1 /* $NetBSD: asm.h,v 1.18 2022/06/01 06:18:04 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 _ENTRY(x) \ 46 ! .text ! .align 4 !\ 47 .export x, entry ! .label x ! .proc 48 49 #define LEAF_ENTRY_NOPROFILE(x) !\ 50 _ENTRY(x) !\ 51 .callinfo frame=0, no_calls, save_rp !\ 52 .entry 53 54 #define ENTRY_NOPROFILE(x,n) !\ 55 _ENTRY(x) !\ 56 .callinfo frame=n, calls, save_rp, save_sp !\ 57 .entry 58 59 #ifdef GPROF 60 61 #define _PROF_PROLOGUE !\ 62 1: !\ 63 stw %rp, HPPA_FRAME_CRP(%sp) !\ 64 stw %arg0, HPPA_FRAME_ARG(0)(%sp) !\ 65 stw %arg1, HPPA_FRAME_ARG(1)(%sp) !\ 66 stw %arg2, HPPA_FRAME_ARG(2)(%sp) !\ 67 stw %arg3, HPPA_FRAME_ARG(3)(%sp) !\ 68 ldo HPPA_FRAME_SIZE(%sp), %sp !\ 69 copy %rp, %arg0 !\ 70 bl 2f, %arg1 !\ 71 depi 0, 31, 2, %arg1 !\ 72 2: !\ 73 bl _mcount, %rp !\ 74 ldo 1b - 2b(%arg1), %arg1 !\ 75 ldo -HPPA_FRAME_SIZE(%sp), %sp !\ 76 ldw HPPA_FRAME_ARG(3)(%sp), %arg3 !\ 77 ldw HPPA_FRAME_ARG(2)(%sp), %arg2 !\ 78 ldw HPPA_FRAME_ARG(1)(%sp), %arg1 !\ 79 ldw HPPA_FRAME_ARG(0)(%sp), %arg0 !\ 80 ldw HPPA_FRAME_CRP(%sp), %rp !\ 81 82 #define LEAF_ENTRY(x) !\ 83 ENTRY_NOPROFILE(x,HPPA_FRAME_SIZE) !\ 84 _PROF_PROLOGUE 85 86 #else /* GPROF */ 87 88 #define _PROF_PROLOGUE 89 90 #define LEAF_ENTRY(x) !\ 91 LEAF_ENTRY_NOPROFILE(x) 92 93 #endif /* GPROF */ 94 95 #define ENTRY(x,n) !\ 96 ENTRY_NOPROFILE(x,n) !\ 97 _PROF_PROLOGUE 98 99 #define ALTENTRY(x) ! .export x, entry ! .label x 100 #define EXIT(x) ! .exit ! .procend ! .size x, .-x 101 102 #define RCSID(x) .pushsection ".ident","MS",@progbits,1; \ 103 .asciz x; \ 104 .popsection 105 106 #define WEAK_ALIAS(alias,sym) \ 107 .weak alias ! \ 108 alias = sym 109 110 /* 111 * STRONG_ALIAS: create a strong alias. 112 */ 113 #define STRONG_ALIAS(alias,sym) \ 114 .globl alias ! \ 115 alias = sym 116 117 #define CALL(func,tmp) !\ 118 ldil L%func, tmp !\ 119 ldo R%func(tmp), tmp !\ 120 .call !\ 121 blr %r0, %rp !\ 122 bv,n %r0(tmp) !\ 123 nop 124 125 #ifdef __PIC__ 126 #define PIC_CALL(func) !\ 127 addil LT%func, %r19 !\ 128 ldw RT%func(%r1), %r1 !\ 129 .call !\ 130 blr %r0, %rp !\ 131 bv,n %r0(%r1) !\ 132 nop 133 #else 134 #define PIC_CALL(func) !\ 135 CALL(func,%r1) 136 #endif 137 138 #ifdef __STDC__ 139 #define WARN_REFERENCES(sym,msg) \ 140 .pushsection .gnu.warning. ## sym; \ 141 .ascii msg; \ 142 .popsection 143 #else 144 #define WARN_REFERENCES(sym,msg) \ 145 .pushsection .gnu.warning./**/sym; \ 146 .ascii msg; \ 147 .popsection 148 #endif /* __STDC__ */ 149 150 #define BSS(n,s) .comm n, s 151 #define SZREG 4 152 153 #endif /* _HPPA_ASM_H_ */ 154