2017-12-09 04:57:25 +08:00
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/* Definitions to target GDB to OpenRISC 1000 32-bit targets.
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2019-01-01 14:01:51 +08:00
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Copyright (C) 2008-2019 Free Software Foundation, Inc.
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2017-12-09 04:57:25 +08:00
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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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2019-01-28 03:51:36 +08:00
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#ifndef OR1K_TDEP_H
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#define OR1K_TDEP_H
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2017-12-09 04:57:25 +08:00
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#ifndef TARGET_OR1K
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#define TARGET_OR1K
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#endif
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Do not accidentally include in-tree readline headers
PR build/17077 points out that when --with-system-readline is given,
gdb will still pick up the in-tree readline headers. Normally this is
not a big problem, because readline is very stable and so the ABI does
not change much; but it is clearly a bug to do this, and could bite at
some point.
The basic problem is that OPCODES_CFLAGS uses -I$(OPCODES_SRC)/.. so
that #include "opcodes/..." works. However, this also makes it so the
This patch fixes the problem in a mildly hacky way: remove the
offending -I option, and change gdb to use #include "../opcodes/..."
instead. This continues to make it clear where the header comes from,
without allowing incorrect behavior.
Tested by rebuilding and then looking at the *.Po files.
gdb/ChangeLog
2018-10-06 Tom Tromey <tom@tromey.com>
PR build/17077:
* Makefile.in (OPCODES_CFLAGS): Remove "-I$(OPCODES_SRC)/..".
* arc-tdep.c, frv-tdep.c, lm32-tdep.c, mep-tdep.c,
microblaze-tdep.c, or1k-tdep.h: Use ../opcodes, not opcodes, in
#include.
2018-09-26 20:54:17 +08:00
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#include "../opcodes/or1k-desc.h"
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#include "../opcodes/or1k-opc.h"
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2017-12-09 04:57:25 +08:00
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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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2019-01-28 03:51:36 +08:00
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#endif /* OR1K_TDEP_H */
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