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asm.h revision 1.8.18.1 
      1 /*	$NetBSD: asm.h,v 1.8.18.1 2004/07/23 14:03:04 tron Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5  * Copyright (C) 1995, 1996 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _PPC_ASM_H_
     35 #define _PPC_ASM_H_
     36 
     37 #ifdef PIC
     38 #define PIC_PROLOGUE	XXX
     39 #define PIC_EPILOGUE	XXX
     40 #define PIC_PLT(x)	x@plt
     41 #ifdef	__STDC__
     42 #define PIC_GOT(x)	XXX
     43 #define PIC_GOTOFF(x)	XXX
     44 #else	/* not __STDC__ */
     45 #define PIC_GOT(x)	XXX
     46 #define PIC_GOTOFF(x)	XXX
     47 #endif	/* __STDC__ */
     48 #else
     49 #define PIC_PROLOGUE
     50 #define PIC_EPILOGUE
     51 #define PIC_PLT(x)	x
     52 #define PIC_GOT(x)	x
     53 #define PIC_GOTOFF(x)	x
     54 #endif
     55 
     56 #define	_C_LABEL(x)	x
     57 #define	_ASM_LABEL(x)	x
     58 
     59 #define	_GLOBAL(x) \
     60 	.data; .align 2; .globl x; x:
     61 
     62 #define _ENTRY(x) \
     63 	.text; .align 2; .globl x; .type x,@function; x:
     64 
     65 #ifdef GPROF
     66 # define _PROF_PROLOGUE	mflr 0; stw 0,4(1); bl _mcount
     67 #else
     68 # define _PROF_PROLOGUE
     69 #endif
     70 
     71 #define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
     72 #define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
     73 #define	GLOBAL(y)	_GLOBAL(_C_LABEL(y))
     74 
     75 #define	ASMSTR		.asciz
     76 
     77 #define RCSID(x)	.text; .asciz x
     78 
     79 #ifdef __ELF__
     80 #define	WEAK_ALIAS(alias,sym)						\
     81 	.weak alias;							\
     82 	alias = sym
     83 #endif
     84 
     85 #ifdef __STDC__
     86 #define	WARN_REFERENCES(_sym,_msg)				\
     87 	.section .gnu.warning. ## _sym ; .ascii _msg ; .text
     88 #else
     89 #define	WARN_REFERENCES(_sym,_msg)				\
     90 	.section .gnu.warning./**/_sym ; .ascii _msg ; .text
     91 #endif /* __STDC__ */
     92 
     93 /* Condition Register Bit Fields */
     94 
     95 #if defined(_KERNEL) || defined(_STANDALONE)
     96 #define cr0     0
     97 #define cr1     1
     98 #define cr2     2
     99 #define cr3     3
    100 #define cr4     4
    101 #define cr5     5
    102 #define cr6     6
    103 #define cr7     7
    104 #endif
    105 
    106 /* General Purpose Registers (GPRs) */
    107 
    108 #if defined(_KERNEL) || defined(_STANDALONE)
    109 #define r0      0
    110 #define r1      1
    111 #define r2      2
    112 #define r3      3
    113 #define r4      4
    114 #define r5      5
    115 #define r6      6
    116 #define r7      7
    117 #define r8      8
    118 #define r9      9
    119 #define r10     10
    120 #define r11     11
    121 #define r12     12
    122 #define r13     13
    123 #define r14     14
    124 #define r15     15
    125 #define r16     16
    126 #define r17     17
    127 #define r18     18
    128 #define r19     19
    129 #define r20     20
    130 #define r21     21
    131 #define r22     22
    132 #define r23     23
    133 #define r24     24
    134 #define r25     25
    135 #define r26     26
    136 #define r27     27
    137 #define r28     28
    138 #define r29     29
    139 #define r30     30
    140 #define r31     31
    141 #endif
    142 
    143 /* Floating Point Registers (FPRs) */
    144 
    145 #if defined(_KERNEL) || defined(_STANDALONE)
    146 #define fr0     0
    147 #define fr1     1
    148 #define fr2     2
    149 #define fr3     3
    150 #define fr4     4
    151 #define fr5     5
    152 #define fr6     6
    153 #define fr7     7
    154 #define fr8     8
    155 #define fr9     9
    156 #define fr10    10
    157 #define fr11    11
    158 #define fr12    12
    159 #define fr13    13
    160 #define fr14    14
    161 #define fr15    15
    162 #define fr16    16
    163 #define fr17    17
    164 #define fr18    18
    165 #define fr19    19
    166 #define fr20    20
    167 #define fr21    21
    168 #define fr22    22
    169 #define fr23    23
    170 #define fr24    24
    171 #define fr25    25
    172 #define fr26    26
    173 #define fr27    27
    174 #define fr28    28
    175 #define fr29    29
    176 #define fr30    30
    177 #define fr31    31
    178 #endif
    179 
    180 #endif /* !_PPC_ASM_H_ */
    181