diff options
Diffstat (limited to 'include/elf/alpha.h')
| -rw-r--r-- | include/elf/alpha.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/elf/alpha.h b/include/elf/alpha.h new file mode 100644 index 0000000..1ae9d5e --- /dev/null +++ b/include/elf/alpha.h @@ -0,0 +1,108 @@ +/* ALPHA ELF support for BFD. + Copyright (C) 1996, 1998 Free Software Foundation, Inc. + + By Eric Youngdale, <eric@aib.com>. No processor supplement available + for this platform. + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* This file holds definitions specific to the ALPHA ELF ABI. Note + that most of this is not actually implemented by BFD. */ + +#ifndef _ELF_ALPHA_H +#define _ELF_ALPHA_H + +/* Processor specific flags for the ELF header e_flags field. */ + +/* All addresses must be below 2GB. */ +#define EF_ALPHA_32BIT 0x00000001 + +/* All relocations needed for relaxation with code movement are present. */ +#define EF_ALPHA_CANRELAX 0x00000002 + +/* Processor specific section flags. */ + +/* This section must be in the global data area. */ +#define SHF_ALPHA_GPREL 0x10000000 + +/* Section contains some sort of debugging information. The exact + format is unspecified. It's probably ECOFF symbols. */ +#define SHT_ALPHA_DEBUG 0x70000001 + +/* Section contains register usage information. */ +#define SHT_ALPHA_REGINFO 0x70000002 + +/* A section of type SHT_MIPS_REGINFO contains the following + structure. */ +typedef struct +{ + /* Mask of general purpose registers used. */ + unsigned long ri_gprmask; + /* Mask of co-processor registers used. */ + unsigned long ri_cprmask[4]; + /* GP register value for this object file. */ + long ri_gp_value; +} Elf64_RegInfo; + +/* Special values for the st_other field in the symbol table. */ + +#define STO_ALPHA_NOPV 0x80 +#define STO_ALPHA_STD_GPLOAD 0x88 + +#include "elf/reloc-macros.h" + +/* Alpha relocs. */ +START_RELOC_NUMBERS (elf_alpha_reloc_type) + RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */ + RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */ + RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */ + RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */ + RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */ + RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */ + RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */ + RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */ + RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */ + RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */ + RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */ + RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */ + +/* Inherited these from ECOFF, but they are not particularly useful + and are depreciated. And not implemented in the BFD, btw. */ + RELOC_NUMBER (R_ALPHA_OP_PUSH, 12) /* OP stack push */ + RELOC_NUMBER (R_ALPHA_OP_STORE, 13) /* OP stack pop and store */ + RELOC_NUMBER (R_ALPHA_OP_PSUB, 14) /* OP stack subtract */ + RELOC_NUMBER (R_ALPHA_OP_PRSHIFT, 15) /* OP stack right shift */ + + RELOC_NUMBER (R_ALPHA_GPVALUE, 16) + RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17) + RELOC_NUMBER (R_ALPHA_GPRELLOW, 18) + RELOC_NUMBER (R_ALPHA_IMMED_GP_16, 19) + RELOC_NUMBER (R_ALPHA_IMMED_GP_HI32, 20) + RELOC_NUMBER (R_ALPHA_IMMED_SCN_HI32, 21) + RELOC_NUMBER (R_ALPHA_IMMED_BR_HI32, 22) + RELOC_NUMBER (R_ALPHA_IMMED_LO32, 23) + +/* These relocations are specific to shared libraries. */ + RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */ + RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */ + RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */ + RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */ + + EMPTY_RELOC (R_ALPHA_max) +END_RELOC_NUMBERS + +#endif /* _ELF_ALPHA_H */ |