/** Fall-through virtual address. A block's fall-through address is the virtual address that follows the last byte of the
* block's last instruction. The block must have instructions (e.g., it cannot be a strict data block). */
rose_addr_t
SgAsmBlock::get_fallthrough_va()
{
ROSE_ASSERT(!get_statementList().empty());
SgAsmInstruction *last = isSgAsmInstruction(get_statementList().back());
ROSE_ASSERT(last!=NULL);
return last->get_address() + last->get_size();
}
SgAsmInstruction*
InstructionProvider::operator[](rose_addr_t va) const {
SgAsmInstruction *insn = NULL;
if (!insnMap_.getOptional(va).assignTo(insn)) {
if (useDisassembler_ && memMap_.at(va).require(MemoryMap::EXECUTABLE).exists()) {
try {
insn = disassembler_->disassembleOne(&memMap_, va);
} catch (const Disassembler::Exception &e) {
insn = disassembler_->make_unknown_instruction(e);
ASSERT_not_null(insn);
uint8_t byte;
if (1==memMap_.at(va).limit(1).require(MemoryMap::EXECUTABLE).read(&byte).size())
insn->set_raw_bytes(SgUnsignedCharList(1, byte));
ASSERT_require(insn->get_address()==va);
ASSERT_require(insn->get_size()==1);
}
}
insnMap_.insert(va, insn);
}
return insn;
}
