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-4 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 1 "/xxxxxx/xxxx/xxxxxxxxxx/xxxxxxxx/hello" "main.c" 24*53a483ceSzhuna .loc 1 5 0 # main.c:5:0 25*53a483ceSzhuna .cfi_startproc 26*53a483ceSzhuna# %bb.0: 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 1 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 1 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 17 # DW_TAG_compile_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 27 # DW_AT_comp_dir 56*53a483ceSzhuna .byte 14 # DW_FORM_strp 57*53a483ceSzhuna .ascii "\264B" # DW_AT_GNU_pubnames 58*53a483ceSzhuna .byte 25 # DW_FORM_flag_present 59*53a483ceSzhuna .ascii "\260B" # DW_AT_GNU_dwo_name 60*53a483ceSzhuna .byte 14 # DW_FORM_strp 61*53a483ceSzhuna .ascii "\261B" # DW_AT_GNU_dwo_id 62*53a483ceSzhuna .byte 7 # DW_FORM_data8 63*53a483ceSzhuna .byte 17 # DW_AT_low_pc 64*53a483ceSzhuna .byte 1 # DW_FORM_addr 65*53a483ceSzhuna .byte 18 # DW_AT_high_pc 66*53a483ceSzhuna .byte 6 # DW_FORM_data4 67*53a483ceSzhuna .ascii "\263B" # DW_AT_GNU_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 4 # DWARF version number 77*53a483ceSzhuna .long .debug_abbrev # Offset Into Abbrev. Section 78*53a483ceSzhuna .byte 8 # Address Size (in bytes) 79*53a483ceSzhuna .byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit 80*53a483ceSzhuna .long .Lline_table_start0 # DW_AT_stmt_list 81*53a483ceSzhuna .long .Lskel_string0 # DW_AT_comp_dir 82*53a483ceSzhuna # DW_AT_GNU_pubnames 83*53a483ceSzhuna .long .Lskel_string1 # DW_AT_GNU_dwo_name 84*53a483ceSzhuna .quad -346972125991005518 # DW_AT_GNU_dwo_id 85*53a483ceSzhuna .quad .Lfunc_begin0 # DW_AT_low_pc 86*53a483ceSzhuna .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 87*53a483ceSzhuna .long .Laddr_table_base0 # DW_AT_GNU_addr_base 88*53a483ceSzhuna.Ldebug_info_end0: 89*53a483ceSzhuna .section .debug_str,"MS",@progbits,1 90*53a483ceSzhuna.Lskel_string0: 91*53a483ceSzhuna .asciz "/xxxxxx/xxxx/xxxxxxxxxx/xxxxxxxx/hello" # string offset=0 92*53a483ceSzhuna.Lskel_string1: 93*53a483ceSzhuna .asciz "main.dwo" # string offset=39 94*53a483ceSzhuna .section .debug_str.dwo,"eMS",@progbits,1 95*53a483ceSzhuna.Linfo_string0: 96*53a483ceSzhuna .asciz "main" # string offset=0 97*53a483ceSzhuna.Linfo_string1: 98*53a483ceSzhuna .asciz "int" # string offset=5 99*53a483ceSzhuna.Linfo_string2: 100*53a483ceSzhuna .asciz "clang version 11.1.0 (https://github.com/llvm/llvm-project.git ed8f312fb1ca0bf525676906c7841db0cefcf5a7)" # string offset=9 101*53a483ceSzhuna.Linfo_string3: 102*53a483ceSzhuna .asciz "main.c" # string offset=114 103*53a483ceSzhuna.Linfo_string4: 104*53a483ceSzhuna .asciz "main.dwo" # string offset=121 105*53a483ceSzhuna .section .debug_str_offsets.dwo,"e",@progbits 106*53a483ceSzhuna .long 0 107*53a483ceSzhuna .long 5 108*53a483ceSzhuna .long 9 109*53a483ceSzhuna .long 114 110*53a483ceSzhuna .long 121 111*53a483ceSzhuna .section .debug_info.dwo,"e",@progbits 112*53a483ceSzhuna .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit 113*53a483ceSzhuna.Ldebug_info_dwo_start0: 114*53a483ceSzhuna .short 4 # DWARF version number 115*53a483ceSzhuna .long 0 # Offset Into Abbrev. Section 116*53a483ceSzhuna .byte 8 # Address Size (in bytes) 117*53a483ceSzhuna .byte 1 # Abbrev [1] 0xb:0x22 DW_TAG_compile_unit 118*53a483ceSzhuna .byte 2 # DW_AT_producer 119*53a483ceSzhuna .short 12 # DW_AT_language 120*53a483ceSzhuna .byte 3 # DW_AT_name 121*53a483ceSzhuna .byte 4 # DW_AT_GNU_dwo_name 122*53a483ceSzhuna .quad -346972125991005518 # DW_AT_GNU_dwo_id 123*53a483ceSzhuna .byte 2 # Abbrev [2] 0x19:0xf DW_TAG_subprogram 124*53a483ceSzhuna .byte 0 # DW_AT_low_pc 125*53a483ceSzhuna .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 126*53a483ceSzhuna .byte 1 # DW_AT_frame_base 127*53a483ceSzhuna .byte 86 128*53a483ceSzhuna .byte 0 # DW_AT_name 129*53a483ceSzhuna .byte 1 # DW_AT_decl_file 130*53a483ceSzhuna .byte 5 # DW_AT_decl_line 131*53a483ceSzhuna .long 40 # DW_AT_type 132*53a483ceSzhuna # DW_AT_external 133*53a483ceSzhuna .byte 3 # Abbrev [3] 0x28:0x4 DW_TAG_base_type 134*53a483ceSzhuna .byte 1 # DW_AT_name 135*53a483ceSzhuna .byte 5 # DW_AT_encoding 136*53a483ceSzhuna .byte 4 # DW_AT_byte_size 137*53a483ceSzhuna .byte 0 # End Of Children Mark 138*53a483ceSzhuna.Ldebug_info_dwo_end0: 139*53a483ceSzhuna .section .debug_abbrev.dwo,"e",@progbits 140*53a483ceSzhuna .byte 1 # Abbreviation Code 141*53a483ceSzhuna .byte 17 # DW_TAG_compile_unit 142*53a483ceSzhuna .byte 1 # DW_CHILDREN_yes 143*53a483ceSzhuna .byte 37 # DW_AT_producer 144*53a483ceSzhuna .ascii "\202>" # DW_FORM_GNU_str_index 145*53a483ceSzhuna .byte 19 # DW_AT_language 146*53a483ceSzhuna .byte 5 # DW_FORM_data2 147*53a483ceSzhuna .byte 3 # DW_AT_name 148*53a483ceSzhuna .ascii "\202>" # DW_FORM_GNU_str_index 149*53a483ceSzhuna .ascii "\260B" # DW_AT_GNU_dwo_name 150*53a483ceSzhuna .ascii "\202>" # DW_FORM_GNU_str_index 151*53a483ceSzhuna .ascii "\261B" # DW_AT_GNU_dwo_id 152*53a483ceSzhuna .byte 7 # DW_FORM_data8 153*53a483ceSzhuna .byte 0 # EOM(1) 154*53a483ceSzhuna .byte 0 # EOM(2) 155*53a483ceSzhuna .byte 2 # Abbreviation Code 156*53a483ceSzhuna .byte 46 # DW_TAG_subprogram 157*53a483ceSzhuna .byte 0 # DW_CHILDREN_no 158*53a483ceSzhuna .byte 17 # DW_AT_low_pc 159*53a483ceSzhuna .ascii "\201>" # DW_FORM_GNU_addr_index 160*53a483ceSzhuna .byte 18 # DW_AT_high_pc 161*53a483ceSzhuna .byte 6 # DW_FORM_data4 162*53a483ceSzhuna .byte 64 # DW_AT_frame_base 163*53a483ceSzhuna .byte 24 # DW_FORM_exprloc 164*53a483ceSzhuna .byte 3 # DW_AT_name 165*53a483ceSzhuna .ascii "\202>" # DW_FORM_GNU_str_index 166*53a483ceSzhuna .byte 58 # DW_AT_decl_file 167*53a483ceSzhuna .byte 11 # DW_FORM_data1 168*53a483ceSzhuna .byte 59 # DW_AT_decl_line 169*53a483ceSzhuna .byte 11 # DW_FORM_data1 170*53a483ceSzhuna .byte 73 # DW_AT_type 171*53a483ceSzhuna .byte 19 # DW_FORM_ref4 172*53a483ceSzhuna .byte 63 # DW_AT_external 173*53a483ceSzhuna .byte 25 # DW_FORM_flag_present 174*53a483ceSzhuna .byte 0 # EOM(1) 175*53a483ceSzhuna .byte 0 # EOM(2) 176*53a483ceSzhuna .byte 3 # Abbreviation Code 177*53a483ceSzhuna .byte 36 # DW_TAG_base_type 178*53a483ceSzhuna .byte 0 # DW_CHILDREN_no 179*53a483ceSzhuna .byte 3 # DW_AT_name 180*53a483ceSzhuna .ascii "\202>" # DW_FORM_GNU_str_index 181*53a483ceSzhuna .byte 62 # DW_AT_encoding 182*53a483ceSzhuna .byte 11 # DW_FORM_data1 183*53a483ceSzhuna .byte 11 # DW_AT_byte_size 184*53a483ceSzhuna .byte 11 # DW_FORM_data1 185*53a483ceSzhuna .byte 0 # EOM(1) 186*53a483ceSzhuna .byte 0 # EOM(2) 187*53a483ceSzhuna .byte 0 # EOM(3) 188*53a483ceSzhuna .section .debug_addr,"",@progbits 189*53a483ceSzhuna.Laddr_table_base0: 190*53a483ceSzhuna .quad .Lfunc_begin0 191*53a483ceSzhuna .section .debug_gnu_pubnames,"",@progbits 192*53a483ceSzhuna .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info 193*53a483ceSzhuna.LpubNames_begin0: 194*53a483ceSzhuna .short 2 # DWARF Version 195*53a483ceSzhuna .long .Lcu_begin0 # Offset of Compilation Unit Info 196*53a483ceSzhuna .long 48 # Compilation Unit Length 197*53a483ceSzhuna .long 25 # DIE offset 198*53a483ceSzhuna .byte 48 # Attributes: FUNCTION, EXTERNAL 199*53a483ceSzhuna .asciz "main" # External Name 200*53a483ceSzhuna .long 0 # End Mark 201*53a483ceSzhuna.LpubNames_end0: 202*53a483ceSzhuna .section .debug_gnu_pubtypes,"",@progbits 203*53a483ceSzhuna .long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info 204*53a483ceSzhuna.LpubTypes_begin0: 205*53a483ceSzhuna .short 2 # DWARF Version 206*53a483ceSzhuna .long .Lcu_begin0 # Offset of Compilation Unit Info 207*53a483ceSzhuna .long 48 # Compilation Unit Length 208*53a483ceSzhuna .long 40 # DIE offset 209*53a483ceSzhuna .byte 144 # Attributes: TYPE, STATIC 210*53a483ceSzhuna .asciz "int" # External Name 211*53a483ceSzhuna .long 0 # End Mark 212*53a483ceSzhuna.LpubTypes_end0: 213*53a483ceSzhuna .ident "clang version 11.1.0 (https://github.com/llvm/llvm-project.git ed8f312fb1ca0bf525676906c7841db0cefcf5a7)" 214*53a483ceSzhuna .section ".note.GNU-stack","",@progbits 215*53a483ceSzhuna .addrsig 216*53a483ceSzhuna .addrsig_sym hello 217*53a483ceSzhuna .section .debug_line,"",@progbits 218*53a483ceSzhuna.Lline_table_start0: