MethodBlock* MethodBlock::if_test(DexOpcode if_op,
Location first,
Location second) {
always_assert(OPCODE_IF_EQ <= if_op && if_op <= OPCODE_IF_LE);
DexInstruction* op = new DexInstruction(if_op);
op->set_src(0, reg_num(first));
op->set_src(1, reg_num(second));
return make_if_block(op);
}
MethodBlock* MethodBlock::if_else_test(DexCodeItemOpcode if_op,
Location first,
Location second,
MethodBlock** true_block) {
always_assert(OPCODE_IF_EQ <= if_op && if_op <= OPCODE_IF_LE);
DexOpcode* op = new DexOpcode(if_op);
op->set_src(0, reg_num(first));
op->set_src(1, reg_num(second));
return make_if_else_block(op, true_block);
}
void MethodBlock::binop_2addr(DexOpcode op,
const Location& dest,
const Location& src) {
always_assert(OPCODE_ADD_INT_2ADDR <= op && op <= OPCODE_REM_DOUBLE_2ADDR);
always_assert(dest.type == src.type);
DexInstruction* insn = new DexInstruction(op);
insn->set_src(0, reg_num(dest));
insn->set_src(1, reg_num(src));
push_instruction(insn);
}
void MethodBlock::sfield_op(DexOpcode opcode,
DexField* field,
Location& src_or_dst) {
always_assert(is_sfield_op(opcode));
if (is_sget(opcode)) {
auto sget = new DexOpcodeField(opcode, field);
sget->set_dest(reg_num(src_or_dst));
src_or_dst.type = field->get_class();
push_instruction(sget);
} else {
auto sput = new DexOpcodeField(opcode, field);
sput->set_src(0, reg_num(src_or_dst));
push_instruction(sput);
}
}
void MethodBlock::load_const(Location& loc, DexString* value) {
always_assert(!loc.is_wide());
DexInstruction* load = new DexOpcodeString(OPCODE_CONST_STRING, value);
load->set_dest(reg_num(loc));
loc.type = get_string_type();
push_instruction(load);
}
void MethodBlock::load_const(Location& loc, DexType* value) {
always_assert(!loc.is_wide());
DexInstruction* load = new DexOpcodeType(OPCODE_CONST_CLASS, value);
load->set_dest(reg_num(loc));
loc.type = get_class_type();
push_instruction(load);
}
MethodBlock* MethodBlock::if_else_testz(DexOpcode if_op,
Location test,
MethodBlock** true_block) {
always_assert(OPCODE_IF_EQZ <= if_op && if_op <= OPCODE_IF_LEZ);
DexInstruction* op = new DexInstruction(if_op);
op->set_src(0, reg_num(test));
return make_if_else_block(op, true_block);
}
void MethodBlock::load_const(Location& loc, int32_t value) {
always_assert(!loc.is_wide());
DexOpcode* load = new DexOpcode(OPCODE_CONST_16);
load->set_dest(reg_num(loc));
load->set_literal(value);
loc.type = get_int_type();
push_opcode(load);
}
void MethodBlock::load_null(Location& loc) {
always_assert(!loc.is_wide());
DexInstruction* load = new DexInstruction(OPCODE_CONST_4);
load->set_dest(reg_num(loc));
load->set_literal(0);
loc.type = get_object_type();
push_instruction(load);
}
void MethodBlock::load_const(Location& loc, double value) {
always_assert(loc.is_wide());
DexInstruction* load = new DexInstruction(OPCODE_CONST_WIDE);
load->set_dest(reg_num(loc));
load->set_literal(value);
loc.type = get_double_type();
push_instruction(load);
}
void MethodBlock::move(Location src, Location& dst) {
always_assert(src.is_compatible(dst.type));
auto ch = type_shorty(dst.type);
assert(ch != 'V');
DexOpcode opcode;
if (ch == 'L')
opcode = OPCODE_MOVE_OBJECT;
else if (ch == 'J' || ch == 'D')
opcode = OPCODE_MOVE_WIDE;
else
opcode = OPCODE_MOVE;
DexInstruction* move = new DexInstruction(opcode);
move->set_dest(reg_num(dst));
move->set_src(0, reg_num(src));
dst.type = src.type;
push_instruction(move);
}
void MethodBlock::ifield_op(DexCodeItemOpcode opcode,
DexField* field,
Location obj,
Location& src_or_dst) {
always_assert(is_ifield_op(opcode));
if (is_iget(opcode)) {
auto iget = new DexOpcodeField(opcode, field);
iget->set_dest(reg_num(src_or_dst));
src_or_dst.type = field->get_class();
iget->set_src(0, reg_num(obj));
push_opcode(iget);
} else {
auto iput = new DexOpcodeField(opcode, field);
iput->set_src(0, reg_num(src_or_dst));
iput->set_src(1, reg_num(obj));
push_opcode(iput);
}
}
void MethodBlock::invoke(DexOpcode opcode,
DexMethod* meth,
std::vector<Location>& args) {
always_assert(is_invoke(opcode));
auto invk = new DexOpcodeMethod(opcode, meth, 0);
uint16_t arg_count = static_cast<uint16_t>(args.size());
invk->set_arg_word_count(arg_count);
for (uint16_t i = 0; i < arg_count; i++) {
auto arg = args[i];
invk->set_src(i, reg_num(arg));
}
if (arg_count > mc->out_count) mc->out_count = arg_count;
push_instruction(invk);
}
void MethodBlock::ret(Location loc) {
auto ch = type_shorty(loc.type);
assert(ch != 'V');
DexOpcode opcode;
if (ch == 'L')
opcode = OPCODE_RETURN_OBJECT;
else if (ch == 'J' || ch == 'D')
opcode = OPCODE_RETURN_WIDE;
else
opcode = OPCODE_RETURN;
auto ret = new DexInstruction(opcode);
ret->set_src(0, reg_num(loc));
push_instruction(ret);
}
void MethodBlock::move_result(Location& dst, DexType* type) {
always_assert(dst.is_compatible(type));
auto ch = type_shorty(type);
assert(ch != 'V');
DexOpcode opcode;
if (ch == 'L')
opcode = OPCODE_MOVE_RESULT_OBJECT;
else if (ch == 'J' || ch == 'D')
opcode = OPCODE_MOVE_RESULT_WIDE;
else
opcode = OPCODE_MOVE_RESULT;
DexInstruction* mov_res = new DexInstruction(opcode);
mov_res->set_dest(reg_num(dst));
dst.type = type;
push_instruction(mov_res);
}
int32_t
aarch64_get_reg_s16 (sim_cpu *cpu, GReg reg, int r31_is_sp)
{
return cpu->gr[reg_num(reg)].s16;
}
uint32_t
aarch64_get_reg_u32 (sim_cpu *cpu, GReg reg, int r31_is_sp)
{
return cpu->gr[reg_num(reg)].u32;
}
int64_t
aarch64_get_reg_s64 (sim_cpu *cpu, GReg reg, int r31_is_sp)
{
return cpu->gr[reg_num(reg)].s64;
}
MethodBlock* MethodBlock::switch_op(Location test,
std::map<int, MethodBlock*>& cases) {
auto sw_opcode = new DexInstruction(OPCODE_PACKED_SWITCH);
sw_opcode->set_src(0, reg_num(test));
return make_switch_block(sw_opcode, cases);
}
MethodBlock* MethodBlock::if_testz(DexCodeItemOpcode if_op, Location test) {
always_assert(OPCODE_IF_EQZ <= if_op && if_op <= OPCODE_IF_LEZ);
DexOpcode* op = new DexOpcode(if_op);
op->set_src(0, reg_num(test));
return make_if_block(op);
}