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252b5132 RH |
1 | /* ARM ELF support for BFD. |
2 | Copyright (C) 1998, 1999 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software Foundation, | |
18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #ifndef _ELF_ARM_H | |
21 | #define _ELF_ARM_H | |
22 | ||
23 | #include "elf/reloc-macros.h" | |
24 | ||
25 | /* Processor specific flags for the ELF header e_flags field. */ | |
26 | #define EF_ARM_RELEXEC 0x01 | |
27 | #define EF_ARM_HASENTRY 0x02 | |
28 | #define EF_INTERWORK 0x04 | |
29 | #define EF_APCS_26 0x08 | |
30 | #define EF_APCS_FLOAT 0x10 | |
31 | #define EF_PIC 0x20 | |
32 | #define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */ | |
33 | #define EF_NEW_ABI 0x80 | |
34 | #define EF_OLD_ABI 0x100 | |
35 | ||
36 | /* Local aliases for some flags to match names used by COFF port. */ | |
37 | #define F_INTERWORK EF_INTERWORK | |
38 | #define F_APCS26 EF_APCS_26 | |
39 | #define F_APCS_FLOAT EF_APCS_FLOAT | |
40 | #define F_PIC EF_PIC | |
41 | ||
42 | /* Additional symbol types for Thumb */ | |
43 | #define STT_ARM_TFUNC 0xd | |
44 | ||
45 | /* ARM-specific values for sh_flags */ | |
46 | #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point */ | |
47 | #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step */ | |
48 | ||
49 | /* ARM-specific program header flags */ | |
50 | #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base */ | |
51 | ||
52 | /* Relocation types. */ | |
53 | START_RELOC_NUMBERS (elf_arm_reloc_type) | |
54 | RELOC_NUMBER (R_ARM_NONE, 0) | |
55 | RELOC_NUMBER (R_ARM_PC24, 1) | |
56 | RELOC_NUMBER (R_ARM_ABS32, 2) | |
57 | RELOC_NUMBER (R_ARM_REL32, 3) | |
58 | RELOC_NUMBER (R_ARM_ABS8, 4) | |
59 | RELOC_NUMBER (R_ARM_ABS16, 5) | |
60 | RELOC_NUMBER (R_ARM_ABS12, 6) | |
61 | RELOC_NUMBER (R_ARM_THM_ABS5, 7) | |
62 | RELOC_NUMBER (R_ARM_THM_PC22, 8) | |
63 | RELOC_NUMBER (R_ARM_SBREL32, 9) | |
64 | RELOC_NUMBER (R_ARM_AMP_VCALL9, 10) | |
65 | RELOC_NUMBER (R_ARM_THM_PC11, 11) /* cygnus extension to abi: thumb unconditional branch */ | |
66 | RELOC_NUMBER (R_ARM_THM_PC9, 12) /* cygnus extension to abi: thumb conditional branch */ | |
67 | RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13) | |
68 | RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14) | |
69 | RELOC_NUMBER (R_ARM_COPY, 20) /* copy symbol at runtime */ | |
70 | RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* create GOT entry */ | |
71 | RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* create PLT entry */ | |
72 | RELOC_NUMBER (R_ARM_RELATIVE, 23) /* adjust by program base */ | |
73 | RELOC_NUMBER (R_ARM_GOTOFF, 24) /* 32 bit offset to GOT */ | |
74 | RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT */ | |
75 | RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry */ | |
76 | RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address */ | |
77 | FAKE_RELOC (FIRST_INVALID_RELOC, 28) | |
78 | FAKE_RELOC (LAST_INVALID_RELOC, 249) | |
79 | RELOC_NUMBER (R_ARM_RSBREL32, 250) | |
80 | RELOC_NUMBER (R_ARM_THM_RPC22, 251) | |
81 | RELOC_NUMBER (R_ARM_RREL32, 252) | |
82 | RELOC_NUMBER (R_ARM_RABS32, 253) | |
83 | RELOC_NUMBER (R_ARM_RPC24, 254) | |
84 | RELOC_NUMBER (R_ARM_RBASE, 255) | |
85 | END_RELOC_NUMBERS | |
86 | ||
87 | #endif |