| /* 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 |
| |
| /* |
| * 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 */ |
