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- /* Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ralf Baechle <ralf@gnu.org>.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _SYS_REGDEF_H
- #define _SYS_REGDEF_H
- #include <sgidefs.h>
- /*
- * Symbolic register names for 32 bit ABI
- */
- #define zero $0 /* wired zero */
- #define AT $1 /* assembler temp - uppercase because of ".set at" */
- #define v0 $2 /* return value */
- #define v1 $3
- #define a0 $4 /* argument registers */
- #define a1 $5
- #define a2 $6
- #define a3 $7
- #if _MIPS_SIM != _MIPS_SIM_ABI32
- #define a4 $8
- #define a5 $9
- #define a6 $10
- #define a7 $11
- #define t0 $12
- #define t1 $13
- #define t2 $14
- #define t3 $15
- #define ta0 a4
- #define ta1 a5
- #define ta2 a6
- #define ta3 a7
- #else /* if _MIPS_SIM == _MIPS_SIM_ABI32 */
- #define t0 $8 /* caller saved */
- #define t1 $9
- #define t2 $10
- #define t3 $11
- #define t4 $12
- #define t5 $13
- #define t6 $14
- #define t7 $15
- #define ta0 t4
- #define ta1 t5
- #define ta2 t6
- #define ta3 t7
- #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
- #define s0 $16 /* callee saved */
- #define s1 $17
- #define s2 $18
- #define s3 $19
- #define s4 $20
- #define s5 $21
- #define s6 $22
- #define s7 $23
- #define t8 $24 /* caller saved */
- #define t9 $25
- #define jp $25 /* PIC jump register */
- #define k0 $26 /* kernel scratch */
- #define k1 $27
- #define gp $28 /* global pointer */
- #define sp $29 /* stack pointer */
- #define fp $30 /* frame pointer */
- #define s8 $30 /* same like fp! */
- #define ra $31 /* return address */
- #endif /* _SYS_REGDEF_H */
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