RTEMS CPU Kit with SuperCore  4.11.3
elf_machdep.h
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1 /* $NetBSD: elf_machdep.h,v 1.8 2009/05/30 05:56:52 skrll Exp $ */
2 
3 #if defined(__ARMEB__)
4 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB
5 #else
6 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB
7 #endif
8 
9 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */
10 #define ELF64_MACHDEP_ID_CASES \
11  /* no 64-bit ELF machine types supported */
12 
13 /* Processor specific flags for the ELF header e_flags field. */
14 #define EF_ARM_RELEXEC 0x00000001
15 #define EF_ARM_HASENTRY 0x00000002
16 #define EF_ARM_INTERWORK 0x00000004 /* GNU binutils 000413 */
17 #define EF_ARM_SYMSARESORTED 0x00000004 /* ARM ELF A08 */
18 #define EF_ARM_APCS_26 0x00000008 /* GNU binutils 000413 */
19 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
20 #define EF_ARM_APCS_FLOAT 0x00000010 /* GNU binutils 000413 */
21 #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ARM ELF B01 */
22 #define EF_ARM_PIC 0x00000020
23 #define EF_ARM_ALIGN8 0x00000040 /* 8-bit structure alignment. */
24 #define EF_ARM_NEW_ABI 0x00000080
25 #define EF_ARM_OLD_ABI 0x00000100
26 #define EF_ARM_SOFT_FLOAT 0x00000200
27 #define EF_ARM_EABIMASK 0xff000000
28 
29 #define ELF32_MACHDEP_ID_CASES \
30  case EM_ARM: \
31  break;
32 
33 #define ELF32_MACHDEP_ID EM_ARM
34 
35 #define ARCH_ELFSIZE 32 /* MD native binary size */
36 
37 /* Processor specific relocation types */
38 
39 #define R_ARM_NONE 0
40 #define R_ARM_PC24 1
41 #define R_ARM_ABS32 2
42 #define R_ARM_REL32 3
43 #define R_ARM_PC13 4
44 #define R_ARM_ABS16 5
45 #define R_ARM_ABS12 6
46 #define R_ARM_THM_ABS5 7
47 #define R_ARM_ABS8 8
48 #define R_ARM_SBREL32 9
49 #define R_ARM_THM_CALL 10
50 #define R_ARM_THM_PC8 11
51 #define R_ARM_AMP_VCALL9 12
52 #define R_ARM_SWI24 13
53 #define R_ARM_THM_SWI8 14
54 #define R_ARM_XPC25 15
55 #define R_ARM_THM_XPC22 16
56 
57 /* TLS relocations */
58 #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */
59 #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */
60 #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */
61 
62 /* 20-31 are reserved for ARM Linux. */
63 #define R_ARM_COPY 20
64 #define R_ARM_GLOB_DAT 21
65 #define R_ARM_JUMP_SLOT 22
66 #define R_ARM_RELATIVE 23
67 #define R_ARM_GOTOFF 24
68 #define R_ARM_GOTPC 25
69 #define R_ARM_GOT32 26
70 #define R_ARM_PLT32 27
71 #define R_ARM_CALL 28
72 #define R_ARM_JUMP24 29
73 #define R_ARM_THM_JUMP24 30
74 #define R_ARM_BASE_ABS 31
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 #define R_ARM_V4BX 40
83 #define R_ARM_TARGET2 41
84 #define R_ARM_PREL31 42
85 
86 #define R_ARM_MOVW_ABS_NC 43
87 #define R_ARM_MOVT_ABS 44
88 
89 #define R_ARM_THM_MOVW_ABS_NC 47
90 #define R_ARM_THM_MOVT_ABS 48
91 
92 #define R_ARM_THM_JUMP19 51
93 
94 /* 96-111 are reserved to G++. */
95 #define R_ARM_GNU_VTENTRY 100
96 #define R_ARM_GNU_VTINHERIT 101
97 #define R_ARM_THM_JUMP11 102
98 #define R_ARM_THM_JUMP8 103
99 
100 /* More TLS relocations */
101 #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic */
102 #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic */
103 #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS */
104 #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of */
105 #define R_ARM_TLS_LE32 108
106 #define R_ARM_TLS_LDO12 109
107 #define R_ARM_TLS_LE12 110
108 #define R_ARM_TLS_IE12GP 111
109 
110 /* 112-127 are reserved for private experiments. */
111 
112 #define R_ARM_RXPC25 249
113 #define R_ARM_RSBREL32 250
114 #define R_ARM_THM_RPC22 251
115 #define R_ARM_RREL32 252
116 #define R_ARM_RABS32 253
117 #define R_ARM_RPC24 254
118 #define R_ARM_RBASE 255
119 
120 #define R_TYPE(name) __CONCAT(R_ARM_,name)
121 
122 /* Processor specific program header flags */
123 #define PF_ARM_SB 0x10000000
124 #define PF_ARM_PI 0x20000000
125 #define PF_ARM_ENTRY 0x80000000
126 
127 /* Processor specific section header flags */
128 #define SHF_ENTRYSECT 0x10000000
129 #define SHF_COMDEF 0x80000000
130 
131 /* Processor specific symbol types */
132 #define STT_ARM_TFUNC STT_LOPROC