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Diffstat (limited to 'klibc/include/arch/sparc/machine/asm.h')
| -rw-r--r-- | klibc/include/arch/sparc/machine/asm.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/klibc/include/arch/sparc/machine/asm.h b/klibc/include/arch/sparc/machine/asm.h deleted file mode 100644 index b622bd8cf1..0000000000 --- a/klibc/include/arch/sparc/machine/asm.h +++ /dev/null @@ -1,192 +0,0 @@ -/* $NetBSD: asm.h,v 1.14 2002/07/20 08:37:30 mrg Exp $ */ - -/* - * Copyright (c) 1994 Allen Briggs - * All rights reserved. - * - * Gleaned from locore.s and sun3 asm.h which had the following copyrights: - * locore.s: - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1982, 1990 The Regents of the University of California. - * sun3/include/asm.h: - * Copyright (c) 1993 Adam Glass - * Copyright (c) 1990 The Regents of the University of California. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef _ASM_H_ -#define _ASM_H_ - -/* Pull in CCFSZ, CC64FSZ, and BIAS from frame.h */ -#ifndef _LOCORE -#define _LOCORE -#endif -#include <machine/frame.h> - -#ifdef __ELF__ -#define _C_LABEL(name) name -#else -#ifdef __STDC__ -#define _C_LABEL(name) _ ## name -#else -#define _C_LABEL(name) _/**/name -#endif -#endif -#define _ASM_LABEL(name) name - -#ifdef PIC -/* - * PIC_PROLOGUE() is akin to the compiler generated function prologue for - * PIC code. It leaves the address of the Global Offset Table in DEST, - * clobbering register TMP in the process. - * - * We can use two code sequences. We can read the %pc or use the call - * instruction that saves the pc in %o7. Call requires the branch unit and - * IEU1, and clobbers %o7 which needs to be restored. This instruction - * sequence takes about 4 cycles due to instruction interdependence. Reading - * the pc takes 4 cycles to dispatch and is always dispatched alone. That - * sequence takes 7 cycles. - */ -#ifdef __arch64__ -#define PIC_PROLOGUE(dest,tmp) \ - mov %o7, tmp; \ - sethi %hi(_GLOBAL_OFFSET_TABLE_-4),dest; \ - call 0f; \ - or dest,%lo(_GLOBAL_OFFSET_TABLE_+4),dest; \ -0: \ - add dest,%o7,dest; \ - mov tmp, %o7 -#else -#define PIC_PROLOGUE(dest,tmp) \ - mov %o7,tmp; 3: call 4f; nop; 4: \ - sethi %hi(_C_LABEL(_GLOBAL_OFFSET_TABLE_)-(3b-.)),dest; \ - or dest,%lo(_C_LABEL(_GLOBAL_OFFSET_TABLE_)-(3b-.)),dest; \ - add dest,%o7,dest; mov tmp,%o7 -#endif - -/* - * PICCY_SET() does the equivalent of a `set var, %dest' instruction in - * a PIC-like way, but without involving the Global Offset Table. This - * only works for VARs defined in the same file *and* in the text segment. - */ -#ifdef __arch64__ -#define PICCY_SET(var,dest,tmp) \ - 3: rd %pc, tmp; add tmp,(var-3b),dest -#else -#define PICCY_SET(var,dest,tmp) \ - mov %o7,tmp; 3: call 4f; nop; 4: \ - add %o7,(var-3b),dest; mov tmp,%o7 -#endif -#else -#define PIC_PROLOGUE(dest,tmp) -#define PICCY_OFFSET(var,dest,tmp) -#endif - -#define FTYPE(x) .type x,@function -#define OTYPE(x) .type x,@object - -#define _ENTRY(name) \ - .align 4; .globl name; .proc 1; FTYPE(name); name: - -#ifdef GPROF -/* see _MCOUNT_ENTRY in profile.h */ -#ifdef __ELF__ -#ifdef __arch64__ -#define _PROF_PROLOGUE \ - .data; .align 8; 1: .uaword 0; .uaword 0; \ - .text; save %sp,-CC64FSZ,%sp; sethi %hi(1b),%o0; call _mcount; \ - or %o0,%lo(1b),%o0; restore -#else -#define _PROF_PROLOGUE \ - .data; .align 4; 1: .long 0; \ - .text; save %sp,-96,%sp; sethi %hi(1b),%o0; call _mcount; \ - or %o0,%lo(1b),%o0; restore -#endif -#else -#ifdef __arch64__ -#define _PROF_PROLOGUE \ - .data; .align 8; 1: .uaword 0; .uaword 0; \ - .text; save %sp,-CC64FSZ,%sp; sethi %hi(1b),%o0; call mcount; \ - or %o0,%lo(1b),%o0; restore -#else -#define _PROF_PROLOGUE \ - .data; .align 4; 1: .long 0; \ - .text; save %sp,-96,%sp; sethi %hi(1b),%o0; call mcount; \ - or %o0,%lo(1b),%o0; restore -#endif -#endif -#else -#define _PROF_PROLOGUE -#endif - -#define ENTRY(name) _ENTRY(_C_LABEL(name)); _PROF_PROLOGUE -#define ENTRY_NOPROFILE(name) _ENTRY(_C_LABEL(name)) -#define ASENTRY(name) _ENTRY(_ASM_LABEL(name)); _PROF_PROLOGUE -#define FUNC(name) ASENTRY(name) -#define RODATA(name) .align 4; .text; .globl _C_LABEL(name); \ - OTYPE(_C_LABEL(name)); _C_LABEL(name): - - -#define ASMSTR .asciz - -#define RCSID(name) .asciz name - -#ifdef __ELF__ -#define WEAK_ALIAS(alias,sym) \ - .weak alias; \ - alias = sym -#endif - -/* - * WARN_REFERENCES: create a warning if the specified symbol is referenced. - */ -#ifdef __ELF__ -#ifdef __STDC__ -#define WARN_REFERENCES(_sym,_msg) \ - .section .gnu.warning. ## _sym ; .ascii _msg ; .text -#else -#define WARN_REFERENCES(_sym,_msg) \ - .section .gnu.warning./**/_sym ; .ascii _msg ; .text -#endif /* __STDC__ */ -#else -#ifdef __STDC__ -#define __STRING(x) #x -#define WARN_REFERENCES(sym,msg) \ - .stabs msg ## ,30,0,0,0 ; \ - .stabs __STRING(_ ## sym) ## ,1,0,0,0 -#else -#define __STRING(x) "x" -#define WARN_REFERENCES(sym,msg) \ - .stabs msg,30,0,0,0 ; \ - .stabs __STRING(_/**/sym),1,0,0,0 -#endif /* __STDC__ */ -#endif /* __ELF__ */ - -#endif /* _ASM_H_ */ |