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252b5132 | 1 | /* PPC ELF support for BFD. |
638632bd | 2 | Copyright (C) 1995, 96, 98, 2000 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information | |
5 | in the System V Application Binary Interface, PowerPC Processor Supplement | |
6 | and the PowerPC Embedded Application Binary Interface (eabi). | |
7 | ||
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | /* This file holds definitions specific to the PPC ELF ABI. Note | |
25 | that most of this is not actually implemented by BFD. */ | |
26 | ||
27 | #ifndef _ELF_PPC_H | |
28 | #define _ELF_PPC_H | |
29 | ||
30 | #include "elf/reloc-macros.h" | |
31 | ||
32 | /* Relocations. */ | |
33 | START_RELOC_NUMBERS (elf_ppc_reloc_type) | |
34 | RELOC_NUMBER (R_PPC_NONE, 0) | |
35 | RELOC_NUMBER (R_PPC_ADDR32, 1) | |
36 | RELOC_NUMBER (R_PPC_ADDR24, 2) | |
37 | RELOC_NUMBER (R_PPC_ADDR16, 3) | |
38 | RELOC_NUMBER (R_PPC_ADDR16_LO, 4) | |
39 | RELOC_NUMBER (R_PPC_ADDR16_HI, 5) | |
40 | RELOC_NUMBER (R_PPC_ADDR16_HA, 6) | |
41 | RELOC_NUMBER (R_PPC_ADDR14, 7) | |
42 | RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8) | |
43 | RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9) | |
44 | RELOC_NUMBER (R_PPC_REL24, 10) | |
45 | RELOC_NUMBER (R_PPC_REL14, 11) | |
46 | RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12) | |
47 | RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13) | |
48 | RELOC_NUMBER (R_PPC_GOT16, 14) | |
49 | RELOC_NUMBER (R_PPC_GOT16_LO, 15) | |
50 | RELOC_NUMBER (R_PPC_GOT16_HI, 16) | |
51 | RELOC_NUMBER (R_PPC_GOT16_HA, 17) | |
52 | RELOC_NUMBER (R_PPC_PLTREL24, 18) | |
53 | RELOC_NUMBER (R_PPC_COPY, 19) | |
54 | RELOC_NUMBER (R_PPC_GLOB_DAT, 20) | |
55 | RELOC_NUMBER (R_PPC_JMP_SLOT, 21) | |
56 | RELOC_NUMBER (R_PPC_RELATIVE, 22) | |
57 | RELOC_NUMBER (R_PPC_LOCAL24PC, 23) | |
58 | RELOC_NUMBER (R_PPC_UADDR32, 24) | |
59 | RELOC_NUMBER (R_PPC_UADDR16, 25) | |
60 | RELOC_NUMBER (R_PPC_REL32, 26) | |
61 | RELOC_NUMBER (R_PPC_PLT32, 27) | |
62 | RELOC_NUMBER (R_PPC_PLTREL32, 28) | |
63 | RELOC_NUMBER (R_PPC_PLT16_LO, 29) | |
64 | RELOC_NUMBER (R_PPC_PLT16_HI, 30) | |
65 | RELOC_NUMBER (R_PPC_PLT16_HA, 31) | |
66 | RELOC_NUMBER (R_PPC_SDAREL16, 32) | |
67 | RELOC_NUMBER (R_PPC_SECTOFF, 33) | |
68 | RELOC_NUMBER (R_PPC_SECTOFF_LO, 34) | |
69 | RELOC_NUMBER (R_PPC_SECTOFF_HI, 35) | |
70 | RELOC_NUMBER (R_PPC_SECTOFF_HA, 36) | |
71 | ||
72 | /* The remaining relocs are from the Embedded ELF ABI, and are not | |
73 | in the SVR4 ELF ABI. */ | |
74 | RELOC_NUMBER (R_PPC_EMB_NADDR32, 101) | |
75 | RELOC_NUMBER (R_PPC_EMB_NADDR16, 102) | |
76 | RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103) | |
77 | RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104) | |
78 | RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105) | |
79 | RELOC_NUMBER (R_PPC_EMB_SDAI16, 106) | |
80 | RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107) | |
81 | RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108) | |
82 | RELOC_NUMBER (R_PPC_EMB_SDA21, 109) | |
83 | RELOC_NUMBER (R_PPC_EMB_MRKREF, 110) | |
84 | RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111) | |
85 | RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112) | |
86 | RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113) | |
87 | RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114) | |
88 | RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115) | |
89 | RELOC_NUMBER (R_PPC_EMB_RELSDA, 116) | |
90 | ||
91 | /* These are GNU extensions to enable C++ vtable garbage collection. */ | |
92 | RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253) | |
93 | RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254) | |
94 | ||
95 | /* This is a phony reloc to handle any old fashioned TOC16 references | |
96 | that may still be in object files. */ | |
97 | RELOC_NUMBER (R_PPC_TOC16, 255) | |
98 | ||
1b452ec6 | 99 | END_RELOC_NUMBERS (R_PPC_max) |
252b5132 RH |
100 | |
101 | ||
102 | /* Processor specific flags for the ELF header e_flags field. */ | |
103 | ||
7e984c81 | 104 | #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */ |
252b5132 | 105 | |
7e984c81 NC |
106 | #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */ |
107 | #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */ | |
252b5132 | 108 | |
7e984c81 | 109 | /* Processor specific section headers, sh_type field. */ |
252b5132 RH |
110 | |
111 | #define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \ | |
112 | entries in this section \ | |
113 | based on the address \ | |
114 | specified in the associated \ | |
115 | symbol table entry. */ | |
116 | ||
7e984c81 | 117 | /* Processor specific section flags, sh_flags field. */ |
252b5132 RH |
118 | |
119 | #define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \ | |
120 | this section from executable \ | |
121 | and shared objects that it \ | |
122 | builds when those objects \ | |
123 | are not to be furhter \ | |
124 | relocated. */ | |
125 | #endif /* _ELF_PPC_H */ |