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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
#define exec_op glue(exec_, OP)
#define exec_opq glue(glue(exec_, OP), q)
#define exec_opl glue(glue(exec_, OP), l)
#define exec_opw glue(glue(exec_, OP), w)
#define exec_opb glue(glue(exec_, OP), b)
#ifndef OP_SHIFTD
#ifdef OP_NOBYTE
#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
asm ("push %4\n\t"\
"popf\n\t"\
stringify(OP) size " %" rsize "2, %" rsize "0\n\t" \
"pushf\n\t"\
"pop %1\n\t"\
: "=g" (res), "=g" (flags)\
: "r" (s1), "0" (res), "1" (flags));
#else
#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
asm ("push %4\n\t"\
"popf\n\t"\
stringify(OP) size " %%cl, %" rsize "0\n\t" \
"pushf\n\t"\
"pop %1\n\t"\
: "=q" (res), "=g" (flags)\
: "c" (s1), "0" (res), "1" (flags));
#endif
#if defined(__x86_64__)
void exec_opq(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("q", "", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "q", s0, s1, res, iflags, flags & CC_MASK);
}
#endif
void exec_opl(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("l", "k", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
}
void exec_opw(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("w", "w", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
}
#else
#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
asm ("push %4\n\t"\
"popf\n\t"\
stringify(OP) size " %%cl, %" rsize "5, %" rsize "0\n\t" \
"pushf\n\t"\
"pop %1\n\t"\
: "=g" (res), "=g" (flags)\
: "c" (s1), "0" (res), "1" (flags), "r" (s2));
#if defined(__x86_64__)
void exec_opq(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("q", "", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "q", s0, s2, s1, res, iflags, flags & CC_MASK);
}
#endif
void exec_opl(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("l", "k", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "l", s0, s2, s1, res, iflags, flags & CC_MASK);
}
void exec_opw(long s2, long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("w", "w", res, s1, s2, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "w", s0, s2, s1, res, iflags, flags & CC_MASK);
}
#endif
#ifndef OP_NOBYTE
void exec_opb(long s0, long s1, long iflags)
{
long res, flags;
res = s0;
flags = iflags;
EXECSHIFT("b", "b", res, s1, 0, flags);
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
}
#endif
void exec_op(long s2, long s0, long s1)
{
s2 = i2l(s2);
s0 = i2l(s0);
#if defined(__x86_64__)
exec_opq(s2, s0, s1, 0);
#endif
exec_opl(s2, s0, s1, 0);
#ifdef OP_SHIFTD
if (s1 <= 15)
exec_opw(s2, s0, s1, 0);
#else
exec_opw(s2, s0, s1, 0);
#endif
#ifndef OP_NOBYTE
exec_opb(s0, s1, 0);
#endif
#ifdef OP_CC
#if defined(__x86_64__)
exec_opq(s2, s0, s1, CC_C);
#endif
exec_opl(s2, s0, s1, CC_C);
exec_opw(s2, s0, s1, CC_C);
exec_opb(s0, s1, CC_C);
#endif
}
void glue(test_, OP)(void)
{
int i, n;
#if defined(__x86_64__)
n = 64;
#else
n = 32;
#endif
for(i = 0; i < n; i++)
exec_op(0x21ad3d34, 0x12345678, i);
for(i = 0; i < n; i++)
exec_op(0x813f3421, 0x82345678, i);
}
void *glue(_test_, OP) __init_call = glue(test_, OP);
#undef OP
#undef OP_CC
#undef OP_SHIFTD
#undef OP_NOBYTE
#undef EXECSHIFT
|
