xref: /netbsd/sys/arch/arm/include/elf_machdep.h (revision bf9ec67e)
1 /*	$NetBSD: elf_machdep.h,v 1.3 2001/12/09 23:05:57 thorpej Exp $	*/
2 
3 #define ELF32_MACHDEP_ENDIANNESS	ELFDATA2LSB
4 
5 /* Processor specific flags for the ELF header e_flags field.  */
6 #define EF_ARM_RELEXEC		0x00000001
7 #define EF_ARM_HASENTRY		0x00000002
8 #define EF_ARM_INTERWORK	0x00000004 /* GNU binutils 000413 */
9 #define EF_ARM_SYMSARESORTED	0x00000004 /* ARM ELF A08 */
10 #define EF_ARM_APCS_26		0x00000008 /* GNU binutils 000413 */
11 #define EF_ARM_DYNSYMSUSESEGIDX	0x00000008 /* ARM ELF B01 */
12 #define EF_ARM_APCS_FLOAT	0x00000010 /* GNU binutils 000413 */
13 #define EF_ARM_MAPSYMSFIRST	0x00000010 /* ARM ELF B01 */
14 #define EF_ARM_PIC		0x00000020
15 #define EF_ARM_ALIGN8		0x00000040 /* 8-bit structure alignment.  */
16 #define EF_ARM_NEW_ABI		0x00000080
17 #define EF_ARM_OLD_ABI		0x00000100
18 #define EF_ARM_SOFT_FLOAT	0x00000200
19 #define EF_ARM_EABIMASK		0xff000000
20 
21 #define	ELF32_MACHDEP_ID_CASES						\
22 		case EM_ARM:						\
23 			break;
24 
25 #define	ELF32_MACHDEP_ID	EM_ARM
26 
27 #define ARCH_ELFSIZE		32	/* MD native binary size */
28 
29 /* Processor specific relocation types */
30 
31 #define R_ARM_NONE		0
32 #define R_ARM_PC24		1
33 #define R_ARM_ABS32		2
34 #define R_ARM_REL32		3
35 #define R_ARM_PC13		4
36 #define R_ARM_ABS16		5
37 #define R_ARM_ABS12		6
38 #define R_ARM_THM_ABS5		7
39 #define R_ARM_ABS8		8
40 #define R_ARM_SBREL32		9
41 #define R_ARM_THM_PC22		10
42 #define R_ARM_THM_PC8		11
43 #define R_ARM_AMP_VCALL9	12
44 #define R_ARM_SWI24		13
45 #define R_ARM_THM_SWI8		14
46 #define R_ARM_XPC25		15
47 #define R_ARM_THM_XPC22		16
48 
49 /* 17-31 are reserved for ARM Linux. */
50 #define R_ARM_COPY		20
51 #define R_ARM_GLOB_DAT		21
52 #define	R_ARM_JUMP_SLOT		22
53 #define R_ARM_RELATIVE		23
54 #define	R_ARM_GOTOFF		24
55 #define R_ARM_GOTPC		25
56 #define R_ARM_GOT32		26
57 #define R_ARM_PLT32		27
58 
59 #define R_ARM_ALU_PCREL_7_0	32
60 #define R_ARM_ALU_PCREL_15_8	33
61 #define R_ARM_ALU_PCREL_23_15	34
62 #define R_ARM_ALU_SBREL_11_0	35
63 #define R_ARM_ALU_SBREL_19_12	36
64 #define R_ARM_ALU_SBREL_27_20	37
65 
66 /* 96-111 are reserved to G++. */
67 #define R_ARM_GNU_VTENTRY	100
68 #define R_ARM_GNU_VTINHERIT	101
69 #define R_ARM_THM_PC11		102
70 #define R_ARM_THM_PC9		103
71 
72 /* 112-127 are reserved for private experiments. */
73 
74 #define R_ARM_RXPC25		249
75 #define R_ARM_RSBREL32		250
76 #define R_ARM_THM_RPC22		251
77 #define R_ARM_RREL32		252
78 #define R_ARM_RABS32		253
79 #define R_ARM_RPC24		254
80 #define R_ARM_RBASE		255
81 
82 #define R_TYPE(name)		__CONCAT(R_ARM_,name)
83 
84 /* Processor specific program header flags */
85 #define PF_ARM_SB		0x10000000
86 #define PF_ARM_PI		0x20000000
87 #define PF_ARM_ENTRY		0x80000000
88 
89 /* Processor specific section header flags */
90 #define SHF_ENTRYSECT		0x10000000
91 #define SHF_COMDEF		0x80000000
92