+ initial implementation, still needs changes for self pointer register

rtl/powerpc/typinfo.inc

@@ -0,0 +1,180 @@
+{
+    $Id$
+    This file is part of the Free Pascal run time library.
+
+    Copyright (c) 2001 by Jonas Maebe,
+    member of the Free Pascal development team
+
+    See the file COPYING.FPC, included in this distribution,
+    for details about the copyright.
+
+    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.
+
+ **********************************************************************}
+
+{ This unit provides the same Functionality as the TypInfo Unit }
+{ of Delphi                                                     }
+{ ---------------------------------------------------------------------
+  This include contains cpu-specific Low-level calling of methods.
+  ---------------------------------------------------------------------}
+
+{$ASMMODE ATT}
+
+Function CallIntegerFunc(s: Pointer; Address: Pointer; Index, IValue: LongInt): Int64; assembler;
+  { input:             }
+  {     r3: s          }
+  {     r4: address    }
+  {     r5: index      }
+  {     r6: ivalue     }
+  { output:            }
+  {     r3-r4: result  }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r4
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                      }
+     mr        r4,r6
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Function CallIntegerProc(s : Pointer;Address : Pointer;Value : Integer; INdex,IValue : Longint) : Integer;assembler;
+  { input:             }
+  {     r3: s          }
+  {     r4: address    }
+  {     r5: index      }
+  {     r6: ivalue     }
+  { output:            }
+  {     r3: result     }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r4
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                      }
+     mr        r4,r6
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Function CallExtendedFunc(s : Pointer;Address : Pointer; INdex,IValue : Longint) : Extended;assembler;
+  { input:             }
+  {     r3: s          }
+  {     r4: address    }
+  {     r5: index      }
+  {     r6: ivalue     }
+  { output:            }
+  {     fr1: result    }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r4
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                      }
+     mr        r4,r6
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Function CallExtendedProc(s : Pointer;Address : Pointer;Value : Extended; INdex,IVAlue : Longint) : Integer;assembler;
+  { input:              }
+  {     r3:  s          }
+  {     r4:  address    }
+  {     fr3: value      }
+  {     r7:  index      }
+  {     r8:  ivalue     }
+  { output:             }
+  {     r3: result      }
+  asm
+     { save current return address }
+     mflr      r30
+     cmpli     r7,0
+     mtctr     r4
+     beq       LNoIndex
+     fmr       fr2,fr3
+LNoIndex:
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                      }
+     mr        r4,r8
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Function CallBooleanFunc(s : Pointer;Address : Pointer; Index,IValue : Longint) : Boolean;assembler;
+  { input:             }
+  {     r3: s          }
+  {     r4: address    }
+  {     r5: index      }
+  {     r6: ivalue     }
+  { output:            }
+  {     r3: result     }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r4
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                       }
+     mr        r4,r6
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Function CallSStringFunc(s : Pointer;Address : Pointer; INdex,IValue : Longint)
+                        : Shortstring; assembler;
+  { input:                                       }
+  {     r3: address of shortstring result (temp) }
+  {     r4: s                                    }
+  {     r5: address                              }
+  {     r6: index                                }
+  {     r7: ivalue                               }
+  { output:                                      }
+  {     r3: result                               }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r5
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                       }
+     mr        r5,r7
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+Procedure CallSStringProc(s : Pointer;Address : Pointer;Const Value : ShortString; INdex,IVAlue : Longint);assembler;
+  { input:                                 }
+  {     r3: s                              }
+  {     r4: address                        }
+  {     r5: value (address of shortstring) }
+  {     r6: index                          }
+  {     r7: ivalue                         }
+  { output:                                }
+  {     none                               }
+  asm
+     { save current return address }
+     mflr      r30
+     mtctr     r4
+     { always pass ivalue as second parameter, it doesn't matter if it }
+     { isn't used                                                       }
+     mr        r4,r6
+     bctrl
+     { restore return address }
+     mtlr      r30
+  end;
+
+{
+  $Log$
+  Revision 1.1  2001-10-28 14:08:37  jonas
+    + initial implementation, still needs changes for self pointer register
+
+  Revision 1.3  2001/10/20 17:25:22  peter
+
+}