/*- * Copyright (C) 1995, 1996 Wolfgang Solfrank. * Copyright (C) 1995, 1996 TooLs GmbH. * All rights reserved. * * 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 TooLs GmbH. * 4. The name of TooLs GmbH may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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. * * $NetBSD: asm.h,v 1.6.18.1 2000/07/25 08:37:14 kleink Exp $ * $FreeBSD$ */ #ifndef _MACHINE_ASM_H_ #define _MACHINE_ASM_H_ #include #if defined(PIC) && !defined(__powerpc64__) #define PIC_PROLOGUE XXX #define PIC_EPILOGUE XXX #define PIC_PLT(x) x@plt #ifdef __STDC__ #define PIC_GOT(x) XXX #else /* not __STDC__ */ #define PIC_GOT(x) XXX #endif /* __STDC__ */ #else #define PIC_PROLOGUE #define PIC_EPILOGUE #define PIC_PLT(x) x #define PIC_GOT(x) x #endif #define CNAME(csym) csym #define ASMNAME(asmsym) asmsym #ifdef __powerpc64__ #define HIDENAME(asmsym) __CONCAT(_,asmsym) #else #define HIDENAME(asmsym) __CONCAT(.,asmsym) #endif #if !defined(_CALL_ELF) || _CALL_ELF == 1 #ifdef _KERNEL /* ELFv1 kernel uses global dot symbols */ #define DOT_LABEL(name) __CONCAT(.,name) #define TYPE_ENTRY(name) .size name,24; \ .type DOT_LABEL(name),@function; \ .globl DOT_LABEL(name); #define END_SIZE(name) .size DOT_LABEL(name),.-DOT_LABEL(name); #else /* !_KERNEL */ /* ELFv1 user code uses local function entry points */ #define DOT_LABEL(name) __CONCAT(.L.,name) #define TYPE_ENTRY(name) .type name,@function; #define END_SIZE(name) .size name,.-DOT_LABEL(name); #endif /* _KERNEL */ #else /* ELFv2 doesn't have any of this complication */ #define DOT_LABEL(name) name #define TYPE_ENTRY(name) .type name,@function; #define END_SIZE(name) .size name,.-DOT_LABEL(name); #endif #define _GLOBAL(name) \ .data; \ .p2align 2; \ .globl name; \ name: #ifdef __powerpc64__ #define TOC_REF(name) __CONCAT(.L,name) #define TOC_ENTRY(name) \ .section ".toc","aw"; \ TOC_REF(name): \ .tc name[TC],name #endif #ifdef __powerpc64__ #if !defined(_CALL_ELF) || _CALL_ELF == 1 #define _ENTRY(name) \ .section ".text"; \ .p2align 2; \ .globl name; \ .section ".opd","aw"; \ .p2align 3; \ name: \ .quad DOT_LABEL(name),.TOC.@tocbase,0; \ .previous; \ .p2align 4; \ TYPE_ENTRY(name) \ DOT_LABEL(name): #else #define _ENTRY(name) \ .text; \ .p2align 4; \ .globl name; \ .type name,@function; \ name: \ addis %r2, %r12, (.TOC.-name)@ha; \ addi %r2, %r2, (.TOC.-name)@l; \ .localentry name, .-name; #endif #define _END(name) \ .long 0; \ .byte 0,0,0,0,0,0,0,0; \ END_SIZE(name) #else /* !__powerpc64__ */ #define _ENTRY(name) \ .text; \ .p2align 4; \ .globl name; \ .type name,@function; \ name: #define _END(name) #endif /* __powerpc64__ */ #if defined(PROF) || (defined(_KERNEL) && defined(GPROF)) # ifdef __powerpc64__ # define _PROF_PROLOGUE mflr 0; \ std 3,48(1); \ std 4,56(1); \ std 5,64(1); \ std 0,16(1); \ stdu 1,-112(1); \ bl _mcount; \ nop; \ ld 0,112+16(1); \ ld 3,112+48(1); \ ld 4,112+56(1); \ ld 5,112+64(1); \ mtlr 0; \ addi 1,1,112 # else # define _PROF_PROLOGUE mflr 0; stw 0,4(1); bl _mcount # endif #else # define _PROF_PROLOGUE #endif #define ASENTRY(y) _ENTRY(ASMNAME(y)); _PROF_PROLOGUE #define END(y) _END(CNAME(y)) #define ENTRY(y) _ENTRY(CNAME(y)); _PROF_PROLOGUE #define GLOBAL(y) _GLOBAL(CNAME(y)) #define ASENTRY_NOPROF(y) _ENTRY(ASMNAME(y)) #define ENTRY_NOPROF(y) _ENTRY(CNAME(y)) #define ASMSTR .asciz #define RCSID(x) .text; .asciz x #undef __FBSDID #if !defined(lint) && !defined(STRIP_FBSDID) #define __FBSDID(s) .ident s #else #define __FBSDID(s) /* nothing */ #endif /* not lint and not STRIP_FBSDID */ #define WEAK_REFERENCE(sym, alias) \ .weak alias; \ .equ alias,sym #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__ */ #endif /* !_MACHINE_ASM_H_ */