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Diffstat (limited to 'sysdeps/mips/sys/regdef.h')
-rw-r--r-- | sysdeps/mips/sys/regdef.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/mips/sys/regdef.h b/sysdeps/mips/sys/regdef.h new file mode 100644 index 0000000000..8fb898a2d0 --- /dev/null +++ b/sysdeps/mips/sys/regdef.h @@ -0,0 +1,82 @@ +/* Copyright (C) 1997, 1998, 2002, 2003, 2004 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 != _ABIO32 +#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 == _ABIO32 */ +#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 == _ABIO32 */ +#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 */ |