69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
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Copyright (C) 1996, 1997, 2000, 2001, 2002 Free Software Foundation, Inc.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define _MCOUNT_DECL(frompc,selfpc) \
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static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
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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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#ifdef __PIC__
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#define CPLOAD ".cpload $25;"
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#define CPRESTORE ".cprestore 44\n\t"
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#else
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#define CPLOAD
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#define CPRESTORE
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#endif
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#define MCOUNT asm(\
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".globl _mcount;\n\t" \
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".align 2;\n\t" \
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".type _mcount,@function;\n\t" \
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".ent _mcount\n\t" \
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"_mcount:\n\t" \
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".frame $sp,44,$31\n\t" \
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".set noreorder;\n\t" \
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".set noat;\n\t" \
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CPLOAD \
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"subu $29,$29,48;\n\t" \
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CPRESTORE \
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"sw $4,24($29);\n\t" \
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"sw $5,28($29);\n\t" \
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"sw $6,32($29);\n\t" \
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"sw $7,36($29);\n\t" \
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"sw $2,40($29);\n\t" \
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"sw $1,16($29);\n\t" \
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"sw $31,20($29);\n\t" \
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"move $5,$31;\n\t" \
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"move $4,$1;\n\t" \
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"jal __mcount;\n\t" \
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"nop;\n\t" \
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"lw $4,24($29);\n\t" \
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"lw $5,28($29);\n\t" \
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"lw $6,32($29);\n\t" \
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"lw $7,36($29);\n\t" \
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"lw $2,40($29);\n\t" \
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"lw $31,20($29);\n\t" \
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"lw $1,16($29);\n\t" \
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"addu $29,$29,56;\n\t" \
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"j $31;\n\t" \
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"move $31,$1;\n\t" \
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".set reorder;\n\t" \
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".set at\n\t" \
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".end _mcount");
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