formclass2.s
13 KB
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
# Source:
# struct e {
# char f[16384];
# char g;
# };
# e foo() {
# auto E = new e;
# return *E;
# }
# Compile with:
# clang -O2 -gdwarf-2 -S a.cpp -o a2.s
# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o %t.o
# RUN: llvm-dwarfdump -debug-info -name g %t.o | FileCheck %s
# CHECK: DW_TAG_member
# CHECK: DW_AT_name ("g")
# CHECK: DW_AT_data_member_location (DW_OP_plus_uconst 0x4000)
.section __TEXT,__text,regular,pure_instructions
.macosx_version_min 10, 14
.globl __Z3foov ## -- Begin function _Z3foov
.p2align 4, 0x90
__Z3foov: ## @_Z3foov
Lfunc_begin0:
.file 1 "/private/tmp" "a.cpp"
.loc 1 5 0 ## a.cpp:5:0
.cfi_startproc
## %bb.0: ## %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
pushq %rbx
pushq %rax
.cfi_offset %rbx, -24
movq %rdi, %rbx
Ltmp0:
.loc 1 6 12 prologue_end ## a.cpp:6:12
movl $16385, %edi ## imm = 0x4001
callq __Znwm
Ltmp1:
##DEBUG_VALUE: foo:E <- $rax
.loc 1 7 10 ## a.cpp:7:10
movl $16385, %edx ## imm = 0x4001
movq %rbx, %rdi
movq %rax, %rsi
callq _memcpy
Ltmp2:
.loc 1 8 1 ## a.cpp:8:1
movq %rbx, %rax
addq $8, %rsp
popq %rbx
popq %rbp
retq
Ltmp3:
Lfunc_end0:
.cfi_endproc
## -- End function
.section __DWARF,__debug_str,regular,debug
Linfo_string:
.asciz "clang version 9.0.0 (git@github.com:llvm/llvm-project.git 10de39548976ae224709acdc1c337e33cf12f3c0)" ## string offset=0
.asciz "a.cpp" ## string offset=100
.asciz "/private/tmp" ## string offset=106
.asciz "foo" ## string offset=119
.asciz "_Z3foov" ## string offset=123
.asciz "e" ## string offset=131
.asciz "f" ## string offset=133
.asciz "char" ## string offset=135
.asciz "__ARRAY_SIZE_TYPE__" ## string offset=140
.asciz "g" ## string offset=160
.asciz "E" ## string offset=162
.section __DWARF,__debug_loc,regular,debug
Lsection_debug_loc:
Ldebug_loc0:
.set Lset0, Ltmp1-Lfunc_begin0
.quad Lset0
.set Lset1, Ltmp2-Lfunc_begin0
.quad Lset1
.short 1 ## Loc expr size
.byte 80 ## DW_OP_reg0
.quad 0
.quad 0
.section __DWARF,__debug_abbrev,regular,debug
Lsection_abbrev:
.byte 1 ## Abbreviation Code
.byte 17 ## DW_TAG_compile_unit
.byte 1 ## DW_CHILDREN_yes
.byte 37 ## DW_AT_producer
.byte 14 ## DW_FORM_strp
.byte 19 ## DW_AT_language
.byte 5 ## DW_FORM_data2
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 16 ## DW_AT_stmt_list
.byte 6 ## DW_FORM_data4
.byte 27 ## DW_AT_comp_dir
.byte 14 ## DW_FORM_strp
.ascii "\264B" ## DW_AT_GNU_pubnames
.byte 12 ## DW_FORM_flag
.ascii "\341\177" ## DW_AT_APPLE_optimized
.byte 12 ## DW_FORM_flag
.byte 17 ## DW_AT_low_pc
.byte 1 ## DW_FORM_addr
.byte 18 ## DW_AT_high_pc
.byte 1 ## DW_FORM_addr
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 2 ## Abbreviation Code
.byte 46 ## DW_TAG_subprogram
.byte 1 ## DW_CHILDREN_yes
.byte 17 ## DW_AT_low_pc
.byte 1 ## DW_FORM_addr
.byte 18 ## DW_AT_high_pc
.byte 1 ## DW_FORM_addr
.byte 64 ## DW_AT_frame_base
.byte 10 ## DW_FORM_block1
.ascii "\207@" ## DW_AT_MIPS_linkage_name
.byte 14 ## DW_FORM_strp
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 58 ## DW_AT_decl_file
.byte 11 ## DW_FORM_data1
.byte 59 ## DW_AT_decl_line
.byte 11 ## DW_FORM_data1
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 63 ## DW_AT_external
.byte 12 ## DW_FORM_flag
.ascii "\341\177" ## DW_AT_APPLE_optimized
.byte 12 ## DW_FORM_flag
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 3 ## Abbreviation Code
.byte 52 ## DW_TAG_variable
.byte 0 ## DW_CHILDREN_no
.byte 2 ## DW_AT_location
.byte 6 ## DW_FORM_data4
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 58 ## DW_AT_decl_file
.byte 11 ## DW_FORM_data1
.byte 59 ## DW_AT_decl_line
.byte 11 ## DW_FORM_data1
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 4 ## Abbreviation Code
.byte 19 ## DW_TAG_structure_type
.byte 1 ## DW_CHILDREN_yes
.byte 54 ## DW_AT_calling_convention
.byte 11 ## DW_FORM_data1
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 11 ## DW_AT_byte_size
.byte 5 ## DW_FORM_data2
.byte 58 ## DW_AT_decl_file
.byte 11 ## DW_FORM_data1
.byte 59 ## DW_AT_decl_line
.byte 11 ## DW_FORM_data1
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 5 ## Abbreviation Code
.byte 13 ## DW_TAG_member
.byte 0 ## DW_CHILDREN_no
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 58 ## DW_AT_decl_file
.byte 11 ## DW_FORM_data1
.byte 59 ## DW_AT_decl_line
.byte 11 ## DW_FORM_data1
.byte 56 ## DW_AT_data_member_location
.byte 10 ## DW_FORM_block1
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 6 ## Abbreviation Code
.byte 1 ## DW_TAG_array_type
.byte 1 ## DW_CHILDREN_yes
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 7 ## Abbreviation Code
.byte 33 ## DW_TAG_subrange_type
.byte 0 ## DW_CHILDREN_no
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 55 ## DW_AT_count
.byte 5 ## DW_FORM_data2
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 8 ## Abbreviation Code
.byte 36 ## DW_TAG_base_type
.byte 0 ## DW_CHILDREN_no
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 62 ## DW_AT_encoding
.byte 11 ## DW_FORM_data1
.byte 11 ## DW_AT_byte_size
.byte 11 ## DW_FORM_data1
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 9 ## Abbreviation Code
.byte 36 ## DW_TAG_base_type
.byte 0 ## DW_CHILDREN_no
.byte 3 ## DW_AT_name
.byte 14 ## DW_FORM_strp
.byte 11 ## DW_AT_byte_size
.byte 11 ## DW_FORM_data1
.byte 62 ## DW_AT_encoding
.byte 11 ## DW_FORM_data1
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 10 ## Abbreviation Code
.byte 15 ## DW_TAG_pointer_type
.byte 0 ## DW_CHILDREN_no
.byte 73 ## DW_AT_type
.byte 19 ## DW_FORM_ref4
.byte 0 ## EOM(1)
.byte 0 ## EOM(2)
.byte 0 ## EOM(3)
.section __DWARF,__debug_info,regular,debug
Lsection_info:
Lcu_begin0:
.set Lset2, Ldebug_info_end0-Ldebug_info_start0 ## Length of Unit
.long Lset2
Ldebug_info_start0:
.short 2 ## DWARF version number
.set Lset3, Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
.long Lset3
.byte 8 ## Address Size (in bytes)
.byte 1 ## Abbrev [1] 0xb:0xa2 DW_TAG_compile_unit
.long 0 ## DW_AT_producer
.short 4 ## DW_AT_language
.long 100 ## DW_AT_name
.set Lset4, Lline_table_start0-Lsection_line ## DW_AT_stmt_list
.long Lset4
.long 106 ## DW_AT_comp_dir
.byte 1 ## DW_AT_GNU_pubnames
.byte 1 ## DW_AT_APPLE_optimized
.quad Lfunc_begin0 ## DW_AT_low_pc
.quad Lfunc_end0 ## DW_AT_high_pc
.byte 2 ## Abbrev [2] 0x30:0x33 DW_TAG_subprogram
.quad Lfunc_begin0 ## DW_AT_low_pc
.quad Lfunc_end0 ## DW_AT_high_pc
.byte 1 ## DW_AT_frame_base
.byte 86
.long 123 ## DW_AT_MIPS_linkage_name
.long 119 ## DW_AT_name
.byte 1 ## DW_AT_decl_file
.byte 5 ## DW_AT_decl_line
.long 99 ## DW_AT_type
.byte 1 ## DW_AT_external
.byte 1 ## DW_AT_APPLE_optimized
.byte 3 ## Abbrev [3] 0x53:0xf DW_TAG_variable
.set Lset5, Ldebug_loc0-Lsection_debug_loc ## DW_AT_location
.long Lset5
.long 162 ## DW_AT_name
.byte 1 ## DW_AT_decl_file
.byte 6 ## DW_AT_decl_line
.long 167 ## DW_AT_type
.byte 0 ## End Of Children Mark
.byte 4 ## Abbrev [4] 0x63:0x29 DW_TAG_structure_type
.byte 5 ## DW_AT_calling_convention
.long 131 ## DW_AT_name
.short 16385 ## DW_AT_byte_size
.byte 1 ## DW_AT_decl_file
.byte 1 ## DW_AT_decl_line
.byte 5 ## Abbrev [5] 0x6d:0xe DW_TAG_member
.long 133 ## DW_AT_name
.long 140 ## DW_AT_type
.byte 1 ## DW_AT_decl_file
.byte 2 ## DW_AT_decl_line
.byte 2 ## DW_AT_data_member_location
.byte 35
.byte 0
.byte 5 ## Abbrev [5] 0x7b:0x10 DW_TAG_member
.long 160 ## DW_AT_name
.long 153 ## DW_AT_type
.byte 1 ## DW_AT_decl_file
.byte 3 ## DW_AT_decl_line
.byte 4 ## DW_AT_data_member_location
.byte 35
.ascii "\200\200\001"
.byte 0 ## End Of Children Mark
.byte 6 ## Abbrev [6] 0x8c:0xd DW_TAG_array_type
.long 153 ## DW_AT_type
.byte 7 ## Abbrev [7] 0x91:0x7 DW_TAG_subrange_type
.long 160 ## DW_AT_type
.short 16384 ## DW_AT_count
.byte 0 ## End Of Children Mark
.byte 8 ## Abbrev [8] 0x99:0x7 DW_TAG_base_type
.long 135 ## DW_AT_name
.byte 6 ## DW_AT_encoding
.byte 1 ## DW_AT_byte_size
.byte 9 ## Abbrev [9] 0xa0:0x7 DW_TAG_base_type
.long 140 ## DW_AT_name
.byte 8 ## DW_AT_byte_size
.byte 7 ## DW_AT_encoding
.byte 10 ## Abbrev [10] 0xa7:0x5 DW_TAG_pointer_type
.long 99 ## DW_AT_type
.byte 0 ## End Of Children Mark
Ldebug_info_end0:
.section __DWARF,__debug_macinfo,regular,debug
Ldebug_macinfo:
.byte 0 ## End Of Macro List Mark
.subsections_via_symbols
.section __DWARF,__debug_line,regular,debug
Lsection_line:
Lline_table_start0: