{
  "title": "Starboard ABI Schema",
  "description": "This schema validates that a Starboard ABI file contains the required keys, no extras, and that the corresponding values are valid.",
  "type": "object",
  "properties": {
    "sb_api_version": {
      "type": "integer",
      "description": "The Starboard API version.",
      "enum": [12]
    },
    "target_arch": {
      "type": "string",
      "description": "The targeted architecture.",
      "enum": ["arm", "arm64", "x86", "x64"]
    },
    "target_arch_sub": {
      "type": "string",
      "description": "The targeted sub-architecture.",
      "enum": ["v6zk", "v7a", "v8a", ""]
    },
    "word_size": {
      "type": "integer",
      "description": "The word size.",
      "enum": [32, 64]
    },
    "endianness": {
      "type": "string",
      "description": "The endianness.",
      "enum": ["big", "little"]
    },
    "calling_convention": {
      "type": "string",
      "description": "The calling convention.",
      "enum": ["sysv", "eabi", "windows", "aarch64"]
    },
    "floating_point_abi": {
      "type": "string",
      "description": "The floating-point ABI.",
      "enum": ["hard", "softfp", ""]
    },
    "floating_point_fpu": {
      "type": "string",
      "description": "The floating-point hardware, if available.",
      "enum": ["vfpv2", "vfpv3", ""]
    },
    "signedness_of_char": {
      "type": "string",
      "description": "The signedness of the 'char' data type.",
      "enum": ["signed", "unsigned"]
    },
    "signedness_of_enum": {
      "type": "string",
      "description": "The signedness of the 'enum' data type.",
      "enum": ["signed", "unsigned"]
    },
    "alignment_char": {
      "type": "integer",
      "description": "The alignment of the 'char' data type.",
      "enum": [1]
    },
    "alignment_double": {
      "type": "integer",
      "description": "The alignment of the 'double' data type.",
      "enum": [8]
    },
    "alignment_float": {
      "type": "integer",
      "description": "The alignment of the 'float' data type.",
      "enum": [4]
    },
    "alignment_int": {
      "type": "integer",
      "description": "The alignment of the 'int' data type.",
      "enum": [4]
    },
    "alignment_llong": {
      "type": "integer",
      "description": "The alignment of the 'long long' data type.",
      "enum": [8]
    },
    "alignment_long": {
      "type": "integer",
      "description": "The alignment of the 'long' data type.",
      "enum": [4, 8]
    },
    "alignment_pointer": {
      "type": "integer",
      "description": "The alignment of pointers.",
      "enum": [4, 8]
    },
    "alignment_short": {
      "type": "integer",
      "description": "The alignment of the 'short' data type.",
      "enum": [2]
    },
    "size_of_char": {
      "type": "integer",
      "description": "The size of the 'char' data type.",
      "enum": [1]
    },
    "size_of_double": {
      "type": "integer",
      "description": "The size of the 'double' data type.",
      "enum": [8]
    },
    "size_of_enum": {
      "type": "integer",
      "description": "The size of the 'enum' data type.",
      "enum": [4]
    },
    "size_of_float": {
      "type": "integer",
      "description": "The size of the 'float' data type.",
      "enum": [4]
    },
    "size_of_int": {
      "type": "integer",
      "description": "The size of the 'int' data type.",
      "enum": [4]
    },
    "size_of_llong": {
      "type": "integer",
      "description": "The size of the 'long long' data type.",
      "enum": [8]
    },
    "size_of_long": {
      "type": "integer",
      "description": "The size of the 'long' data type.",
      "enum": [4, 8]
    },
    "size_of_pointer": {
      "type": "integer",
      "description": "The size of pointers.",
      "enum": [4, 8]
    },
    "size_of_short": {
      "type": "integer",
      "description": "The size of the 'short' data type.",
      "enum": [2]
    }
  },
  "required": [
    "sb_api_version",
    "target_arch",
    "target_arch_sub",
    "word_size",
    "endianness",
    "calling_convention",
    "floating_point_abi",
    "floating_point_fpu",
    "signedness_of_char",
    "signedness_of_enum",
    "alignment_char",
    "alignment_double",
    "alignment_float",
    "alignment_int",
    "alignment_llong",
    "alignment_long",
    "alignment_pointer",
    "alignment_short",
    "size_of_char",
    "size_of_enum",
    "size_of_double",
    "size_of_float",
    "size_of_int",
    "size_of_llong",
    "size_of_long",
    "size_of_pointer",
    "size_of_short"
  ],
  "additionalProperties": false
}