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[wasm] Remove non-const arguments from interpreter

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R=ahaas@chromium.org

Bug: v8:9429, v8:9396
Change-Id: If26b9a480261c1625b6844b05de5323648ab34b6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1687544
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62625}
This commit is contained in:
Clemens Hammacher 2019-07-09 18:07:55 +02:00 committed by Commit Bot
parent f41d3a9b89
commit 3a8e6fb72f
1 changed files with 95 additions and 99 deletions
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70
src/wasm/wasm-interpreter.cc
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@ -1665,8 +1665,7 @@ class ThreadImpl {
template <typename ctype, typename mtype>
bool ExecuteLoad(Decoder* decoder, InterpreterCode* code, pc_t pc,
int& len, // NOLINT(runtime/references)
MachineRepresentation rep) {
int* const len, MachineRepresentation rep) {
MemoryAccessImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc),
sizeof(ctype));
uint32_t index = Pop().to<uint32_t>();
@ -1679,7 +1678,7 @@ class ThreadImpl {
converter<ctype, mtype>{}(ReadLittleEndianValue<mtype>(addr)));
Push(result);
len = 1 + imm.length;
*len = 1 + imm.length;
if (FLAG_trace_wasm_memory) {
MemoryTracingInfo info(imm.offset + index, false, rep);
@ -1693,8 +1692,7 @@ class ThreadImpl {
template <typename ctype, typename mtype>
bool ExecuteStore(Decoder* decoder, InterpreterCode* code, pc_t pc,
int& len, // NOLINT(runtime/references)
MachineRepresentation rep) {
int* const len, MachineRepresentation rep) {
MemoryAccessImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc),
sizeof(ctype));
ctype val = Pop().to<ctype>();
@ -1706,7 +1704,7 @@ class ThreadImpl {
return false;
}
WriteLittleEndianValue<mtype>(addr, converter<mtype, ctype>{}(val));
len = 1 + imm.length;
*len = 1 + imm.length;
if (FLAG_trace_wasm_memory) {
MemoryTracingInfo info(imm.offset + index, true, rep);
@ -1738,26 +1736,24 @@ class ThreadImpl {
template <typename type, typename op_type>
bool ExtractAtomicOpParams(Decoder* decoder, InterpreterCode* code,
Address& address, // NOLINT(runtime/references)
pc_t pc, int& len, // NOLINT(runtime/references)
Address* address, pc_t pc, int* const len,
type* val = nullptr, type* val2 = nullptr) {
MemoryAccessImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc + 1),
sizeof(type));
if (val2) *val2 = static_cast<type>(Pop().to<op_type>());
if (val) *val = static_cast<type>(Pop().to<op_type>());
uint32_t index = Pop().to<uint32_t>();
address = BoundsCheckMem<type>(imm.offset, index);
*address = BoundsCheckMem<type>(imm.offset, index);
if (!address) {
DoTrap(kTrapMemOutOfBounds, pc);
return false;
}
len = 2 + imm.length;
*len = 2 + imm.length;
return true;
}
bool ExecuteNumericOp(WasmOpcode opcode, Decoder* decoder,
InterpreterCode* code, pc_t pc,
int& len) { // NOLINT(runtime/references)
InterpreterCode* code, pc_t pc, int* const len) {
switch (opcode) {
case kExprI32SConvertSatF32:
Push(WasmValue(ExecuteConvertSaturate<int32_t>(Pop().to<float>())));
@ -1786,7 +1782,7 @@ class ThreadImpl {
case kExprMemoryInit: {
MemoryInitImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc));
DCHECK_LT(imm.data_segment_index, module()->num_declared_data_segments);
len += imm.length;
*len += imm.length;
if (!CheckDataSegmentIsPassiveAndNotDropped(imm.data_segment_index,
pc)) {
return false;
@ -1809,7 +1805,7 @@ class ThreadImpl {
}
case kExprDataDrop: {
DataDropImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc));
len += imm.length;
*len += imm.length;
if (!CheckDataSegmentIsPassiveAndNotDropped(imm.index, pc)) {
return false;
}
@ -1835,7 +1831,7 @@ class ThreadImpl {
memory_copy_wrapper(dst_addr, src_addr, size);
}
if (!ok) DoTrap(kTrapMemOutOfBounds, pc);
len += imm.length;
*len += imm.length;
return ok;
}
case kExprMemoryFill: {
@ -1848,12 +1844,12 @@ class ThreadImpl {
bool ok = BoundsCheckMemRange(dst, &size, &dst_addr);
memory_fill_wrapper(dst_addr, value, size);
if (!ok) DoTrap(kTrapMemOutOfBounds, pc);
len += imm.length;
*len += imm.length;
return ok;
}
case kExprTableInit: {
TableInitImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc));
len += imm.length;
*len += imm.length;
if (!CheckElemSegmentIsPassiveAndNotDropped(imm.elem_segment_index,
pc)) {
return false;
@ -1870,7 +1866,7 @@ class ThreadImpl {
}
case kExprElemDrop: {
ElemDropImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc));
len += imm.length;
*len += imm.length;
if (!CheckElemSegmentIsPassiveAndNotDropped(imm.index, pc)) {
return false;
}
@ -1887,7 +1883,7 @@ class ThreadImpl {
isolate_, instance_object_, imm.table_dst.index,
imm.table_src.index, dst, src, size);
if (!ok) DoTrap(kTrapTableOutOfBounds, pc);
len += imm.length;
*len += imm.length;
return ok;
}
case kExprTableGrow: {
@ -1901,7 +1897,7 @@ class ThreadImpl {
auto value = Pop().to_anyref();
int32_t result = WasmTableObject::Grow(isolate_, table, delta, value);
Push(WasmValue(result));
len += imm.length;
*len += imm.length;
return true;
}
case kExprTableSize: {
@ -1913,7 +1909,7 @@ class ThreadImpl {
isolate_);
uint32_t table_size = table->current_length();
Push(WasmValue(table_size));
len += imm.length;
*len += imm.length;
return true;
}
default:
@ -1947,8 +1943,7 @@ class ThreadImpl {
}
bool ExecuteAtomicOp(WasmOpcode opcode, Decoder* decoder,
InterpreterCode* code, pc_t pc,
int& len) { // NOLINT(runtime/references)
InterpreterCode* code, pc_t pc, int* const len) {
#if V8_TARGET_BIG_ENDIAN
constexpr bool kBigEndian = true;
#else
@ -1961,7 +1956,7 @@ class ThreadImpl {
type val; \
Address addr; \
op_type result; \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, addr, pc, len, \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, &addr, pc, len, \
&val)) { \
return false; \
} \
@ -2045,7 +2040,7 @@ class ThreadImpl {
type old_val; \
type new_val; \
Address addr; \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, addr, pc, len, \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, &addr, pc, len, \
&old_val, &new_val)) { \
return false; \
} \
@ -2077,7 +2072,8 @@ class ThreadImpl {
#define ATOMIC_LOAD_CASE(name, type, op_type, operation) \
case kExpr##name: { \
Address addr; \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, addr, pc, len)) { \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, &addr, pc, \
len)) { \
return false; \
} \
static_assert(sizeof(std::atomic<type>) == sizeof(type), \
@ -2100,7 +2096,7 @@ class ThreadImpl {
case kExpr##name: { \
type val; \
Address addr; \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, addr, pc, len, \
if (!ExtractAtomicOpParams<type, op_type>(decoder, code, &addr, pc, len, \
&val)) { \
return false; \
} \
@ -2155,7 +2151,7 @@ class ThreadImpl {
}
bool ExecuteSimdOp(WasmOpcode opcode, Decoder* decoder, InterpreterCode* code,
pc_t pc, int& len) { // NOLINT(runtime/references)
pc_t pc, int* const len) {
switch (opcode) {
#define SPLAT_CASE(format, sType, valType, num) \
case kExpr##format##Splat: { \
@ -2176,7 +2172,7 @@ class ThreadImpl {
#define EXTRACT_LANE_CASE(format, name) \
case kExpr##format##ExtractLane: { \
SimdLaneImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc)); \
++len; \
*len += 1; \
WasmValue val = Pop(); \
Simd128 s = val.to_s128(); \
auto ss = s.to_##name(); \
@ -2355,7 +2351,7 @@ class ThreadImpl {
#define REPLACE_LANE_CASE(format, name, stype, ctype) \
case kExpr##format##ReplaceLane: { \
SimdLaneImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc)); \
++len; \
*len += 1; \
WasmValue new_val = Pop(); \
WasmValue simd_val = Pop(); \
stype s = simd_val.to_s128().to_##name(); \
@ -2378,7 +2374,7 @@ class ThreadImpl {
#define SHIFT_CASE(op, name, stype, count, expr) \
case kExpr##op: { \
SimdShiftImmediate<Decoder::kNoValidate> imm(decoder, code->at(pc)); \
++len; \
*len += 1; \
WasmValue v = Pop(); \
stype s = v.to_s128().to_##name(); \
stype res; \
@ -2515,7 +2511,7 @@ class ThreadImpl {
case kExprS8x16Shuffle: {
Simd8x16ShuffleImmediate<Decoder::kNoValidate> imm(decoder,
code->at(pc));
len += 16;
*len += 16;
int16 v2 = Pop().to_s128().to_i8x16();
int16 v1 = Pop().to_s128().to_i8x16();
int16 res;
@ -3250,7 +3246,7 @@ class ThreadImpl {
}
#define LOAD_CASE(name, ctype, mtype, rep) \
case kExpr##name: { \
if (!ExecuteLoad<ctype, mtype>(&decoder, code, pc, len, \
if (!ExecuteLoad<ctype, mtype>(&decoder, code, pc, &len, \
MachineRepresentation::rep)) \
return; \
break; \
@ -3274,7 +3270,7 @@ class ThreadImpl {
#define STORE_CASE(name, ctype, mtype, rep) \
case kExpr##name: { \
if (!ExecuteStore<ctype, mtype>(&decoder, code, pc, len, \
if (!ExecuteStore<ctype, mtype>(&decoder, code, pc, &len, \
MachineRepresentation::rep)) \
return; \
break; \
@ -3391,16 +3387,16 @@ class ThreadImpl {
}
case kNumericPrefix: {
++len;
if (!ExecuteNumericOp(opcode, &decoder, code, pc, len)) return;
if (!ExecuteNumericOp(opcode, &decoder, code, pc, &len)) return;
break;
}
case kAtomicPrefix: {
if (!ExecuteAtomicOp(opcode, &decoder, code, pc, len)) return;
if (!ExecuteAtomicOp(opcode, &decoder, code, pc, &len)) return;
break;
}
case kSimdPrefix: {
++len;
if (!ExecuteSimdOp(opcode, &decoder, code, pc, len)) return;
if (!ExecuteSimdOp(opcode, &decoder, code, pc, &len)) return;
break;
}