1796c32c9Schristos /* WebAssembly assembler/disassembler support. 2*02f41505Schristos Copyright (C) 2017-2024 Free Software Foundation, Inc. 3796c32c9Schristos 4796c32c9Schristos This file is part of GAS, the GNU assembler. 5796c32c9Schristos 6796c32c9Schristos GAS is free software; you can redistribute it and/or modify it 7796c32c9Schristos under the terms of the GNU General Public License as published by 8796c32c9Schristos the Free Software Foundation; either version 3, or (at your option) 9796c32c9Schristos any later version. 10796c32c9Schristos 11796c32c9Schristos GAS is distributed in the hope that it will be useful, but WITHOUT 12796c32c9Schristos ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13796c32c9Schristos or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14796c32c9Schristos License for more details. 15796c32c9Schristos 16796c32c9Schristos You should have received a copy of the GNU General Public License 17796c32c9Schristos along with GAS; see the file COPYING3. If not, write to the Free 18796c32c9Schristos Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 19796c32c9Schristos 02110-1301, USA. */ 20796c32c9Schristos 21796c32c9Schristos /* WebAssembly opcodes. Each opcode invokes the WASM_OPCODE macro 22796c32c9Schristos with the following arguments: 23796c32c9Schristos 24796c32c9Schristos 1. Code byte. 25796c32c9Schristos 2. Mnemonic. 26796c32c9Schristos 3. Input type. 27796c32c9Schristos 4. Output type. 28796c32c9Schristos 5. Opcode class. 29796c32c9Schristos 6. Signedness information. 30796c32c9Schristos */ 31796c32c9Schristos 32796c32c9Schristos WASM_OPCODE (0x00, "unreachable", void, void, special, agnostic) 33796c32c9Schristos WASM_OPCODE (0x01, "nop", void, void, special, agnostic) 34796c32c9Schristos WASM_OPCODE (0x02, "block", void, void, typed, agnostic) 35796c32c9Schristos WASM_OPCODE (0x03, "loop", void, void, typed, agnostic) 36796c32c9Schristos WASM_OPCODE (0x04, "if", void, void, typed, agnostic) 37796c32c9Schristos WASM_OPCODE (0x05, "else", void, void, special, agnostic) 38796c32c9Schristos WASM_OPCODE (0x0b, "end", void, void, special, agnostic) 39796c32c9Schristos WASM_OPCODE (0x0c, "br", void, void, break, agnostic) 40796c32c9Schristos WASM_OPCODE (0x0d, "br_if", void, void, break_if, agnostic) 41796c32c9Schristos WASM_OPCODE (0x0e, "br_table", void, void, break_table, agnostic) 42796c32c9Schristos WASM_OPCODE (0x0f, "return", void, void, return, agnostic) 43796c32c9Schristos 44796c32c9Schristos WASM_OPCODE (0x10, "call", any, any, call, agnostic) 45796c32c9Schristos WASM_OPCODE (0x11, "call_indirect", any, any, call_indirect, agnostic) 46796c32c9Schristos 47796c32c9Schristos WASM_OPCODE (0x1a, "drop", any, any, drop, agnostic) 48796c32c9Schristos WASM_OPCODE (0x1b, "select", any, any, select, agnostic) 49796c32c9Schristos 50796c32c9Schristos WASM_OPCODE (0x20, "get_local", any, any, get_local, agnostic) 51796c32c9Schristos WASM_OPCODE (0x21, "set_local", any, any, set_local, agnostic) 52796c32c9Schristos WASM_OPCODE (0x22, "tee_local", any, any, tee_local, agnostic) 53796c32c9Schristos WASM_OPCODE (0x23, "get_global", any, any, get_local, agnostic) 54796c32c9Schristos WASM_OPCODE (0x24, "set_global", any, any, set_local, agnostic) 55796c32c9Schristos 56796c32c9Schristos WASM_OPCODE (0x28, "i32.load", i32, i32, load, agnostic) 57796c32c9Schristos WASM_OPCODE (0x29, "i64.load", i32, i64, load, agnostic) 58796c32c9Schristos WASM_OPCODE (0x2a, "f32.load", i32, f32, load, agnostic) 59796c32c9Schristos WASM_OPCODE (0x2b, "f64.load", i32, f64, load, agnostic) 60796c32c9Schristos WASM_OPCODE (0x2c, "i32.load8_s", i32, i32, load, signed) 61796c32c9Schristos WASM_OPCODE (0x2d, "i32.load8_u", i32, i32, load, unsigned) 62796c32c9Schristos WASM_OPCODE (0x2e, "i32.load16_s", i32, i32, load, signed) 63796c32c9Schristos WASM_OPCODE (0x2f, "i32.load16_u", i32, i32, load, unsigned) 64796c32c9Schristos WASM_OPCODE (0x30, "i64.load8_s", i32, i64, load, signed) 65796c32c9Schristos WASM_OPCODE (0x31, "i64.load8_u", i32, i64, load, unsigned) 66796c32c9Schristos WASM_OPCODE (0x32, "i64.load16_s", i32, i64, load, signed) 67796c32c9Schristos WASM_OPCODE (0x33, "i64.load16_u", i32, i64, load, unsigned) 68796c32c9Schristos WASM_OPCODE (0x34, "i64.load32_s", i32, i64, load, signed) 69796c32c9Schristos WASM_OPCODE (0x35, "i64.load32_u", i32, i64, load, unsigned) 70796c32c9Schristos WASM_OPCODE (0x36, "i32.store", i32, void, store, agnostic) 71796c32c9Schristos WASM_OPCODE (0x37, "i64.store", i64, void, store, agnostic) 72796c32c9Schristos WASM_OPCODE (0x38, "f32.store", f32, void, store, agnostic) 73796c32c9Schristos WASM_OPCODE (0x39, "f64.store", f64, void, store, agnostic) 74796c32c9Schristos WASM_OPCODE (0x3a, "i32.store8", i32, void, store, agnostic) 75796c32c9Schristos WASM_OPCODE (0x3b, "i32.store16", i32, void, store, agnostic) 76796c32c9Schristos WASM_OPCODE (0x3c, "i64.store8", i64, void, store, agnostic) 77796c32c9Schristos WASM_OPCODE (0x3d, "i64.store16", i64, void, store, agnostic) 78796c32c9Schristos WASM_OPCODE (0x3e, "i64.store32", i64, void, store, agnostic) 79796c32c9Schristos 80796c32c9Schristos WASM_OPCODE (0x3f, "current_memory", void, i32, current_memory, agnostic) 81796c32c9Schristos WASM_OPCODE (0x40, "grow_memory", void, i32, grow_memory, agnostic) 82796c32c9Schristos 83796c32c9Schristos WASM_OPCODE (0x41, "i32.const", i32, i32, constant_i32, agnostic) 84796c32c9Schristos WASM_OPCODE (0x42, "i64.const", i64, i64, constant_i64, agnostic) 85796c32c9Schristos WASM_OPCODE (0x43, "f32.const", f32, f32, constant_f32, agnostic) 86796c32c9Schristos WASM_OPCODE (0x44, "f64.const", f64, f64, constant_f64, agnostic) 87796c32c9Schristos 88796c32c9Schristos WASM_OPCODE (0x45, "i32.eqz", i32, i32, eqz, agnostic) 89796c32c9Schristos WASM_OPCODE (0x46, "i32.eq", i32, i32, relational, agnostic) 90796c32c9Schristos WASM_OPCODE (0x47, "i32.ne", i32, i32, relational, agnostic) 91796c32c9Schristos WASM_OPCODE (0x48, "i32.lt_s", i32, i32, relational, signed) 92796c32c9Schristos WASM_OPCODE (0x49, "i32.lt_u", i32, i32, relational, unsigned) 93796c32c9Schristos WASM_OPCODE (0x4a, "i32.gt_s", i32, i32, relational, signed) 94796c32c9Schristos WASM_OPCODE (0x4b, "i32.gt_u", i32, i32, relational, unsigned) 95796c32c9Schristos WASM_OPCODE (0x4c, "i32.le_s", i32, i32, relational, signed) 96796c32c9Schristos WASM_OPCODE (0x4d, "i32.le_u", i32, i32, relational, unsigned) 97796c32c9Schristos WASM_OPCODE (0x4e, "i32.ge_s", i32, i32, relational, signed) 98796c32c9Schristos WASM_OPCODE (0x4f, "i32.ge_u", i32, i32, relational, unsigned) 99796c32c9Schristos 100796c32c9Schristos WASM_OPCODE (0x50, "i64.eqz", i64, i32, eqz, agnostic) 101796c32c9Schristos WASM_OPCODE (0x51, "i64.eq", i64, i32, relational, agnostic) 102796c32c9Schristos WASM_OPCODE (0x52, "i64.ne", i64, i32, relational, agnostic) 103796c32c9Schristos WASM_OPCODE (0x53, "i64.lt_s", i64, i32, relational, signed) 104796c32c9Schristos WASM_OPCODE (0x54, "i64.lt_u", i64, i32, relational, unsigned) 105796c32c9Schristos WASM_OPCODE (0x55, "i64.gt_s", i64, i32, relational, signed) 106796c32c9Schristos WASM_OPCODE (0x56, "i64.gt_u", i64, i32, relational, unsigned) 107796c32c9Schristos WASM_OPCODE (0x57, "i64.le_s", i64, i32, relational, signed) 108796c32c9Schristos WASM_OPCODE (0x58, "i64.le_u", i64, i32, relational, unsigned) 109796c32c9Schristos WASM_OPCODE (0x59, "i64.ge_s", i64, i32, relational, signed) 110796c32c9Schristos WASM_OPCODE (0x5a, "i64.ge_u", i64, i32, relational, unsigned) 111796c32c9Schristos 112796c32c9Schristos WASM_OPCODE (0x5b, "f32.eq", f32, i32, relational, floating) 113796c32c9Schristos WASM_OPCODE (0x5c, "f32.ne", f32, i32, relational, floating) 114796c32c9Schristos WASM_OPCODE (0x5d, "f32.lt", f32, i32, relational, floating) 115796c32c9Schristos WASM_OPCODE (0x5e, "f32.gt", f32, i32, relational, floating) 116796c32c9Schristos WASM_OPCODE (0x5f, "f32.le", f32, i32, relational, floating) 117796c32c9Schristos WASM_OPCODE (0x60, "f32.ge", f32, i32, relational, floating) 118796c32c9Schristos 119796c32c9Schristos WASM_OPCODE (0x61, "f64.eq", f64, i32, relational, floating) 120796c32c9Schristos WASM_OPCODE (0x62, "f64.ne", f64, i32, relational, floating) 121796c32c9Schristos WASM_OPCODE (0x63, "f64.lt", f64, i32, relational, floating) 122796c32c9Schristos WASM_OPCODE (0x64, "f64.gt", f64, i32, relational, floating) 123796c32c9Schristos WASM_OPCODE (0x65, "f64.le", f64, i32, relational, floating) 124796c32c9Schristos WASM_OPCODE (0x66, "f64.ge", f64, i32, relational, floating) 125796c32c9Schristos 126796c32c9Schristos WASM_OPCODE (0x67, "i32.clz", i32, i32, unary, agnostic) 127796c32c9Schristos WASM_OPCODE (0x68, "i32.ctz", i32, i32, unary, agnostic) 128796c32c9Schristos WASM_OPCODE (0x69, "i32.popcnt", i32, i32, unary, agnostic) 129796c32c9Schristos 130796c32c9Schristos WASM_OPCODE (0x6a, "i32.add", i32, i32, binary, agnostic) 131796c32c9Schristos WASM_OPCODE (0x6b, "i32.sub", i32, i32, binary, agnostic) 132796c32c9Schristos WASM_OPCODE (0x6c, "i32.mul", i32, i32, binary, agnostic) 133796c32c9Schristos WASM_OPCODE (0x6d, "i32.div_s", i32, i32, binary, signed) 134796c32c9Schristos WASM_OPCODE (0x6e, "i32.div_u", i32, i32, binary, unsigned) 135796c32c9Schristos WASM_OPCODE (0x6f, "i32.rem_s", i32, i32, binary, signed) 136796c32c9Schristos WASM_OPCODE (0x70, "i32.rem_u", i32, i32, binary, unsigned) 137796c32c9Schristos WASM_OPCODE (0x71, "i32.and", i32, i32, binary, agnostic) 138796c32c9Schristos WASM_OPCODE (0x72, "i32.or", i32, i32, binary, agnostic) 139796c32c9Schristos WASM_OPCODE (0x73, "i32.xor", i32, i32, binary, agnostic) 140796c32c9Schristos WASM_OPCODE (0x74, "i32.shl", i32, i32, binary, agnostic) 141796c32c9Schristos WASM_OPCODE (0x75, "i32.shr_s", i32, i32, binary, signed) 142796c32c9Schristos WASM_OPCODE (0x76, "i32.shr_u", i32, i32, binary, unsigned) 143796c32c9Schristos WASM_OPCODE (0x77, "i32.rotl", i32, i32, binary, agnostic) 144796c32c9Schristos WASM_OPCODE (0x78, "i32.rotr", i32, i32, binary, agnostic) 145796c32c9Schristos 146796c32c9Schristos WASM_OPCODE (0x79, "i64.clz", i64, i64, unary, agnostic) 147796c32c9Schristos WASM_OPCODE (0x7a, "i64.ctz", i64, i64, unary, agnostic) 148796c32c9Schristos WASM_OPCODE (0x7b, "i64.popcnt", i64, i64, unary, agnostic) 149796c32c9Schristos 150796c32c9Schristos WASM_OPCODE (0x7c, "i64.add", i64, i64, binary, agnostic) 151796c32c9Schristos WASM_OPCODE (0x7d, "i64.sub", i64, i64, binary, agnostic) 152796c32c9Schristos WASM_OPCODE (0x7e, "i64.mul", i64, i64, binary, agnostic) 153796c32c9Schristos WASM_OPCODE (0x7f, "i64.div_s", i64, i64, binary, signed) 154796c32c9Schristos WASM_OPCODE (0x80, "i64.div_u", i64, i64, binary, unsigned) 155796c32c9Schristos WASM_OPCODE (0x81, "i64.rem_s", i64, i64, binary, signed) 156796c32c9Schristos WASM_OPCODE (0x82, "i64.rem_u", i64, i64, binary, unsigned) 157796c32c9Schristos WASM_OPCODE (0x83, "i64.and", i64, i64, binary, agnostic) 158796c32c9Schristos WASM_OPCODE (0x84, "i64.or", i64, i64, binary, agnostic) 159796c32c9Schristos WASM_OPCODE (0x85, "i64.xor", i64, i64, binary, agnostic) 160796c32c9Schristos WASM_OPCODE (0x86, "i64.shl", i64, i64, binary, agnostic) 161796c32c9Schristos WASM_OPCODE (0x87, "i64.shr_s", i64, i64, binary, signed) 162796c32c9Schristos WASM_OPCODE (0x88, "i64.shr_u", i64, i64, binary, unsigned) 163796c32c9Schristos WASM_OPCODE (0x89, "i64.rotl", i64, i64, binary, agnostic) 164796c32c9Schristos WASM_OPCODE (0x8a, "i64.rotr", i64, i64, binary, agnostic) 165796c32c9Schristos 166796c32c9Schristos WASM_OPCODE (0x8b, "f32.abs", f32, f32, unary, floating) 167796c32c9Schristos WASM_OPCODE (0x8c, "f32.neg", f32, f32, unary, floating) 168796c32c9Schristos WASM_OPCODE (0x8d, "f32.ceil", f32, f32, unary, floating) 169796c32c9Schristos WASM_OPCODE (0x8e, "f32.floor", f32, f32, unary, floating) 170796c32c9Schristos WASM_OPCODE (0x8f, "f32.trunc", f32, f32, unary, floating) 171796c32c9Schristos WASM_OPCODE (0x90, "f32.nearest", f32, f32, unary, floating) 172796c32c9Schristos WASM_OPCODE (0x91, "f32.sqrt", f32, f32, unary, floating) 173796c32c9Schristos WASM_OPCODE (0x92, "f32.add", f32, f32, binary, floating) 174796c32c9Schristos WASM_OPCODE (0x93, "f32.sub", f32, f32, binary, floating) 175796c32c9Schristos WASM_OPCODE (0x94, "f32.mul", f32, f32, binary, floating) 176796c32c9Schristos WASM_OPCODE (0x95, "f32.div", f32, f32, binary, floating) 177796c32c9Schristos WASM_OPCODE (0x96, "f32.min", f32, f32, binary, floating) 178796c32c9Schristos WASM_OPCODE (0x97, "f32.max", f32, f32, binary, floating) 179796c32c9Schristos WASM_OPCODE (0x98, "f32.copysign", f32, f32, binary, floating) 180796c32c9Schristos 181796c32c9Schristos WASM_OPCODE (0x99, "f64.abs", f64, f64, unary, floating) 182796c32c9Schristos WASM_OPCODE (0x9a, "f64.neg", f64, f64, unary, floating) 183796c32c9Schristos WASM_OPCODE (0x9b, "f64.ceil", f64, f64, unary, floating) 184796c32c9Schristos WASM_OPCODE (0x9c, "f64.floor", f64, f64, unary, floating) 185796c32c9Schristos WASM_OPCODE (0x9d, "f64.trunc", f64, f64, unary, floating) 186796c32c9Schristos WASM_OPCODE (0x9e, "f64.nearest", f64, f64, unary, floating) 187796c32c9Schristos WASM_OPCODE (0x9f, "f64.sqrt", f64, f64, unary, floating) 188796c32c9Schristos WASM_OPCODE (0xa0, "f64.add", f64, f64, binary, floating) 189796c32c9Schristos WASM_OPCODE (0xa1, "f64.sub", f64, f64, binary, floating) 190796c32c9Schristos WASM_OPCODE (0xa2, "f64.mul", f64, f64, binary, floating) 191796c32c9Schristos WASM_OPCODE (0xa3, "f64.div", f64, f64, binary, floating) 192796c32c9Schristos WASM_OPCODE (0xa4, "f64.min", f64, f64, binary, floating) 193796c32c9Schristos WASM_OPCODE (0xa5, "f64.max", f64, f64, binary, floating) 194796c32c9Schristos WASM_OPCODE (0xa6, "f64.copysign", f64, f64, binary, floating) 195796c32c9Schristos 196796c32c9Schristos WASM_OPCODE (0xa7, "i32.wrap/i64", i64, i32, conv, agnostic) 197796c32c9Schristos WASM_OPCODE (0xa8, "i32.trunc_s/f32", f32, i32, conv, signed) 198796c32c9Schristos WASM_OPCODE (0xa9, "i32.trunc_u/f32", f32, i32, conv, unsigned) 199796c32c9Schristos WASM_OPCODE (0xaa, "i32.trunc_s/f64", f64, i32, conv, signed) 200796c32c9Schristos WASM_OPCODE (0xab, "i32.trunc_u/f64", f64, i32, conv, unsigned) 201796c32c9Schristos WASM_OPCODE (0xac, "i64.extend_s/i32", i32, i64, conv, signed) 202796c32c9Schristos WASM_OPCODE (0xad, "i64.extend_u/i32", i32, i64, conv, unsigned) 203796c32c9Schristos WASM_OPCODE (0xae, "i64.trunc_s/f32", f32, i64, conv, signed) 204796c32c9Schristos WASM_OPCODE (0xaf, "i64.trunc_u/f32", f32, i64, conv, unsigned) 205796c32c9Schristos WASM_OPCODE (0xb0, "i64.trunc_s/f64", f64, i64, conv, signed) 206796c32c9Schristos WASM_OPCODE (0xb1, "i64.trunc_u/f64", f64, i64, conv, unsigned) 207796c32c9Schristos 208796c32c9Schristos WASM_OPCODE (0xb2, "f32.convert_s/i32", i32, f32, conv, signed) 209796c32c9Schristos WASM_OPCODE (0xb3, "f32.convert_u/i32", i32, f32, conv, unsigned) 210796c32c9Schristos WASM_OPCODE (0xb4, "f32.convert_s/i64", i64, f32, conv, signed) 211796c32c9Schristos WASM_OPCODE (0xb5, "f32.convert_u/i64", i64, f32, conv, unsigned) 212796c32c9Schristos WASM_OPCODE (0xb6, "f32.demote/f64", f64, f32, conv, floating) 213796c32c9Schristos WASM_OPCODE (0xb7, "f64.convert_s/i32", i32, f64, conv, signed) 214796c32c9Schristos WASM_OPCODE (0xb8, "f64.convert_u/i32", i32, f64, conv, unsigned) 215796c32c9Schristos WASM_OPCODE (0xb9, "f64.convert_s/i64", i64, f64, conv, signed) 216796c32c9Schristos WASM_OPCODE (0xba, "f64.convert_u/i64", i64, f64, conv, unsigned) 217796c32c9Schristos WASM_OPCODE (0xbb, "f64.promote/f32", f32, f64, conv, floating) 218796c32c9Schristos 219796c32c9Schristos WASM_OPCODE (0xbc, "i32.reinterpret/f32", f32, i32, conv, agnostic) 220796c32c9Schristos WASM_OPCODE (0xbd, "i64.reinterpret/f64", f64, i64, conv, agnostic) 221796c32c9Schristos WASM_OPCODE (0xbe, "f32.reinterpret/i32", i32, f32, conv, agnostic) 222796c32c9Schristos WASM_OPCODE (0xbf, "f64.reinterpret/i64", i64, f64, conv, agnostic) 223796c32c9Schristos 224796c32c9Schristos /* This isn't, strictly speaking, an opcode, but is treated as such by 225796c32c9Schristos the assembler. */ 226796c32c9Schristos WASM_OPCODE (0x60, "signature", void, void, signature, agnostic) 227