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[android-sdk/platform-bionic.git] / libc / arch-arm / include / machine / elf_machdep.h
1 /*      $NetBSD: elf_machdep.h,v 1.10 2012/08/05 04:12:46 matt Exp $    */
3 #ifndef _ARM_ELF_MACHDEP_H_
4 #define _ARM_ELF_MACHDEP_H_
6 #if defined(__ARMEB__)
7 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2MSB
8 #else
9 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2LSB
10 #endif
12 #define ELF64_MACHDEP_ENDIANNESS        XXX     /* break compilation */
13 #define ELF64_MACHDEP_ID_CASES                                          \
14                 /* no 64-bit ELF machine types supported */
16 /* Processor specific flags for the ELF header e_flags field.  */
17 #define EF_ARM_RELEXEC          0x00000001
18 #define EF_ARM_HASENTRY         0x00000002
19 #define EF_ARM_INTERWORK        0x00000004 /* GNU binutils 000413 */
20 #define EF_ARM_SYMSARESORTED    0x00000004 /* ARM ELF A08 */
21 #define EF_ARM_APCS_26          0x00000008 /* GNU binutils 000413 */
22 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
23 #define EF_ARM_APCS_FLOAT       0x00000010 /* GNU binutils 000413 */
24 #define EF_ARM_MAPSYMSFIRST     0x00000010 /* ARM ELF B01 */
25 #define EF_ARM_PIC              0x00000020
26 #define EF_ARM_ALIGN8           0x00000040 /* 8-bit structure alignment.  */
27 #define EF_ARM_NEW_ABI          0x00000080
28 #define EF_ARM_OLD_ABI          0x00000100
29 #define EF_ARM_SOFT_FLOAT       0x00000200
30 #define EF_ARM_EABIMASK         0xff000000
31 #define EF_ARM_EABI_VER1        0x01000000
32 #define EF_ARM_EABI_VER2        0x02000000
33 #define EF_ARM_EABI_VER3        0x03000000
34 #define EF_ARM_EABI_VER4        0x04000000
35 #define EF_ARM_EABI_VER5        0x05000000
37 #define ELF32_MACHDEP_ID_CASES                                          \
38                 case EM_ARM:                                            \
39                         break;
41 #define ELF32_MACHDEP_ID        EM_ARM
43 #define ARCH_ELFSIZE            32      /* MD native binary size */
45 /* Processor specific relocation types */
47 #define R_ARM_NONE              0
48 #define R_ARM_PC24              1
49 #define R_ARM_ABS32             2
50 #define R_ARM_REL32             3
51 #define R_ARM_PC13              4
52 #define R_ARM_ABS16             5
53 #define R_ARM_ABS12             6
54 #define R_ARM_THM_ABS5          7
55 #define R_ARM_ABS8              8
56 #define R_ARM_SBREL32           9
57 #define R_ARM_THM_PC22          10
58 #define R_ARM_THM_PC8           11
59 #define R_ARM_AMP_VCALL9        12
60 #define R_ARM_SWI24             13
61 #define R_ARM_THM_SWI8          14
62 #define R_ARM_XPC25             15
63 #define R_ARM_THM_XPC22         16
65 /* TLS relocations */
66 #define R_ARM_TLS_DTPMOD32      17      /* ID of module containing symbol */
67 #define R_ARM_TLS_DTPOFF32      18      /* Offset in TLS block */
68 #define R_ARM_TLS_TPOFF32       19      /* Offset in static TLS block */
70 /* 20-31 are reserved for ARM Linux. */
71 #define R_ARM_COPY              20
72 #define R_ARM_GLOB_DAT          21
73 #define R_ARM_JUMP_SLOT         22
74 #define R_ARM_RELATIVE          23
75 #define R_ARM_GOTOFF            24
76 #define R_ARM_GOTPC             25
77 #define R_ARM_GOT32             26
78 #define R_ARM_PLT32             27
80 #define R_ARM_ALU_PCREL_7_0     32
81 #define R_ARM_ALU_PCREL_15_8    33
82 #define R_ARM_ALU_PCREL_23_15   34
83 #define R_ARM_ALU_SBREL_11_0    35
84 #define R_ARM_ALU_SBREL_19_12   36
85 #define R_ARM_ALU_SBREL_27_20   37
87 /* 96-111 are reserved to G++. */
88 #define R_ARM_GNU_VTENTRY       100
89 #define R_ARM_GNU_VTINHERIT     101
90 #define R_ARM_THM_PC11          102
91 #define R_ARM_THM_PC9           103
93 /* More TLS relocations */
94 #define R_ARM_TLS_GD32          104     /* PC-rel 32 bit for global dynamic */
95 #define R_ARM_TLS_LDM32         105     /* PC-rel 32 bit for local dynamic */
96 #define R_ARM_TLS_LDO32         106     /* 32 bit offset relative to TLS */
97 #define R_ARM_TLS_IE32          107     /* PC-rel 32 bit for GOT entry of */
98 #define R_ARM_TLS_LE32          108
99 #define R_ARM_TLS_LDO12         109
100 #define R_ARM_TLS_LE12          110
101 #define R_ARM_TLS_IE12GP        111
103 /* 112-127 are reserved for private experiments. */
105 #define R_ARM_RXPC25            249
106 #define R_ARM_RSBREL32          250
107 #define R_ARM_THM_RPC22         251
108 #define R_ARM_RREL32            252
109 #define R_ARM_RABS32            253
110 #define R_ARM_RPC24             254
111 #define R_ARM_RBASE             255
113 #define R_TYPE(name)            __CONCAT(R_ARM_,name)
115 /* Processor specific program header flags */
116 #define PF_ARM_SB               0x10000000
117 #define PF_ARM_PI               0x20000000
118 #define PF_ARM_ENTRY            0x80000000
120 /* Processor specific section header flags */
121 #define SHF_ENTRYSECT           0x10000000
122 #define SHF_COMDEF              0x80000000
124 /* Processor specific symbol types */
125 #define STT_ARM_TFUNC           STT_LOPROC
127 #ifdef _KERNEL
128 #ifdef ELFSIZE
129 #define ELF_MD_PROBE_FUNC       ELFNAME2(arm_netbsd,probe)
130 #endif
132 struct exec_package;
134 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *,
135         vaddr_t *);
136 #endif
138 #endif /* _ARM_ELF_MACHDEP_H_ */