1 files changed, 208 insertions, 0 deletions
diff --git a/StdLib/Include/Ia32/machine/asm.h b/StdLib/Include/Ia32/machine/asm.h
new file mode 100644
index 0000000000..3d8f11f16c
--- /dev/null
+++ b/StdLib/Include/Ia32/machine/asm.h
@@ -0,0 +1,208 @@
+/*	$NetBSD: asm.h,v 1.30 2006/01/20 22:02:40 christos Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. 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.
+ *
+ *	@(#)asm.h	5.5 (Berkeley) 5/7/91
+ */
+
+#ifndef _I386_ASM_H_
+#define _I386_ASM_H_
+
+#ifdef _KERNEL_OPT
+#include "opt_multiprocessor.h"
+#endif
+
+#ifdef PIC
+#define PIC_PROLOGUE	\
+	pushl	%ebx;	\
+	call	1f;	\
+1:			\
+	popl	%ebx;	\
+	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
+#define PIC_EPILOGUE	\
+	popl	%ebx
+#define PIC_PLT(x)	x@PLT
+#define PIC_GOT(x)	x@GOT(%ebx)
+#define PIC_GOTOFF(x)	x@GOTOFF(%ebx)
+#else
+#define PIC_PROLOGUE
+#define PIC_EPILOGUE
+#define PIC_PLT(x)	x
+#define PIC_GOT(x)	x
+#define PIC_GOTOFF(x)	x
+#endif
+
+#ifdef __ELF__
+# define _C_LABEL(x)	x
+#else
+# ifdef __STDC__
+#  define _C_LABEL(x)	_ ## x
+# else
+#  define _C_LABEL(x)	_/**/x
+# endif
+#endif
+#define	_ASM_LABEL(x)	x
+
+#define CVAROFF(x, y)		_C_LABEL(x) + y
+
+#ifdef __STDC__
+# define __CONCAT(x,y)	x ## y
+# define __STRING(x)	#x
+#else
+# define __CONCAT(x,y)	x/**/y
+# define __STRING(x)	"x"
+#endif
+
+/* let kernels and others override entrypoint alignment */
+#if !defined(_ALIGN_TEXT) && !defined(_KERNEL)
+# ifdef __ELF__
+#  define _ALIGN_TEXT .align 4
+# else
+#  define _ALIGN_TEXT .align 2
+# endif
+#endif
+
+#define _ENTRY(x) \
+	.text; _ALIGN_TEXT; .globl x; .type x,@function; x:
+
+#ifdef _KERNEL
+
+#if defined(MULTIPROCESSOR)
+#define CPUVAR(off) %fs:__CONCAT(CPU_INFO_,off)
+#else
+#define CPUVAR(off) _C_LABEL(cpu_info_primary)+__CONCAT(CPU_INFO_,off)
+#endif /* MULTIPROCESSOR */
+
+/* XXX Can't use __CONCAT() here, as it would be evaluated incorrectly. */
+#ifdef __ELF__
+#ifdef __STDC__
+#define	IDTVEC(name) \
+	ALIGN_TEXT; .globl X ## name; .type X ## name,@function; X ## name:
+#else 
+#define	IDTVEC(name) \
+	ALIGN_TEXT; .globl X/**/name; .type X/**/name,@function; X/**/name:
+#endif /* __STDC__ */ 
+#else 
+#ifdef __STDC__
+#define	IDTVEC(name) \
+	ALIGN_TEXT; .globl _X ## name; .type _X ## name,@function; _X ## name: 
+#else
+#define	IDTVEC(name) \
+	ALIGN_TEXT; .globl _X/**/name; .type _X/**/name,@function; _X/**/name:
+#endif /* __STDC__ */
+#endif /* __ELF__ */
+
+#ifdef __ELF__
+#define ALIGN_DATA	.align	4
+#define ALIGN_TEXT	.align	4,0x90  /* 4-byte boundaries, NOP-filled */
+#define SUPERALIGN_TEXT	.align	16,0x90 /* 16-byte boundaries better for 486 */
+#else
+#define ALIGN_DATA	.align	2
+#define ALIGN_TEXT	.align	2,0x90  /* 4-byte boundaries, NOP-filled */
+#define SUPERALIGN_TEXT	.align	4,0x90  /* 16-byte boundaries better for 486 */
+#endif /* __ELF__ */
+
+#define _ALIGN_TEXT ALIGN_TEXT
+
+#ifdef GPROF
+#ifdef __ELF__
+#define	MCOUNT_ASM	call	_C_LABEL(__mcount)
+#else /* __ELF__ */
+#define	MCOUNT_ASM	call	_C_LABEL(mcount)
+#endif /* __ELF__ */
+#else /* GPROF */
+#define	MCOUNT_ASM	/* nothing */
+#endif /* GPROF */
+
+#endif /* _KERNEL */
+
+
+
+#ifdef GPROF
+# ifdef __ELF__
+#  define _PROF_PROLOGUE	\
+	pushl %ebp; movl %esp,%ebp; call PIC_PLT(__mcount); popl %ebp
+# else 
+#  define _PROF_PROLOGUE	\
+	pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp
+# endif
+#else
+# define _PROF_PROLOGUE
+#endif
+
+#define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
+#define	NENTRY(y)	_ENTRY(_C_LABEL(y))
+#define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
+
+#define	ASMSTR		.asciz
+
+#ifdef __ELF__
+#define RCSID(x)	.section ".ident"; .asciz x
+#else
+#define RCSID(x)	.text; .asciz x
+#endif
+
+#ifdef NO_KERNEL_RCSIDS
+#define	__KERNEL_RCSID(_n, _s)	/* nothing */
+#else
+#define	__KERNEL_RCSID(_n, _s)	RCSID(_s)
+#endif
+
+#ifdef __ELF__
+#define	WEAK_ALIAS(alias,sym)						\
+	.weak alias;							\
+	alias = sym
+#endif
+/*
+ * STRONG_ALIAS: create a strong alias.
+ */
+#define STRONG_ALIAS(alias,sym)						\
+	.globl alias;							\
+	alias = sym
+
+#ifdef __STDC__
+#define	WARN_REFERENCES(sym,msg)					\
+	.stabs msg ## ,30,0,0,0 ;					\
+	.stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
+#elif defined(__ELF__)
+#define	WARN_REFERENCES(sym,msg)					\
+	.stabs msg,30,0,0,0 ;						\
+	.stabs __STRING(sym),1,0,0,0
+#else
+#define	WARN_REFERENCES(sym,msg)					\
+	.stabs msg,30,0,0,0 ;						\
+	.stabs __STRING(_/**/sym),1,0,0,0
+#endif /* __STDC__ */
+
+
+
+#endif /* !_I386_ASM_H_ */