1*fae548d3Szrj /* 390 ELF support for BFD. 2*fae548d3Szrj Copyright (C) 2000-2020 Free Software Foundation, Inc. 3*fae548d3Szrj Contributed by Carl B. Pedersen and Martin Schwidefsky. 4*fae548d3Szrj 5*fae548d3Szrj This file is part of BFD, the Binary File Descriptor library. 6*fae548d3Szrj 7*fae548d3Szrj This program is free software; you can redistribute it and/or modify 8*fae548d3Szrj it under the terms of the GNU General Public License as published by 9*fae548d3Szrj the Free Software Foundation; either version 3 of the License, or 10*fae548d3Szrj (at your option) any later version. 11*fae548d3Szrj 12*fae548d3Szrj This program is distributed in the hope that it will be useful, 13*fae548d3Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 14*fae548d3Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*fae548d3Szrj GNU General Public License for more details. 16*fae548d3Szrj 17*fae548d3Szrj You should have received a copy of the GNU General Public License 18*fae548d3Szrj along with this program; if not, write to the Free Software 19*fae548d3Szrj Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 20*fae548d3Szrj 02110-1301, USA. */ 21*fae548d3Szrj 22*fae548d3Szrj #ifndef _ELF_390_H 23*fae548d3Szrj #define _ELF_390_H 24*fae548d3Szrj 25*fae548d3Szrj /* Processor specific flags for the ELF header e_flags field. */ 26*fae548d3Szrj 27*fae548d3Szrj /* Symbol types. */ 28*fae548d3Szrj 29*fae548d3Szrj #define STACK_REG 15 /* Global Stack reg */ 30*fae548d3Szrj #define BACKL_REG 14 /* Global Backlink reg */ 31*fae548d3Szrj #define BASE_REG 13 /* Global Base reg */ 32*fae548d3Szrj #define GOT_REG 12 /* Holds addr of GOT */ 33*fae548d3Szrj 34*fae548d3Szrj #include "elf/reloc-macros.h" 35*fae548d3Szrj 36*fae548d3Szrj /* Processor specific flags for the ELF header e_flags field. */ 37*fae548d3Szrj 38*fae548d3Szrj #define EF_S390_HIGH_GPRS 0x00000001 39*fae548d3Szrj 40*fae548d3Szrj /* Request 4k page table size. */ 41*fae548d3Szrj #define PT_S390_PGSTE (PT_LOPROC + 0) 42*fae548d3Szrj 43*fae548d3Szrj /* Relocation types. */ 44*fae548d3Szrj 45*fae548d3Szrj START_RELOC_NUMBERS (elf_s390_reloc_type) 46*fae548d3Szrj RELOC_NUMBER (R_390_NONE, 0) /* No reloc. */ 47*fae548d3Szrj RELOC_NUMBER (R_390_8, 1) /* Direct 8 bit. */ 48*fae548d3Szrj RELOC_NUMBER (R_390_12, 2) /* Direct 12 bit. */ 49*fae548d3Szrj RELOC_NUMBER (R_390_16, 3) /* Direct 16 bit. */ 50*fae548d3Szrj RELOC_NUMBER (R_390_32, 4) /* Direct 32 bit. */ 51*fae548d3Szrj RELOC_NUMBER (R_390_PC32, 5) /* PC relative 32 bit. */ 52*fae548d3Szrj RELOC_NUMBER (R_390_GOT12, 6) /* 12 bit GOT offset. */ 53*fae548d3Szrj RELOC_NUMBER (R_390_GOT32, 7) /* 32 bit GOT offset. */ 54*fae548d3Szrj RELOC_NUMBER (R_390_PLT32, 8) /* 32 bit PC relative PLT address. */ 55*fae548d3Szrj RELOC_NUMBER (R_390_COPY, 9) /* Copy symbol at runtime. */ 56*fae548d3Szrj RELOC_NUMBER (R_390_GLOB_DAT, 10) /* Create GOT entry. */ 57*fae548d3Szrj RELOC_NUMBER (R_390_JMP_SLOT, 11) /* Create PLT entry. */ 58*fae548d3Szrj RELOC_NUMBER (R_390_RELATIVE, 12) /* Adjust by program base. */ 59*fae548d3Szrj RELOC_NUMBER (R_390_GOTOFF32, 13) /* 32 bit offset to GOT. */ 60*fae548d3Szrj RELOC_NUMBER (R_390_GOTPC, 14) /* 32 bit PC relative offset to GOT. */ 61*fae548d3Szrj RELOC_NUMBER (R_390_GOT16, 15) /* 16 bit GOT offset. */ 62*fae548d3Szrj RELOC_NUMBER (R_390_PC16, 16) /* PC relative 16 bit. */ 63*fae548d3Szrj RELOC_NUMBER (R_390_PC12DBL, 62) /* PC relative 12 bit shifted by 1. */ 64*fae548d3Szrj RELOC_NUMBER (R_390_PLT12DBL, 63) /* 12 bit PC rel. PLT shifted by 1. */ 65*fae548d3Szrj RELOC_NUMBER (R_390_PC16DBL, 17) /* PC relative 16 bit shifted by 1. */ 66*fae548d3Szrj RELOC_NUMBER (R_390_PLT16DBL, 18) /* 16 bit PC rel. PLT shifted by 1. */ 67*fae548d3Szrj RELOC_NUMBER (R_390_PC24DBL, 64) /* PC relative 24 bit shifted by 1. */ 68*fae548d3Szrj RELOC_NUMBER (R_390_PLT24DBL, 65) /* 24 bit PC rel. PLT shifted by 1. */ 69*fae548d3Szrj RELOC_NUMBER (R_390_PC32DBL, 19) /* PC relative 32 bit shifted by 1. */ 70*fae548d3Szrj RELOC_NUMBER (R_390_PLT32DBL, 20) /* 32 bit PC rel. PLT shifted by 1. */ 71*fae548d3Szrj RELOC_NUMBER (R_390_GOTPCDBL, 21) /* 32 bit PC rel. GOT shifted by 1. */ 72*fae548d3Szrj RELOC_NUMBER (R_390_64, 22) /* Direct 64 bit. */ 73*fae548d3Szrj RELOC_NUMBER (R_390_PC64, 23) /* PC relative 64 bit. */ 74*fae548d3Szrj RELOC_NUMBER (R_390_GOT64, 24) /* 64 bit GOT offset. */ 75*fae548d3Szrj RELOC_NUMBER (R_390_PLT64, 25) /* 64 bit PC relative PLT address. */ 76*fae548d3Szrj RELOC_NUMBER (R_390_GOTENT, 26) /* 32 bit PC rel. to GOT entry >> 1. */ 77*fae548d3Szrj RELOC_NUMBER (R_390_GOTOFF16, 27) /* 16 bit offset to GOT. */ 78*fae548d3Szrj RELOC_NUMBER (R_390_GOTOFF64, 28) /* 64 bit offset to GOT. */ 79*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLT12, 29) /* 12 bit offset to jump slot. */ 80*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLT16, 30) /* 16 bit offset to jump slot. */ 81*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLT32, 31) /* 32 bit offset to jump slot. */ 82*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLT64, 32) /* 64 bit offset to jump slot. */ 83*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLTENT, 33) /* 32 bit rel. offset to jump slot. */ 84*fae548d3Szrj RELOC_NUMBER (R_390_PLTOFF16, 34) /* 16 bit offset from GOT to PLT. */ 85*fae548d3Szrj RELOC_NUMBER (R_390_PLTOFF32, 35) /* 32 bit offset from GOT to PLT. */ 86*fae548d3Szrj RELOC_NUMBER (R_390_PLTOFF64, 36) /* 16 bit offset from GOT to PLT. */ 87*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LOAD, 37) /* Tag for load insn in TLS code. */ 88*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GDCALL, 38) /* Tag for function call in general 89*fae548d3Szrj dynamic TLS code. */ 90*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LDCALL, 39) /* Tag for function call in local 91*fae548d3Szrj dynamic TLS code. */ 92*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GD32, 40) /* Direct 32 bit for general dynamic 93*fae548d3Szrj thread local data. */ 94*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GD64, 41) /* Direct 64 bit for general dynamic 95*fae548d3Szrj thread local data. */ 96*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GOTIE12, 42)/* 12 bit GOT offset for static TLS 97*fae548d3Szrj block offset. */ 98*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GOTIE32, 43)/* 32 bit GOT offset for static TLS 99*fae548d3Szrj block offset. */ 100*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GOTIE64, 44)/* 64 bit GOT offset for static TLS 101*fae548d3Szrj block offset. */ 102*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LDM32, 45) /* Direct 32 bit for local dynamic 103*fae548d3Szrj thread local data in LD code. */ 104*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LDM64, 46) /* Direct 64 bit for local dynamic 105*fae548d3Szrj thread local data in LD code. */ 106*fae548d3Szrj RELOC_NUMBER (R_390_TLS_IE32, 47) /* 32 bit address of GOT entry for 107*fae548d3Szrj negated static TLS block offset. */ 108*fae548d3Szrj RELOC_NUMBER (R_390_TLS_IE64, 48) /* 64 bit address of GOT entry for 109*fae548d3Szrj negated static TLS block offset. */ 110*fae548d3Szrj RELOC_NUMBER (R_390_TLS_IEENT, 49) /* 32 bit rel. offset to GOT entry for 111*fae548d3Szrj negated static TLS block offset. */ 112*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LE32, 50) /* 32 bit negated offset relative to 113*fae548d3Szrj static TLS block. */ 114*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LE64, 51) /* 64 bit negated offset relative to 115*fae548d3Szrj static TLS block. */ 116*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LDO32, 52) /* 32 bit offset relative to TLS 117*fae548d3Szrj block. */ 118*fae548d3Szrj RELOC_NUMBER (R_390_TLS_LDO64, 53) /* 64 bit offset relative to TLS 119*fae548d3Szrj block. */ 120*fae548d3Szrj RELOC_NUMBER (R_390_TLS_DTPMOD, 54) /* ID of module containing symbol. */ 121*fae548d3Szrj RELOC_NUMBER (R_390_TLS_DTPOFF, 55) /* Offset in TLS block. */ 122*fae548d3Szrj RELOC_NUMBER (R_390_TLS_TPOFF, 56) /* Negate offset in static TLS 123*fae548d3Szrj block. */ 124*fae548d3Szrj RELOC_NUMBER (R_390_20, 57) /* Direct 20 bit. */ 125*fae548d3Szrj RELOC_NUMBER (R_390_GOT20, 58) /* 20 bit GOT offset. */ 126*fae548d3Szrj RELOC_NUMBER (R_390_GOTPLT20, 59) /* 20 bit offset to jump slot. */ 127*fae548d3Szrj RELOC_NUMBER (R_390_TLS_GOTIE20, 60)/* 20 bit GOT offset for statis TLS 128*fae548d3Szrj block offset. */ 129*fae548d3Szrj RELOC_NUMBER (R_390_IRELATIVE, 61) /* IFUNC relocation. */ 130*fae548d3Szrj /* These are GNU extensions to enable C++ vtable garbage collection. */ 131*fae548d3Szrj RELOC_NUMBER (R_390_GNU_VTINHERIT, 250) 132*fae548d3Szrj RELOC_NUMBER (R_390_GNU_VTENTRY, 251) 133*fae548d3Szrj END_RELOC_NUMBERS (R_390_max) 134*fae548d3Szrj 135*fae548d3Szrj /* Object attribute tags. */ 136*fae548d3Szrj enum 137*fae548d3Szrj { 138*fae548d3Szrj /* 0-3 are generic. */ 139*fae548d3Szrj /* 4 is reserved for the FP ABI. */ 140*fae548d3Szrj 141*fae548d3Szrj /* Vector ABI: 142*fae548d3Szrj 0 = not affected by the vector ABI, or not tagged. 143*fae548d3Szrj 1 = software vector ABI being used 144*fae548d3Szrj 2 = hardware vector ABI being used. */ 145*fae548d3Szrj Tag_GNU_S390_ABI_Vector = 8, 146*fae548d3Szrj }; 147*fae548d3Szrj 148*fae548d3Szrj #endif /* _ELF_390_H */ 149