blob: 7a089fa5959c6800565b3e4ff7af9185b3bd15f8 [file] [log] [blame]
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sgidefs.h>
#define _MCOUNT_DECL(frompc,selfpc) \
static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
/* Call __mcount with the return PC for our caller,
and the return PC our caller will return to. */
#if _MIPS_SIM == _ABIO32
#ifdef __PIC__
# define CPLOAD ".cpload $25;"
# define CPRESTORE ".cprestore 44\n\t"
#else
# define CPLOAD
# define CPRESTORE
#endif
#define MCOUNT asm(\
".globl _mcount;\n\t" \
".align 2;\n\t" \
".type _mcount,@function;\n\t" \
".ent _mcount\n\t" \
"_mcount:\n\t" \
".frame $sp,44,$31\n\t" \
".set noreorder;\n\t" \
".set noat;\n\t" \
CPLOAD \
"subu $29,$29,48;\n\t" \
CPRESTORE \
"sw $4,24($29);\n\t" \
"sw $5,28($29);\n\t" \
"sw $6,32($29);\n\t" \
"sw $7,36($29);\n\t" \
"sw $2,40($29);\n\t" \
"sw $1,16($29);\n\t" \
"sw $31,20($29);\n\t" \
"move $5,$31;\n\t" \
"move $4,$1;\n\t" \
"jal __mcount;\n\t" \
"nop;\n\t" \
"lw $4,24($29);\n\t" \
"lw $5,28($29);\n\t" \
"lw $6,32($29);\n\t" \
"lw $7,36($29);\n\t" \
"lw $2,40($29);\n\t" \
"lw $31,20($29);\n\t" \
"lw $1,16($29);\n\t" \
"addu $29,$29,56;\n\t" \
"j $31;\n\t" \
"move $31,$1;\n\t" \
".set reorder;\n\t" \
".set at\n\t" \
".end _mcount");
#else
#ifdef __PIC__
# define CPSETUP ".cpsetup $25, 88, _mcount;"
# define CPRETURN ".cpreturn;"
#else
# define CPSETUP
# define CPRETURN
#endif
#if _MIPS_SIM == _ABIN32
# define PTR_ADDU_STRING "add" /* no u */
# define PTR_SUBU_STRING "sub" /* no u */
#elif _MIPS_SIM == _ABI64
# define PTR_ADDU_STRING "daddu"
# define PTR_SUBU_STRING "dsubu"
#else
# error "Unknown ABI"
#endif
#define MCOUNT asm(\
".globl _mcount;\n\t" \
".align 3;\n\t" \
".type _mcount,@function;\n\t" \
".ent _mcount\n\t" \
"_mcount:\n\t" \
".frame $sp,88,$31\n\t" \
".set noreorder;\n\t" \
".set noat;\n\t" \
PTR_SUBU_STRING " $29,$29,96;\n\t" \
CPSETUP \
"sd $4,24($29);\n\t" \
"sd $5,32($29);\n\t" \
"sd $6,40($29);\n\t" \
"sd $7,48($29);\n\t" \
"sd $8,56($29);\n\t" \
"sd $9,64($29);\n\t" \
"sd $10,72($29);\n\t" \
"sd $11,80($29);\n\t" \
"sd $2,16($29);\n\t" \
"sd $1,0($29);\n\t" \
"sd $31,8($29);\n\t" \
"move $5,$31;\n\t" \
"move $4,$1;\n\t" \
"jal __mcount;\n\t" \
"nop;\n\t" \
"ld $4,24($29);\n\t" \
"ld $5,32($29);\n\t" \
"ld $6,40($29);\n\t" \
"ld $7,48($29);\n\t" \
"ld $8,56($29);\n\t" \
"ld $9,64($29);\n\t" \
"ld $10,72($29);\n\t" \
"ld $11,80($29);\n\t" \
"ld $2,16($29);\n\t" \
"ld $31,8($29);\n\t" \
"ld $1,0($29);\n\t" \
CPRETURN \
PTR_ADDU_STRING " $29,$29,96;\n\t" \
"j $31;\n\t" \
"move $31,$1;\n\t" \
".set reorder;\n\t" \
".set at\n\t" \
".end _mcount");
#endif