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147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
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Copyright (C) 1996-2017 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, see
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<http://www.gnu.org/licenses/>. */
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#include <sgidefs.h>
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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 the return PC for our caller,
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and the return PC our caller will return to. */
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#if _MIPS_SIM == _ABIO32
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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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".set push;\n\t" \
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".set nomips16;\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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".end _mcount;\n\t" \
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".set pop");
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#else
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#ifdef __PIC__
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# define CPSETUP ".cpsetup $25, 88, _mcount;"
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# define CPRETURN ".cpreturn;"
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#else
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# define CPSETUP
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# define CPRETURN
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#endif
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#if _MIPS_SIM == _ABIN32
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# if !defined __mips_isa_rev || __mips_isa_rev < 6
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# define PTR_ADDU_STRING "add" /* no u */
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# define PTR_SUBU_STRING "sub" /* no u */
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# else
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# define PTR_ADDU_STRING "addu"
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# define PTR_SUBU_STRING "subu"
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# endif
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#elif _MIPS_SIM == _ABI64
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# define PTR_ADDU_STRING "daddu"
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# define PTR_SUBU_STRING "dsubu"
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#else
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# error "Unknown ABI"
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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 3;\n\t" \
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".set push;\n\t" \
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".set nomips16;\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,88,$31\n\t" \
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".set noreorder;\n\t" \
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".set noat;\n\t" \
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PTR_SUBU_STRING " $29,$29,96;\n\t" \
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CPSETUP \
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"sd $4,24($29);\n\t" \
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"sd $5,32($29);\n\t" \
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"sd $6,40($29);\n\t" \
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"sd $7,48($29);\n\t" \
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"sd $8,56($29);\n\t" \
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"sd $9,64($29);\n\t" \
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"sd $10,72($29);\n\t" \
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"sd $11,80($29);\n\t" \
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"sd $2,16($29);\n\t" \
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"sd $1,0($29);\n\t" \
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"sd $31,8($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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"ld $4,24($29);\n\t" \
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"ld $5,32($29);\n\t" \
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"ld $6,40($29);\n\t" \
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"ld $7,48($29);\n\t" \
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"ld $8,56($29);\n\t" \
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"ld $9,64($29);\n\t" \
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"ld $10,72($29);\n\t" \
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"ld $11,80($29);\n\t" \
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"ld $2,16($29);\n\t" \
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"ld $31,8($29);\n\t" \
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"ld $1,0($29);\n\t" \
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CPRETURN \
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PTR_ADDU_STRING " $29,$29,96;\n\t" \
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"j $31;\n\t" \
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"move $31,$1;\n\t" \
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".end _mcount;\n\t" \
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".set pop");
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#endif
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