| /* ALPHA ELF support for BFD. |
| Copyright (C) 1996-2022 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 3 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., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, 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 |
| |
| /* Special values for Elf64_Dyn tag. */ |
| #define DT_ALPHA_PLTRO DT_LOPROC |
| |
| #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 */ |
| |
| /* Skip 12 - 16; deprecated ECOFF relocs. */ |
| |
| RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17) /* GP relative 32 bit, high 16 bits */ |
| RELOC_NUMBER (R_ALPHA_GPRELLOW, 18) /* GP relative 32 bit, low 16 bits */ |
| RELOC_NUMBER (R_ALPHA_GPREL16, 19) /* GP relative 16 bit */ |
| |
| /* Skip 20 - 23; deprecated ECOFF relocs. */ |
| |
| /* 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 */ |
| |
| /* Like BRADDR, but assert that the source and target object file |
| share the same GP value, and adjust the target address for |
| STO_ALPHA_STD_GPLOAD. */ |
| RELOC_NUMBER (R_ALPHA_BRSGP, 28) |
| |
| /* Thread-Local Storage. */ |
| RELOC_NUMBER (R_ALPHA_TLSGD, 29) |
| RELOC_NUMBER (R_ALPHA_TLSLDM, 30) |
| RELOC_NUMBER (R_ALPHA_DTPMOD64, 31) |
| RELOC_NUMBER (R_ALPHA_GOTDTPREL, 32) |
| RELOC_NUMBER (R_ALPHA_DTPREL64, 33) |
| RELOC_NUMBER (R_ALPHA_DTPRELHI, 34) |
| RELOC_NUMBER (R_ALPHA_DTPRELLO, 35) |
| RELOC_NUMBER (R_ALPHA_DTPREL16, 36) |
| RELOC_NUMBER (R_ALPHA_GOTTPREL, 37) |
| RELOC_NUMBER (R_ALPHA_TPREL64, 38) |
| RELOC_NUMBER (R_ALPHA_TPRELHI, 39) |
| RELOC_NUMBER (R_ALPHA_TPRELLO, 40) |
| RELOC_NUMBER (R_ALPHA_TPREL16, 41) |
| |
| END_RELOC_NUMBERS (R_ALPHA_max) |
| |
| #define LITUSE_ALPHA_ADDR 0 |
| #define LITUSE_ALPHA_BASE 1 |
| #define LITUSE_ALPHA_BYTOFF 2 |
| #define LITUSE_ALPHA_JSR 3 |
| #define LITUSE_ALPHA_TLSGD 4 |
| #define LITUSE_ALPHA_TLSLDM 5 |
| #define LITUSE_ALPHA_JSRDIRECT 6 |
| |
| #endif /* _ELF_ALPHA_H */ |
