| /* Definitions to target GDB to OpenRISC 1000 32-bit targets. |
| Copyright (C) 2008-2021 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef OR1K_TDEP_H |
| #define OR1K_TDEP_H |
| |
| #ifndef TARGET_OR1K |
| #define TARGET_OR1K |
| #endif |
| |
| #include "opcodes/or1k-desc.h" |
| #include "opcodes/or1k-opc.h" |
| |
| /* General Purpose Registers */ |
| #define OR1K_ZERO_REGNUM 0 |
| #define OR1K_SP_REGNUM 1 |
| #define OR1K_FP_REGNUM 2 |
| #define OR1K_FIRST_ARG_REGNUM 3 |
| #define OR1K_LAST_ARG_REGNUM 8 |
| #define OR1K_LR_REGNUM 9 |
| #define OR1K_FIRST_SAVED_REGNUM 10 |
| #define OR1K_RV_REGNUM 11 |
| #define OR1K_PPC_REGNUM (OR1K_MAX_GPR_REGS + 0) |
| #define OR1K_NPC_REGNUM (OR1K_MAX_GPR_REGS + 1) |
| #define OR1K_SR_REGNUM (OR1K_MAX_GPR_REGS + 2) |
| |
| /* Properties of the architecture. GDB mapping of registers is all the GPRs |
| and SPRs followed by the PPC, NPC and SR at the end. Red zone is the area |
| past the end of the stack reserved for exception handlers etc. */ |
| |
| #define OR1K_MAX_GPR_REGS 32 |
| #define OR1K_NUM_PSEUDO_REGS 0 |
| #define OR1K_NUM_REGS (OR1K_MAX_GPR_REGS + 3) |
| #define OR1K_STACK_ALIGN 4 |
| #define OR1K_INSTLEN 4 |
| #define OR1K_INSTBITLEN (OR1K_INSTLEN * 8) |
| #define OR1K_NUM_TAP_RECORDS 8 |
| #define OR1K_FRAME_RED_ZONE_SIZE 2536 |
| |
| #endif /* OR1K_TDEP_H */ |