| /* Machine-specific calling sequence for `mcount' profiling function. MIPS |
| Copyright (C) 1996-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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" \ |
| ".set push;\n\t" \ |
| ".set nomips16;\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" \ |
| ".end _mcount;\n\t" \ |
| ".set pop"); |
| |
| #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" \ |
| ".set push;\n\t" \ |
| ".set nomips16;\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" \ |
| ".end _mcount;\n\t" \ |
| ".set pop"); |
| |
| #endif |
