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Diffstat (limited to 'lib/csu/hppa/md_init.h')
-rw-r--r-- | lib/csu/hppa/md_init.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/csu/hppa/md_init.h b/lib/csu/hppa/md_init.h new file mode 100644 index 00000000000..6b405c59301 --- /dev/null +++ b/lib/csu/hppa/md_init.h @@ -0,0 +1,70 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/* + * Copyright (c) 2003 Dale Rahn. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + + +#ifdef PIC +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section",\"ax\",@progbits \n" \ + " stw %r19,-32(%r30) \n" \ + " stw %r4,-64(%r30) \n" \ + " bl " #func ",%r2 \n" \ + " copy %r19,%r4 \n" \ + " copy %r4,%r19 \n" \ + " .previous") +#else +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section .rodata \n" \ + " .align 4 \n" \ + "L$" #func " \n" \ + " .word "#func " \n" \ + " .previous \n" \ + " .section "#section",\"ax\",@progbits \n" \ + " ldil LR'L$" #func ",%r1 \n" \ + " ldw RR'L$" #func "(%r1), %r31 \n" \ + " ble 0(%sr4,%r31) \n" \ + " copy %r31,%r2 \n" \ + " .previous") +#endif + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " .EXPORT "#entry_pt",ENTRY,PRIV_LEV=3,ARGW0=NO,ARGW1=NO,ARGW2=NO,ARGW3=NO,RTNVAL=NO \n" \ + " .align 4 \n" \ + #entry_pt" \n" \ + " stw %r2, -20(%r30) \n" \ + " ldo 64(%r30),%r30 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " ldw -84(%r30),%r2 \n" \ + " bv %r0(%r2) \n" \ + " ldo -64(%r30),%r30 \n" \ + " .previous") |