lld/test/ELF/eh-frame-padding-no-rosegment.s

   1 // REQUIRES: x86
   2
   3 .cfi_startproc
   4 .cfi_personality 0x1b, bar
   5 .cfi_endproc
   6
   7 .global bar
   8 .hidden bar
   9 bar:
  10   ret
  11
  12 // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
  13
  14 // Check the size of the CIE (0x18 + 4) and FDE (0x10 + 4)
  15 // RUN: llvm-readobj -S --section-data %t.o | FileCheck --check-prefix=OBJ %s
  16
  17 // OBJ:      Name: .eh_frame
  18 // OBJ-NEXT: Type:
  19 // OBJ-NEXT: Flags [
  20 // OBJ-NEXT:   SHF_ALLOC
  21 // OBJ-NEXT: ]
  22 // OBJ-NEXT: Address:
  23 // OBJ-NEXT: Offset:
  24 // OBJ-NEXT: Size:
  25 // OBJ-NEXT: Link:
  26 // OBJ-NEXT: Info:
  27 // OBJ-NEXT: AddressAlignment:
  28 // OBJ-NEXT: EntrySize:
  29 // OBJ-NEXT: SectionData (
  30 // OBJ-NEXT:   0000: 18000000 00000000 017A5052 00017810
  31 // OBJ-NEXT:   0010: 061B0000 00001B0C 07089001 10000000
  32 // OBJ-NEXT:   0020: 20000000 00000000 00000000 00000000
  33 // OBJ-NEXT: )
  34
  35 // RUN: ld.lld --hash-style=sysv %t.o --no-rosegment -o %t -shared
  36
  37 // Check that .eh_frame is in the same segment as .text
  38 // RUN: llvm-readelf -l %t | FileCheck --check-prefix=PHDR %s
  39
  40 // PHDR: Segment Sections
  41 // PHDR: .eh_frame {{.*}}.text
  42
  43 // Check that the CIE and FDE are padded with 0x00 and not 0xCC when the
  44 // .eh_frame section is placed in the executable segment
  45 // RUN: llvm-readobj -S --section-data %t | FileCheck %s
  46
  47 // CHECK:      Name: .eh_frame
  48 // CHECK-NEXT: Type:
  49 // CHECK-NEXT: Flags
  50 // CHECK-NEXT:   SHF_ALLOC
  51 // CHECK-NEXT: ]
  52 // CHECK-NEXT: Address:
  53 // CHECK-NEXT: Offset:
  54 // CHECK-NEXT: Size:
  55 // CHECK-NEXT: Link:
  56 // CHECK-NEXT: Info:
  57 // CHECK-NEXT: AddressAlignment:
  58 // CHECK-NEXT: EntrySize:
  59 // CHECK-NEXT: SectionData (
  60 // CHECK-NEXT:   0000: 18000000 00000000 017A5052 00017810
  61 // CHECK-NEXT:   0010: 061B2200 00001B0C 07089001 10000000
  62 // CHECK-NEXT:   0020: 20000000 10000000 00000000 00000000
  63 // CHECK-NEXT:   0030: 00000000
  64 // CHECK-NEXT: )