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mutator_CU.cpp
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mutator_CU.cpp
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#include <stdio.h>
#include <vector>
#include <string>
#include <string.h>
#include <iostream>
#include <fstream>
#include <filesystem>
#include <algorithm>
#include <random>
#include <cassert>
#include <map>
#include "wtype.h"
#include "coding.h"
using namespace std;
std::random_device rd;
std::mt19937 e(rd());
std::uniform_int_distribution<uint64_t> u(0, 2000);
int rand() {
return u(e);
}
uint8_t wasmBuffer[10000000];
bool checkInstr[10000000];
vector<uint8>TypeInfo[1000];
vector<uint8>TypeInfoRet[1000];
vector<pair<uint32, uint8>>Locals;
vector<pair<uint8, uint8>>Globals;
vector<uint32>FuncType;
vector<uint8>curStack;
vector<uint8>postStack;
vector<pair<int, uint8>>localused;
vector<pair<int, uint8>>globalused;
vector<int>funcRefTable[200];
int import_cnt = 0;
const int MEM_LIM = 255;
vector<string>splits;
bool SplitMod = false;
int skip_block = 0;
bool MutationMod = false;
bool SimpleMutationMod = false;
// #define debugON
#ifdef debugON
#define debug(x) (cout << x << endl)
#else
#define debug(x)
#endif
void ClearStack() {
postStack.clear();
curStack.clear();
localused.clear();
globalused.clear();
}
uint8 TryPop() {
if(skip_block != 0) return I32;
// printf("TryPop unkown type\n");
if(curStack.size() == 0) {
postStack.push_back((uint8)TBD);
return TBD;
}
uint8 ret = curStack.back();
curStack.pop_back();
return ret;
}
void TryPop(uint8 t) {
if(skip_block != 0) return;
// printf("TryPop %u\n", t);
if(curStack.size() == 0) {
postStack.push_back(t);
return;
}
uint8 curType = curStack.back();
if(curType == TBD) {
curStack.pop_back();
return;
}
if(curType != (uint8)t) {
// I think it will not happen in generateInfo
// cout << "Element type is not the same " << +curType << " " << +t << endl;
// Maybe need to insert a convert instruction?
}
curStack.pop_back();
}
void Push(uint8 t) {
if(skip_block != 0) return;
// printf("Push %u\n", t);
curStack.push_back((uint8)t);
}
uint8 GetLocal(int id) {
int tot = 0;
for(auto p : Locals) {
int cnt = p.first;
uint8 type = p.second;
if(cnt + tot > id) {
pair<int, uint8> locl = make_pair(id, type);
if(find(localused.begin(), localused.end(), locl) == localused.end())
localused.push_back(locl);
// debug("Local get " << +type);
return type;
}
tot += cnt;
}
printf("Wrong Local ID %d Maybe?\n", id);
return (uint8)I32;
}
uint8 GetGlobal(int id) {
if(id > Globals.size()) {
printf("Wrong Gobal ID Maybe?\n");
return (uint8)I32;
}
pair<int, uint8> globl = make_pair(id, Globals[id].first);
if(find(globalused.begin(), globalused.end(), globl) == globalused.end())
globalused.push_back(globl);
return Globals[id].first;
}
uint32 readu32(int &pos, uint8 *buffer) {
uint32_t Result = 0;
uint32_t Offset = 0;
uint8 Byte = 0x80;
while (Byte & 0x80) {
Byte = buffer[pos++];
// cout << hex << +(Byte & UINT32_C(0x7F)) << endl;
Result |= (Byte & UINT32_C(0x7F)) << Offset;
Offset += 7;
}
return Result;
}
void writeu32(vector<uint8>&newCode, uint32 result) {
do {
// debug(result);
uint8 byte = result & UINT32_C(0x7F);
result >>= 7;
if(result > 0) byte |= 0x80;
newCode.push_back(byte);
} while(result);
// debug(' ');
}
template<typename retType, int N>retType readsN(int &pos, uint8 *buffer) {
retType Result = 0;
uint8 Offset = 0;
uint8 RemainingBits = N;
while(true) {
uint8 Byte = buffer[pos++];
uint8 HighestBitMask = 1 << 7;
uint8 SecondHighestBitMask = 1 << 6;
if (Byte & HighestBitMask) {
// The byte has leading 1. It contains 7 bits payload.
make_unsigned_t<retType> Payload = Byte & (~HighestBitMask); // & 0b01111111
Result |= (Payload << Offset);
Offset += 7;
RemainingBits -= 7;
} else {
// The byte has leading 0. It will be the last byte.
// The number of bits that take effect in the byte. Since RemainingBits
// must be at least 1, EffectiveBits also must be at least 1. It is also
// at most 7.
retType Payload = Byte;
if (Byte & SecondHighestBitMask) {
// The byte is signed.
Payload -= (1 << 7);
} else {
// The byte is unsigned.
}
Result |= (Payload << Offset);
break;
}
}
return Result;
}
template<typename retType, int N>void writesN(retType res, vector<uint8>&code) {
uint8 Offset = 0;
int RemainingBits = N;
retType f = 0;
if(res < 0) f = -1;
do {
uint8 HighestBitMask = 1 << 7;
uint8 SecondHighestBitMask = 1 << 6;
uint8 Byte = res & (~HighestBitMask);
// cout << hex << +Byte << ' ';
res >>= 7;
if(res != f) {
// cout << "Normal Write" << endl;
code.push_back(Byte | HighestBitMask);
} else {
if(f == 0) {
// cout << " f = 0 " << endl;
if(Byte & SecondHighestBitMask) {
// cout << "More one byte" << endl;
code.push_back(Byte | HighestBitMask);
code.push_back(0);
} else code.push_back(Byte);
} else {
// cout << " f= -1" << endl;
if(Byte & SecondHighestBitMask) {
code.push_back(Byte);
} else {
// cout << "More one byte" << endl;
code.push_back(Byte | HighestBitMask);
code.push_back(~HighestBitMask);
}
}
break;
}
RemainingBits -= 7;
} while(res && RemainingBits > 0);
}
int reads32(int &pos, uint8*buffer) {
return readsN<int, 32>(pos, buffer);
}
int64 reads64(int &pos, uint8 *buffer) {
return readsN<int64, 64>(pos, buffer);
}
int64 reads33(int &pos, uint8 *buffer) {
return readsN<int64, 33>(pos, buffer);
}
void writes32(int res, vector<uint8>&code) {
writesN<int, 32>(res, code);
}
void writes33(int res, vector<uint8>&code) {
writesN<int64, 33>(res, code);
}
void writes64(int res, vector<uint8>&code) {
writesN<int, 64>(res, code);
}
int64 readu64(int &pos, uint8*buffer) {
int64 Result = 0;
uint32_t Offset = 0;
uint8 Byte = 0x80;
while (Byte & 0x80) {
Byte = buffer[pos++];
// cout << hex << +(Byte & UINT32_C(0x7F)) << endl;
Result |= (Byte & UINT64_C(0x7F)) << Offset;
Offset += 7;
}
return Result;
}
int instrDep[100000000];
vector<uint8>recpStack[20],reccStack[20];
bool isIF[20];
void recordStack(int dep) {
recpStack[dep].clear();
reccStack[dep].clear();
for(auto k : postStack)
recpStack[dep].push_back(k);
for(auto k : curStack)
reccStack[dep].push_back(k);
}
void resumeStack(int dep) {
postStack.clear();
curStack.clear();
for(auto k : recpStack[dep])
postStack.push_back(k);
for(auto k : reccStack[dep])
curStack.push_back(k);
}
// give code start address and end address
bool GenerateInfo(int p, int p_end, bool can_return = true) {
ClearStack();
uint8 opcode;
uint32 local_idx, global_idx, align, mem_offset, opcode1;
int i32_const;
int64 i64_const;
int block_dep = 0, jump_dep = 0;
skip_block = 0;
while (p < p_end) {
checkInstr[p] = true;
instrDep[p] = block_dep;
opcode = wasmBuffer[p++];
switch (opcode) {
case WASM_OP_UNREACHABLE:
debug("UNREACHABLE");
if(can_return)
return false;
case WASM_OP_NOP:
debug("NOP");
break;
case WASM_OP_IF:
TryPop(I32);
case WASM_OP_BLOCK:
case WASM_OP_LOOP:
debug("IF/BLOCK/LOOP");
i64_const = reads33(p, wasmBuffer);
if(i64_const != 0x40) {
// 0x40 is a empty loop
if(i64_const < 0) {
Push(0x7f - (i64_const & (0x7f)));
} else {
for(auto x :TypeInfo[i32_const])
TryPop(x);
for(auto x :TypeInfoRet[i32_const])
Push(x);
}
}
skip_block += 1;
block_dep++;
break;
case WASM_OP_ELSE:
if(block_dep == 0 && can_return)
return false;
break;
case WASM_OP_END:
debug("END");
block_dep--;
if(skip_block > 0) skip_block--;
if(block_dep < 0) return false;
break;
case WASM_OP_BR_IF:
TryPop(I32);
case WASM_OP_BR:
debug("BR");
jump_dep = readu32(p, wasmBuffer);
if(block_dep == 0 || jump_dep >= block_dep)
if(can_return)
return false;
if(opcode == WASM_OP_BR && skip_block == 0) skip_block = jump_dep + 1;
break;
case WASM_OP_BR_TABLE:
// cout << "BR_TABLE" << endl;
debug("Start P " << p);
// for(int i = p; i < p + 5; i++)
// cout << hex << +wasmBuffer[i] << dec << ' ';
// cout << endl;
jump_dep = readu32(p, wasmBuffer);
// printf("Br Table cnt %d\n", jump_dep);
TryPop(I32);
for(int i = 0; i < jump_dep; i++)
readu32(p, wasmBuffer);
readu32(p, wasmBuffer);
debug("End P " << p);
if(can_return)
return false;
break;
case WASM_OP_RETURN:
if(can_return)
return false;
break;
case WASM_OP_CALL_INDIRECT:
case WASM_OP_RETURN_CALL_INDIRECT:
global_idx = readu32(p, wasmBuffer);
TryPop(I32);
case WASM_OP_CALL:
case WASM_OP_RETURN_CALL:
local_idx = readu32(p, wasmBuffer);
debug("Call" << local_idx);
if(can_return)
return false;
break;
case WASM_OP_DROP:
{
debug("DROP");
TryPop();
break;
}
case WASM_OP_SELECT:
{
debug("SELECT");
TryPop(I32);
uint8 tid = TryPop();
TryPop(tid);
Push(tid);
break;
}
case WASM_OP_GET_LOCAL:
{
local_idx = readu32(p, wasmBuffer);
debug("GET_LOCAL " << local_idx);
Push(GetLocal(local_idx));
break;
}
case WASM_OP_SET_LOCAL:
{
local_idx = readu32(p, wasmBuffer);
debug("SET_LOCAL " << local_idx);
TryPop(GetLocal(local_idx));
break;
}
case WASM_OP_TEE_LOCAL:
{
local_idx = readu32(p, wasmBuffer);
debug("TEE_LOCAL " << local_idx);
uint8 local_type = GetLocal(local_idx);
TryPop(local_type);
Push(local_type);
break;
}
case WASM_OP_GET_GLOBAL:
{
global_idx = readu32(p, wasmBuffer);
debug("GET_GLOBAL " << global_idx);
Push(GetGlobal(global_idx));
break;
}
case WASM_OP_SET_GLOBAL:
{
global_idx = readu32(p, wasmBuffer);
debug("SET_GLOBAL " << global_idx);
uint8 Global_type = GetGlobal(global_idx);
TryPop(Global_type);
break;
}
/* load */
case WASM_OP_I32_LOAD:
case WASM_OP_I32_LOAD8_S:
case WASM_OP_I32_LOAD8_U:
case WASM_OP_I32_LOAD16_S:
case WASM_OP_I32_LOAD16_U:
case WASM_OP_I64_LOAD:
case WASM_OP_I64_LOAD8_S:
case WASM_OP_I64_LOAD8_U:
case WASM_OP_I64_LOAD16_S:
case WASM_OP_I64_LOAD16_U:
case WASM_OP_I64_LOAD32_S:
case WASM_OP_I64_LOAD32_U:
case WASM_OP_F32_LOAD:
case WASM_OP_F64_LOAD:
/* store */
case WASM_OP_I32_STORE:
case WASM_OP_I32_STORE8:
case WASM_OP_I32_STORE16:
case WASM_OP_I64_STORE:
case WASM_OP_I64_STORE8:
case WASM_OP_I64_STORE16:
case WASM_OP_I64_STORE32:
case WASM_OP_F32_STORE:
case WASM_OP_F64_STORE:
{
align = readu32(p, wasmBuffer);;
mem_offset = readu32(p, wasmBuffer);;
switch (opcode) {
/* load */
case WASM_OP_I32_LOAD:
case WASM_OP_I32_LOAD8_S:
case WASM_OP_I32_LOAD8_U:
case WASM_OP_I32_LOAD16_S:
case WASM_OP_I32_LOAD16_U:
debug("LOAD");
TryPop(I32);
Push(I32);
break;
case WASM_OP_I64_LOAD:
case WASM_OP_I64_LOAD8_S:
case WASM_OP_I64_LOAD8_U:
case WASM_OP_I64_LOAD16_S:
case WASM_OP_I64_LOAD16_U:
case WASM_OP_I64_LOAD32_S:
case WASM_OP_I64_LOAD32_U:
debug("LOAD");
TryPop(I32);
Push(I64);
break;
case WASM_OP_F32_LOAD:
debug("LOAD");
TryPop(I32);
Push(F32);
break;
case WASM_OP_F64_LOAD:
debug("LOAD");
TryPop(I32);
Push(F64);
break;
/* store */
case WASM_OP_I32_STORE:
case WASM_OP_I32_STORE8:
case WASM_OP_I32_STORE16:
debug("STORE");
TryPop(I32);
TryPop(I32);
break;
case WASM_OP_I64_STORE:
case WASM_OP_I64_STORE8:
case WASM_OP_I64_STORE16:
case WASM_OP_I64_STORE32:
debug("STORE");
TryPop(I64);
TryPop(I32);
break;
case WASM_OP_F32_STORE:
debug("STORE");
TryPop(F32);
TryPop(I32);
break;
case WASM_OP_F64_STORE:
debug("STORE");
TryPop(F64);
TryPop(I32);
break;
default:
debug("UNKOWN LOAD/STORE");
break;
}
break;
}
case WASM_OP_MEMORY_SIZE:
debug("MEMORY_SIZE");
p++; // Maybe Need a check , I dont know why need it
Push(I32);
break;
case WASM_OP_MEMORY_GROW:
debug("MEMORY_GROW");
p++;
TryPop(I32);
Push(I32);
break;
case WASM_OP_I32_CONST:
debug("I32_CONST");
i32_const = readu32(p, wasmBuffer);
Push(I32);
break;
case WASM_OP_I64_CONST:
debug("I64_CONST");
i64_const = reads64(p, wasmBuffer);
Push(I64);
break;
case WASM_OP_F32_CONST:
debug("F32_CONST");
p += 4;
Push(F32);
break;
case WASM_OP_F64_CONST:
debug("F64_CONST");
p += 8;
Push(F64);
break;
case WASM_OP_I32_EQZ:
debug("I32_EQZ");
TryPop(I32);
Push(I32);
break;
case WASM_OP_I32_EQ:
case WASM_OP_I32_NE:
case WASM_OP_I32_LT_S:
case WASM_OP_I32_LT_U:
case WASM_OP_I32_GT_S:
case WASM_OP_I32_GT_U:
case WASM_OP_I32_LE_S:
case WASM_OP_I32_LE_U:
case WASM_OP_I32_GE_S:
case WASM_OP_I32_GE_U:
debug("I32_COMPARE");
TryPop(I32);
TryPop(I32);
Push(I32);
break;
case WASM_OP_I64_EQZ:
debug("I64_EQZ");
TryPop(I64);
Push(I32);
break;
case WASM_OP_I64_EQ:
case WASM_OP_I64_NE:
case WASM_OP_I64_LT_S:
case WASM_OP_I64_LT_U:
case WASM_OP_I64_GT_S:
case WASM_OP_I64_GT_U:
case WASM_OP_I64_LE_S:
case WASM_OP_I64_LE_U:
case WASM_OP_I64_GE_S:
case WASM_OP_I64_GE_U:
debug("I64_COMPARE");
TryPop(I64);
TryPop(I64);
Push(I32);
break;
case WASM_OP_F32_EQ:
case WASM_OP_F32_NE:
case WASM_OP_F32_LT:
case WASM_OP_F32_GT:
case WASM_OP_F32_LE:
case WASM_OP_F32_GE:
debug("F32_COMPARE");
TryPop(F32);
TryPop(F32);
Push(I32);
break;
case WASM_OP_F64_EQ:
case WASM_OP_F64_NE:
case WASM_OP_F64_LT:
case WASM_OP_F64_GT:
case WASM_OP_F64_LE:
case WASM_OP_F64_GE:
debug("F64_COMPARE");
TryPop(F64);
TryPop(F64);
Push(I32);
break;
case WASM_OP_I32_CLZ:
case WASM_OP_I32_CTZ:
case WASM_OP_I32_POPCNT:
debug("I32_UNKOWN");
TryPop(I32);
Push(I32);
break;
case WASM_OP_I32_ADD:
case WASM_OP_I32_SUB:
case WASM_OP_I32_MUL:
case WASM_OP_I32_DIV_S:
case WASM_OP_I32_DIV_U:
case WASM_OP_I32_REM_S:
case WASM_OP_I32_REM_U:
case WASM_OP_I32_AND:
case WASM_OP_I32_OR:
case WASM_OP_I32_XOR:
case WASM_OP_I32_SHL:
case WASM_OP_I32_SHR_S:
case WASM_OP_I32_SHR_U:
case WASM_OP_I32_ROTL:
case WASM_OP_I32_ROTR:
debug("I32_MATH");
TryPop(I32);
TryPop(I32);
Push(I32);
break;
case WASM_OP_I64_CLZ:
case WASM_OP_I64_CTZ:
case WASM_OP_I64_POPCNT:
debug("I64_UNKOWN");
TryPop(I64);
Push(I64);
break;
case WASM_OP_I64_ADD:
case WASM_OP_I64_SUB:
case WASM_OP_I64_MUL:
case WASM_OP_I64_DIV_S:
case WASM_OP_I64_DIV_U:
case WASM_OP_I64_REM_S:
case WASM_OP_I64_REM_U:
case WASM_OP_I64_AND:
case WASM_OP_I64_OR:
case WASM_OP_I64_XOR:
case WASM_OP_I64_SHL:
case WASM_OP_I64_SHR_S:
case WASM_OP_I64_SHR_U:
case WASM_OP_I64_ROTL:
case WASM_OP_I64_ROTR:
debug("I64_MATH");
TryPop(I64);
TryPop(I64);
Push(I64);
break;
case WASM_OP_F32_ABS:
case WASM_OP_F32_NEG:
case WASM_OP_F32_CEIL:
case WASM_OP_F32_FLOOR:
case WASM_OP_F32_TRUNC:
case WASM_OP_F32_NEAREST:
case WASM_OP_F32_SQRT:
debug("F32_OP");
TryPop(F32);
Push(F32);
break;
case WASM_OP_F32_ADD:
case WASM_OP_F32_SUB:
case WASM_OP_F32_MUL:
case WASM_OP_F32_DIV:
case WASM_OP_F32_MIN:
case WASM_OP_F32_MAX:
case WASM_OP_F32_COPYSIGN:
debug("F32_MATH");
TryPop(F32);
TryPop(F32);
Push(F32);
break;
case WASM_OP_F64_ABS:
case WASM_OP_F64_NEG:
case WASM_OP_F64_CEIL:
case WASM_OP_F64_FLOOR:
case WASM_OP_F64_TRUNC:
case WASM_OP_F64_NEAREST:
case WASM_OP_F64_SQRT:
debug("F64_OP");
TryPop(F64);
Push(F64);
break;
case WASM_OP_F64_ADD:
case WASM_OP_F64_SUB:
case WASM_OP_F64_MUL:
case WASM_OP_F64_DIV:
case WASM_OP_F64_MIN:
case WASM_OP_F64_MAX:
case WASM_OP_F64_COPYSIGN:
debug("F64_MATH");
TryPop(F64);
TryPop(F64);
Push(F64);
break;
case WASM_OP_I32_WRAP_I64:
debug("I32_WRAP_I64");
TryPop(I64);
Push(I32);
break;
case WASM_OP_I32_TRUNC_S_F32:
case WASM_OP_I32_TRUNC_U_F32:
debug("I32_TRUNC_F32");
TryPop(F32);
Push(I32);
break;
case WASM_OP_I32_TRUNC_S_F64:
case WASM_OP_I32_TRUNC_U_F64:
debug("I32_TRUNC_F64");
TryPop(F64);
Push(I32);
break;
case WASM_OP_I64_EXTEND_S_I32:
case WASM_OP_I64_EXTEND_U_I32:
debug("EXTEND");
TryPop(I32);
Push(I64);
break;
case WASM_OP_I64_TRUNC_S_F32:
case WASM_OP_I64_TRUNC_U_F32:
TryPop(F32);
Push(I64);
break;
case WASM_OP_I64_TRUNC_S_F64:
case WASM_OP_I64_TRUNC_U_F64:
TryPop(F64);
Push(I64);
break;
case WASM_OP_F32_CONVERT_S_I32:
case WASM_OP_F32_CONVERT_U_I32:
TryPop(I32);
Push(F32);
break;
case WASM_OP_F32_CONVERT_S_I64:
case WASM_OP_F32_CONVERT_U_I64:
TryPop(I64);
Push(F32);
break;
case WASM_OP_F32_DEMOTE_F64:
TryPop(F64);
Push(F32);
break;
case WASM_OP_F64_CONVERT_S_I32:
case WASM_OP_F64_CONVERT_U_I32:
TryPop(I32);
Push(F64);
break;
case WASM_OP_F64_CONVERT_S_I64:
case WASM_OP_F64_CONVERT_U_I64:
TryPop(I64);
Push(F64);
break;
case WASM_OP_F64_PROMOTE_F32:
TryPop(F32);
Push(F64);
break;
case WASM_OP_I32_REINTERPRET_F32:
TryPop(F32);
Push(I32);
break;
case WASM_OP_I64_REINTERPRET_F64:
TryPop(F64);
Push(I64);
break;
case WASM_OP_F32_REINTERPRET_I32:
TryPop(I32);
Push(F32);
break;
case WASM_OP_F64_REINTERPRET_I64:
TryPop(I64);
Push(F64);
break;
case WASM_OP_I32_EXTEND8_S:
case WASM_OP_I32_EXTEND16_S:
TryPop(I32);
Push(I32);
break;
case WASM_OP_I64_EXTEND8_S:
case WASM_OP_I64_EXTEND16_S:
case WASM_OP_I64_EXTEND32_S:
TryPop(I64);
Push(I64);
break;
case WASM_OP_MISC_PREFIX:
{
opcode1 = readu32(p, wasmBuffer);
switch (opcode1) {
case WASM_OP_I32_TRUNC_SAT_S_F32:
case WASM_OP_I32_TRUNC_SAT_U_F32:
TryPop(F32);
Push(I32);
break;
case WASM_OP_I32_TRUNC_SAT_S_F64:
case WASM_OP_I32_TRUNC_SAT_U_F64:
TryPop(F64);
Push(I32);
break;
case WASM_OP_I64_TRUNC_SAT_S_F32:
case WASM_OP_I64_TRUNC_SAT_U_F32:
TryPop(F32);
Push(I64);
break;
case WASM_OP_I64_TRUNC_SAT_S_F64:
case WASM_OP_I64_TRUNC_SAT_U_F64:
TryPop(F64);
Push(I64);
break;
default:
// printf("Error in MISC PREFIX\n");
return false;
}
break;
}
default:
// printf("Unkown Op %u\n", opcode);
return false;
}
}
if(block_dep == 0)
return true;
else return false;
}
map<int, int>SplitCnt;
// void TrySplit(int p, int p_end, int siz) {
// cout << " = = = = = = = = " << p << ' ' << p_end << ' ' << siz << " = = = = = = = = " << endl;
// if(p_end - p < siz * 2) return;
// // first try size of 3
// for(int i = 0; i < 100; i++) {
// int p_st = p + rand() % (p_end - p - siz + 1);
// if(checkInstr[p_st] != true || p_st + siz > p_end) continue;
// ClearStack();
// cout << "------------------ " << p_st << " -------------" << endl;
// // PrintInstr(p_st, p_st + siz);
// if(GenerateInfo(p_st, p_st + siz)) {
// // how to save splits? what's a question
// cout << "It's a good split " << p_st << " -> " << p_st + siz << endl;
// PrintInstr(p_st, p_st + siz);
// reverse(postStack.begin(), postStack.end());
// }
// }
// }
const int mod = 1e7+7;
string split_file;
int HashID(vector<uint8>&p, vector<uint8>&c) {
int h = 0;
for(auto i : p)
h = (h * 5 + i) % mod;
h = (h * 5 + 4) % mod;
for(auto i : c)
h = (h * 5 + i) % mod;
return mod;
}
void TrySplit(int p, int p_end, char*dir) {
for(int i = p; i < p_end; i++)
checkInstr[i] = false;
// PrintInstr(p, p_end);
vector<int>endVec;
GenerateInfo(p, p_end, 0);
for(int i = p; i < p_end - 11; i ++) {
if(checkInstr[i] == true) {
// Could start here!
int www = 0;
for(int ww = 0; ww < 30; ww++){
int j = rand() % min(p_end - i - 10, 71) + i + 10;
if(checkInstr[j] != true || instrDep[j] != instrDep[i]) continue;
www += 1;
if(GenerateInfo(i, j)){
reverse(postStack.begin(), postStack.end());
// printf("--------------\n");
// PrintInstr(i, j);
// for(auto k : postStack)
// cout << +k << ' ';
// cout << endl;
// for(auto k : curStack)
// cout << +k << ' ';
// cout << endl << "-----" << endl;
bool f = true;
for(auto k : postStack)
if(k == TBD) f = false;
for(auto k : curStack)
if(k == TBD) f = false;
if(f == false) continue;
int hash_id = HashID(postStack, curStack);
if(SplitCnt.find(hash_id) == SplitCnt.end()) SplitCnt[hash_id] = 0;
if(SplitCnt[hash_id] > 3 && (rand() % (5 * SplitCnt[hash_id]) != 0)) continue;
SplitCnt[hash_id] ++;
int file_id = encoder(dir, wasmBuffer, i, j, curStack, postStack, localused, globalused, split_file);
std::cout << file_id << endl;
printf("Success at %d with length %d\n", www, j - i);
i = j - 1;
break;
// stringstream ss;
// ss << hex << file_id;
// print("/home/unicornt/WASM/WasmSynthesis/splits/split-" + ss.str());
}
}
}
}
}
int GetSuitableLocal(uint8 type) {
int id = 0;
int rid = -1;
for(auto l : Locals) {
if(l.second == type) {
if(rid == -1 || rand() & 1)
rid = id + rand() % l.first;
}
id += l.first;
}
return rid;
}
int GetSuitableGlobal(uint8 type, bool mut = false) {
int id = 0;
int rid = -1;
for(int i = 1; i < Globals.size(); i++) {
if(Globals[i].first == type) {
if(mut) {
if(Globals[i].second == 1 && ((rand() & 1) || rid == -1) ) rid = i;
} else {
if((rand() & 1) || rid == -1) rid = i;
}
}
}
return rid;
}
void GenPreMem(vector<uint8>&code, uint8 opcode, uint8 type) {
int id = -1;