From 9a879981edd883d922b8503ec90e2f0f14803e95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C3=A1roly=20Balogh?= <karoly@freepascal.org>
Date: Wed, 1 Feb 2006 15:19:58 +0000
Subject: [PATCH]   * even more m68k mess     a tiny fix, and some code from
 ppc cg, to serve as base

git-svn-id: trunk@2391 -
---
 compiler/m68k/cgcpu.pas   | 80 +++++++++++++++++++++++++++++++++++++--
 compiler/m68k/n68kcnv.pas |  2 +-
 2 files changed, 78 insertions(+), 4 deletions(-)

diff --git a/compiler/m68k/cgcpu.pas b/compiler/m68k/cgcpu.pas
index 88210232c2..4bf89718de 100644
--- a/compiler/m68k/cgcpu.pas
+++ b/compiler/m68k/cgcpu.pas
@@ -31,7 +31,7 @@ unit cgcpu;
        aasmbase,aasmtai,aasmcpu,
        cpubase,cpuinfo,
        parabase,cpupara,
-       node,symconst,symtype,
+       node,symconst,symtype,symdef,
        cgutils,cg64f32;
 
     type
@@ -76,6 +76,9 @@ unit cgcpu;
 
 //        procedure g_save_all_registers(list : taasmoutput);override;
 //        procedure g_restore_all_registers(list : taasmoutput;const funcretparaloc:TCGPara);override;
+
+        procedure g_intf_wrapper(list: TAAsmoutput; procdef: tprocdef; const labelname: string; ioffset: longint);override;
+
      protected
         function fixref(list: taasmoutput; var ref: treference): boolean;
      private
@@ -113,8 +116,8 @@ unit cgcpu;
 
     uses
        globals,verbose,systems,cutils,
-       symdef,symsym,defutil,paramgr,procinfo,
-       rgobj,tgobj,rgcpu;
+       symsym,defutil,paramgr,procinfo,
+       rgobj,tgobj,rgcpu,fmodule;
 
 
     const
@@ -1185,6 +1188,77 @@ unit cgcpu;
          list.concat(ai);
        end;
 
+
+    procedure tcg68k.g_intf_wrapper(list: TAAsmoutput; procdef: tprocdef; const labelname: string; ioffset: longint);
+{
+        procedure loadvmttor11;
+        var
+          href : treference;
+        begin
+          reference_reset_base(href,NR_R3,0);
+          cg.a_load_ref_reg(list,OS_ADDR,OS_ADDR,href,NR_R11);
+        end;
+
+        procedure op_onr11methodaddr;
+        var
+          href : treference;
+        begin
+          if (procdef.extnumber=$ffff) then
+            Internalerror(200006139);
+          { call/jmp  vmtoffs(%eax) ; method offs }
+          reference_reset_base(href,NR_R11,procdef._class.vmtmethodoffset(procdef.extnumber));
+          if not((longint(href.offset) >= low(smallint)) and
+                 (longint(href.offset) <= high(smallint))) then
+            begin
+              list.concat(taicpu.op_reg_reg_const(A_ADDIS,NR_R11,NR_R11,
+                smallint((href.offset shr 16)+ord(smallint(href.offset and $ffff) < 0))));
+              href.offset := smallint(href.offset and $ffff);
+            end;
+          list.concat(taicpu.op_reg_ref(A_LWZ,NR_R11,href));
+          list.concat(taicpu.op_reg(A_MTCTR,NR_R11));
+          list.concat(taicpu.op_none(A_BCTR));
+        end;
+}
+      var
+        make_global : boolean;
+      begin
+        if not(procdef.proctypeoption in [potype_function,potype_procedure]) then
+          Internalerror(200006137);
+        if not assigned(procdef._class) or
+           (procdef.procoptions*[po_classmethod, po_staticmethod,
+             po_methodpointer, po_interrupt, po_iocheck]<>[]) then
+          Internalerror(200006138);
+        if procdef.owner.symtabletype<>objectsymtable then
+          Internalerror(200109191);
+
+        make_global:=false;
+        if (not current_module.is_unit) or
+           (cs_create_smart in aktmoduleswitches) or
+           (procdef.owner.defowner.owner.symtabletype=globalsymtable) then
+          make_global:=true;
+
+        if make_global then
+          List.concat(Tai_symbol.Createname_global(labelname,AT_FUNCTION,0))
+        else
+          List.concat(Tai_symbol.Createname(labelname,AT_FUNCTION,0));
+
+        { set param1 interface to self  }
+//        g_adjust_self_value(list,procdef,ioffset);
+
+        { case 4 }
+        if po_virtualmethod in procdef.procoptions then
+          begin
+//            loadvmttor11;
+//            op_onr11methodaddr;
+          end
+        { case 0 }
+        else
+//          list.concat(taicpu.op_sym(A_B,objectlibrary.newasmsymbol(procdef.mangledname,AB_EXTERNAL,AT_FUNCTION)));
+
+        List.concat(Tai_symbol_end.Createname(labelname));
+      end;
+
+
 {****************************************************************************}
 {                               TCG64F68K                                    }
 {****************************************************************************}
diff --git a/compiler/m68k/n68kcnv.pas b/compiler/m68k/n68kcnv.pas
index ee0f3ab1e0..fc0b0d02ae 100644
--- a/compiler/m68k/n68kcnv.pas
+++ b/compiler/m68k/n68kcnv.pas
@@ -56,7 +56,7 @@ implementation
 
     function tm68ktypeconvnode.first_int_to_real: tnode;
       var
-        fname: string[19];
+        fname: string[32];
       begin
         { In case we are in emulation mode, we must
           always call the helpers