1*a9fa9459Szrj /* ALPHA ELF support for BFD. 2*a9fa9459Szrj Copyright (C) 1996-2016 Free Software Foundation, Inc. 3*a9fa9459Szrj 4*a9fa9459Szrj By Eric Youngdale, <eric@aib.com>. No processor supplement available 5*a9fa9459Szrj for this platform. 6*a9fa9459Szrj 7*a9fa9459Szrj This file is part of BFD, the Binary File Descriptor library. 8*a9fa9459Szrj 9*a9fa9459Szrj This program is free software; you can redistribute it and/or modify 10*a9fa9459Szrj it under the terms of the GNU General Public License as published by 11*a9fa9459Szrj the Free Software Foundation; either version 3 of the License, or 12*a9fa9459Szrj (at your option) any later version. 13*a9fa9459Szrj 14*a9fa9459Szrj This program is distributed in the hope that it will be useful, 15*a9fa9459Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 16*a9fa9459Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17*a9fa9459Szrj GNU General Public License for more details. 18*a9fa9459Szrj 19*a9fa9459Szrj You should have received a copy of the GNU General Public License 20*a9fa9459Szrj along with this program; if not, write to the Free Software 21*a9fa9459Szrj Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 22*a9fa9459Szrj MA 02110-1301, USA. */ 23*a9fa9459Szrj 24*a9fa9459Szrj /* This file holds definitions specific to the ALPHA ELF ABI. Note 25*a9fa9459Szrj that most of this is not actually implemented by BFD. */ 26*a9fa9459Szrj 27*a9fa9459Szrj #ifndef _ELF_ALPHA_H 28*a9fa9459Szrj #define _ELF_ALPHA_H 29*a9fa9459Szrj 30*a9fa9459Szrj /* Processor specific flags for the ELF header e_flags field. */ 31*a9fa9459Szrj 32*a9fa9459Szrj /* All addresses must be below 2GB. */ 33*a9fa9459Szrj #define EF_ALPHA_32BIT 0x00000001 34*a9fa9459Szrj 35*a9fa9459Szrj /* All relocations needed for relaxation with code movement are present. */ 36*a9fa9459Szrj #define EF_ALPHA_CANRELAX 0x00000002 37*a9fa9459Szrj 38*a9fa9459Szrj /* Processor specific section flags. */ 39*a9fa9459Szrj 40*a9fa9459Szrj /* This section must be in the global data area. */ 41*a9fa9459Szrj #define SHF_ALPHA_GPREL 0x10000000 42*a9fa9459Szrj 43*a9fa9459Szrj /* Section contains some sort of debugging information. The exact 44*a9fa9459Szrj format is unspecified. It's probably ECOFF symbols. */ 45*a9fa9459Szrj #define SHT_ALPHA_DEBUG 0x70000001 46*a9fa9459Szrj 47*a9fa9459Szrj /* Section contains register usage information. */ 48*a9fa9459Szrj #define SHT_ALPHA_REGINFO 0x70000002 49*a9fa9459Szrj 50*a9fa9459Szrj /* A section of type SHT_MIPS_REGINFO contains the following 51*a9fa9459Szrj structure. */ 52*a9fa9459Szrj typedef struct 53*a9fa9459Szrj { 54*a9fa9459Szrj /* Mask of general purpose registers used. */ 55*a9fa9459Szrj unsigned long ri_gprmask; 56*a9fa9459Szrj /* Mask of co-processor registers used. */ 57*a9fa9459Szrj unsigned long ri_cprmask[4]; 58*a9fa9459Szrj /* GP register value for this object file. */ 59*a9fa9459Szrj long ri_gp_value; 60*a9fa9459Szrj } Elf64_RegInfo; 61*a9fa9459Szrj 62*a9fa9459Szrj /* Special values for the st_other field in the symbol table. */ 63*a9fa9459Szrj 64*a9fa9459Szrj #define STO_ALPHA_NOPV 0x80 65*a9fa9459Szrj #define STO_ALPHA_STD_GPLOAD 0x88 66*a9fa9459Szrj 67*a9fa9459Szrj /* Special values for Elf64_Dyn tag. */ 68*a9fa9459Szrj #define DT_ALPHA_PLTRO DT_LOPROC 69*a9fa9459Szrj 70*a9fa9459Szrj #include "elf/reloc-macros.h" 71*a9fa9459Szrj 72*a9fa9459Szrj /* Alpha relocs. */ 73*a9fa9459Szrj START_RELOC_NUMBERS (elf_alpha_reloc_type) 74*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */ 75*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */ 76*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */ 77*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */ 78*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */ 79*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */ 80*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */ 81*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */ 82*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */ 83*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */ 84*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */ 85*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */ 86*a9fa9459Szrj 87*a9fa9459Szrj /* Skip 12 - 16; deprecated ECOFF relocs. */ 88*a9fa9459Szrj 89*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17) /* GP relative 32 bit, high 16 bits */ 90*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GPRELLOW, 18) /* GP relative 32 bit, low 16 bits */ 91*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GPREL16, 19) /* GP relative 16 bit */ 92*a9fa9459Szrj 93*a9fa9459Szrj /* Skip 20 - 23; deprecated ECOFF relocs. */ 94*a9fa9459Szrj 95*a9fa9459Szrj /* These relocations are specific to shared libraries. */ 96*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */ 97*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */ 98*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */ 99*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */ 100*a9fa9459Szrj 101*a9fa9459Szrj /* Like BRADDR, but assert that the source and target object file 102*a9fa9459Szrj share the same GP value, and adjust the target address for 103*a9fa9459Szrj STO_ALPHA_STD_GPLOAD. */ 104*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_BRSGP, 28) 105*a9fa9459Szrj 106*a9fa9459Szrj /* Thread-Local Storage. */ 107*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TLSGD, 29) 108*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TLSLDM, 30) 109*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_DTPMOD64, 31) 110*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GOTDTPREL, 32) 111*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_DTPREL64, 33) 112*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_DTPRELHI, 34) 113*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_DTPRELLO, 35) 114*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_DTPREL16, 36) 115*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_GOTTPREL, 37) 116*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TPREL64, 38) 117*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TPRELHI, 39) 118*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TPRELLO, 40) 119*a9fa9459Szrj RELOC_NUMBER (R_ALPHA_TPREL16, 41) 120*a9fa9459Szrj 121*a9fa9459Szrj END_RELOC_NUMBERS (R_ALPHA_max) 122*a9fa9459Szrj 123*a9fa9459Szrj #define LITUSE_ALPHA_ADDR 0 124*a9fa9459Szrj #define LITUSE_ALPHA_BASE 1 125*a9fa9459Szrj #define LITUSE_ALPHA_BYTOFF 2 126*a9fa9459Szrj #define LITUSE_ALPHA_JSR 3 127*a9fa9459Szrj #define LITUSE_ALPHA_TLSGD 4 128*a9fa9459Szrj #define LITUSE_ALPHA_TLSLDM 5 129*a9fa9459Szrj #define LITUSE_ALPHA_JSRDIRECT 6 130*a9fa9459Szrj 131*a9fa9459Szrj #endif /* _ELF_ALPHA_H */ 132