* factored out the generation of the Objective-C section names, so we can

    reuse them for llvm too

git-svn-id: trunk@32885 -

.gitattributes

@@ -490,6 +490,7 @@ compiler/nopt.pas svneol=native#text/plain
 compiler/nset.pas svneol=native#text/plain
 compiler/nstate.pas svneol=native#text/plain
 compiler/nutils.pas svneol=native#text/plain
+compiler/objcasm.pas svneol=native#text/plain
 compiler/objcdef.pas svneol=native#text/plain
 compiler/objcgutl.pas svneol=native#text/plain
 compiler/objcutil.pas svneol=native#text/plain

compiler/aasmbase.pas

@@ -151,6 +151,8 @@ interface
          sec_heap
        );
 
+       TObjCAsmSectionType = sec_objc_class..sec_objc_protolist;
+
        TAsmSectionOrder = (secorder_begin,secorder_default,secorder_end);
 
        TAsmSymbol = class(TFPHashObject)

compiler/aggas.pas

@@ -113,7 +113,7 @@ implementation
 {$ifdef m68k}
       cpuinfo,aasmcpu,
 {$endif m68k}
-      cpubase;
+      cpubase,objcasm;
 
     const
       line_length = 70;
@@ -460,7 +460,7 @@ implementation
          system_powerpc_aix,
          system_powerpc64_aix:
            begin
-             if (atype in [sec_stub,sec_objc_data,sec_objc_const,sec_data_coalesced]) then
+             if (atype in [sec_stub]) then
                writer.AsmWrite('.section ');
            end
          else
@@ -1671,129 +1671,11 @@ implementation
                 result:='.section __DATA, __mod_term_func, mod_term_funcs';
                 exit;
               end;
-            sec_objc_protocol_ext:
+            low(TObjCAsmSectionType)..high(TObjCAsmSectionType):
               begin
-                result:='.section __OBJC, __protocol_ext, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_class_ext:
-              begin
-                result:='.section __OBJC, __class_ext, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_property:
-              begin
-                result:='.section __OBJC, __property, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_image_info:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  result:='.section __DATA,__objc_imageinfo,regular,no_dead_strip'
-                else
-                  result:='.section __OBJC, __image_info, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_cstring_object:
-              begin
-                result:='.section __OBJC, __cstring_object, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_sel_fixup:
-              begin
-                result:='.section __OBJC, __sel_fixup, regular, no_dead_strip';
-                exit;
-              end;
-            sec_objc_message_refs:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __DATA, __objc_selrefs, literal_pointers, no_dead_strip';
-                    exit;
-                  end;
-              end;
-            sec_objc_cls_refs:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __DATA, __objc_clsrefs, regular, no_dead_strip';
-                    exit;
-                  end;
-              end;
-            sec_objc_meth_var_types:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __TEXT,__objc_methtype,cstring_literals';
-                    exit
-                  end;
-              end;
-            sec_objc_meth_var_names:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __TEXT,__objc_methname,cstring_literals';
-                    exit
-                  end;
-              end;
-            sec_objc_class_names:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __TEXT,__objc_classname,cstring_literals';
-                    exit
-                  end;
-              end;
-            sec_objc_inst_meth,
-            sec_objc_cls_meth,
-            sec_objc_cat_inst_meth,
-            sec_objc_cat_cls_meth:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __DATA, __objc_const';
-                    exit;
-                  end;
-              end;
-            sec_objc_meta_class,
-            sec_objc_class:
-              begin
-                if (target_info.system in systems_objc_nfabi) then
-                  begin
-                    result:='.section __DATA, __objc_data';
-                    exit;
-                  end;
-              end;
-            sec_objc_sup_refs:
-              begin
-                result:='.section __DATA, __objc_superrefs, regular, no_dead_strip';
-                exit
-              end;
-            sec_objc_classlist:
-              begin
-                result:='.section __DATA, __objc_classlist, regular, no_dead_strip';
-                exit
-              end;
-            sec_objc_nlclasslist:
-              begin
-                result:='.section __DATA, __objc_nlclasslist, regular, no_dead_strip';
-                exit
-              end;
-            sec_objc_catlist:
-              begin
-                result:='.section __DATA, __objc_catlist, regular, no_dead_strip';
-                exit
-              end;
-            sec_objc_nlcatlist:
-              begin
-                result:='.section __DATA, __objc_nlcatlist, regular, no_dead_strip';
+                result:='.section '+objc_section_name(atype);
                 exit
               end;
-            sec_objc_protolist:
-              begin
-                result:='.section __DATA, __objc_protolist, coalesced, no_dead_strip';
-                exit;
-              end;
           end;
         result := inherited sectionname(atype,aname,aorder);
       end;

compiler/objcasm.pas

@@ -0,0 +1,229 @@
+{
+    Copyright (c) 2016 by Jonas Maebe
+
+    This unit implements Objective-C assembler helper routines.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ ****************************************************************************
+}
+
+{$i fpcdefs.inc}
+
+unit objcasm;
+
+  interface
+
+  uses
+    aasmbase;
+
+  function objc_section_name(sec: TObjCAsmSectionType): string;
+
+implementation
+
+  uses
+    verbose,
+    systems;
+
+  function objc_section_name(sec: TObjCAsmSectionType): string;
+    begin
+      result:='';
+      if target_info.system in systems_darwin then
+        case sec of
+          sec_objc_protocol:
+            begin
+              if not(target_info.system in systems_objc_nfabi) then
+                result:='__OBJC, __protocol, regular, no_dead_strip'
+              else
+                internalerror(2015010605);
+            end;
+          sec_objc_protocol_ext:
+            begin
+              result:='__OBJC, __protocol_ext, regular, no_dead_strip';
+            end;
+          sec_objc_category:
+            begin
+              if not(target_info.system in systems_objc_nfabi) then
+                result:='__OBJC, __category, regular, no_dead_strip'
+              else
+                internalerror(2015010606);
+            end;
+          sec_objc_class_ext:
+            begin
+              result:='__OBJC, __class_ext, regular, no_dead_strip';
+            end;
+          sec_objc_property:
+            begin
+              result:='__OBJC, __property, regular, no_dead_strip';
+            end;
+          sec_objc_image_info:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_imageinfo, regular, no_dead_strip'
+              else
+                result:='__OBJC, __image_info, regular, no_dead_strip';
+            end;
+          sec_objc_cstring_object:
+            begin
+              result:='__OBJC, __cstring_object, regular, no_dead_strip';
+            end;
+          sec_objc_sel_fixup:
+            begin
+              result:='__OBJC, __sel_fixup, regular, no_dead_strip';
+              exit;
+            end;
+          sec_objc_message_refs:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_selrefs, literal_pointers, no_dead_strip'
+              else
+                result:='__OBJC, __message_refs, literal_pointers, no_dead_strip';
+            end;
+          sec_objc_symbols:
+            begin
+              if not(target_info.system in systems_objc_nfabi) then
+                result:='__OBJC, __symbols, regular, no_dead_strip'
+              else
+                internalerror(2016010603);
+            end;
+          sec_objc_instance_vars:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:=' __OBJC, __instance_vars, regular, no_dead_strip';
+            end;
+          sec_objc_cls_refs:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_clsrefs, regular, no_dead_strip'
+              else
+                result:='__OBJC, __cls_refs, literal_pointers, no_dead_strip';
+            end;
+          sec_objc_meth_var_types:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__TEXT, __objc_methtype, cstring_literals'
+             else
+               result:='__TEXT, __cstring, cstring_literals';
+            end;
+          sec_objc_meth_var_names:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__TEXT, __objc_methname, cstring_literals'
+              else
+                result:='__TEXT, __cstring, cstring_literals';
+            end;
+          sec_objc_class_names:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__TEXT, __objc_classname, cstring_literals'
+              else
+                result:='__TEXT, __cstring, cstring_literals';
+            end;
+          sec_objc_inst_meth:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __inst_meth, regular, no_dead_strip';
+            end;
+          sec_objc_cls_meth:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __cls_meth, regular, no_dead_strip';
+            end;
+          sec_objc_cat_inst_meth:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __cat_inst_meth, regular, no_dead_strip';
+            end;
+          sec_objc_cat_cls_meth:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __cat_cls_meth, regular, no_dead_strip';
+            end;
+          sec_objc_meta_class:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __meta_class, regular, no_dead_strip';
+            end;
+          sec_objc_class:
+            begin
+              if target_info.system in systems_objc_nfabi then
+                result:='__DATA, __objc_const'
+              else
+                result:='__OBJC, __class, regular, no_dead_strip';
+            end;
+          sec_objc_sup_refs:
+            begin
+              result:='__DATA, __objc_superrefs, regular, no_dead_strip';
+            end;
+          sec_objc_classlist:
+            begin
+              result:='__DATA, __objc_classlist, regular, no_dead_strip';
+            end;
+          sec_objc_nlclasslist:
+            begin
+              result:='__DATA, __objc_nlclasslist, regular, no_dead_strip';
+            end;
+          sec_objc_catlist:
+            begin
+              result:='__DATA, __objc_catlist, regular, no_dead_strip';
+            end;
+          sec_objc_nlcatlist:
+            begin
+              result:='__DATA, __objc_nlcatlist, regular, no_dead_strip';
+            end;
+          sec_objc_protolist:
+            begin
+              result:='__DATA, __objc_protolist, coalesced, no_dead_strip';
+            end;
+          sec_objc_module_info:
+            begin
+              if not(target_info.system in systems_objc_nfabi) then
+                result:=' __OBJC, __module_info, regular, no_dead_strip'
+              else
+                internalerror(2016010601);
+            end;
+          sec_objc_data:
+            begin
+              result:='__DATA, __objc_data';
+            end;
+          sec_objc_const:
+            begin
+              result:='__DATA, __objc_const';
+            end;
+          sec_data_coalesced:
+            begin
+              result:='__DATA, __datacoal_nt, coalesced';
+            end;
+          else
+            internalerror(2016010101);
+          end
+      else
+        internalerror(2016010102);
+    end;
+
+end.
+