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c70e1ebc3d
wasm-micro-runtime/core/iwasm/interpreter/wasm_interp_fast.c
Wenyong Huang 7fd37190e8
Add control for the native stack check with hardware trap (#1682) 
Add a new options to control the native stack hw bound check feature:
- Besides the original option `cmake -DWAMR_DISABLE_HW_BOUND_CHECK=1/0`,
  add a new option `cmake -DWAMR_DISABLE_STACK_HW_BOUND_CHECK=1/0`
- When the linear memory hw bound check is disabled, the stack hw bound check
   will be disabled automatically, no matter what the input option is
- When the linear memory hw bound check is enabled, the stack hw bound check
  is enabled/disabled according to the value of input option
- Besides the original option `--bounds-checks=1/0`, add a new option
  `--stack-bounds-checks=1/0` for wamrc

Refer to: https://github.com/bytecodealliance/wasm-micro-runtime/issues/1677
2022-11-07 18:26:33 +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 "../common/wasm_exec_env.h"
#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 !defined(OS_ENABLE_HW_BOUND_CHECK) \
|| WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0
#define CHECK_MEMORY_OVERFLOW(bytes) \
do { \
uint64 offset1 = (uint64)offset + (uint64)addr; \
if (offset1 + bytes <= (uint64)linear_mem_size) \
/* If offset1 is in valid range, maddr must also \
be in valid range, no need to check it again. */ \
maddr = memory->memory_data + offset1; \
else \
goto out_of_bounds; \
} while (0)
#define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \
do { \
uint64 offset1 = (uint32)(start); \
if (offset1 + bytes <= linear_mem_size) \
/* App heap space is not valid space for \
bulk memory operation */ \
maddr = memory->memory_data + offset1; \
else \
goto out_of_bounds; \
} while (0)
#else
#define CHECK_MEMORY_OVERFLOW(bytes) \
do { \
uint64 offset1 = (uint64)offset + (uint64)addr; \
maddr = memory->memory_data + offset1; \
} while (0)
#define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \
do { \
maddr = memory->memory_data + (uint32)(start); \
} while (0)
#endif /* !defined(OS_ENABLE_HW_BOUND_CHECK) \
|| WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 */
#define CHECK_ATOMIC_MEMORY_ACCESS(align) \
do { \
if (((uintptr_t)maddr & (align - 1)) != 0) \
goto unaligned_atomic; \
} while (0)
static inline uint32
rotl32(uint32 n, uint32 c)
{
const uint32 mask = (31);
c = c % 32;
c &= mask;
return (n << c) | (n >> ((0 - c) & mask));
}
static inline uint32
rotr32(uint32 n, uint32 c)
{
const uint32 mask = (31);
c = c % 32;
c &= mask;
return (n >> c) | (n << ((0 - c) & mask));
}
static inline uint64
rotl64(uint64 n, uint64 c)
{
const uint64 mask = (63);
c = c % 64;
c &= mask;
return (n << c) | (n >> ((0 - c) & mask));
}
static inline uint64
rotr64(uint64 n, uint64 c)
{
const uint64 mask = (63);
c = c % 64;
c &= mask;
return (n >> c) | (n << ((0 - c) & mask));
}
static inline double
wa_fmax(double a, double b)
{
double c = fmax(a, b);
if (c == 0 && a == b)
return signbit(a) ? b : a;
return c;
}
static inline double
wa_fmin(double a, double b)
{
double c = fmin(a, b);
if (c == 0 && a == b)
return signbit(a) ? a : b;
return c;
}
static inline uint32
clz32(uint32 type)
{
uint32 num = 0;
if (type == 0)
return 32;
while (!(type & 0x80000000)) {
num++;
type <<= 1;
}
return num;
}
static inline uint32
clz64(uint64 type)
{
uint32 num = 0;
if (type == 0)
return 64;
while (!(type & 0x8000000000000000LL)) {
num++;
type <<= 1;
}
return num;
}
static inline uint32
ctz32(uint32 type)
{
uint32 num = 0;
if (type == 0)
return 32;
while (!(type & 1)) {
num++;
type >>= 1;
}
return num;
}
static inline uint32
ctz64(uint64 type)
{
uint32 num = 0;
if (type == 0)
return 64;
while (!(type & 1)) {
num++;
type >>= 1;
}
return num;
}
static inline uint32
popcount32(uint32 u)
{
uint32 ret = 0;
while (u) {
u = (u & (u - 1));
ret++;
}
return ret;
}
static inline uint32
popcount64(uint64 u)
{
uint32 ret = 0;
while (u) {
u = (u & (u - 1));
ret++;
}
return ret;
}
static float
local_copysignf(float x, float y)
{
union {
float f;
uint32_t 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_t i;
} ux = { x }, uy = { y };
ux.i &= -1ULL / 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 */
#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(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(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 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 SYNC_ALL_TO_FRAME() \
do { \
frame->ip = frame_ip; \
} while (0)
#define UPDATE_ALL_FROM_FRAME() \
do { \
frame_ip = frame->ip; \
} 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
#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; \
} 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_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(1); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint32)(*(uint8 *)maddr); \
*(uint8 *)maddr = (uint8)(readv op sval); \
os_mutex_unlock(&module->e->mem_lock); \
} \
else if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U) { \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(2); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint32)LOAD_U16(maddr); \
STORE_U16(maddr, (uint16)(readv op sval)); \
os_mutex_unlock(&module->e->mem_lock); \
} \
else { \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(4); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = LOAD_I32(maddr); \
STORE_U32(maddr, readv op sval); \
os_mutex_unlock(&module->e->mem_lock); \
} \
PUSH_I32(readv); \
break; \
} \
case WASM_OP_ATOMIC_RMW_I64_##OP_NAME: \
case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U: \
case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U: \
case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U: \
{ \
uint64 readv, sval; \
\
sval = (uint64)POP_I64(); \
addr = POP_I32(); \
\
if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U) { \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(1); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint64)(*(uint8 *)maddr); \
*(uint8 *)maddr = (uint8)(readv op sval); \
os_mutex_unlock(&module->e->mem_lock); \
} \
else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U) { \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(2); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint64)LOAD_U16(maddr); \
STORE_U16(maddr, (uint16)(readv op sval)); \
os_mutex_unlock(&module->e->mem_lock); \
} \
else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U) { \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(4); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint64)LOAD_U32(maddr); \
STORE_U32(maddr, (uint32)(readv op sval)); \
os_mutex_unlock(&module->e->mem_lock); \
} \
else { \
uint64 op_result; \
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr); \
CHECK_ATOMIC_MEMORY_ACCESS(8); \
\
os_mutex_lock(&module->e->mem_lock); \
readv = (uint64)LOAD_I64(maddr); \
op_result = readv op sval; \
STORE_I64(maddr, op_result); \
os_mutex_unlock(&module->e->mem_lock); \
} \
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 true;
}
else if (src_value <= src_min || src_value >= src_max) {
wasm_set_exception(module, "integer overflow");
return true;
}
}
if (is_i32) {
uint32 dst_min = is_sign ? INT32_MIN : 0;
uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX;
dst_value_i32 = trunc_f32_to_i32(src_value, src_min, src_max, dst_min,
dst_max, is_sign);
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 false;
}
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 true;
}
else if (src_value <= src_min || src_value >= src_max) {
wasm_set_exception(module, "integer overflow");
return true;
}
}
if (is_i32) {
uint32 dst_min = is_sign ? INT32_MIN : 0;
uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX;
dst_value_i32 = trunc_f64_to_i32(src_value, src_min, src_max, dst_min,
dst_max, is_sign);
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 false;
}
#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,
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.
*/
uint32 buf[16] = { 0 }, i;
uint32 *tmp_buf = buf;
uint8 cell;
int16 src, buf_index = 0;
uint16 dst;
/* 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");
return false;
}
}
/* 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];
else {
tmp_buf[buf_index] = frame_lp[src];
tmp_buf[buf_index + 1] = frame_lp[src + 1];
}
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];
else {
frame_lp[dst] = tmp_buf[buf_index];
frame_lp[dst + 1] = tmp_buf[buf_index + 1];
}
buf_index += cell;
}
if (tmp_buf != buf) {
wasm_runtime_free(tmp_buf);
}
return true;
}
#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) { \
frame_lp[dst_offsets[0]] = frame_lp[src_offsets[0]]; \
frame_lp[dst_offsets[0] + 1] = \
frame_lp[src_offsets[0] + 1]; \
} \
} \
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)
#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_get_boot_microsecond();
#endif
}
else {
wasm_set_exception((WASMModuleInstance *)exec_env->module_inst,
"wasm operand stack overflow");
}
return frame;
}
static inline void
FREE_FRAME(WASMExecEnv *exec_env, WASMInterpFrame *frame)
{
#if WASM_ENABLE_PERF_PROFILING != 0
if (frame->function) {
frame->function->total_exec_time +=
os_time_get_boot_microsecond() - frame->time_started;
frame->function->total_exec_cnt++;
}
#endif
wasm_exec_env_free_wasm_frame(exec_env, frame);
}
void
wasm_interp_restore_wasm_frame(WASMExecEnv *exec_env)
{
WASMInterpFrame *cur_frame, *prev_frame;
cur_frame = wasm_exec_env_get_cur_frame(exec_env);
while (cur_frame) {
prev_frame = cur_frame->prev_frame;
if (cur_frame->ip) {
/* FREE_FRAME just set the wasm_stack.s.top pointer, we only need to
* call it once */
FREE_FRAME(exec_env, cur_frame);
break;
}
cur_frame = prev_frame;
}
wasm_exec_env_set_cur_frame(exec_env, cur_frame);
}
static void
wasm_interp_call_func_native(WASMModuleInstance *module_inst,
WASMExecEnv *exec_env,
WASMFunctionInstance *cur_func,
WASMInterpFrame *prev_frame)
{
WASMFunctionImport *func_import = cur_func->u.func_import;
unsigned local_cell_num = 2;
WASMInterpFrame *frame;
uint32 argv_ret[2], cur_func_index;
void *native_func_pointer = NULL;
bool ret;
if (!(frame = ALLOC_FRAME(exec_env,
wasm_interp_interp_frame_size(local_cell_num),
prev_frame)))
return;
frame->function = cur_func;
frame->ip = NULL;
frame->lp = frame->operand;
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);
native_func_pointer = module_inst->import_func_ptrs[cur_func_index];
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,
func_import->wasm_c_api_with_env, func_import->attachment);
if (ret) {
argv_ret[0] = frame->lp[0];
argv_ret[1] = frame->lp[1];
}
}
else if (!func_import->call_conv_raw) {
ret = wasm_runtime_invoke_native(
exec_env, native_func_pointer, func_import->func_type,
func_import->signature, func_import->attachment, frame->lp,
cur_func->param_cell_num, argv_ret);
}
else {
ret = wasm_runtime_invoke_native_raw(
exec_env, native_func_pointer, func_import->func_type,
func_import->signature, func_import->attachment, frame->lp,
cur_func->param_cell_num, argv_ret);
}
if (!ret)
return;
if (cur_func->ret_cell_num == 1) {
prev_frame->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;
uint32 aux_stack_origin_boundary = 0;
uint32 aux_stack_origin_bottom = 0;
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 */
exec_env->module_inst = (WASMModuleInstanceCommon *)sub_module_inst;
/* - aux_stack_boundary */
aux_stack_origin_boundary = exec_env->aux_stack_boundary.boundary;
exec_env->aux_stack_boundary.boundary =
sub_module_exec_env->aux_stack_boundary.boundary;
/* - aux_stack_bottom */
aux_stack_origin_bottom = exec_env->aux_stack_bottom.bottom;
exec_env->aux_stack_bottom.bottom =
sub_module_exec_env->aux_stack_bottom.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.boundary = aux_stack_origin_boundary;
exec_env->aux_stack_bottom.bottom = aux_stack_origin_bottom;
exec_env->module_inst = (WASMModuleInstanceCommon *)module_inst;
/* transfer exception if it is thrown */
if (wasm_get_exception(sub_module_inst)) {
bh_memcpy_s(module_inst->cur_exception,
sizeof(module_inst->cur_exception),
sub_module_inst->cur_exception,
sizeof(sub_module_inst->cur_exception));
}
}
#endif
#if WASM_ENABLE_THREAD_MGR != 0
#define CHECK_SUSPEND_FLAGS() \
do { \
if (exec_env->suspend_flags.flags != 0) { \
if (exec_env->suspend_flags.flags & 0x01) { \
/* terminate current thread */ \
return; \
} \
/* TODO: support suspend and breakpoint */ \
} \
} 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;
printf("total opcode count: %ld\n", total_count);
for (i = 0; i < WASM_OP_IMPDEP; i++)
if (opcode_table[i].count > 0)
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
#define FETCH_OPCODE_AND_DISPATCH() \
do { \
const void *p_label_addr = label_base + *(int16 *)frame_ip; \
frame_ip += sizeof(int16); \
goto *p_label_addr; \
} while (0)
#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
uint32 num_bytes_per_page = memory ? memory->num_bytes_per_page : 0;
uint32 linear_mem_size =
memory ? num_bytes_per_page * memory->cur_page_count : 0;
#endif
uint8 *global_data = module->global_data;
WASMGlobalInstance *globals = module->e ? module->e->globals : NULL;
WASMGlobalInstance *global;
uint8 opcode_IMPDEP = WASM_OP_IMPDEP;
WASMInterpFrame *frame = NULL;
/* Points to this special opcode so as to jump to the
* call_method_from_entry. */
register uint8 *frame_ip = &opcode_IMPDEP; /* cache of frame->ip */
register uint32 *frame_lp = NULL; /* cache of frame->lp */
#if WASM_ENABLE_LABELS_AS_VALUES != 0
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0
/* cache of label base addr */
register uint8 *label_base = &&HANDLE_WASM_OP_UNREACHABLE;
#endif
#endif
uint8 *frame_ip_end = frame_ip + 1;
uint32 cond, count, fidx, tidx, frame_size = 0;
uint64 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, local_type, *global_addr;
#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;
WASMType *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;
}
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
{
WASMType *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 = 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;
}
fidx = tbl_inst->elems[val];
if (fidx == NULL_REF) {
wasm_set_exception(module, "uninitialized element");
goto got_exception;
}
/*
* we might be using a table injected by host or
* another module. in that case, we don't validate
* the elem value while loading
*/
if (fidx >= module->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;
if (cur_type != cur_func_type) {
wasm_set_exception(module, "indirect call type mismatch");
goto got_exception;
}
#if WASM_ENABLE_TAIL_CALL != 0
if (opcode == WASM_OP_RETURN_CALL_INDIRECT)
goto call_func_from_return_call;
#endif
goto call_func_from_interp;
}
/* parametric instructions */
HANDLE_OP(WASM_OP_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_REF_TYPES != 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;
}
PUSH_I32(tbl_inst->elems[elem_idx]);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_TABLE_SET)
{
uint32 tbl_idx, elem_idx, elem_val;
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_val = POP_I32();
elem_idx = POP_I32();
if (elem_idx >= tbl_inst->cur_size) {
wasm_set_exception(module, "out of bounds table access");
goto got_exception;
}
tbl_inst->elems[elem_idx] = elem_val;
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_REF_NULL)
{
PUSH_I32(NULL_REF);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_REF_IS_NULL)
{
uint32 ref_val;
ref_val = POP_I32();
PUSH_I32(ref_val == NULL_REF ? 1 : 0);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_REF_FUNC)
{
uint32 func_idx = read_uint32(frame_ip);
PUSH_I32(func_idx);
HANDLE_OP_END();
}
#endif /* WASM_ENABLE_REF_TYPES */
/* variable instructions */
HANDLE_OP(EXT_OP_SET_LOCAL_FAST)
HANDLE_OP(EXT_OP_TEE_LOCAL_FAST)
{
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
local_offset = *frame_ip++;
#else
/* clang-format off */
local_offset = *frame_ip;
frame_ip += 2;
/* clang-format on */
#endif
*(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)
{
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
local_offset = *frame_ip++;
#else
/* clang-format off */
local_offset = *frame_ip;
frame_ip += 2;
/* clang-format on */
#endif
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();
frame_lp[addr_ret] = *(uint32 *)global_addr;
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();
*(int32 *)global_addr = frame_lp[addr1];
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_SET_GLOBAL_AUX_STACK)
{
uint32 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);
aux_stack_top = frame_lp[GET_OFFSET()];
if (aux_stack_top <= exec_env->aux_stack_boundary.boundary) {
wasm_set_exception(module, "wasm auxiliary stack overflow");
goto got_exception;
}
if (aux_stack_top > exec_env->aux_stack_bottom.bottom) {
wasm_set_exception(module,
"wasm auxiliary stack underflow");
goto got_exception;
}
*(int32 *)global_addr = aux_stack_top;
#if WASM_ENABLE_MEMORY_PROFILING != 0
if (module->module->aux_stack_top_global_index != (uint32)-1) {
uint32 aux_stack_used = module->module->aux_stack_bottom
- *(uint32 *)global_addr;
if (aux_stack_used > module->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);
*(uint8 *)maddr = (uint8)sval;
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_I32_STORE16)
{
uint32 offset, addr;
uint32 sval;
offset = read_uint32(frame_ip);
sval = GET_OPERAND(uint32, I32, 0);
addr = GET_OPERAND(uint32, I32, 2);
frame_ip += 4;
CHECK_MEMORY_OVERFLOW(2);
STORE_U16(maddr, (uint16)sval);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_I64_STORE)
{
uint32 offset, addr;
uint64 sval;
offset = read_uint32(frame_ip);
sval = GET_OPERAND(uint64, I64, 0);
addr = GET_OPERAND(uint32, I32, 2);
frame_ip += 4;
CHECK_MEMORY_OVERFLOW(8);
STORE_I64(maddr, sval);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_I64_STORE8)
{
uint32 offset, addr;
uint64 sval;
offset = read_uint32(frame_ip);
sval = GET_OPERAND(uint64, I64, 0);
addr = GET_OPERAND(uint32, I32, 2);
frame_ip += 4;
CHECK_MEMORY_OVERFLOW(1);
*(uint8 *)maddr = (uint8)sval;
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_I64_STORE16)
{
uint32 offset, addr;
uint64 sval;
offset = read_uint32(frame_ip);
sval = GET_OPERAND(uint64, I64, 0);
addr = GET_OPERAND(uint32, I32, 2);
frame_ip += 4;
CHECK_MEMORY_OVERFLOW(2);
STORE_U16(maddr, (uint16)sval);
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_I64_STORE32)
{
uint32 offset, addr;
uint64 sval;
offset = read_uint32(frame_ip);
sval = GET_OPERAND(uint64, I64, 0);
addr = GET_OPERAND(uint32, I32, 2);
frame_ip += 4;
CHECK_MEMORY_OVERFLOW(4);
STORE_U32(maddr, (uint32)sval);
HANDLE_OP_END();
}
/* memory size and memory grow instructions */
HANDLE_OP(WASM_OP_MEMORY_SIZE)
{
uint32 reserved;
addr_ret = GET_OFFSET();
frame_lp[addr_ret] = memory->cur_page_count;
(void)reserved;
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_MEMORY_GROW)
{
uint32 reserved, delta,
prev_page_count = memory->cur_page_count;
addr1 = GET_OFFSET();
addr_ret = GET_OFFSET();
delta = (uint32)frame_lp[addr1];
if (!wasm_enlarge_memory(module, delta)) {
/* failed to memory.grow, return -1 */
frame_lp[addr_ret] = -1;
}
else {
/* success, return previous page count */
frame_lp[addr_ret] = prev_page_count;
/* update memory size, no need to update memory ptr as
it isn't changed in wasm_enlarge_memory */
#if !defined(OS_ENABLE_HW_BOUND_CHECK) \
|| WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \
|| WASM_ENABLE_BULK_MEMORY != 0
linear_mem_size =
num_bytes_per_page * memory->cur_page_count;
#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());
if (isnan(a))
*(float32 *)(frame_lp + GET_OFFSET()) = a;
else if (isnan(b))
*(float32 *)(frame_lp + GET_OFFSET()) = b;
else
*(float32 *)(frame_lp + GET_OFFSET()) =
(float32)wa_fmin(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());
if (isnan(a))
*(float32 *)(frame_lp + GET_OFFSET()) = a;
else if (isnan(b))
*(float32 *)(frame_lp + GET_OFFSET()) = b;
else
*(float32 *)(frame_lp + GET_OFFSET()) =
(float32)wa_fmax(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();
if (isnan(a))
PUSH_F64(a);
else if (isnan(b))
PUSH_F64(b);
else
PUSH_F64(wa_fmin(a, b));
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_F64_MAX)
{
float64 a, b;
b = POP_F64();
a = POP_F64();
if (isnan(a))
PUSH_F64(a);
else if (isnan(b))
PUSH_F64(b);
else
PUSH_F64(wa_fmax(a, b));
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_F64_COPYSIGN)
{
float64 a, b;
b = POP_F64();
a = POP_F64();
PUSH_F64(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];
HANDLE_OP_END();
}
HANDLE_OP(EXT_OP_COPY_STACK_TOP_I64)
{
addr1 = GET_OFFSET();
addr2 = GET_OFFSET();
frame_lp[addr2] = frame_lp[addr1];
frame_lp[addr2 + 1] = frame_lp[addr1 + 1];
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,
total_cell, cells, src_offsets,
dst_offsets))
goto got_exception;
HANDLE_OP_END();
}
HANDLE_OP(WASM_OP_SET_LOCAL)
HANDLE_OP(WASM_OP_TEE_LOCAL)
{
GET_LOCAL_INDEX_TYPE_AND_OFFSET();
addr1 = GET_OFFSET();
if (local_type == VALUE_TYPE_I32
|| local_type == VALUE_TYPE_F32) {
*(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));
}
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)POP_I32();
offset = (uint64)POP_I32();
addr = POP_I32();
#ifndef OS_ENABLE_HW_BOUND_CHECK
CHECK_BULK_MEMORY_OVERFLOW(addr, bytes, maddr);
#else
if ((uint64)(uint32)addr + bytes
> (uint64)linear_mem_size)
goto out_of_bounds;
maddr = memory->memory_data + (uint32)addr;
#endif
seg_len = (uint64)module->module->data_segments[segment]
->data_length;
data = module->module->data_segments[segment]->data;
if (offset + bytes > seg_len)
goto out_of_bounds;
bh_memcpy_s(maddr, linear_mem_size - addr,
data + offset, (uint32)bytes);
break;
}
case WASM_OP_DATA_DROP:
{
uint32 segment;
segment = read_uint32(frame_ip);
module->module->data_segments[segment]->data_length = 0;
break;
}
case WASM_OP_MEMORY_COPY:
{
uint32 dst, src, len;
uint8 *mdst, *msrc;
len = POP_I32();
src = POP_I32();
dst = POP_I32();
#ifndef OS_ENABLE_HW_BOUND_CHECK
CHECK_BULK_MEMORY_OVERFLOW(src, len, msrc);
CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst);
#else
if ((uint64)(uint32)src + len > (uint64)linear_mem_size)
goto out_of_bounds;
msrc = memory->memory_data + (uint32)src;
if ((uint64)(uint32)dst + len > (uint64)linear_mem_size)
goto out_of_bounds;
mdst = memory->memory_data + (uint32)dst;
#endif
/* allowing the destination and source to overlap */
bh_memmove_s(mdst, linear_mem_size - dst, msrc, len);
break;
}
case WASM_OP_MEMORY_FILL:
{
uint32 dst, len;
uint8 fill_val, *mdst;
len = POP_I32();
fill_val = POP_I32();
dst = POP_I32();
#ifndef OS_ENABLE_HW_BOUND_CHECK
CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst);
#else
if ((uint64)(uint32)dst + len > (uint64)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
case WASM_OP_TABLE_INIT:
{
uint32 tbl_idx, elem_idx;
uint64 n, s, d;
WASMTableInstance *tbl_inst;
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 (!n) {
break;
}
if (n + s > module->module->table_segments[elem_idx]
.function_count
|| d + n > tbl_inst->cur_size) {
wasm_set_exception(module,
"out of bounds table access");
goto got_exception;
}
if (module->module->table_segments[elem_idx]
.is_dropped) {
wasm_set_exception(module,
"out of bounds table access");
goto got_exception;
}
if (!wasm_elem_is_passive(
module->module->table_segments[elem_idx]
.mode)) {
wasm_set_exception(module,
"out of bounds table access");
goto got_exception;
}
bh_memcpy_s(
(uint8 *)tbl_inst
+ offsetof(WASMTableInstance, elems)
+ d * sizeof(uint32),
(uint32)((tbl_inst->cur_size - d) * sizeof(uint32)),
module->module->table_segments[elem_idx]
.func_indexes
+ s,
(uint32)(n * sizeof(uint32)));
break;
}
case WASM_OP_ELEM_DROP:
{
uint32 elem_idx = read_uint32(frame_ip);
bh_assert(elem_idx < module->module->table_seg_count);
module->module->table_segments[elem_idx].is_dropped =
true;
break;
}
case WASM_OP_TABLE_COPY:
{
uint32 src_tbl_idx, dst_tbl_idx;
uint64 n, s, d;
WASMTableInstance *src_tbl_inst, *dst_tbl_inst;
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 (d + n > dst_tbl_inst->cur_size
|| s + n > src_tbl_inst->cur_size) {
wasm_set_exception(module,
"out of bounds table access");
goto got_exception;
}
/* if s >= d, copy from front to back */
/* if s < d, copy from back to front */
/* merge all together */
bh_memmove_s((uint8 *)dst_tbl_inst
+ offsetof(WASMTableInstance, elems)
+ d * sizeof(uint32),
(uint32)((dst_tbl_inst->cur_size - d)
* sizeof(uint32)),
(uint8 *)src_tbl_inst
+ offsetof(WASMTableInstance, elems)
+ s * sizeof(uint32),
(uint32)(n * sizeof(uint32)));
break;
}
case WASM_OP_TABLE_GROW:
{
uint32 tbl_idx, n, init_val, orig_tbl_sz;
WASMTableInstance *tbl_inst;
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();
init_val = POP_I32();
if (!wasm_enlarge_table(module, tbl_idx, n, init_val)) {
PUSH_I32(-1);
}
else {
PUSH_I32(orig_tbl_sz);
}
break;
}
case WASM_OP_TABLE_SIZE:
{
uint32 tbl_idx;
WASMTableInstance *tbl_inst;
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, fill_val, i;
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);
n = POP_I32();
fill_val = POP_I32();
i = POP_I32();
if (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_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
ret = wasm_runtime_atomic_notify(
(WASMModuleInstanceCommon *)module, maddr,
notify_count);
bh_assert((int32)ret >= 0);
PUSH_I32(ret);
break;
}
case WASM_OP_ATOMIC_WAIT32:
{
uint64 timeout;
uint32 expect, ret;
timeout = POP_I64();
expect = POP_I32();
addr = POP_I32();
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
ret = wasm_runtime_atomic_wait(
(WASMModuleInstanceCommon *)module, maddr,
(uint64)expect, timeout, false);
if (ret == (uint32)-1)
goto got_exception;
PUSH_I32(ret);
break;
}
case WASM_OP_ATOMIC_WAIT64:
{
uint64 timeout, expect;
uint32 ret;
timeout = POP_I64();
expect = POP_I64();
addr = POP_I32();
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(8);
ret = wasm_runtime_atomic_wait(
(WASMModuleInstanceCommon *)module, maddr, expect,
timeout, true);
if (ret == (uint32)-1)
goto got_exception;
PUSH_I32(ret);
break;
}
case WASM_OP_ATOMIC_I32_LOAD:
case WASM_OP_ATOMIC_I32_LOAD8_U:
case WASM_OP_ATOMIC_I32_LOAD16_U:
{
uint32 readv;
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_I32_LOAD8_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
os_mutex_lock(&module->e->mem_lock);
readv = (uint32)(*(uint8 *)maddr);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I32_LOAD16_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
os_mutex_lock(&module->e->mem_lock);
readv = (uint32)LOAD_U16(maddr);
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
os_mutex_lock(&module->e->mem_lock);
readv = LOAD_I32(maddr);
os_mutex_unlock(&module->e->mem_lock);
}
PUSH_I32(readv);
break;
}
case WASM_OP_ATOMIC_I64_LOAD:
case WASM_OP_ATOMIC_I64_LOAD8_U:
case WASM_OP_ATOMIC_I64_LOAD16_U:
case WASM_OP_ATOMIC_I64_LOAD32_U:
{
uint64 readv;
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_I64_LOAD8_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)(*(uint8 *)maddr);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I64_LOAD16_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)LOAD_U16(maddr);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I64_LOAD32_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)LOAD_U32(maddr);
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(8);
os_mutex_lock(&module->e->mem_lock);
readv = LOAD_I64(maddr);
os_mutex_unlock(&module->e->mem_lock);
}
PUSH_I64(readv);
break;
}
case WASM_OP_ATOMIC_I32_STORE:
case WASM_OP_ATOMIC_I32_STORE8:
case WASM_OP_ATOMIC_I32_STORE16:
{
uint32 sval;
sval = (uint32)POP_I32();
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_I32_STORE8) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
os_mutex_lock(&module->e->mem_lock);
*(uint8 *)maddr = (uint8)sval;
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I32_STORE16) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
os_mutex_lock(&module->e->mem_lock);
STORE_U16(maddr, (uint16)sval);
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
os_mutex_lock(&module->e->mem_lock);
STORE_U32(maddr, sval);
os_mutex_unlock(&module->e->mem_lock);
}
break;
}
case WASM_OP_ATOMIC_I64_STORE:
case WASM_OP_ATOMIC_I64_STORE8:
case WASM_OP_ATOMIC_I64_STORE16:
case WASM_OP_ATOMIC_I64_STORE32:
{
uint64 sval;
sval = (uint64)POP_I64();
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_I64_STORE8) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
os_mutex_lock(&module->e->mem_lock);
*(uint8 *)maddr = (uint8)sval;
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I64_STORE16) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
os_mutex_lock(&module->e->mem_lock);
STORE_U16(maddr, (uint16)sval);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_I64_STORE32) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
os_mutex_lock(&module->e->mem_lock);
STORE_U32(maddr, (uint32)sval);
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(8);
os_mutex_lock(&module->e->mem_lock);
STORE_I64(maddr, sval);
os_mutex_unlock(&module->e->mem_lock);
}
break;
}
case WASM_OP_ATOMIC_RMW_I32_CMPXCHG:
case WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U:
case WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U:
{
uint32 readv, sval, expect;
sval = POP_I32();
expect = POP_I32();
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
expect = (uint8)expect;
os_mutex_lock(&module->e->mem_lock);
readv = (uint32)(*(uint8 *)maddr);
if (readv == expect)
*(uint8 *)maddr = (uint8)(sval);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
expect = (uint16)expect;
os_mutex_lock(&module->e->mem_lock);
readv = (uint32)LOAD_U16(maddr);
if (readv == expect)
STORE_U16(maddr, (uint16)(sval));
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
os_mutex_lock(&module->e->mem_lock);
readv = LOAD_I32(maddr);
if (readv == expect)
STORE_U32(maddr, sval);
os_mutex_unlock(&module->e->mem_lock);
}
PUSH_I32(readv);
break;
}
case WASM_OP_ATOMIC_RMW_I64_CMPXCHG:
case WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U:
case WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U:
case WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U:
{
uint64 readv, sval, expect;
sval = (uint64)POP_I64();
expect = (uint64)POP_I64();
addr = POP_I32();
if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(1);
expect = (uint8)expect;
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)(*(uint8 *)maddr);
if (readv == expect)
*(uint8 *)maddr = (uint8)(sval);
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(2);
expect = (uint16)expect;
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)LOAD_U16(maddr);
if (readv == expect)
STORE_U16(maddr, (uint16)(sval));
os_mutex_unlock(&module->e->mem_lock);
}
else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U) {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(4);
expect = (uint32)expect;
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)LOAD_U32(maddr);
if (readv == expect)
STORE_U32(maddr, (uint32)(sval));
os_mutex_unlock(&module->e->mem_lock);
}
else {
CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
CHECK_ATOMIC_MEMORY_ACCESS(8);
os_mutex_lock(&module->e->mem_lock);
readv = (uint64)LOAD_I64(maddr);
if (readv == expect) {
STORE_I64(maddr, sval);
}
os_mutex_unlock(&module->e->mem_lock);
}
PUSH_I64(readv);
break;
}
DEF_ATOMIC_RMW_OPCODE(ADD, +);
DEF_ATOMIC_RMW_OPCODE(SUB, -);
DEF_ATOMIC_RMW_OPCODE(AND, &);
DEF_ATOMIC_RMW_OPCODE(OR, |);
DEF_ATOMIC_RMW_OPCODE(XOR, ^);
/* xchg, ignore the read value, and store the given
value: readv * 0 + sval */
DEF_ATOMIC_RMW_OPCODE(XCHG, *0 +);
}
HANDLE_OP_END();
}
#endif
HANDLE_OP(WASM_OP_IMPDEP)
{
frame = prev_frame;
frame_ip = frame->ip;
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_0x06)
HANDLE_OP(WASM_OP_UNUSED_0x07)
HANDLE_OP(WASM_OP_UNUSED_0x08)
HANDLE_OP(WASM_OP_UNUSED_0x09)
HANDLE_OP(WASM_OP_UNUSED_0x0a)
#if WASM_ENABLE_TAIL_CALL == 0
HANDLE_OP(WASM_OP_RETURN_CALL)
HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT)
#endif
#if WASM_ENABLE_SHARED_MEMORY == 0
HANDLE_OP(WASM_OP_ATOMIC_PREFIX)
#endif
#if WASM_ENABLE_REF_TYPES == 0
HANDLE_OP(WASM_OP_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
/* SELECT_T is converted to SELECT or SELECT_64 */
HANDLE_OP(WASM_OP_SELECT_T)
HANDLE_OP(WASM_OP_UNUSED_0x14)
HANDLE_OP(WASM_OP_UNUSED_0x15)
HANDLE_OP(WASM_OP_UNUSED_0x16)
HANDLE_OP(WASM_OP_UNUSED_0x17)
HANDLE_OP(WASM_OP_UNUSED_0x18)
HANDLE_OP(WASM_OP_UNUSED_0x19)
HANDLE_OP(WASM_OP_UNUSED_0x27)
/* 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
call_func_from_return_call:
{
uint32 *lp_base;
uint32 *lp;
int i;
if (!(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);
}
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);
goto call_func_from_entry;
}
#endif /* WASM_ENABLE_TAIL_CALL */
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.s.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;
}
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.
*/
WASMType *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;
}
call_func_from_entry:
{
if (cur_func->is_import_func) {
#if WASM_ENABLE_MULTI_MODULE != 0
if (cur_func->import_func_inst) {
wasm_interp_call_func_import(module, exec_env, cur_func,
prev_frame);
}
else
#endif
{
wasm_interp_call_func_native(module, exec_env, cur_func,
prev_frame);
}
prev_frame = frame->prev_frame;
cur_func = frame->function;
UPDATE_ALL_FROM_FRAME();
/* update memory 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 = num_bytes_per_page * memory->cur_page_count;
#endif
if (wasm_get_exception(module))
goto got_exception;
}
else {
WASMFunction *cur_wasm_func = cur_func->u.func;
all_cell_num = (uint64)cur_func->param_cell_num
+ (uint64)cur_func->local_cell_num
+ (uint64)cur_func->const_cell_num
+ (uint64)cur_wasm_func->max_stack_cell_num;
if (all_cell_num >= UINT32_MAX) {
wasm_set_exception(module, "wasm operand stack overflow");
goto got_exception;
}
frame_size = wasm_interp_interp_frame_size((uint32)all_cell_num);
if (!(frame = ALLOC_FRAME(exec_env, frame_size, prev_frame))) {
frame = prev_frame;
goto got_exception;
}
/* Initialize the interpreter context. */
frame->function = cur_func;
frame_ip = wasm_get_func_code(cur_func);
frame_ip_end = wasm_get_func_code_end(cur_func);
frame_lp = frame->lp =
frame->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));
wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)frame);
}
HANDLE_OP_END();
}
return_func:
{
FREE_FRAME(exec_env, frame);
wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame);
if (!prev_frame->ip)
/* Called from native. */
return;
RECOVER_CONTEXT(prev_frame);
HANDLE_OP_END();
}
(void)frame_ip_end;
#if WASM_ENABLE_SHARED_MEMORY != 0
unaligned_atomic:
wasm_set_exception(module, "unaligned atomic");
goto got_exception;
#endif
#if !defined(OS_ENABLE_HW_BOUND_CHECK) \
|| WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0 \
|| WASM_ENABLE_BULK_MEMORY != 0
out_of_bounds:
wasm_set_exception(module, "out of bounds memory access");
#endif
got_exception:
SYNC_ALL_TO_FRAME();
return;
#if WASM_ENABLE_LABELS_AS_VALUES == 0
}
#else
FETCH_OPCODE_AND_DISPATCH();
#endif
}
#if WASM_ENABLE_LABELS_AS_VALUES != 0
void **
wasm_interp_get_handle_table()
{
WASMModuleInstance module;
memset(&module, 0, sizeof(WASMModuleInstance));
wasm_interp_call_func_bytecode(&module, NULL, NULL, NULL);
return global_handle_table;
}
#endif
void
wasm_interp_call_wasm(WASMModuleInstance *module_inst, WASMExecEnv *exec_env,
WASMFunctionInstance *function, uint32 argc,
uint32 argv[])
{
WASMRuntimeFrame *prev_frame = wasm_exec_env_get_cur_frame(exec_env);
WASMInterpFrame *frame, *outs_area;
/* Allocate sufficient cells for all kinds of return values. */
unsigned all_cell_num =
function->ret_cell_num > 2 ? function->ret_cell_num : 2,
i;
/* This frame won't be used by JITed code, so only allocate interp
frame here. */
unsigned frame_size = wasm_interp_interp_frame_size(all_cell_num);
if (argc < function->param_cell_num) {
char buf[128];
snprintf(buf, sizeof(buf),
"invalid argument count %" 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)
if ((uint8 *)&prev_frame < exec_env->native_stack_boundary) {
wasm_set_exception((WASMModuleInstance *)exec_env->module_inst,
"native stack overflow");
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;
frame->ret_offset = 0;
if ((uint8 *)(outs_area->operand + function->const_cell_num + argc)
> exec_env->wasm_stack.s.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 (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_get_exception(module_inst)) {
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
LOG_DEBUG("meet an exception %s", wasm_get_exception(module_inst));
}
wasm_exec_env_set_cur_frame(exec_env, prev_frame);
FREE_FRAME(exec_env, frame);
#if WASM_ENABLE_OPCODE_COUNTER != 0
wasm_interp_dump_op_count();
#endif
}
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