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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* Machine-specific calling sequence for `mcount' profiling function. MIPS
Copyright (C) 1996, 1997, 2000, 2001, 2002 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. */
#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ <= 1)
#define _MCOUNT_DECL(frompc,selfpc) \
static void __mcount (u_long frompc, u_long selfpc)
#else
#define _MCOUNT_DECL(frompc,selfpc) \
static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
#endif
/* 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;"
#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");
|
