1*fae548d3Szrj /* m68hc11 & m68hc12 ELF support for BFD. 2*fae548d3Szrj Copyright (C) 1999-2020 Free Software Foundation, Inc. 3*fae548d3Szrj 4*fae548d3Szrj This file is part of BFD, the Binary File Descriptor library. 5*fae548d3Szrj 6*fae548d3Szrj This program is free software; you can redistribute it and/or modify 7*fae548d3Szrj it under the terms of the GNU General Public License as published by 8*fae548d3Szrj the Free Software Foundation; either version 3 of the License, or 9*fae548d3Szrj (at your option) any later version. 10*fae548d3Szrj 11*fae548d3Szrj This program is distributed in the hope that it will be useful, 12*fae548d3Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 13*fae548d3Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*fae548d3Szrj GNU General Public License for more details. 15*fae548d3Szrj 16*fae548d3Szrj You should have received a copy of the GNU General Public License 17*fae548d3Szrj along with this program; if not, write to the Free Software Foundation, 18*fae548d3Szrj Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 19*fae548d3Szrj 20*fae548d3Szrj #ifndef _ELF_M68HC11_H 21*fae548d3Szrj #define _ELF_M68HC11_H 22*fae548d3Szrj 23*fae548d3Szrj #include "elf/reloc-macros.h" 24*fae548d3Szrj 25*fae548d3Szrj /* Relocation types. */ 26*fae548d3Szrj START_RELOC_NUMBERS (elf_m68hc11_reloc_type) 27*fae548d3Szrj RELOC_NUMBER (R_M68HC11_NONE, 0) 28*fae548d3Szrj RELOC_NUMBER (R_M68HC11_8, 1) 29*fae548d3Szrj RELOC_NUMBER (R_M68HC11_HI8, 2) 30*fae548d3Szrj RELOC_NUMBER (R_M68HC11_LO8, 3) 31*fae548d3Szrj RELOC_NUMBER (R_M68HC11_PCREL_8, 4) 32*fae548d3Szrj RELOC_NUMBER (R_M68HC11_16, 5) 33*fae548d3Szrj RELOC_NUMBER (R_M68HC11_32, 6) 34*fae548d3Szrj RELOC_NUMBER (R_M68HC11_3B, 7) 35*fae548d3Szrj RELOC_NUMBER (R_M68HC11_PCREL_16, 8) 36*fae548d3Szrj 37*fae548d3Szrj /* These are GNU extensions to enable C++ vtable garbage collection. */ 38*fae548d3Szrj RELOC_NUMBER (R_M68HC11_GNU_VTINHERIT, 9) 39*fae548d3Szrj RELOC_NUMBER (R_M68HC11_GNU_VTENTRY, 10) 40*fae548d3Szrj 41*fae548d3Szrj RELOC_NUMBER (R_M68HC11_24, 11) 42*fae548d3Szrj RELOC_NUMBER (R_M68HC11_LO16, 12) 43*fae548d3Szrj RELOC_NUMBER (R_M68HC11_PAGE, 13) 44*fae548d3Szrj 45*fae548d3Szrj RELOC_NUMBER (R_M68HC12_16B, 15) 46*fae548d3Szrj RELOC_NUMBER (R_M68HC12_PCREL_9, 16) 47*fae548d3Szrj RELOC_NUMBER (R_M68HC12_PCREL_10, 17) 48*fae548d3Szrj RELOC_NUMBER (R_M68HC12_HI8XG, 18) 49*fae548d3Szrj RELOC_NUMBER (R_M68HC12_LO8XG, 19) 50*fae548d3Szrj 51*fae548d3Szrj /* GNU extension for linker relaxation. 52*fae548d3Szrj Mark beginning of a jump instruction (any form). */ 53*fae548d3Szrj RELOC_NUMBER (R_M68HC11_RL_JUMP, 20) 54*fae548d3Szrj 55*fae548d3Szrj /* Mark beginning of Gcc relaxation group instruction. */ 56*fae548d3Szrj RELOC_NUMBER (R_M68HC11_RL_GROUP, 21) 57*fae548d3Szrj END_RELOC_NUMBERS (R_M68HC11_max) 58*fae548d3Szrj 59*fae548d3Szrj /* Processor specific flags for the ELF header e_flags field. */ 60*fae548d3Szrj 61*fae548d3Szrj /* ABI identification. */ 62*fae548d3Szrj #define EF_M68HC11_ABI 0x00000000F 63*fae548d3Szrj 64*fae548d3Szrj /* Integers are 32-bit long. */ 65*fae548d3Szrj #define E_M68HC11_I32 0x000000001 66*fae548d3Szrj 67*fae548d3Szrj /* Doubles are 64-bit long. */ 68*fae548d3Szrj #define E_M68HC11_F64 0x000000002 69*fae548d3Szrj 70*fae548d3Szrj /* Uses 68HC12 memory banks. */ 71*fae548d3Szrj #define E_M68HC12_BANKS 0x000000004 72*fae548d3Szrj 73*fae548d3Szrj /* XGATE ram offsetting. */ 74*fae548d3Szrj #define E_M68HC11_XGATE_RAMOFFSET 0x000000100 75*fae548d3Szrj 76*fae548d3Szrj /* Suppress warnings */ 77*fae548d3Szrj #define E_M68HC11_NO_BANK_WARNING 0x000000200 78*fae548d3Szrj 79*fae548d3Szrj #define EF_M68HC11_MACH_MASK 0xF0 80*fae548d3Szrj #define EF_M68HC11_GENERIC 0x00 /* Generic 68HC12/backward compatibility. */ 81*fae548d3Szrj #define EF_M68HC12_MACH 0x10 /* 68HC12 microcontroller. */ 82*fae548d3Szrj #define EF_M68HCS12_MACH 0x20 /* 68HCS12 microcontroller. */ 83*fae548d3Szrj #define EF_M68HC11_MACH(mach) ((mach) & EF_M68HC11_MACH_MASK) 84*fae548d3Szrj 85*fae548d3Szrj /* True if we can merge machines. A generic HC12 can work on any proc 86*fae548d3Szrj but once we have specific code, merge is not possible. */ 87*fae548d3Szrj #define EF_M68HC11_CAN_MERGE_MACH(mach1, mach2) \ 88*fae548d3Szrj ((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ 89*fae548d3Szrj || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC) \ 90*fae548d3Szrj || (EF_M68HC11_MACH (mach2) == EF_M68HC11_GENERIC)) 91*fae548d3Szrj 92*fae548d3Szrj #define EF_M68HC11_MERGE_MACH(mach1, mach2) \ 93*fae548d3Szrj (((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ 94*fae548d3Szrj || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC)) ? \ 95*fae548d3Szrj EF_M68HC11_MACH (mach2) : EF_M68HC11_MACH (mach1)) 96*fae548d3Szrj 97*fae548d3Szrj 98*fae548d3Szrj /* Special values for the st_other field in the symbol table. These 99*fae548d3Szrj are used for 68HC12 to identify far functions (must be called with 100*fae548d3Szrj 'call' and returns with 'rtc'). */ 101*fae548d3Szrj #define STO_M68HC12_FAR 0x80 102*fae548d3Szrj 103*fae548d3Szrj /* Identify interrupt handlers. This is used by the debugger to 104*fae548d3Szrj correctly compute the stack frame. */ 105*fae548d3Szrj #define STO_M68HC12_INTERRUPT 0x40 106*fae548d3Szrj 107*fae548d3Szrj #endif 108