xref: /netbsd-src/sys/arch/or1k/include/elf_machdep.h (revision dc2ac295848fdbeb08478f3a5bb113efa716e9ad)
1 /* $NetBSD: elf_machdep.h,v 1.2 2017/11/06 03:47:47 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Matt Thomas of 3am Software Foundry.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _OR1K_ELF_MACHDEP_H_
33 #define _OR1K_ELF_MACHDEP_H_
34 
35 #define	ELF32_MACHDEP_ID	EM_OR1K
36 
37 #define ELF32_MACHDEP_ENDIANNESS	ELFDATA2MSB
38 #define ELF64_MACHDEP_ENDIANNESS	xxx
39 
40 #define ELF32_MACHDEP_ID_CASES                                          \
41 		case EM_OR1K:					\
42 			break;
43 
44 #define	ELF64_MACHDEP_ID_CASES
45 
46 #define	KERN_ELFSIZE		32
47 #define ARCH_ELFSIZE		32	/* MD native binary size */
48 
49 /* Processor specific flags for the ELF header e_flags field.  */
50 
51 #define EF_OR1K_NODELAY		0x00000001
52 
53 /* Processor specific relocation types */
54 
55 #define R_OR1K_NONE		0
56 #define R_OR1K_32		1	// A
57 #define R_OR1K_16		2	// A & 0xffff
58 #define R_OR1K_8		3	// A & 0xff
59 #define R_OR1K_LO_16_IN_INSN	4	// A & 0xffff
60 #define R_OR1K_HI_16_IN_INSN	5	// (A >> 16) & 0xffff
61 #define R_OR1K_INSN_REL_26	6	// (S + A - P) >> 2
62 #define R_OR1K_GNU_VTENTRY	7
63 #define R_OR1K_GNU_VTINHERIT	8
64 #define R_OR1K_32_PCREL		9	// A - P
65 #define R_OR1K_16_PCREL		10	// (A - P) & 0xffff
66 #define R_OR1K_8_PCREL		11	// (A - P) & 0xff
67 #define R_OR1K_GOTPC_HI16	12
68 #define R_OR1K_GOTPC_LO16	13
69 #define R_OR1K_GOT15		14
70 #define R_OR1K_PLT26		15
71 #define R_OR1K_GOTOFF_HI16	16
72 #define R_OR1K_GOTOFF_LO16	17
73 #define R_OR1K_COPY		18
74 #define R_OR1K_GLOB_DAT		19
75 #define R_OR1K_JMP_SLOT		20
76 #define R_OR1K_RELATIVE		21
77 #define R_OR1K_TLS_GD_HI16	22
78 #define R_OR1K_TLS_GD_LO16	23
79 #define R_OR1K_TLS_LDM_HI16	24
80 #define R_OR1K_TLS_LDM_LO16	25
81 #define R_OR1K_TLS_LDO_HI16	26
82 #define R_OR1K_TLS_LDO_LO16	27
83 #define R_OR1K_TLS_IE_HI16	28
84 #define R_OR1K_TLS_IE_LO16	29
85 #define R_OR1K_TLS_LE_HI16	30
86 #define R_OR1K_TLS_LE_LO16	31
87 #define R_OR1K_TLS_TPOFF	32
88 #define R_OR1K_TLS_DTPOFF	33
89 #define R_OR1K_TLS_DTPMOD	34
90 
91 #define R_TYPE(name)		R_OR1K_ ## name
92 #define R_TLS_TYPE(name)	R_OR1K_ ## name ## 64
93 
94 #endif /* _OR1K_ELF_MACHDEP_H_ */
95