llvm/test/ObjectYAML/wasm/section_header_size.yaml

   1 ## Test that obj2yaml output includes the section header size encoding length
   2 ## only when the length isn't padded to 5 bytes.
   3 # RUN: yaml2obj --docnum=1 %s | obj2yaml | FileCheck %s
   4
   5 --- !WASM
   6 FileHeader:
   7   Version:         0x1
   8 Sections:
   9   - Type:            TYPE
  10     HeaderSecSizeEncodingLen:   3
  11     Signatures:
  12       - Index:           0
  13         ParamTypes:
  14           - I32
  15           - I32
  16         ReturnTypes:
  17           - I32
  18   - Type:            FUNCTION
  19     HeaderSecSizeEncodingLen:  4
  20     FunctionTypes:             [ 0 ]
  21   - Type:            MEMORY
  22     HeaderSecSizeEncodingLen:  1
  23     Memories:
  24       - Flags:           [ HAS_MAX ]
  25         Minimum:         0x100
  26         Maximum:         0x100
  27   - Type:            EXPORT
  28     HeaderSecSizeEncodingLen:  5
  29     Exports:
  30       - Name:            add
  31         Kind:            FUNCTION
  32         Index:           0
  33   - Type:            CODE
  34     HeaderSecSizeEncodingLen:  2
  35     Functions:
  36       - Index:           0
  37         Locals:          []
  38         Body:            200020016A0B
  39 ...
  40 # CHECK: --- !WASM
  41 # CHECK-NEXT: FileHeader:
  42 # CHECK-NEXT:   Version:         0x1
  43 # CHECK-NEXT: Sections:
  44 # CHECK-NEXT:   - Type:            TYPE
  45 # CHECK-NEXT:     HeaderSecSizeEncodingLen:   3
  46 # CHECK-NEXT:     Signatures:
  47 # CHECK-NEXT:       - Index:           0
  48 # CHECK-NEXT:         ParamTypes:
  49 # CHECK-NEXT:           - I32
  50 # CHECK-NEXT:           - I32
  51 # CHECK-NEXT:         ReturnTypes:
  52 # CHECK-NEXT:           - I32
  53 # CHECK-NEXT:   - Type:            FUNCTION
  54 # CHECK-NEXT:     HeaderSecSizeEncodingLen:  4
  55 # CHECK-NEXT:     FunctionTypes:             [ 0 ]
  56 # CHECK-NEXT:   - Type:            MEMORY
  57 # CHECK-NEXT:     Memories:
  58 # CHECK-NEXT:       - Flags:           [ HAS_MAX ]
  59 # CHECK-NEXT:         Minimum:         0x100
  60 # CHECK-NEXT:         Maximum:         0x100
  61 # CHECK-NEXT:   - Type:            EXPORT
  62 # CHECK-NEXT:     Exports:
  63 # CHECK-NEXT:       - Name:            add
  64 # CHECK-NEXT:         Kind:            FUNCTION
  65 # CHECK-NEXT:         Index:           0
  66 # CHECK-NEXT:   - Type:            CODE
  67 # CHECK-NEXT:     HeaderSecSizeEncodingLen:  2
  68 # CHECK-NEXT:     Functions:
  69 # CHECK-NEXT:       - Index:           0
  70 # CHECK-NEXT:         Locals:          []
  71 # CHECK-NEXT:         Body:            200020016A0B
  72
  73 ## Test if we correctly error out if the provided section header size is less
  74 ## than the size required.
  75 # RUN: not yaml2obj --docnum=2 %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID
  76 # INVALID: yaml2obj: error: section header length can't be encoded in a LEB of size 0
  77
  78 --- !WASM
  79 FileHeader:
  80   Version:         0x1
  81 Sections:
  82   - Type:            TYPE
  83     HeaderSecSizeEncodingLen:   0
  84     Signatures:
  85       - Index:           0
  86         ParamTypes:
  87           - I32
  88           - I32
  89         ReturnTypes:
  90           - I32
  91 ...