1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
Copyright (C) 1996, 1997, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define _MCOUNT_DECL static void __mcount
/* Call __mcount with our the return PC for our caller,
and the return PC our caller will return to. */
#ifdef __PIC__
#define CPLOAD ".cpload $25;"
#else
#define CPLOAD
#endif
#define MCOUNT asm(\
".globl _mcount;" \
".align 2;" \
".type _mcount,@function;" \
"_mcount:;" \
".set noreorder;" \
".set noat;" \
CPLOAD \
"sw $4,8($29);" \
"sw $5,12($29);" \
"sw $6,16($29);" \
"sw $7,20($29);" \
"sw $1,0($29);" \
"sw $31,4($29);" \
"move $5,$31;" \
"jal __mcount;" \
"move $4,$1;" \
"lw $4,8($29);" \
"lw $5,12($29);" \
"lw $6,16($29);" \
"lw $7,20($29);" \
"lw $31,4($29);" \
"lw $1,0($29);" \
"addu $29,$29,8;" \
"j $31;" \
"move $31,$1;" \
".set reorder;" \
".set at");
|
GitWeb
