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Diffstat (limited to 'lib/csu/powerpc/md_init.h')
| -rw-r--r-- | lib/csu/powerpc/md_init.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/csu/powerpc/md_init.h b/lib/csu/powerpc/md_init.h new file mode 100644 index 00000000000..c7953143668 --- /dev/null +++ b/lib/csu/powerpc/md_init.h @@ -0,0 +1,62 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/*- + * Copyright (c) 2001 Ross Harvey + * 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 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\"\n" \ + " bl " #func "\n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + " .align 4 \n" \ + #entry_pt": \n" \ + " stwu %r1,-16(%r1) \n" \ + " mflr %r0 \n" \ + " stw %r0,12(%r1) \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " lwz %r0,12(%r1) \n" \ + " mtlr %r0 \n" \ + " addi %r1,%r1,16 \n" \ + " blr \n" \ + " .previous") |