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wasm-micro-runtime/core/iwasm/interpreter/wasm_interp_fast.c
Maks Litskevich 6426fc4993
Fix out of bounds issues after memory.grow on non-aot non-threads builds (#3872) 
Co-authored-by: Deniz Sokmen <dsokmen@amazon.com>
2024-10-23 14:48:40 +08:00

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/*
* 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 WASM_ENABLE_SHARED_HEAP != 0
#define app_addr_in_shared_heap(app_addr, bytes) \
(shared_heap && (app_addr) >= shared_heap_start_off \
&& (app_addr) <= shared_heap_end_off - bytes + 1)
#define shared_heap_addr_app_to_native(app_addr, native_addr) \
native_addr = shared_heap_base_addr + ((app_addr)-shared_heap_start_off)
#define CHECK_SHARED_HEAP_OVERFLOW(app_addr, bytes, native_addr) \
if (app_addr_in_shared_heap(app_addr, bytes)) \
shared_heap_addr_app_to_native(app_addr, native_addr); \
else
#else
#define CHECK_SHARED_HEAP_OVERFLOW(app_addr, bytes, native_addr)
#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; \
CHECK_SHARED_HEAP_OVERFLOW(offset1, bytes, maddr) \
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); \
CHECK_SHARED_HEAP_OVERFLOW(offset1, bytes, maddr) \
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; \
CHECK_SHARED_HEAP_OVERFLOW(offset1, bytes, maddr) \
maddr = memory->memory_data + offset1; \
} while (0)
#define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \
do { \
uint64 offset1 = (uint32)(start); \
CHECK_SHARED_HEAP_OVERFLOW(offset1, bytes, maddr) \
maddr = memory->memory_data + offset1; \
} 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_SHARED_HEAP != 0
WASMSharedHeap *shared_heap = module->e ? module->e->shared_heap : NULL;
uint8 *shared_heap_base_addr = shared_heap ? shared_heap->base_addr : NULL;
/*
#if WASM_ENABLE_MEMORY64 != 0
uint64 shared_heap_start_off =
shared_heap ? (is_memory64 ? shared_heap->start_off_mem64
: shared_heap->start_off_mem32)
: 0;
uint64 shared_heap_end_off =
shared_heap ? (is_memory64 ? UINT64_MAX : UINT32_MAX) : 0;
#else
*/ /* TODO: uncomment the code when memory64 is enabled for fast-interp */
uint64 shared_heap_start_off =
shared_heap ? shared_heap->start_off_mem32 : 0;
uint64 shared_heap_end_off = shared_heap ? UINT32_MAX : 0;
/* #endif */
#endif /* end of WASM_ENABLE_SHARED_HEAP != 0 */
#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);
#if WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)addr, 1))
shared_heap_addr_app_to_native((uint64)addr, maddr);
else
#endif
{
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();
#if WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)addr, 1))
shared_heap_addr_app_to_native((uint64)addr, maddr);
else
#endif
{
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];
/* TODO: multi-memory wasm_enlarge_memory_with_idx() */
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 WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)(uint32)addr,
bytes))
shared_heap_addr_app_to_native((uint64)(uint32)addr,
maddr);
else
#endif
{
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;
uint64 dlen;
len = POP_I32();
src = POP_I32();
dst = POP_I32();
#if WASM_ENABLE_THREAD_MGR != 0
linear_mem_size = get_linear_mem_size();
#endif
dlen = linear_mem_size - dst;
#ifndef OS_ENABLE_HW_BOUND_CHECK
CHECK_BULK_MEMORY_OVERFLOW(src, len, msrc);
CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst);
#if WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)dst, len))
dlen = shared_heap_end_off - dst + 1;
#endif
#else /* else of OS_ENABLE_HW_BOUND_CHECK */
#if WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)src, len))
shared_heap_addr_app_to_native((uint64)src, msrc);
else
#endif
{
if ((uint64)(uint32)src + len > linear_mem_size)
goto out_of_bounds;
msrc = memory->memory_data + (uint32)src;
}
#if WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)dst, len)) {
shared_heap_addr_app_to_native((uint64)dst, mdst);
dlen = shared_heap_end_off - dst + 1;
}
else
#endif
{
if ((uint64)(uint32)dst + len > linear_mem_size)
goto out_of_bounds;
mdst = memory->memory_data + (uint32)dst;
}
#endif /* end of OS_ENABLE_HW_BOUND_CHECK */
/* allowing the destination and source to overlap */
bh_memmove_s(mdst, (uint32)dlen, 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 WASM_ENABLE_SHARED_HEAP != 0
if (app_addr_in_shared_heap((uint64)(uint32)dst, len))
shared_heap_addr_app_to_native((uint64)(uint32)dst,
mdst);
else
#endif
{
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_MEMORY_SIZE(memory);
#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(void)
{
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
}
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