| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ralf Baechle <ralf@gnu.org>. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _SYS_REGDEF_H |
| 20 | #define _SYS_REGDEF_H |
| 21 | |
| 22 | #include <sgidefs.h> |
| 23 | |
| 24 | /* |
| 25 | * Symbolic register names for 32 bit ABI |
| 26 | */ |
| 27 | #define zero $0 /* wired zero */ |
| 28 | #define AT $1 /* assembler temp - uppercase because of ".set at" */ |
| 29 | #define v0 $2 /* return value */ |
| 30 | #define v1 $3 |
| 31 | #define a0 $4 /* argument registers */ |
| 32 | #define a1 $5 |
| 33 | #define a2 $6 |
| 34 | #define a3 $7 |
| 35 | #if _MIPS_SIM != _ABIO32 |
| 36 | #define a4 $8 |
| 37 | #define a5 $9 |
| 38 | #define a6 $10 |
| 39 | #define a7 $11 |
| 40 | #define t0 $12 |
| 41 | #define t1 $13 |
| 42 | #define t2 $14 |
| 43 | #define t3 $15 |
| 44 | #define ta0 a4 |
| 45 | #define ta1 a5 |
| 46 | #define ta2 a6 |
| 47 | #define ta3 a7 |
| 48 | #else /* if _MIPS_SIM == _ABIO32 */ |
| 49 | #define t0 $8 /* caller saved */ |
| 50 | #define t1 $9 |
| 51 | #define t2 $10 |
| 52 | #define t3 $11 |
| 53 | #define t4 $12 |
| 54 | #define t5 $13 |
| 55 | #define t6 $14 |
| 56 | #define t7 $15 |
| 57 | #define ta0 t4 |
| 58 | #define ta1 t5 |
| 59 | #define ta2 t6 |
| 60 | #define ta3 t7 |
| 61 | #endif /* _MIPS_SIM == _ABIO32 */ |
| 62 | #define s0 $16 /* callee saved */ |
| 63 | #define s1 $17 |
| 64 | #define s2 $18 |
| 65 | #define s3 $19 |
| 66 | #define s4 $20 |
| 67 | #define s5 $21 |
| 68 | #define s6 $22 |
| 69 | #define s7 $23 |
| 70 | #define t8 $24 /* caller saved */ |
| 71 | #define t9 $25 |
| 72 | #define jp $25 /* PIC jump register */ |
| 73 | #define k0 $26 /* kernel scratch */ |
| 74 | #define k1 $27 |
| 75 | #define gp $28 /* global pointer */ |
| 76 | #define sp $29 /* stack pointer */ |
| 77 | #define fp $30 /* frame pointer */ |
| 78 | #define s8 $30 /* same like fp! */ |
| 79 | #define ra $31 /* return address */ |
| 80 | |
| 81 | #endif /* _SYS_REGDEF_H */ |