Merge pull request #10 from maciej-izak/master

* Patch from Alfred for Interface RTTI

Author: maciej-izak

compiler/aarch64/cpupara.pas

@@ -36,6 +36,7 @@
        tcpuparamanager = class(tparamanager)
           function get_volatile_registers_int(calloption: tproccalloption): tcpuregisterset; override;
           function get_volatile_registers_fpu(calloption: tproccalloption): tcpuregisterset; override;
+          procedure get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt); override;
           function get_volatile_registers_mm(calloption: tproccalloption): tcpuregisterset; override;
           function push_addr_param(varspez: tvarspez; def: tdef; calloption: tproccalloption): boolean; override;
           function ret_in_param(def: tdef; pd: tabstractprocdef):boolean;override;
@@ -80,6 +81,28 @@        tcpuparamanager = class(tparamanager)
         result:=[];
       end;
 
+    procedure tcpuparamanager.get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt);
+    var
+      I : SizeInt;
+    begin
+      with paraloc^ do
+        case loc of
+          LOC_REGISTER:
+            begin
+              reg:=getsupreg(register)-RS_X0;
+              off:=0;
+            end;
+          LOC_MMREGISTER:
+            begin
+              reg:=getsupreg(register)-RS_D0;
+            end;
+          LOC_REFERENCE:
+            begin
+              reg:=255;
+              off:=reference.offset;
+            end;
+        end;
+    end;
 
     function tcpuparamanager.get_volatile_registers_mm(calloption: tproccalloption): tcpuregisterset;
       begin

compiler/arm/cpupara.pas

@@ -37,6 +37,7 @@        tcpuparamanager = class(tparamanager)
           function get_volatile_registers_int(calloption : tproccalloption):tcpuregisterset;override;
           function get_volatile_registers_fpu(calloption : tproccalloption):tcpuregisterset;override;
           function get_volatile_registers_mm(calloption : tproccalloption):tcpuregisterset;override;
+          procedure get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt);override;
           function push_addr_param(varspez:tvarspez;def : tdef;calloption : tproccalloption) : boolean;override;
           function ret_in_param(def:tdef;pd:tabstractprocdef):boolean;override;
           procedure getintparaloc(list: TAsmList; pd : tabstractprocdef; nr : longint; var cgpara : tcgpara);override;
@@ -74,6 +75,44 @@        tcpuparamanager = class(tparamanager)
         result:=VOLATILE_FPUREGISTERS;
       end;
 
+    procedure tcpuparamanager.get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt);
+    var
+      I : SizeInt;
+    begin
+      with paraloc^ do
+        case loc of
+          LOC_REGISTER:
+            begin
+              reg:=getsupreg(register)-RS_R0;
+              off:=0;
+            end;
+          LOC_FPUREGISTER:
+            begin
+              reg:=getsupreg(register)-RS_F0;
+              off:=0;
+            end;
+          LOC_MMREGISTER:
+            begin
+              reg:=getsupreg(register);
+              if reg < RS_S1 then
+                begin
+                  reg:=reg-RS_D0;
+                  off:=0;
+                end
+              else
+                begin
+                  reg:=reg-RS_S1;
+                  off:=4;
+                end;
+            end;
+          LOC_REFERENCE:
+            begin
+              reg:=255;
+              off:=reference.offset;
+            end;
+        end;
+    end;
+
 
     function tcpuparamanager.get_volatile_registers_mm(calloption: tproccalloption): tcpuregisterset;
       begin

compiler/i386/cpupara.pas

@@ -40,6 +40,7 @@        tcpuparamanager = class(tparamanager)
           function get_volatile_registers_int(calloption : tproccalloption):tcpuregisterset;override;
           function get_volatile_registers_fpu(calloption : tproccalloption):tcpuregisterset;override;
           function get_volatile_registers_mm(calloption : tproccalloption):tcpuregisterset;override;
+          procedure get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt);override;
           function create_paraloc_info(p : tabstractprocdef; side: tcallercallee):longint;override;
           function create_varargs_paraloc_info(p : tabstractprocdef; varargspara:tvarargsparalist):longint;override;
           procedure createtempparaloc(list: TAsmList;calloption : tproccalloption;parasym : tparavarsym;can_use_final_stack_loc : boolean;var cgpara:TCGPara);override;
@@ -285,6 +286,29 @@        tcpuparamanager = class(tparamanager)
         result:=[0..first_mm_imreg-1];
       end;
 
+    procedure tcpuparamanager.get_para_regoff(proccalloption: tproccalloption; paraloc: pcgparalocation; out reg: Byte; out off: LongInt);
+    var
+      I : SizeInt;
+    begin
+      with paraloc^ do
+        case loc of
+          LOC_REGISTER:
+            begin
+              for I := 0 to high(parasupregs) do
+                if getsupreg(register)=parasupregs[I] then
+                  begin
+                    reg:=I;
+                    break;
+                  end;
+              off:=0;
+            end;
+          LOC_REFERENCE:
+            begin
+              reg:=255;
+              off:=reference.offset;
+            end;
+        end;
+    end;
 
     function  tcpuparamanager.get_funcretloc(p : tabstractprocdef; side: tcallercallee; forcetempdef: tdef): TCGPara;
       var