| 1 | /* ALPHA ELF support for BFD.
|
|---|
| 2 | Copyright 1996, 1998, 2000 Free Software Foundation, Inc.
|
|---|
| 3 |
|
|---|
| 4 | By Eric Youngdale, <[email protected]>. No processor supplement available
|
|---|
| 5 | for this platform.
|
|---|
| 6 |
|
|---|
| 7 | This file is part of BFD, the Binary File Descriptor library.
|
|---|
| 8 |
|
|---|
| 9 | This program is free software; you can redistribute it and/or modify
|
|---|
| 10 | it under the terms of the GNU General Public License as published by
|
|---|
| 11 | the Free Software Foundation; either version 2 of the License, or
|
|---|
| 12 | (at your option) any later version.
|
|---|
| 13 |
|
|---|
| 14 | This program is distributed in the hope that it will be useful,
|
|---|
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 17 | GNU General Public License for more details.
|
|---|
| 18 |
|
|---|
| 19 | You should have received a copy of the GNU General Public License
|
|---|
| 20 | along with this program; if not, write to the Free Software
|
|---|
| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|---|
| 22 |
|
|---|
| 23 | /* This file holds definitions specific to the ALPHA ELF ABI. Note
|
|---|
| 24 | that most of this is not actually implemented by BFD. */
|
|---|
| 25 |
|
|---|
| 26 | #ifndef _ELF_ALPHA_H
|
|---|
| 27 | #define _ELF_ALPHA_H
|
|---|
| 28 |
|
|---|
| 29 | /* Processor specific flags for the ELF header e_flags field. */
|
|---|
| 30 |
|
|---|
| 31 | /* All addresses must be below 2GB. */
|
|---|
| 32 | #define EF_ALPHA_32BIT 0x00000001
|
|---|
| 33 |
|
|---|
| 34 | /* All relocations needed for relaxation with code movement are present. */
|
|---|
| 35 | #define EF_ALPHA_CANRELAX 0x00000002
|
|---|
| 36 |
|
|---|
| 37 | /* Processor specific section flags. */
|
|---|
| 38 |
|
|---|
| 39 | /* This section must be in the global data area. */
|
|---|
| 40 | #define SHF_ALPHA_GPREL 0x10000000
|
|---|
| 41 |
|
|---|
| 42 | /* Section contains some sort of debugging information. The exact
|
|---|
| 43 | format is unspecified. It's probably ECOFF symbols. */
|
|---|
| 44 | #define SHT_ALPHA_DEBUG 0x70000001
|
|---|
| 45 |
|
|---|
| 46 | /* Section contains register usage information. */
|
|---|
| 47 | #define SHT_ALPHA_REGINFO 0x70000002
|
|---|
| 48 |
|
|---|
| 49 | /* A section of type SHT_MIPS_REGINFO contains the following
|
|---|
| 50 | structure. */
|
|---|
| 51 | typedef struct
|
|---|
| 52 | {
|
|---|
| 53 | /* Mask of general purpose registers used. */
|
|---|
| 54 | unsigned long ri_gprmask;
|
|---|
| 55 | /* Mask of co-processor registers used. */
|
|---|
| 56 | unsigned long ri_cprmask[4];
|
|---|
| 57 | /* GP register value for this object file. */
|
|---|
| 58 | long ri_gp_value;
|
|---|
| 59 | } Elf64_RegInfo;
|
|---|
| 60 |
|
|---|
| 61 | /* Special values for the st_other field in the symbol table. */
|
|---|
| 62 |
|
|---|
| 63 | #define STO_ALPHA_NOPV 0x80
|
|---|
| 64 | #define STO_ALPHA_STD_GPLOAD 0x88
|
|---|
| 65 |
|
|---|
| 66 | #include "elf/reloc-macros.h"
|
|---|
| 67 |
|
|---|
| 68 | /* Alpha relocs. */
|
|---|
| 69 | START_RELOC_NUMBERS (elf_alpha_reloc_type)
|
|---|
| 70 | RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */
|
|---|
| 71 | RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */
|
|---|
| 72 | RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */
|
|---|
| 73 | RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */
|
|---|
| 74 | RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */
|
|---|
| 75 | RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */
|
|---|
| 76 | RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */
|
|---|
| 77 | RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */
|
|---|
| 78 | RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */
|
|---|
| 79 | RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */
|
|---|
| 80 | RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */
|
|---|
| 81 | RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */
|
|---|
| 82 |
|
|---|
| 83 | /* Inherited these from ECOFF, but they are not particularly useful
|
|---|
| 84 | and are depreciated. And not implemented in the BFD, btw. */
|
|---|
| 85 | RELOC_NUMBER (R_ALPHA_OP_PUSH, 12) /* OP stack push */
|
|---|
| 86 | RELOC_NUMBER (R_ALPHA_OP_STORE, 13) /* OP stack pop and store */
|
|---|
| 87 | RELOC_NUMBER (R_ALPHA_OP_PSUB, 14) /* OP stack subtract */
|
|---|
| 88 | RELOC_NUMBER (R_ALPHA_OP_PRSHIFT, 15) /* OP stack right shift */
|
|---|
| 89 |
|
|---|
| 90 | RELOC_NUMBER (R_ALPHA_GPVALUE, 16)
|
|---|
| 91 | RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17)
|
|---|
| 92 | RELOC_NUMBER (R_ALPHA_GPRELLOW, 18)
|
|---|
| 93 | RELOC_NUMBER (R_ALPHA_IMMED_GP_16, 19)
|
|---|
| 94 | RELOC_NUMBER (R_ALPHA_IMMED_GP_HI32, 20)
|
|---|
| 95 | RELOC_NUMBER (R_ALPHA_IMMED_SCN_HI32, 21)
|
|---|
| 96 | RELOC_NUMBER (R_ALPHA_IMMED_BR_HI32, 22)
|
|---|
| 97 | RELOC_NUMBER (R_ALPHA_IMMED_LO32, 23)
|
|---|
| 98 |
|
|---|
| 99 | /* These relocations are specific to shared libraries. */
|
|---|
| 100 | RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */
|
|---|
| 101 | RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */
|
|---|
| 102 | RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */
|
|---|
| 103 | RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */
|
|---|
| 104 |
|
|---|
| 105 | END_RELOC_NUMBERS (R_ALPHA_max)
|
|---|
| 106 |
|
|---|
| 107 | #endif /* _ELF_ALPHA_H */
|
|---|
