Initial Linux ZFS GIT Repo

zfs/lib/libsolcompat/include/sparc64/Makefile.in

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+subdir-m += sys

zfs/lib/libsolcompat/include/sparc64/sys/Makefile.in

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+DISTFILES = asm_linkage.h
+

zfs/lib/libsolcompat/include/sparc64/sys/asm_linkage.h

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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_ASM_LINKAGE_H
+#define	_SYS_ASM_LINKAGE_H
+
+
+
+#include <sys/stack.h>
+#include <sys/trap.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifdef _ASM	/* The remainder of this file is only for assembly files */
+
+/*
+ * C pointers are different sizes between V8 and V9.
+ * These constants can be used to compute offsets into pointer arrays.
+ */
+#ifdef __sparcv9
+#define	CPTRSHIFT	3
+#define	CLONGSHIFT	3
+#else
+#define	CPTRSHIFT	2
+#define	CLONGSHIFT	2
+#endif
+#define	CPTRSIZE	(1<<CPTRSHIFT)
+#define	CLONGSIZE	(1<<CLONGSHIFT)
+#define	CPTRMASK	(CPTRSIZE - 1)
+#define	CLONGMASK	(CLONGSIZE - 1)
+
+/*
+ * Symbolic section definitions.
+ */
+#define	RODATA	".rodata"
+
+/*
+ * profiling causes defintions of the MCOUNT and RTMCOUNT
+ * particular to the type
+ */
+#ifdef GPROF
+
+#define	MCOUNT_SIZE	(4*4)	/* 4 instructions */
+#define	MCOUNT(x) \
+	save	%sp, -SA(MINFRAME), %sp; \
+	call	_mcount; \
+	nop; \
+	restore;
+
+#endif /* GPROF */
+
+#ifdef PROF
+
+#if defined(__sparcv9)
+
+#define	MCOUNT_SIZE	(9*4)	/* 9 instructions */
+#define	MCOUNT(x) \
+	save	%sp, -SA(MINFRAME), %sp; \
+/* CSTYLED */ \
+	sethi	%hh(.L_/**/x/**/1), %o0; \
+/* CSTYLED */ \
+	sethi	%lm(.L_/**/x/**/1), %o1; \
+/* CSTYLED */ \
+	or	%o0, %hm(.L_/**/x/**/1), %o0; \
+/* CSTYLED */ \
+	or	%o1, %lo(.L_/**/x/**/1), %o1; \
+	sllx	%o0, 32, %o0; \
+	call	_mcount; \
+	or	%o0, %o1, %o0; \
+	restore; \
+/* CSTYLED */ \
+	.common .L_/**/x/**/1, 8, 8
+
+#else	/* __sparcv9 */
+
+#define	MCOUNT_SIZE	(5*4)	/* 5 instructions */
+#define	MCOUNT(x) \
+	save	%sp, -SA(MINFRAME), %sp; \
+/* CSTYLED */ \
+	sethi	%hi(.L_/**/x/**/1), %o0; \
+	call	_mcount; \
+/* CSTYLED */ \
+	or	%o0, %lo(.L_/**/x/**/1), %o0; \
+	restore; \
+/* CSTYLED */ \
+	.common .L_/**/x/**/1, 4, 4
+
+#endif	/* __sparcv9 */
+
+#endif /* PROF */
+
+/*
+ * if we are not profiling, MCOUNT should be defined to nothing
+ */
+#if !defined(PROF) && !defined(GPROF)
+#define	MCOUNT_SIZE	0	/* no instructions inserted */
+#define	MCOUNT(x)
+#endif /* !defined(PROF) && !defined(GPROF) */
+
+#define	RTMCOUNT(x)	MCOUNT(x)
+
+/*
+ * Macro to define weak symbol aliases. These are similar to the ANSI-C
+ *	#pragma weak name = _name
+ * except a compiler can determine type. The assembler must be told. Hence,
+ * the second parameter must be the type of the symbol (i.e.: function,...)
+ */
+#define	ANSI_PRAGMA_WEAK(sym, stype)	\
+	.weak	sym; \
+	.type sym, #stype; \
+/* CSTYLED */ \
+sym	= _/**/sym
+
+/*
+ * Like ANSI_PRAGMA_WEAK(), but for unrelated names, as in:
+ *	#pragma weak sym1 = sym2
+ */
+#define	ANSI_PRAGMA_WEAK2(sym1, sym2, stype)	\
+	.weak	sym1; \
+	.type sym1, #stype; \
+sym1	= sym2
+
+/*
+ * ENTRY provides the standard procedure entry code and an easy way to
+ * insert the calls to mcount for profiling. ENTRY_NP is identical, but
+ * never calls mcount.
+ */
+#define	ENTRY(x) \
+	.section	".text"; \
+	.align	4; \
+	.global	x; \
+	.type	x, #function; \
+x:	MCOUNT(x)
+
+#define	ENTRY_SIZE	MCOUNT_SIZE
+
+#define	ENTRY_NP(x) \
+	.section	".text"; \
+	.align	4; \
+	.global	x; \
+	.type	x, #function; \
+x:
+
+#define	RTENTRY(x) \
+	.section	".text"; \
+	.align	4; \
+	.global	x; \
+	.type	x, #function; \
+x:	RTMCOUNT(x)
+
+/*
+ * ENTRY2 is identical to ENTRY but provides two labels for the entry point.
+ */
+#define	ENTRY2(x, y) \
+	.section	".text"; \
+	.align	4; \
+	.global	x, y; \
+	.type	x, #function; \
+	.type	y, #function; \
+/* CSTYLED */ \
+x:	; \
+y:	MCOUNT(x)
+
+#define	ENTRY_NP2(x, y) \
+	.section	".text"; \
+	.align	4; \
+	.global	x, y; \
+	.type	x, #function; \
+	.type	y, #function; \
+/* CSTYLED */ \
+x:	; \
+y:
+
+
+/*
+ * ALTENTRY provides for additional entry points.
+ */
+#define	ALTENTRY(x) \
+	.global x; \
+	.type	x, #function; \
+x:
+
+/*
+ * DGDEF and DGDEF2 provide global data declarations.
+ *
+ * DGDEF provides a word aligned word of storage.
+ *
+ * DGDEF2 allocates "sz" bytes of storage with **NO** alignment.  This
+ * implies this macro is best used for byte arrays.
+ *
+ * DGDEF3 allocates "sz" bytes of storage with "algn" alignment.
+ */
+#define	DGDEF2(name, sz) \
+	.section	".data"; \
+	.global name; \
+	.type	name, #object; \
+	.size	name, sz; \
+name:
+
+#define	DGDEF3(name, sz, algn) \
+	.section	".data"; \
+	.align	algn; \
+	.global name; \
+	.type	name, #object; \
+	.size	name, sz; \
+name:
+
+#define	DGDEF(name)	DGDEF3(name, 4, 4)
+
+/*
+ * SET_SIZE trails a function and set the size for the ELF symbol table.
+ */
+#define	SET_SIZE(x) \
+	.size	x, (.-x)
+
+#endif /* _ASM */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_ASM_LINKAGE_H */