sys/arch/hppa/include/asm.h

   1 /*      $NetBSD: asm.h,v 1.9 2007/12/02 15:55:09 skrll Exp $    */
   2
   3 /*      $OpenBSD: asm.h,v 1.12 2001/03/29 02:15:57 mickey Exp $ */
   4
   5 /*
   6  * Copyright (c) 1990,1991,1994 The University of Utah and
   7  * the Computer Systems Laboratory (CSL).  All rights reserved.
   8  *
   9  * Permission to use, copy, modify and distribute this software is hereby
  10  * granted provided that (1) source code retains these copyright, permission,
  11  * and disclaimer notices, and (2) redistributions including binaries
  12  * reproduce the notices in supporting documentation, and (3) all advertising
  13  * materials mentioning features or use of this software display the following
  14  * acknowledgement: ``This product includes software developed by the
  15  * Computer Systems Laboratory at the University of Utah.''
  16  *
  17  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
  18  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
  19  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  20  *
  21  * CSL requests users of this software to return to csl-dist@cs.utah.edu any
  22  * improvements that they make and grant CSL redistribution rights.
  23  *
  24  *      Utah $Hdr: asm.h 1.8 94/12/14$
  25  */
  26
  27 #ifndef _HPPA_ASM_H_
  28 #define _HPPA_ASM_H_
  29
  30 #include <machine/frame.h>
  31 /*
  32  *      hppa assembler definitions
  33  */
  34
  35 #ifdef __STDC__
  36 #define __CONCAT(a,b)   a ## b
  37 #else
  38 #define __CONCAT(a,b)   a/**/b
  39 #endif
  40
  41 #define _C_LABEL(x)     x
  42
  43 #define _ASM_LS_CHAR    !
  44
  45 #define LEAF_ENTRY_NOPROFILE(x)                         !\
  46          ! .text ! .align 4                             !\
  47         .export x, entry ! .label x ! .proc             !\
  48         .callinfo frame=0, no_calls, save_rp            !\
  49         .entry
  50
  51 #define ENTRY_NOPROFILE(x,n)                            !\
  52          ! .text ! .align 4                             !\
  53         .export x, entry ! .label x ! .proc             !\
  54         .callinfo frame=n, calls, save_rp, save_sp      !\
  55         .entry
  56
  57 #ifdef GPROF
  58
  59 #define _PROF_PROLOGUE                          !\
  60 1:                                              !\
  61         stw     %rp, HPPA_FRAME_CRP(%sp)        !\
  62         stw     %arg0, HPPA_FRAME_ARG(0)(%sp)   !\
  63         stw     %arg1, HPPA_FRAME_ARG(1)(%sp)   !\
  64         stw     %arg2, HPPA_FRAME_ARG(2)(%sp)   !\
  65         stw     %arg3, HPPA_FRAME_ARG(3)(%sp)   !\
  66         ldo     HPPA_FRAME_SIZE(%sp), %sp       !\
  67         copy    %rp, %arg0                      !\
  68         bl      2f, %arg1                       !\
  69         depi    0, 31, 2, %arg1                 !\
  70 2:                                              !\
  71         bl      _mcount, %rp                    !\
  72          ldo    1b - 2b(%arg1), %arg1           !\
  73         ldo     -HPPA_FRAME_SIZE(%sp), %sp      !\
  74         ldw     HPPA_FRAME_ARG(3)(%sp), %arg3   !\
  75         ldw     HPPA_FRAME_ARG(2)(%sp), %arg2   !\
  76         ldw     HPPA_FRAME_ARG(1)(%sp), %arg1   !\
  77         ldw     HPPA_FRAME_ARG(0)(%sp), %arg0   !\
  78         ldw     HPPA_FRAME_CRP(%sp), %rp        !\
  79
  80 #define LEAF_ENTRY(x)                           !\
  81         ENTRY_NOPROFILE(x,HPPA_FRAME_SIZE)      !\
  82         _PROF_PROLOGUE
  83
  84 #else /* GPROF */
  85
  86 #define _PROF_PROLOGUE
  87
  88 #define LEAF_ENTRY(x)                           !\
  89         LEAF_ENTRY_NOPROFILE(x)
  90
  91 #endif /* GPROF */
  92
  93 #define ENTRY(x,n)                              !\
  94         ENTRY_NOPROFILE(x,n)                    !\
  95         _PROF_PROLOGUE
  96
  97 #define ALTENTRY(x) ! .export x, entry ! .label x
  98 #define EXIT(x) ! .exit ! .procend ! .size x, .-x
  99
 100 #define RCSID(x)        .text                           !\
 101                         .asciz x                        !\
 102                         .align  4
 103
 104 #define WEAK_ALIAS(alias,sym)                           \
 105         .weak alias !                                   \
 106         alias = sym
 107
 108 /*
 109  * STRONG_ALIAS: create a strong alias.
 110  */
 111 #define STRONG_ALIAS(alias,sym)                         \
 112         .globl alias !                                  \
 113         alias = sym
 114
 115 #define CALL(func,tmp)                                  !\
 116         ldil    L%func, tmp                             !\
 117         ldo     R%func(tmp), tmp                        !\
 118         .call                                           !\
 119         blr     %r0, %rp                                !\
 120         bv,n    %r0(tmp)                                !\
 121         nop
 122
 123 #ifdef PIC
 124 #define PIC_CALL(func)                                  !\
 125         addil   LT%func, %r19                           !\
 126         ldw     RT%func(%r1), %r1                       !\
 127         .call                                           !\
 128         blr     %r0, %rp                                !\
 129         bv,n    %r0(%r1)                                !\
 130         nop
 131 #else
 132 #define PIC_CALL(func)                                  !\
 133         CALL(func,%r1)
 134 #endif
 135
 136 #ifdef __STDC__
 137 #define WARN_REFERENCES(sym,msg)                                        \
 138         .stabs msg ## ,30,0,0,0 ;                                       \
 139         .stabs __STRING(sym) ## ,1,0,0,0
 140 #else
 141 #define WARN_REFERENCES(sym,msg)                                        \
 142         .stabs msg,30,0,0,0 ;                                           \
 143         .stabs __STRING(sym),1,0,0,0
 144 #endif
 145
 146 #define BSS(n,s)        ! .data ! .label n ! .comm s
 147 #define SZREG   4
 148
 149 #endif /* _HPPA_ASM_H_ */