1 /*	$NetBSD: elf_machdep.h,v 1.10 2012/08/05 04:12:46 matt Exp $	*/
2 
3 #ifndef _ARM_ELF_MACHDEP_H_
4 #define _ARM_ELF_MACHDEP_H_
5 
6 #define ELF32_MACHDEP_ENDIANNESS	ELFDATA2LSB
7 
8 #define ELF64_MACHDEP_ENDIANNESS	XXX	/* break compilation */
9 #define ELF64_MACHDEP_ID_CASES                                          \
10 		/* no 64-bit ELF machine types supported */
11 
12 /* Processor specific flags for the ELF header e_flags field.  */
13 #define EF_ARM_RELEXEC		0x00000001
14 #define EF_ARM_HASENTRY		0x00000002
15 #define EF_ARM_INTERWORK	0x00000004 /* GNU binutils 000413 */
16 #define EF_ARM_SYMSARESORTED	0x00000004 /* ARM ELF A08 */
17 #define EF_ARM_APCS_26		0x00000008 /* GNU binutils 000413 */
18 #define EF_ARM_DYNSYMSUSESEGIDX	0x00000008 /* ARM ELF B01 */
19 #define EF_ARM_APCS_FLOAT	0x00000010 /* GNU binutils 000413 */
20 #define EF_ARM_MAPSYMSFIRST	0x00000010 /* ARM ELF B01 */
21 #define EF_ARM_PIC		0x00000020
22 #define EF_ARM_ALIGN8		0x00000040 /* 8-bit structure alignment.  */
23 #define EF_ARM_NEW_ABI		0x00000080
24 #define EF_ARM_OLD_ABI		0x00000100
25 #define EF_ARM_SOFT_FLOAT	0x00000200
26 #define EF_ARM_EABIMASK		0xff000000
27 #define	EF_ARM_EABI_VER1	0x01000000
28 #define	EF_ARM_EABI_VER2	0x02000000
29 #define	EF_ARM_EABI_VER3	0x03000000
30 #define	EF_ARM_EABI_VER4	0x04000000
31 #define	EF_ARM_EABI_VER5	0x05000000
32 
33 #define	ELF32_MACHDEP_ID_CASES						\
34 		case EM_ARM:						\
35 			break;
36 
37 #define	ELF32_MACHDEP_ID	EM_ARM
38 
39 #define ARCH_ELFSIZE		32	/* MD native binary size */
40 
41 /* Processor specific relocation types */
42 
43 #define R_ARM_NONE		0
44 #define R_ARM_PC24		1
45 #define R_ARM_ABS32		2
46 #define R_ARM_REL32		3
47 #define R_ARM_PC13		4
48 #define R_ARM_ABS16		5
49 #define R_ARM_ABS12		6
50 #define R_ARM_THM_ABS5		7
51 #define R_ARM_ABS8		8
52 #define R_ARM_SBREL32		9
53 #define R_ARM_THM_PC22		10
54 #define R_ARM_THM_PC8		11
55 #define R_ARM_AMP_VCALL9	12
56 #define R_ARM_SWI24		13
57 #define R_ARM_THM_SWI8		14
58 #define R_ARM_XPC25		15
59 #define R_ARM_THM_XPC22		16
60 
61 /* TLS relocations */
62 #define R_ARM_TLS_DTPMOD32	17	/* ID of module containing symbol */
63 #define R_ARM_TLS_DTPOFF32	18	/* Offset in TLS block */
64 #define R_ARM_TLS_TPOFF32	19	/* Offset in static TLS block */
65 
66 /* 20-31 are reserved for ARM Linux. */
67 #define R_ARM_COPY		20
68 #define R_ARM_GLOB_DAT		21
69 #define	R_ARM_JUMP_SLOT		22
70 #define R_ARM_RELATIVE		23
71 #define	R_ARM_GOTOFF		24
72 #define R_ARM_GOTPC		25
73 #define R_ARM_GOT32		26
74 #define R_ARM_PLT32		27
75 
76 #define R_ARM_ALU_PCREL_7_0	32
77 #define R_ARM_ALU_PCREL_15_8	33
78 #define R_ARM_ALU_PCREL_23_15	34
79 #define R_ARM_ALU_SBREL_11_0	35
80 #define R_ARM_ALU_SBREL_19_12	36
81 #define R_ARM_ALU_SBREL_27_20	37
82 
83 /* 96-111 are reserved to G++. */
84 #define R_ARM_GNU_VTENTRY	100
85 #define R_ARM_GNU_VTINHERIT	101
86 #define R_ARM_THM_PC11		102
87 #define R_ARM_THM_PC9		103
88 
89 /* More TLS relocations */
90 #define R_ARM_TLS_GD32		104	/* PC-rel 32 bit for global dynamic */
91 #define R_ARM_TLS_LDM32		105	/* PC-rel 32 bit for local dynamic */
92 #define R_ARM_TLS_LDO32		106	/* 32 bit offset relative to TLS */
93 #define R_ARM_TLS_IE32		107	/* PC-rel 32 bit for GOT entry of */
94 #define R_ARM_TLS_LE32		108
95 #define R_ARM_TLS_LDO12		109
96 #define R_ARM_TLS_LE12		110
97 #define R_ARM_TLS_IE12GP	111
98 
99 /* 112-127 are reserved for private experiments. */
100 
101 #define R_ARM_IRELATIVE   160
102 
103 #define R_ARM_RXPC25		249
104 #define R_ARM_RSBREL32		250
105 #define R_ARM_THM_RPC22		251
106 #define R_ARM_RREL32		252
107 #define R_ARM_RABS32		253
108 #define R_ARM_RPC24		254
109 #define R_ARM_RBASE		255
110 
111 #define R_TYPE(name)		__CONCAT(R_ARM_,name)
112 
113 /* Processor specific program header flags */
114 #define PF_ARM_SB		0x10000000
115 #define PF_ARM_PI		0x20000000
116 #define PF_ARM_ENTRY		0x80000000
117 
118 /* Processor specific section header flags */
119 #define SHF_ENTRYSECT		0x10000000
120 #define SHF_COMDEF		0x80000000
121 
122 /* Processor specific symbol types */
123 #define STT_ARM_TFUNC		STT_LOPROC
124 
125 #endif /* _ARM_ELF_MACHDEP_H_ */
126