test/tools/llvm-cfi-verify/X86/Inputs/protected-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 (output is in tiny.s.0):
  13 #    clang++ -flto -fsanitize=cfi -fvisibility=hidden -c tiny.cc -o tiny.o -gmlt
  14 #    clang++ tiny.o -o tiny -flto -fuse-ld=gold -Wl,-plugin-opt,save-temps
  15 #    clang++ -fsanitize=cfi -flto -fvisibility=hidden -c tiny.cc -o tiny.o -gmlt
  16 #    llvm-lto2 run @tiny.resolution.txt -o tiny.s -filetype=asm
  17
  18   .text
  19   .file "ld-temp.o"
  20   .p2align  4, 0x90
  21   .type _Z1av.cfi,@function
  22 _Z1av.cfi:
  23 .Lfunc_begin0:
  24   .file 1 "tiny.cc"
  25   .loc  1 1 0
  26   .cfi_startproc
  27   pushq %rbp
  28   .cfi_def_cfa_offset 16
  29   .cfi_offset %rbp, -16
  30   movq  %rsp, %rbp
  31   .cfi_def_cfa_register %rbp
  32 .Ltmp0:
  33   .loc  1 1 11 prologue_end
  34   popq  %rbp
  35   retq
  36 .Ltmp1:
  37 .Lfunc_end0:
  38   .size _Z1av.cfi, .Lfunc_end0-_Z1av.cfi
  39   .cfi_endproc
  40
  41   .p2align  4, 0x90
  42   .type _Z1bv.cfi,@function
  43 _Z1bv.cfi:
  44 .Lfunc_begin1:
  45   .loc  1 2 0
  46   .cfi_startproc
  47   pushq %rbp
  48   .cfi_def_cfa_offset 16
  49   .cfi_offset %rbp, -16
  50   movq  %rsp, %rbp
  51   .cfi_def_cfa_register %rbp
  52 .Ltmp2:
  53   .loc  1 2 11 prologue_end
  54   popq  %rbp
  55   retq
  56 .Ltmp3:
  57 .Lfunc_end1:
  58   .size _Z1bv.cfi, .Lfunc_end1-_Z1bv.cfi
  59   .cfi_endproc
  60
  61   .hidden main
  62   .globl  main
  63   .p2align  4, 0x90
  64   .type main,@function
  65 main:
  66 .Lfunc_begin2:
  67   .loc  1 4 0
  68   .cfi_startproc
  69   pushq %rbp
  70   .cfi_def_cfa_offset 16
  71   .cfi_offset %rbp, -16
  72   movq  %rsp, %rbp
  73   .cfi_def_cfa_register %rbp
  74   subq  $32, %rsp
  75   movl  $0, -8(%rbp)
  76   movl  %edi, -4(%rbp)
  77   movq  %rsi, -24(%rbp)
  78 .Ltmp4:
  79   .loc  1 6 12 prologue_end
  80   cmpl  $1, -4(%rbp)
  81   .loc  1 6 7 is_stmt 0
  82   jne .LBB2_2
  83   .loc  1 0 7
  84   leaq  _Z1av(%rip), %rax
  85   .loc  1 7 9 is_stmt 1
  86   movq  %rax, -16(%rbp)
  87   .loc  1 7 5 is_stmt 0
  88   jmp .LBB2_3
  89 .LBB2_2:
  90   .loc  1 0 5
  91   leaq  _Z1bv(%rip), %rax
  92   .loc  1 9 9 is_stmt 1
  93   movq  %rax, -16(%rbp)
  94 .LBB2_3:
  95   .loc  1 0 9 is_stmt 0
  96   leaq  .L.cfi.jumptable(%rip), %rcx
  97   .loc  1 11 3 is_stmt 1
  98   movq  -16(%rbp), %rax
  99   movq  %rax, %rdx
 100   subq  %rcx, %rdx
 101   movq  %rdx, %rcx
 102   shrq  $3, %rcx
 103   shlq  $61, %rdx
 104   orq %rcx, %rdx
 105   cmpq  $1, %rdx
 106   jbe .LBB2_5
 107   ud2
 108 .LBB2_5:
 109   callq *%rax
 110   .loc  1 12 1
 111   movl  -8(%rbp), %eax
 112   addq  $32, %rsp
 113   popq  %rbp
 114   retq
 115 .Ltmp5:
 116 .Lfunc_end2:
 117   .size main, .Lfunc_end2-main
 118   .cfi_endproc
 119
 120   .p2align  3, 0x90
 121   .type .L.cfi.jumptable,@function
 122 .L.cfi.jumptable:
 123 .Lfunc_begin3:
 124   .cfi_startproc
 125   #APP
 126   jmp _Z1av.cfi@PLT
 127   int3
 128   int3
 129   int3
 130   jmp _Z1bv.cfi@PLT
 131   int3
 132   int3
 133   int3
 134
 135   #NO_APP
 136 .Lfunc_end3:
 137   .size .L.cfi.jumptable, .Lfunc_end3-.L.cfi.jumptable
 138   .cfi_endproc
 139
 140   .section  .debug_str,"MS",@progbits,1
 141 .Linfo_string0:
 142   .asciz  "clang version 6.0.0 (trunk 316774)"
 143 .Linfo_string1:
 144   .asciz  "tiny.cc"
 145 .Linfo_string2:
 146   .asciz  ""
 147   .section  .debug_abbrev,"",@progbits
 148   .byte 1
 149   .byte 17
 150   .byte 0
 151   .byte 37
 152   .byte 14
 153   .byte 19
 154   .byte 5
 155   .byte 3
 156   .byte 14
 157   .byte 16
 158   .byte 23
 159   .byte 27
 160   .byte 14
 161   .byte 17
 162   .byte 1
 163   .byte 18
 164   .byte 6
 165   .byte 0
 166   .byte 0
 167   .byte 0
 168   .section  .debug_info,"",@progbits
 169 .Lcu_begin0:
 170   .long 38
 171   .short  4
 172   .long .debug_abbrev
 173   .byte 8
 174   .byte 1
 175   .long .Linfo_string0
 176   .short  4
 177   .long .Linfo_string1
 178   .long .Lline_table_start0
 179   .long .Linfo_string2
 180   .quad .Lfunc_begin0
 181   .long .Lfunc_end2-.Lfunc_begin0
 182   .section  .debug_ranges,"",@progbits
 183   .section  .debug_macinfo,"",@progbits
 184 .Lcu_macro_begin0:
 185   .byte 0
 186
 187   .type _Z1av,@function
 188 _Z1av = .L.cfi.jumptable
 189   .type _Z1bv,@function
 190 _Z1bv = .L.cfi.jumptable+8
 191   .ident  "clang version 6.0.0 (trunk 316774)"
 192   .section  ".note.GNU-stack","",@progbits
 193   .section  .debug_line,"",@progbits
 194 .Lline_table_start0:
 195