static
ExternalCodeRefPtr makeExtCodeRefFromString(string callName, ExternalFunctionMap &f) {
ExternalCodeRefPtr p;
bool res;
ExternalFunctionMap::CallingConvention conv;
bool isNoReturn;
int numParams;
//lookup call name in function map
string s = f.sym_sym(callName);
LASSERT(s.size() != 0, "Failure with sym_sym for symbol "+callName);
res = f.get_calling_convention(s, conv);
LASSERT(res, "Could not find calling convention for "+s);
res = f.get_noreturn(s, isNoReturn);
LASSERT(res, "Could not find no return for "+s);
res = f.get_num_stack_params(s, numParams);
LASSERT(res, "Could not find number of stack params for "+s);
LASSERT(numParams >= 0, "Invalid number of arguments for extcall:"+s+". Is it in your external call map file?");
//make an ExternalCodeRef
ExternalCodeRef::ReturnType rty = ExternalCodeRef::Unknown;
ExternalCodeRef::CallingConvention c;
switch(conv) {
case ExternalFunctionMap::CalleeCleanup:
c = ExternalCodeRef::CalleeCleanup;
break;
case ExternalFunctionMap::CallerCleanup:
c = ExternalCodeRef::CallerCleanup;
break;
case ExternalFunctionMap::FastCall:
c = ExternalCodeRef::FastCall;
break;
case ExternalFunctionMap::X86_64_SysV:
c = ExternalCodeRef::X86_64_SysV;
break;
case ExternalFunctionMap::X86_64_Win64:
c = ExternalCodeRef::X86_64_Win64;
default:
assert(!"Invalid calling convention for external call!");
}
if(isNoReturn) {
rty = ExternalCodeRef::NoReturn;
}
std::string funcSign;
bool sign = f.get_function_sign(s, funcSign);
ExternalCodeRef *t = NULL;
if(sign){
t = new ExternalCodeRef(s, numParams, c, rty, funcSign);
} else {
t = new ExternalCodeRef(s, numParams, c, rty);
}
return ExternalCodeRefPtr(t);
}
static
ExternalCodeRefPtr makeExtCodeRefFromString(string callName, ExternalFunctionMap &f) {
ExternalCodeRefPtr p;
bool res;
ExternalFunctionMap::CallingConvention conv;
bool isNoReturn;
int numParams;
//lookup call name in function map
string s = f.sym_sym(callName);
LASSERT(s.size() != 0, "Failure with sym_sym for symbol "+callName);
res = f.get_calling_convention(s, conv);
LASSERT(res, "Could not find calling convention for "+s);
res = f.get_noreturn(s, isNoReturn);
LASSERT(res, "Could not find no return for "+s);
res = f.get_num_stack_params(s, numParams);
LASSERT(res, "Could not find number of stack params for "+s);
//make an ExternalCodeRef
ExternalCodeRef::ReturnType rty = ExternalCodeRef::Unknown;
ExternalCodeRef::CallingConvention c;
switch(conv) {
case ExternalFunctionMap::CalleeCleanup:
c = ExternalCodeRef::CalleeCleanup;
break;
case ExternalFunctionMap::CallerCleanup:
c = ExternalCodeRef::CallerCleanup;
break;
case ExternalFunctionMap::FastCall:
c = ExternalCodeRef::FastCall;
break;
default:
assert(!"Invalid calling convention for external call!");
}
if(isNoReturn) {
rty = ExternalCodeRef::NoReturn;
}
ExternalCodeRef *t = new ExternalCodeRef(s, numParams, c, rty);
return ExternalCodeRefPtr(t);
}
