mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-13 08:40:07 +00:00
140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
|
|
Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003
|
|
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. */
|
|
|
|
#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 == _MIPS_SIM_ABI32
|
|
|
|
#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 defined _ABIN32 && _MIPS_SIM == _ABIN32
|
|
# define PTR_ADDU_STRING "add" /* no u */
|
|
# define PTR_SUBU_STRING "sub" /* no u */
|
|
#elif defined _ABI64 && _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
|