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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ralf Baechle <ralf@gnu.org>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_REGDEF_H
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#define _SYS_REGDEF_H
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#include <sgidefs.h>
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/*
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* Symbolic register names for 32 bit ABI
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*/
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#define zero $0 /* wired zero */
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#define AT $1 /* assembler temp - uppercase because of ".set at" */
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#define v0 $2 /* return value */
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#define v1 $3
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#define a0 $4 /* argument registers */
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#define a1 $5
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#define a2 $6
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#define a3 $7
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#if _MIPS_SIM != _ABIO32
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#define a4 $8
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#define a5 $9
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#define a6 $10
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#define a7 $11
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#define t0 $12
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#define t1 $13
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#define t2 $14
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#define t3 $15
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#define ta0 a4
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#define ta1 a5
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#define ta2 a6
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#define ta3 a7
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#else /* if _MIPS_SIM == _ABIO32 */
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#define t0 $8 /* caller saved */
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#define t1 $9
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#define t2 $10
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#define t3 $11
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#define t4 $12
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#define t5 $13
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#define t6 $14
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#define t7 $15
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#define ta0 t4
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#define ta1 t5
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#define ta2 t6
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#define ta3 t7
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#endif /* _MIPS_SIM == _ABIO32 */
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#define s0 $16 /* callee saved */
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#define s1 $17
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#define s2 $18
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#define s3 $19
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#define s4 $20
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#define s5 $21
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#define s6 $22
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#define s7 $23
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#define t8 $24 /* caller saved */
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#define t9 $25
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#define jp $25 /* PIC jump register */
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#define k0 $26 /* kernel scratch */
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#define k1 $27
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#define gp $28 /* global pointer */
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#define sp $29 /* stack pointer */
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#define fp $30 /* frame pointer */
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#define s8 $30 /* same like fp! */
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#define ra $31 /* return address */
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#endif /* _SYS_REGDEF_H */
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