derek.holloway
7502bf64a4
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64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/* Definitions to target GDB to OpenRISC 1000 32-bit targets.
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Copyright (C) 2008-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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With this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_OR1K_TDEP_H
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#define GDB_OR1K_TDEP_H
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#ifndef TARGET_OR1K
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#define TARGET_OR1K
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#endif
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/* Make cgen names unique to prevent ODR conflicts with other targets. */
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#define GDB_CGEN_REMAP_PREFIX or1k
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#include "cgen-remap.h"
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#include "opcodes/or1k-desc.h"
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#include "opcodes/or1k-opc.h"
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/* General Purpose Registers */
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#define OR1K_ZERO_REGNUM 0
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#define OR1K_SP_REGNUM 1
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#define OR1K_FP_REGNUM 2
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#define OR1K_FIRST_ARG_REGNUM 3
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#define OR1K_LAST_ARG_REGNUM 8
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#define OR1K_LR_REGNUM 9
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#define OR1K_FIRST_SAVED_REGNUM 10
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#define OR1K_RV_REGNUM 11
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#define OR1K_PPC_REGNUM (OR1K_MAX_GPR_REGS + 0)
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#define OR1K_NPC_REGNUM (OR1K_MAX_GPR_REGS + 1)
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#define OR1K_SR_REGNUM (OR1K_MAX_GPR_REGS + 2)
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/* Properties of the architecture. GDB mapping of registers is all the GPRs
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and SPRs followed by the PPC, NPC and SR at the end. Red zone is the area
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past the end of the stack reserved for exception handlers etc. */
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#define OR1K_MAX_GPR_REGS 32
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#define OR1K_NUM_PSEUDO_REGS 0
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#define OR1K_NUM_REGS (OR1K_MAX_GPR_REGS + 3)
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#define OR1K_STACK_ALIGN 4
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#define OR1K_INSTLEN 4
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#define OR1K_INSTBITLEN (OR1K_INSTLEN * 8)
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#define OR1K_NUM_TAP_RECORDS 8
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#define OR1K_FRAME_RED_ZONE_SIZE 2536
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/* Single step based on where the current instruction will take us. */
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extern std::vector<CORE_ADDR> or1k_software_single_step
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(struct regcache *regcache);
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#endif /* GDB_OR1K_TDEP_H */
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