You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
1.4 KiB
26 lines
1.4 KiB
#include <vm_lifters.hpp>
|
|
|
|
namespace vm
|
|
{
|
|
lifters_t::lifter_callback_t lifters_t::readcr8 =
|
|
[ & ]( vm::devirt_t *rtn, const vm::instrs::code_block_t &vm_code_block, const vm::instrs::virt_instr_t &vinstr,
|
|
llvm::IRBuilder<> *ir_builder ) {
|
|
llvm::Function *readcr8_intrin = nullptr;
|
|
if ( !( readcr8_intrin = rtn->llvm_module->getFunction( "readcr8" ) ) )
|
|
{
|
|
readcr8_intrin = llvm::Function::Create( llvm::FunctionType::get( ir_builder->getInt64Ty(), false ),
|
|
llvm::GlobalValue::LinkageTypes::ExternalLinkage );
|
|
|
|
auto entry_block = llvm::BasicBlock::Create( ir_builder->getContext(), "", readcr8_intrin );
|
|
auto ib = ir_builder->GetInsertBlock();
|
|
ir_builder->SetInsertPoint( entry_block );
|
|
auto intrin = llvm::InlineAsm::get( llvm::FunctionType::get( ir_builder->getVoidTy(), false ),
|
|
"mov rax, cr8; ret", "", false, false, llvm::InlineAsm::AD_Intel );
|
|
ir_builder->CreateCall( intrin );
|
|
ir_builder->CreateRetVoid(); // TODO: dont return VOID here...
|
|
ir_builder->SetInsertPoint( ib );
|
|
}
|
|
auto t1 = ir_builder->CreateCall( readcr8_intrin );
|
|
rtn->push( 8, t1 );
|
|
};
|
|
} |