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
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
|
.file "exc_args.cpp"
.text
.globl _Z3fooiiiiiiii
.type _Z3fooiiiiiiii, @function
_Z3fooiiiiiiii:
.LFB15:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $32, %rsp
movl %edi, -4(%rbp)
movl %esi, -8(%rbp)
movl %edx, -12(%rbp)
movl %ecx, -16(%rbp)
movl %r8d, -20(%rbp)
movl %r9d, -24(%rbp)
cmpl $1, -4(%rbp)
jle .L2
movl $1, %edi
call __cxa_allocate_exception
movl $0, %edx
movl $_ZTI4ExcG, %esi
movq %rax, %rdi
call __cxa_throw
.L2:
movl $1, %edi
call __cxa_allocate_exception
movl $0, %edx
movl $_ZTI4ExcC, %esi
movq %rax, %rdi
call __cxa_throw
.cfi_endproc
.LFE15:
.size _Z3fooiiiiiiii, .-_Z3fooiiiiiiii
.globl _Z11filter_onlyi
.type _Z11filter_onlyi, @function
_Z11filter_onlyi:
.LFB16:
.cfi_startproc
.cfi_personality 0x3,__gxx_personality_v0
.cfi_lsda 0x3,.LLSDA16
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
movl %edi, -4(%rbp)
movl -4(%rbp), %eax
pushq $7
pushq $6
movl $5, %r9d
movl $4, %r8d
movl $3, %ecx
movl $2, %edx
movl $1, %esi
movl %eax, %edi
.LEHB0:
.cfi_escape 0x2e,0x10
call _Z3fooiiiiiiii
.LEHE0:
addq $16, %rsp
jmp .L7
.L6:
cmpq $-1, %rdx
je .L5
movq %rax, %rdi
.LEHB1:
call _Unwind_Resume
.L5:
movq %rax, %rdi
call __cxa_call_unexpected
.LEHE1:
.L7:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE16:
.globl __gxx_personality_v0
.section .gcc_except_table,"a",@progbits
.align 4
.LLSDA16:
.byte 0xff
.byte 0x3
.uleb128 .LLSDATT16-.LLSDATTD16
.LLSDATTD16:
.byte 0x1
.uleb128 .LLSDACSE16-.LLSDACSB16
.LLSDACSB16:
.uleb128 .LEHB0-.LFB16
.uleb128 .LEHE0-.LEHB0
.uleb128 .L6-.LFB16
.uleb128 0x1
.uleb128 .LEHB1-.LFB16
.uleb128 .LEHE1-.LEHB1
.uleb128 0
.uleb128 0
.LLSDACSE16:
.byte 0x7f
.byte 0
.align 4
.long _ZTI4ExcA
.long _ZTI4ExcB
.long _ZTI4ExcC
.long _ZTI4ExcD
.long _ZTI4ExcE
.long _ZTI4ExcF
.LLSDATT16:
.byte 0x1
.byte 0x2
.byte 0x3
.byte 0x4
.byte 0x5
.byte 0x6
.byte 0
.text
.size _Z11filter_onlyi, .-_Z11filter_onlyi
.section .rodata
.align 8
.LC0:
.string "this statement is cold and should be outlined"
.text
.globl _Z12never_throwsv
.type _Z12never_throwsv, @function
_Z12never_throwsv:
.LFB17:
.cfi_startproc
.cfi_personality 0x3,__gxx_personality_v0
.cfi_lsda 0x3,.LLSDA17
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movl $.LC0, %edi
.LEHB2:
call puts
.LEHE2:
jmp .L12
.L11:
cmpq $-1, %rdx
je .L10
movq %rax, %rdi
.LEHB3:
call _Unwind_Resume
.L10:
movq %rax, %rdi
call __cxa_call_unexpected
.LEHE3:
.L12:
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE17:
.section .gcc_except_table,"a",@progbits
.align 4
.LLSDA17:
.byte 0xff
.byte 0x3
.uleb128 .LLSDATT17-.LLSDATTD17
.LLSDATTD17:
.byte 0x1
.uleb128 .LLSDACSE17-.LLSDACSB17
.LLSDACSB17:
.uleb128 .LEHB2-.LFB17
.uleb128 .LEHE2-.LEHB2
.uleb128 .L11-.LFB17
.uleb128 0x1
.uleb128 .LEHB3-.LFB17
.uleb128 .LEHE3-.LEHB3
.uleb128 0
.uleb128 0
.LLSDACSE17:
.byte 0x7f
.byte 0
.align 4
.LLSDATT17:
.byte 0
.text
.size _Z12never_throwsv, .-_Z12never_throwsv
.section .rodata
.LC1:
.string "caught exception"
.LC2:
.string "caught ExcC"
.text
.globl main
.type main, @function
main:
.LFB18:
.cfi_startproc
.cfi_personality 0x3,__gxx_personality_v0
.cfi_lsda 0x3,.LLSDA18
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
pushq %rbx
subq $40, %rsp
.cfi_offset 3, -24
movl %edi, -36(%rbp)
movq %rsi, -48(%rbp)
movl $1768710518, -26(%rbp)
movw $100, -22(%rbp)
movl $0, -20(%rbp)
.L17:
cmpl $999999, -20(%rbp)
ja .L14
cmpl $2, -36(%rbp)
jne .L15
call _Z12never_throwsv
.L15:
cmpl $2, -36(%rbp)
jne .L16
movl -36(%rbp), %eax
movl %eax, %edi
.LEHB4:
call _Z11filter_onlyi
.LEHE4:
.L16:
movl -36(%rbp), %eax
pushq $7
pushq $6
movl $5, %r9d
movl $4, %r8d
movl $3, %ecx
movl $2, %edx
movl $1, %esi
movl %eax, %edi
.LEHB5:
.cfi_escape 0x2e,0x10
call _Z3fooiiiiiiii
.LEHE5:
addq $16, %rsp
.L25:
addl $1, -20(%rbp)
jmp .L17
.L14:
movl $0, %eax
jmp .L31
.L27:
movq %rax, %rdi
call __cxa_begin_catch
movl $.LC1, %edi
movl $0, %eax
.LEHB6:
.cfi_escape 0x2e,0
call printf
.LEHE6:
.LEHB7:
call __cxa_end_catch
.LEHE7:
jmp .L16
.L28:
movq %rax, %rbx
call __cxa_end_catch
movq %rbx, %rax
movq %rax, %rdi
.LEHB8:
call _Unwind_Resume
.L29:
cmpq $2, %rdx
je .L22
movq %rax, %rdi
call _Unwind_Resume
.LEHE8:
.L22:
movq %rax, %rdi
call __cxa_begin_catch
movzbl -26(%rbp), %eax
cmpb $118, %al
je .L23
call abort
.L23:
movzbl -25(%rbp), %eax
cmpb $97, %al
je .L24
call abort
.L24:
movl $.LC2, %edi
.LEHB9:
call puts
.LEHE9:
call __cxa_end_catch
jmp .L25
.L30:
movq %rax, %rbx
call __cxa_end_catch
movq %rbx, %rax
movq %rax, %rdi
.LEHB10:
call _Unwind_Resume
.LEHE10:
.L31:
movq -8(%rbp), %rbx
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE18:
.section .gcc_except_table,"a",@progbits
.align 4
.LLSDA18:
.byte 0xff
.byte 0x3
.uleb128 .LLSDATT18-.LLSDATTD18
.LLSDATTD18:
.byte 0x1
.uleb128 .LLSDACSE18-.LLSDACSB18
.LLSDACSB18:
.uleb128 .LEHB4-.LFB18
.uleb128 .LEHE4-.LEHB4
.uleb128 .L27-.LFB18
.uleb128 0x1
.uleb128 .LEHB5-.LFB18
.uleb128 .LEHE5-.LEHB5
.uleb128 .L29-.LFB18
.uleb128 0x3
.uleb128 .LEHB6-.LFB18
.uleb128 .LEHE6-.LEHB6
.uleb128 .L28-.LFB18
.uleb128 0
.uleb128 .LEHB7-.LFB18
.uleb128 .LEHE7-.LEHB7
.uleb128 0
.uleb128 0
.uleb128 .LEHB8-.LFB18
.uleb128 .LEHE8-.LEHB8
.uleb128 0
.uleb128 0
.uleb128 .LEHB9-.LFB18
.uleb128 .LEHE9-.LEHB9
.uleb128 .L30-.LFB18
.uleb128 0
.uleb128 .LEHB10-.LFB18
.uleb128 .LEHE10-.LEHB10
.uleb128 0
.uleb128 0
.LLSDACSE18:
.byte 0x1
.byte 0
.byte 0x2
.byte 0
.align 4
.long _ZTI4ExcC
.long 0
.LLSDATT18:
.text
.size main, .-main
.weak _ZTI4ExcF
.section .rodata._ZTI4ExcF,"aG",@progbits,_ZTI4ExcF,comdat
.align 8
.type _ZTI4ExcF, @object
.size _ZTI4ExcF, 16
_ZTI4ExcF:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcF
.weak _ZTS4ExcF
.section .rodata._ZTS4ExcF,"aG",@progbits,_ZTS4ExcF,comdat
.type _ZTS4ExcF, @object
.size _ZTS4ExcF, 6
_ZTS4ExcF:
.string "4ExcF"
.weak _ZTI4ExcE
.section .rodata._ZTI4ExcE,"aG",@progbits,_ZTI4ExcE,comdat
.align 8
.type _ZTI4ExcE, @object
.size _ZTI4ExcE, 16
_ZTI4ExcE:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcE
.weak _ZTS4ExcE
.section .rodata._ZTS4ExcE,"aG",@progbits,_ZTS4ExcE,comdat
.type _ZTS4ExcE, @object
.size _ZTS4ExcE, 6
_ZTS4ExcE:
.string "4ExcE"
.weak _ZTI4ExcD
.section .rodata._ZTI4ExcD,"aG",@progbits,_ZTI4ExcD,comdat
.align 8
.type _ZTI4ExcD, @object
.size _ZTI4ExcD, 16
_ZTI4ExcD:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcD
.weak _ZTS4ExcD
.section .rodata._ZTS4ExcD,"aG",@progbits,_ZTS4ExcD,comdat
.type _ZTS4ExcD, @object
.size _ZTS4ExcD, 6
_ZTS4ExcD:
.string "4ExcD"
.weak _ZTI4ExcB
.section .rodata._ZTI4ExcB,"aG",@progbits,_ZTI4ExcB,comdat
.align 8
.type _ZTI4ExcB, @object
.size _ZTI4ExcB, 16
_ZTI4ExcB:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcB
.weak _ZTS4ExcB
.section .rodata._ZTS4ExcB,"aG",@progbits,_ZTS4ExcB,comdat
.type _ZTS4ExcB, @object
.size _ZTS4ExcB, 6
_ZTS4ExcB:
.string "4ExcB"
.weak _ZTI4ExcA
.section .rodata._ZTI4ExcA,"aG",@progbits,_ZTI4ExcA,comdat
.align 8
.type _ZTI4ExcA, @object
.size _ZTI4ExcA, 16
_ZTI4ExcA:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcA
.weak _ZTS4ExcA
.section .rodata._ZTS4ExcA,"aG",@progbits,_ZTS4ExcA,comdat
.type _ZTS4ExcA, @object
.size _ZTS4ExcA, 6
_ZTS4ExcA:
.string "4ExcA"
.weak _ZTI4ExcC
.section .rodata._ZTI4ExcC,"aG",@progbits,_ZTI4ExcC,comdat
.align 8
.type _ZTI4ExcC, @object
.size _ZTI4ExcC, 16
_ZTI4ExcC:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcC
.weak _ZTS4ExcC
.section .rodata._ZTS4ExcC,"aG",@progbits,_ZTS4ExcC,comdat
.type _ZTS4ExcC, @object
.size _ZTS4ExcC, 6
_ZTS4ExcC:
.string "4ExcC"
.weak _ZTI4ExcG
.section .rodata._ZTI4ExcG,"aG",@progbits,_ZTI4ExcG,comdat
.align 8
.type _ZTI4ExcG, @object
.size _ZTI4ExcG, 16
_ZTI4ExcG:
.quad _ZTVN10__cxxabiv117__class_type_infoE+16
.quad _ZTS4ExcG
.weak _ZTS4ExcG
.section .rodata._ZTS4ExcG,"aG",@progbits,_ZTS4ExcG,comdat
.type _ZTS4ExcG, @object
.size _ZTS4ExcG, 6
_ZTS4ExcG:
.string "4ExcG"
.ident "GCC: (GNU) 8.5.0 20210514 (Red Hat 8.5.0-3)"
.section .note.GNU-stack,"",@progbits
|
