f23a4c3008254136f8b8d0f21adc6430a8b0928c
[kopensolaris-gnu/glibc.git] / sysdeps / mips / machine-gmon.h
1 /* Machine-specific calling sequence for `mcount' profiling function.  MIPS
2    Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004
3         Free Software Foundation, Inc.
4    This file is part of the GNU C Library.
5
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, write to the Free
18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19    02111-1307 USA.  */
20
21 #include <sgidefs.h>
22
23 #define _MCOUNT_DECL(frompc,selfpc) \
24 static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
25
26 /* Call __mcount with the return PC for our caller,
27    and the return PC our caller will return to.  */
28
29 #if _MIPS_SIM == _MIPS_SIM_ABI32
30
31 #ifdef __PIC__
32 # define CPLOAD ".cpload $25;"
33 # define CPRESTORE ".cprestore 44\n\t"
34 #else
35 # define CPLOAD
36 # define CPRESTORE
37 #endif
38
39 #define MCOUNT asm(\
40         ".globl _mcount;\n\t" \
41         ".align 2;\n\t" \
42         ".type _mcount,@function;\n\t" \
43         ".ent _mcount\n\t" \
44         "_mcount:\n\t" \
45         ".frame $sp,44,$31\n\t" \
46         ".set noreorder;\n\t" \
47         ".set noat;\n\t" \
48         CPLOAD \
49         "subu $29,$29,48;\n\t" \
50         CPRESTORE \
51         "sw $4,24($29);\n\t" \
52         "sw $5,28($29);\n\t" \
53         "sw $6,32($29);\n\t" \
54         "sw $7,36($29);\n\t" \
55         "sw $2,40($29);\n\t" \
56         "sw $1,16($29);\n\t" \
57         "sw $31,20($29);\n\t" \
58         "move $5,$31;\n\t" \
59         "move $4,$1;\n\t" \
60         "jal __mcount;\n\t" \
61         "nop;\n\t" \
62         "lw $4,24($29);\n\t" \
63         "lw $5,28($29);\n\t" \
64         "lw $6,32($29);\n\t" \
65         "lw $7,36($29);\n\t" \
66         "lw $2,40($29);\n\t" \
67         "lw $31,20($29);\n\t" \
68         "lw $1,16($29);\n\t" \
69         "addu $29,$29,56;\n\t" \
70         "j $31;\n\t" \
71         "move $31,$1;\n\t" \
72         ".set reorder;\n\t" \
73         ".set at\n\t" \
74         ".end _mcount");
75
76 #else
77
78 #ifdef __PIC__
79 # define CPSETUP ".cpsetup $25, 88, _mcount;"
80 # define CPRETURN ".cpreturn;"
81 #else
82 # define CPSETUP
83 # define CPRETURN
84 #endif
85
86 #if _MIPS_SIM == _MIPS_SIM_NABI32
87 # define PTR_ADDU_STRING "add" /* no u */
88 # define PTR_SUBU_STRING "sub" /* no u */
89 #elif _MIPS_SIM == _MIPS_SIM_ABI64
90 # define PTR_ADDU_STRING "daddu"
91 # define PTR_SUBU_STRING "dsubu"
92 #else
93 # error "Unknown ABI"
94 #endif
95
96 #define MCOUNT asm(\
97         ".globl _mcount;\n\t" \
98         ".align 3;\n\t" \
99         ".type _mcount,@function;\n\t" \
100         ".ent _mcount\n\t" \
101         "_mcount:\n\t" \
102         ".frame $sp,88,$31\n\t" \
103         ".set noreorder;\n\t" \
104         ".set noat;\n\t" \
105         PTR_SUBU_STRING " $29,$29,96;\n\t" \
106         CPSETUP \
107         "sd $4,24($29);\n\t" \
108         "sd $5,32($29);\n\t" \
109         "sd $6,40($29);\n\t" \
110         "sd $7,48($29);\n\t" \
111         "sd $8,56($29);\n\t" \
112         "sd $9,64($29);\n\t" \
113         "sd $10,72($29);\n\t" \
114         "sd $11,80($29);\n\t" \
115         "sd $2,16($29);\n\t" \
116         "sd $1,0($29);\n\t" \
117         "sd $31,8($29);\n\t" \
118         "move $5,$31;\n\t" \
119         "move $4,$1;\n\t" \
120         "jal __mcount;\n\t" \
121         "nop;\n\t" \
122         "ld $4,24($29);\n\t" \
123         "ld $5,32($29);\n\t" \
124         "ld $6,40($29);\n\t" \
125         "ld $7,48($29);\n\t" \
126         "ld $8,56($29);\n\t" \
127         "ld $9,64($29);\n\t" \
128         "ld $10,72($29);\n\t" \
129         "ld $11,80($29);\n\t" \
130         "ld $2,16($29);\n\t" \
131         "ld $31,8($29);\n\t" \
132         "ld $1,0($29);\n\t" \
133         CPRETURN \
134         PTR_ADDU_STRING " $29,$29,96;\n\t" \
135         "j $31;\n\t" \
136         "move $31,$1;\n\t" \
137         ".set reorder;\n\t" \
138         ".set at\n\t" \
139         ".end _mcount");
140
141 #endif