Adding upstream version 2.0.13.upstream/2.0.13upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 202 insertions, 0 deletions

diff --git a/usr/include/arch/sparc/machine/asm.h b/usr/include/arch/sparc/machine/asm.h
new file mode 100644
index 0000000..fd9ef1e
--- /dev/null
+++ b/usr/include/arch/sparc/machine/asm.h
@@ -0,0 +1,202 @@
+/*	$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
+#define SET(var,base,dest) \
+	sethi %gdop_hix22(var), dest; \
+	xor dest, %gdop_lox10(var), dest; \
+	ldx [base + dest], dest, %gdop(var)
+#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
+#define SET(var,base,dest) \
+	sethi %gdop_hix22(var), dest; \
+	xor dest, %gdop_lox10(var), dest; \
+	ld [base + dest], dest, %gdop(var)
+#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 SET(var,base,dest) \
+	sethi %hi(var), dest; \
+	or dest, %lo(var), dest
+#define PICCY_SET(var,dest,tmp) SET(var,tmp,dest)
+#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_ */