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[src/nathanw_sa]: src/sys/arch/m68k/include mcount() is named __mcount() on E...
details: https://anonhg.NetBSD.org/src/rev/a29916c4d8aa
branches: nathanw_sa
changeset: 504684:a29916c4d8aa
user: chs <chs%NetBSD.org@localhost>
date: Sun May 27 01:01:09 2001 +0000
description:
mcount() is named __mcount() on ELF, do the right thing.
diffstat:
sys/arch/m68k/include/asm.h | 233 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 233 insertions(+), 0 deletions(-)
diffs (237 lines):
diff -r d2f27728bf48 -r a29916c4d8aa sys/arch/m68k/include/asm.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/m68k/include/asm.h Sun May 27 01:01:09 2001 +0000
@@ -0,0 +1,233 @@
+/* $NetBSD: asm.h,v 1.23.8.2 2001/05/27 01:01:09 chs Exp $ */
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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 NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+/*
+ * 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 _M68K_ASM_H_
+#define _M68K_ASM_H_
+
+#if defined(__ELF__) && defined(PIC)
+#define PIC_PLT(name) name@PLTPC
+#else
+#define PIC_PLT(name) name
+#endif
+
+#ifdef __ELF__
+# if __STDC__
+# define _C_LABEL(name) name
+# else
+# define _C_LABEL(name) name
+#endif /* __STDC__ */
+#else /* __ELF__ */
+# if __STDC__
+# define _C_LABEL(name) _ ## name
+# else
+# define _C_LABEL(name) _/**/name
+# endif /* __STDC__ */
+#endif /* __ELF__ */
+
+#define _ASM_LABEL(name) name
+
+#define _ENTRY(name) \
+ .text; .even; .globl name; .type name,@function; name:
+
+#ifdef __ELF__
+#define MCOUNT_ENTRY __mcount
+#else
+#define MCOUNT_ENTRY mcount
+#endif
+
+#ifdef GPROF
+#define _PROF_PROLOG link %a6,#0; jbsr MCOUNT_ENTRY; unlk %a6
+#else
+#define _PROF_PROLOG
+#endif
+
+#define ENTRY(name) _ENTRY(_C_LABEL(name)) _PROF_PROLOG
+#define ASENTRY(name) _ENTRY(_ASM_LABEL(name)) _PROF_PROLOG
+
+#define ENTRY_NOPROFILE(name) _ENTRY(_C_LABEL(name))
+#define ASENTRY_NOPROFILE(name) _ENTRY(_ASM_LABEL(name))
+
+/*
+ * The m68k ALTENTRY macro is very different than the traditional
+ * implementation used by other NetBSD ports. Usually ALTENTRY
+ * simply provides an alternate function entry point. The m68k
+ * definition takes a second argument and jumps inside the second
+ * function when profiling is enabled.
+ *
+ * The m68k behavior is similar to the ENTRY2 macro found in
+ * solaris' asm_linkage.h.
+ *
+ * Providing ENTRY2 and changing all the code that uses ALTENTRY
+ * to use it would be a desirable change.
+ */
+#ifdef PROF
+#define ALTENTRY(name, rname) ENTRY(name); jra rname+12
+#else
+#define ALTENTRY(name, rname) _ENTRY(_C_LABEL(name))
+#endif
+
+#define RCSID(x) .text ; \
+ .asciz x ; \
+ .even
+
+/*
+ * Global variables of whatever sort.
+ */
+#define GLOBAL(x) \
+ .globl _C_LABEL(x) ; \
+ _C_LABEL(x):
+
+#define ASGLOBAL(x) \
+ .globl _ASM_LABEL(x) ; \
+ _ASM_LABEL(x):
+
+/*
+ * ...and local variables.
+ */
+#define LOCAL(x) \
+ _C_LABEL(x):
+
+#define ASLOCAL(x) \
+ _ASM_LABEL(x):
+
+/*
+ * Items in the BSS segment.
+ */
+#define BSS(name, size) \
+ .comm _C_LABEL(name),size
+
+#define ASBSS(name, size) \
+ .comm _ASM_LABEL(name),size
+
+#ifdef _KERNEL
+/*
+ * Shorthand for calling panic().
+ * Note the side-effect: it uses up the 9: label, so be careful!
+ */
+#define PANIC(x) \
+ pea 9f ; \
+ jbsr _C_LABEL(panic) ; \
+ 9: .asciz x ; \
+ .even
+
+#endif /* _KERNEL */
+
+/*
+ * Shorthand for defining vectors for the vector table.
+ */
+#define VECTOR(x) \
+ .long _C_LABEL(x)
+
+#define ASVECTOR(x) \
+ .long _ASM_LABEL(x)
+
+#define VECTOR_UNUSED \
+ .long 0
+
+#ifdef __ELF__
+#define WEAK_ALIAS(alias,sym) \
+ .weak alias; \
+ alias = sym
+#endif
+
+#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__ */
+
+/*
+ * Macros to hide shortcomings in the 68010.
+ */
+#ifndef __mc68010__
+#define EXTBL(reg) \
+ extbl reg
+#else /* __mc68010__ */
+#define EXTBL(reg) \
+ extw reg ; \
+ extl reg
+#endif /* __mc68010__ */
+
+#endif /* _M68K_ASM_H_ */
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