/* Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ralf Baechle . 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, see . */ #ifndef _SYS_REGDEF_H #define _SYS_REGDEF_H #include /* * 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 */