void FunctionReg_Syscall(OpcodeInfo *thisOp, FuncProp *fp)
{
SYMBOL* CallSym = FindSysCall(thisOp->imm);
if (CallSym)
{
int params = CallSym->Params;
int p;
for (p=0;p<params;p++)
{
// check if this reg was assigned previously, if it was'nt it is uninitialized before use
int is_assigned = fp->assign_reg & REGBIT(REG_i0 + p);
if (!is_assigned)
fp->uninit_reg |= REGBIT(REG_i0 + p);
fp->src_reg |= REGBIT(REG_i0 + p);
}
// Check what the function returns
// Do nothing for void
if (CallSym->RetType == RET_int ||
CallSym->RetType == RET_float)
fp->dst_reg |= REGBIT(REG_r14);
if (CallSym->RetType == RET_double)
fp->dst_reg |= REGBIT(REG_r14) | REGBIT(REG_r15);
}
}
void RebuildCpp_EmitExtensionsProto()
{
SYMBOL *sym;
int len = sizeof(CppSyscallUsed);
int n;
for (n=0;n<len;n++)
{
sym = FindSysCall(n);
if (sym)
RebuildCpp_EmitSyscallFunc(sym, 1, 1);
}
}
void RebuildCpp_EmitExtensions(int stub)
{
SYMBOL *sym;
int len = sizeof(CppSyscallUsed);
int n;
for (n=0;n<len;n++)
{
if (CppSyscallUsed[n])
{
sym = FindSysCall(n);
if (sym)
RebuildCpp_EmitSyscallFunc(sym, 0, stub);
}
}
}
void JavaDecodeSysCall(OpcodeInfo *theOp)
{
int param_count, need_comma, n;
SYMBOL *theSysCall = FindSysCall(theOp->imm);
if (!theSysCall)
{
Error(Error_System, "Could'nt locate syscall\n");
return;
}
JavaSyscallUsed[theOp->imm]++;
param_count = theSysCall->Params;
JavaEmitReturnType(theSysCall->RetType);
if (theSysCall->Interface == 0)
RebuildEmit( SYSCALLDOT "%s(", theSysCall->Name + 1);
else
RebuildEmit("%s(", theSysCall->Name);
if (param_count > 4)
param_count = 4;
need_comma = 0;
for (n=0;n<param_count;n++)
{
if (need_comma)
RebuildEmit(", ");
RebuildEmit("%s", java_reg[REG_i0 + n]);
need_comma = 1;
}
RebuildEmit(");");
if (theSysCall->RetType == RET_double)
{
RebuildEmit("\n r15 = " DBL_HIGH ";");
SetRegInit(REG_r15);
}
}
void CppDecodeSysCall(OpcodeInfo *theOp)
{
int param_count, need_comma, n;
SYMBOL *syscall = FindSysCall(theOp->imm);
if (!syscall)
{
Error(Error_System, "Could'nt locate syscall\n");
return;
}
CppSyscallUsed[theOp->imm]++;
param_count = syscall->Params;
CppEmitReturnType(syscall->RetType);
RebuildEmit("SYSCALL(");
RebuildEmit("%s", &syscall->Name[1]);
RebuildEmit(")(");
if (param_count > 4)
param_count = 4;
need_comma = 0;
for (n=0;n<param_count;n++)
{
if (need_comma)
RebuildEmit(", ");
RebuildEmit("%s", Cpp_reg[REG_i0 + n]);
need_comma = 1;
}
RebuildEmit(");");
if (syscall->RetType == RET_double)
RebuildEmit("\n r15 = __dbl_high;");
}
