test/tools/llvm-cfi-verify/X86/Inputs/unprotected-lineinfo.s

   1 # Source (tiny.cc):
   2 #   void a() {}
   3 #   void b() {}
   4 #   int main(int argc, char** argv) {
   5 #     void(*ptr)();
   6 #     if (argc == 1)
   7 #       ptr = &a;
   8 #     else
   9 #       ptr = &b;
  10 #     ptr();
  11 #   }
  12 # Compile with:
  13 #    clang++ -gmlt tiny.cc -S -o tiny.s
  14
  15   .text
  16   .file "tiny.cc"
  17   .globl  _Z1av                   # -- Begin function _Z1av
  18   .p2align  4, 0x90
  19   .type _Z1av,@function
  20 _Z1av:                                  # @_Z1av
  21 .Lfunc_begin0:
  22   .file 1 "tiny.cc"
  23   .loc  1 1 0                   # tiny.cc:1:0
  24   .cfi_startproc
  25 # %bb.0:
  26   pushq %rbp
  27   .cfi_def_cfa_offset 16
  28   .cfi_offset %rbp, -16
  29   movq  %rsp, %rbp
  30   .cfi_def_cfa_register %rbp
  31 .Ltmp0:
  32   .loc  1 1 11 prologue_end     # tiny.cc:1:11
  33   popq  %rbp
  34   retq
  35 .Ltmp1:
  36 .Lfunc_end0:
  37   .size _Z1av, .Lfunc_end0-_Z1av
  38   .cfi_endproc
  39                                         # -- End function
  40   .globl  _Z1bv                   # -- Begin function _Z1bv
  41   .p2align  4, 0x90
  42   .type _Z1bv,@function
  43 _Z1bv:                                  # @_Z1bv
  44 .Lfunc_begin1:
  45   .loc  1 2 0                   # tiny.cc:2:0
  46   .cfi_startproc
  47 # %bb.0:
  48   pushq %rbp
  49   .cfi_def_cfa_offset 16
  50   .cfi_offset %rbp, -16
  51   movq  %rsp, %rbp
  52   .cfi_def_cfa_register %rbp
  53 .Ltmp2:
  54   .loc  1 2 11 prologue_end     # tiny.cc:2:11
  55   popq  %rbp
  56   retq
  57 .Ltmp3:
  58 .Lfunc_end1:
  59   .size _Z1bv, .Lfunc_end1-_Z1bv
  60   .cfi_endproc
  61                                         # -- End function
  62   .globl  main                    # -- Begin function main
  63   .p2align  4, 0x90
  64   .type main,@function
  65 main:                                   # @main
  66 .Lfunc_begin2:
  67   .loc  1 4 0                   # tiny.cc:4:0
  68   .cfi_startproc
  69 # %bb.0:
  70   pushq %rbp
  71   .cfi_def_cfa_offset 16
  72   .cfi_offset %rbp, -16
  73   movq  %rsp, %rbp
  74   .cfi_def_cfa_register %rbp
  75   subq  $32, %rsp
  76   movl  $0, -4(%rbp)
  77   movl  %edi, -8(%rbp)
  78   movq  %rsi, -16(%rbp)
  79 .Ltmp4:
  80   .loc  1 6 12 prologue_end     # tiny.cc:6:12
  81   cmpl  $1, -8(%rbp)
  82   .loc  1 6 7 is_stmt 0         # tiny.cc:6:7
  83   jne .LBB2_2
  84 # %bb.1:
  85   .loc  1 0 7                   # tiny.cc:0:7
  86   movabsq $_Z1av, %rax
  87   .loc  1 7 9 is_stmt 1         # tiny.cc:7:9
  88   movq  %rax, -24(%rbp)
  89   .loc  1 7 5 is_stmt 0         # tiny.cc:7:5
  90   jmp .LBB2_3
  91 .LBB2_2:
  92   .loc  1 0 5                   # tiny.cc:0:5
  93   movabsq $_Z1bv, %rax
  94   .loc  1 9 9 is_stmt 1         # tiny.cc:9:9
  95   movq  %rax, -24(%rbp)
  96 .LBB2_3:
  97   .loc  1 11 3                  # tiny.cc:11:3
  98   callq *-24(%rbp)
  99   .loc  1 12 1                  # tiny.cc:12:1
 100   movl  -4(%rbp), %eax
 101   addq  $32, %rsp
 102   popq  %rbp
 103   retq
 104 .Ltmp5:
 105 .Lfunc_end2:
 106   .size main, .Lfunc_end2-main
 107   .cfi_endproc
 108                                         # -- End function
 109   .section  .debug_str,"MS",@progbits,1
 110 .Linfo_string0:
 111   .asciz  "clang version 6.0.0 (trunk 316774)" # string offset=0
 112 .Linfo_string1:
 113   .asciz  "tiny.cc"               # string offset=35
 114 .Linfo_string2:
 115   .asciz  "/tmp/a/b"              # string offset=43
 116   .section  .debug_abbrev,"",@progbits
 117   .byte 1                       # Abbreviation Code
 118   .byte 17                      # DW_TAG_compile_unit
 119   .byte 0                       # DW_CHILDREN_no
 120   .byte 37                      # DW_AT_producer
 121   .byte 14                      # DW_FORM_strp
 122   .byte 19                      # DW_AT_language
 123   .byte 5                       # DW_FORM_data2
 124   .byte 3                       # DW_AT_name
 125   .byte 14                      # DW_FORM_strp
 126   .byte 16                      # DW_AT_stmt_list
 127   .byte 23                      # DW_FORM_sec_offset
 128   .byte 27                      # DW_AT_comp_dir
 129   .byte 14                      # DW_FORM_strp
 130   .byte 17                      # DW_AT_low_pc
 131   .byte 1                       # DW_FORM_addr
 132   .byte 18                      # DW_AT_high_pc
 133   .byte 6                       # DW_FORM_data4
 134   .byte 0                       # EOM(1)
 135   .byte 0                       # EOM(2)
 136   .byte 0                       # EOM(3)
 137   .section  .debug_info,"",@progbits
 138 .Lcu_begin0:
 139   .long 38                      # Length of Unit
 140   .short  4                       # DWARF version number
 141   .long .debug_abbrev           # Offset Into Abbrev. Section
 142   .byte 8                       # Address Size (in bytes)
 143   .byte 1                       # Abbrev [1] 0xb:0x1f DW_TAG_compile_unit
 144   .long .Linfo_string0          # DW_AT_producer
 145   .short  4                       # DW_AT_language
 146   .long .Linfo_string1          # DW_AT_name
 147   .long .Lline_table_start0     # DW_AT_stmt_list
 148   .long .Linfo_string2          # DW_AT_comp_dir
 149   .quad .Lfunc_begin0           # DW_AT_low_pc
 150   .long .Lfunc_end2-.Lfunc_begin0 # DW_AT_high_pc
 151   .section  .debug_ranges,"",@progbits
 152   .section  .debug_macinfo,"",@progbits
 153 .Lcu_macro_begin0:
 154   .byte 0                       # End Of Macro List Mark
 155
 156   .ident  "clang version 6.0.0 (trunk 316774)"
 157   .section  ".note.GNU-stack","",@progbits
 158   .section  .debug_line,"",@progbits
 159 .Lline_table_start0: