llvm/test/tools/llvm-readobj/ELF/ARM/unwind-non-relocatable.test

   1 ## Check that we dump the unwind information for a non-relocatable input properly.
   2
   3 ## Check that we correctly decode function addresses and that we are able to
   4 ## locate corresponding STT_FUNC symbols and dump function names properly.
   5 # RUN: yaml2obj %s -o %t
   6 # RUN: llvm-readobj -u %t | FileCheck --check-prefix=UNWIND %s
   7 # RUN: llvm-readelf -u %t | FileCheck --check-prefix=UNWIND %s
   8
   9 # UNWIND:      UnwindInformation {
  10 # UNWIND-NEXT:   UnwindIndexTable {
  11 # UNWIND-NEXT:     SectionIndex: 2
  12 # UNWIND-NEXT:     SectionName: .ARM.exidx
  13 # UNWIND-NEXT:     SectionOffset: 0x34
  14 # UNWIND-NEXT:     Entries [
  15 # UNWIND-NEXT:       Entry {
  16 # UNWIND-NEXT:         FunctionAddress: 0x230
  17 # UNWIND-NEXT:         FunctionName: func1
  18 # UNWIND-NEXT:         Model: Compact (Inline)
  19 # UNWIND-NEXT:         PersonalityIndex: 0
  20 # UNWIND-NEXT:         Opcodes [
  21 # UNWIND-NEXT:           0xB0      ; finish
  22 # UNWIND-NEXT:           0xB0      ; finish
  23 # UNWIND-NEXT:           0xB0      ; finish
  24 # UNWIND-NEXT:         ]
  25 # UNWIND-NEXT:       }
  26 # UNWIND-NEXT:       Entry {
  27 # UNWIND-NEXT:         FunctionAddress: 0x234
  28 # UNWIND-NEXT:         FunctionName: func2
  29 # UNWIND-NEXT:         Model: Compact (Inline)
  30 # UNWIND-NEXT:         PersonalityIndex: 0
  31 # UNWIND-NEXT:         Opcodes [
  32 # UNWIND-NEXT:           0x9B      ; vsp = r11
  33 # UNWIND-NEXT:           0x84 0x80 ; pop {fp, lr}
  34 # UNWIND-NEXT:         ]
  35 # UNWIND-NEXT:       }
  36 # UNWIND-NEXT:       Entry {
  37 # UNWIND-NEXT:         FunctionAddress: 0x248
  38 # UNWIND-NEXT:         FunctionName: func3
  39 # UNWIND-NEXT:         Model: Compact (Inline)
  40 # UNWIND-NEXT:         PersonalityIndex: 0
  41 # UNWIND-NEXT:         Opcodes [
  42 # UNWIND-NEXT:           0xB0      ; finish
  43 # UNWIND-NEXT:           0xB0      ; finish
  44 # UNWIND-NEXT:           0xB0      ; finish
  45 # UNWIND-NEXT:         ]
  46 # UNWIND-NEXT:       }
  47 # UNWIND-NEXT:       Entry {
  48 # UNWIND-NEXT:         FunctionAddress: 0x24C
  49 # UNWIND-NEXT:         Model: CantUnwind
  50 # UNWIND-NEXT:       }
  51 # UNWIND-NEXT:       Entry {
  52 # UNWIND-NEXT:         FunctionAddress: 0x4000026B
  53 # UNWIND-NEXT:         FunctionName: func4
  54 # UNWIND-NEXT:         Model: Compact (Inline)
  55 # UNWIND-NEXT:         PersonalityIndex: 0
  56 # UNWIND-NEXT:         Opcodes [
  57 # UNWIND-NEXT:           0xB0      ; finish
  58 # UNWIND-NEXT:           0xB0      ; finish
  59 # UNWIND-NEXT:           0xB0      ; finish
  60 # UNWIND-NEXT:         ]
  61 # UNWIND-NEXT:       }
  62 # UNWIND-NEXT:       Entry {
  63 # UNWIND-NEXT:         FunctionAddress: 0x25C
  64 # UNWIND-NEXT:         FunctionName: func5
  65 # UNWIND-NEXT:         ExceptionHandlingTable: .ARM.extab
  66 # UNWIND-NEXT:         TableEntryAddress: 0xAABE44
  67 # UNWIND-NEXT:         Model: Generic
  68 # UNWIND-NEXT:         PersonalityRoutineAddress: 0x33CCCF44
  69 # UNWIND-NEXT:         PersonalityRoutineName: personality1
  70 # UNWIND-NEXT:       }
  71 # UNWIND-NEXT:       Entry {
  72 # UNWIND-NEXT:         FunctionAddress: 0x25C
  73 # UNWIND-NEXT:         FunctionName: func5
  74 # UNWIND-NEXT:         ExceptionHandlingTable: .ARM.extab
  75 # UNWIND-NEXT:         TableEntryAddress: 0xAABE48
  76 # UNWIND-NEXT:         Model: Generic
  77 # UNWIND-NEXT:         PersonalityRoutineAddress: 0xFFFFFFFFF811138C
  78 # UNWIND-NEXT:       }
  79 # UNWIND-NEXT:     ]
  80 # UNWIND-NEXT:   }
  81 # UNWIND-NEXT: }
  82
  83 --- !ELF
  84 FileHeader:
  85   Class:   ELFCLASS32
  86   Data:    ELFDATA2LSB
  87   Type:    ET_DYN
  88   Machine: EM_ARM
  89 Sections:
  90   - Name:    .text
  91     Type:    SHT_PROGBITS
  92     Address: 0x230
  93   - Name:    .ARM.exidx
  94     Type:    SHT_ARM_EXIDX
  95     Address: 0x24C
  96     Entries:
  97 ## A. Address of .ARM.exidx (0x24C) + entry offset (0) + 0x7fffffe4 (31 bit) == 0x230 (func1).
  98       - Offset: 0x7FFFFFE4
  99         Value:  0x80B0B0B0 ## arbitrary opcodes.
 100 ## B. Address of .ARM.exidx (0x24C) + entry offset (8) + 0x7fffffe0 (31 bit) == 0x234 (func2).
 101       - Offset: 0x7FFFFFE0
 102         Value:  0x809B8480 ## arbitrary opcodes.
 103 ## C. Address of .ARM.exidx (0x24C) + entry offset (16) + 0x7fffffec (31 bit) == 0x248 (func3).
 104       - Offset: 0x7FFFFFEC
 105         Value:  0x80B0B0B0 ## arbitrary opcodes.
 106 ## D. Address of .ARM.exidx (0x24C) + entry offset (24) + 0x7fffffe8 (31 bit) == 0x24C.
 107       - Offset: 0x7FFFFFE8
 108         Value:  EXIDX_CANTUNWIND
 109 ## E. Address of .ARM.exidx (0x24C) + entry offset (32) + 0x3FFFFFFF (31 bit) == 0x4000026b (func4).
 110       - Offset: 0x3FFFFFFF
 111         Value:  0x80B0B0B0 ## arbitrary opcodes.
 112 ## F. Address of .ARM.exidx (0x24C) + entry offset (40) + 0x7FFFFFE8 (31 bit) == 0x25c (func5).
 113       - Offset: 0x7FFFFFE8
 114 ## Generic model. .ARM.exidx (0x24C) + entry offset (40 + 4) + 0x00AABBCC ==
 115 ##                0x00AABE44 == address of entry [0] in the .ARM.extab section.
 116 ##                0x00AABE44 + 0x33221100 (31 bit, signed, .ARM.extab entry [0] value) ==
 117 ##                  0x33cccf44 == personality1 routine address.
 118         Value:  0x00AABBCC
 119 ## G. Address of .ARM.exidx (0x24C) + entry offset (48) + 0x7FFFFFE0 (31 bit) == 0x25c (func5).
 120       - Offset: 0x7FFFFFE0
 121 ## Generic model. .ARM.exidx (0x24C) + entry offset (48 + 4) + 0x00AABBC8 ==
 122 ##                0x00AABE48 == address of entry [1] in the .ARM.extab section.
 123 ##                0x00AABE48 + 0x77665544 (31 bit, signed, .ARM.extab entry [1] value) ==
 124 ##                  0xFFFFFFFFF811138C == the address of a personality routine function that does not exist.
 125         Value:  0x00AABBC8
 126   - Name:    .ARM.extab
 127     Type:    SHT_PROGBITS
 128     Address: 0x00AABE44
 129     Content: "0011223344556677"
 130 Symbols:
 131   - Name:    func1
 132     Type:    STT_FUNC
 133     Section: .text
 134     Value:   0x230
 135   - Name:    func2
 136     Type:    STT_FUNC
 137     Section: .text
 138     Value:   0x234
 139   - Name:    func3
 140     Type:    STT_FUNC
 141     Section: .text
 142     Value:   0x248
 143   - Name:    func4
 144     Type:    STT_FUNC
 145     Section: .text
 146     Value:   0x4000026b
 147   - Name:    func5
 148     Type:    STT_FUNC
 149     Section: .text
 150     Value:   0x25c
 151   - Name:  personality1
 152     Type:  STT_FUNC
 153     Value: 0x33cccf44