* fix some small flaws which prevent sparc linux system unit from compiling

  * some reformatting done

compiler/globals.pas

@@ -1560,6 +1560,14 @@ implementation
         {$ENDIF}
         initasmmode:=asmmode_direct;
 {$endif powerpc}
+{$ifdef sparc}
+        initoptprocessor:=SPARC_V8;
+        initpackenum:=4;
+        {$IFDEF testvarsets}
+         initsetalloc:=0;
+        {$ENDIF}
+        initasmmode:=asmmode_direct;
+{$endif sparc}
         initinterfacetype:=it_interfacecom;
         initdefproccall:=pocall_none;
         initdefines:=TStringList.Create;
@@ -1575,7 +1583,11 @@ implementation
 end.
 {
   $Log$
-  Revision 1.91  2003-05-23 15:03:31  peter
+  Revision 1.92  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.91  2003/05/23 15:03:31  peter
     * fix previous commit for unix
 
   Revision 1.90  2003/05/23 14:39:56  peter

compiler/pstatmnt.pas

@@ -794,7 +794,6 @@ implementation
                  End;
                asmstat:=tasmnode(radirect.assemble);
              end;
-
          else
            Message(parser_f_assembler_reader_not_supported);
          end;
@@ -1175,7 +1174,11 @@ implementation
 end.
 {
   $Log$
-  Revision 1.101  2003-05-23 15:15:36  peter
+  Revision 1.102  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.101  2003/05/23 15:15:36  peter
     * better error for undefined ordinal labels
 
   Revision 1.100  2003/05/17 13:30:08  jonas

compiler/sparc/cgcpu.pas

@@ -962,74 +962,86 @@ procedure TCgSparc.g_overflowCheck(List:TAasmOutput;const p:TNode);
       a_call_name(list,'FPC_OVERFLOW');
       a_label(list,hl);
     end;
+
 { *********** entry/exit code and address loading ************ }
 
 procedure TCgSparc.g_stackframe_entry(list:TAasmOutput;LocalSize:LongInt);
   var
-    href:TReference;
-    r:Tregister;
-    i:integer;
-    again:tasmlabel;
+    r : tregister;
   begin
-{Althogh the SPARC architecture require only word alignment, software
-convention and the operating system require every stack frame to be double word
-aligned}
-    LocalSize:=(LocalSize+7)and $FFFFFFF8;
-{Execute the SAVE instruction to get a new register window and create a new
-stack frame. In the "SAVE %i6,size,%i6" the first %i6 is related to the state
-before execution of the SAVE instrucion so it is the caller %i6, when the %i6
-after execution of that instruction is the called function stack pointer}
-    r.enum:=stack_pointer_reg;
-    with list do
-      concat(Taicpu.Op_reg_const_reg(A_SAVE,r,-LocalSize,r));
+    { Althogh the SPARC architecture require only word alignment, software
+      convention and the operating system require every stack frame to be double word
+      aligned }
+    LocalSize:=align(LocalSize,8);
+    { Execute the SAVE instruction to get a new register window and create a new
+      stack frame. In the "SAVE %i6,size,%i6" the first %i6 is related to the state
+      before execution of the SAVE instrucion so it is the caller %i6, when the %i6
+      after execution of that instruction is the called function stack pointer}
+    r.enum:=R_INTREGISTER;
+    r.number:=NR_STACK_POINTER_REG;
+    list.concat(Taicpu.Op_reg_const_reg(A_SAVE,r,-LocalSize,r));
   end;
+
+
 procedure TCgSparc.g_restore_all_registers(list:TaasmOutput;accused,acchiused:boolean);
   begin
-    {$warning FIX ME TCgSparc.g_restore_all_registers}
+    { The sparc port uses the sparc standard calling convetions so this function has no used }
   end;
+
+
 procedure TCgSparc.g_restore_frame_pointer(list:TAasmOutput);
   begin
-{This function intontionally does nothing as frame pointer is restored in the
-delay slot of the return instrucion done in g_return_from_proc}
+     { This function intontionally does nothing as frame pointer is restored in the
+       delay slot of the return instrucion done in g_return_from_proc}
   end;
+
+
 procedure TCgSparc.g_restore_standard_registers(list:taasmoutput;usedinproc:Tsupregset);
   begin
-    {$WARNING FIX ME TCgSparc.g_restore_standard_registers}
+    { The sparc port uses the sparc standard calling convetions so this function has no used }
   end;
-procedure TCgSparc.g_return_from_proc(list:TAasmOutput;parasize:aword);
 
-var r,r2:Tregister;
 
+procedure TCgSparc.g_return_from_proc(list:TAasmOutput;parasize:aword);
+  var
+    r,r2:Tregister;
   begin
-{According to the SPARC ABI, the stack is cleared using the RESTORE instruction
-which is genereted in the g_restore_frame_pointer. Notice that SPARC has no
-RETURN instruction and that JMPL is used instead. The JMPL instrucion have one
-delay slot, so an inversion is possible such as
-  JMPL  %i7+8,%g0
-  RESTORE  %g0,0,%g0
-If no inversion we can use just
-  RESTORE  %g0,0,%g0
-  JMPL  %i7+8,%g0
-  NOP}
+    { According to the SPARC ABI, the stack is cleared using the RESTORE instruction
+      which is genereted in the g_restore_frame_pointer. Notice that SPARC has no
+      RETURN instruction and that JMPL is used instead. The JMPL instrucion have one
+      delay slot, so an inversion is possible such as
+      JMPL  %i7+8,%g0
+      RESTORE  %g0,0,%g0
+      If no inversion we can use just
+      RESTORE  %g0,0,%g0
+      JMPL  %i7+8,%g0
+      NOP
+    }
     with list do
       begin
-{Return address is computed by adding 8 to the CALL address saved onto %i6}
+        { Return address is computed by adding 8 to the CALL address saved onto %i6}
         r.enum:=R_G0;
         r2.enum:=R_I7;
         concat(Taicpu.Op_caddr_reg(A_JMPL,r,8,r));
-{We use trivial restore in the delay slot of the JMPL instruction, as we
-already set result onto %i0}
+        { We use trivial restore in the delay slot of the JMPL instruction, as we
+          already set result onto %i0 }
         concat(Taicpu.Op_reg_const_reg(A_RESTORE,r,0,r));
-      end
+     end
   end;
+
+
 procedure TCgSparc.g_save_all_registers(list : taasmoutput);
   begin
-    {$warning FIX ME TCgSparc.g_save_all_registers}
+    { The sparc port uses the sparc standard calling convetions so this function has no used }
   end;
+
+
 procedure TCgSparc.g_save_standard_registers(list : taasmoutput; usedinproc:Tsupregset);
   begin
-    {$warning FIX ME tcgppc.g_save_standard_registers}
+    { The sparc port uses the sparc standard calling convetions so this function has no used }
   end;
+
+
 procedure TCgSparc.a_loadaddr_ref_reg(list:TAasmOutput;CONST ref:TReference;r:tregister);
 
        begin
@@ -1449,7 +1461,11 @@ BEGIN
 END.
 {
   $Log$
-  Revision 1.49  2003-05-22 16:11:22  florian
+  Revision 1.50  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.49  2003/05/22 16:11:22  florian
     * fixed sparc compilation partially
 
   Revision 1.48  2003/05/07 15:04:30  mazen

compiler/sparc/cpuinfo.pas

@@ -39,9 +39,10 @@ TYPE
   ts64comp = extended;
   pbestreal=^bestreal;
 
-{ possible supported processors for this target }
+  { possible supported processors for this target }
   tprocessors=(no_processor,SPARC_V8,SPARC_V9);
-CONST
+
+const
 {# Size of native extended floating point type }
 {SPARC architecture uses IEEE double floating point numbers}
   extended_size = 8;
@@ -61,7 +62,11 @@ IMPLEMENTATION
 END.
 {
   $Log$
-  Revision 1.6  2002-11-16 20:07:57  florian
+  Revision 1.7  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.6  2002/11/16 20:07:57  florian
     * made target_cpu_name lowercase
 
   Revision 1.5  2002/10/16 12:36:54  mazen

compiler/sparc/cpupi.pas

@@ -21,33 +21,39 @@
  ****************************************************************************}
 { This unit contains the CPU specific part of tprocinfo. }
 unit cpupi;
-{$INCLUDE fpcdefs.inc}
+
+{$I fpcdefs.inc}
+
 interface
-uses
-        cutils,
-        cgbase,cpuinfo;
-type
-  TSparcProcInfo=class(TProcInfo)
-    {overall size of allocated stack space, currently this is used for the
-    PowerPC only}
-    LocalSize:aword;
-    {max of space need for parameters, currently used by the PowerPC port only}
-    maxpushedparasize:aword;
-    constructor create(aparent:tprocinfo);override;
-{According the the SPARC ABI the standard stack frame must include :
-  *  16 word save for the in and local registers in case of overflow/underflow.
-this save area always must exist at the %o6+0,
-  *  software conventions requires space for the aggregate return value pointer, even if the word is not used,
-  *  althogh the first six words of arguments reside in registers, the standard
-stack frame reserves space for them. Arguments beond the sixth reside on the
-stack as in the Intel architecture,
-  * other areas depend on the compiler and the code being compiled. The
-standard calling sequence does not define a maximum stack frame size, nor does
-it restrict how a language system uses the "unspecified" areas of the standard
-stack frame.}
-    procedure after_header;override;
-    procedure after_pass1;override;
-  end;
+
+  uses
+    cutils,
+    cgbase,cpuinfo,
+    psub;
+
+  type
+    TSparcProcInfo=class(tcgprocinfo)
+      { overall size of allocated stack space, currently this is used for the
+        PowerPC only }
+      LocalSize:aword;
+      {max of space need for parameters, currently used by the PowerPC port only}
+      maxpushedparasize:aword;
+      constructor create(aparent:tprocinfo);override;
+      { According the the SPARC ABI the standard stack frame must include :
+        *  16 word save for the in and local registers in case of overflow/underflow.
+           this save area always must exist at the %o6+0,
+        *  software conventions requires space for the aggregate return value pointer, even if the word is not used,
+        *  althogh the first six words of arguments reside in registers, the standard
+           stack frame reserves space for them. Arguments beond the sixth reside on the
+           stack as in the Intel architecture,
+        * other areas depend on the compiler and the code being compiled. The
+          standard calling sequence does not define a maximum stack frame size, nor does
+          it restrict how a language system uses the "unspecified" areas of the standard
+          stack frame.}
+      procedure after_header;override;
+      procedure after_pass1;override;
+    end;
+
 implementation
 uses
         tgobj,paramgr,symsym,systems;
@@ -95,7 +101,11 @@ begin
 end.
 {
   $Log$
-  Revision 1.14  2003-04-27 11:21:36  peter
+  Revision 1.15  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.14  2003/04/27 11:21:36  peter
     * aktprocdef renamed to current_procdef
     * procinfo renamed to current_procinfo
     * procinfo will now be stored in current_module so it can be

compiler/sparc/radirect.pas

@@ -338,19 +338,22 @@ interface
 *****************************************************************************}
 
 const
-  asmmode_i386_direct_info : tasmmodeinfo =
+  asmmode_sparc_direct_info : tasmmodeinfo =
           (
             id    : asmmode_direct;
             idtxt : 'DIRECT'
           );
 
 initialization
-  RegisterAsmMode(asmmode_i386_direct_info);
-
+  RegisterAsmMode(asmmode_sparc_direct_info);
 end.
 {
   $Log$
-  Revision 1.9  2003-05-23 21:10:50  florian
+  Revision 1.10  2003-05-23 22:33:48  florian
+    * fix some small flaws which prevent sparc linux system unit from compiling
+    * some reformatting done
+
+  Revision 1.9  2003/05/23 21:10:50  florian
     * fixed sparc compiler compilation
 
   Revision 1.8  2003/05/22 16:11:22  florian