test/tools/llvm-cfi-verify/AArch64/protected-lineinfo.s

   1 # RUN: llvm-mc %s -filetype obj -triple aarch64-- -o %t.o
   2 # RUN: llvm-cfi-verify %t.o | FileCheck %s
   3
   4 # CHECK-LABEL: {{^Instruction: .* \(PROTECTED\)}}
   5 # CHECK-NEXT: tiny.cc:9
   6
   7 # CHECK: Expected Protected: 1 (100.00%)
   8 # CHECK: Unexpected Protected: 0 (0.00%)
   9 # CHECK: Expected Unprotected: 0 (0.00%)
  10 # CHECK: Unexpected Unprotected (BAD): 0 (0.00%)
  11
  12 # Source (tiny.cc):
  13 #   int a() { return 42; }
  14 #   int b() { return 137; }
  15 #   int main(int argc, char** argv) {
  16 #     int(*ptr)();
  17 #     if (argc == 1)
  18 #       ptr = &a;
  19 #     else
  20 #       ptr = &b;
  21 #     return ptr();
  22 #   }
  23         .text
  24         .file   "ld-temp.o"
  25         .p2align        2
  26         .type   _Z1av.cfi,@function
  27 _Z1av.cfi:
  28 .Lfunc_begin0:
  29         .file   1 "/tmp/tiny.cc"
  30         .loc    1 1 0
  31         .cfi_startproc
  32         .loc    1 1 11 prologue_end
  33         mov     w0, #42
  34         ret
  35 .Ltmp0:
  36 .Lfunc_end0:
  37         .size   _Z1av.cfi, .Lfunc_end0-_Z1av.cfi
  38         .cfi_endproc
  39
  40         .p2align        2
  41         .type   _Z1bv.cfi,@function
  42 _Z1bv.cfi:
  43 .Lfunc_begin1:
  44         .loc    1 2 0
  45         .cfi_startproc
  46         .loc    1 2 11 prologue_end
  47         mov     w0, #137
  48         ret
  49 .Ltmp1:
  50 .Lfunc_end1:
  51         .size   _Z1bv.cfi, .Lfunc_end1-_Z1bv.cfi
  52         .cfi_endproc
  53
  54         .p2align        2
  55         .type   main,@function
  56 main:
  57 .Lfunc_begin2:
  58         .loc    1 3 0
  59         .cfi_startproc
  60         sub     sp, sp, #48
  61         stp     x29, x30, [sp, #32]
  62         add     x29, sp, #32
  63         .cfi_def_cfa w29, 16
  64         .cfi_offset w30, -8
  65         .cfi_offset w29, -16
  66         stur    wzr, [x29, #-4]
  67         stur    w0, [x29, #-8]
  68         str     x1, [sp, #16]
  69 .Ltmp2:
  70         .loc    1 5 7 prologue_end
  71         ldur    w8, [x29, #-8]
  72         cmp     w8, #1
  73         b.ne    .LBB2_2
  74         .loc    1 0 7 is_stmt 0
  75         adrp    x8, _Z1av
  76         add     x8, x8, :lo12:_Z1av
  77         .loc    1 6 9 is_stmt 1
  78         str     x8, [sp, #8]
  79         .loc    1 6 5 is_stmt 0
  80         b       .LBB2_3
  81 .LBB2_2:
  82         .loc    1 0 5
  83         adrp    x8, _Z1bv
  84         add     x8, x8, :lo12:_Z1bv
  85         .loc    1 8 9 is_stmt 1
  86         str     x8, [sp, #8]
  87 .LBB2_3:
  88         .loc    1 0 9 is_stmt 0
  89         adrp    x8, .L.cfi.jumptable
  90         add     x9, x8, :lo12:.L.cfi.jumptable
  91         .loc    1 9 10 is_stmt 1
  92         ldr     x8, [sp, #8]
  93         sub     x9, x8, x9
  94         lsr     x10, x9, #2
  95         orr     x9, x10, x9, lsl #62
  96         cmp     x9, #1
  97         b.ls    .LBB2_5
  98         brk     #0x1
  99 .LBB2_5:
 100         blr     x8
 101         .loc    1 9 3 is_stmt 0
 102         ldp     x29, x30, [sp, #32]
 103         add     sp, sp, #48
 104         ret
 105 .Ltmp3:
 106 .Lfunc_end2:
 107         .size   main, .Lfunc_end2-main
 108         .cfi_endproc
 109
 110         .p2align        2
 111         .type   .L.cfi.jumptable,@function
 112 .L.cfi.jumptable:
 113 .Lfunc_begin3:
 114         .cfi_startproc
 115         //APP
 116         b       _Z1av.cfi
 117         b       _Z1bv.cfi
 118
 119         //NO_APP
 120 .Lfunc_end3:
 121         .size   .L.cfi.jumptable, .Lfunc_end3-.L.cfi.jumptable
 122         .cfi_endproc
 123
 124         .type   .L__unnamed_1,@object
 125         .section        .rodata,"a",@progbits
 126         .p2align        2
 127 .L__unnamed_1:
 128         .size   .L__unnamed_1, 0
 129
 130         .section        .debug_str,"MS",@progbits,1
 131 .Linfo_string0:
 132         .asciz  "clang version 7.0.0 (trunk 335774) (llvm/trunk 335775)"
 133 .Linfo_string1:
 134         .asciz  "tiny.cc"
 135 .Linfo_string2:
 136         .asciz  ""
 137         .section        .debug_abbrev,"",@progbits
 138         .byte   1
 139         .byte   17
 140         .byte   0
 141         .byte   37
 142         .byte   14
 143         .byte   19
 144         .byte   5
 145         .byte   3
 146         .byte   14
 147         .byte   16
 148         .byte   23
 149         .byte   27
 150         .byte   14
 151         .byte   17
 152         .byte   1
 153         .byte   18
 154         .byte   6
 155         .byte   0
 156         .byte   0
 157         .byte   0
 158         .section        .debug_info,"",@progbits
 159 .Lcu_begin0:
 160         .word   38
 161         .hword  4
 162         .word   .debug_abbrev
 163         .byte   8
 164         .byte   1
 165         .word   .Linfo_string0
 166         .hword  4
 167         .word   .Linfo_string1
 168         .word   .Lline_table_start0
 169         .word   .Linfo_string2
 170         .xword  .Lfunc_begin0
 171         .word   .Lfunc_end2-.Lfunc_begin0
 172         .section        .debug_ranges,"",@progbits
 173         .section        .debug_macinfo,"",@progbits
 174         .byte   0
 175
 176         .type   _Z1av,@function
 177 .set _Z1av, .L.cfi.jumptable
 178         .type   _Z1bv,@function
 179 .set _Z1bv, .L.cfi.jumptable+4
 180         .ident  "clang version 7.0.0 (trunk 335774) (llvm/trunk 335775)"
 181         .section        ".note.GNU-stack","",@progbits
 182         .section        .debug_line,"",@progbits
 183 .Lline_table_start0: