projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 RH |
1 | /* ALPHA ELF support for BFD. |
| 2 | Copyright (C) 1996, 1998 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | By Eric Youngdale, <eric@aib.com>. 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 | EMPTY_RELOC (R_ALPHA_max) | |
| 106 | END_RELOC_NUMBERS | |
| 107 | ||
| 108 | #endif /* _ELF_ALPHA_H */ |