/* ALPHA ELF support for BFD. Copyright 1996, 1998, 2000, 2001, 2002 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., 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 */