xref: /freebsd/contrib/elftoolchain/libpe/pe_cntl.c (revision 0fe0fe112fa6cc220f14a1a9196b51fdc79edc72)
1*839529caSEd Maste /*-
2*839529caSEd Maste  * Copyright (c) 2016 Kai Wang
3*839529caSEd Maste  * All rights reserved.
4*839529caSEd Maste  *
5*839529caSEd Maste  * Redistribution and use in source and binary forms, with or without
6*839529caSEd Maste  * modification, are permitted provided that the following conditions
7*839529caSEd Maste  * are met:
8*839529caSEd Maste  * 1. Redistributions of source code must retain the above copyright
9*839529caSEd Maste  *    notice, this list of conditions and the following disclaimer.
10*839529caSEd Maste  * 2. Redistributions in binary form must reproduce the above copyright
11*839529caSEd Maste  *    notice, this list of conditions and the following disclaimer in the
12*839529caSEd Maste  *    documentation and/or other materials provided with the distribution.
13*839529caSEd Maste  *
14*839529caSEd Maste  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*839529caSEd Maste  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*839529caSEd Maste  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*839529caSEd Maste  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*839529caSEd Maste  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*839529caSEd Maste  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*839529caSEd Maste  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*839529caSEd Maste  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*839529caSEd Maste  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*839529caSEd Maste  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*839529caSEd Maste  * SUCH DAMAGE.
25*839529caSEd Maste  */
26*839529caSEd Maste 
27*839529caSEd Maste #include <errno.h>
28*839529caSEd Maste 
29*839529caSEd Maste #include "_libpe.h"
30*839529caSEd Maste 
31*839529caSEd Maste ELFTC_VCSID("$Id: pe_cntl.c 3312 2016-01-10 09:23:51Z kaiwang27 $");
32*839529caSEd Maste 
33*839529caSEd Maste int
pe_cntl(PE * pe,PE_Cmd cmd)34*839529caSEd Maste pe_cntl(PE *pe, PE_Cmd cmd)
35*839529caSEd Maste {
36*839529caSEd Maste 
37*839529caSEd Maste 	if (pe == NULL) {
38*839529caSEd Maste 		errno = EINVAL;
39*839529caSEd Maste 		return (-1);
40*839529caSEd Maste 	}
41*839529caSEd Maste 
42*839529caSEd Maste 	switch (cmd) {
43*839529caSEd Maste 	case PE_C_FDDONE:
44*839529caSEd Maste 		pe->pe_flags |= LIBPE_F_FD_DONE;
45*839529caSEd Maste 		break;
46*839529caSEd Maste 
47*839529caSEd Maste 	case PE_C_FDREAD:
48*839529caSEd Maste 		if (pe->pe_cmd == PE_C_WRITE) {
49*839529caSEd Maste 			errno = EACCES;
50*839529caSEd Maste 			return (-1);
51*839529caSEd Maste 		}
52*839529caSEd Maste 		if (libpe_load_all_sections(pe) < 0)
53*839529caSEd Maste 			return (-1);
54*839529caSEd Maste 		break;
55*839529caSEd Maste 
56*839529caSEd Maste 	default:
57*839529caSEd Maste 		errno = EINVAL;
58*839529caSEd Maste 		return (-1);
59*839529caSEd Maste 	}
60*839529caSEd Maste 
61*839529caSEd Maste 	return (0);
62*839529caSEd Maste }
63