/* * Copyright (C) 2019 Intel Corporation. All rights reserved. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception */ #include "wasm_interp.h" #include "bh_log.h" #include "wasm_runtime.h" #include "wasm_opcode.h" #include "wasm_loader.h" #include "../common/wasm_exec_env.h" #if WASM_ENABLE_SHARED_MEMORY != 0 #include "../common/wasm_shared_memory.h" #endif #if WASM_ENABLE_THREAD_MGR != 0 && WASM_ENABLE_DEBUG_INTERP != 0 #include "../libraries/thread-mgr/thread_manager.h" #include "../libraries/debug-engine/debug_engine.h" #endif typedef int32 CellType_I32; typedef int64 CellType_I64; typedef float32 CellType_F32; typedef float64 CellType_F64; #define BR_TABLE_TMP_BUF_LEN 32 #define CHECK_MEMORY_OVERFLOW(bytes) \ do { \ uint64 offset1 = (uint64)offset + (uint64)addr; \ if (offset1 + bytes <= (uint64)linear_mem_size) \ /* If offset1 is in valid range, maddr must also \ be in valid range, no need to check it again. */ \ maddr = memory->memory_data + offset1; \ else \ goto out_of_bounds; \ } while (0) #define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \ do { \ uint64 offset1 = (uint32)(start); \ if (offset1 + bytes <= (uint64)linear_mem_size) \ /* App heap space is not valid space for \ bulk memory operation */ \ maddr = memory->memory_data + offset1; \ else \ goto out_of_bounds; \ } while (0) #define CHECK_ATOMIC_MEMORY_ACCESS() \ do { \ if (((uintptr_t)maddr & (((uintptr_t)1 << align) - 1)) != 0) \ goto unaligned_atomic; \ } while (0) static inline uint32 rotl32(uint32 n, uint32 c) { const uint32 mask = (31); c = c % 32; c &= mask; return (n << c) | (n >> ((0 - c) & mask)); } static inline uint32 rotr32(uint32 n, uint32 c) { const uint32 mask = (31); c = c % 32; c &= mask; return (n >> c) | (n << ((0 - c) & mask)); } static inline uint64 rotl64(uint64 n, uint64 c) { const uint64 mask = (63); c = c % 64; c &= mask; return (n << c) | (n >> ((0 - c) & mask)); } static inline uint64 rotr64(uint64 n, uint64 c) { const uint64 mask = (63); c = c % 64; c &= mask; return (n >> c) | (n << ((0 - c) & mask)); } static inline double wa_fmax(double a, double b) { double c = fmax(a, b); if (c == 0 && a == b) return signbit(a) ? b : a; return c; } static inline double wa_fmin(double a, double b) { double c = fmin(a, b); if (c == 0 && a == b) return signbit(a) ? a : b; return c; } static inline uint32 clz32(uint32 type) { uint32 num = 0; if (type == 0) return 32; while (!(type & 0x80000000)) { num++; type <<= 1; } return num; } static inline uint32 clz64(uint64 type) { uint32 num = 0; if (type == 0) return 64; while (!(type & 0x8000000000000000LL)) { num++; type <<= 1; } return num; } static inline uint32 ctz32(uint32 type) { uint32 num = 0; if (type == 0) return 32; while (!(type & 1)) { num++; type >>= 1; } return num; } static inline uint32 ctz64(uint64 type) { uint32 num = 0; if (type == 0) return 64; while (!(type & 1)) { num++; type >>= 1; } return num; } static inline uint32 popcount32(uint32 u) { uint32 ret = 0; while (u) { u = (u & (u - 1)); ret++; } return ret; } static inline uint32 popcount64(uint64 u) { uint32 ret = 0; while (u) { u = (u & (u - 1)); ret++; } return ret; } static uint64 read_leb(const uint8 *buf, uint32 *p_offset, uint32 maxbits, bool sign) { uint64 result = 0, byte; uint32 offset = *p_offset; uint32 shift = 0; while (true) { byte = buf[offset++]; result |= ((byte & 0x7f) << shift); shift += 7; if ((byte & 0x80) == 0) { break; } } if (sign && (shift < maxbits) && (byte & 0x40)) { /* Sign extend */ result |= (~((uint64)0)) << shift; } *p_offset = offset; return result; } #define skip_leb(p) while (*p++ & 0x80) #define PUSH_I32(value) \ do { \ *(int32 *)frame_sp++ = (int32)(value); \ } while (0) #define PUSH_F32(value) \ do { \ *(float32 *)frame_sp++ = (float32)(value); \ } while (0) #define PUSH_I64(value) \ do { \ PUT_I64_TO_ADDR(frame_sp, value); \ frame_sp += 2; \ } while (0) #define PUSH_F64(value) \ do { \ PUT_F64_TO_ADDR(frame_sp, value); \ frame_sp += 2; \ } while (0) #define PUSH_CSP(_label_type, param_cell_num, cell_num, _target_addr) \ do { \ bh_assert(frame_csp < frame->csp_boundary); \ /* frame_csp->label_type = _label_type; */ \ frame_csp->cell_num = cell_num; \ frame_csp->begin_addr = frame_ip; \ frame_csp->target_addr = _target_addr; \ frame_csp->frame_sp = frame_sp - param_cell_num; \ frame_csp++; \ } while (0) #define POP_I32() (--frame_sp, *(int32 *)frame_sp) #define POP_F32() (--frame_sp, *(float32 *)frame_sp) #define POP_I64() (frame_sp -= 2, GET_I64_FROM_ADDR(frame_sp)) #define POP_F64() (frame_sp -= 2, GET_F64_FROM_ADDR(frame_sp)) #define POP_CSP_CHECK_OVERFLOW(n) \ do { \ bh_assert(frame_csp - n >= frame->csp_bottom); \ } while (0) #define POP_CSP() \ do { \ POP_CSP_CHECK_OVERFLOW(1); \ --frame_csp; \ } while (0) #define POP_CSP_N(n) \ do { \ uint32 *frame_sp_old = frame_sp; \ uint32 cell_num_to_copy; \ POP_CSP_CHECK_OVERFLOW(n + 1); \ frame_csp -= n; \ frame_ip = (frame_csp - 1)->target_addr; \ /* copy arity values of block */ \ frame_sp = (frame_csp - 1)->frame_sp; \ cell_num_to_copy = (frame_csp - 1)->cell_num; \ if (cell_num_to_copy > 0) { \ word_copy(frame_sp, frame_sp_old - cell_num_to_copy, \ cell_num_to_copy); \ } \ frame_sp += cell_num_to_copy; \ } while (0) /* Pop the given number of elements from the given frame's stack. */ #define POP(N) \ do { \ int n = (N); \ frame_sp -= n; \ } while (0) #define SYNC_ALL_TO_FRAME() \ do { \ frame->sp = frame_sp; \ frame->ip = frame_ip; \ frame->csp = frame_csp; \ } while (0) #define UPDATE_ALL_FROM_FRAME() \ do { \ frame_sp = frame->sp; \ frame_ip = frame->ip; \ frame_csp = frame->csp; \ } while (0) #define read_leb_int64(p, p_end, res) \ do { \ uint8 _val = *p; \ if (!(_val & 0x80)) { \ res = (int64)_val; \ if (_val & 0x40) \ /* sign extend */ \ res |= 0xFFFFFFFFFFFFFF80LL; \ p++; \ break; \ } \ uint32 _off = 0; \ res = (int64)read_leb(p, &_off, 64, true); \ p += _off; \ } while (0) #define read_leb_uint32(p, p_end, res) \ do { \ uint8 _val = *p; \ if (!(_val & 0x80)) { \ res = _val; \ p++; \ break; \ } \ uint32 _off = 0; \ res = (uint32)read_leb(p, &_off, 32, false); \ p += _off; \ } while (0) #define read_leb_int32(p, p_end, res) \ do { \ uint8 _val = *p; \ if (!(_val & 0x80)) { \ res = (int32)_val; \ if (_val & 0x40) \ /* sign extend */ \ res |= 0xFFFFFF80; \ p++; \ break; \ } \ uint32 _off = 0; \ res = (int32)read_leb(p, &_off, 32, true); \ p += _off; \ } while (0) #if WASM_ENABLE_LABELS_AS_VALUES == 0 #define RECOVER_FRAME_IP_END() frame_ip_end = wasm_get_func_code_end(cur_func) #else #define RECOVER_FRAME_IP_END() (void)0 #endif #define RECOVER_CONTEXT(new_frame) \ do { \ frame = (new_frame); \ cur_func = frame->function; \ prev_frame = frame->prev_frame; \ frame_ip = frame->ip; \ RECOVER_FRAME_IP_END(); \ frame_lp = frame->lp; \ frame_sp = frame->sp; \ frame_csp = frame->csp; \ } while (0) #if WASM_ENABLE_LABELS_AS_VALUES != 0 #define GET_OPCODE() opcode = *(frame_ip - 1); #else #define GET_OPCODE() (void)0 #endif #define DEF_OP_I_CONST(ctype, src_op_type) \ do { \ ctype cval; \ read_leb_##ctype(frame_ip, frame_ip_end, cval); \ PUSH_##src_op_type(cval); \ } while (0) #define DEF_OP_EQZ(src_op_type) \ do { \ int32 pop_val; \ pop_val = POP_##src_op_type() == 0; \ PUSH_I32(pop_val); \ } while (0) #define DEF_OP_CMP(src_type, src_op_type, cond) \ do { \ uint32 res; \ src_type val1, val2; \ val2 = (src_type)POP_##src_op_type(); \ val1 = (src_type)POP_##src_op_type(); \ res = val1 cond val2; \ PUSH_I32(res); \ } while (0) #define DEF_OP_BIT_COUNT(src_type, src_op_type, operation) \ do { \ src_type val1, val2; \ val1 = (src_type)POP_##src_op_type(); \ val2 = (src_type)operation(val1); \ PUSH_##src_op_type(val2); \ } while (0) #define DEF_OP_NUMERIC(src_type1, src_type2, src_op_type, operation) \ do { \ frame_sp -= sizeof(src_type2) / sizeof(uint32); \ *(src_type1 *)(frame_sp - sizeof(src_type1) / sizeof(uint32)) \ operation## = *(src_type2 *)(frame_sp); \ } while (0) #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 #define DEF_OP_NUMERIC_64 DEF_OP_NUMERIC #else #define DEF_OP_NUMERIC_64(src_type1, src_type2, src_op_type, operation) \ do { \ src_type1 val1; \ src_type2 val2; \ frame_sp -= 2; \ val1 = (src_type1)GET_##src_op_type##_FROM_ADDR(frame_sp - 2); \ val2 = (src_type2)GET_##src_op_type##_FROM_ADDR(frame_sp); \ val1 operation## = val2; \ PUT_##src_op_type##_TO_ADDR(frame_sp - 2, val1); \ } while (0) #endif #define DEF_OP_NUMERIC2(src_type1, src_type2, src_op_type, operation) \ do { \ frame_sp -= sizeof(src_type2) / sizeof(uint32); \ *(src_type1 *)(frame_sp - sizeof(src_type1) / sizeof(uint32)) \ operation## = (*(src_type2 *)(frame_sp) % 32); \ } while (0) #define DEF_OP_NUMERIC2_64(src_type1, src_type2, src_op_type, operation) \ do { \ src_type1 val1; \ src_type2 val2; \ frame_sp -= 2; \ val1 = (src_type1)GET_##src_op_type##_FROM_ADDR(frame_sp - 2); \ val2 = (src_type2)GET_##src_op_type##_FROM_ADDR(frame_sp); \ val1 operation## = (val2 % 64); \ PUT_##src_op_type##_TO_ADDR(frame_sp - 2, val1); \ } while (0) #define DEF_OP_MATH(src_type, src_op_type, method) \ do { \ src_type src_val; \ src_val = POP_##src_op_type(); \ PUSH_##src_op_type(method(src_val)); \ } while (0) #define TRUNC_FUNCTION(func_name, src_type, dst_type, signed_type) \ static dst_type func_name(src_type src_value, src_type src_min, \ src_type src_max, dst_type dst_min, \ dst_type dst_max, bool is_sign) \ { \ dst_type dst_value = 0; \ if (!isnan(src_value)) { \ if (src_value <= src_min) \ dst_value = dst_min; \ else if (src_value >= src_max) \ dst_value = dst_max; \ else { \ if (is_sign) \ dst_value = (dst_type)(signed_type)src_value; \ else \ dst_value = (dst_type)src_value; \ } \ } \ return dst_value; \ } TRUNC_FUNCTION(trunc_f32_to_i32, float32, uint32, int32) TRUNC_FUNCTION(trunc_f32_to_i64, float32, uint64, int64) TRUNC_FUNCTION(trunc_f64_to_i32, float64, uint32, int32) TRUNC_FUNCTION(trunc_f64_to_i64, float64, uint64, int64) static bool trunc_f32_to_int(WASMModuleInstance *module, uint32 *frame_sp, float32 src_min, float32 src_max, bool saturating, bool is_i32, bool is_sign) { float32 src_value = POP_F32(); uint64 dst_value_i64; uint32 dst_value_i32; if (!saturating) { if (isnan(src_value)) { wasm_set_exception(module, "invalid conversion to integer"); return true; } else if (src_value <= src_min || src_value >= src_max) { wasm_set_exception(module, "integer overflow"); return true; } } if (is_i32) { uint32 dst_min = is_sign ? INT32_MIN : 0; uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX; dst_value_i32 = trunc_f32_to_i32(src_value, src_min, src_max, dst_min, dst_max, is_sign); PUSH_I32(dst_value_i32); } else { uint64 dst_min = is_sign ? INT64_MIN : 0; uint64 dst_max = is_sign ? INT64_MAX : UINT64_MAX; dst_value_i64 = trunc_f32_to_i64(src_value, src_min, src_max, dst_min, dst_max, is_sign); PUSH_I64(dst_value_i64); } return false; } static bool trunc_f64_to_int(WASMModuleInstance *module, uint32 *frame_sp, float64 src_min, float64 src_max, bool saturating, bool is_i32, bool is_sign) { float64 src_value = POP_F64(); uint64 dst_value_i64; uint32 dst_value_i32; if (!saturating) { if (isnan(src_value)) { wasm_set_exception(module, "invalid conversion to integer"); return true; } else if (src_value <= src_min || src_value >= src_max) { wasm_set_exception(module, "integer overflow"); return true; } } if (is_i32) { uint32 dst_min = is_sign ? INT32_MIN : 0; uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX; dst_value_i32 = trunc_f64_to_i32(src_value, src_min, src_max, dst_min, dst_max, is_sign); PUSH_I32(dst_value_i32); } else { uint64 dst_min = is_sign ? INT64_MIN : 0; uint64 dst_max = is_sign ? INT64_MAX : UINT64_MAX; dst_value_i64 = trunc_f64_to_i64(src_value, src_min, src_max, dst_min, dst_max, is_sign); PUSH_I64(dst_value_i64); } return false; } #define DEF_OP_TRUNC_F32(min, max, is_i32, is_sign) \ do { \ if (trunc_f32_to_int(module, frame_sp, min, max, false, is_i32, \ is_sign)) \ goto got_exception; \ } while (0) #define DEF_OP_TRUNC_F64(min, max, is_i32, is_sign) \ do { \ if (trunc_f64_to_int(module, frame_sp, min, max, false, is_i32, \ is_sign)) \ goto got_exception; \ } while (0) #define DEF_OP_TRUNC_SAT_F32(min, max, is_i32, is_sign) \ do { \ (void)trunc_f32_to_int(module, frame_sp, min, max, true, is_i32, \ is_sign); \ } while (0) #define DEF_OP_TRUNC_SAT_F64(min, max, is_i32, is_sign) \ do { \ (void)trunc_f64_to_int(module, frame_sp, min, max, true, is_i32, \ is_sign); \ } while (0) #define DEF_OP_CONVERT(dst_type, dst_op_type, src_type, src_op_type) \ do { \ dst_type value = (dst_type)(src_type)POP_##src_op_type(); \ PUSH_##dst_op_type(value); \ } while (0) #define GET_LOCAL_INDEX_TYPE_AND_OFFSET() \ do { \ uint32 param_count = cur_func->param_count; \ read_leb_uint32(frame_ip, frame_ip_end, local_idx); \ bh_assert(local_idx < param_count + cur_func->local_count); \ local_offset = cur_func->local_offsets[local_idx]; \ if (local_idx < param_count) \ local_type = cur_func->param_types[local_idx]; \ else \ local_type = cur_func->local_types[local_idx - param_count]; \ } while (0) #define DEF_ATOMIC_RMW_OPCODE(OP_NAME, op) \ case WASM_OP_ATOMIC_RMW_I32_##OP_NAME: \ case WASM_OP_ATOMIC_RMW_I32_##OP_NAME##8_U: \ case WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U: \ { \ uint32 readv, sval; \ \ sval = POP_I32(); \ addr = POP_I32(); \ \ if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##8_U) { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint32)(*(uint8 *)maddr); \ *(uint8 *)maddr = (uint8)(readv op sval); \ os_mutex_unlock(&memory->mem_lock); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U) { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint32)LOAD_U16(maddr); \ STORE_U16(maddr, (uint16)(readv op sval)); \ os_mutex_unlock(&memory->mem_lock); \ } \ else { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = LOAD_I32(maddr); \ STORE_U32(maddr, readv op sval); \ os_mutex_unlock(&memory->mem_lock); \ } \ PUSH_I32(readv); \ break; \ } \ case WASM_OP_ATOMIC_RMW_I64_##OP_NAME: \ case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U: \ case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U: \ case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U: \ { \ uint64 readv, sval; \ \ sval = (uint64)POP_I64(); \ addr = POP_I32(); \ \ if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U) { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint64)(*(uint8 *)maddr); \ *(uint8 *)maddr = (uint8)(readv op sval); \ os_mutex_unlock(&memory->mem_lock); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U) { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint64)LOAD_U16(maddr); \ STORE_U16(maddr, (uint16)(readv op sval)); \ os_mutex_unlock(&memory->mem_lock); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U) { \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint64)LOAD_U32(maddr); \ STORE_U32(maddr, (uint32)(readv op sval)); \ os_mutex_unlock(&memory->mem_lock); \ } \ else { \ uint64 op_result; \ CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); \ CHECK_ATOMIC_MEMORY_ACCESS(); \ \ os_mutex_lock(&memory->mem_lock); \ readv = (uint64)LOAD_I64(maddr); \ op_result = readv op sval; \ STORE_I64(maddr, op_result); \ os_mutex_unlock(&memory->mem_lock); \ } \ PUSH_I64(readv); \ break; \ } static inline int32 sign_ext_8_32(int8 val) { if (val & 0x80) return (int32)val | (int32)0xffffff00; return val; } static inline int32 sign_ext_16_32(int16 val) { if (val & 0x8000) return (int32)val | (int32)0xffff0000; return val; } static inline int64 sign_ext_8_64(int8 val) { if (val & 0x80) return (int64)val | (int64)0xffffffffffffff00LL; return val; } static inline int64 sign_ext_16_64(int16 val) { if (val & 0x8000) return (int64)val | (int64)0xffffffffffff0000LL; return val; } static inline int64 sign_ext_32_64(int32 val) { if (val & (int32)0x80000000) return (int64)val | (int64)0xffffffff00000000LL; return val; } static inline void word_copy(uint32 *dest, uint32 *src, unsigned num) { bh_assert(dest != NULL); bh_assert(src != NULL); bh_assert(num > 0); if (dest != src) { /* No overlap buffer */ bh_assert(!((src < dest) && (dest < src + num))); for (; num > 0; num--) *dest++ = *src++; } } static inline WASMInterpFrame * ALLOC_FRAME(WASMExecEnv *exec_env, uint32 size, WASMInterpFrame *prev_frame) { WASMInterpFrame *frame = wasm_exec_env_alloc_wasm_frame(exec_env, size); if (frame) { frame->prev_frame = prev_frame; #if WASM_ENABLE_PERF_PROFILING != 0 frame->time_started = os_time_get_boot_microsecond(); #endif } else { wasm_set_exception((WASMModuleInstance *)exec_env->module_inst, "wasm operand stack overflow"); } return frame; } static inline void FREE_FRAME(WASMExecEnv *exec_env, WASMInterpFrame *frame) { #if WASM_ENABLE_PERF_PROFILING != 0 if (frame->function) { frame->function->total_exec_time += os_time_get_boot_microsecond() - frame->time_started; frame->function->total_exec_cnt++; } #endif wasm_exec_env_free_wasm_frame(exec_env, frame); } static void wasm_interp_call_func_native(WASMModuleInstance *module_inst, WASMExecEnv *exec_env, WASMFunctionInstance *cur_func, WASMInterpFrame *prev_frame) { WASMFunctionImport *func_import = cur_func->u.func_import; unsigned local_cell_num = 2; WASMInterpFrame *frame; uint32 argv_ret[2], cur_func_index; void *native_func_pointer = NULL; char buf[128]; bool ret; if (!(frame = ALLOC_FRAME(exec_env, wasm_interp_interp_frame_size(local_cell_num), prev_frame))) return; frame->function = cur_func; frame->ip = NULL; frame->sp = frame->lp + local_cell_num; wasm_exec_env_set_cur_frame(exec_env, frame); cur_func_index = (uint32)(cur_func - module_inst->functions); bh_assert(cur_func_index < module_inst->module->import_function_count); native_func_pointer = module_inst->import_func_ptrs[cur_func_index]; if (!native_func_pointer) { snprintf(buf, sizeof(buf), "failed to call unlinked import function (%s, %s)", func_import->module_name, func_import->field_name); wasm_set_exception(module_inst, buf); return; } if (func_import->call_conv_wasm_c_api) { ret = wasm_runtime_invoke_c_api_native( (WASMModuleInstanceCommon *)module_inst, native_func_pointer, func_import->func_type, cur_func->param_cell_num, frame->lp, func_import->wasm_c_api_with_env, func_import->attachment); if (ret) { argv_ret[0] = frame->lp[0]; argv_ret[1] = frame->lp[1]; } } else if (!func_import->call_conv_raw) { ret = wasm_runtime_invoke_native( exec_env, native_func_pointer, func_import->func_type, func_import->signature, func_import->attachment, frame->lp, cur_func->param_cell_num, argv_ret); } else { ret = wasm_runtime_invoke_native_raw( exec_env, native_func_pointer, func_import->func_type, func_import->signature, func_import->attachment, frame->lp, cur_func->param_cell_num, argv_ret); } if (!ret) return; if (cur_func->ret_cell_num == 1) { prev_frame->sp[0] = argv_ret[0]; prev_frame->sp++; } else if (cur_func->ret_cell_num == 2) { prev_frame->sp[0] = argv_ret[0]; prev_frame->sp[1] = argv_ret[1]; prev_frame->sp += 2; } FREE_FRAME(exec_env, frame); wasm_exec_env_set_cur_frame(exec_env, prev_frame); } #if WASM_ENABLE_MULTI_MODULE != 0 static void wasm_interp_call_func_bytecode(WASMModuleInstance *module, WASMExecEnv *exec_env, WASMFunctionInstance *cur_func, WASMInterpFrame *prev_frame); static void wasm_interp_call_func_import(WASMModuleInstance *module_inst, WASMExecEnv *exec_env, WASMFunctionInstance *cur_func, WASMInterpFrame *prev_frame) { WASMModuleInstance *sub_module_inst = cur_func->import_module_inst; WASMFunctionInstance *sub_func_inst = cur_func->import_func_inst; WASMFunctionImport *func_import = cur_func->u.func_import; uint8 *ip = prev_frame->ip; char buf[128]; if (!sub_func_inst) { snprintf(buf, sizeof(buf), "failed to call unlinked import function (%s, %s)", func_import->module_name, func_import->field_name); wasm_set_exception(module_inst, buf); return; } /* set ip NULL to make call_func_bytecode return after executing this function */ prev_frame->ip = NULL; /* replace exec_env's module_inst with sub_module_inst so we can call it */ exec_env->module_inst = (WASMModuleInstanceCommon *)sub_module_inst; /* call function of sub-module*/ wasm_interp_call_func_bytecode(sub_module_inst, exec_env, sub_func_inst, prev_frame); /* restore ip and module_inst */ prev_frame->ip = ip; exec_env->module_inst = (WASMModuleInstanceCommon *)module_inst; /* transfer exception if it is thrown */ if (wasm_get_exception(sub_module_inst)) { bh_memcpy_s(module_inst->cur_exception, sizeof(module_inst->cur_exception), sub_module_inst->cur_exception, sizeof(sub_module_inst->cur_exception)); } } #endif #if WASM_ENABLE_THREAD_MGR != 0 #if WASM_ENABLE_DEBUG_INTERP != 0 #define CHECK_SUSPEND_FLAGS() \ do { \ if (IS_WAMR_TERM_SIG(exec_env->current_status->signal_flag)) { \ return; \ } \ if (IS_WAMR_STOP_SIG(exec_env->current_status->signal_flag)) { \ SYNC_ALL_TO_FRAME(); \ wasm_cluster_thread_stopped(exec_env); \ wasm_cluster_thread_waiting_run(exec_env); \ } \ } while (0) #else #define CHECK_SUSPEND_FLAGS() \ do { \ if (exec_env->suspend_flags.flags != 0) { \ if (exec_env->suspend_flags.flags & 0x01) { \ /* terminate current thread */ \ return; \ } \ while (exec_env->suspend_flags.flags & 0x02) { \ /* suspend current thread */ \ os_cond_wait(&exec_env->wait_cond, &exec_env->wait_lock); \ } \ } \ } while (0) #endif /* WASM_ENABLE_DEBUG_INTERP */ #endif /* WASM_ENABLE_THREAD_MGR */ #if WASM_ENABLE_LABELS_AS_VALUES != 0 #define HANDLE_OP(opcode) HANDLE_##opcode: #define FETCH_OPCODE_AND_DISPATCH() goto *handle_table[*frame_ip++] #if WASM_ENABLE_THREAD_MGR != 0 && WASM_ENABLE_DEBUG_INTERP != 0 #define HANDLE_OP_END() \ do { \ /* Record the current frame_ip, so when exception occurs, \ debugger can know the exact opcode who caused the exception */ \ frame_ip_orig = frame_ip; \ while (exec_env->current_status->signal_flag == WAMR_SIG_SINGSTEP \ && exec_env->current_status->step_count++ == 1) { \ exec_env->current_status->step_count = 0; \ SYNC_ALL_TO_FRAME(); \ wasm_cluster_thread_stopped(exec_env); \ wasm_cluster_thread_waiting_run(exec_env); \ } \ goto *handle_table[*frame_ip++]; \ } while (0) #else #define HANDLE_OP_END() FETCH_OPCODE_AND_DISPATCH() #endif #else /* else of WASM_ENABLE_LABELS_AS_VALUES */ #define HANDLE_OP(opcode) case opcode: #if WASM_ENABLE_THREAD_MGR != 0 && WASM_ENABLE_DEBUG_INTERP != 0 #define HANDLE_OP_END() \ if (exec_env->current_status->signal_flag == WAMR_SIG_SINGSTEP \ && exec_env->current_status->step_count++ == 2) { \ exec_env->current_status->step_count = 0; \ SYNC_ALL_TO_FRAME(); \ wasm_cluster_thread_stopped(exec_env); \ wasm_cluster_thread_waiting_run(exec_env); \ } \ continue #else #define HANDLE_OP_END() continue #endif #endif /* end of WASM_ENABLE_LABELS_AS_VALUES */ static inline uint8 * get_global_addr(uint8 *global_data, WASMGlobalInstance *global) { #if WASM_ENABLE_MULTI_MODULE == 0 return global_data + global->data_offset; #else return global->import_global_inst ? global->import_module_inst->global_data + global->import_global_inst->data_offset : global_data + global->data_offset; #endif } static void wasm_interp_call_func_bytecode(WASMModuleInstance *module, WASMExecEnv *exec_env, WASMFunctionInstance *cur_func, WASMInterpFrame *prev_frame) { WASMMemoryInstance *memory = module->default_memory; uint32 num_bytes_per_page = memory ? memory->num_bytes_per_page : 0; uint8 *global_data = module->global_data; uint32 linear_mem_size = memory ? num_bytes_per_page * memory->cur_page_count : 0; WASMType **wasm_types = module->module->types; WASMGlobalInstance *globals = module->globals, *global; uint8 opcode_IMPDEP = WASM_OP_IMPDEP; WASMInterpFrame *frame = NULL; /* Points to this special opcode so as to jump to the * call_method_from_entry. */ register uint8 *frame_ip = &opcode_IMPDEP; /* cache of frame->ip */ register uint32 *frame_lp = NULL; /* cache of frame->lp */ register uint32 *frame_sp = NULL; /* cache of frame->sp */ WASMBranchBlock *frame_csp = NULL; BlockAddr *cache_items; uint8 *frame_ip_end = frame_ip + 1; uint8 opcode; uint32 i, depth, cond, count, fidx, tidx, lidx, frame_size = 0; uint64 all_cell_num = 0; int32 val; uint8 *else_addr, *end_addr, *maddr = NULL; uint32 local_idx, local_offset, global_idx; uint8 local_type, *global_addr; uint32 cache_index, type_index, param_cell_num, cell_num; uint8 value_type; #if WASM_ENABLE_DEBUG_INTERP != 0 uint8 *frame_ip_orig = NULL; #endif #if WASM_ENABLE_LABELS_AS_VALUES != 0 #define HANDLE_OPCODE(op) &&HANDLE_##op DEFINE_GOTO_TABLE(const void *, handle_table); #undef HANDLE_OPCODE #endif #if WASM_ENABLE_LABELS_AS_VALUES == 0 while (frame_ip < frame_ip_end) { opcode = *frame_ip++; switch (opcode) { #else FETCH_OPCODE_AND_DISPATCH(); #endif /* control instructions */ HANDLE_OP(WASM_OP_UNREACHABLE) { wasm_set_exception(module, "unreachable"); goto got_exception; } HANDLE_OP(WASM_OP_NOP) { HANDLE_OP_END(); } HANDLE_OP(EXT_OP_BLOCK) { read_leb_uint32(frame_ip, frame_ip_end, type_index); param_cell_num = wasm_types[type_index]->param_cell_num; cell_num = wasm_types[type_index]->ret_cell_num; goto handle_op_block; } HANDLE_OP(WASM_OP_BLOCK) { value_type = *frame_ip++; param_cell_num = 0; cell_num = wasm_value_type_cell_num(value_type); handle_op_block: cache_index = ((uintptr_t)frame_ip) & (uintptr_t)(BLOCK_ADDR_CACHE_SIZE - 1); cache_items = exec_env->block_addr_cache[cache_index]; if (cache_items[0].start_addr == frame_ip) { end_addr = cache_items[0].end_addr; } else if (cache_items[1].start_addr == frame_ip) { end_addr = cache_items[1].end_addr; } #if WASM_ENABLE_DEBUG_INTERP != 0 else if (!wasm_loader_find_block_addr( exec_env, (BlockAddr *)exec_env->block_addr_cache, frame_ip, (uint8 *)-1, LABEL_TYPE_BLOCK, &else_addr, &end_addr)) { wasm_set_exception(module, "find block address failed"); goto got_exception; } #endif else { end_addr = NULL; } PUSH_CSP(LABEL_TYPE_BLOCK, param_cell_num, cell_num, end_addr); HANDLE_OP_END(); } HANDLE_OP(EXT_OP_LOOP) { read_leb_uint32(frame_ip, frame_ip_end, type_index); param_cell_num = wasm_types[type_index]->param_cell_num; cell_num = wasm_types[type_index]->param_cell_num; goto handle_op_loop; } HANDLE_OP(WASM_OP_LOOP) { value_type = *frame_ip++; param_cell_num = 0; cell_num = 0; handle_op_loop: PUSH_CSP(LABEL_TYPE_LOOP, param_cell_num, cell_num, frame_ip); HANDLE_OP_END(); } HANDLE_OP(EXT_OP_IF) { read_leb_uint32(frame_ip, frame_ip_end, type_index); param_cell_num = wasm_types[type_index]->param_cell_num; cell_num = wasm_types[type_index]->ret_cell_num; goto handle_op_if; } HANDLE_OP(WASM_OP_IF) { value_type = *frame_ip++; param_cell_num = 0; cell_num = wasm_value_type_cell_num(value_type); handle_op_if: cache_index = ((uintptr_t)frame_ip) & (uintptr_t)(BLOCK_ADDR_CACHE_SIZE - 1); cache_items = exec_env->block_addr_cache[cache_index]; if (cache_items[0].start_addr == frame_ip) { else_addr = cache_items[0].else_addr; end_addr = cache_items[0].end_addr; } else if (cache_items[1].start_addr == frame_ip) { else_addr = cache_items[1].else_addr; end_addr = cache_items[1].end_addr; } else if (!wasm_loader_find_block_addr( exec_env, (BlockAddr *)exec_env->block_addr_cache, frame_ip, (uint8 *)-1, LABEL_TYPE_IF, &else_addr, &end_addr)) { wasm_set_exception(module, "find block address failed"); goto got_exception; } cond = (uint32)POP_I32(); if (cond) { /* if branch is met */ PUSH_CSP(LABEL_TYPE_IF, param_cell_num, cell_num, end_addr); } else { /* if branch is not met */ /* if there is no else branch, go to the end addr */ if (else_addr == NULL) { frame_ip = end_addr + 1; } /* if there is an else branch, go to the else addr */ else { PUSH_CSP(LABEL_TYPE_IF, param_cell_num, cell_num, end_addr); frame_ip = else_addr + 1; } } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_ELSE) { /* comes from the if branch in WASM_OP_IF */ frame_ip = (frame_csp - 1)->target_addr; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_END) { if (frame_csp > frame->csp_bottom + 1) { POP_CSP(); } else { /* end of function, treat as WASM_OP_RETURN */ frame_sp -= cur_func->ret_cell_num; for (i = 0; i < cur_func->ret_cell_num; i++) { *prev_frame->sp++ = frame_sp[i]; } goto return_func; } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif read_leb_uint32(frame_ip, frame_ip_end, depth); label_pop_csp_n: POP_CSP_N(depth); if (!frame_ip) { /* must be label pushed by WASM_OP_BLOCK */ if (!wasm_loader_find_block_addr( exec_env, (BlockAddr *)exec_env->block_addr_cache, (frame_csp - 1)->begin_addr, (uint8 *)-1, LABEL_TYPE_BLOCK, &else_addr, &end_addr)) { wasm_set_exception(module, "find block address failed"); goto got_exception; } frame_ip = end_addr; } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_IF) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif read_leb_uint32(frame_ip, frame_ip_end, depth); cond = (uint32)POP_I32(); if (cond) goto label_pop_csp_n; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_TABLE) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif read_leb_uint32(frame_ip, frame_ip_end, count); lidx = POP_I32(); if (lidx > count) lidx = count; depth = frame_ip[lidx]; goto label_pop_csp_n; } HANDLE_OP(EXT_OP_BR_TABLE_CACHE) { BrTableCache *node = bh_list_first_elem(module->module->br_table_cache_list); BrTableCache *node_next; #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif lidx = POP_I32(); while (node) { node_next = bh_list_elem_next(node); if (node->br_table_op_addr == frame_ip - 1) { depth = node->br_depths[lidx]; goto label_pop_csp_n; } node = node_next; } bh_assert(0); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_RETURN) { frame_sp -= cur_func->ret_cell_num; for (i = 0; i < cur_func->ret_cell_num; i++) { *prev_frame->sp++ = frame_sp[i]; } goto return_func; } HANDLE_OP(WASM_OP_CALL) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif read_leb_uint32(frame_ip, frame_ip_end, fidx); #if WASM_ENABLE_MULTI_MODULE != 0 if (fidx >= module->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } #endif cur_func = module->functions + fidx; goto call_func_from_interp; } #if WASM_ENABLE_TAIL_CALL != 0 HANDLE_OP(WASM_OP_RETURN_CALL) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif read_leb_uint32(frame_ip, frame_ip_end, fidx); #if WASM_ENABLE_MULTI_MODULE != 0 if (fidx >= module->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } #endif cur_func = module->functions + fidx; goto call_func_from_return_call; } #endif /* WASM_ENABLE_TAIL_CALL */ HANDLE_OP(WASM_OP_CALL_INDIRECT) #if WASM_ENABLE_TAIL_CALL != 0 HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT) #endif { WASMType *cur_type, *cur_func_type; WASMTableInstance *tbl_inst; uint32 tbl_idx; #if WASM_ENABLE_TAIL_CALL != 0 opcode = *(frame_ip - 1); #endif #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif /** * type check. compiler will make sure all like * (call_indirect (type $x) (i32.const 1)) * the function type has to be defined in the module also * no matter it is used or not */ read_leb_uint32(frame_ip, frame_ip_end, tidx); bh_assert(tidx < module->module->type_count); cur_type = wasm_types[tidx]; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); val = POP_I32(); if (val < 0 || val >= (int32)tbl_inst->cur_size) { wasm_set_exception(module, "undefined element"); goto got_exception; } fidx = ((uint32 *)tbl_inst->base_addr)[val]; if (fidx == (uint32)-1) { wasm_set_exception(module, "uninitialized element"); goto got_exception; } /* * we might be using a table injected by host or * another module. In that case, we don't validate * the elem value while loading */ if (fidx >= module->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } /* always call module own functions */ cur_func = module->functions + fidx; if (cur_func->is_import_func) cur_func_type = cur_func->u.func_import->func_type; else cur_func_type = cur_func->u.func->func_type; if (!wasm_type_equal(cur_type, cur_func_type)) { wasm_set_exception(module, "indirect call type mismatch"); goto got_exception; } #if WASM_ENABLE_TAIL_CALL != 0 if (opcode == WASM_OP_RETURN_CALL_INDIRECT) goto call_func_from_return_call; #endif goto call_func_from_interp; } /* parametric instructions */ HANDLE_OP(WASM_OP_DROP) { frame_sp--; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_DROP_64) { frame_sp -= 2; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SELECT) { cond = (uint32)POP_I32(); frame_sp--; if (!cond) *(frame_sp - 1) = *frame_sp; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SELECT_64) { cond = (uint32)POP_I32(); frame_sp -= 2; if (!cond) { *(frame_sp - 2) = *frame_sp; *(frame_sp - 1) = *(frame_sp + 1); } HANDLE_OP_END(); } #if WASM_ENABLE_REF_TYPES != 0 HANDLE_OP(WASM_OP_SELECT_T) { uint32 vec_len; uint8 type; read_leb_uint32(frame_ip, frame_ip_end, vec_len); type = *frame_ip++; cond = (uint32)POP_I32(); if (type == VALUE_TYPE_I64 || type == VALUE_TYPE_F64) { frame_sp -= 2; if (!cond) { *(frame_sp - 2) = *frame_sp; *(frame_sp - 1) = *(frame_sp + 1); } } else { frame_sp--; if (!cond) *(frame_sp - 1) = *frame_sp; } (void)vec_len; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_TABLE_GET) { uint32 tbl_idx, elem_idx; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); elem_idx = POP_I32(); if (elem_idx >= tbl_inst->cur_size) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } PUSH_I32(((uint32 *)tbl_inst->base_addr)[elem_idx]); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_TABLE_SET) { uint32 tbl_idx, elem_idx, elem_val; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); elem_val = POP_I32(); elem_idx = POP_I32(); if (elem_idx >= tbl_inst->cur_size) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } ((uint32 *)(tbl_inst->base_addr))[elem_idx] = elem_val; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_NULL) { uint32 ref_type; read_leb_uint32(frame_ip, frame_ip_end, ref_type); PUSH_I32(NULL_REF); (void)ref_type; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_IS_NULL) { uint32 ref_val; ref_val = POP_I32(); PUSH_I32(ref_val == NULL_REF ? 1 : 0); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_FUNC) { uint32 func_idx; read_leb_uint32(frame_ip, frame_ip_end, func_idx); PUSH_I32(func_idx); HANDLE_OP_END(); } #endif /* WASM_ENABLE_REF_TYPES */ /* variable instructions */ HANDLE_OP(WASM_OP_GET_LOCAL) { GET_LOCAL_INDEX_TYPE_AND_OFFSET(); switch (local_type) { case VALUE_TYPE_I32: case VALUE_TYPE_F32: #if WASM_ENABLE_REF_TYPES != 0 case VALUE_TYPE_FUNCREF: case VALUE_TYPE_EXTERNREF: #endif PUSH_I32(*(int32 *)(frame_lp + local_offset)); break; case VALUE_TYPE_I64: case VALUE_TYPE_F64: PUSH_I64(GET_I64_FROM_ADDR(frame_lp + local_offset)); break; default: wasm_set_exception(module, "invalid local type"); goto got_exception; } HANDLE_OP_END(); } HANDLE_OP(EXT_OP_GET_LOCAL_FAST) { local_offset = *frame_ip++; if (local_offset & 0x80) PUSH_I64( GET_I64_FROM_ADDR(frame_lp + (local_offset & 0x7F))); else PUSH_I32(*(int32 *)(frame_lp + local_offset)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_LOCAL) { GET_LOCAL_INDEX_TYPE_AND_OFFSET(); switch (local_type) { case VALUE_TYPE_I32: case VALUE_TYPE_F32: #if WASM_ENABLE_REF_TYPES != 0 case VALUE_TYPE_FUNCREF: case VALUE_TYPE_EXTERNREF: #endif *(int32 *)(frame_lp + local_offset) = POP_I32(); break; case VALUE_TYPE_I64: case VALUE_TYPE_F64: PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset), POP_I64()); break; default: wasm_set_exception(module, "invalid local type"); goto got_exception; } HANDLE_OP_END(); } HANDLE_OP(EXT_OP_SET_LOCAL_FAST) { local_offset = *frame_ip++; if (local_offset & 0x80) PUT_I64_TO_ADDR( (uint32 *)(frame_lp + (local_offset & 0x7F)), POP_I64()); else *(int32 *)(frame_lp + local_offset) = POP_I32(); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_TEE_LOCAL) { GET_LOCAL_INDEX_TYPE_AND_OFFSET(); switch (local_type) { case VALUE_TYPE_I32: case VALUE_TYPE_F32: #if WASM_ENABLE_REF_TYPES != 0 case VALUE_TYPE_FUNCREF: case VALUE_TYPE_EXTERNREF: #endif *(int32 *)(frame_lp + local_offset) = *(int32 *)(frame_sp - 1); break; case VALUE_TYPE_I64: case VALUE_TYPE_F64: PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset), GET_I64_FROM_ADDR(frame_sp - 2)); break; default: wasm_set_exception(module, "invalid local type"); goto got_exception; } HANDLE_OP_END(); } HANDLE_OP(EXT_OP_TEE_LOCAL_FAST) { local_offset = *frame_ip++; if (local_offset & 0x80) PUT_I64_TO_ADDR( (uint32 *)(frame_lp + (local_offset & 0x7F)), GET_I64_FROM_ADDR(frame_sp - 2)); else *(int32 *)(frame_lp + local_offset) = *(int32 *)(frame_sp - 1); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_GET_GLOBAL) { read_leb_uint32(frame_ip, frame_ip_end, global_idx); bh_assert(global_idx < module->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); PUSH_I32(*(uint32 *)global_addr); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_GET_GLOBAL_64) { read_leb_uint32(frame_ip, frame_ip_end, global_idx); bh_assert(global_idx < module->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); PUSH_I64(GET_I64_FROM_ADDR((uint32 *)global_addr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL) { read_leb_uint32(frame_ip, frame_ip_end, global_idx); bh_assert(global_idx < module->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); *(int32 *)global_addr = POP_I32(); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL_AUX_STACK) { uint32 aux_stack_top; read_leb_uint32(frame_ip, frame_ip_end, global_idx); bh_assert(global_idx < module->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); aux_stack_top = *(uint32 *)(frame_sp - 1); if (aux_stack_top <= exec_env->aux_stack_boundary.boundary) { wasm_set_exception(module, "wasm auxiliary stack overflow"); goto got_exception; } if (aux_stack_top > exec_env->aux_stack_bottom.bottom) { wasm_set_exception(module, "wasm auxiliary stack underflow"); goto got_exception; } *(int32 *)global_addr = aux_stack_top; frame_sp--; #if WASM_ENABLE_MEMORY_PROFILING != 0 if (module->module->aux_stack_top_global_index != (uint32)-1) { uint32 aux_stack_used = module->module->aux_stack_bottom - *(uint32 *)global_addr; if (aux_stack_used > module->max_aux_stack_used) module->max_aux_stack_used = aux_stack_used; } #endif HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL_64) { read_leb_uint32(frame_ip, frame_ip_end, global_idx); bh_assert(global_idx < module->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); PUT_I64_TO_ADDR((uint32 *)global_addr, POP_I64()); HANDLE_OP_END(); } /* memory load instructions */ HANDLE_OP(WASM_OP_I32_LOAD) HANDLE_OP(WASM_OP_F32_LOAD) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); PUSH_I32(LOAD_I32(maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD) HANDLE_OP(WASM_OP_F64_LOAD) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(8); PUSH_I64(LOAD_I64(maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD8_S) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(1); PUSH_I32(sign_ext_8_32(*(int8 *)maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD8_U) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(1); PUSH_I32((uint32)(*(uint8 *)maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD16_S) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(2); PUSH_I32(sign_ext_16_32(LOAD_I16(maddr))); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD16_U) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(2); PUSH_I32((uint32)(LOAD_U16(maddr))); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD8_S) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(1); PUSH_I64(sign_ext_8_64(*(int8 *)maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD8_U) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(1); PUSH_I64((uint64)(*(uint8 *)maddr)); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD16_S) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(2); PUSH_I64(sign_ext_16_64(LOAD_I16(maddr))); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD16_U) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(2); PUSH_I64((uint64)(LOAD_U16(maddr))); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD32_S) { uint32 offset, flags, addr; opcode = *(frame_ip - 1); read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); PUSH_I64(sign_ext_32_64(LOAD_I32(maddr))); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD32_U) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); PUSH_I64((uint64)(LOAD_U32(maddr))); (void)flags; HANDLE_OP_END(); } /* memory store instructions */ HANDLE_OP(WASM_OP_I32_STORE) HANDLE_OP(WASM_OP_F32_STORE) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); frame_sp--; addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); STORE_U32(maddr, frame_sp[1]); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE) HANDLE_OP(WASM_OP_F64_STORE) { uint32 offset, flags, addr; read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); frame_sp -= 2; addr = POP_I32(); CHECK_MEMORY_OVERFLOW(8); STORE_U32(maddr, frame_sp[1]); STORE_U32(maddr + 4, frame_sp[2]); (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_STORE8) HANDLE_OP(WASM_OP_I32_STORE16) { uint32 offset, flags, addr; uint32 sval; opcode = *(frame_ip - 1); read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); sval = (uint32)POP_I32(); addr = POP_I32(); if (opcode == WASM_OP_I32_STORE8) { CHECK_MEMORY_OVERFLOW(1); *(uint8 *)maddr = (uint8)sval; } else { CHECK_MEMORY_OVERFLOW(2); STORE_U16(maddr, (uint16)sval); } (void)flags; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE8) HANDLE_OP(WASM_OP_I64_STORE16) HANDLE_OP(WASM_OP_I64_STORE32) { uint32 offset, flags, addr; uint64 sval; opcode = *(frame_ip - 1); read_leb_uint32(frame_ip, frame_ip_end, flags); read_leb_uint32(frame_ip, frame_ip_end, offset); sval = (uint64)POP_I64(); addr = POP_I32(); if (opcode == WASM_OP_I64_STORE8) { CHECK_MEMORY_OVERFLOW(1); *(uint8 *)maddr = (uint8)sval; } else if (opcode == WASM_OP_I64_STORE16) { CHECK_MEMORY_OVERFLOW(2); STORE_U16(maddr, (uint16)sval); } else { CHECK_MEMORY_OVERFLOW(4); STORE_U32(maddr, (uint32)sval); } (void)flags; HANDLE_OP_END(); } /* memory size and memory grow instructions */ HANDLE_OP(WASM_OP_MEMORY_SIZE) { uint32 reserved; read_leb_uint32(frame_ip, frame_ip_end, reserved); PUSH_I32(memory->cur_page_count); (void)reserved; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_MEMORY_GROW) { uint32 reserved, delta, prev_page_count = memory->cur_page_count; read_leb_uint32(frame_ip, frame_ip_end, reserved); delta = (uint32)POP_I32(); if (!wasm_enlarge_memory(module, delta)) { /* failed to memory.grow, return -1 */ PUSH_I32(-1); } else { /* success, return previous page count */ PUSH_I32(prev_page_count); /* update memory instance ptr and memory size */ memory = module->default_memory; linear_mem_size = num_bytes_per_page * memory->cur_page_count; } (void)reserved; HANDLE_OP_END(); } /* constant instructions */ HANDLE_OP(WASM_OP_I32_CONST) DEF_OP_I_CONST(int32, I32); HANDLE_OP_END(); HANDLE_OP(WASM_OP_I64_CONST) DEF_OP_I_CONST(int64, I64); HANDLE_OP_END(); HANDLE_OP(WASM_OP_F32_CONST) { uint8 *p_float = (uint8 *)frame_sp++; for (i = 0; i < sizeof(float32); i++) *p_float++ = *frame_ip++; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_CONST) { uint8 *p_float = (uint8 *)frame_sp++; frame_sp++; for (i = 0; i < sizeof(float64); i++) *p_float++ = *frame_ip++; HANDLE_OP_END(); } /* comparison instructions of i32 */ HANDLE_OP(WASM_OP_I32_EQZ) { DEF_OP_EQZ(I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_EQ) { DEF_OP_CMP(uint32, I32, ==); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_NE) { DEF_OP_CMP(uint32, I32, !=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LT_S) { DEF_OP_CMP(int32, I32, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LT_U) { DEF_OP_CMP(uint32, I32, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_GT_S) { DEF_OP_CMP(int32, I32, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_GT_U) { DEF_OP_CMP(uint32, I32, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LE_S) { DEF_OP_CMP(int32, I32, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LE_U) { DEF_OP_CMP(uint32, I32, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_GE_S) { DEF_OP_CMP(int32, I32, >=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_GE_U) { DEF_OP_CMP(uint32, I32, >=); HANDLE_OP_END(); } /* comparison instructions of i64 */ HANDLE_OP(WASM_OP_I64_EQZ) { DEF_OP_EQZ(I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_EQ) { DEF_OP_CMP(uint64, I64, ==); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_NE) { DEF_OP_CMP(uint64, I64, !=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LT_S) { DEF_OP_CMP(int64, I64, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LT_U) { DEF_OP_CMP(uint64, I64, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_GT_S) { DEF_OP_CMP(int64, I64, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_GT_U) { DEF_OP_CMP(uint64, I64, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LE_S) { DEF_OP_CMP(int64, I64, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LE_U) { DEF_OP_CMP(uint64, I64, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_GE_S) { DEF_OP_CMP(int64, I64, >=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_GE_U) { DEF_OP_CMP(uint64, I64, >=); HANDLE_OP_END(); } /* comparison instructions of f32 */ HANDLE_OP(WASM_OP_F32_EQ) { DEF_OP_CMP(float32, F32, ==); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_NE) { DEF_OP_CMP(float32, F32, !=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_LT) { DEF_OP_CMP(float32, F32, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_GT) { DEF_OP_CMP(float32, F32, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_LE) { DEF_OP_CMP(float32, F32, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_GE) { DEF_OP_CMP(float32, F32, >=); HANDLE_OP_END(); } /* comparison instructions of f64 */ HANDLE_OP(WASM_OP_F64_EQ) { DEF_OP_CMP(float64, F64, ==); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_NE) { DEF_OP_CMP(float64, F64, !=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_LT) { DEF_OP_CMP(float64, F64, <); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_GT) { DEF_OP_CMP(float64, F64, >); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_LE) { DEF_OP_CMP(float64, F64, <=); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_GE) { DEF_OP_CMP(float64, F64, >=); HANDLE_OP_END(); } /* numberic instructions of i32 */ HANDLE_OP(WASM_OP_I32_CLZ) { DEF_OP_BIT_COUNT(uint32, I32, clz32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_CTZ) { DEF_OP_BIT_COUNT(uint32, I32, ctz32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_POPCNT) { DEF_OP_BIT_COUNT(uint32, I32, popcount32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_ADD) { DEF_OP_NUMERIC(uint32, uint32, I32, +); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_SUB) { DEF_OP_NUMERIC(uint32, uint32, I32, -); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_MUL) { DEF_OP_NUMERIC(uint32, uint32, I32, *); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_DIV_S) { int32 a, b; b = POP_I32(); a = POP_I32(); if (a == (int32)0x80000000 && b == -1) { wasm_set_exception(module, "integer overflow"); goto got_exception; } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I32(a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_DIV_U) { uint32 a, b; b = (uint32)POP_I32(); a = (uint32)POP_I32(); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I32(a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_REM_S) { int32 a, b; b = POP_I32(); a = POP_I32(); if (a == (int32)0x80000000 && b == -1) { PUSH_I32(0); HANDLE_OP_END(); } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I32(a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_REM_U) { uint32 a, b; b = (uint32)POP_I32(); a = (uint32)POP_I32(); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I32(a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_AND) { DEF_OP_NUMERIC(uint32, uint32, I32, &); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_OR) { DEF_OP_NUMERIC(uint32, uint32, I32, |); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_XOR) { DEF_OP_NUMERIC(uint32, uint32, I32, ^); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_SHL) { DEF_OP_NUMERIC2(uint32, uint32, I32, <<); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_SHR_S) { DEF_OP_NUMERIC2(int32, uint32, I32, >>); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_SHR_U) { DEF_OP_NUMERIC2(uint32, uint32, I32, >>); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_ROTL) { uint32 a, b; b = (uint32)POP_I32(); a = (uint32)POP_I32(); PUSH_I32(rotl32(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_ROTR) { uint32 a, b; b = (uint32)POP_I32(); a = (uint32)POP_I32(); PUSH_I32(rotr32(a, b)); HANDLE_OP_END(); } /* numberic instructions of i64 */ HANDLE_OP(WASM_OP_I64_CLZ) { DEF_OP_BIT_COUNT(uint64, I64, clz64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_CTZ) { DEF_OP_BIT_COUNT(uint64, I64, ctz64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_POPCNT) { DEF_OP_BIT_COUNT(uint64, I64, popcount64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_ADD) { DEF_OP_NUMERIC_64(uint64, uint64, I64, +); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_SUB) { DEF_OP_NUMERIC_64(uint64, uint64, I64, -); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_MUL) { DEF_OP_NUMERIC_64(uint64, uint64, I64, *); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_DIV_S) { int64 a, b; b = POP_I64(); a = POP_I64(); if (a == (int64)0x8000000000000000LL && b == -1) { wasm_set_exception(module, "integer overflow"); goto got_exception; } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I64(a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_DIV_U) { uint64 a, b; b = (uint64)POP_I64(); a = (uint64)POP_I64(); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I64(a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_REM_S) { int64 a, b; b = POP_I64(); a = POP_I64(); if (a == (int64)0x8000000000000000LL && b == -1) { PUSH_I64(0); HANDLE_OP_END(); } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I64(a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_REM_U) { uint64 a, b; b = (uint64)POP_I64(); a = (uint64)POP_I64(); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUSH_I64(a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_AND) { DEF_OP_NUMERIC_64(uint64, uint64, I64, &); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_OR) { DEF_OP_NUMERIC_64(uint64, uint64, I64, |); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_XOR) { DEF_OP_NUMERIC_64(uint64, uint64, I64, ^); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_SHL) { DEF_OP_NUMERIC2_64(uint64, uint64, I64, <<); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_SHR_S) { DEF_OP_NUMERIC2_64(int64, uint64, I64, >>); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_SHR_U) { DEF_OP_NUMERIC2_64(uint64, uint64, I64, >>); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_ROTL) { uint64 a, b; b = (uint64)POP_I64(); a = (uint64)POP_I64(); PUSH_I64(rotl64(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_ROTR) { uint64 a, b; b = (uint64)POP_I64(); a = (uint64)POP_I64(); PUSH_I64(rotr64(a, b)); HANDLE_OP_END(); } /* numberic instructions of f32 */ HANDLE_OP(WASM_OP_F32_ABS) { DEF_OP_MATH(float32, F32, fabs); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_NEG) { uint32 u32 = frame_sp[-1]; uint32 sign_bit = u32 & ((uint32)1 << 31); if (sign_bit) frame_sp[-1] = u32 & ~((uint32)1 << 31); else frame_sp[-1] = u32 | ((uint32)1 << 31); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CEIL) { DEF_OP_MATH(float32, F32, ceil); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_FLOOR) { DEF_OP_MATH(float32, F32, floor); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_TRUNC) { DEF_OP_MATH(float32, F32, trunc); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_NEAREST) { DEF_OP_MATH(float32, F32, rint); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_SQRT) { DEF_OP_MATH(float32, F32, sqrt); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_ADD) { DEF_OP_NUMERIC(float32, float32, F32, +); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_SUB) { DEF_OP_NUMERIC(float32, float32, F32, -); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_MUL) { DEF_OP_NUMERIC(float32, float32, F32, *); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_DIV) { DEF_OP_NUMERIC(float32, float32, F32, /); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_MIN) { float32 a, b; b = POP_F32(); a = POP_F32(); if (isnan(a)) PUSH_F32(a); else if (isnan(b)) PUSH_F32(b); else PUSH_F32(wa_fmin(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_MAX) { float32 a, b; b = POP_F32(); a = POP_F32(); if (isnan(a)) PUSH_F32(a); else if (isnan(b)) PUSH_F32(b); else PUSH_F32(wa_fmax(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_COPYSIGN) { float32 a, b; b = POP_F32(); a = POP_F32(); PUSH_F32(signbit(b) ? -fabs(a) : fabs(a)); HANDLE_OP_END(); } /* numberic instructions of f64 */ HANDLE_OP(WASM_OP_F64_ABS) { DEF_OP_MATH(float64, F64, fabs); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_NEG) { uint64 u64 = GET_I64_FROM_ADDR(frame_sp - 2); uint64 sign_bit = u64 & (((uint64)1) << 63); if (sign_bit) PUT_I64_TO_ADDR(frame_sp - 2, (u64 & ~(((uint64)1) << 63))); else PUT_I64_TO_ADDR(frame_sp - 2, (u64 | (((uint64)1) << 63))); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_CEIL) { DEF_OP_MATH(float64, F64, ceil); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_FLOOR) { DEF_OP_MATH(float64, F64, floor); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_TRUNC) { DEF_OP_MATH(float64, F64, trunc); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_NEAREST) { DEF_OP_MATH(float64, F64, rint); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_SQRT) { DEF_OP_MATH(float64, F64, sqrt); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_ADD) { DEF_OP_NUMERIC_64(float64, float64, F64, +); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_SUB) { DEF_OP_NUMERIC_64(float64, float64, F64, -); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_MUL) { DEF_OP_NUMERIC_64(float64, float64, F64, *); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_DIV) { DEF_OP_NUMERIC_64(float64, float64, F64, /); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_MIN) { float64 a, b; b = POP_F64(); a = POP_F64(); if (isnan(a)) PUSH_F64(a); else if (isnan(b)) PUSH_F64(b); else PUSH_F64(wa_fmin(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_MAX) { float64 a, b; b = POP_F64(); a = POP_F64(); if (isnan(a)) PUSH_F64(a); else if (isnan(b)) PUSH_F64(b); else PUSH_F64(wa_fmax(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_COPYSIGN) { float64 a, b; b = POP_F64(); a = POP_F64(); PUSH_F64(signbit(b) ? -fabs(a) : fabs(a)); HANDLE_OP_END(); } /* conversions of i32 */ HANDLE_OP(WASM_OP_I32_WRAP_I64) { int32 value = (int32)(POP_I64() & 0xFFFFFFFFLL); PUSH_I32(value); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_TRUNC_S_F32) { /* We don't use INT32_MIN/INT32_MAX/UINT32_MIN/UINT32_MAX, since float/double values of ieee754 cannot precisely represent all int32/uint32/int64/uint64 values, e.g. UINT32_MAX is 4294967295, but (float32)4294967295 is 4294967296.0f, but not 4294967295.0f. */ DEF_OP_TRUNC_F32(-2147483904.0f, 2147483648.0f, true, true); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_TRUNC_U_F32) { DEF_OP_TRUNC_F32(-1.0f, 4294967296.0f, true, false); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_TRUNC_S_F64) { DEF_OP_TRUNC_F64(-2147483649.0, 2147483648.0, true, true); /* frame_sp can't be moved in trunc function, we need to manually adjust it if src and dst op's cell num is different */ frame_sp--; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_TRUNC_U_F64) { DEF_OP_TRUNC_F64(-1.0, 4294967296.0, true, false); frame_sp--; HANDLE_OP_END(); } /* conversions of i64 */ HANDLE_OP(WASM_OP_I64_EXTEND_S_I32) { DEF_OP_CONVERT(int64, I64, int32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_EXTEND_U_I32) { DEF_OP_CONVERT(int64, I64, uint32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_TRUNC_S_F32) { DEF_OP_TRUNC_F32(-9223373136366403584.0f, 9223372036854775808.0f, false, true); frame_sp++; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_TRUNC_U_F32) { DEF_OP_TRUNC_F32(-1.0f, 18446744073709551616.0f, false, false); frame_sp++; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_TRUNC_S_F64) { DEF_OP_TRUNC_F64(-9223372036854777856.0, 9223372036854775808.0, false, true); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_TRUNC_U_F64) { DEF_OP_TRUNC_F64(-1.0, 18446744073709551616.0, false, false); HANDLE_OP_END(); } /* conversions of f32 */ HANDLE_OP(WASM_OP_F32_CONVERT_S_I32) { DEF_OP_CONVERT(float32, F32, int32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CONVERT_U_I32) { DEF_OP_CONVERT(float32, F32, uint32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CONVERT_S_I64) { DEF_OP_CONVERT(float32, F32, int64, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CONVERT_U_I64) { DEF_OP_CONVERT(float32, F32, uint64, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_DEMOTE_F64) { DEF_OP_CONVERT(float32, F32, float64, F64); HANDLE_OP_END(); } /* conversions of f64 */ HANDLE_OP(WASM_OP_F64_CONVERT_S_I32) { DEF_OP_CONVERT(float64, F64, int32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_CONVERT_U_I32) { DEF_OP_CONVERT(float64, F64, uint32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_CONVERT_S_I64) { DEF_OP_CONVERT(float64, F64, int64, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_CONVERT_U_I64) { DEF_OP_CONVERT(float64, F64, uint64, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_PROMOTE_F32) { DEF_OP_CONVERT(float64, F64, float32, F32); HANDLE_OP_END(); } /* reinterpretations */ HANDLE_OP(WASM_OP_I32_REINTERPRET_F32) HANDLE_OP(WASM_OP_I64_REINTERPRET_F64) HANDLE_OP(WASM_OP_F32_REINTERPRET_I32) HANDLE_OP(WASM_OP_F64_REINTERPRET_I64) { HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_EXTEND8_S) { DEF_OP_CONVERT(int32, I32, int8, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_EXTEND16_S) { DEF_OP_CONVERT(int32, I32, int16, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_EXTEND8_S) { DEF_OP_CONVERT(int64, I64, int8, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_EXTEND16_S) { DEF_OP_CONVERT(int64, I64, int16, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_EXTEND32_S) { DEF_OP_CONVERT(int64, I64, int32, I64); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_MISC_PREFIX) { uint32 opcode1; read_leb_uint32(frame_ip, frame_ip_end, opcode1); opcode = (uint8)opcode1; switch (opcode) { case WASM_OP_I32_TRUNC_SAT_S_F32: DEF_OP_TRUNC_SAT_F32(-2147483904.0f, 2147483648.0f, true, true); break; case WASM_OP_I32_TRUNC_SAT_U_F32: DEF_OP_TRUNC_SAT_F32(-1.0f, 4294967296.0f, true, false); break; case WASM_OP_I32_TRUNC_SAT_S_F64: DEF_OP_TRUNC_SAT_F64(-2147483649.0, 2147483648.0, true, true); frame_sp--; break; case WASM_OP_I32_TRUNC_SAT_U_F64: DEF_OP_TRUNC_SAT_F64(-1.0, 4294967296.0, true, false); frame_sp--; break; case WASM_OP_I64_TRUNC_SAT_S_F32: DEF_OP_TRUNC_SAT_F32(-9223373136366403584.0f, 9223372036854775808.0f, false, true); frame_sp++; break; case WASM_OP_I64_TRUNC_SAT_U_F32: DEF_OP_TRUNC_SAT_F32(-1.0f, 18446744073709551616.0f, false, false); frame_sp++; break; case WASM_OP_I64_TRUNC_SAT_S_F64: DEF_OP_TRUNC_SAT_F64(-9223372036854777856.0, 9223372036854775808.0, false, true); break; case WASM_OP_I64_TRUNC_SAT_U_F64: DEF_OP_TRUNC_SAT_F64(-1.0f, 18446744073709551616.0, false, false); break; #if WASM_ENABLE_BULK_MEMORY != 0 case WASM_OP_MEMORY_INIT: { uint32 addr, segment; uint64 bytes, offset, seg_len; uint8 *data; read_leb_uint32(frame_ip, frame_ip_end, segment); /* skip memory index */ frame_ip++; bytes = (uint64)(uint32)POP_I32(); offset = (uint64)(uint32)POP_I32(); addr = (uint32)POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(addr, bytes, maddr); seg_len = (uint64)module->module->data_segments[segment] ->data_length; data = module->module->data_segments[segment]->data; if (offset + bytes > seg_len) goto out_of_bounds; bh_memcpy_s(maddr, linear_mem_size - addr, data + offset, (uint32)bytes); break; } case WASM_OP_DATA_DROP: { uint32 segment; read_leb_uint32(frame_ip, frame_ip_end, segment); module->module->data_segments[segment]->data_length = 0; break; } case WASM_OP_MEMORY_COPY: { uint32 dst, src, len; uint8 *mdst, *msrc; frame_ip += 2; len = POP_I32(); src = POP_I32(); dst = POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(src, len, msrc); CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst); /* allowing the destination and source to overlap */ bh_memmove_s(mdst, linear_mem_size - dst, msrc, len); break; } case WASM_OP_MEMORY_FILL: { uint32 dst, len; uint8 fill_val, *mdst; frame_ip++; len = POP_I32(); fill_val = POP_I32(); dst = POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst); memset(mdst, fill_val, len); break; } #endif /* WASM_ENABLE_BULK_MEMORY */ #if WASM_ENABLE_REF_TYPES != 0 case WASM_OP_TABLE_INIT: { uint32 tbl_idx, elem_idx; uint64 n, s, d; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, elem_idx); bh_assert(elem_idx < module->module->table_seg_count); read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); n = (uint32)POP_I32(); s = (uint32)POP_I32(); d = (uint32)POP_I32(); /* TODO: what if the element is not passive? */ if (!n) { break; } if (n + s > module->module->table_segments[elem_idx] .function_count || d + n > tbl_inst->cur_size) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } if (module->module->table_segments[elem_idx] .is_dropped) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } if (!wasm_elem_is_passive( module->module->table_segments[elem_idx] .mode)) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } bh_memcpy_s( (uint8 *)(tbl_inst) + offsetof(WASMTableInstance, base_addr) + d * sizeof(uint32), (uint32)((tbl_inst->cur_size - d) * sizeof(uint32)), module->module->table_segments[elem_idx] .func_indexes + s, (uint32)(n * sizeof(uint32))); break; } case WASM_OP_ELEM_DROP: { uint32 elem_idx; read_leb_uint32(frame_ip, frame_ip_end, elem_idx); bh_assert(elem_idx < module->module->table_seg_count); module->module->table_segments[elem_idx].is_dropped = true; break; } case WASM_OP_TABLE_COPY: { uint32 src_tbl_idx, dst_tbl_idx; uint64 n, s, d; WASMTableInstance *src_tbl_inst, *dst_tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, dst_tbl_idx); bh_assert(dst_tbl_idx < module->table_count); dst_tbl_inst = wasm_get_table_inst(module, dst_tbl_idx); read_leb_uint32(frame_ip, frame_ip_end, src_tbl_idx); bh_assert(src_tbl_idx < module->table_count); src_tbl_inst = wasm_get_table_inst(module, src_tbl_idx); n = (uint32)POP_I32(); s = (uint32)POP_I32(); d = (uint32)POP_I32(); if (d + n > dst_tbl_inst->cur_size || s + n > src_tbl_inst->cur_size) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } /* if s >= d, copy from front to back */ /* if s < d, copy from back to front */ /* merge all together */ bh_memmove_s( (uint8 *)(dst_tbl_inst) + offsetof(WASMTableInstance, base_addr) + d * sizeof(uint32), (uint32)((dst_tbl_inst->cur_size - d) * sizeof(uint32)), (uint8 *)(src_tbl_inst) + offsetof(WASMTableInstance, base_addr) + s * sizeof(uint32), (uint32)(n * sizeof(uint32))); break; } case WASM_OP_TABLE_GROW: { uint32 tbl_idx, n, init_val, orig_tbl_sz; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); orig_tbl_sz = tbl_inst->cur_size; n = POP_I32(); init_val = POP_I32(); if (!wasm_enlarge_table(module, tbl_idx, n, init_val)) { PUSH_I32(-1); } else { PUSH_I32(orig_tbl_sz); } break; } case WASM_OP_TABLE_SIZE: { uint32 tbl_idx; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); PUSH_I32(tbl_inst->cur_size); break; } case WASM_OP_TABLE_FILL: { uint32 tbl_idx, n, fill_val; WASMTableInstance *tbl_inst; read_leb_uint32(frame_ip, frame_ip_end, tbl_idx); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); n = POP_I32(); fill_val = POP_I32(); i = POP_I32(); /* TODO: what if the element is not passive? */ /* TODO: what if the element is dropped? */ if (i + n > tbl_inst->cur_size) { /* TODO: verify warning content */ wasm_set_exception(module, "out of bounds table access"); goto got_exception; } for (; n != 0; i++, n--) { ((uint32 *)(tbl_inst->base_addr))[i] = fill_val; } break; } #endif /* WASM_ENABLE_REF_TYPES */ default: wasm_set_exception(module, "unsupported opcode"); goto got_exception; } HANDLE_OP_END(); } #if WASM_ENABLE_SHARED_MEMORY != 0 HANDLE_OP(WASM_OP_ATOMIC_PREFIX) { uint32 offset, align, addr; opcode = *frame_ip++; read_leb_uint32(frame_ip, frame_ip_end, align); read_leb_uint32(frame_ip, frame_ip_end, offset); switch (opcode) { case WASM_OP_ATOMIC_NOTIFY: { uint32 notify_count, ret; notify_count = POP_I32(); addr = POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); ret = wasm_runtime_atomic_notify( (WASMModuleInstanceCommon *)module, maddr, notify_count); bh_assert((int32)ret >= 0); PUSH_I32(ret); break; } case WASM_OP_ATOMIC_WAIT32: { uint64 timeout; uint32 expect, ret; timeout = POP_I64(); expect = POP_I32(); addr = POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); ret = wasm_runtime_atomic_wait( (WASMModuleInstanceCommon *)module, maddr, (uint64)expect, timeout, false); if (ret == (uint32)-1) goto got_exception; PUSH_I32(ret); break; } case WASM_OP_ATOMIC_WAIT64: { uint64 timeout, expect; uint32 ret; timeout = POP_I64(); expect = POP_I64(); addr = POP_I32(); CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); ret = wasm_runtime_atomic_wait( (WASMModuleInstanceCommon *)module, maddr, expect, timeout, true); if (ret == (uint32)-1) goto got_exception; PUSH_I32(ret); break; } case WASM_OP_ATOMIC_I32_LOAD: case WASM_OP_ATOMIC_I32_LOAD8_U: case WASM_OP_ATOMIC_I32_LOAD16_U: { uint32 readv; addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_I32_LOAD8_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint32)(*(uint8 *)maddr); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I32_LOAD16_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint32)LOAD_U16(maddr); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = LOAD_I32(maddr); os_mutex_unlock(&memory->mem_lock); } PUSH_I32(readv); break; } case WASM_OP_ATOMIC_I64_LOAD: case WASM_OP_ATOMIC_I64_LOAD8_U: case WASM_OP_ATOMIC_I64_LOAD16_U: case WASM_OP_ATOMIC_I64_LOAD32_U: { uint64 readv; addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_I64_LOAD8_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint64)(*(uint8 *)maddr); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I64_LOAD16_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint64)LOAD_U16(maddr); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I64_LOAD32_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint64)LOAD_U32(maddr); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = LOAD_I64(maddr); os_mutex_unlock(&memory->mem_lock); } PUSH_I64(readv); break; } case WASM_OP_ATOMIC_I32_STORE: case WASM_OP_ATOMIC_I32_STORE8: case WASM_OP_ATOMIC_I32_STORE16: { uint32 sval; sval = (uint32)POP_I32(); addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_I32_STORE8) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); *(uint8 *)maddr = (uint8)sval; os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I32_STORE16) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); STORE_U16(maddr, (uint16)sval); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); STORE_U32(maddr, frame_sp[1]); os_mutex_unlock(&memory->mem_lock); } break; } case WASM_OP_ATOMIC_I64_STORE: case WASM_OP_ATOMIC_I64_STORE8: case WASM_OP_ATOMIC_I64_STORE16: case WASM_OP_ATOMIC_I64_STORE32: { uint64 sval; sval = (uint64)POP_I64(); addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_I64_STORE8) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); *(uint8 *)maddr = (uint8)sval; os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I64_STORE16) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); STORE_U16(maddr, (uint16)sval); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_I64_STORE32) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); STORE_U32(maddr, (uint32)sval); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); STORE_U32(maddr, frame_sp[1]); STORE_U32(maddr + 4, frame_sp[2]); os_mutex_unlock(&memory->mem_lock); } break; } case WASM_OP_ATOMIC_RMW_I32_CMPXCHG: case WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U: case WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U: { uint32 readv, sval, expect; sval = POP_I32(); expect = POP_I32(); addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); expect = (uint8)expect; os_mutex_lock(&memory->mem_lock); readv = (uint32)(*(uint8 *)maddr); if (readv == expect) *(uint8 *)maddr = (uint8)(sval); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); expect = (uint16)expect; os_mutex_lock(&memory->mem_lock); readv = (uint32)LOAD_U16(maddr); if (readv == expect) STORE_U16(maddr, (uint16)(sval)); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = LOAD_I32(maddr); if (readv == expect) STORE_U32(maddr, sval); os_mutex_unlock(&memory->mem_lock); } PUSH_I32(readv); break; } case WASM_OP_ATOMIC_RMW_I64_CMPXCHG: case WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U: case WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U: case WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U: { uint64 readv, sval, expect; sval = (uint64)POP_I64(); expect = (uint64)POP_I64(); addr = POP_I32(); if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); expect = (uint8)expect; os_mutex_lock(&memory->mem_lock); readv = (uint64)(*(uint8 *)maddr); if (readv == expect) *(uint8 *)maddr = (uint8)(sval); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); expect = (uint16)expect; os_mutex_lock(&memory->mem_lock); readv = (uint64)LOAD_U16(maddr); if (readv == expect) STORE_U16(maddr, (uint16)(sval)); os_mutex_unlock(&memory->mem_lock); } else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U) { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); expect = (uint32)expect; os_mutex_lock(&memory->mem_lock); readv = (uint64)LOAD_U32(maddr); if (readv == expect) STORE_U32(maddr, (uint32)(sval)); os_mutex_unlock(&memory->mem_lock); } else { CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); CHECK_ATOMIC_MEMORY_ACCESS(); os_mutex_lock(&memory->mem_lock); readv = (uint64)LOAD_I64(maddr); if (readv == expect) { STORE_I64(maddr, sval); } os_mutex_unlock(&memory->mem_lock); } PUSH_I64(readv); break; } DEF_ATOMIC_RMW_OPCODE(ADD, +); DEF_ATOMIC_RMW_OPCODE(SUB, -); DEF_ATOMIC_RMW_OPCODE(AND, &); DEF_ATOMIC_RMW_OPCODE(OR, |); DEF_ATOMIC_RMW_OPCODE(XOR, ^); /* xchg, ignore the read value, and store the given value: readv * 0 + sval */ DEF_ATOMIC_RMW_OPCODE(XCHG, *0 +); } HANDLE_OP_END(); } #endif HANDLE_OP(WASM_OP_IMPDEP) { frame = prev_frame; frame_ip = frame->ip; frame_sp = frame->sp; frame_csp = frame->csp; goto call_func_from_entry; } #if WASM_ENABLE_DEBUG_INTERP != 0 HANDLE_OP(DEBUG_OP_BREAK) { wasm_cluster_thread_send_signal(exec_env, WAMR_SIG_TRAP); exec_env->suspend_flags.flags |= 2; frame_ip--; SYNC_ALL_TO_FRAME(); CHECK_SUSPEND_FLAGS(); HANDLE_OP_END(); } #endif #if WASM_ENABLE_LABELS_AS_VALUES == 0 default: wasm_set_exception(module, "unsupported opcode"); goto got_exception; } #endif #if WASM_ENABLE_LABELS_AS_VALUES != 0 HANDLE_OP(WASM_OP_UNUSED_0x06) HANDLE_OP(WASM_OP_UNUSED_0x07) HANDLE_OP(WASM_OP_UNUSED_0x08) HANDLE_OP(WASM_OP_UNUSED_0x09) HANDLE_OP(WASM_OP_UNUSED_0x0a) #if WASM_ENABLE_TAIL_CALL == 0 HANDLE_OP(WASM_OP_RETURN_CALL) HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT) #endif #if WASM_ENABLE_SHARED_MEMORY == 0 HANDLE_OP(WASM_OP_ATOMIC_PREFIX) #endif #if WASM_ENABLE_REF_TYPES == 0 HANDLE_OP(WASM_OP_SELECT_T) HANDLE_OP(WASM_OP_TABLE_GET) HANDLE_OP(WASM_OP_TABLE_SET) HANDLE_OP(WASM_OP_REF_NULL) HANDLE_OP(WASM_OP_REF_IS_NULL) HANDLE_OP(WASM_OP_REF_FUNC) #endif HANDLE_OP(WASM_OP_UNUSED_0x14) HANDLE_OP(WASM_OP_UNUSED_0x15) HANDLE_OP(WASM_OP_UNUSED_0x16) HANDLE_OP(WASM_OP_UNUSED_0x17) HANDLE_OP(WASM_OP_UNUSED_0x18) HANDLE_OP(WASM_OP_UNUSED_0x19) HANDLE_OP(WASM_OP_UNUSED_0x27) /* Used by fast interpreter */ HANDLE_OP(EXT_OP_SET_LOCAL_FAST_I64) HANDLE_OP(EXT_OP_TEE_LOCAL_FAST_I64) HANDLE_OP(EXT_OP_COPY_STACK_TOP) HANDLE_OP(EXT_OP_COPY_STACK_TOP_I64) HANDLE_OP(EXT_OP_COPY_STACK_VALUES) { wasm_set_exception(module, "unsupported opcode"); goto got_exception; } #endif #if WASM_ENABLE_LABELS_AS_VALUES == 0 continue; #else FETCH_OPCODE_AND_DISPATCH(); #endif #if WASM_ENABLE_TAIL_CALL != 0 call_func_from_return_call: { POP(cur_func->param_cell_num); if (cur_func->param_cell_num > 0) { word_copy(frame->lp, frame_sp, cur_func->param_cell_num); } FREE_FRAME(exec_env, frame); wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame); goto call_func_from_entry; } #endif call_func_from_interp: { /* Only do the copy when it's called from interpreter. */ WASMInterpFrame *outs_area = wasm_exec_env_wasm_stack_top(exec_env); POP(cur_func->param_cell_num); SYNC_ALL_TO_FRAME(); if (cur_func->param_cell_num > 0) { word_copy(outs_area->lp, frame_sp, cur_func->param_cell_num); } prev_frame = frame; } call_func_from_entry: { if (cur_func->is_import_func) { #if WASM_ENABLE_MULTI_MODULE != 0 if (cur_func->import_func_inst) { wasm_interp_call_func_import(module, exec_env, cur_func, prev_frame); } else #endif { wasm_interp_call_func_native(module, exec_env, cur_func, prev_frame); } prev_frame = frame->prev_frame; cur_func = frame->function; UPDATE_ALL_FROM_FRAME(); /* update memory instance ptr and memory size */ memory = module->default_memory; if (memory) linear_mem_size = num_bytes_per_page * memory->cur_page_count; if (wasm_get_exception(module)) goto got_exception; } else { WASMFunction *cur_wasm_func = cur_func->u.func; WASMType *func_type; func_type = cur_wasm_func->func_type; all_cell_num = (uint64)cur_func->param_cell_num + (uint64)cur_func->local_cell_num + (uint64)cur_wasm_func->max_stack_cell_num + ((uint64)cur_wasm_func->max_block_num) * sizeof(WASMBranchBlock) / 4; if (all_cell_num >= UINT32_MAX) { wasm_set_exception(module, "wasm operand stack overflow"); goto got_exception; } frame_size = wasm_interp_interp_frame_size((uint32)all_cell_num); if (!(frame = ALLOC_FRAME(exec_env, frame_size, prev_frame))) { frame = prev_frame; goto got_exception; } /* Initialize the interpreter context. */ frame->function = cur_func; frame_ip = wasm_get_func_code(cur_func); frame_ip_end = wasm_get_func_code_end(cur_func); frame_lp = frame->lp; frame_sp = frame->sp_bottom = frame_lp + cur_func->param_cell_num + cur_func->local_cell_num; frame->sp_boundary = frame->sp_bottom + cur_wasm_func->max_stack_cell_num; frame_csp = frame->csp_bottom = (WASMBranchBlock *)frame->sp_boundary; frame->csp_boundary = frame->csp_bottom + cur_wasm_func->max_block_num; /* Initialize the local variables */ memset(frame_lp + cur_func->param_cell_num, 0, (uint32)(cur_func->local_cell_num * 4)); /* Push function block as first block */ cell_num = func_type->ret_cell_num; PUSH_CSP(LABEL_TYPE_FUNCTION, 0, cell_num, frame_ip_end - 1); wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)frame); #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif } HANDLE_OP_END(); } return_func: { FREE_FRAME(exec_env, frame); wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame); if (!prev_frame->ip) /* Called from native. */ return; RECOVER_CONTEXT(prev_frame); HANDLE_OP_END(); } #if WASM_ENABLE_SHARED_MEMORY != 0 unaligned_atomic: wasm_set_exception(module, "unaligned atomic"); goto got_exception; #endif out_of_bounds: wasm_set_exception(module, "out of bounds memory access"); got_exception: #if WASM_ENABLE_DEBUG_INTERP != 0 if (wasm_exec_env_get_instance(exec_env) != NULL) { uint8 *frame_ip_temp = frame_ip; frame_ip = frame_ip_orig; wasm_cluster_thread_send_signal(exec_env, WAMR_SIG_TRAP); CHECK_SUSPEND_FLAGS(); frame_ip = frame_ip_temp; } #endif SYNC_ALL_TO_FRAME(); return; #if WASM_ENABLE_LABELS_AS_VALUES == 0 } #else FETCH_OPCODE_AND_DISPATCH(); #endif } void wasm_interp_call_wasm(WASMModuleInstance *module_inst, WASMExecEnv *exec_env, WASMFunctionInstance *function, uint32 argc, uint32 argv[]) { WASMRuntimeFrame *prev_frame = wasm_exec_env_get_cur_frame(exec_env); WASMInterpFrame *frame, *outs_area; /* Allocate sufficient cells for all kinds of return values. */ unsigned all_cell_num = function->ret_cell_num > 2 ? function->ret_cell_num : 2, i; /* This frame won't be used by JITed code, so only allocate interp frame here. */ unsigned frame_size = wasm_interp_interp_frame_size(all_cell_num); if (argc < function->param_cell_num) { char buf[128]; snprintf(buf, sizeof(buf), "invalid argument count %u, must be no smaller than %u", argc, function->param_cell_num); wasm_set_exception(module_inst, buf); return; } argc = function->param_cell_num; if ((uint8 *)&prev_frame < exec_env->native_stack_boundary) { wasm_set_exception((WASMModuleInstance *)exec_env->module_inst, "native stack overflow"); return; } if (!(frame = ALLOC_FRAME(exec_env, frame_size, (WASMInterpFrame *)prev_frame))) return; outs_area = wasm_exec_env_wasm_stack_top(exec_env); frame->function = NULL; frame->ip = NULL; /* There is no local variable. */ frame->sp = frame->lp + 0; if (argc > 0) word_copy(outs_area->lp, argv, argc); wasm_exec_env_set_cur_frame(exec_env, frame); if (function->is_import_func) { #if WASM_ENABLE_MULTI_MODULE != 0 if (function->import_module_inst) { wasm_interp_call_func_import(module_inst, exec_env, function, frame); } else #endif { /* it is a native function */ wasm_interp_call_func_native(module_inst, exec_env, function, frame); } } else { wasm_interp_call_func_bytecode(module_inst, exec_env, function, frame); } /* Output the return value to the caller */ if (!wasm_get_exception(module_inst)) { for (i = 0; i < function->ret_cell_num; i++) { argv[i] = *(frame->sp + i - function->ret_cell_num); } } else { #if WASM_ENABLE_DUMP_CALL_STACK != 0 if (wasm_interp_create_call_stack(exec_env)) { wasm_interp_dump_call_stack(exec_env, true, NULL, 0); } #endif LOG_DEBUG("meet an exception %s", wasm_get_exception(module_inst)); } wasm_exec_env_set_cur_frame(exec_env, prev_frame); FREE_FRAME(exec_env, frame); }