xref: /trueos/lib/libelf/libelf_data.c (revision 9394ef331eb7d0ba7f22583970cc84b62ad9f19a)
1 /*-
2  * Copyright (c) 2006 Joseph Koshy
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 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <libelf.h>
31 #include <osreldate.h>
32 
33 #include "_libelf.h"
34 
35 int
_libelf_xlate_shtype(uint32_t sht)36 _libelf_xlate_shtype(uint32_t sht)
37 {
38 	switch (sht) {
39 	case SHT_DYNAMIC:
40 		return (ELF_T_DYN);
41 	case SHT_DYNSYM:
42 		return (ELF_T_SYM);
43 	case SHT_FINI_ARRAY:
44 		return (ELF_T_ADDR);
45 #if	__FreeBSD_version >= 800062
46 	case SHT_GNU_HASH:
47 		return (ELF_T_GNUHASH);
48 #endif
49 	case SHT_GROUP:
50 		return (ELF_T_WORD);
51 	case SHT_HASH:
52 		return (ELF_T_WORD);
53 	case SHT_INIT_ARRAY:
54 		return (ELF_T_ADDR);
55 	case SHT_NOBITS:
56 		return (ELF_T_BYTE);
57 	case SHT_NOTE:
58 		return (ELF_T_NOTE);
59 	case SHT_PREINIT_ARRAY:
60 		return (ELF_T_ADDR);
61 	case SHT_PROGBITS:
62 		return (ELF_T_BYTE);
63 	case SHT_REL:
64 		return (ELF_T_REL);
65 	case SHT_RELA:
66 		return (ELF_T_RELA);
67 	case SHT_STRTAB:
68 		return (ELF_T_BYTE);
69 	case SHT_SYMTAB:
70 		return (ELF_T_SYM);
71 	case SHT_SYMTAB_SHNDX:
72 		return (ELF_T_WORD);
73 #if	__FreeBSD_version >= 700025
74 	case SHT_GNU_verdef:	/* == SHT_SUNW_verdef */
75 		return (ELF_T_VDEF);
76 	case SHT_GNU_verneed:	/* == SHT_SUNW_verneed */
77 		return (ELF_T_VNEED);
78 	case SHT_GNU_versym:	/* == SHT_SUNW_versym */
79 		return (ELF_T_HALF);
80 	case SHT_SUNW_move:
81 		return (ELF_T_MOVE);
82 	case SHT_SUNW_syminfo:
83 		return (ELF_T_SYMINFO);
84 	case SHT_SUNW_dof:
85 		return (ELF_T_BYTE);
86 #endif
87 	case SHT_ARM_PREEMPTMAP:
88 		/* FALLTHROUGH */
89 	case SHT_ARM_ATTRIBUTES:
90 		/* FALLTHROUGH */
91 	case SHT_ARM_DEBUGOVERLAY:
92 		/* FALLTHROUGH */
93 	case SHT_ARM_OVERLAYSECTION:
94 		/* FALLTHROUGH */
95 	case SHT_MIPS_DWARF:
96 		/* FALLTHROUGH */
97 	case SHT_MIPS_REGINFO:
98 		/* FALLTHROUGH */
99 	case SHT_MIPS_OPTIONS:
100 		/* FALLTHROUGH */
101 	case SHT_AMD64_UNWIND:	/* == SHT_IA_64_UNWIND == SHT_ARM_EXIDX */
102 		return (ELF_T_BYTE);
103 	default:
104 		return (-1);
105 	}
106 }
107