1# Test that the DWARF parser assigns the right scope to the 2# variable `b`, which is `local` and not `static`. 3 4# Original test case (for future reference), compiled with: 5# $ clang-10 -g -Og test.c -o test 6# $ cat test.c 7# volatile int a; 8# main() { 9# int b = 3; 10# a; 11# } 12 13# RUN: llvm-mc -triple=x86_64-apple-macosx10.15.0 -filetype=obj %s > %t.o 14# RUN: lldb-test symbols %t.o | FileCheck %s 15 16# CHECK: Variable{{.*}}, name = "b", type = {{.*}} (int), scope = local 17 18 .section __TEXT,__text,regular,pure_instructions 19 .macosx_version_min 10, 15 20 .file 1 "/Users/davide/work/build/bin" "a.c" 21 .globl _main ## -- Begin function main 22 .p2align 4, 0x90 23_main: ## @main 24Lfunc_begin0: 25 .loc 1 2 0 ## a.c:2:0 26 .cfi_startproc 27## %bb.0: 28 pushq %rbp 29 .cfi_def_cfa_offset 16 30 .cfi_offset %rbp, -16 31 movq %rsp, %rbp 32 .cfi_def_cfa_register %rbp 33Ltmp0: 34 ##DEBUG_VALUE: b <- 3 35 .loc 1 5 9 prologue_end ## a.c:5:9 36 movl _a(%rip), %eax 37Ltmp1: 38 .loc 1 7 5 ## a.c:7:5 39 xorl %eax, %eax 40 popq %rbp 41 retq 42Ltmp2: 43Lfunc_end0: 44 .cfi_endproc 45 ## -- End function 46 .globl _a ## @a 47.zerofill __DATA,__common,_a,4,2 48 .section __DWARF,__debug_abbrev,regular,debug 49Lsection_abbrev: 50 .byte 1 ## Abbreviation Code 51 .byte 17 ## DW_TAG_compile_unit 52 .byte 1 ## DW_CHILDREN_yes 53 .byte 37 ## DW_AT_producer 54 .byte 14 ## DW_FORM_strp 55 .byte 19 ## DW_AT_language 56 .byte 5 ## DW_FORM_data2 57 .byte 3 ## DW_AT_name 58 .byte 14 ## DW_FORM_strp 59 .ascii "\202|" ## DW_AT_LLVM_sysroot 60 .byte 14 ## DW_FORM_strp 61 .byte 16 ## DW_AT_stmt_list 62 .byte 23 ## DW_FORM_sec_offset 63 .byte 27 ## DW_AT_comp_dir 64 .byte 14 ## DW_FORM_strp 65 .ascii "\341\177" ## DW_AT_APPLE_optimized 66 .byte 25 ## DW_FORM_flag_present 67 .byte 17 ## DW_AT_low_pc 68 .byte 1 ## DW_FORM_addr 69 .byte 18 ## DW_AT_high_pc 70 .byte 6 ## DW_FORM_data4 71 .byte 0 ## EOM(1) 72 .byte 0 ## EOM(2) 73 .byte 2 ## Abbreviation Code 74 .byte 52 ## DW_TAG_variable 75 .byte 0 ## DW_CHILDREN_no 76 .byte 3 ## DW_AT_name 77 .byte 14 ## DW_FORM_strp 78 .byte 73 ## DW_AT_type 79 .byte 19 ## DW_FORM_ref4 80 .byte 63 ## DW_AT_external 81 .byte 25 ## DW_FORM_flag_present 82 .byte 58 ## DW_AT_decl_file 83 .byte 11 ## DW_FORM_data1 84 .byte 59 ## DW_AT_decl_line 85 .byte 11 ## DW_FORM_data1 86 .byte 2 ## DW_AT_location 87 .byte 24 ## DW_FORM_exprloc 88 .byte 0 ## EOM(1) 89 .byte 0 ## EOM(2) 90 .byte 3 ## Abbreviation Code 91 .byte 53 ## DW_TAG_volatile_type 92 .byte 0 ## DW_CHILDREN_no 93 .byte 73 ## DW_AT_type 94 .byte 19 ## DW_FORM_ref4 95 .byte 0 ## EOM(1) 96 .byte 0 ## EOM(2) 97 .byte 4 ## Abbreviation Code 98 .byte 36 ## DW_TAG_base_type 99 .byte 0 ## DW_CHILDREN_no 100 .byte 3 ## DW_AT_name 101 .byte 14 ## DW_FORM_strp 102 .byte 62 ## DW_AT_encoding 103 .byte 11 ## DW_FORM_data1 104 .byte 11 ## DW_AT_byte_size 105 .byte 11 ## DW_FORM_data1 106 .byte 0 ## EOM(1) 107 .byte 0 ## EOM(2) 108 .byte 5 ## Abbreviation Code 109 .byte 46 ## DW_TAG_subprogram 110 .byte 1 ## DW_CHILDREN_yes 111 .byte 17 ## DW_AT_low_pc 112 .byte 1 ## DW_FORM_addr 113 .byte 18 ## DW_AT_high_pc 114 .byte 6 ## DW_FORM_data4 115 .byte 64 ## DW_AT_frame_base 116 .byte 24 ## DW_FORM_exprloc 117 .byte 122 ## DW_AT_call_all_calls 118 .byte 25 ## DW_FORM_flag_present 119 .byte 3 ## DW_AT_name 120 .byte 14 ## DW_FORM_strp 121 .byte 58 ## DW_AT_decl_file 122 .byte 11 ## DW_FORM_data1 123 .byte 59 ## DW_AT_decl_line 124 .byte 11 ## DW_FORM_data1 125 .byte 73 ## DW_AT_type 126 .byte 19 ## DW_FORM_ref4 127 .byte 63 ## DW_AT_external 128 .byte 25 ## DW_FORM_flag_present 129 .ascii "\341\177" ## DW_AT_APPLE_optimized 130 .byte 25 ## DW_FORM_flag_present 131 .byte 0 ## EOM(1) 132 .byte 0 ## EOM(2) 133 .byte 6 ## Abbreviation Code 134 .byte 11 ## DW_TAG_lexical_block 135 .byte 1 ## DW_CHILDREN_yes 136 .byte 17 ## DW_AT_low_pc 137 .byte 1 ## DW_FORM_addr 138 .byte 18 ## DW_AT_high_pc 139 .byte 6 ## DW_FORM_data4 140 .byte 0 ## EOM(1) 141 .byte 0 ## EOM(2) 142 .byte 7 ## Abbreviation Code 143 .byte 52 ## DW_TAG_variable 144 .byte 0 ## DW_CHILDREN_no 145 .byte 28 ## DW_AT_const_value 146 .byte 13 ## DW_FORM_sdata 147 .byte 3 ## DW_AT_name 148 .byte 14 ## DW_FORM_strp 149 .byte 58 ## DW_AT_decl_file 150 .byte 11 ## DW_FORM_data1 151 .byte 59 ## DW_AT_decl_line 152 .byte 11 ## DW_FORM_data1 153 .byte 73 ## DW_AT_type 154 .byte 19 ## DW_FORM_ref4 155 .byte 0 ## EOM(1) 156 .byte 0 ## EOM(2) 157 .byte 0 ## EOM(3) 158 .section __DWARF,__debug_info,regular,debug 159Lsection_info: 160Lcu_begin0: 161.set Lset0, Ldebug_info_end0-Ldebug_info_start0 ## Length of Unit 162 .long Lset0 163Ldebug_info_start0: 164 .short 4 ## DWARF version number 165.set Lset1, Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section 166 .long Lset1 167 .byte 8 ## Address Size (in bytes) 168 .byte 1 ## Abbrev [1] 0xb:0x79 DW_TAG_compile_unit 169 .long 0 ## DW_AT_producer 170 .short 12 ## DW_AT_language 171 .long 101 ## DW_AT_name 172 .long 105 ## DW_AT_LLVM_sysroot 173.set Lset2, Lline_table_start0-Lsection_line ## DW_AT_stmt_list 174 .long Lset2 175 .long 107 ## DW_AT_comp_dir 176 ## DW_AT_APPLE_optimized 177 .quad Lfunc_begin0 ## DW_AT_low_pc 178.set Lset3, Lfunc_end0-Lfunc_begin0 ## DW_AT_high_pc 179 .long Lset3 180 .byte 2 ## Abbrev [2] 0x2e:0x15 DW_TAG_variable 181 .long 136 ## DW_AT_name 182 .long 67 ## DW_AT_type 183 ## DW_AT_external 184 .byte 1 ## DW_AT_decl_file 185 .byte 1 ## DW_AT_decl_line 186 .byte 9 ## DW_AT_location 187 .byte 3 188 .quad _a 189 .byte 3 ## Abbrev [3] 0x43:0x5 DW_TAG_volatile_type 190 .long 72 ## DW_AT_type 191 .byte 4 ## Abbrev [4] 0x48:0x7 DW_TAG_base_type 192 .long 138 ## DW_AT_name 193 .byte 5 ## DW_AT_encoding 194 .byte 4 ## DW_AT_byte_size 195 .byte 5 ## Abbrev [5] 0x4f:0x34 DW_TAG_subprogram 196 .quad Lfunc_begin0 ## DW_AT_low_pc 197.set Lset4, Lfunc_end0-Lfunc_begin0 ## DW_AT_high_pc 198 .long Lset4 199 .byte 1 ## DW_AT_frame_base 200 .byte 86 201 ## DW_AT_call_all_calls 202 .long 142 ## DW_AT_name 203 .byte 1 ## DW_AT_decl_file 204 .byte 2 ## DW_AT_decl_line 205 .long 72 ## DW_AT_type 206 ## DW_AT_external 207 ## DW_AT_APPLE_optimized 208 .byte 6 ## Abbrev [6] 0x68:0x1a DW_TAG_lexical_block 209 .quad Ltmp0 ## DW_AT_low_pc 210.set Lset5, Ltmp1-Ltmp0 ## DW_AT_high_pc 211 .long Lset5 212 .byte 7 ## Abbrev [7] 0x75:0xc DW_TAG_variable 213 .byte 3 ## DW_AT_const_value 214 .long 147 ## DW_AT_name 215 .byte 1 ## DW_AT_decl_file 216 .byte 4 ## DW_AT_decl_line 217 .long 72 ## DW_AT_type 218 .byte 0 ## End Of Children Mark 219 .byte 0 ## End Of Children Mark 220 .byte 0 ## End Of Children Mark 221Ldebug_info_end0: 222 .section __DWARF,__debug_str,regular,debug 223Linfo_string: 224 .asciz "clang version 11.0.0 (https://github.com/llvm/llvm-project f30ebf437851d3c68fd0eee82afbc0cef7373c00)" ## string offset=0 225 .asciz "a.c" ## string offset=101 226 .asciz "/" ## string offset=105 227 .asciz "/Users/davide/work/build/bin" ## string offset=107 228 .asciz "a" ## string offset=136 229 .asciz "int" ## string offset=138 230 .asciz "main" ## string offset=142 231 .asciz "b" ## string offset=147 232 .section __DWARF,__apple_names,regular,debug 233Lnames_begin: 234 .long 1212240712 ## Header Magic 235 .short 1 ## Header Version 236 .short 0 ## Header Hash Function 237 .long 2 ## Header Bucket Count 238 .long 2 ## Header Hash Count 239 .long 12 ## Header Data Length 240 .long 0 ## HeaderData Die Offset Base 241 .long 1 ## HeaderData Atom Count 242 .short 1 ## DW_ATOM_die_offset 243 .short 6 ## DW_FORM_data4 244 .long 0 ## Bucket 0 245 .long -1 ## Bucket 1 246 .long 177670 ## Hash in Bucket 0 247 .long 2090499946 ## Hash in Bucket 0 248.set Lset6, LNames0-Lnames_begin ## Offset in Bucket 0 249 .long Lset6 250.set Lset7, LNames1-Lnames_begin ## Offset in Bucket 0 251 .long Lset7 252LNames0: 253 .long 136 ## a 254 .long 1 ## Num DIEs 255 .long 46 256 .long 0 257LNames1: 258 .long 142 ## main 259 .long 1 ## Num DIEs 260 .long 79 261 .long 0 262 .section __DWARF,__apple_objc,regular,debug 263Lobjc_begin: 264 .long 1212240712 ## Header Magic 265 .short 1 ## Header Version 266 .short 0 ## Header Hash Function 267 .long 1 ## Header Bucket Count 268 .long 0 ## Header Hash Count 269 .long 12 ## Header Data Length 270 .long 0 ## HeaderData Die Offset Base 271 .long 1 ## HeaderData Atom Count 272 .short 1 ## DW_ATOM_die_offset 273 .short 6 ## DW_FORM_data4 274 .long -1 ## Bucket 0 275 .section __DWARF,__apple_namespac,regular,debug 276Lnamespac_begin: 277 .long 1212240712 ## Header Magic 278 .short 1 ## Header Version 279 .short 0 ## Header Hash Function 280 .long 1 ## Header Bucket Count 281 .long 0 ## Header Hash Count 282 .long 12 ## Header Data Length 283 .long 0 ## HeaderData Die Offset Base 284 .long 1 ## HeaderData Atom Count 285 .short 1 ## DW_ATOM_die_offset 286 .short 6 ## DW_FORM_data4 287 .long -1 ## Bucket 0 288 .section __DWARF,__apple_types,regular,debug 289Ltypes_begin: 290 .long 1212240712 ## Header Magic 291 .short 1 ## Header Version 292 .short 0 ## Header Hash Function 293 .long 1 ## Header Bucket Count 294 .long 1 ## Header Hash Count 295 .long 20 ## Header Data Length 296 .long 0 ## HeaderData Die Offset Base 297 .long 3 ## HeaderData Atom Count 298 .short 1 ## DW_ATOM_die_offset 299 .short 6 ## DW_FORM_data4 300 .short 3 ## DW_ATOM_die_tag 301 .short 5 ## DW_FORM_data2 302 .short 4 ## DW_ATOM_type_flags 303 .short 11 ## DW_FORM_data1 304 .long 0 ## Bucket 0 305 .long 193495088 ## Hash in Bucket 0 306.set Lset8, Ltypes0-Ltypes_begin ## Offset in Bucket 0 307 .long Lset8 308Ltypes0: 309 .long 138 ## int 310 .long 1 ## Num DIEs 311 .long 72 312 .short 36 313 .byte 0 314 .long 0 315.subsections_via_symbols 316 .section __DWARF,__debug_line,regular,debug 317Lsection_line: 318Lline_table_start0: 319