1997-06-21 02:02:21 +00:00
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/* Machine-specific calling sequence for `mcount' profiling function. MIPS
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2000-03-31 05:44:27 +00:00
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Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
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1997-06-21 02:02:21 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define _MCOUNT_DECL static void __mcount
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/* Call __mcount with our the return PC for our caller,
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and the return PC our caller will return to. */
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2000-03-31 05:44:27 +00:00
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#ifdef __PIC__
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1997-06-21 02:02:21 +00:00
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#define CPLOAD ".cpload $25;"
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#else
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#define CPLOAD
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#endif
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#define MCOUNT asm(\
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".globl _mcount;" \
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".align 2;" \
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".type _mcount,@function;" \
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"_mcount:;" \
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".set noreorder;" \
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".set noat;" \
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CPLOAD \
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"sw $4,8($29);" \
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"sw $5,12($29);" \
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"sw $6,16($29);" \
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"sw $7,20($29);" \
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"sw $1,0($29);" \
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"sw $31,4($29);" \
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"move $5,$31;" \
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"jal __mcount;" \
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"move $4,$1;" \
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"lw $4,8($29);" \
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"lw $5,12($29);" \
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"lw $6,16($29);" \
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"lw $7,20($29);" \
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"lw $31,4($29);" \
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"lw $1,0($29);" \
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"addu $29,$29,8;" \
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"j $31;" \
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"move $31,$1;" \
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".set reorder;" \
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".set at");
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