minor fixes for instructions that are likely bogus (i.e., pcrel insns that...

minor fixes for instructions that are likely bogus (i.e., pcrel insns that access out-of-bounds memory)

irdb-libs/ir_builders/fix_calls.cpp

@@ -844,7 +844,9 @@ class FixCalls_t : public TransformStep_t
 						switch(size)
 						{
 							case 4:
-								assert( (uintptr_t)(int)newdisp == (uintptr_t)newdisp);
+								// if newdisp is negative (or bigger than 32-bit), then the instruction is accessing invalid memory.
+								// and is likely bogus.  we just skip doing any pc-rel for it.
+								if( (uintptr_t)(int32_t)newdisp != (uintptr_t)newdisp) continue;
 								*(int*)offsetptr=newdisp;
 								break;
 							case 1:

irdb-libs/libIRDB-util/src/params.cpp

@@ -70,9 +70,14 @@ bool IRDB_SDK::isParameterWrite(const IRDB_SDK::FileIR_t *firp, IRDB_SDK::Instru
 	if(!d.getOperand(0)->isMemory())
 		return false;
 
+	// pcrel instructions aren't to the stack.
+	if(d.getOperand(0)->isPcrel())
+		return false;
+
 	// check that base reg is esp.
 	if(!d.getOperand(0)->hasBaseRegister())
 		return false;
+
 	if(d.getOperand(0)->getBaseRegister() != 4)
 		return false;