/* * 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 "wasm_memory.h" #include "../common/wasm_exec_env.h" #if WASM_ENABLE_GC != 0 #include "../common/gc/gc_object.h" #include "mem_alloc.h" #if WASM_ENABLE_STRINGREF != 0 #include "string_object.h" #endif #endif #if WASM_ENABLE_SHARED_MEMORY != 0 #include "../common/wasm_shared_memory.h" #endif typedef int32 CellType_I32; typedef int64 CellType_I64; typedef float32 CellType_F32; typedef float64 CellType_F64; #if WASM_ENABLE_THREAD_MGR == 0 #define get_linear_mem_size() linear_mem_size #else /** * Load memory data size in each time boundary check in * multi-threading mode since it may be changed by other * threads in memory.grow */ #define get_linear_mem_size() GET_LINEAR_MEMORY_SIZE(memory) #endif #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 #define CHECK_MEMORY_OVERFLOW(bytes) \ do { \ uint64 offset1 = (uint64)offset + (uint64)addr; \ if (disable_bounds_checks || offset1 + bytes <= get_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 (disable_bounds_checks || offset1 + bytes <= get_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) #else #define CHECK_MEMORY_OVERFLOW(bytes) \ do { \ uint64 offset1 = (uint64)offset + (uint64)addr; \ maddr = memory->memory_data + offset1; \ } while (0) #define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \ do { \ maddr = memory->memory_data + (uint32)(start); \ } while (0) #endif /* !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 */ #define CHECK_ATOMIC_MEMORY_ACCESS(align) \ do { \ if (((uintptr_t)maddr & (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 float32 f32_min(float32 a, float32 b) { if (isnan(a) || isnan(b)) return NAN; else if (a == 0 && a == b) return signbit(a) ? a : b; else return a > b ? b : a; } static inline float32 f32_max(float32 a, float32 b) { if (isnan(a) || isnan(b)) return NAN; else if (a == 0 && a == b) return signbit(a) ? b : a; else return a > b ? a : b; } static inline float64 f64_min(float64 a, float64 b) { if (isnan(a) || isnan(b)) return NAN; else if (a == 0 && a == b) return signbit(a) ? a : b; else return a > b ? b : a; } static inline float64 f64_max(float64 a, float64 b) { if (isnan(a) || isnan(b)) return NAN; else if (a == 0 && a == b) return signbit(a) ? b : a; else return a > b ? a : b; } 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 float local_copysignf(float x, float y) { union { float f; uint32 i; } ux = { x }, uy = { y }; ux.i &= 0x7fffffff; ux.i |= uy.i & 0x80000000; return ux.f; } static double local_copysign(double x, double y) { union { double f; uint64 i; } ux = { x }, uy = { y }; ux.i &= UINT64_MAX / 2; ux.i |= uy.i & 1ULL << 63; return ux.f; } #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 #define LOAD_U32_WITH_2U16S(addr) (*(uint32 *)(addr)) #define LOAD_PTR(addr) (*(void **)(addr)) #else /* else of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */ static inline uint32 LOAD_U32_WITH_2U16S(void *addr) { union { uint32 val; uint16 u16[2]; } u; bh_assert(((uintptr_t)addr & 1) == 0); u.u16[0] = ((uint16 *)addr)[0]; u.u16[1] = ((uint16 *)addr)[1]; return u.val; } #if UINTPTR_MAX == UINT32_MAX #define LOAD_PTR(addr) ((void *)LOAD_U32_WITH_2U16S(addr)) #elif UINTPTR_MAX == UINT64_MAX static inline void * LOAD_PTR(void *addr) { uintptr_t addr1 = (uintptr_t)addr; union { void *val; uint32 u32[2]; uint16 u16[4]; } u; bh_assert(((uintptr_t)addr & 1) == 0); if ((addr1 & (uintptr_t)7) == 0) return *(void **)addr; if ((addr1 & (uintptr_t)3) == 0) { u.u32[0] = ((uint32 *)addr)[0]; u.u32[1] = ((uint32 *)addr)[1]; } else { u.u16[0] = ((uint16 *)addr)[0]; u.u16[1] = ((uint16 *)addr)[1]; u.u16[2] = ((uint16 *)addr)[2]; u.u16[3] = ((uint16 *)addr)[3]; } return u.val; } #endif /* end of UINTPTR_MAX */ #endif /* end of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */ #if WASM_ENABLE_GC != 0 static void init_frame_refs(uint8 *frame_ref, uint32 cell_num, WASMFunctionInstance *func) { uint32 i, j; memset(frame_ref, 0, cell_num); for (i = 0, j = 0; i < func->param_count; i++) { if (wasm_is_type_reftype(func->param_types[i]) && !wasm_is_reftype_i31ref(func->param_types[i])) { frame_ref[j++] = 1; #if UINTPTR_MAX == UINT64_MAX frame_ref[j++] = 1; #endif } else { j += wasm_value_type_cell_num(func->param_types[i]); } } for (i = 0; i < func->local_count; i++) { if (wasm_is_type_reftype(func->local_types[i]) && !wasm_is_reftype_i31ref(func->local_types[i])) { frame_ref[j++] = 1; #if UINTPTR_MAX == UINT64_MAX frame_ref[j++] = 1; #endif } else { j += wasm_value_type_cell_num(func->local_types[i]); } } } uint8 * wasm_interp_get_frame_ref(WASMInterpFrame *frame) { return frame->frame_ref; } /* Return the corresponding ref slot of the given slot of local variable or stack pointer. */ #define COMPUTE_FRAME_REF(ref, off) (ref + (unsigned)(off)) #define FRAME_REF(off) COMPUTE_FRAME_REF(frame_ref, off) #if UINTPTR_MAX == UINT64_MAX #define SET_FRAME_REF(off) *FRAME_REF(off) = *FRAME_REF(off + 1) = 1 #define CLEAR_FRAME_REF(off) \ (unsigned)off >= local_cell_num \ ? (*FRAME_REF(off) = *FRAME_REF(off + 1) = 0) \ : (void)0 #else #define SET_FRAME_REF(off) *FRAME_REF(off) = 1 #define CLEAR_FRAME_REF(off) \ (unsigned)off >= local_cell_num ? (*FRAME_REF(off) = 0) : (void)0 #endif #define FRAME_REF_FOR(frame, p) \ COMPUTE_FRAME_REF(frame->frame_ref, p - frame->lp) #define CLEAR_FRAME_REF_FOR(p, n) \ do { \ int32 ref_i, ref_n = (int32)(n); \ uint8 *ref = FRAME_REF(p - frame_lp); \ for (ref_i = 0; ref_i < ref_n; ref_i++) \ ref[ref_i] = 0; \ } while (0) #endif /* end of WASM_ENABLE_GC != 0 */ #define read_uint32(p) \ (p += sizeof(uint32), LOAD_U32_WITH_2U16S(p - sizeof(uint32))) #define GET_LOCAL_INDEX_TYPE_AND_OFFSET() \ do { \ uint32 param_count = cur_func->param_count; \ local_idx = read_uint32(frame_ip); \ 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 GET_OFFSET() (frame_ip += 2, *(int16 *)(frame_ip - 2)) #define SET_OPERAND_I32(off, value) \ do { \ *(uint32 *)(frame_lp + *(int16 *)(frame_ip + off)) = value; \ } while (0) #define SET_OPERAND_F32(off, value) \ do { \ *(float32 *)(frame_lp + *(int16 *)(frame_ip + off)) = value; \ } while (0) #define SET_OPERAND_I64(off, value) \ do { \ uint32 *addr_tmp = frame_lp + *(int16 *)(frame_ip + off); \ PUT_I64_TO_ADDR(addr_tmp, value); \ } while (0) #define SET_OPERAND_F64(off, value) \ do { \ uint32 *addr_tmp = frame_lp + *(int16 *)(frame_ip + off); \ PUT_F64_TO_ADDR(addr_tmp, value); \ } while (0) #define SET_OPERAND_REF(off, value) \ do { \ uint32 *addr_tmp; \ opnd_off = *(int16 *)(frame_ip + off); \ addr_tmp = frame_lp + opnd_off; \ PUT_REF_TO_ADDR(addr_tmp, value); \ SET_FRAME_REF(ond_off); \ } while (0) #define SET_OPERAND(op_type, off, value) SET_OPERAND_##op_type(off, value) #define GET_OPERAND_I32(type, off) \ *(type *)(frame_lp + *(int16 *)(frame_ip + off)) #define GET_OPERAND_F32(type, off) \ *(type *)(frame_lp + *(int16 *)(frame_ip + off)) #define GET_OPERAND_I64(type, off) \ (type) GET_I64_FROM_ADDR(frame_lp + *(int16 *)(frame_ip + off)) #define GET_OPERAND_F64(type, off) \ (type) GET_F64_FROM_ADDR(frame_lp + *(int16 *)(frame_ip + off)) #define GET_OPERAND_REF(type, off) \ (type) GET_REF_FROM_ADDR(frame_lp + *(int16 *)(frame_ip + off)) #define GET_OPERAND(type, op_type, off) GET_OPERAND_##op_type(type, off) #define PUSH_I32(value) \ do { \ *(int32 *)(frame_lp + GET_OFFSET()) = value; \ } while (0) #define PUSH_F32(value) \ do { \ *(float32 *)(frame_lp + GET_OFFSET()) = value; \ } while (0) #define PUSH_I64(value) \ do { \ uint32 *addr_tmp = frame_lp + GET_OFFSET(); \ PUT_I64_TO_ADDR(addr_tmp, value); \ } while (0) #define PUSH_F64(value) \ do { \ uint32 *addr_tmp = frame_lp + GET_OFFSET(); \ PUT_F64_TO_ADDR(addr_tmp, value); \ } while (0) #define PUSH_REF(value) \ do { \ uint32 *addr_tmp; \ opnd_off = GET_OFFSET(); \ addr_tmp = frame_lp + opnd_off; \ PUT_REF_TO_ADDR(addr_tmp, value); \ SET_FRAME_REF(opnd_off); \ } while (0) #define PUSH_I31REF(value) \ do { \ uint32 *addr_tmp; \ opnd_off = GET_OFFSET(); \ addr_tmp = frame_lp + opnd_off; \ PUT_REF_TO_ADDR(addr_tmp, value); \ } while (0) #define POP_I32() (*(int32 *)(frame_lp + GET_OFFSET())) #define POP_F32() (*(float32 *)(frame_lp + GET_OFFSET())) #define POP_I64() (GET_I64_FROM_ADDR(frame_lp + GET_OFFSET())) #define POP_F64() (GET_F64_FROM_ADDR(frame_lp + GET_OFFSET())) #define POP_REF() \ (opnd_off = GET_OFFSET(), CLEAR_FRAME_REF((unsigned)(opnd_off)), \ GET_REF_FROM_ADDR(frame_lp + opnd_off)) #if WASM_ENABLE_GC != 0 #define SYNC_FRAME_REF() frame->frame_ref = frame_ref #define UPDATE_FRAME_REF() frame_ref = frame->frame_ref #else #define SYNC_FRAME_REF() (void)0 #define UPDATE_FRAME_REF() (void)0 #endif #define SYNC_ALL_TO_FRAME() \ do { \ frame->ip = frame_ip; \ SYNC_FRAME_REF(); \ } while (0) #define UPDATE_ALL_FROM_FRAME() \ do { \ frame_ip = frame->ip; \ UPDATE_FRAME_REF(); \ } while (0) #if WASM_ENABLE_LABELS_AS_VALUES != 0 #define UPDATE_FRAME_IP_END() (void)0 #else #define UPDATE_FRAME_IP_END() frame_ip_end = wasm_get_func_code_end(cur_func) #endif #if WASM_ENABLE_GC != 0 #define RECOVER_FRAME_REF() frame_ref = frame->frame_ref #else #define RECOVER_FRAME_REF() (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; \ UPDATE_FRAME_IP_END(); \ frame_lp = frame->lp; \ RECOVER_FRAME_REF(); \ } while (0) #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 #define GET_OPCODE() opcode = *frame_ip++; #else #define GET_OPCODE() \ opcode = *frame_ip; \ frame_ip += 2; #endif #define DEF_OP_EQZ(ctype, src_op_type) \ do { \ SET_OPERAND(I32, 2, (GET_OPERAND(ctype, src_op_type, 0) == 0)); \ frame_ip += 4; \ } while (0) #define DEF_OP_CMP(src_type, src_op_type, cond) \ do { \ SET_OPERAND(I32, 4, \ GET_OPERAND(src_type, src_op_type, 2) \ cond GET_OPERAND(src_type, src_op_type, 0)); \ frame_ip += 6; \ } while (0) #define DEF_OP_BIT_COUNT(src_type, src_op_type, operation) \ do { \ SET_OPERAND( \ src_op_type, 2, \ (src_type)operation(GET_OPERAND(src_type, src_op_type, 0))); \ frame_ip += 4; \ } while (0) #define DEF_OP_NUMERIC(src_type1, src_type2, src_op_type, operation) \ do { \ SET_OPERAND(src_op_type, 4, \ GET_OPERAND(src_type1, src_op_type, 2) \ operation GET_OPERAND(src_type2, src_op_type, 0)); \ frame_ip += 6; \ } while (0) #define DEF_OP_REINTERPRET(src_type, src_op_type) \ do { \ SET_OPERAND(src_op_type, 2, GET_OPERAND(src_type, src_op_type, 0)); \ frame_ip += 4; \ } while (0) #define DEF_OP_NUMERIC_64 DEF_OP_NUMERIC #define DEF_OP_NUMERIC2(src_type1, src_type2, src_op_type, operation) \ do { \ SET_OPERAND(src_op_type, 4, \ GET_OPERAND(src_type1, src_op_type, 2) operation( \ GET_OPERAND(src_type2, src_op_type, 0) % 32)); \ frame_ip += 6; \ } while (0) #define DEF_OP_NUMERIC2_64(src_type1, src_type2, src_op_type, operation) \ do { \ SET_OPERAND(src_op_type, 4, \ GET_OPERAND(src_type1, src_op_type, 2) operation( \ GET_OPERAND(src_type2, src_op_type, 0) % 64)); \ frame_ip += 6; \ } 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_MEMORY_OVERFLOW(1); \ CHECK_ATOMIC_MEMORY_ACCESS(1); \ \ shared_memory_lock(memory); \ readv = (uint32)(*(uint8 *)maddr); \ *(uint8 *)maddr = (uint8)(readv op sval); \ shared_memory_unlock(memory); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U) { \ CHECK_MEMORY_OVERFLOW(2); \ CHECK_ATOMIC_MEMORY_ACCESS(2); \ \ shared_memory_lock(memory); \ readv = (uint32)LOAD_U16(maddr); \ STORE_U16(maddr, (uint16)(readv op sval)); \ shared_memory_unlock(memory); \ } \ else { \ CHECK_MEMORY_OVERFLOW(4); \ CHECK_ATOMIC_MEMORY_ACCESS(4); \ \ shared_memory_lock(memory); \ readv = LOAD_I32(maddr); \ STORE_U32(maddr, readv op sval); \ shared_memory_unlock(memory); \ } \ 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_MEMORY_OVERFLOW(1); \ CHECK_ATOMIC_MEMORY_ACCESS(1); \ \ shared_memory_lock(memory); \ readv = (uint64)(*(uint8 *)maddr); \ *(uint8 *)maddr = (uint8)(readv op sval); \ shared_memory_unlock(memory); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U) { \ CHECK_MEMORY_OVERFLOW(2); \ CHECK_ATOMIC_MEMORY_ACCESS(2); \ \ shared_memory_lock(memory); \ readv = (uint64)LOAD_U16(maddr); \ STORE_U16(maddr, (uint16)(readv op sval)); \ shared_memory_unlock(memory); \ } \ else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U) { \ CHECK_MEMORY_OVERFLOW(4); \ CHECK_ATOMIC_MEMORY_ACCESS(4); \ \ shared_memory_lock(memory); \ readv = (uint64)LOAD_U32(maddr); \ STORE_U32(maddr, (uint32)(readv op sval)); \ shared_memory_unlock(memory); \ } \ else { \ uint64 op_result; \ CHECK_MEMORY_OVERFLOW(8); \ CHECK_ATOMIC_MEMORY_ACCESS(8); \ \ shared_memory_lock(memory); \ readv = (uint64)LOAD_I64(maddr); \ op_result = readv op sval; \ STORE_I64(maddr, op_result); \ shared_memory_unlock(memory); \ } \ PUSH_I64(readv); \ break; \ } #define DEF_OP_MATH(src_type, src_op_type, method) \ do { \ SET_OPERAND(src_op_type, 2, \ (src_type)method(GET_OPERAND(src_type, src_op_type, 0))); \ frame_ip += 4; \ } 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, uint8 *frame_ip, uint32 *frame_lp, float32 src_min, float32 src_max, bool saturating, bool is_i32, bool is_sign) { float32 src_value = GET_OPERAND(float32, F32, 0); uint64 dst_value_i64; uint32 dst_value_i32; if (!saturating) { if (isnan(src_value)) { wasm_set_exception(module, "invalid conversion to integer"); return false; } else if (src_value <= src_min || src_value >= src_max) { wasm_set_exception(module, "integer overflow"); return false; } } 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); SET_OPERAND(I32, 2, 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); SET_OPERAND(I64, 2, dst_value_i64); } return true; } static bool trunc_f64_to_int(WASMModuleInstance *module, uint8 *frame_ip, uint32 *frame_lp, float64 src_min, float64 src_max, bool saturating, bool is_i32, bool is_sign) { float64 src_value = GET_OPERAND(float64, F64, 0); uint64 dst_value_i64; uint32 dst_value_i32; if (!saturating) { if (isnan(src_value)) { wasm_set_exception(module, "invalid conversion to integer"); return false; } else if (src_value <= src_min || src_value >= src_max) { wasm_set_exception(module, "integer overflow"); return false; } } 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); SET_OPERAND(I32, 2, 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); SET_OPERAND(I64, 2, dst_value_i64); } return true; } #define DEF_OP_TRUNC_F32(min, max, is_i32, is_sign) \ do { \ if (!trunc_f32_to_int(module, frame_ip, frame_lp, min, max, false, \ is_i32, is_sign)) \ goto got_exception; \ frame_ip += 4; \ } while (0) #define DEF_OP_TRUNC_F64(min, max, is_i32, is_sign) \ do { \ if (!trunc_f64_to_int(module, frame_ip, frame_lp, min, max, false, \ is_i32, is_sign)) \ goto got_exception; \ frame_ip += 4; \ } while (0) #define DEF_OP_TRUNC_SAT_F32(min, max, is_i32, is_sign) \ do { \ (void)trunc_f32_to_int(module, frame_ip, frame_lp, min, max, true, \ is_i32, is_sign); \ frame_ip += 4; \ } while (0) #define DEF_OP_TRUNC_SAT_F64(min, max, is_i32, is_sign) \ do { \ (void)trunc_f64_to_int(module, frame_ip, frame_lp, min, max, true, \ is_i32, is_sign); \ frame_ip += 4; \ } 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) #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 #define CELL_SIZE sizeof(uint8) #else #define CELL_SIZE (sizeof(uint8) * 2) #endif static bool copy_stack_values(WASMModuleInstance *module, uint32 *frame_lp, uint32 arity, #if WASM_ENABLE_GC != 0 uint8 *frame_ref, #endif uint32 total_cell_num, const uint8 *cells, const int16 *src_offsets, const uint16 *dst_offsets) { /* To avoid the overlap issue between src offsets and dst offset, * we use 2 steps to do the copy. First step, copy the src values * to a tmp buf. Second step, copy the values from tmp buf to dst. */ bool ret = false; uint32 buf[16] = { 0 }, i; uint32 *tmp_buf = buf; uint8 cell; int16 src, buf_index = 0; uint16 dst; #if WASM_ENABLE_GC != 0 uint8 ref_buf[4]; uint8 *tmp_ref_buf = ref_buf; #endif /* Allocate memory if the buf is not large enough */ if (total_cell_num > sizeof(buf) / sizeof(uint32)) { uint64 total_size = sizeof(uint32) * (uint64)total_cell_num; if (total_size >= UINT32_MAX || !(tmp_buf = wasm_runtime_malloc((uint32)total_size))) { wasm_set_exception(module, "allocate memory failed"); goto fail; } } #if WASM_ENABLE_GC != 0 if (total_cell_num > sizeof(ref_buf) / sizeof(uint8)) { uint64 total_size = sizeof(uint8) * (uint64)total_cell_num; if (total_size >= UINT32_MAX || !(tmp_ref_buf = wasm_runtime_malloc((uint32)total_size))) { wasm_set_exception(module, "allocate memory failed"); goto fail; } } #endif /* 1) Copy values from src to tmp buf */ for (i = 0; i < arity; i++) { cell = cells[i * CELL_SIZE]; src = src_offsets[i]; if (cell == 1) { tmp_buf[buf_index] = frame_lp[src]; #if WASM_ENABLE_GC != 0 tmp_ref_buf[buf_index] = frame_ref[src]; frame_ref[src] = 0; #endif } else { tmp_buf[buf_index] = frame_lp[src]; tmp_buf[buf_index + 1] = frame_lp[src + 1]; #if WASM_ENABLE_GC != 0 tmp_ref_buf[buf_index] = frame_ref[src]; tmp_ref_buf[buf_index + 1] = frame_ref[src + 1]; frame_ref[src] = 0; frame_ref[src + 1] = 0; #endif } buf_index += cell; } /* 2) Copy values from tmp buf to dest */ buf_index = 0; for (i = 0; i < arity; i++) { cell = cells[i * CELL_SIZE]; dst = dst_offsets[i]; if (cell == 1) { frame_lp[dst] = tmp_buf[buf_index]; #if WASM_ENABLE_GC != 0 frame_ref[dst] = tmp_ref_buf[buf_index]; #endif } else { frame_lp[dst] = tmp_buf[buf_index]; frame_lp[dst + 1] = tmp_buf[buf_index + 1]; #if WASM_ENABLE_GC != 0 frame_ref[dst] = tmp_ref_buf[buf_index]; frame_ref[dst + 1] = tmp_ref_buf[buf_index + 1]; #endif } buf_index += cell; } ret = true; fail: if (tmp_buf != buf) { wasm_runtime_free(tmp_buf); } #if WASM_ENABLE_GC != 0 if (tmp_ref_buf != ref_buf) { wasm_runtime_free(tmp_ref_buf); } #endif return ret; } #if WASM_ENABLE_GC != 0 #define RECOVER_BR_INFO() \ do { \ uint32 arity; \ /* read arity */ \ arity = read_uint32(frame_ip); \ if (arity) { \ uint32 total_cell; \ uint16 *dst_offsets = NULL; \ uint8 *cells; \ int16 *src_offsets = NULL; \ /* read total cell num */ \ total_cell = read_uint32(frame_ip); \ /* cells */ \ cells = (uint8 *)frame_ip; \ frame_ip += arity * CELL_SIZE; \ /* src offsets */ \ src_offsets = (int16 *)frame_ip; \ frame_ip += arity * sizeof(int16); \ /* dst offsets */ \ dst_offsets = (uint16 *)frame_ip; \ frame_ip += arity * sizeof(uint16); \ if (arity == 1) { \ if (cells[0] == 1) { \ frame_lp[dst_offsets[0]] = frame_lp[src_offsets[0]]; \ /* Ignore constants because they are not reference */ \ if (src_offsets[0] >= 0) { \ CLEAR_FRAME_REF((unsigned)(src_offsets[0])); \ SET_FRAME_REF(dst_offsets[0]); \ } \ } \ else if (cells[0] == 2) { \ PUT_I64_TO_ADDR( \ frame_lp + dst_offsets[0], \ GET_I64_FROM_ADDR(frame_lp + src_offsets[0])); \ /* Ignore constants because they are not reference */ \ if (src_offsets[0] >= 0) { \ CLEAR_FRAME_REF((unsigned)src_offsets[0]); \ CLEAR_FRAME_REF((unsigned)(src_offsets[0] + 1)); \ SET_FRAME_REF((unsigned)dst_offsets[0]); \ SET_FRAME_REF((unsigned)(dst_offsets[0] + 1)); \ } \ } \ } \ else { \ if (!copy_stack_values(module, frame_lp, arity, frame_ref, \ total_cell, cells, src_offsets, \ dst_offsets)) \ goto got_exception; \ } \ } \ frame_ip = (uint8 *)LOAD_PTR(frame_ip); \ } while (0) #else #define RECOVER_BR_INFO() \ do { \ uint32 arity; \ /* read arity */ \ arity = read_uint32(frame_ip); \ if (arity) { \ uint32 total_cell; \ uint16 *dst_offsets = NULL; \ uint8 *cells; \ int16 *src_offsets = NULL; \ /* read total cell num */ \ total_cell = read_uint32(frame_ip); \ /* cells */ \ cells = (uint8 *)frame_ip; \ frame_ip += arity * CELL_SIZE; \ /* src offsets */ \ src_offsets = (int16 *)frame_ip; \ frame_ip += arity * sizeof(int16); \ /* dst offsets */ \ dst_offsets = (uint16 *)frame_ip; \ frame_ip += arity * sizeof(uint16); \ if (arity == 1) { \ if (cells[0] == 1) \ frame_lp[dst_offsets[0]] = frame_lp[src_offsets[0]]; \ else if (cells[0] == 2) { \ PUT_I64_TO_ADDR( \ frame_lp + dst_offsets[0], \ GET_I64_FROM_ADDR(frame_lp + src_offsets[0])); \ } \ } \ else { \ if (!copy_stack_values(module, frame_lp, arity, total_cell, \ cells, src_offsets, dst_offsets)) \ goto got_exception; \ } \ } \ frame_ip = (uint8 *)LOAD_PTR(frame_ip); \ } while (0) #endif #define SKIP_BR_INFO() \ do { \ uint32 arity; \ /* read and skip arity */ \ arity = read_uint32(frame_ip); \ if (arity) { \ /* skip total cell num */ \ frame_ip += sizeof(uint32); \ /* skip cells, src offsets and dst offsets */ \ frame_ip += (CELL_SIZE + sizeof(int16) + sizeof(uint16)) * arity; \ } \ /* skip target address */ \ frame_ip += sizeof(uint8 *); \ } while (0) 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_thread_cputime_us(); #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) { WASMInterpFrame *prev_frame = frame->prev_frame; uint64 time_elapsed = os_time_thread_cputime_us() - frame->time_started; frame->function->total_exec_time += time_elapsed; frame->function->total_exec_cnt++; /* parent function */ if (prev_frame && prev_frame->function) prev_frame->function->children_exec_time += time_elapsed; } #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; CApiFuncImport *c_api_func_import = NULL; unsigned local_cell_num = cur_func->param_cell_num > 2 ? cur_func->param_cell_num : 2; unsigned all_cell_num; WASMInterpFrame *frame; uint32 argv_ret[2], cur_func_index; void *native_func_pointer = NULL; bool ret; #if WASM_ENABLE_GC != 0 WASMFuncType *func_type; uint8 *frame_ref; #endif all_cell_num = local_cell_num; #if WASM_ENABLE_GC != 0 all_cell_num += (local_cell_num + 3) / 4; #endif if (!wasm_runtime_detect_native_stack_overflow(exec_env)) { return; } if (!(frame = ALLOC_FRAME(exec_env, wasm_interp_interp_frame_size(all_cell_num), prev_frame))) return; frame->function = cur_func; frame->ip = NULL; frame->lp = frame->operand; #if WASM_ENABLE_GC != 0 frame->frame_ref = (uint8 *)(frame->lp + local_cell_num); init_frame_refs(frame->frame_ref, local_cell_num, cur_func); #endif wasm_exec_env_set_cur_frame(exec_env, frame); cur_func_index = (uint32)(cur_func - module_inst->e->functions); bh_assert(cur_func_index < module_inst->module->import_function_count); if (!func_import->call_conv_wasm_c_api) { native_func_pointer = module_inst->import_func_ptrs[cur_func_index]; } else if (module_inst->c_api_func_imports) { c_api_func_import = module_inst->c_api_func_imports + cur_func_index; native_func_pointer = c_api_func_import->func_ptr_linked; } if (!native_func_pointer) { char buf[128]; snprintf(buf, sizeof(buf), "failed to call unlinked import function (%s, %s)", func_import->module_name, func_import->field_name); wasm_set_exception((WASMModuleInstance *)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, c_api_func_import->with_env_arg, c_api_func_import->env_arg); 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 WASM_ENABLE_GC != 0 func_type = cur_func->u.func_import->func_type; if (func_type->result_count && wasm_is_type_reftype(func_type->types[cur_func->param_count]) && !wasm_is_reftype_i31ref(func_type->types[cur_func->param_count])) { frame_ref = prev_frame->frame_ref + prev_frame->ret_offset; #if UINTPTR_MAX == UINT64_MAX *frame_ref = *(frame_ref + 1) = 1; #else *frame_ref = 1; #endif } #endif if (cur_func->ret_cell_num == 1) { prev_frame->lp[prev_frame->ret_offset] = argv_ret[0]; } else if (cur_func->ret_cell_num == 2) { prev_frame->lp[prev_frame->ret_offset] = argv_ret[0]; prev_frame->lp[prev_frame->ret_offset + 1] = argv_ret[1]; } 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]; WASMExecEnv *sub_module_exec_env = NULL; uintptr_t aux_stack_origin_boundary = 0; uintptr_t aux_stack_origin_bottom = 0; /* * perform stack overflow check before calling * wasm_interp_call_func_bytecode recursively. */ if (!wasm_runtime_detect_native_stack_overflow(exec_env)) { return; } 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; } /* Switch exec_env but keep using the same one by replacing necessary * variables */ sub_module_exec_env = wasm_runtime_get_exec_env_singleton( (WASMModuleInstanceCommon *)sub_module_inst); if (!sub_module_exec_env) { wasm_set_exception(module_inst, "create singleton exec_env failed"); return; } /* - module_inst */ wasm_exec_env_set_module_inst(exec_env, (WASMModuleInstanceCommon *)sub_module_inst); /* - aux_stack_boundary */ aux_stack_origin_boundary = exec_env->aux_stack_boundary; exec_env->aux_stack_boundary = sub_module_exec_env->aux_stack_boundary; /* - aux_stack_bottom */ aux_stack_origin_bottom = exec_env->aux_stack_bottom; exec_env->aux_stack_bottom = sub_module_exec_env->aux_stack_bottom; /* set ip NULL to make call_func_bytecode return after executing this function */ prev_frame->ip = NULL; /* call function of sub-module*/ wasm_interp_call_func_bytecode(sub_module_inst, exec_env, sub_func_inst, prev_frame); /* restore ip and other replaced */ prev_frame->ip = ip; exec_env->aux_stack_boundary = aux_stack_origin_boundary; exec_env->aux_stack_bottom = aux_stack_origin_bottom; wasm_exec_env_restore_module_inst(exec_env, (WASMModuleInstanceCommon *)module_inst); } #endif #if WASM_ENABLE_THREAD_MGR != 0 #define CHECK_SUSPEND_FLAGS() \ do { \ WASM_SUSPEND_FLAGS_LOCK(exec_env->wait_lock); \ if (WASM_SUSPEND_FLAGS_GET(exec_env->suspend_flags) \ & WASM_SUSPEND_FLAG_TERMINATE) { \ /* terminate current thread */ \ WASM_SUSPEND_FLAGS_UNLOCK(exec_env->wait_lock); \ return; \ } \ /* TODO: support suspend and breakpoint */ \ WASM_SUSPEND_FLAGS_UNLOCK(exec_env->wait_lock); \ } while (0) #endif #if WASM_ENABLE_OPCODE_COUNTER != 0 typedef struct OpcodeInfo { char *name; uint64 count; } OpcodeInfo; /* clang-format off */ #define HANDLE_OPCODE(op) \ { \ #op, 0 \ } DEFINE_GOTO_TABLE(OpcodeInfo, opcode_table); #undef HANDLE_OPCODE /* clang-format on */ static void wasm_interp_dump_op_count() { uint32 i; uint64 total_count = 0; for (i = 0; i < WASM_OP_IMPDEP; i++) total_count += opcode_table[i].count; os_printf("total opcode count: %ld\n", total_count); for (i = 0; i < WASM_OP_IMPDEP; i++) if (opcode_table[i].count > 0) os_printf("\t\t%s count:\t\t%ld,\t\t%.2f%%\n", opcode_table[i].name, opcode_table[i].count, opcode_table[i].count * 100.0f / total_count); } #endif #if WASM_ENABLE_LABELS_AS_VALUES != 0 /* #define HANDLE_OP(opcode) HANDLE_##opcode:printf(#opcode"\n"); */ #if WASM_ENABLE_OPCODE_COUNTER != 0 #define HANDLE_OP(opcode) HANDLE_##opcode : opcode_table[opcode].count++; #else #define HANDLE_OP(opcode) HANDLE_##opcode: #endif #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 #define FETCH_OPCODE_AND_DISPATCH() \ do { \ const void *p_label_addr = *(void **)frame_ip; \ frame_ip += sizeof(void *); \ goto *p_label_addr; \ } while (0) #else #if UINTPTR_MAX == UINT64_MAX #define FETCH_OPCODE_AND_DISPATCH() \ do { \ const void *p_label_addr; \ bh_assert(((uintptr_t)frame_ip & 1) == 0); \ /* int32 relative offset was emitted in 64-bit target */ \ p_label_addr = label_base + (int32)LOAD_U32_WITH_2U16S(frame_ip); \ frame_ip += sizeof(int32); \ goto *p_label_addr; \ } while (0) #else #define FETCH_OPCODE_AND_DISPATCH() \ do { \ const void *p_label_addr; \ bh_assert(((uintptr_t)frame_ip & 1) == 0); \ /* uint32 label address was emitted in 32-bit target */ \ p_label_addr = (void *)(uintptr_t)LOAD_U32_WITH_2U16S(frame_ip); \ frame_ip += sizeof(int32); \ goto *p_label_addr; \ } while (0) #endif #endif /* end of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */ #define HANDLE_OP_END() FETCH_OPCODE_AND_DISPATCH() #else /* else of WASM_ENABLE_LABELS_AS_VALUES */ #define HANDLE_OP(opcode) case opcode: #define HANDLE_OP_END() continue #endif /* end of WASM_ENABLE_LABELS_AS_VALUES */ #if WASM_ENABLE_LABELS_AS_VALUES != 0 static void **global_handle_table; #endif 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 = wasm_get_default_memory(module); #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \ || WASM_ENABLE_BULK_MEMORY != 0 uint64 linear_mem_size = 0; if (memory) #if WASM_ENABLE_THREAD_MGR == 0 linear_mem_size = memory->memory_data_size; #else linear_mem_size = GET_LINEAR_MEMORY_SIZE(memory); #endif #endif WASMGlobalInstance *globals = module->e ? module->e->globals : NULL; WASMGlobalInstance *global; uint8 *global_data = module->global_data; 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 */ #if WASM_ENABLE_LABELS_AS_VALUES != 0 #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 && UINTPTR_MAX == UINT64_MAX /* cache of label base addr */ register uint8 *label_base = &&HANDLE_WASM_OP_UNREACHABLE; #endif #endif #if WASM_ENABLE_GC != 0 register uint8 *frame_ref = NULL; /* cache of frame->ref */ uint32 local_cell_num = 0; int16 opnd_off; #endif uint8 *frame_ip_end = frame_ip + 1; uint32 cond, count, fidx, tidx, frame_size = 0; uint32 all_cell_num = 0; int16 addr1, addr2, addr_ret = 0; int32 didx, val; uint8 *maddr = NULL; uint32 local_idx, local_offset, global_idx; uint8 opcode = 0, local_type, *global_addr; #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 #if WASM_CONFIGURABLE_BOUNDS_CHECKS != 0 bool disable_bounds_checks = !wasm_runtime_is_bounds_checks_enabled( (WASMModuleInstanceCommon *)module); #else bool disable_bounds_checks = false; #endif #endif #if WASM_ENABLE_GC != 0 WASMObjectRef gc_obj; WASMStructObjectRef struct_obj; WASMArrayObjectRef array_obj; WASMFuncObjectRef func_obj; WASMI31ObjectRef i31_obj; WASMExternrefObjectRef externref_obj; uint32 type_idx; #if WASM_ENABLE_STRINGREF != 0 WASMString str_obj; WASMStringrefObjectRef stringref_obj; WASMStringviewWTF8ObjectRef stringview_wtf8_obj; WASMStringviewWTF16ObjectRef stringview_wtf16_obj; WASMStringviewIterObjectRef stringview_iter_obj; #endif #endif #if WASM_ENABLE_TAIL_CALL != 0 || WASM_ENABLE_GC != 0 bool is_return_call = false; #endif #if WASM_ENABLE_LABELS_AS_VALUES != 0 #define HANDLE_OPCODE(op) &&HANDLE_##op DEFINE_GOTO_TABLE(const void *, handle_table); #undef HANDLE_OPCODE if (exec_env == NULL) { global_handle_table = (void **)handle_table; return; } #endif #if WASM_ENABLE_LABELS_AS_VALUES == 0 while (frame_ip < frame_ip_end) { opcode = *frame_ip++; #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 frame_ip++; #endif switch (opcode) { #else goto *handle_table[WASM_OP_IMPDEP]; #endif /* control instructions */ HANDLE_OP(WASM_OP_UNREACHABLE) { wasm_set_exception(module, "unreachable"); goto got_exception; } HANDLE_OP(WASM_OP_IF) { cond = (uint32)POP_I32(); if (cond == 0) { uint8 *else_addr = (uint8 *)LOAD_PTR(frame_ip); if (else_addr == NULL) { frame_ip = (uint8 *)LOAD_PTR(frame_ip + sizeof(uint8 *)); } else { frame_ip = else_addr; } } else { frame_ip += sizeof(uint8 *) * 2; } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_ELSE) { frame_ip = (uint8 *)LOAD_PTR(frame_ip); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif recover_br_info: RECOVER_BR_INFO(); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_IF) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif cond = frame_lp[GET_OFFSET()]; if (cond) goto recover_br_info; else SKIP_BR_INFO(); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_TABLE) { uint32 arity, br_item_size; #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif count = read_uint32(frame_ip); didx = GET_OPERAND(uint32, I32, 0); frame_ip += 2; if (!(didx >= 0 && (uint32)didx < count)) didx = count; /* all br items must have the same arity and item size, so we only calculate the first item size */ arity = LOAD_U32_WITH_2U16S(frame_ip); br_item_size = sizeof(uint32); /* arity */ if (arity) { /* total cell num */ br_item_size += sizeof(uint32); /* cells, src offsets and dst offsets */ br_item_size += (CELL_SIZE + sizeof(int16) + sizeof(uint16)) * arity; } /* target address */ br_item_size += sizeof(uint8 *); frame_ip += br_item_size * didx; goto recover_br_info; } HANDLE_OP(WASM_OP_RETURN) { uint32 ret_idx; WASMFuncType *func_type; uint32 off, ret_offset; uint8 *ret_types; if (cur_func->is_import_func) func_type = cur_func->u.func_import->func_type; else func_type = cur_func->u.func->func_type; /* types of each return value */ ret_types = func_type->types + func_type->param_count; ret_offset = prev_frame->ret_offset; for (ret_idx = 0, off = sizeof(int16) * (func_type->result_count - 1); ret_idx < func_type->result_count; ret_idx++, off -= sizeof(int16)) { if (ret_types[ret_idx] == VALUE_TYPE_I64 || ret_types[ret_idx] == VALUE_TYPE_F64) { PUT_I64_TO_ADDR(prev_frame->lp + ret_offset, GET_OPERAND(uint64, I64, off)); ret_offset += 2; } #if WASM_ENABLE_GC != 0 else if (wasm_is_type_reftype(ret_types[ret_idx])) { PUT_REF_TO_ADDR(prev_frame->lp + ret_offset, GET_OPERAND(void *, REF, off)); if (!wasm_is_reftype_i31ref(ret_types[ret_idx])) { *(prev_frame->frame_ref + ret_offset) = 1; #if UINTPTR_MAX == UINT64_MAX *(prev_frame->frame_ref + ret_offset + 1) = 1; #endif } ret_offset += REF_CELL_NUM; } #endif else { prev_frame->lp[ret_offset] = GET_OPERAND(uint32, I32, off); ret_offset++; } } goto return_func; } HANDLE_OP(WASM_OP_CALL_INDIRECT) #if WASM_ENABLE_TAIL_CALL != 0 HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT) #endif { WASMFuncType *cur_type, *cur_func_type; WASMTableInstance *tbl_inst; uint32 tbl_idx; #if WASM_ENABLE_TAIL_CALL != 0 GET_OPCODE(); #endif #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif tidx = read_uint32(frame_ip); cur_type = (WASMFuncType *)module->module->types[tidx]; tbl_idx = read_uint32(frame_ip); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); val = GET_OPERAND(uint32, I32, 0); frame_ip += 2; if ((uint32)val >= tbl_inst->cur_size) { wasm_set_exception(module, "undefined element"); goto got_exception; } /* clang-format off */ #if WASM_ENABLE_GC == 0 fidx = (uint32)tbl_inst->elems[val]; if (fidx == (uint32)-1) { wasm_set_exception(module, "uninitialized element"); goto got_exception; } #else func_obj = (WASMFuncObjectRef)tbl_inst->elems[val]; if (!func_obj) { wasm_set_exception(module, "uninitialized element"); goto got_exception; } fidx = wasm_func_obj_get_func_idx_bound(func_obj); #endif /* clang-format on */ /* * 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->e->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } /* always call module own functions */ cur_func = module->e->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; /* clang-format off */ #if WASM_ENABLE_GC == 0 if (cur_type != cur_func_type) { wasm_set_exception(module, "indirect call type mismatch"); goto got_exception; } #else if (!wasm_func_type_is_super_of(cur_type, cur_func_type)) { wasm_set_exception(module, "indirect call type mismatch"); goto got_exception; } #endif /* clang-format on */ #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; } #if WASM_ENABLE_EXCE_HANDLING != 0 HANDLE_OP(WASM_OP_TRY) HANDLE_OP(WASM_OP_CATCH) HANDLE_OP(WASM_OP_THROW) HANDLE_OP(WASM_OP_RETHROW) HANDLE_OP(WASM_OP_DELEGATE) HANDLE_OP(WASM_OP_CATCH_ALL) HANDLE_OP(EXT_OP_TRY) { wasm_set_exception(module, "unsupported opcode"); goto got_exception; } #endif /* parametric instructions */ HANDLE_OP(WASM_OP_SELECT) { cond = frame_lp[GET_OFFSET()]; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); if (!cond) { if (addr_ret != addr1) frame_lp[addr_ret] = frame_lp[addr1]; } else { if (addr_ret != addr2) frame_lp[addr_ret] = frame_lp[addr2]; } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SELECT_64) { cond = frame_lp[GET_OFFSET()]; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); if (!cond) { if (addr_ret != addr1) PUT_I64_TO_ADDR(frame_lp + addr_ret, GET_I64_FROM_ADDR(frame_lp + addr1)); } else { if (addr_ret != addr2) PUT_I64_TO_ADDR(frame_lp + addr_ret, GET_I64_FROM_ADDR(frame_lp + addr2)); } HANDLE_OP_END(); } #if WASM_ENABLE_GC != 0 HANDLE_OP(WASM_OP_SELECT_T) { cond = frame_lp[GET_OFFSET()]; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); if (!cond) { if (addr_ret != addr1) PUT_REF_TO_ADDR(frame_lp + addr_ret, GET_REF_FROM_ADDR(frame_lp + addr1)); } else { if (addr_ret != addr2) PUT_REF_TO_ADDR(frame_lp + addr_ret, GET_REF_FROM_ADDR(frame_lp + addr2)); } { uint8 orig_ref = 0; /* Ignore constants because they are not reference */ if (addr1 >= 0) { orig_ref = *FRAME_REF(addr1); CLEAR_FRAME_REF(addr1); } if (addr2 >= 0) { CLEAR_FRAME_REF(addr2); } if (orig_ref) { SET_FRAME_REF(addr_ret); } } HANDLE_OP_END(); } #endif #if WASM_ENABLE_REF_TYPES != 0 || WASM_ENABLE_GC != 0 HANDLE_OP(WASM_OP_TABLE_GET) { uint32 tbl_idx, elem_idx; WASMTableInstance *tbl_inst; tbl_idx = read_uint32(frame_ip); 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; } #if WASM_ENABLE_GC == 0 PUSH_I32(tbl_inst->elems[elem_idx]); #else PUSH_REF(tbl_inst->elems[elem_idx]); #endif HANDLE_OP_END(); } HANDLE_OP(WASM_OP_TABLE_SET) { uint32 tbl_idx, elem_idx; WASMTableInstance *tbl_inst; table_elem_type_t elem_val; tbl_idx = read_uint32(frame_ip); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); #if WASM_ENABLE_GC == 0 elem_val = POP_I32(); #else elem_val = POP_REF(); #endif elem_idx = POP_I32(); if (elem_idx >= tbl_inst->cur_size) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } tbl_inst->elems[elem_idx] = elem_val; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_NULL) { #if WASM_ENABLE_GC == 0 PUSH_I32(NULL_REF); #else PUSH_REF(NULL_REF); #endif HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_IS_NULL) { #if WASM_ENABLE_GC == 0 uint32 ref_val; ref_val = POP_I32(); #else void *ref_val; ref_val = POP_REF(); #endif PUSH_I32(ref_val == NULL_REF ? 1 : 0); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_FUNC) { uint32 func_idx = read_uint32(frame_ip); #if WASM_ENABLE_GC == 0 PUSH_I32(func_idx); #else SYNC_ALL_TO_FRAME(); if (!(gc_obj = wasm_create_func_obj(module, func_idx, true, NULL, 0))) { goto got_exception; } PUSH_REF(gc_obj); #endif HANDLE_OP_END(); } #endif /* end of WASM_ENABLE_REF_TYPES != 0 || WASM_ENABLE_GC != 0 */ #if WASM_ENABLE_GC != 0 HANDLE_OP(WASM_OP_CALL_REF) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif func_obj = POP_REF(); if (!func_obj) { wasm_set_exception(module, "null function object"); goto got_exception; } fidx = wasm_func_obj_get_func_idx_bound(func_obj); cur_func = module->e->functions + fidx; goto call_func_from_interp; } HANDLE_OP(WASM_OP_RETURN_CALL_REF) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif func_obj = POP_REF(); if (!func_obj) { wasm_set_exception(module, "null function object"); goto got_exception; } fidx = wasm_func_obj_get_func_idx_bound(func_obj); cur_func = module->e->functions + fidx; goto call_func_from_return_call; } HANDLE_OP(WASM_OP_REF_AS_NON_NULL) { gc_obj = POP_REF(); if (gc_obj == NULL_REF) { wasm_set_exception(module, "null reference"); goto got_exception; } PUSH_REF(gc_obj); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_REF_EQ) { WASMObjectRef gc_obj1, gc_obj2; gc_obj2 = POP_REF(); gc_obj1 = POP_REF(); val = wasm_obj_equal(gc_obj1, gc_obj2); PUSH_I32(val); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_ON_NULL) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif opnd_off = GET_OFFSET(); gc_obj = GET_REF_FROM_ADDR(frame_lp + opnd_off); if (gc_obj == NULL_REF) { CLEAR_FRAME_REF(opnd_off); goto recover_br_info; } else { SKIP_BR_INFO(); } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_BR_ON_NON_NULL) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif opnd_off = GET_OFFSET(); gc_obj = GET_REF_FROM_ADDR(frame_lp + opnd_off); if (gc_obj != NULL_REF) { goto recover_br_info; } else { CLEAR_FRAME_REF(opnd_off); SKIP_BR_INFO(); } HANDLE_OP_END(); } HANDLE_OP(WASM_OP_GC_PREFIX) { GET_OPCODE(); switch (opcode) { case WASM_OP_STRUCT_NEW: case WASM_OP_STRUCT_NEW_DEFAULT: { WASMModule *wasm_module = module->module; WASMStructType *struct_type; WASMRttType *rtt_type; WASMValue field_value = { 0 }; type_idx = read_uint32(frame_ip); struct_type = (WASMStructType *)module->module->types[type_idx]; if (!(rtt_type = wasm_rtt_type_new( (WASMType *)struct_type, type_idx, wasm_module->rtt_types, wasm_module->type_count, &wasm_module->rtt_type_lock))) { wasm_set_exception(module, "create rtt type failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); struct_obj = wasm_struct_obj_new(exec_env, rtt_type); if (!struct_obj) { wasm_set_exception(module, "create struct object failed"); goto got_exception; } if (opcode == WASM_OP_STRUCT_NEW) { WASMStructFieldType *fields = struct_type->fields; int32 field_count = (int32)struct_type->field_count; int32 field_idx; uint8 field_type; for (field_idx = field_count - 1; field_idx >= 0; field_idx--) { field_type = fields[field_idx].field_type; if (wasm_is_type_reftype(field_type)) { field_value.gc_obj = POP_REF(); } else if (field_type == VALUE_TYPE_I32 || field_type == VALUE_TYPE_F32 || field_type == PACKED_TYPE_I8 || field_type == PACKED_TYPE_I16) { field_value.i32 = POP_I32(); } else { field_value.i64 = POP_I64(); } wasm_struct_obj_set_field(struct_obj, field_idx, &field_value); } } PUSH_REF(struct_obj); HANDLE_OP_END(); } case WASM_OP_STRUCT_GET: case WASM_OP_STRUCT_GET_S: case WASM_OP_STRUCT_GET_U: { WASMStructType *struct_type; WASMValue field_value = { 0 }; uint32 field_idx; uint8 field_type; type_idx = read_uint32(frame_ip); field_idx = read_uint32(frame_ip); struct_type = (WASMStructType *)module->module->types[type_idx]; struct_obj = POP_REF(); if (!struct_obj) { wasm_set_exception(module, "null structure object"); goto got_exception; } wasm_struct_obj_get_field( struct_obj, field_idx, opcode == WASM_OP_STRUCT_GET_S ? true : false, &field_value); field_type = struct_type->fields[field_idx].field_type; if (wasm_is_reftype_i31ref(field_type)) { PUSH_I31REF(field_value.gc_obj); } else if (wasm_is_type_reftype(field_type)) { PUSH_REF(field_value.gc_obj); } else if (field_type == VALUE_TYPE_I32 || field_type == VALUE_TYPE_F32 || field_type == PACKED_TYPE_I8 || field_type == PACKED_TYPE_I16) { PUSH_I32(field_value.i32); } else { PUSH_I64(field_value.i64); } HANDLE_OP_END(); } case WASM_OP_STRUCT_SET: { WASMStructType *struct_type; WASMValue field_value = { 0 }; uint32 field_idx; uint8 field_type; type_idx = read_uint32(frame_ip); field_idx = read_uint32(frame_ip); struct_type = (WASMStructType *)module->module->types[type_idx]; field_type = struct_type->fields[field_idx].field_type; if (wasm_is_type_reftype(field_type)) { field_value.gc_obj = POP_REF(); } else if (field_type == VALUE_TYPE_I32 || field_type == VALUE_TYPE_F32 || field_type == PACKED_TYPE_I8 || field_type == PACKED_TYPE_I16) { field_value.i32 = POP_I32(); } else { field_value.i64 = POP_I64(); } struct_obj = POP_REF(); if (!struct_obj) { wasm_set_exception(module, "null structure object"); goto got_exception; } wasm_struct_obj_set_field(struct_obj, field_idx, &field_value); HANDLE_OP_END(); } case WASM_OP_ARRAY_NEW: case WASM_OP_ARRAY_NEW_DEFAULT: case WASM_OP_ARRAY_NEW_FIXED: { WASMModule *wasm_module = module->module; WASMArrayType *array_type; WASMRttType *rtt_type; WASMValue array_elem = { 0 }; uint32 array_len, i; type_idx = read_uint32(frame_ip); array_type = (WASMArrayType *)wasm_module->types[type_idx]; if (!(rtt_type = wasm_rtt_type_new( (WASMType *)array_type, type_idx, wasm_module->rtt_types, wasm_module->type_count, &wasm_module->rtt_type_lock))) { wasm_set_exception(module, "create rtt type failed"); goto got_exception; } if (opcode != WASM_OP_ARRAY_NEW_FIXED) array_len = POP_I32(); else array_len = read_uint32(frame_ip); if (opcode == WASM_OP_ARRAY_NEW) { if (wasm_is_type_reftype(array_type->elem_type)) { array_elem.gc_obj = POP_REF(); } else if (array_type->elem_type == VALUE_TYPE_I32 || array_type->elem_type == VALUE_TYPE_F32 || array_type->elem_type == PACKED_TYPE_I8 || array_type->elem_type == PACKED_TYPE_I16) { array_elem.i32 = POP_I32(); } else { array_elem.i64 = POP_I64(); } } SYNC_ALL_TO_FRAME(); array_obj = wasm_array_obj_new(exec_env, rtt_type, array_len, &array_elem); if (!array_obj) { wasm_set_exception(module, "create array object failed"); goto got_exception; } if (opcode == WASM_OP_ARRAY_NEW_FIXED) { for (i = 0; i < array_len; i++) { if (wasm_is_type_reftype( array_type->elem_type)) { array_elem.gc_obj = POP_REF(); } else if (array_type->elem_type == VALUE_TYPE_I32 || array_type->elem_type == VALUE_TYPE_F32 || array_type->elem_type == PACKED_TYPE_I8 || array_type->elem_type == PACKED_TYPE_I16) { array_elem.i32 = POP_I32(); } else { array_elem.i64 = POP_I64(); } wasm_array_obj_set_elem( array_obj, array_len - 1 - i, &array_elem); } } PUSH_REF(array_obj); HANDLE_OP_END(); } case WASM_OP_ARRAY_NEW_DATA: { WASMModule *wasm_module = module->module; WASMArrayType *array_type; WASMRttType *rtt_type; WASMValue array_elem = { 0 }; WASMDataSeg *data_seg; uint8 *array_elem_base; uint32 array_len, data_seg_idx, data_seg_offset; uint32 elem_size = 0; uint64 total_size; type_idx = read_uint32(frame_ip); data_seg_idx = read_uint32(frame_ip); data_seg = wasm_module->data_segments[data_seg_idx]; array_type = (WASMArrayType *)wasm_module->types[type_idx]; if (!(rtt_type = wasm_rtt_type_new( (WASMType *)array_type, type_idx, wasm_module->rtt_types, wasm_module->type_count, &wasm_module->rtt_type_lock))) { wasm_set_exception(module, "create rtt type failed"); goto got_exception; } array_len = POP_I32(); data_seg_offset = POP_I32(); switch (array_type->elem_type) { case PACKED_TYPE_I8: elem_size = 1; break; case PACKED_TYPE_I16: elem_size = 2; break; case VALUE_TYPE_I32: case VALUE_TYPE_F32: elem_size = 4; break; case VALUE_TYPE_I64: case VALUE_TYPE_F64: elem_size = 8; break; default: bh_assert(0); } total_size = (uint64)elem_size * array_len; if (data_seg_offset >= data_seg->data_length || total_size > data_seg->data_length - data_seg_offset) { wasm_set_exception(module, "data segment out of bounds"); goto got_exception; } SYNC_ALL_TO_FRAME(); array_obj = wasm_array_obj_new(exec_env, rtt_type, array_len, &array_elem); if (!array_obj) { wasm_set_exception(module, "create array object failed"); goto got_exception; } array_elem_base = (uint8 *)wasm_array_obj_first_elem_addr(array_obj); bh_memcpy_s(array_elem_base, (uint32)total_size, data_seg->data + data_seg_offset, (uint32)total_size); PUSH_REF(array_obj); HANDLE_OP_END(); } case WASM_OP_ARRAY_NEW_ELEM: { /* TODO */ wasm_set_exception(module, "unsupported opcode"); goto got_exception; } case WASM_OP_ARRAY_GET: case WASM_OP_ARRAY_GET_S: case WASM_OP_ARRAY_GET_U: { WASMArrayType *array_type; WASMValue array_elem = { 0 }; uint32 elem_idx, elem_size_log; type_idx = read_uint32(frame_ip); array_type = (WASMArrayType *)module->module->types[type_idx]; elem_idx = POP_I32(); array_obj = POP_REF(); if (!array_obj) { wasm_set_exception(module, "null array reference"); goto got_exception; } if (elem_idx >= wasm_array_obj_length(array_obj)) { wasm_set_exception(module, "out of bounds array access"); goto got_exception; } wasm_array_obj_get_elem( array_obj, elem_idx, opcode == WASM_OP_ARRAY_GET_S ? true : false, &array_elem); elem_size_log = wasm_array_obj_elem_size_log(array_obj); if (wasm_is_reftype_i31ref(array_type->elem_type)) { PUSH_I31REF(array_elem.gc_obj); } else if (wasm_is_type_reftype(array_type->elem_type)) { PUSH_REF(array_elem.gc_obj); } else if (elem_size_log < 3) { PUSH_I32(array_elem.i32); } else { PUSH_I64(array_elem.i64); } HANDLE_OP_END(); } case WASM_OP_ARRAY_SET: { WASMArrayType *array_type; WASMValue array_elem = { 0 }; uint32 elem_idx; type_idx = read_uint32(frame_ip); array_type = (WASMArrayType *)module->module->types[type_idx]; if (wasm_is_type_reftype(array_type->elem_type)) { array_elem.gc_obj = POP_REF(); } else if (array_type->elem_type == VALUE_TYPE_I32 || array_type->elem_type == VALUE_TYPE_F32 || array_type->elem_type == PACKED_TYPE_I8 || array_type->elem_type == PACKED_TYPE_I16) { array_elem.i32 = POP_I32(); } else { array_elem.i64 = POP_I64(); } elem_idx = POP_I32(); array_obj = POP_REF(); if (!array_obj) { wasm_set_exception(module, "null array reference"); goto got_exception; } if (elem_idx >= wasm_array_obj_length(array_obj)) { wasm_set_exception(module, "out of bounds array access"); goto got_exception; } wasm_array_obj_set_elem(array_obj, elem_idx, &array_elem); HANDLE_OP_END(); } case WASM_OP_ARRAY_LEN: { uint32 array_len; array_obj = POP_REF(); if (!array_obj) { wasm_set_exception(module, "null array reference"); goto got_exception; } array_len = wasm_array_obj_length(array_obj); PUSH_I32(array_len); HANDLE_OP_END(); } case WASM_OP_ARRAY_FILL: { WASMArrayType *array_type; WASMValue fill_value = { 0 }; uint32 start_offset, len; type_idx = read_uint32(frame_ip); array_type = (WASMArrayType *)module->module->types[type_idx]; len = POP_I32(); if (wasm_is_type_reftype(array_type->elem_type)) { fill_value.gc_obj = POP_REF(); } else if (array_type->elem_type == VALUE_TYPE_I32 || array_type->elem_type == VALUE_TYPE_F32 || array_type->elem_type == PACKED_TYPE_I8 || array_type->elem_type == PACKED_TYPE_I16) { fill_value.i32 = POP_I32(); } else { fill_value.i64 = POP_I64(); } start_offset = POP_I32(); array_obj = POP_REF(); if (!array_obj) { wasm_set_exception(module, "null array reference"); goto got_exception; } if (len > 0) { if ((uint64)start_offset + len >= wasm_array_obj_length(array_obj)) { wasm_set_exception( module, "out of bounds array access"); goto got_exception; } wasm_array_obj_fill(array_obj, start_offset, len, &fill_value); } HANDLE_OP_END(); } case WASM_OP_ARRAY_COPY: { uint32 dst_offset, src_offset, len, src_type_index; WASMArrayObjectRef src_obj, dst_obj; type_idx = read_uint32(frame_ip); src_type_index = read_uint32(frame_ip); len = POP_I32(); src_offset = POP_I32(); src_obj = POP_REF(); dst_offset = POP_I32(); dst_obj = POP_REF(); if (!src_obj || !dst_obj) { wasm_set_exception(module, "null array reference"); goto got_exception; } if (len > 0) { if ((dst_offset > UINT32_MAX - len) || (dst_offset + len > wasm_array_obj_length(dst_obj)) || (src_offset > UINT32_MAX - len) || (src_offset + len > wasm_array_obj_length(src_obj))) { wasm_set_exception( module, "out of bounds array access"); goto got_exception; } wasm_array_obj_copy(dst_obj, dst_offset, src_obj, src_offset, len); } (void)src_type_index; HANDLE_OP_END(); } case WASM_OP_REF_I31: { uint32 i31_val; i31_val = POP_I32(); i31_obj = wasm_i31_obj_new(i31_val); PUSH_I31REF(i31_obj); HANDLE_OP_END(); } case WASM_OP_I31_GET_S: case WASM_OP_I31_GET_U: { uint32 i31_val; i31_obj = (WASMI31ObjectRef)POP_REF(); if (!i31_obj) { wasm_set_exception(module, "null i31 reference"); goto got_exception; } i31_val = (uint32)(((uintptr_t)i31_obj) >> 1); if (opcode == WASM_OP_I31_GET_S && (i31_val & 0x40000000) /* bit 30 is 1 */) /* set bit 31 to 1 */ i31_val |= 0x80000000; PUSH_I32(i31_val); HANDLE_OP_END(); } case WASM_OP_REF_TEST: case WASM_OP_REF_CAST: case WASM_OP_REF_TEST_NULLABLE: case WASM_OP_REF_CAST_NULLABLE: { int32 heap_type; heap_type = (int32)read_uint32(frame_ip); gc_obj = POP_REF(); if (!gc_obj) { if (opcode == WASM_OP_REF_TEST || opcode == WASM_OP_REF_TEST_NULLABLE) { if (opcode == WASM_OP_REF_TEST) PUSH_I32(0); else PUSH_I32(1); } else if (opcode == WASM_OP_REF_CAST) { wasm_set_exception(module, "cast failure"); goto got_exception; } else { PUSH_REF(gc_obj); } } else { bool castable = false; if (heap_type >= 0) { WASMModule *wasm_module = module->module; castable = wasm_obj_is_instance_of( gc_obj, (uint32)heap_type, wasm_module->types, wasm_module->type_count); } else { castable = wasm_obj_is_type_of(gc_obj, heap_type); } if (opcode == WASM_OP_REF_TEST || opcode == WASM_OP_REF_TEST_NULLABLE) { if (castable) PUSH_I32(1); else PUSH_I32(0); } else if (!castable) { wasm_set_exception(module, "cast failure"); goto got_exception; } else { PUSH_REF(gc_obj); } } HANDLE_OP_END(); } case WASM_OP_BR_ON_CAST: case WASM_OP_BR_ON_CAST_FAIL: { int32 heap_type, heap_type_dst; uint8 castflags; uint16 opnd_off_br; #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif castflags = *frame_ip++; heap_type = (int32)read_uint32(frame_ip); heap_type_dst = (int32)read_uint32(frame_ip); opnd_off = GET_OFFSET(); opnd_off_br = GET_OFFSET(); gc_obj = GET_REF_FROM_ADDR(frame_lp + opnd_off); PUT_REF_TO_ADDR(frame_lp + opnd_off_br, gc_obj); if (!gc_obj) { /* * castflags should be 0~3: * 0: (non-null, non-null) * 1: (null, non-null) * 2: (non-null, null) * 3: (null, null) */ if ( /* op is BR_ON_CAST and dst reftype is nullable */ ((opcode == WASM_OP_BR_ON_CAST) && ((castflags == 2) || (castflags == 3))) /* op is BR_ON_CAST_FAIL and dst reftype is non-nullable */ || ((opcode == WASM_OP_BR_ON_CAST_FAIL) && ((castflags == 0) || (castflags == 1)))) { CLEAR_FRAME_REF(opnd_off); if (!wasm_is_reftype_i31ref(heap_type)) { SET_FRAME_REF(opnd_off_br); } goto recover_br_info; } } else { bool castable = false; if (heap_type_dst >= 0) { WASMModule *wasm_module = module->module; castable = wasm_obj_is_instance_of( gc_obj, (uint32)heap_type_dst, wasm_module->types, wasm_module->type_count); } else { castable = wasm_obj_is_type_of(gc_obj, heap_type_dst); } if ((castable && (opcode == WASM_OP_BR_ON_CAST)) || (!castable && (opcode == WASM_OP_BR_ON_CAST_FAIL))) { CLEAR_FRAME_REF(opnd_off); if (!wasm_is_reftype_i31ref(heap_type)) { SET_FRAME_REF(opnd_off_br); } goto recover_br_info; } } SKIP_BR_INFO(); (void)heap_type_dst; HANDLE_OP_END(); } case WASM_OP_ANY_CONVERT_EXTERN: { externref_obj = POP_REF(); if (externref_obj == NULL_REF) PUSH_REF(NULL_REF); else { gc_obj = wasm_externref_obj_to_internal_obj( externref_obj); PUSH_REF(gc_obj); } HANDLE_OP_END(); } case WASM_OP_EXTERN_CONVERT_ANY: { gc_obj = POP_REF(); if (gc_obj == NULL_REF) PUSH_REF(NULL_REF); else { if (!(externref_obj = wasm_internal_obj_to_externref_obj( exec_env, gc_obj))) { wasm_set_exception( module, "create externref object failed"); goto got_exception; } PUSH_REF(externref_obj); } HANDLE_OP_END(); } #if WASM_ENABLE_STRINGREF != 0 case WASM_OP_STRING_NEW_UTF8: case WASM_OP_STRING_NEW_WTF16: case WASM_OP_STRING_NEW_LOSSY_UTF8: case WASM_OP_STRING_NEW_WTF8: { uint32 mem_idx, addr, bytes_length, offset = 0; EncodingFlag flag = WTF8; mem_idx = (uint32)read_uint32(frame_ip); bytes_length = POP_I32(); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(bytes_length); if (opcode == WASM_OP_STRING_NEW_WTF16) { flag = WTF16; } else if (opcode == WASM_OP_STRING_NEW_UTF8) { flag = UTF8; } else if (opcode == WASM_OP_STRING_NEW_LOSSY_UTF8) { flag = LOSSY_UTF8; } else if (opcode == WASM_OP_STRING_NEW_WTF8) { flag = WTF8; } str_obj = wasm_string_new_with_encoding( maddr, bytes_length, flag); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); (void)mem_idx; HANDLE_OP_END(); } case WASM_OP_STRING_CONST: { WASMModule *wasm_module = module->module; uint32 contents; contents = (uint32)read_uint32(frame_ip); str_obj = wasm_string_new_const( (const char *) wasm_module->string_literal_ptrs[contents], wasm_module->string_literal_lengths[contents]); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!str_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_MEASURE_UTF8: case WASM_OP_STRING_MEASURE_WTF8: case WASM_OP_STRING_MEASURE_WTF16: { int32 target_bytes_length; EncodingFlag flag = WTF8; stringref_obj = POP_REF(); if (opcode == WASM_OP_STRING_MEASURE_WTF16) { flag = WTF16; } else if (opcode == WASM_OP_STRING_MEASURE_UTF8) { flag = UTF8; } else if (opcode == WASM_OP_STRING_MEASURE_WTF8) { flag = LOSSY_UTF8; } target_bytes_length = wasm_string_measure( (WASMString)wasm_stringref_obj_get_value( stringref_obj), flag); PUSH_I32(target_bytes_length); HANDLE_OP_END(); } case WASM_OP_STRING_ENCODE_UTF8: case WASM_OP_STRING_ENCODE_WTF16: case WASM_OP_STRING_ENCODE_LOSSY_UTF8: case WASM_OP_STRING_ENCODE_WTF8: { uint32 mem_idx, addr; int32 target_bytes_length; WASMMemoryInstance *memory_inst; EncodingFlag flag = WTF8; mem_idx = (uint32)read_uint32(frame_ip); addr = POP_I32(); stringref_obj = POP_REF(); str_obj = (WASMString)wasm_stringref_obj_get_value( stringref_obj); memory_inst = module->memories[mem_idx]; maddr = memory_inst->memory_data + addr; if (opcode == WASM_OP_STRING_ENCODE_WTF16) { flag = WTF16; count = wasm_string_measure(str_obj, flag); target_bytes_length = wasm_string_encode( str_obj, 0, count, maddr, NULL, flag); } else { if (opcode == WASM_OP_STRING_ENCODE_UTF8) { flag = UTF8; } else if (opcode == WASM_OP_STRING_ENCODE_LOSSY_UTF8) { flag = LOSSY_UTF8; } else if (opcode == WASM_OP_STRING_ENCODE_WTF8) { flag = WTF8; } count = wasm_string_measure(str_obj, flag); target_bytes_length = wasm_string_encode( str_obj, 0, count, maddr, NULL, flag); if (target_bytes_length == -1) { wasm_set_exception( module, "isolated surrogate is seen"); goto got_exception; } } if (target_bytes_length < 0) { wasm_set_exception(module, "stringref encode failed"); goto got_exception; } PUSH_I32(target_bytes_length); HANDLE_OP_END(); } case WASM_OP_STRING_CONCAT: { WASMStringrefObjectRef stringref_obj1, stringref_obj2; stringref_obj2 = POP_REF(); stringref_obj1 = POP_REF(); str_obj = wasm_string_concat( (WASMString)wasm_stringref_obj_get_value( stringref_obj1), (WASMString)wasm_stringref_obj_get_value( stringref_obj2)); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_EQ: { WASMStringrefObjectRef stringref_obj1, stringref_obj2; int32 is_eq; stringref_obj2 = POP_REF(); stringref_obj1 = POP_REF(); is_eq = wasm_string_eq( (WASMString)wasm_stringref_obj_get_value( stringref_obj1), (WASMString)wasm_stringref_obj_get_value( stringref_obj2)); PUSH_I32(is_eq); HANDLE_OP_END(); } case WASM_OP_STRING_IS_USV_SEQUENCE: { int32 is_usv_sequence; stringref_obj = POP_REF(); is_usv_sequence = wasm_string_is_usv_sequence( (WASMString)wasm_stringref_obj_get_value( stringref_obj)); PUSH_I32(is_usv_sequence); HANDLE_OP_END(); } case WASM_OP_STRING_AS_WTF8: { stringref_obj = POP_REF(); str_obj = wasm_string_create_view( (WASMString)wasm_stringref_obj_get_value( stringref_obj), STRING_VIEW_WTF8); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringview_wtf8_obj = wasm_stringview_wtf8_obj_new(exec_env, str_obj); if (!stringview_wtf8_obj) { wasm_set_exception(module, "create stringview wtf8 failed"); goto got_exception; } PUSH_REF(stringview_wtf8_obj); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF8_ADVANCE: { uint32 next_pos, bytes, pos; bytes = POP_I32(); pos = POP_I32(); stringview_wtf8_obj = POP_REF(); next_pos = wasm_string_advance( (WASMString)wasm_stringview_wtf8_obj_get_value( stringview_wtf8_obj), pos, bytes, NULL); PUSH_I32(next_pos); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF8_ENCODE_UTF8: case WASM_OP_STRINGVIEW_WTF8_ENCODE_LOSSY_UTF8: case WASM_OP_STRINGVIEW_WTF8_ENCODE_WTF8: { uint32 mem_idx, addr, pos, bytes, next_pos; int32 bytes_written; WASMMemoryInstance *memory_inst; EncodingFlag flag = WTF8; if (opcode == WASM_OP_STRINGVIEW_WTF8_ENCODE_UTF8) { flag = UTF8; } else if (opcode == WASM_OP_STRINGVIEW_WTF8_ENCODE_LOSSY_UTF8) { flag = LOSSY_UTF8; } else if (opcode == WASM_OP_STRINGVIEW_WTF8_ENCODE_WTF8) { flag = WTF8; } mem_idx = (uint32)read_uint32(frame_ip); bytes = POP_I32(); pos = POP_I32(); addr = POP_I32(); stringview_wtf8_obj = POP_REF(); memory_inst = module->memories[mem_idx]; maddr = memory_inst->memory_data + addr; bytes_written = wasm_string_encode( (WASMString)wasm_stringview_wtf8_obj_get_value( stringview_wtf8_obj), pos, bytes, maddr, &next_pos, flag); if (bytes_written < 0) { if (bytes_written == Isolated_Surrogate) { wasm_set_exception( module, "isolated surrogate is seen"); } else { wasm_set_exception(module, "encode failed"); } goto got_exception; } PUSH_I32(next_pos); PUSH_I32(bytes_written); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF8_SLICE: { uint32 start, end; end = POP_I32(); start = POP_I32(); stringview_wtf8_obj = POP_REF(); str_obj = wasm_string_slice( (WASMString)wasm_stringview_wtf8_obj_get_value( stringview_wtf8_obj), start, end, STRING_VIEW_WTF8); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_AS_WTF16: { stringref_obj = POP_REF(); str_obj = wasm_string_create_view( (WASMString)wasm_stringref_obj_get_value( stringref_obj), STRING_VIEW_WTF16); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringview_wtf16_obj = wasm_stringview_wtf16_obj_new(exec_env, str_obj); if (!stringview_wtf16_obj) { wasm_set_exception( module, "create stringview wtf16 failed"); goto got_exception; } PUSH_REF(stringview_wtf16_obj); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF16_LENGTH: { int32 code_units_length; stringview_wtf16_obj = POP_REF(); code_units_length = wasm_string_wtf16_get_length( (WASMString)wasm_stringview_wtf16_obj_get_value( stringview_wtf16_obj)); PUSH_I32(code_units_length); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF16_GET_CODEUNIT: { int32 pos; uint32 code_unit; pos = POP_I32(); stringview_wtf16_obj = POP_REF(); code_unit = (uint32)wasm_string_get_wtf16_codeunit( (WASMString)wasm_stringview_wtf16_obj_get_value( stringview_wtf16_obj), pos); PUSH_I32(code_unit); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF16_ENCODE: { uint32 mem_idx, addr, pos, len, offset = 0; int32 written_code_units = 0; mem_idx = (uint32)read_uint32(frame_ip); len = POP_I32(); pos = POP_I32(); addr = POP_I32(); stringview_wtf16_obj = POP_REF(); CHECK_MEMORY_OVERFLOW(len * sizeof(uint16)); /* check 2-byte alignment */ if (((uintptr_t)maddr & (((uintptr_t)1 << 2) - 1)) != 0) { wasm_set_exception(module, "unaligned memory access"); goto got_exception; } written_code_units = wasm_string_encode( (WASMString)wasm_stringview_wtf16_obj_get_value( stringview_wtf16_obj), pos, len, maddr, NULL, WTF16); PUSH_I32(written_code_units); (void)mem_idx; HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_WTF16_SLICE: { uint32 start, end; end = POP_I32(); start = POP_I32(); stringview_wtf16_obj = POP_REF(); str_obj = wasm_string_slice( (WASMString)wasm_stringview_wtf16_obj_get_value( stringview_wtf16_obj), start, end, STRING_VIEW_WTF16); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_AS_ITER: { stringref_obj = POP_REF(); str_obj = wasm_string_create_view( (WASMString)wasm_stringref_obj_get_value( stringref_obj), STRING_VIEW_ITER); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringview_iter_obj = wasm_stringview_iter_obj_new(exec_env, str_obj, 0); if (!stringview_iter_obj) { wasm_set_exception(module, "create stringview iter failed"); goto got_exception; } PUSH_REF(stringview_iter_obj); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_ITER_NEXT: { uint32 code_point; stringview_iter_obj = POP_REF(); code_point = wasm_string_next_codepoint( (WASMString)wasm_stringview_iter_obj_get_value( stringview_iter_obj), wasm_stringview_iter_obj_get_pos( stringview_iter_obj)); PUSH_I32(code_point); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_ITER_ADVANCE: case WASM_OP_STRINGVIEW_ITER_REWIND: { uint32 code_points_count, code_points_consumed = 0, cur_pos, next_pos = 0; code_points_count = POP_I32(); stringview_iter_obj = POP_REF(); str_obj = (WASMString)wasm_stringview_iter_obj_get_value( stringview_iter_obj); cur_pos = wasm_stringview_iter_obj_get_pos( stringview_iter_obj); if (opcode == WASM_OP_STRINGVIEW_ITER_ADVANCE) { next_pos = wasm_string_advance( str_obj, cur_pos, code_points_count, &code_points_consumed); } else if (opcode == WASM_OP_STRINGVIEW_ITER_REWIND) { next_pos = wasm_string_rewind( str_obj, cur_pos, code_points_count, &code_points_consumed); } wasm_stringview_iter_obj_update_pos(stringview_iter_obj, next_pos); PUSH_I32(code_points_consumed); HANDLE_OP_END(); } case WASM_OP_STRINGVIEW_ITER_SLICE: { uint32 code_points_count, cur_pos; code_points_count = POP_I32(); stringview_iter_obj = POP_REF(); cur_pos = wasm_stringview_iter_obj_get_pos( stringview_iter_obj); str_obj = wasm_string_slice( (WASMString)wasm_stringview_iter_obj_get_value( stringview_iter_obj), cur_pos, cur_pos + code_points_count, STRING_VIEW_ITER); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_NEW_UTF8_ARRAY: case WASM_OP_STRING_NEW_WTF16_ARRAY: case WASM_OP_STRING_NEW_LOSSY_UTF8_ARRAY: case WASM_OP_STRING_NEW_WTF8_ARRAY: { uint32 start, end, array_len; EncodingFlag flag = WTF8; WASMArrayType *array_type; void *arr_start_addr; end = POP_I32(); start = POP_I32(); array_obj = POP_REF(); array_type = (WASMArrayType *)wasm_obj_get_defined_type( (WASMObjectRef)array_obj); arr_start_addr = wasm_array_obj_elem_addr(array_obj, start); array_len = wasm_array_obj_length(array_obj); if (start > end || end > array_len) { wasm_set_exception(module, "out of bounds array access"); goto got_exception; } if (opcode == WASM_OP_STRING_NEW_WTF16_ARRAY) { if (array_type->elem_type != VALUE_TYPE_I16) { wasm_set_exception(module, "array type mismatch"); goto got_exception; } flag = WTF16; } else { if (array_type->elem_type != VALUE_TYPE_I8) { wasm_set_exception(module, "array type mismatch"); goto got_exception; } if (opcode == WASM_OP_STRING_NEW_UTF8_ARRAY) { flag = UTF8; } else if (opcode == WASM_OP_STRING_NEW_WTF8_ARRAY) { flag = WTF8; } else if (opcode == WASM_OP_STRING_NEW_LOSSY_UTF8_ARRAY) { flag = LOSSY_UTF8; } } str_obj = wasm_string_new_with_encoding( arr_start_addr, (end - start), flag); if (!str_obj) { wasm_set_exception(module, "create string object failed"); goto got_exception; } SYNC_ALL_TO_FRAME(); stringref_obj = wasm_stringref_obj_new(exec_env, str_obj); if (!stringref_obj) { wasm_set_exception(module, "create stringref failed"); goto got_exception; } PUSH_REF(stringref_obj); HANDLE_OP_END(); } case WASM_OP_STRING_ENCODE_UTF8_ARRAY: case WASM_OP_STRING_ENCODE_WTF16_ARRAY: case WASM_OP_STRING_ENCODE_LOSSY_UTF8_ARRAY: case WASM_OP_STRING_ENCODE_WTF8_ARRAY: { uint32 start, array_len, count; int32 bytes_written; EncodingFlag flag = WTF8; WASMArrayType *array_type; void *arr_start_addr; start = POP_I32(); array_obj = POP_REF(); stringref_obj = POP_REF(); str_obj = (WASMString)wasm_stringref_obj_get_value( stringref_obj); array_type = (WASMArrayType *)wasm_obj_get_defined_type( (WASMObjectRef)array_obj); arr_start_addr = wasm_array_obj_elem_addr(array_obj, start); array_len = wasm_array_obj_length(array_obj); if (start > array_len) { wasm_set_exception(module, "out of bounds array access"); goto got_exception; } if (opcode == WASM_OP_STRING_ENCODE_WTF16_ARRAY) { if (array_type->elem_type != VALUE_TYPE_I16) { wasm_set_exception(module, "array type mismatch"); goto got_exception; } flag = WTF16; } else { if (array_type->elem_type != VALUE_TYPE_I8) { wasm_set_exception(module, "array type mismatch"); goto got_exception; } if (opcode == WASM_OP_STRING_ENCODE_UTF8_ARRAY) { flag = UTF8; } else if (opcode == WASM_OP_STRING_ENCODE_WTF8_ARRAY) { flag = WTF8; } else if ( opcode == WASM_OP_STRING_ENCODE_LOSSY_UTF8_ARRAY) { flag = LOSSY_UTF8; } } count = wasm_string_measure(str_obj, flag); bytes_written = wasm_string_encode( str_obj, 0, count, arr_start_addr, NULL, flag); if (bytes_written < 0) { if (bytes_written == Isolated_Surrogate) { wasm_set_exception( module, "isolated surrogate is seen"); } else if (bytes_written == Insufficient_Space) { wasm_set_exception( module, "array space is insufficient"); } else { wasm_set_exception(module, "encode failed"); } goto got_exception; } PUSH_I32(bytes_written); HANDLE_OP_END(); } #endif /* end of WASM_ENABLE_STRINGREF != 0 */ default: { wasm_set_exception(module, "unsupported opcode"); goto got_exception; } } } #endif /* end of WASM_ENABLE_GC != 0 */ /* variable instructions */ HANDLE_OP(EXT_OP_SET_LOCAL_FAST) HANDLE_OP(EXT_OP_TEE_LOCAL_FAST) { /* clang-format off */ #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 local_offset = *frame_ip++; #else local_offset = *frame_ip; frame_ip += 2; #endif /* clang-format on */ *(uint32 *)(frame_lp + local_offset) = GET_OPERAND(uint32, I32, 0); frame_ip += 2; HANDLE_OP_END(); } HANDLE_OP(EXT_OP_SET_LOCAL_FAST_I64) HANDLE_OP(EXT_OP_TEE_LOCAL_FAST_I64) { /* clang-format off */ #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0 local_offset = *frame_ip++; #else local_offset = *frame_ip; frame_ip += 2; #endif /* clang-format on */ PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset), GET_OPERAND(uint64, I64, 0)); frame_ip += 2; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_GET_GLOBAL) { global_idx = read_uint32(frame_ip); bh_assert(global_idx < module->e->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); addr_ret = GET_OFFSET(); /* clang-format off */ #if WASM_ENABLE_GC == 0 frame_lp[addr_ret] = *(uint32 *)global_addr; #else if (!wasm_is_type_reftype(global->type)) frame_lp[addr_ret] = *(uint32 *)global_addr; else { PUT_REF_TO_ADDR(frame_lp + addr_ret, GET_REF_FROM_ADDR((uint32 *)global_addr)); if (!wasm_is_reftype_i31ref(global->type)) { SET_FRAME_REF(addr_ret); } } #endif /* clang-format on */ HANDLE_OP_END(); } HANDLE_OP(WASM_OP_GET_GLOBAL_64) { global_idx = read_uint32(frame_ip); bh_assert(global_idx < module->e->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); addr_ret = GET_OFFSET(); PUT_I64_TO_ADDR(frame_lp + addr_ret, GET_I64_FROM_ADDR((uint32 *)global_addr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL) { global_idx = read_uint32(frame_ip); bh_assert(global_idx < module->e->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); addr1 = GET_OFFSET(); /* clang-format off */ #if WASM_ENABLE_GC == 0 *(int32 *)global_addr = frame_lp[addr1]; #else if (!wasm_is_type_reftype(global->type)) *(int32 *)global_addr = frame_lp[addr1]; else { PUT_REF_TO_ADDR((uint32 *)global_addr, GET_REF_FROM_ADDR(frame_lp + addr1)); CLEAR_FRAME_REF(addr1); } #endif /* clang-format on */ HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL_AUX_STACK) { uint64 aux_stack_top; global_idx = read_uint32(frame_ip); bh_assert(global_idx < module->e->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); /* TODO: Memory64 the data type depends on mem idx type */ aux_stack_top = (uint64)frame_lp[GET_OFFSET()]; if (aux_stack_top <= (uint64)exec_env->aux_stack_boundary) { wasm_set_exception(module, "wasm auxiliary stack overflow"); goto got_exception; } if (aux_stack_top > (uint64)exec_env->aux_stack_bottom) { wasm_set_exception(module, "wasm auxiliary stack underflow"); goto got_exception; } *(int32 *)global_addr = (uint32)aux_stack_top; #if WASM_ENABLE_MEMORY_PROFILING != 0 if (module->module->aux_stack_top_global_index != (uint32)-1) { uint32 aux_stack_used = (uint32)(module->module->aux_stack_bottom - *(uint32 *)global_addr); if (aux_stack_used > module->e->max_aux_stack_used) module->e->max_aux_stack_used = aux_stack_used; } #endif HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_GLOBAL_64) { global_idx = read_uint32(frame_ip); bh_assert(global_idx < module->e->global_count); global = globals + global_idx; global_addr = get_global_addr(global_data, global); addr1 = GET_OFFSET(); PUT_I64_TO_ADDR((uint32 *)global_addr, GET_I64_FROM_ADDR(frame_lp + addr1)); HANDLE_OP_END(); } /* memory load instructions */ HANDLE_OP(WASM_OP_I32_LOAD) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(4); frame_lp[addr_ret] = LOAD_I32(maddr); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(8); PUT_I64_TO_ADDR(frame_lp + addr_ret, LOAD_I64(maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD8_S) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(1); frame_lp[addr_ret] = sign_ext_8_32(*(int8 *)maddr); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD8_U) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(1); frame_lp[addr_ret] = (uint32)(*(uint8 *)(maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD16_S) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(2); frame_lp[addr_ret] = sign_ext_16_32(LOAD_I16(maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_LOAD16_U) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(2); frame_lp[addr_ret] = (uint32)(LOAD_U16(maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD8_S) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(1); PUT_I64_TO_ADDR(frame_lp + addr_ret, sign_ext_8_64(*(int8 *)maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD8_U) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(1); PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(*(uint8 *)maddr)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD16_S) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(2); PUT_I64_TO_ADDR(frame_lp + addr_ret, sign_ext_16_64(LOAD_I16(maddr))); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD16_U) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(2); PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(LOAD_U16(maddr))); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD32_S) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(4); PUT_I64_TO_ADDR(frame_lp + addr_ret, sign_ext_32_64(LOAD_I32(maddr))); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_LOAD32_U) { uint32 offset, addr; offset = read_uint32(frame_ip); addr = GET_OPERAND(uint32, I32, 0); frame_ip += 2; addr_ret = GET_OFFSET(); CHECK_MEMORY_OVERFLOW(4); PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(LOAD_U32(maddr))); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_STORE) { uint32 offset, addr; uint32 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint32, I32, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(4); STORE_U32(maddr, sval); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_STORE8) { uint32 offset, addr; uint32 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint32, I32, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(1); STORE_U8(maddr, (uint8_t)sval); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_STORE16) { uint32 offset, addr; uint32 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint32, I32, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(2); STORE_U16(maddr, (uint16)sval); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE) { uint32 offset, addr; uint64 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint64, I64, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(8); STORE_I64(maddr, sval); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE8) { uint32 offset, addr; uint64 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint64, I64, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(1); *(uint8 *)maddr = (uint8)sval; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE16) { uint32 offset, addr; uint64 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint64, I64, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(2); STORE_U16(maddr, (uint16)sval); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_STORE32) { uint32 offset, addr; uint64 sval; offset = read_uint32(frame_ip); sval = GET_OPERAND(uint64, I64, 0); addr = GET_OPERAND(uint32, I32, 2); frame_ip += 4; CHECK_MEMORY_OVERFLOW(4); STORE_U32(maddr, (uint32)sval); HANDLE_OP_END(); } /* memory size and memory grow instructions */ HANDLE_OP(WASM_OP_MEMORY_SIZE) { uint32 reserved; addr_ret = GET_OFFSET(); frame_lp[addr_ret] = 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; addr1 = GET_OFFSET(); addr_ret = GET_OFFSET(); delta = (uint32)frame_lp[addr1]; if (!wasm_enlarge_memory(module, delta)) { /* failed to memory.grow, return -1 */ frame_lp[addr_ret] = -1; } else { /* success, return previous page count */ frame_lp[addr_ret] = prev_page_count; /* update memory size, no need to update memory ptr as it isn't changed in wasm_enlarge_memory */ #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \ || WASM_ENABLE_BULK_MEMORY != 0 linear_mem_size = GET_LINEAR_MEMORY_SIZE(memory); #endif } (void)reserved; HANDLE_OP_END(); } /* constant instructions */ HANDLE_OP(WASM_OP_F64_CONST) HANDLE_OP(WASM_OP_I64_CONST) { uint8 *orig_ip = frame_ip; frame_ip += sizeof(uint64); addr_ret = GET_OFFSET(); bh_memcpy_s(frame_lp + addr_ret, sizeof(uint64), orig_ip, sizeof(uint64)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CONST) HANDLE_OP(WASM_OP_I32_CONST) { uint8 *orig_ip = frame_ip; frame_ip += sizeof(uint32); addr_ret = GET_OFFSET(); bh_memcpy_s(frame_lp + addr_ret, sizeof(uint32), orig_ip, sizeof(uint32)); HANDLE_OP_END(); } /* comparison instructions of i32 */ HANDLE_OP(WASM_OP_I32_EQZ) { DEF_OP_EQZ(int32, 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(int64, 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 = frame_lp[GET_OFFSET()]; a = frame_lp[GET_OFFSET()]; addr_ret = GET_OFFSET(); 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; } frame_lp[addr_ret] = (a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_DIV_U) { uint32 a, b; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); b = (uint32)frame_lp[addr1]; a = (uint32)frame_lp[addr2]; if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } frame_lp[addr_ret] = (a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_REM_S) { int32 a, b; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); b = frame_lp[addr1]; a = frame_lp[addr2]; if (a == (int32)0x80000000 && b == -1) { frame_lp[addr_ret] = 0; HANDLE_OP_END(); } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } frame_lp[addr_ret] = (a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_REM_U) { uint32 a, b; addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); addr_ret = GET_OFFSET(); b = (uint32)frame_lp[addr1]; a = (uint32)frame_lp[addr2]; if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } frame_lp[addr_ret] = (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)frame_lp[GET_OFFSET()]; a = (uint32)frame_lp[GET_OFFSET()]; frame_lp[GET_OFFSET()] = rotl32(a, b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_ROTR) { uint32 a, b; b = (uint32)frame_lp[GET_OFFSET()]; a = (uint32)frame_lp[GET_OFFSET()]; frame_lp[GET_OFFSET()] = 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 = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); 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; } PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_DIV_U) { uint64 a, b; b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a / b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_REM_S) { int64 a, b; b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); if (a == (int64)0x8000000000000000LL && b == -1) { *(int64 *)(frame_lp + GET_OFFSET()) = 0; HANDLE_OP_END(); } if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a % b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_REM_U) { uint64 a, b; b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); if (b == 0) { wasm_set_exception(module, "integer divide by zero"); goto got_exception; } PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), 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 = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), rotl64(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_ROTR) { uint64 a, b; b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()); PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), rotr64(a, b)); HANDLE_OP_END(); } /* numberic instructions of f32 */ HANDLE_OP(WASM_OP_F32_ABS) { DEF_OP_MATH(float32, F32, fabsf); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_NEG) { uint32 u32 = frame_lp[GET_OFFSET()]; uint32 sign_bit = u32 & ((uint32)1 << 31); addr_ret = GET_OFFSET(); if (sign_bit) frame_lp[addr_ret] = u32 & ~((uint32)1 << 31); else frame_lp[addr_ret] = u32 | ((uint32)1 << 31); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_CEIL) { DEF_OP_MATH(float32, F32, ceilf); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_FLOOR) { DEF_OP_MATH(float32, F32, floorf); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_TRUNC) { DEF_OP_MATH(float32, F32, truncf); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_NEAREST) { DEF_OP_MATH(float32, F32, rintf); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_SQRT) { DEF_OP_MATH(float32, F32, sqrtf); 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 = *(float32 *)(frame_lp + GET_OFFSET()); a = *(float32 *)(frame_lp + GET_OFFSET()); *(float32 *)(frame_lp + GET_OFFSET()) = f32_min(a, b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_MAX) { float32 a, b; b = *(float32 *)(frame_lp + GET_OFFSET()); a = *(float32 *)(frame_lp + GET_OFFSET()); *(float32 *)(frame_lp + GET_OFFSET()) = f32_max(a, b); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F32_COPYSIGN) { float32 a, b; b = *(float32 *)(frame_lp + GET_OFFSET()); a = *(float32 *)(frame_lp + GET_OFFSET()); *(float32 *)(frame_lp + GET_OFFSET()) = local_copysignf(a, b); 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_lp + GET_OFFSET()); uint64 sign_bit = u64 & (((uint64)1) << 63); if (sign_bit) PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), (u64 & ~(((uint64)1) << 63))); else PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), (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(); PUSH_F64(f64_min(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_MAX) { float64 a, b; b = POP_F64(); a = POP_F64(); PUSH_F64(f64_max(a, b)); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_F64_COPYSIGN) { float64 a, b; b = POP_F64(); a = POP_F64(); PUSH_F64(local_copysign(a, b)); 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); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I32_TRUNC_U_F64) { DEF_OP_TRUNC_F64(-1.0, 4294967296.0, true, false); 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); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_TRUNC_U_F32) { DEF_OP_TRUNC_F32(-1.0f, 18446744073709551616.0f, false, false); 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_F32_REINTERPRET_I32) { DEF_OP_REINTERPRET(uint32, I32); HANDLE_OP_END(); } HANDLE_OP(WASM_OP_I64_REINTERPRET_F64) HANDLE_OP(WASM_OP_F64_REINTERPRET_I64) { DEF_OP_REINTERPRET(int64, I64); HANDLE_OP_END(); } HANDLE_OP(EXT_OP_COPY_STACK_TOP) { addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); frame_lp[addr2] = frame_lp[addr1]; #if WASM_ENABLE_GC != 0 /* Ignore constants because they are not reference */ if (addr1 >= 0) { if (*FRAME_REF(addr1)) { CLEAR_FRAME_REF(addr1); SET_FRAME_REF(addr2); } } #endif HANDLE_OP_END(); } HANDLE_OP(EXT_OP_COPY_STACK_TOP_I64) { addr1 = GET_OFFSET(); addr2 = GET_OFFSET(); PUT_I64_TO_ADDR(frame_lp + addr2, GET_I64_FROM_ADDR(frame_lp + addr1)); #if WASM_ENABLE_GC != 0 /* Ignore constants because they are not reference */ if (addr1 >= 0) { if (*FRAME_REF(addr1)) { CLEAR_FRAME_REF(addr1); SET_FRAME_REF(addr2); } } #endif HANDLE_OP_END(); } HANDLE_OP(EXT_OP_COPY_STACK_VALUES) { uint32 values_count, total_cell; uint8 *cells; int16 *src_offsets = NULL; uint16 *dst_offsets = NULL; /* read values_count */ values_count = read_uint32(frame_ip); /* read total cell num */ total_cell = read_uint32(frame_ip); /* cells */ cells = (uint8 *)frame_ip; frame_ip += values_count * CELL_SIZE; /* src offsets */ src_offsets = (int16 *)frame_ip; frame_ip += values_count * sizeof(int16); /* dst offsets */ dst_offsets = (uint16 *)frame_ip; frame_ip += values_count * sizeof(uint16); if (!copy_stack_values(module, frame_lp, values_count, #if WASM_ENABLE_GC != 0 frame_ref, #endif total_cell, cells, src_offsets, dst_offsets)) goto got_exception; HANDLE_OP_END(); } HANDLE_OP(WASM_OP_SET_LOCAL) { opcode = WASM_OP_SET_LOCAL; goto handle_op_set_tee_local; } HANDLE_OP(WASM_OP_TEE_LOCAL) { opcode = WASM_OP_TEE_LOCAL; handle_op_set_tee_local: GET_LOCAL_INDEX_TYPE_AND_OFFSET(); addr1 = GET_OFFSET(); if (local_type == VALUE_TYPE_I32 || local_type == VALUE_TYPE_F32 #if WASM_ENABLE_REF_TYPES != 0 && WASM_ENABLE_GC == 0 || local_type == VALUE_TYPE_FUNCREF || local_type == VALUE_TYPE_EXTERNREF #endif ) { *(int32 *)(frame_lp + local_offset) = frame_lp[addr1]; } else if (local_type == VALUE_TYPE_I64 || local_type == VALUE_TYPE_F64) { PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset), GET_I64_FROM_ADDR(frame_lp + addr1)); } #if WASM_ENABLE_GC != 0 else if (wasm_is_type_reftype(local_type)) { PUT_REF_TO_ADDR((uint32 *)(frame_lp + local_offset), GET_REF_FROM_ADDR(frame_lp + addr1)); if (opcode == WASM_OP_SET_LOCAL) { CLEAR_FRAME_REF(addr1); } } #endif else { wasm_set_exception(module, "invalid local type"); goto got_exception; } 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) { GET_OPCODE(); 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); break; case WASM_OP_I32_TRUNC_SAT_U_F64: DEF_OP_TRUNC_SAT_F64(-1.0, 4294967296.0, true, false); break; case WASM_OP_I64_TRUNC_SAT_S_F32: DEF_OP_TRUNC_SAT_F32(-9223373136366403584.0f, 9223372036854775808.0f, false, true); break; case WASM_OP_I64_TRUNC_SAT_U_F32: DEF_OP_TRUNC_SAT_F32(-1.0f, 18446744073709551616.0f, false, false); 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(-1.0, 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; segment = read_uint32(frame_ip); bytes = (uint64)(uint32)POP_I32(); offset = (uint64)(uint32)POP_I32(); addr = POP_I32(); #if WASM_ENABLE_THREAD_MGR != 0 linear_mem_size = get_linear_mem_size(); #endif #ifndef OS_ENABLE_HW_BOUND_CHECK CHECK_BULK_MEMORY_OVERFLOW(addr, bytes, maddr); #else if ((uint64)(uint32)addr + bytes > linear_mem_size) goto out_of_bounds; maddr = memory->memory_data + (uint32)addr; #endif if (bh_bitmap_get_bit(module->e->common.data_dropped, segment)) { seg_len = 0; data = NULL; } else { 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, (uint32)(linear_mem_size - addr), data + offset, (uint32)bytes); break; } case WASM_OP_DATA_DROP: { uint32 segment; segment = read_uint32(frame_ip); bh_bitmap_set_bit(module->e->common.data_dropped, segment); break; } case WASM_OP_MEMORY_COPY: { uint32 dst, src, len; uint8 *mdst, *msrc; len = POP_I32(); src = POP_I32(); dst = POP_I32(); #if WASM_ENABLE_THREAD_MGR != 0 linear_mem_size = get_linear_mem_size(); #endif #ifndef OS_ENABLE_HW_BOUND_CHECK CHECK_BULK_MEMORY_OVERFLOW(src, len, msrc); CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst); #else if ((uint64)(uint32)src + len > linear_mem_size) goto out_of_bounds; msrc = memory->memory_data + (uint32)src; if ((uint64)(uint32)dst + len > linear_mem_size) goto out_of_bounds; mdst = memory->memory_data + (uint32)dst; #endif /* allowing the destination and source to overlap */ bh_memmove_s(mdst, (uint32)(linear_mem_size - dst), msrc, len); break; } case WASM_OP_MEMORY_FILL: { uint32 dst, len; uint8 fill_val, *mdst; len = POP_I32(); fill_val = POP_I32(); dst = POP_I32(); #if WASM_ENABLE_THREAD_MGR != 0 linear_mem_size = get_linear_mem_size(); #endif #ifndef OS_ENABLE_HW_BOUND_CHECK CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst); #else if ((uint64)(uint32)dst + len > linear_mem_size) goto out_of_bounds; mdst = memory->memory_data + (uint32)dst; #endif memset(mdst, fill_val, len); break; } #endif /* WASM_ENABLE_BULK_MEMORY */ #if WASM_ENABLE_REF_TYPES != 0 || WASM_ENABLE_GC != 0 case WASM_OP_TABLE_INIT: { uint32 tbl_idx, elem_idx; uint32 n, s, d; WASMTableInstance *tbl_inst; table_elem_type_t *table_elems; InitializerExpression *tbl_seg_init_values = NULL, *init_values; uint64 i; uint32 tbl_seg_len = 0; elem_idx = read_uint32(frame_ip); bh_assert(elem_idx < module->module->table_seg_count); tbl_idx = read_uint32(frame_ip); 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(); if (!bh_bitmap_get_bit(module->e->common.elem_dropped, elem_idx)) { /* table segment isn't dropped */ tbl_seg_init_values = module->module->table_segments[elem_idx] .init_values; tbl_seg_len = module->module->table_segments[elem_idx] .value_count; } if (offset_len_out_of_bounds(s, n, tbl_seg_len) || offset_len_out_of_bounds(d, n, tbl_inst->cur_size)) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } if (!n) { break; } table_elems = tbl_inst->elems + d; init_values = tbl_seg_init_values + s; #if WASM_ENABLE_GC != 0 SYNC_ALL_TO_FRAME(); #endif for (i = 0; i < n; i++) { /* UINT32_MAX indicates that it is a null ref */ bh_assert(init_values[i].init_expr_type == INIT_EXPR_TYPE_REFNULL_CONST || init_values[i].init_expr_type == INIT_EXPR_TYPE_FUNCREF_CONST); #if WASM_ENABLE_GC == 0 table_elems[i] = (table_elem_type_t)init_values[i].u.ref_index; #else if (init_values[i].u.ref_index != UINT32_MAX) { if (!(func_obj = wasm_create_func_obj( module, init_values[i].u.ref_index, true, NULL, 0))) { goto got_exception; } table_elems[i] = func_obj; } else { table_elems[i] = NULL_REF; } #endif } break; } case WASM_OP_ELEM_DROP: { uint32 elem_idx = read_uint32(frame_ip); bh_assert(elem_idx < module->module->table_seg_count); bh_bitmap_set_bit(module->e->common.elem_dropped, elem_idx); break; } case WASM_OP_TABLE_COPY: { uint32 src_tbl_idx, dst_tbl_idx; uint32 n, s, d; WASMTableInstance *src_tbl_inst, *dst_tbl_inst; dst_tbl_idx = read_uint32(frame_ip); bh_assert(dst_tbl_idx < module->table_count); dst_tbl_inst = wasm_get_table_inst(module, dst_tbl_idx); src_tbl_idx = read_uint32(frame_ip); 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 (offset_len_out_of_bounds(d, n, dst_tbl_inst->cur_size) || offset_len_out_of_bounds( 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, elems) + d * sizeof(table_elem_type_t), (uint32)((dst_tbl_inst->cur_size - d) * sizeof(table_elem_type_t)), (uint8 *)src_tbl_inst + offsetof(WASMTableInstance, elems) + s * sizeof(table_elem_type_t), (uint32)(n * sizeof(table_elem_type_t))); break; } case WASM_OP_TABLE_GROW: { uint32 tbl_idx, n, orig_tbl_sz; WASMTableInstance *tbl_inst; table_elem_type_t init_val; tbl_idx = read_uint32(frame_ip); 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(); #if WASM_ENABLE_GC == 0 init_val = POP_I32(); #else init_val = POP_REF(); #endif 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; tbl_idx = read_uint32(frame_ip); 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, i; WASMTableInstance *tbl_inst; table_elem_type_t fill_val; tbl_idx = read_uint32(frame_ip); bh_assert(tbl_idx < module->table_count); tbl_inst = wasm_get_table_inst(module, tbl_idx); n = POP_I32(); #if WASM_ENABLE_GC == 0 fill_val = POP_I32(); #else fill_val = POP_REF(); #endif i = POP_I32(); if (offset_len_out_of_bounds(i, n, tbl_inst->cur_size)) { wasm_set_exception(module, "out of bounds table access"); goto got_exception; } for (; n != 0; i++, n--) { tbl_inst->elems[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 = 0, addr; GET_OPCODE(); if (opcode != WASM_OP_ATOMIC_FENCE) { offset = read_uint32(frame_ip); } switch (opcode) { case WASM_OP_ATOMIC_NOTIFY: { uint32 notify_count, ret; notify_count = POP_I32(); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); ret = wasm_runtime_atomic_notify( (WASMModuleInstanceCommon *)module, maddr, notify_count); if (ret == (uint32)-1) goto got_exception; PUSH_I32(ret); break; } case WASM_OP_ATOMIC_WAIT32: { uint64 timeout; uint32 expect, ret; timeout = POP_I64(); expect = POP_I32(); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); ret = wasm_runtime_atomic_wait( (WASMModuleInstanceCommon *)module, maddr, (uint64)expect, timeout, false); if (ret == (uint32)-1) goto got_exception; #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif PUSH_I32(ret); break; } case WASM_OP_ATOMIC_WAIT64: { uint64 timeout, expect; uint32 ret; timeout = POP_I64(); expect = POP_I64(); addr = POP_I32(); CHECK_MEMORY_OVERFLOW(8); CHECK_ATOMIC_MEMORY_ACCESS(8); ret = wasm_runtime_atomic_wait( (WASMModuleInstanceCommon *)module, maddr, expect, timeout, true); if (ret == (uint32)-1) goto got_exception; #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif PUSH_I32(ret); break; } case WASM_OP_ATOMIC_FENCE: { os_atomic_thread_fence(os_memory_order_seq_cst); 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); shared_memory_lock(memory); readv = (uint32)(*(uint8 *)maddr); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I32_LOAD16_U) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); shared_memory_lock(memory); readv = (uint32)LOAD_U16(maddr); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); shared_memory_lock(memory); readv = LOAD_I32(maddr); shared_memory_unlock(memory); } 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); shared_memory_lock(memory); readv = (uint64)(*(uint8 *)maddr); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I64_LOAD16_U) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); shared_memory_lock(memory); readv = (uint64)LOAD_U16(maddr); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I64_LOAD32_U) { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); shared_memory_lock(memory); readv = (uint64)LOAD_U32(maddr); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(8); CHECK_ATOMIC_MEMORY_ACCESS(8); shared_memory_lock(memory); readv = LOAD_I64(maddr); shared_memory_unlock(memory); } 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); shared_memory_lock(memory); *(uint8 *)maddr = (uint8)sval; shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I32_STORE16) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); shared_memory_lock(memory); STORE_U16(maddr, (uint16)sval); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); shared_memory_lock(memory); STORE_U32(maddr, sval); shared_memory_unlock(memory); } 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); shared_memory_lock(memory); *(uint8 *)maddr = (uint8)sval; shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I64_STORE16) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); shared_memory_lock(memory); STORE_U16(maddr, (uint16)sval); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_I64_STORE32) { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); shared_memory_lock(memory); STORE_U32(maddr, (uint32)sval); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(8); CHECK_ATOMIC_MEMORY_ACCESS(8); shared_memory_lock(memory); STORE_I64(maddr, sval); shared_memory_unlock(memory); } 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); expect = (uint8)expect; shared_memory_lock(memory); readv = (uint32)(*(uint8 *)maddr); if (readv == expect) *(uint8 *)maddr = (uint8)(sval); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); expect = (uint16)expect; shared_memory_lock(memory); readv = (uint32)LOAD_U16(maddr); if (readv == expect) STORE_U16(maddr, (uint16)(sval)); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); shared_memory_lock(memory); readv = LOAD_I32(maddr); if (readv == expect) STORE_U32(maddr, sval); shared_memory_unlock(memory); } 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_MEMORY_OVERFLOW(1); CHECK_ATOMIC_MEMORY_ACCESS(1); expect = (uint8)expect; shared_memory_lock(memory); readv = (uint64)(*(uint8 *)maddr); if (readv == expect) *(uint8 *)maddr = (uint8)(sval); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U) { CHECK_MEMORY_OVERFLOW(2); CHECK_ATOMIC_MEMORY_ACCESS(2); expect = (uint16)expect; shared_memory_lock(memory); readv = (uint64)LOAD_U16(maddr); if (readv == expect) STORE_U16(maddr, (uint16)(sval)); shared_memory_unlock(memory); } else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U) { CHECK_MEMORY_OVERFLOW(4); CHECK_ATOMIC_MEMORY_ACCESS(4); expect = (uint32)expect; shared_memory_lock(memory); readv = (uint64)LOAD_U32(maddr); if (readv == expect) STORE_U32(maddr, (uint32)(sval)); shared_memory_unlock(memory); } else { CHECK_MEMORY_OVERFLOW(8); CHECK_ATOMIC_MEMORY_ACCESS(8); shared_memory_lock(memory); readv = (uint64)LOAD_I64(maddr); if (readv == expect) STORE_I64(maddr, sval); shared_memory_unlock(memory); } 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; #if WASM_ENABLE_TAIL_CALL != 0 || WASM_ENABLE_GC != 0 is_return_call = false; #endif goto call_func_from_entry; } HANDLE_OP(WASM_OP_CALL) { #if WASM_ENABLE_THREAD_MGR != 0 CHECK_SUSPEND_FLAGS(); #endif fidx = read_uint32(frame_ip); #if WASM_ENABLE_MULTI_MODULE != 0 if (fidx >= module->e->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } #endif cur_func = module->e->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 fidx = read_uint32(frame_ip); #if WASM_ENABLE_MULTI_MODULE != 0 if (fidx >= module->e->function_count) { wasm_set_exception(module, "unknown function"); goto got_exception; } #endif cur_func = module->e->functions + fidx; goto call_func_from_return_call; } #endif /* WASM_ENABLE_TAIL_CALL */ #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_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 && WASM_ENABLE_GC == 0 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 #if WASM_ENABLE_GC == 0 /* SELECT_T is converted to SELECT or SELECT_64 */ HANDLE_OP(WASM_OP_SELECT_T) HANDLE_OP(WASM_OP_CALL_REF) HANDLE_OP(WASM_OP_RETURN_CALL_REF) HANDLE_OP(WASM_OP_REF_EQ) HANDLE_OP(WASM_OP_REF_AS_NON_NULL) HANDLE_OP(WASM_OP_BR_ON_NULL) HANDLE_OP(WASM_OP_BR_ON_NON_NULL) HANDLE_OP(WASM_OP_GC_PREFIX) #endif #if WASM_ENABLE_EXCE_HANDLING == 0 /* if exception handling is disabled, these opcodes issue a trap */ HANDLE_OP(WASM_OP_TRY) HANDLE_OP(WASM_OP_CATCH) HANDLE_OP(WASM_OP_THROW) HANDLE_OP(WASM_OP_RETHROW) HANDLE_OP(WASM_OP_DELEGATE) HANDLE_OP(WASM_OP_CATCH_ALL) HANDLE_OP(EXT_OP_TRY) #endif HANDLE_OP(WASM_OP_UNUSED_0x16) HANDLE_OP(WASM_OP_UNUSED_0x17) HANDLE_OP(WASM_OP_UNUSED_0x27) /* optimized op code */ HANDLE_OP(WASM_OP_F32_STORE) HANDLE_OP(WASM_OP_F64_STORE) HANDLE_OP(WASM_OP_F32_LOAD) HANDLE_OP(WASM_OP_F64_LOAD) HANDLE_OP(EXT_OP_GET_LOCAL_FAST) HANDLE_OP(WASM_OP_GET_LOCAL) HANDLE_OP(WASM_OP_DROP) HANDLE_OP(WASM_OP_DROP_64) HANDLE_OP(WASM_OP_BLOCK) HANDLE_OP(WASM_OP_LOOP) HANDLE_OP(WASM_OP_END) HANDLE_OP(WASM_OP_NOP) HANDLE_OP(EXT_OP_BLOCK) HANDLE_OP(EXT_OP_LOOP) HANDLE_OP(EXT_OP_IF) HANDLE_OP(EXT_OP_BR_TABLE_CACHE) { 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 || WASM_ENABLE_GC != 0 call_func_from_return_call: { uint32 *lp_base = NULL, *lp = NULL; int i; if (cur_func->param_cell_num > 0 && !(lp_base = lp = wasm_runtime_malloc(cur_func->param_cell_num * sizeof(uint32)))) { wasm_set_exception(module, "allocate memory failed"); goto got_exception; } for (i = 0; i < cur_func->param_count; i++) { if (cur_func->param_types[i] == VALUE_TYPE_I64 || cur_func->param_types[i] == VALUE_TYPE_F64) { PUT_I64_TO_ADDR( lp, GET_OPERAND(uint64, I64, 2 * (cur_func->param_count - i - 1))); lp += 2; } else { *lp = GET_OPERAND(uint32, I32, (2 * (cur_func->param_count - i - 1))); lp++; } } frame->lp = frame->operand + cur_func->const_cell_num; if (lp - lp_base > 0) { word_copy(frame->lp, lp_base, lp - lp_base); } if (lp_base) wasm_runtime_free(lp_base); FREE_FRAME(exec_env, frame); frame_ip += cur_func->param_count * sizeof(int16); wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame); is_return_call = true; goto call_func_from_entry; } #endif /* WASM_ENABLE_TAIL_CALL != 0 || WASM_ENABLE_GC != 0 */ 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); int i; #if WASM_ENABLE_MULTI_MODULE != 0 if (cur_func->is_import_func) { outs_area->lp = outs_area->operand + (cur_func->import_func_inst ? cur_func->import_func_inst->const_cell_num : 0); } else #endif { outs_area->lp = outs_area->operand + cur_func->const_cell_num; } if ((uint8 *)(outs_area->lp + cur_func->param_cell_num) > exec_env->wasm_stack.top_boundary) { wasm_set_exception(module, "wasm operand stack overflow"); goto got_exception; } for (i = 0; i < cur_func->param_count; i++) { if (cur_func->param_types[i] == VALUE_TYPE_I64 || cur_func->param_types[i] == VALUE_TYPE_F64) { PUT_I64_TO_ADDR( outs_area->lp, GET_OPERAND(uint64, I64, 2 * (cur_func->param_count - i - 1))); outs_area->lp += 2; } #if WASM_ENABLE_GC != 0 else if (wasm_is_type_reftype(cur_func->param_types[i])) { PUT_REF_TO_ADDR( outs_area->lp, GET_OPERAND(void *, REF, 2 * (cur_func->param_count - i - 1))); CLEAR_FRAME_REF( *(uint16 *)(frame_ip + (2 * (cur_func->param_count - i - 1)))); outs_area->lp += REF_CELL_NUM; } #endif else { *outs_area->lp = GET_OPERAND( uint32, I32, (2 * (cur_func->param_count - i - 1))); outs_area->lp++; } } frame_ip += cur_func->param_count * sizeof(int16); if (cur_func->ret_cell_num != 0) { /* Get the first return value's offset. Since loader emit * all return values' offset so we must skip remain return * values' offsets. */ WASMFuncType *func_type; if (cur_func->is_import_func) func_type = cur_func->u.func_import->func_type; else func_type = cur_func->u.func->func_type; frame->ret_offset = GET_OFFSET(); frame_ip += 2 * (func_type->result_count - 1); } SYNC_ALL_TO_FRAME(); prev_frame = frame; #if WASM_ENABLE_TAIL_CALL != 0 || WASM_ENABLE_GC != 0 is_return_call = false; #endif } 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); } #if WASM_ENABLE_TAIL_CALL != 0 || WASM_ENABLE_GC != 0 if (is_return_call) { /* the frame was freed before tail calling and the prev_frame was set as exec_env's cur_frame, so here we recover context from prev_frame */ RECOVER_CONTEXT(prev_frame); } else #endif { prev_frame = frame->prev_frame; cur_func = frame->function; UPDATE_ALL_FROM_FRAME(); } /* update memory size, no need to update memory ptr as it isn't changed in wasm_enlarge_memory */ #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \ || WASM_ENABLE_BULK_MEMORY != 0 if (memory) linear_mem_size = get_linear_mem_size(); #endif if (wasm_copy_exception(module, NULL)) goto got_exception; } else { WASMFunction *cur_wasm_func = cur_func->u.func; uint32 cell_num_of_local_stack; #if WASM_ENABLE_REF_TYPES != 0 && WASM_ENABLE_GC == 0 uint32 i, local_cell_idx; #endif cell_num_of_local_stack = cur_func->param_cell_num + cur_func->local_cell_num + cur_wasm_func->max_stack_cell_num; all_cell_num = cur_func->const_cell_num + cell_num_of_local_stack; #if WASM_ENABLE_GC != 0 /* area of frame_ref */ all_cell_num += (cell_num_of_local_stack + 3) / 4; /* cells occupied by locals, POP_REF should not clear frame_ref for * these cells */ local_cell_num = cur_func->param_cell_num + cur_func->local_cell_num; #endif /* param_cell_num, local_cell_num, const_cell_num and max_stack_cell_num are all no larger than UINT16_MAX (checked in loader), all_cell_num must be smaller than 1MB */ bh_assert(all_cell_num < 1 * BH_MB); frame_size = wasm_interp_interp_frame_size(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->operand + cur_wasm_func->const_cell_num; /* Initialize the consts */ if (cur_wasm_func->const_cell_num > 0) { word_copy(frame->operand, (uint32 *)cur_wasm_func->consts, cur_wasm_func->const_cell_num); } /* Initialize the local variables */ memset(frame_lp + cur_func->param_cell_num, 0, (uint32)(cur_func->local_cell_num * 4)); #if WASM_ENABLE_REF_TYPES != 0 && WASM_ENABLE_GC == 0 /* externref/funcref should be NULL_REF rather than 0 */ local_cell_idx = cur_func->param_cell_num; for (i = 0; i < cur_wasm_func->local_count; i++) { if (cur_wasm_func->local_types[i] == VALUE_TYPE_EXTERNREF || cur_wasm_func->local_types[i] == VALUE_TYPE_FUNCREF) { *(frame_lp + local_cell_idx) = NULL_REF; } local_cell_idx += wasm_value_type_cell_num(cur_wasm_func->local_types[i]); } #endif #if WASM_ENABLE_GC != 0 /* frame->ip is used during GC root set enumeration, so we must * initialized this field here */ frame->ip = frame_ip; frame_ref = frame->frame_ref = (uint8 *)(frame->lp + (uint32)cell_num_of_local_stack); init_frame_refs(frame_ref, (uint32)cell_num_of_local_stack, cur_func); #endif 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); #if WASM_ENABLE_GC != 0 local_cell_num = cur_func->param_cell_num + cur_func->local_cell_num; #endif HANDLE_OP_END(); } (void)frame_ip_end; #if WASM_ENABLE_SHARED_MEMORY != 0 unaligned_atomic: wasm_set_exception(module, "unaligned atomic"); goto got_exception; #endif #if !defined(OS_ENABLE_HW_BOUND_CHECK) \ || WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \ || WASM_ENABLE_BULK_MEMORY != 0 out_of_bounds: wasm_set_exception(module, "out of bounds memory access"); #endif got_exception: SYNC_ALL_TO_FRAME(); return; #if WASM_ENABLE_LABELS_AS_VALUES == 0 } #else FETCH_OPCODE_AND_DISPATCH(); #endif } #if WASM_ENABLE_LABELS_AS_VALUES != 0 void ** wasm_interp_get_handle_table() { WASMModuleInstance module; memset(&module, 0, sizeof(WASMModuleInstance)); wasm_interp_call_func_bytecode(&module, NULL, NULL, NULL); return global_handle_table; } #endif #if WASM_ENABLE_GC != 0 bool wasm_interp_traverse_gc_rootset(WASMExecEnv *exec_env, void *heap) { WASMInterpFrame *frame; WASMObjectRef gc_obj; WASMFunctionInstance *cur_func; uint8 *frame_ref; uint32 local_cell_num, i; frame = wasm_exec_env_get_cur_frame(exec_env); for (; frame; frame = frame->prev_frame) { frame_ref = frame->frame_ref; cur_func = frame->function; if (!cur_func) continue; local_cell_num = cur_func->param_cell_num; if (frame->ip) local_cell_num += cur_func->local_cell_num + cur_func->u.func->max_stack_cell_num; for (i = 0; i < local_cell_num; i++) { if (frame_ref[i]) { gc_obj = GET_REF_FROM_ADDR(frame->lp + i); if (wasm_obj_is_created_from_heap(gc_obj)) { if (mem_allocator_add_root((mem_allocator_t)heap, gc_obj)) { return false; } } #if UINTPTR_MAX == UINT64_MAX bh_assert(frame_ref[i + 1]); i++; #endif } } } return true; } #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; #if WASM_ENABLE_GC != 0 all_cell_num += (all_cell_num + 3) / 4; #endif 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 %" PRIu32 ", must be no smaller than %" PRIu32, argc, (uint32)function->param_cell_num); wasm_set_exception(module_inst, buf); return; } argc = function->param_cell_num; #if defined(OS_ENABLE_HW_BOUND_CHECK) && WASM_DISABLE_STACK_HW_BOUND_CHECK == 0 /* * wasm_runtime_detect_native_stack_overflow is done by * call_wasm_with_hw_bound_check. */ #else if (!wasm_runtime_detect_native_stack_overflow(exec_env)) { return; } #endif 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->lp = frame->operand + 0; #if WASM_ENABLE_GC != 0 frame->frame_ref = (uint8 *)(frame->lp + (function->ret_cell_num > 2 ? function->ret_cell_num : 2)); #endif frame->ret_offset = 0; if ((uint8 *)(outs_area->operand + function->const_cell_num + argc) > exec_env->wasm_stack.top_boundary) { wasm_set_exception((WASMModuleInstance *)exec_env->module_inst, "wasm operand stack overflow"); return; } if (argc > 0) word_copy(outs_area->operand + function->const_cell_num, argv, argc); wasm_exec_env_set_cur_frame(exec_env, frame); #if defined(os_writegsbase) { WASMMemoryInstance *memory_inst = wasm_get_default_memory(module_inst); if (memory_inst) /* write base addr of linear memory to GS segment register */ os_writegsbase(memory_inst->memory_data); } #endif if (function->is_import_func) { #if WASM_ENABLE_MULTI_MODULE != 0 if (function->import_module_inst) { LOG_DEBUG("it is a function of a sub module"); wasm_interp_call_func_import(module_inst, exec_env, function, frame); } else #endif { LOG_DEBUG("it is an 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_copy_exception(module_inst, NULL)) { for (i = 0; i < function->ret_cell_num; i++) argv[i] = *(frame->lp + i); } 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 } wasm_exec_env_set_cur_frame(exec_env, prev_frame); FREE_FRAME(exec_env, frame); #if WASM_ENABLE_OPCODE_COUNTER != 0 wasm_interp_dump_op_count(); #endif }