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* add support for creating non-address-only procvars to
cprocvar.getreusableprocaddr()

git-svn-id: trunk@44516 -

Jonas Maebe 5 years ago
parent
commit
4ba19f5418

+ 1 - 1
compiler/aasmcnst.pas

@@ -1840,7 +1840,7 @@ implementation
 
    procedure ttai_typedconstbuilder.emit_procdef_const(pd: tprocdef);
      begin
-       emit_tai(Tai_const.Createname(pd.mangledname,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(pd));
+       emit_tai(Tai_const.Createname(pd.mangledname,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(pd,pc_address_only));
      end;
 
 

+ 1 - 1
compiler/llvm/hlcgllvm.pas

@@ -567,7 +567,7 @@ implementation
     { if this is a complex procvar, get the non-tmethod-like equivalent }
     if (pd.typ=procvardef) and
        not pd.is_addressonly then
-      pd:=tprocvardef(cprocvardef.getreusableprocaddr(pd));
+      pd:=tprocvardef(cprocvardef.getreusableprocaddr(pd,pc_address_only));
   end;
 
 

+ 1 - 1
compiler/llvm/nllvmld.pas

@@ -117,7 +117,7 @@ procedure tllvmloadnode.pass_generate_code;
                 selfdef:=cpointerdef.getreusable(left.resultdef);
               mpref:=href;
               hlcg.g_ptrtypecast_ref(current_asmdata.CurrAsmList,cpointerdef.getreusable(pvdef),cpointerdef.getreusable(methodpointertype),mpref);
-              hlcg.g_load_reg_field_by_name(current_asmdata.CurrAsmList,cprocvardef.getreusableprocaddr(procdef),trecorddef(methodpointertype),procreg,'proc',mpref);
+              hlcg.g_load_reg_field_by_name(current_asmdata.CurrAsmList,cprocvardef.getreusableprocaddr(procdef,pc_address_only),trecorddef(methodpointertype),procreg,'proc',mpref);
               hlcg.g_load_reg_field_by_name(current_asmdata.CurrAsmList,selfdef,trecorddef(methodpointertype),selfreg,'self',mpref);
               location_reset_ref(location,LOC_REFERENCE,location.size,href.alignment,href.volatility);
               location.reference:=href;

+ 3 - 3
compiler/llvm/nllvmtcon.pas

@@ -408,7 +408,7 @@ implementation
   procedure tllvmtai_typedconstbuilder.emit_tai_procvar2procdef(p: tai; pvdef: tprocvardef);
     begin
       if not pvdef.is_addressonly then
-        pvdef:=cprocvardef.getreusableprocaddr(pvdef);
+        pvdef:=cprocvardef.getreusableprocaddr(pvdef,pc_address_only);
       emit_tai(p,pvdef);
     end;
 
@@ -731,7 +731,7 @@ implementation
         the procdef }
       if (fromdef.typ=procdef) and
          (todef.typ<>procdef) then
-        fromdef:=cprocvardef.getreusableprocaddr(tprocdef(fromdef));
+        fromdef:=cprocvardef.getreusableprocaddr(tprocdef(fromdef),pc_address_only);
       { typecasting a pointer-sized entity to a complex procvardef -> convert
         to the pointer-component of the complex procvardef (not always, because
         e.g. a tmethod to complex procvar initialises the entire complex
@@ -739,7 +739,7 @@ implementation
       if (todef.typ=procvardef) and
          not tprocvardef(todef).is_addressonly and
          (fromdef.size<todef.size) then
-        todef:=cprocvardef.getreusableprocaddr(tprocvardef(todef));
+        todef:=cprocvardef.getreusableprocaddr(tprocvardef(todef),pc_address_only);
       op:=llvmconvop(fromdef,todef,false);
       case op of
         la_ptrtoint_to_x,

+ 2 - 2
compiler/ncgcal.pas

@@ -501,7 +501,7 @@ implementation
         hlcg.location_force_reg(current_asmdata.CurrAsmList,right.location,right.resultdef,cpointerdef.getreusable(literaldef),true);
         { load the invoke pointer }
         hlcg.reference_reset_base(href,right.resultdef,right.location.register,0,ctempposinvalid,right.resultdef.alignment,[]);
-        callprocdef:=cprocvardef.getreusableprocaddr(procdefinition);
+        callprocdef:=cprocvardef.getreusableprocaddr(procdefinition,pc_address_only);
         toreg:=hlcg.getaddressregister(current_asmdata.CurrAsmList,callprocdef);
         hlcg.g_load_field_reg_by_name(current_asmdata.CurrAsmList,literaldef,callprocdef,'INVOKE',href,toreg);
      end;
@@ -851,7 +851,7 @@ implementation
            of far calls where the procvardef was defined does not matter,
            even though the procvardef constructor called by getcopyas looks at
            it) }
-         callprocdef:=cprocvardef.getreusableprocaddr(procdefinition);
+         callprocdef:=cprocvardef.getreusableprocaddr(procdefinition,pc_address_only);
          reg:=hlcg.getaddressregister(current_asmdata.CurrAsmList,callprocdef);
          { in case we have a method pointer on a big endian target in registers,
            the method address is stored in registerhi (it's the first field

+ 2 - 2
compiler/ncgld.pas

@@ -646,8 +646,8 @@ implementation
                        begin
                          { load address of the function }
                          reference_reset_symbol(href,current_asmdata.RefAsmSymbol(procdef.mangledname,AT_FUNCTION),0,procdef.address_type.alignment,[]);
-                         location.register:=hlcg.getaddressregister(current_asmdata.CurrAsmList,cprocvardef.getreusableprocaddr(procdef));
-                         hlcg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,procdef,cprocvardef.getreusableprocaddr(procdef),href,location.register);
+                         location.register:=hlcg.getaddressregister(current_asmdata.CurrAsmList,cprocvardef.getreusableprocaddr(procdef,pc_address_only));
+                         hlcg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,procdef,cprocvardef.getreusableprocaddr(procdef,pc_address_only),href,location.register);
                        end;
 
                      { to get methodpointers stored correctly, code and self register must be swapped on

+ 1 - 1
compiler/ncgrtti.pas

@@ -1385,7 +1385,7 @@ implementation
                     internalerror(201603021)
                   else
                     tcb.emit_tai(Tai_const.Createname(procdef.mangledname,AT_FUNCTION,0),
-                      cprocvardef.getreusableprocaddr(procdef));
+                      cprocvardef.getreusableprocaddr(procdef,pc_address_only));
                 end;
             end;
 

+ 2 - 2
compiler/ncgvmt.pas

@@ -733,7 +733,7 @@ implementation
                 pd:=tprocdef(AImplIntf.procdefs[i]);
                 hs:=CreateWrapperName(_Class,AImplIntf,i,pd);
                 { create reference }
-                datatcb.emit_tai(Tai_const.Createname(hs,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(pd));
+                datatcb.emit_tai(Tai_const.Createname(hs,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(pd,pc_address_only));
               end;
            end
         else
@@ -992,7 +992,7 @@ implementation
                if current_module.moduleid<>vmtpd.owner.moduleid then
                  current_module.addimportedsym(vmtpd.procsym);
              end;
-           tcb.emit_tai(Tai_const.Createname(procname,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(vmtpd));
+           tcb.emit_tai(Tai_const.Createname(procname,AT_FUNCTION,0),cprocvardef.getreusableprocaddr(vmtpd,pc_address_only));
 {$ifdef vtentry}
            hs:='VTENTRY'+'_'+_class.vmt_mangledname+'$$'+tostr(_class.vmtmethodoffset(i) div sizeof(pint));
            current_asmdata.asmlists[al_globals].concat(tai_symbol.CreateName(hs,AT_DATA,0,voidpointerdef));

+ 1 - 1
compiler/ngtcon.pas

@@ -1456,7 +1456,7 @@ function get_next_varsym(def: tabstractrecorddef; const SymList:TFPHashObjectLis
         { get the address of the procedure, except if it's a C-block (then we
           we will end up with a record that represents the C-block) }
         if not is_block(def) then
-          procaddrdef:=cprocvardef.getreusableprocaddr(def)
+          procaddrdef:=cprocvardef.getreusableprocaddr(def,pc_address_only)
         else
           procaddrdef:=def;
         ftcb.queue_init(procaddrdef);

+ 1 - 1
compiler/nobj.pas

@@ -889,7 +889,7 @@ implementation
         { now add the methods }
         for i:=0 to _class.vmtentries.count-1 do
           vmtdef.add_field_by_def('',
-            cprocvardef.getreusableprocaddr(pvmtentry(_class.vmtentries[i])^.procdef)
+            cprocvardef.getreusableprocaddr(pvmtentry(_class.vmtentries[i])^.procdef,pc_address_only)
           );
         { the VMT ends with a nil pointer }
         vmtdef.add_field_by_def('',voidcodepointertype);

+ 17 - 9
compiler/symdef.pas

@@ -640,15 +640,16 @@ interface
          pno_mangledname, pno_noparams);
        tprocnameoptions = set of tprocnameoption;
        tproccopytyp = (pc_normal,
+                       { creates a procvardef describing only the code pointer
+                         of a method/netsted function/... }
+                       pc_address_only,
                        { everything except for hidden parameters }
                        pc_normal_no_hidden,
                        { always creates a top-level function, removes all
                          special parameters (self, vmt, parentfp, ...) }
-                       pc_bareproc,
-                       { creates a procvardef describing only the code pointer
-                         of a method/netsted function/... }
-                       pc_address_only
+                       pc_bareproc
                        );
+       tcacheableproccopytyp = pc_normal..pc_address_only;
 
        tabstractprocdef = class(tstoreddef)
           { saves a definition to the return type }
@@ -703,7 +704,7 @@ interface
        tprocvardef = class(tabstractprocdef)
           constructor create(level:byte);virtual;
           { returns a procvardef that represents the address of a proc(var)def }
-          class function getreusableprocaddr(def: tabstractprocdef): tprocvardef; virtual;
+          class function getreusableprocaddr(def: tabstractprocdef; copytyp: tcacheableproccopytyp): tprocvardef; virtual;
           { same as above, but in case the def must never be freed after the
             current module has been compiled -- even if the def was not written
             to the ppu file (for defs in para locations, as we don't reset them
@@ -6958,14 +6959,21 @@ implementation
       end;
 
 
-    class function tprocvardef.getreusableprocaddr(def: tabstractprocdef): tprocvardef;
+    class function tprocvardef.getreusableprocaddr(def: tabstractprocdef; copytyp: tcacheableproccopytyp): tprocvardef;
       var
         res: PHashSetItem;
         oldsymtablestack: tsymtablestack;
+        key: packed record
+          def: tabstractprocdef;
+          copytyp: tcacheableproccopytyp;
+        end;
+
       begin
         if not assigned(current_module) then
           internalerror(2011081301);
-        res:=current_module.procaddrdefs.FindOrAdd(@def,sizeof(def));
+        key.def:=def;
+        key.copytyp:=copytyp;
+        res:=current_module.procaddrdefs.FindOrAdd(@key,sizeof(key));
         if not assigned(res^.Data) then
           begin
             { since these pointerdefs can be reused anywhere in the current
@@ -6977,7 +6985,7 @@ implementation
             { do not simply push/pop current_module.localsymtable, because
               that can have side-effects (e.g., it removes helpers) }
             symtablestack:=nil;
-            result:=tprocvardef(def.getcopyas(procvardef,pc_address_only,''));
+            result:=tprocvardef(def.getcopyas(procvardef,copytyp,''));
             setup_reusable_def(def,result,res,oldsymtablestack);
             { res^.Data may still be nil -> don't overwrite result }
             exit;
@@ -6988,7 +6996,7 @@ implementation
 
     class function tprocvardef.getreusableprocaddr_no_free(def: tabstractprocdef): tprocvardef;
       begin
-        result:=getreusableprocaddr(def);
+        result:=getreusableprocaddr(def,pc_address_only);
         if not result.is_registered then
           include(result.defoptions,df_not_registered_no_free);
       end;