1*53a483ceSzhuna# Note: This file is compiled from the following code, for 2*53a483ceSzhuna# the purpose of creating an overflowed dwo section. 3*53a483ceSzhuna# The code is not further modified after being compiled. 4*53a483ceSzhuna# 5*53a483ceSzhuna# clang -g -S -gsplit-dwarf -gdwarf-5 main.c 6*53a483ceSzhuna# 7*53a483ceSzhuna# #include <stdio.h> 8*53a483ceSzhuna# 9*53a483ceSzhuna# void hello(); 10*53a483ceSzhuna# 11*53a483ceSzhuna# int main() { 12*53a483ceSzhuna# hello(); 13*53a483ceSzhuna# return 0; 14*53a483ceSzhuna# } 15*53a483ceSzhuna 16*53a483ceSzhuna .text 17*53a483ceSzhuna .file "main.c" 18*53a483ceSzhuna .globl main # -- Begin function main 19*53a483ceSzhuna .p2align 4, 0x90 20*53a483ceSzhuna .type main,@function 21*53a483ceSzhunamain: # @main 22*53a483ceSzhuna.Lfunc_begin0: 23*53a483ceSzhuna .file 0 "/xxxx/xxxxxxxxxx/xxxxxxxx/hello" "main.c" md5 0x77ee8a574e83e137b0f31f877848b7ec 24*53a483ceSzhuna .loc 0 5 0 # main.c:5:0 25*53a483ceSzhuna .cfi_startproc 26*53a483ceSzhuna# %bb.0: # %entry 27*53a483ceSzhuna pushq %rbp 28*53a483ceSzhuna .cfi_def_cfa_offset 16 29*53a483ceSzhuna .cfi_offset %rbp, -16 30*53a483ceSzhuna movq %rsp, %rbp 31*53a483ceSzhuna .cfi_def_cfa_register %rbp 32*53a483ceSzhuna subq $16, %rsp 33*53a483ceSzhuna movl $0, -4(%rbp) 34*53a483ceSzhuna.Ltmp0: 35*53a483ceSzhuna .loc 0 6 5 prologue_end # main.c:6:5 36*53a483ceSzhuna movb $0, %al 37*53a483ceSzhuna callq hello 38*53a483ceSzhuna xorl %eax, %eax 39*53a483ceSzhuna .loc 0 7 5 # main.c:7:5 40*53a483ceSzhuna addq $16, %rsp 41*53a483ceSzhuna popq %rbp 42*53a483ceSzhuna .cfi_def_cfa %rsp, 8 43*53a483ceSzhuna retq 44*53a483ceSzhuna.Ltmp1: 45*53a483ceSzhuna.Lfunc_end0: 46*53a483ceSzhuna .size main, .Lfunc_end0-main 47*53a483ceSzhuna .cfi_endproc 48*53a483ceSzhuna # -- End function 49*53a483ceSzhuna .section .debug_abbrev,"",@progbits 50*53a483ceSzhuna .byte 1 # Abbreviation Code 51*53a483ceSzhuna .byte 74 # DW_TAG_skeleton_unit 52*53a483ceSzhuna .byte 0 # DW_CHILDREN_no 53*53a483ceSzhuna .byte 16 # DW_AT_stmt_list 54*53a483ceSzhuna .byte 23 # DW_FORM_sec_offset 55*53a483ceSzhuna .byte 114 # DW_AT_str_offsets_base 56*53a483ceSzhuna .byte 23 # DW_FORM_sec_offset 57*53a483ceSzhuna .byte 27 # DW_AT_comp_dir 58*53a483ceSzhuna .byte 37 # DW_FORM_strx1 59*53a483ceSzhuna .ascii "\264B" # DW_AT_GNU_pubnames 60*53a483ceSzhuna .byte 25 # DW_FORM_flag_present 61*53a483ceSzhuna .byte 118 # DW_AT_dwo_name 62*53a483ceSzhuna .byte 37 # DW_FORM_strx1 63*53a483ceSzhuna .byte 17 # DW_AT_low_pc 64*53a483ceSzhuna .byte 27 # DW_FORM_addrx 65*53a483ceSzhuna .byte 18 # DW_AT_high_pc 66*53a483ceSzhuna .byte 6 # DW_FORM_data4 67*53a483ceSzhuna .byte 115 # DW_AT_addr_base 68*53a483ceSzhuna .byte 23 # DW_FORM_sec_offset 69*53a483ceSzhuna .byte 0 # EOM(1) 70*53a483ceSzhuna .byte 0 # EOM(2) 71*53a483ceSzhuna .byte 0 # EOM(3) 72*53a483ceSzhuna .section .debug_info,"",@progbits 73*53a483ceSzhuna.Lcu_begin0: 74*53a483ceSzhuna .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 75*53a483ceSzhuna.Ldebug_info_start0: 76*53a483ceSzhuna .short 5 # DWARF version number 77*53a483ceSzhuna .byte 4 # DWARF Unit Type 78*53a483ceSzhuna .byte 8 # Address Size (in bytes) 79*53a483ceSzhuna .long .debug_abbrev # Offset Into Abbrev. Section 80*53a483ceSzhuna .quad -346972125991005518 81*53a483ceSzhuna .byte 1 # Abbrev [1] 0x14:0x14 DW_TAG_skeleton_unit 82*53a483ceSzhuna .long .Lline_table_start0 # DW_AT_stmt_list 83*53a483ceSzhuna .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 84*53a483ceSzhuna .byte 0 # DW_AT_comp_dir 85*53a483ceSzhuna # DW_AT_GNU_pubnames 86*53a483ceSzhuna .byte 1 # DW_AT_dwo_name 87*53a483ceSzhuna .byte 0 # DW_AT_low_pc 88*53a483ceSzhuna .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 89*53a483ceSzhuna .long .Laddr_table_base0 # DW_AT_addr_base 90*53a483ceSzhuna.Ldebug_info_end0: 91*53a483ceSzhuna .section .debug_str_offsets,"",@progbits 92*53a483ceSzhuna .long 12 93*53a483ceSzhuna .short 5 94*53a483ceSzhuna .short 0 95*53a483ceSzhuna.Lstr_offsets_base0: 96*53a483ceSzhuna .section .debug_str,"MS",@progbits,1 97*53a483ceSzhuna.Lskel_string0: 98*53a483ceSzhuna .asciz "/xxxx/xxxxxxxxxx/xxxxxxxx/hello" # string offset=0 99*53a483ceSzhuna.Lskel_string1: 100*53a483ceSzhuna .asciz "main.dwo" # string offset=32 101*53a483ceSzhuna .section .debug_str_offsets,"",@progbits 102*53a483ceSzhuna .long .Lskel_string0 103*53a483ceSzhuna .long .Lskel_string1 104*53a483ceSzhuna .section .debug_str_offsets.dwo,"e",@progbits 105*53a483ceSzhuna .long 24 106*53a483ceSzhuna .short 5 107*53a483ceSzhuna .short 0 108*53a483ceSzhuna .section .debug_str.dwo,"eMS",@progbits,1 109*53a483ceSzhuna.Linfo_string0: 110*53a483ceSzhuna .asciz "main" # string offset=0 111*53a483ceSzhuna.Linfo_string1: 112*53a483ceSzhuna .asciz "int" # string offset=5 113*53a483ceSzhuna.Linfo_string2: 114*53a483ceSzhuna .asciz "clang version 11.1.0 (https://github.com/llvm/llvm-project.git 1a0dc1e010bf5c8034bd4a53340fc0dc3e90549a)" # string offset=9 115*53a483ceSzhuna.Linfo_string3: 116*53a483ceSzhuna .asciz "main.c" # string offset=114 117*53a483ceSzhuna.Linfo_string4: 118*53a483ceSzhuna .asciz "main.dwo" # string offset=121 119*53a483ceSzhuna .section .debug_str_offsets.dwo,"e",@progbits 120*53a483ceSzhuna .long 0 121*53a483ceSzhuna .long 5 122*53a483ceSzhuna .long 9 123*53a483ceSzhuna .long 114 124*53a483ceSzhuna .long 121 125*53a483ceSzhuna .section .debug_info.dwo,"e",@progbits 126*53a483ceSzhuna .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit 127*53a483ceSzhuna.Ldebug_info_dwo_start0: 128*53a483ceSzhuna .short 5 # DWARF version number 129*53a483ceSzhuna .byte 5 # DWARF Unit Type 130*53a483ceSzhuna .byte 8 # Address Size (in bytes) 131*53a483ceSzhuna .long 0 # Offset Into Abbrev. Section 132*53a483ceSzhuna .quad -346972125991005518 133*53a483ceSzhuna .byte 1 # Abbrev [1] 0x14:0x1a DW_TAG_compile_unit 134*53a483ceSzhuna .byte 2 # DW_AT_producer 135*53a483ceSzhuna .short 12 # DW_AT_language 136*53a483ceSzhuna .byte 3 # DW_AT_name 137*53a483ceSzhuna .byte 4 # DW_AT_dwo_name 138*53a483ceSzhuna .byte 2 # Abbrev [2] 0x1a:0xf DW_TAG_subprogram 139*53a483ceSzhuna .byte 0 # DW_AT_low_pc 140*53a483ceSzhuna .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 141*53a483ceSzhuna .byte 1 # DW_AT_frame_base 142*53a483ceSzhuna .byte 86 143*53a483ceSzhuna .byte 0 # DW_AT_name 144*53a483ceSzhuna .byte 0 # DW_AT_decl_file 145*53a483ceSzhuna .byte 5 # DW_AT_decl_line 146*53a483ceSzhuna .long 41 # DW_AT_type 147*53a483ceSzhuna # DW_AT_external 148*53a483ceSzhuna .byte 3 # Abbrev [3] 0x29:0x4 DW_TAG_base_type 149*53a483ceSzhuna .byte 1 # DW_AT_name 150*53a483ceSzhuna .byte 5 # DW_AT_encoding 151*53a483ceSzhuna .byte 4 # DW_AT_byte_size 152*53a483ceSzhuna .byte 0 # End Of Children Mark 153*53a483ceSzhuna .fill 4294967233 154*53a483ceSzhuna.Ldebug_info_dwo_end0: 155*53a483ceSzhuna .section .debug_abbrev.dwo,"e",@progbits 156*53a483ceSzhuna .byte 1 # Abbreviation Code 157*53a483ceSzhuna .byte 17 # DW_TAG_compile_unit 158*53a483ceSzhuna .byte 1 # DW_CHILDREN_yes 159*53a483ceSzhuna .byte 37 # DW_AT_producer 160*53a483ceSzhuna .byte 37 # DW_FORM_strx1 161*53a483ceSzhuna .byte 19 # DW_AT_language 162*53a483ceSzhuna .byte 5 # DW_FORM_data2 163*53a483ceSzhuna .byte 3 # DW_AT_name 164*53a483ceSzhuna .byte 37 # DW_FORM_strx1 165*53a483ceSzhuna .byte 118 # DW_AT_dwo_name 166*53a483ceSzhuna .byte 37 # DW_FORM_strx1 167*53a483ceSzhuna .byte 0 # EOM(1) 168*53a483ceSzhuna .byte 0 # EOM(2) 169*53a483ceSzhuna .byte 2 # Abbreviation Code 170*53a483ceSzhuna .byte 46 # DW_TAG_subprogram 171*53a483ceSzhuna .byte 0 # DW_CHILDREN_no 172*53a483ceSzhuna .byte 17 # DW_AT_low_pc 173*53a483ceSzhuna .byte 27 # DW_FORM_addrx 174*53a483ceSzhuna .byte 18 # DW_AT_high_pc 175*53a483ceSzhuna .byte 6 # DW_FORM_data4 176*53a483ceSzhuna .byte 64 # DW_AT_frame_base 177*53a483ceSzhuna .byte 24 # DW_FORM_exprloc 178*53a483ceSzhuna .byte 3 # DW_AT_name 179*53a483ceSzhuna .byte 37 # DW_FORM_strx1 180*53a483ceSzhuna .byte 58 # DW_AT_decl_file 181*53a483ceSzhuna .byte 11 # DW_FORM_data1 182*53a483ceSzhuna .byte 59 # DW_AT_decl_line 183*53a483ceSzhuna .byte 11 # DW_FORM_data1 184*53a483ceSzhuna .byte 73 # DW_AT_type 185*53a483ceSzhuna .byte 19 # DW_FORM_ref4 186*53a483ceSzhuna .byte 63 # DW_AT_external 187*53a483ceSzhuna .byte 25 # DW_FORM_flag_present 188*53a483ceSzhuna .byte 0 # EOM(1) 189*53a483ceSzhuna .byte 0 # EOM(2) 190*53a483ceSzhuna .byte 3 # Abbreviation Code 191*53a483ceSzhuna .byte 36 # DW_TAG_base_type 192*53a483ceSzhuna .byte 0 # DW_CHILDREN_no 193*53a483ceSzhuna .byte 3 # DW_AT_name 194*53a483ceSzhuna .byte 37 # DW_FORM_strx1 195*53a483ceSzhuna .byte 62 # DW_AT_encoding 196*53a483ceSzhuna .byte 11 # DW_FORM_data1 197*53a483ceSzhuna .byte 11 # DW_AT_byte_size 198*53a483ceSzhuna .byte 11 # DW_FORM_data1 199*53a483ceSzhuna .byte 0 # EOM(1) 200*53a483ceSzhuna .byte 0 # EOM(2) 201*53a483ceSzhuna .byte 0 # EOM(3) 202*53a483ceSzhuna .section .debug_addr,"",@progbits 203*53a483ceSzhuna .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 204*53a483ceSzhuna.Ldebug_addr_start0: 205*53a483ceSzhuna .short 5 # DWARF version number 206*53a483ceSzhuna .byte 8 # Address size 207*53a483ceSzhuna .byte 0 # Segment selector size 208*53a483ceSzhuna.Laddr_table_base0: 209*53a483ceSzhuna .quad .Lfunc_begin0 210*53a483ceSzhuna.Ldebug_addr_end0: 211*53a483ceSzhuna .section .debug_gnu_pubnames,"",@progbits 212*53a483ceSzhuna .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info 213*53a483ceSzhuna.LpubNames_begin0: 214*53a483ceSzhuna .short 2 # DWARF Version 215*53a483ceSzhuna .long .Lcu_begin0 # Offset of Compilation Unit Info 216*53a483ceSzhuna .long 40 # Compilation Unit Length 217*53a483ceSzhuna .long 26 # DIE offset 218*53a483ceSzhuna .byte 48 # Attributes: FUNCTION, EXTERNAL 219*53a483ceSzhuna .asciz "main" # External Name 220*53a483ceSzhuna .long 0 # End Mark 221*53a483ceSzhuna.LpubNames_end0: 222*53a483ceSzhuna .section .debug_gnu_pubtypes,"",@progbits 223*53a483ceSzhuna .long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info 224*53a483ceSzhuna.LpubTypes_begin0: 225*53a483ceSzhuna .short 2 # DWARF Version 226*53a483ceSzhuna .long .Lcu_begin0 # Offset of Compilation Unit Info 227*53a483ceSzhuna .long 40 # Compilation Unit Length 228*53a483ceSzhuna .long 41 # DIE offset 229*53a483ceSzhuna .byte 144 # Attributes: TYPE, STATIC 230*53a483ceSzhuna .asciz "int" # External Name 231*53a483ceSzhuna .long 0 # End Mark 232*53a483ceSzhuna.LpubTypes_end0: 233*53a483ceSzhuna .ident "clang version 11.1.0 (https://github.com/llvm/llvm-project.git 1a0dc1e010bf5c8034bd4a53340fc0dc3e90549a)" 234*53a483ceSzhuna .section ".note.GNU-stack","",@progbits 235*53a483ceSzhuna .addrsig 236*53a483ceSzhuna .addrsig_sym hello 237*53a483ceSzhuna .section .debug_line,"",@progbits 238*53a483ceSzhuna.Lline_table_start0: 239