diff options
Diffstat (limited to '')
| -rw-r--r-- | opcodes.py | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/opcodes.py b/opcodes.py new file mode 100644 index 0000000..f7c9a1b --- /dev/null +++ b/opcodes.py @@ -0,0 +1,332 @@ +from enum import Enum + +SectionID = {0:"custom", 1:"type", 2:"import", 3:"function", 4:"table", 5:"memory", 6:"global", 7:"export", 8:"start", 9:"element", 10:"code", 11:"data", 63:"unknown"} + +class RelocType(Enum): + R_WEBASSEMBLY_FUNCTION_INDEX_LEB = 0 + R_WEBASSEMBLY_TABLE_INDEX_SLEB = 1 + R_WEBASSEMBLY_TABLE_INDEX_I32 = 2 + R_WEBASSEMBLY_MEMORY_ADDR_LEB = 3 + R_WEBASSEMBLY_MEMORY_ADDR_SLEB = 4 + R_WEBASSEMBLY_MEMORY_ADDR_I32 = 5 + R_WEBASSEMBLY_TYPE_INDEX_LEB = 6 + R_WEBASSEMBLY_GLOBAL_INDEX_LEB = 7 + R_WEBASSEMPLY_FUNCTION_OFFSET_I32 = 8 + R_WEBASSEMBLY_SECTION_OFFSET_I32 = 9 + +class LinkingSubsection(Enum): + WASM_SEGMENT_INFO = 5 + WASM_INIT_FUNCS = 6 + WASM_COMDAT_INFO = 7 + WASM_SYMBOL_TABLE = 8 + +class TypeType(Enum): + none = 1 + lebu = 2 + lebs = 3 + flot = 4 + dobl = 5 + +class Syminfo_Kind(): + SYMTAB_FUNCTION = 0 + SYMTAB_DATA = 1 + SYMTAB_GLOBAL = 2 + SYMTAB_SECTION = 3 + +TypeKS = [['uint8', 8, TypeType.none], ['uint16', 16, TypeType.none], + ['uint32', 32, TypeType.none], ['uint64', 64, TypeType.none], + ['varuint1', 1, TypeType.lebu], ['varuint7', 7, TypeType.lebu], + ['varuint32', 32, TypeType.lebu], ['varuint64', 64, TypeType.lebu], + ['varint1', 1, TypeType.lebs], ['varint7', 7, TypeType.lebs], + ['varint32', 32, TypeType.lebs], ['varint64', 64, TypeType.lebs]] + +TypeDic = {'uint8': 1, 'uint16': 2, 'uint32': 4, 'uint64': 8, + 'varuint1': 1, 'varuint7': 1, 'varuint32': 4, 'varuint64': 8, + 'varint1': 1, 'varint7': 1, 'varint32': 4, 'varint64': 8} + +# holds the version 1.0 wasm opcodes and immediates +class WASM_OP_Code: + version_number = 0x01 + magic_number = 0x6d736100 + PAGE_SIZE = 65536 + uint8 = 1 + uint16 = 2 + uint32 = 4 + uint64 = 8 + varuint1 = 1 + varuint7 = 1 + varuint32 = 4 + varuint64 = 8 + varint1 = 1 + varint7 = 1 + varint32 = 4 + varint64 = 8 + floatt = 4 + doublet = 8 + + all_ops = [('i32', '7f', False), ('i64', '7e', False), ('f32', '7d', False), + ('f64', '7c', False), ('anyfunc', '7b', False), + ('func', '60', False), ('empty_block_type', '40', False), + ('unreachable', '00', False), ('nop', '01', False), + ('block', '02', True, ('varuint7')), + ('loop', '03', True, ('varuint7')), + ('if', '04', True, ('varuint7')), ('else', '05', False), + ('end', '0b', False), ('br', '0c', True, ('varuint32')), + ('br_if', '0d', True, ('varuint32')), + ('br_table', '0e', True, ('varuint32', 'varuint32', 'varuint32')), + ('return', '0f', False), ('call', '10', True, ('varuint32')), + ('call_indirect', '11', True, ('varuint32', 'varuint1')), + ('drop', '1a', False), ('select', '1b', False), + ('get_local', '20', True, ('varuint32')), + ('set_local', '21', True, ('varuint32')), + ('tee_local', '22', True, ('varuint32')), + ('get_global', '23', True, ('varuint32')), + ('set_global', '24', True, ('varuint32')), + ('i32.load', '28', True, ('varuint32', 'varuint32')), + ('i64.load', '29', True, ('varuint32', 'varuint32')), + ('f32.load', '2a', True, ('varuint32', 'varuint32')), + ('f64.load', '2b', True, ('varuint32', 'varuint32')), + ('i32.load8_s', '2c', True, ('varuint32', 'varuint32')), + ('i32.load8_u', '2d', True, ('varuint32', 'varuint32')), + ('i32.load16_s', '2e', True, ('varuint32', 'varuint32')), + ('i32.load16_u', '2f', True, ('varuint32', 'varuint32')), + ('i64.load8_s', '30', True, ('varuint32', 'varuint32')), + ('i64.load8_u', '31', True, ('varuint32', 'varuint32')), + ('i64.load16_s', '32', True, ('varuint32', 'varuint32')), + ('i64.load16_u', '33', True, ('varuint32', 'varuint32')), + ('i64.load32_s', '34', True, ('varuint32', 'varuint32')), + ('i64.load32_u', '35', True, ('varuint32', 'varuint32')), + ('i32.store', '36', True, ('varuint32', 'varuint32')), + ('i64.store', '37', True, ('varuint32', 'varuint32')), + ('f32.store', '38', True, ('varuint32', 'varuint32')), + ('f64.store', '39', True, ('varuint32', 'varuint32')), + ('i32.store8', '3a', True, ('varuint32', 'varuint32')), + ('i32.store16', '3b', True, ('varuint32', 'varuint32')), + ('i64.store8', '3c', True, ('varuint32', 'varuint32')), + ('i64.store16', '3d', True, ('varuint32', 'varuint32')), + ('i64.store32', '3e', True, ('varuint32', 'varuint32')), + ('current_memory', '3f', True, ('varuint1')), + ('grow_memory', '40', True, ('varuint1')), + ('i32.const', '41', True, ('varint32')), + ('i64.const', '42', True, ('varint64')), + ('f32.const', '43', True, ('uint32')), + ('f64.const', '44', True, ('uint64')), + ('i32.eqz', '45', False), ('i32.eq', '46', False), + ('i32.ne', '47', False), ('i32.lt_s', '48', False), + ('i32.lt_u', '49', False), ('i32.gt_s', '4a', False), + ('i32.gt_u', '4b', False), ('i32.le_s', '4c', False), + ('i32.le_u', '4d', False), ('i32.ge_s', '4e', False), + ('i32.ge_u', '4f', False), ('i64.eqz', '50', False), + ('i64.eq', '51', False), ('i64.ne', '52', False), + ('i64.lt_s', '53', False), ('i64.lt_u', '54', False), + ('i64.gt_s', '55', False), ('i64.gt_u', '56', False), + ('i64.le_s', '57', False), ('i64.le_u', '58', False), + ('i64.ge_s', '59', False), ('i64.ge_u', '5a', False), + ('f32.eq', '5b', False), ('f32.ne', '5c', False), + ('f32.lt', '5d', False), ('f32.gt', '5e', False), + ('f32.le', '5f', False), ('f32.ge', '60', False), + ('f64.eq', '61', False), ('f64.ne', '62', False), + ('f64.lt', '63', False), ('f64.gt', '64', False), + ('f64.le', '65', False), ('f64.ge', '66', False), + ('i32.clz', '67', False), ('i32.ctz', '68', False), + ('i32.popcnt', '69', False), ('i32.add', '6a', False), + ('i32.sub', '6b', False), ('i32.mul', '6c', False), + ('i32.div_s', '6d', False), ('i32.div_u', '6e', False), + ('i32.rem_s', '6f', False), ('i32.rem_u', '70', False), + ('i32.and', '71', False), ('i32.or', '72', False), + ('i32.xor', '73', False), ('i32.shl', '74', False), + ('i32.shr_s', '75', False), ('i32.shr_u', '76', False), + ('i32.rotl', '77', False), ('i32.rotr', '78', False), + ('i64.clz', '79', False), ('i64.ctz', '7a', False), + ('i64.popcnt', '7b', False), ('i64.add', '7c', False), + ('i64.sub', '7d', False), ('i64.mul', '7e', False), + ('i64.div_s', '7f', False), ('i64.div_u', '80', False), + ('i64.rem_s', '81', False), ('i64.rem_u', '82', False), + ('i64.and', '83', False), ('i64.or', '84', False), + ('i64.xor', '85', False), ('i64.shl', '86', False), + ('i64.shr_s', '87', False), ('i64.shr_u', '88', False), + ('i64.rotl', '89', False), ('i63.rotr', '8a', False), + ('f32.abs', '8b', False), ('f32.neg', '8c', False), + ('f32.ceil', '8d', False), ('f32.floor', '8e', False), + ('f32.trunc', '8f', False), ('f32.nearest', '90', False), + ('f32.sqrt', '91', False), ('f32.add', '92', False), + ('f32.sub', '93', False), ('f32.mul', '94', False), + ('f32.div', '95', False), ('f32.min', '96', False), + ('f32.max', '97', False), ('f32.copysign', '98', False), + ('f64.abs', '99', False), ('f64.neg', '9a', False), + ('f64.ceil', '9b', False), ('f64.floor', '9c', False), + ('f64.trunc', '9d', False), ('f64.nearest', '9e', False), + ('f64.sqrt', '9f', False), ('f64.add', 'a0', False), + ('f64.sub', 'a1', False), ('f64.mul', 'a2', False), + ('f64.div', 'a3', False), ('f64.min', 'a4', False), + ('f64.max', 'a5', False), ('f64.copysign', 'a6', False), + ('i32.wrap/i64', 'a7', False), ('i32.trunc_s/f32', 'a8', False), + ('i32.trunc_u/f32', 'a9', False), + ('i32.trunc_s/f64', 'aa', False), + ('i32.trunc_u/f64', 'ab', False), + ('i64.extend_s/i32', 'ac', False), + ('i64.extend_u/i32', 'ad', False), + ('i64.trunc_s/f32', 'ae', False), + ('i64.trunc_u/f32', 'af', False), + ('i64.trunc_s/f64', 'b0', False), + ('i64.trunc_u/f64', 'b1', False), + ('f32.convert_s/i32', 'b2', False), + ('f32.convert_u/i32', 'b3', False), + ('f32.convert_s/i64', 'b4', False), + ('f32.convert_u/i64', 'b5', False), + ('f32.demote/f64', 'b6', False), + ('f64.convert_s/i32', 'b7', False), + ('f64.convert_u/i32', 'b8', False), + ('f64.convert_s/i64', 'b9', False), + ('f64.convert_u/i64', 'ba', False), + ('f64.promote/f32', 'bb', False), + ('i32.reinterpret/f32', 'bc', False), + ('i64.reinterpret/f64', 'bd', False), + ('f32.reinterpret/i32', 'be', False), + ('f64.reinterpret/i64', 'bf', False)] + + type_ops = [('i32', '7f'), ('i64', '7e'), ('f32', '7d'), + ('f64', '7c'), ('anyfunc', '7b'), ('func', '60'), + ('empty_block_type', '40')] + type_ops_dict = dict(type_ops) + type_ops_dict_rev = {v: k for k, v in type_ops_dict.items()} + + control_flow_ops = [('unreachable', '00'), ('nop', '01'), + ('block', '02'), ('loop', '03'), + ('if', '04'), ('else', '05'), + ('end', '0b'), ('br', '0c'), + ('br_if', '0d'), ('br_table', '0e'), + ('return', '0f')] + control_flow_ops_dict = dict(control_flow_ops) + control_flow_ops_dict_rev = {v: k for k, v in control_flow_ops_dict.items()} + + call_ops = [('call', '10'), ('call_indirect', '11')] + call_ops_dict = dict(call_ops) + call_ops_dict_rev = {v: k for k, v in call_ops_dict.items()} + + param_ops = [('drop', '1a'), ('select', '1b')] + param_ops_dict = dict(param_ops) + param_ops_dict_rev = {v: k for k, v in param_ops_dict.items()} + + var_access = [('get_local', '20'), ('set_local', '21'), + ('tee_local', '22'), ('get_global', '23'), + ('set_global', '24')] + var_access_dict = dict(var_access) + var_access_dict_rev = {v: k for k, v in var_access_dict.items()} + + mem_ops = [('i32.load', '28'), ('i64.load', '29'), + ('f32.load', '2a'), ('f64.load', '2b'), + ('i32.load8_s', '2c'), ('i32.load8_u', '2d'), + ('i32.load16_s', '2e'), ('i32.load16_u', '2f'), + ('i64.load8_s', '30'), ('i64.load8_u', '31'), + ('i64.load16_s', '32'), ('i64.load16_u', '33'), + ('i64.load32_s', '34'), ('i64.load32_u', '35'), + ('i32.store', '36'), ('i64.store', '37'), + ('f32.store', '38'), ('f64.store', '39'), + ('i32.store8', '3a'), ('i32.store16', '3b'), + ('i64.store8', '3c'), ('i64.store16', '3d'), + ('i64.store32', '3e'), ('current_memory', '3f'), + ('grow_memory', '40')] + mem_ops_dict = dict(mem_ops) + mem_ops_dict_rev = {v: k for k, v in mem_ops_dict.items()} + + consts = [('i32.const', '41'), ('i64.const', '42'), + ('f32.const', '43'), ('f64', '44')] + consts_dict = dict(consts) + consts_dict_rev = {v: k for k, v in consts_dict.items()} + + comp_ops = [('i32.eqz', '45'), ('i32.eq', '46'), ('i32.ne', '47'), + ('i32.lt_s', '48'), ('i32.lt_u', '49'), + ('i32.gt_s', '4a'), ('i32.gt_u', '4b'), + ('i32.le_s', '4c'), ('i32.le_u', '4d'), + ('i32.ge_s', '4e'), ('i32.ge_u', '4f'), + ('i64.eqz', '50'), ('i64.eq', '51'), + ('i64.ne', '52'), ('i64.lt_s', '53'), + ('i64.lt_u', '54'), ('i64.gt_s', '55'), + ('i64.gt_u', '56'), ('i64.le_s', '57'), + ('i64.le_u', '58'), ('i64.ge_s', '59'), + ('i64.ge_u', '5a'), ('f32.eq', '5b'), + ('f32.ne', '5c'), ('f32.lt', '5d'), + ('f32.gt', '5e'), ('f32.le', '5f'), + ('f32.ge', '60'), ('f64.eq', '61'), + ('f64.ne', '62'), ('f64.lt', '63'), + ('f64.gt', '64'), ('f64.le', '65'), + ('f64.ge', '66')] + comp_ops_dict = dict(comp_ops) + comp_ops_dict_rev = {v: k for k, v in comp_ops_dict.items()} + + num_ops = [('i32.clz', '67'), ('i32.ctz', '68'), + ('i32.popcnt', '69'), ('i32.add', '6a'), + ('i32.sub', '6b'), ('i32.mul', '6c'), + ('i32.div_s', '6d'), ('i32.div_u', '6e'), + ('i32.rem_s', '6e'), ('i32.rem_u', '70'), + ('i32.and', '71'), ('i32.or', '72'), + ('i32.xor', '73'), ('i32.shl', '74'), + ('i32.shr_s', '75'), ('i32.shr_u', '76'), + ('i32.rotl', '77'), ('i32.rotr', '78'), + ('i64.clz', '79'), ('i64.ctz', '7a'), + ('i64.popcnt', '7b'), ('i64.add', '7c'), + ('i64.sub', '7d'), ('i64.mul', '7e'), + ('i64.div_s', '7f'), ('i64.div_u', '80'), + ('i64.rem_s', '81'), ('i64.rem_u', '82'), + ('i64.and', '83'), ('i64.or', '84'), + ('i64.xor', '85'), ('i64.shl', '86'), + ('i64.shr_s', '87'), ('i64.shr_u', '88'), + ('i64.rotl', '89'), ('i63.rotr', '8a'), + ('f32.abs', '8b'), ('f32.neg', '8c'), + ('f32.ceil', '8d'), ('f32.floor', '8e'), + ('f32.trunc', '8f'), ('f32.nearest', '90'), + ('f32.sqrt', '91'), ('f32.add', '92'), + ('f32.sub', '93'), ('f32.mul', '94'), + ('f32.div', '95'), ('f32.min', '96'), + ('f32.max', '97'), ('f32.copysign', '98'), + ('f64.abs', '99'), ('f64.neg', '9a'), + ('f64.ceil', '9b'), ('f64.floor', '9c'), + ('f64.trunc', '9d'), ('f64.nearest', '9e'), + ('f64.sqrt', '9f'), ('f64.add', 'a0'), + ('f64.sub', 'a1'), ('f64.mul', 'a2'), + ('f64.div', 'a3'), ('f64.min', 'a4'), + ('f64.max', 'a5'), ('f64.copysign', 'a6')] + num_ops_dict = dict(num_ops) + num_ops_dict_rev = {v: k for k, v in num_ops_dict.items()} + + conversion = [('i32.wrap/i64', 'a7'), + ('i32.trunc_s/f32', 'a8'), + ('i32.trunc_u/f32', 'a9'), + ('i32.trunc_s/f64', 'aa'), + ('i32.trunc_u/f64', 'ab'), + ('i64.extend_s/i32', 'ac'), + ('i64.extend_u/i32', 'ad'), + ('i64.trunc_s/f32', 'ae'), + ('i64.trunc_u/f32', 'af'), + ('i64.trunc_s/f64', 'b0'), + ('i64.trunc_u/f64', 'b1'), + ('f32.convert_s/i32', 'b2'), + ('f32.convert_u/i32', 'b3'), + ('f32.convert_s/i64', 'b4'), + ('f32.convert_u/i64', 'b5'), + ('f32.demote/f64', 'b6'), + ('f64.convert_s/i32', 'b7'), + ('f64.convert_u/i32', 'b8'), + ('f64.convert_s/i64', 'b9'), + ('f64.convert_u/i64', 'ba'), + ('f64.promote/f32', 'bb')] + conversion_dict = dict(conversion) + conversion_dict_rev = {v: k for k, v in conversion_dict.items()} + + reinterpretations = [('i32.reinterpret/f32', 'bc'), + ('i64.reinterpret/f64', 'bd'), + ('f32.reinterpret/i32', 'be'), + ('f64.reinterpret/i64', 'bf')] + reinterpretations_dict = dict(reinterpretations) + reinterpretations_dict_rev = {v: k for k, + v in reinterpretations_dict.items()} + + section_code = [('type', '01'), ('import', '02'), + ('function', '03'), ('table', '04'), + ('memory', '05'), ('global', '06'), + ('export', '07'), ('start', '08'), + ('element', '09'), ('code', '0a'), + ('data', '0b'), ('custom', '00')] + section_code_dict = dict(section_code) + section_code_dict_rev = {v: k for k, v in section_code_dict.items()} |