First commit

1 files changed, 202 insertions, 0 deletions

diff --git a/instr.h b/instr.h
new file mode 100644
index 0000000..616879f
--- /dev/null
+++ b/instr.h
@@ -0,0 +1,202 @@
+/*
+ * nwc, a NanoWasm compiler
+ * Copyright (C) 2025 Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef INSTR_H
+#define INSTR_H
+
+#include "types.h"
+#include <stdio.h>
+
+enum
+{
+    OP_UNREACHABLE,
+    OP_NOP,
+    OP_BLOCK,
+    OP_LOOP,
+    OP_IF,
+    OP_ELSE,
+    OP_END = 0xb,
+    OP_BR,
+    OP_BR_IF,
+    OP_BR_TABLE,
+    OP_RETURN,
+    OP_CALL,
+    OP_CALL_INDIRECT,
+    OP_DROP = 0x1a,
+    OP_SELECT,
+    OP_GET_LOCAL = 0x20,
+    OP_SET_LOCAL,
+    OP_TEE_LOCAL,
+    OP_GET_GLOBAL,
+    OP_SET_GLOBAL,
+    OP_I32_LOAD = 0x28,
+    OP_I64_LOAD,
+    OP_F32_LOAD,
+    OP_F64_LOAD,
+    OP_I32_LOAD8_S,
+    OP_I32_LOAD8_U,
+    OP_I32_LOAD16_S,
+    OP_I32_LOAD16_U,
+    OP_I64_LOAD8_S,
+    OP_I64_LOAD8_U,
+    OP_I64_LOAD16_S,
+    OP_I64_LOAD16_U,
+    OP_I64_LOAD32_S,
+    OP_I64_LOAD32_U,
+    OP_I32_STORE,
+    OP_I64_STORE,
+    OP_F32_STORE,
+    OP_F64_STORE,
+    OP_I32_STORE8,
+    OP_I32_STORE16,
+    OP_I64_STORE8,
+    OP_I64_STORE16,
+    OP_I64_STORE132,
+    OP_CURRENT_MEMORY,
+    OP_GROW_MEMORY,
+    OP_I32_CONST,
+    OP_I64_CONST,
+    OP_F32_CONST,
+    OP_F64_CONST,
+    OP_I32_EQZ,
+    OP_I32_EQ,
+    OP_I32_NE,
+    OP_I32_LT_S,
+    OP_I32_LT_U,
+    OP_I32_GT_S,
+    OP_I32_GT_U,
+    OP_I32_LE_S,
+    OP_I32_LE_U,
+    OP_I32_GE_S,
+    OP_I32_GE_U,
+    OP_I64_EQZ,
+    OP_I64_EQ,
+    OP_I64_NE,
+    OP_I64_LT_S,
+    OP_I64_LT_U,
+    OP_I64_GT_S,
+    OP_I64_GT_U,
+    OP_I64_LE_S,
+    OP_I64_LE_U,
+    OP_I64_GE_S,
+    OP_I64_GE_U,
+    OP_F32_EQ,
+    OP_F32_NE,
+    OP_F32_LT,
+    OP_F32_GT,
+    OP_F32_LE,
+    OP_F32_GE,
+    OP_F64_EQ,
+    OP_F64_NE,
+    OP_F64_LT,
+    OP_F64_GT,
+    OP_F64_LE,
+    OP_F64_GE,
+    OP_I32_CLZ,
+    OP_I32_CTZ,
+    OP_I32_POPCNT,
+    OP_I32_ADD,
+    OP_I32_SUB,
+    OP_I32_MUL,
+    OP_I32_DIV_S,
+    OP_I32_DIV_U,
+    OP_I32_REM_S,
+    OP_I32_REM_U,
+    OP_I32_AND,
+    OP_I32_OR,
+    OP_I32_XOR,
+    OP_I32_SHL,
+    OP_I32_SHR_S,
+    OP_I32_SHR_U,
+    OP_I32_ROTL,
+    OP_I32_ROTR,
+    OP_I64_CLZ,
+    OP_I64_CTZ,
+    OP_I64_POPCNT,
+    OP_I64_ADD,
+    OP_I64_SUB,
+    OP_I64_MUL,
+    OP_I64_DIV_S,
+    OP_I64_DIV_U,
+    OP_I64_REM_S,
+    OP_I64_REM_U,
+    OP_I64_AND,
+    OP_I64_OR,
+    OP_I64_XOR,
+    OP_I64_SHL,
+    OP_I64_SHR_S,
+    OP_I64_SHR_U,
+    OP_I64_ROTL,
+    OP_I64_ROTR,
+    OP_F32_ABS,
+    OP_F32_NEG,
+    OP_F32_CEIL,
+    OP_F32_FLOOR,
+    OP_F32_TRUNC,
+    OP_F32_NEAREST,
+    OP_F32_SQRT,
+    OP_F32_ADD,
+    OP_F32_SUB,
+    OP_F32_MUL,
+    OP_F32_DIV,
+    OP_F32_MIN,
+    OP_F32_MAX,
+    OP_F32_COPYSIGN,
+    OP_F64_ABS,
+    OP_F64_NEG,
+    OP_F64_CEIL,
+    OP_F64_FLOOR,
+    OP_F64_TRUNC,
+    OP_F64_NEAREST,
+    OP_F64_SQRT,
+    OP_F64_ADD,
+    OP_F64_SUB,
+    OP_F64_MUL,
+    OP_F64_DIV,
+    OP_F64_MIN,
+    OP_F64_MAX,
+    OP_F64_COPYSIGN,
+    OP_I32_WRAP_I64,
+    OP_I32_TRUNC_S_F32,
+    OP_I32_TRUNC_U_F32,
+    OP_I32_TRUNC_S_F64,
+    OP_I32_TRUNC_U_F64,
+    OP_I64_EXTEND_S_I32,
+    OP_I64_EXTEND_U_I32,
+    OP_I64_TRUNC_S_F32,
+    OP_I64_TRUNC_U_F32,
+    OP_I64_TRUNC_S_F64,
+    OP_I64_TRUNC_U_F64,
+    OP_F32_CONVERT_S_I32,
+    OP_F32_CONVERT_U_I32,
+    OP_F32_CONVERT_S_I64,
+    OP_F32_CONVERT_U_I64,
+    OP_F32_DEMOTE_F64,
+    OP_F64_CONVERT_S_I32,
+    OP_F64_CONVERT_U_I32,
+    OP_F64_CONVERT_S_I64,
+    OP_F64_CONVERT_U_I64,
+    OP_F64_PROMOTE_F32,
+    OP_I32_REINTERPRET_F32,
+    OP_I64_REINTERPRET_F64,
+    OP_F32_REINTERPRET_I32,
+    OP_F64_REINTERPRET_I64,
+    OP_EXTRA = 0xfc,
+};
+
+#endif