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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
|
#if defined(__i386__)
.file "crypto/cpu-x86-asm.S"
.text
.globl OPENSSL_ia32_cpuid
.hidden OPENSSL_ia32_cpuid
.type OPENSSL_ia32_cpuid,@function
.align 16
OPENSSL_ia32_cpuid:
.L_OPENSSL_ia32_cpuid_begin:
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
xorl %edx,%edx
pushfl
popl %eax
movl %eax,%ecx
xorl $2097152,%eax
pushl %eax
popfl
pushfl
popl %eax
xorl %eax,%ecx
xorl %eax,%eax
btl $21,%ecx
jnc .L000nocpuid
movl 20(%esp),%esi
movl %eax,8(%esi)
.byte 0x0f,0xa2
movl %eax,%edi
xorl %eax,%eax
cmpl $1970169159,%ebx
setne %al
movl %eax,%ebp
cmpl $1231384169,%edx
setne %al
orl %eax,%ebp
cmpl $1818588270,%ecx
setne %al
orl %eax,%ebp
jz .L001intel
cmpl $1752462657,%ebx
setne %al
movl %eax,%esi
cmpl $1769238117,%edx
setne %al
orl %eax,%esi
cmpl $1145913699,%ecx
setne %al
orl %eax,%esi
jnz .L001intel
movl $2147483648,%eax
.byte 0x0f,0xa2
cmpl $2147483649,%eax
jb .L001intel
movl %eax,%esi
movl $2147483649,%eax
.byte 0x0f,0xa2
orl %ecx,%ebp
andl $2049,%ebp
cmpl $2147483656,%esi
jb .L001intel
movl $2147483656,%eax
.byte 0x0f,0xa2
movzbl %cl,%esi
incl %esi
movl $1,%eax
xorl %ecx,%ecx
.byte 0x0f,0xa2
btl $28,%edx
jnc .L002generic
shrl $16,%ebx
andl $255,%ebx
cmpl %esi,%ebx
ja .L002generic
andl $4026531839,%edx
jmp .L002generic
.L001intel:
cmpl $7,%edi
jb .L003cacheinfo
movl 20(%esp),%esi
movl $7,%eax
xorl %ecx,%ecx
.byte 0x0f,0xa2
movl %ebx,8(%esi)
.L003cacheinfo:
cmpl $4,%edi
movl $-1,%edi
jb .L004nocacheinfo
movl $4,%eax
movl $0,%ecx
.byte 0x0f,0xa2
movl %eax,%edi
shrl $14,%edi
andl $4095,%edi
.L004nocacheinfo:
movl $1,%eax
xorl %ecx,%ecx
.byte 0x0f,0xa2
andl $3220176895,%edx
cmpl $0,%ebp
jne .L005notintel
orl $1073741824,%edx
.L005notintel:
btl $28,%edx
jnc .L002generic
andl $4026531839,%edx
cmpl $0,%edi
je .L002generic
orl $268435456,%edx
shrl $16,%ebx
cmpb $1,%bl
ja .L002generic
andl $4026531839,%edx
.L002generic:
andl $2048,%ebp
andl $4294965247,%ecx
movl %edx,%esi
orl %ecx,%ebp
btl $27,%ecx
jnc .L006clear_avx
xorl %ecx,%ecx
.byte 15,1,208
andl $6,%eax
cmpl $6,%eax
je .L007done
cmpl $2,%eax
je .L006clear_avx
.L008clear_xmm:
andl $4261412861,%ebp
andl $4278190079,%esi
.L006clear_avx:
andl $4026525695,%ebp
movl 20(%esp),%edi
andl $4294967263,8(%edi)
.L007done:
movl %esi,%eax
movl %ebp,%edx
.L000nocpuid:
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.size OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
.globl OPENSSL_rdtsc
.hidden OPENSSL_rdtsc
.type OPENSSL_rdtsc,@function
.align 16
OPENSSL_rdtsc:
.L_OPENSSL_rdtsc_begin:
xorl %eax,%eax
xorl %edx,%edx
call .L009PIC_me_up
.L009PIC_me_up:
popl %ecx
leal OPENSSL_ia32cap_P-.L009PIC_me_up(%ecx),%ecx
btl $4,(%ecx)
jnc .L010notsc
.byte 0x0f,0x31
.L010notsc:
ret
.size OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
.globl OPENSSL_instrument_halt
.hidden OPENSSL_instrument_halt
.type OPENSSL_instrument_halt,@function
.align 16
OPENSSL_instrument_halt:
.L_OPENSSL_instrument_halt_begin:
call .L011PIC_me_up
.L011PIC_me_up:
popl %ecx
leal OPENSSL_ia32cap_P-.L011PIC_me_up(%ecx),%ecx
btl $4,(%ecx)
jnc .L012nohalt
.long 2421723150
andl $3,%eax
jnz .L012nohalt
pushfl
popl %eax
btl $9,%eax
jnc .L012nohalt
.byte 0x0f,0x31
pushl %edx
pushl %eax
hlt
.byte 0x0f,0x31
subl (%esp),%eax
sbbl 4(%esp),%edx
addl $8,%esp
ret
.L012nohalt:
xorl %eax,%eax
xorl %edx,%edx
ret
.size OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
.globl OPENSSL_far_spin
.hidden OPENSSL_far_spin
.type OPENSSL_far_spin,@function
.align 16
OPENSSL_far_spin:
.L_OPENSSL_far_spin_begin:
pushfl
popl %eax
btl $9,%eax
jnc .L013nospin
movl 4(%esp),%eax
movl 8(%esp),%ecx
.long 2430111262
xorl %eax,%eax
movl (%ecx),%edx
jmp .L014spin
.align 16
.L014spin:
incl %eax
cmpl (%ecx),%edx
je .L014spin
.long 529567888
ret
.L013nospin:
xorl %eax,%eax
xorl %edx,%edx
ret
.size OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
.globl OPENSSL_wipe_cpu
.hidden OPENSSL_wipe_cpu
.type OPENSSL_wipe_cpu,@function
.align 16
OPENSSL_wipe_cpu:
.L_OPENSSL_wipe_cpu_begin:
xorl %eax,%eax
xorl %edx,%edx
call .L015PIC_me_up
.L015PIC_me_up:
popl %ecx
leal OPENSSL_ia32cap_P-.L015PIC_me_up(%ecx),%ecx
movl (%ecx),%ecx
btl $1,(%ecx)
jnc .L016no_x87
andl $83886080,%ecx
cmpl $83886080,%ecx
jne .L017no_sse2
pxor %xmm0,%xmm0
pxor %xmm1,%xmm1
pxor %xmm2,%xmm2
pxor %xmm3,%xmm3
pxor %xmm4,%xmm4
pxor %xmm5,%xmm5
pxor %xmm6,%xmm6
pxor %xmm7,%xmm7
.L017no_sse2:
.long 4007259865,4007259865,4007259865,4007259865,2430851995
.L016no_x87:
leal 4(%esp),%eax
ret
.size OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
.globl OPENSSL_atomic_add
.hidden OPENSSL_atomic_add
.type OPENSSL_atomic_add,@function
.align 16
OPENSSL_atomic_add:
.L_OPENSSL_atomic_add_begin:
movl 4(%esp),%edx
movl 8(%esp),%ecx
pushl %ebx
nop
movl (%edx),%eax
.L018spin:
leal (%eax,%ecx,1),%ebx
nop
.long 447811568
jne .L018spin
movl %ebx,%eax
popl %ebx
ret
.size OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
.globl OPENSSL_indirect_call
.hidden OPENSSL_indirect_call
.type OPENSSL_indirect_call,@function
.align 16
OPENSSL_indirect_call:
.L_OPENSSL_indirect_call_begin:
pushl %ebp
movl %esp,%ebp
subl $28,%esp
movl 12(%ebp),%ecx
movl %ecx,(%esp)
movl 16(%ebp),%edx
movl %edx,4(%esp)
movl 20(%ebp),%eax
movl %eax,8(%esp)
movl 24(%ebp),%eax
movl %eax,12(%esp)
movl 28(%ebp),%eax
movl %eax,16(%esp)
movl 32(%ebp),%eax
movl %eax,20(%esp)
movl 36(%ebp),%eax
movl %eax,24(%esp)
call *8(%ebp)
movl %ebp,%esp
popl %ebp
ret
.size OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
.globl OPENSSL_ia32_rdrand
.hidden OPENSSL_ia32_rdrand
.type OPENSSL_ia32_rdrand,@function
.align 16
OPENSSL_ia32_rdrand:
.L_OPENSSL_ia32_rdrand_begin:
movl $8,%ecx
.L019loop:
.byte 15,199,240
jc .L020break
loop .L019loop
.L020break:
cmpl $0,%eax
cmovel %ecx,%eax
ret
.size OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
.hidden OPENSSL_ia32cap_P
#endif
|
