diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2004-02-01 05:28:21 +0000 |
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committer | Dale Rahn <drahn@cvs.openbsd.org> | 2004-02-01 05:28:21 +0000 |
commit | c1a6705a877c9497fa15fa79ad08373d82634725 (patch) | |
tree | 070284cb59a4b3ee6e7cb4c42b8bacebdf75e726 /lib/csu/arm/md_init.h | |
parent | ab93e9ecdcd8145779cf77b2499469c770c615fb (diff) |
startup files for arm. Partially borrowed from NetBSD.
Diffstat (limited to 'lib/csu/arm/md_init.h')
-rw-r--r-- | lib/csu/arm/md_init.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/csu/arm/md_init.h b/lib/csu/arm/md_init.h new file mode 100644 index 00000000000..c39ed93bca6 --- /dev/null +++ b/lib/csu/arm/md_init.h @@ -0,0 +1,65 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/02/01 05:28:20 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. + */ + +/* XXX */ +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\" \n" \ + " adr r0, 1f \n" \ + " ldr r0, [r0] \n" \ + " adr lr, 2f \n" \ + " mov pc, r0 \n" \ + "1: .word " #func " \n" \ + "2: \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" \ + " mov ip, sp \n" \ + " stmfd sp!, {fp, lr, pc} \n" \ + " sub fp, ip, #4 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",%progbits \n" \ + " ldmea fp, {fp, sp, pc} \n" \ + " .previous") |