flag_data_dir(PE *, PE_Cmd, unsigned int);
89 int		pe_flag_dos_header(PE *, PE_Cmd, unsigned int);
90 int		pe_flag_opt_header(PE *, PE_Cmd, unsigned int);
91 int		pe_flag_section_header(PE_Scn *, PE_Cmd, unsigned int);
92 int		pe_flag_scn(PE_Scn *, PE_Cmd, unsigned int);
93 PE_Buffer	*pe_getbuffer(PE_Scn *, PE_Buffer *);
94 PE_Scn 		*pe_getscn(PE *, size_t);
95 PE		*pe_init(int, PE_Cmd, PE_Object);
96 PE_Scn		*pe_insertscn(PE *, size_t);
97 PE_DosHdr	*pe_msdos_header(PE *);
98 char		*pe_msdos_stub(PE *, size_t *);
99 size_t		pe_ndxscn(PE_Scn *);
100 PE_Buffer	*pe_newbuffer(PE_Scn *);
101 PE_Scn		*pe_newscn(PE *);
102 PE_Scn		*pe_nextscn(PE *, PE_Scn *);
103 PE_Object	pe_object(PE *);
104 PE_OptHdr	*pe_opt_header(PE *);
105 PE_RichHdr	*pe_rich_header(PE *);
106 int		pe_rich_header_validate(PE *);
107 PE_SecHdr	*pe_section_header(PE_Scn *);
108 off_t		pe_update(PE *);
109 int		pe_update_coff_header(PE *, PE_CoffHdr *);
110 int		pe_update_opt_header(PE *, PE_OptHdr *);
111 int		pe_update_data_dir(PE *, PE_DataDir *);
112 int		ps_update_msdos_header(PE *, PE_DosHdr *);
113 int		ps_update_msdos_stub(PE *, char *, size_t);
114 int		pe_update_section_header(PE_Scn *, PE_SecHdr *);
115 int		pe_update_symtab(PE *, char *, size_t, unsigned int);
116 
117 #ifdef __cplusplus
118 }
119 #endif
120 
121 #endif	/* !_LIBPE_H_ */
122