Error X86Compiler::_newStack(BaseMem* mem, uint32_t size, uint32_t alignment, const char* name) {
if (size == 0)
return kErrorInvalidArgument;
if (alignment > 64)
alignment = 64;
VarData* vd = _newVd(kInvalidVar, size, kInvalidReg, name);
if (vd == NULL) {
static_cast<X86Mem*>(mem)->reset();
return getLastError();
}
vd->_isStack = true;
vd->_alignment = static_cast<uint8_t>(alignment);
static_cast<X86Mem*>(mem)->_init(kMemTypeStackIndex, vd->getId(), 0, 0);
return kErrorOk;
}
Error X86Compiler::_newVar(Var* var, uint32_t vType, const char* name, va_list ap) {
ASMJIT_ASSERT(vType < kX86VarTypeCount);
vType = _targetVarMapping[vType];
ASMJIT_ASSERT(vType != kInvalidVar);
// The assertion won't be compiled in release build, however, we want to check
// this anyway.
if (vType == kInvalidVar) {
static_cast<X86Var*>(var)->reset();
return kErrorInvalidArgument;
}
const X86VarInfo& vInfo = _x86VarInfo[vType];
char buf[64];
// Format the name if `ap` is given.
if (ap) {
vsnprintf(buf, ASMJIT_ARRAY_SIZE(buf), name, ap);
buf[ASMJIT_ARRAY_SIZE(buf) - 1] = '\0';
name = buf;
}
VarData* vd = _newVd(vType, vInfo.getSize(), vInfo.getClass(), name);
if (vd == NULL) {
static_cast<X86Var*>(var)->reset();
return getLastError();
}
var->_init_packed_op_sz_w0_id(kOperandTypeVar, vInfo.getSize(), vInfo.getReg() << 8, vd->getId());
var->_vreg.vType = vType;
return kErrorOk;
}
Error X86Compiler::_newVar(Var* var, uint32_t vType, const char* name) noexcept {
ASMJIT_ASSERT(vType < kX86VarTypeCount);
vType = _targetVarMapping[vType];
ASMJIT_ASSERT(vType != kInvalidVar);
// The assertion won't be compiled in release build, however, we want to check
// this anyway.
if (vType == kInvalidVar) {
static_cast<X86Var*>(var)->reset();
return kErrorInvalidArgument;
}
const VarInfo& vInfo = _x86VarInfo[vType];
VarData* vd = _newVd(vInfo, name);
if (vd == nullptr) {
static_cast<X86Var*>(var)->reset();
return getLastError();
}
var->_init_packed_op_sz_w0_id(Operand::kTypeVar, vInfo.getSize(), vInfo.getRegType() << 8, vd->getId());
var->_vreg.vType = vType;
return kErrorOk;
}