blob: 61f1aa4c5b4fc3fc5a3f00724726328e4f8e1db6 (
plain)
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* Copyright (C) 2013-2019 Free Software Foundation, Inc.
*
* This file is part of GNU lightning.
*
* GNU lightning 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 3, or (at your option)
* any later version.
*
* GNU lightning 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.
*
* Authors:
* Paulo Cesar Pereira de Andrade
*/
#include <lightning.h>
#include <lightning/jit_private.h>
#if GET_JIT_SIZE
# include <stdio.h>
#endif
/*
* Initialization
*/
static jit_int16_t _szs[jit_code_last_code] = {
#if GET_JIT_SIZE
# define JIT_INSTR_MAX 256
#else
# if defined(__i386__) || defined(__x86_64__)
# include "jit_x86-sz.c"
# elif defined(__mips__)
# include "jit_mips-sz.c"
# elif defined(__arm__)
# include "jit_arm-sz.c"
# elif defined(__powerpc__)
# include "jit_ppc-sz.c"
# elif defined(__sparc__)
# include "jit_sparc-sz.c"
# elif defined(__ia64__)
# include "jit_ia64-sz.c"
# elif defined(__hppa__)
# include "jit_hppa-sz.c"
# elif defined(__aarch64__)
# include "jit_aarch64-sz.c"
# elif defined(__s390__) || defined(__s390x__)
# include "jit_s390-sz.c"
# elif defined(__alpha__)
# include "jit_alpha-sz.c"
# elif defined(__riscv)
# include "jit_riscv-sz.c"
# endif
#endif
};
/*
* Implementation
*/
void
jit_init_size(void)
{
#if DEBUG
# if !GET_JIT_SIZE
jit_word_t offset;
for (offset = 0; offset < jit_size(_szs); offset++)
if (_szs[offset] != 0)
return;
/* Ensure data was collected */
abort();
# endif
#endif
}
#if GET_JIT_SIZE
void
_jit_size_prepare(jit_state_t *_jit)
{
_jitc->cptr = _jit->code.ptr;
_jitc->size = _jit->pc.w;
}
void
_jit_size_collect(jit_state_t *_jit, jit_node_t *node)
{
jit_word_t length;
if (_jitc->cptr == _jit->code.ptr) {
length = _jit->pc.w - _jitc->size;
if (_szs[node->code] < length)
_szs[node->code] = length;
}
}
#else
jit_word_t
_jit_get_size(jit_state_t *_jit)
{
jit_word_t size;
jit_node_t *node;
for (size = JIT_INSTR_MAX, node = _jitc->head; node; node = node->next)
size += _szs[node->code];
return ((size + 4095) & -4096);
}
#endif
jit_word_t
jit_get_max_instr(void)
{
return (JIT_INSTR_MAX >= 144 ? JIT_INSTR_MAX : 144);
}
void
jit_finish_size(void)
{
#if GET_JIT_SIZE
FILE *fp;
jit_word_t offset;
/* Define a single path */
fp = fopen(JIT_SIZE_PATH, "a");
assert(fp);
for (offset = 0; offset < jit_size(_szs); offset++)
fprintf(fp, "%d %d\n", offset, _szs[offset]);
fclose(fp);
#endif
}
|
