test/MC/ELF/debug-loc.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -S | FileCheck %s
   2
   3 // Test that we don't regress on the size of the line info section. We used
   4 // to handle negative line diffs incorrectly which manifested as very
   5 // large integers being passed to DW_LNS_advance_line.
   6
   7 // FIXME: This size is the same as gnu as, but we can probably do a bit better.
   8 // FIXME2: We need a debug_line dumper so that we can test the actual contents.
   9
  10 // CHECK:        Section {
  11 // CHECK:          Index:
  12 // CHECK:          Name: .debug_line
  13 // CHECK-NEXT:     Type: SHT_PROGBITS
  14 // CHECK-NEXT:     Flags [
  15 // CHECK-NEXT:     ]
  16 // CHECK-NEXT:     Address: 0x0
  17 // CHECK-NEXT:     Offset:
  18 // CHECK-NEXT:     Size: 62
  19 // CHECK-NEXT:     Link: 0
  20 // CHECK-NEXT:     Info: 0
  21 // CHECK-NEXT:     AddressAlignment: 1
  22 // CHECK-NEXT:     EntrySize: 0
  23 // CHECK-NEXT:   }
  24
  25         .section        .debug_line,"",@progbits
  26         .text
  27 foo:
  28         .file 1 "Driver.ii"
  29         .loc 1 2 0
  30         nop
  31         .loc 1 4 0
  32         nop
  33         .loc 1 3 0
  34         nop