lld/test/ELF/avoid-empty-program-headers.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 // RUN: ld.lld %t -o %tout
   4 // RUN: llvm-readobj -l %tout | FileCheck %s
   5
   6 .global _start
   7 _start:
   8         retq
   9
  10 .section .tbss,"awT",@nobits
  11         .zero 4
  12 // FIXME: Test that we don't create unecessary empty PT_LOAD and PT_GNU_RELRO
  13 // for the .tbss section.
  14
  15 // CHECK:      ProgramHeaders [
  16 // CHECK-NEXT:   ProgramHeader {
  17 // CHECK-NEXT:     Type: PT_PHDR (0x6)
  18 // CHECK-NEXT:     Offset: 0x40
  19 // CHECK-NEXT:     VirtualAddress: 0x200040
  20 // CHECK-NEXT:     PhysicalAddress: 0x200040
  21 // CHECK-NEXT:     FileSize: 280
  22 // CHECK-NEXT:     MemSize: 280
  23 // CHECK-NEXT:     Flags [ (0x4)
  24 // CHECK-NEXT:       PF_R (0x4)
  25 // CHECK-NEXT:     ]
  26 // CHECK-NEXT:     Alignment: 8
  27 // CHECK-NEXT:   }
  28 // CHECK-NEXT:   ProgramHeader {
  29 // CHECK-NEXT:     Type: PT_LOAD (0x1)
  30 // CHECK-NEXT:     Offset: 0x0
  31 // CHECK-NEXT:     VirtualAddress: 0x200000
  32 // CHECK-NEXT:     PhysicalAddress: 0x200000
  33 // CHECK-NEXT:     FileSize: 344
  34 // CHECK-NEXT:     MemSize: 344
  35 // CHECK-NEXT:     Flags [ (0x4)
  36 // CHECK-NEXT:       PF_R (0x4)
  37 // CHECK-NEXT:     ]
  38 // CHECK-NEXT:     Alignment: 4096
  39 // CHECK-NEXT:   }
  40 // CHECK-NEXT:   ProgramHeader {
  41 // CHECK-NEXT:     Type: PT_LOAD (0x1)
  42 // CHECK-NEXT:     Offset: 0x158
  43 // CHECK-NEXT:     VirtualAddress: 0x201158
  44 // CHECK-NEXT:     PhysicalAddress: 0x201158
  45 // CHECK-NEXT:     FileSize: 1
  46 // CHECK-NEXT:     MemSize: 1
  47 // CHECK-NEXT:     Flags [ (0x5)
  48 // CHECK-NEXT:       PF_R (0x4)
  49 // CHECK-NEXT:       PF_X (0x1)
  50 // CHECK-NEXT:     ]
  51 // CHECK-NEXT:     Alignment: 4096
  52 // CHECK-NEXT:   }
  53 // CHECK-NEXT:   ProgramHeader {
  54 // CHECK-NEXT:     Type: PT_TLS (0x7)
  55 // CHECK-NEXT:     Offset: 0x159
  56 // CHECK-NEXT:     VirtualAddress: 0x201159
  57 // CHECK-NEXT:     PhysicalAddress: 0x201159
  58 // CHECK-NEXT:     FileSize: 0
  59 // CHECK-NEXT:     MemSize: 4
  60 // CHECK-NEXT:     Flags [ (0x4)
  61 // CHECK-NEXT:       PF_R (0x4)
  62 // CHECK-NEXT:     ]
  63 // CHECK-NEXT:     Alignment: 1
  64 // CHECK-NEXT:   }
  65 // CHECK-NEXT:   ProgramHeader {
  66 // CHECK-NEXT:     Type: PT_GNU_STACK (0x6474E551)
  67 // CHECK-NEXT:     Offset: 0x0
  68 // CHECK-NEXT:     VirtualAddress: 0x0
  69 // CHECK-NEXT:     PhysicalAddress: 0x0
  70 // CHECK-NEXT:     FileSize: 0
  71 // CHECK-NEXT:     MemSize: 0
  72 // CHECK-NEXT:     Flags [ (0x6)
  73 // CHECK-NEXT:       PF_R (0x4)
  74 // CHECK-NEXT:       PF_W (0x2)
  75 // CHECK-NEXT:     ]
  76 // CHECK-NEXT:     Alignment: 0
  77 // CHECK-NEXT:   }
  78 // CHECK-NEXT: ]