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- /*
- ** $VER: LibInit.c 37.32 (2.3.99)
- **
- ** Library initializers and functions to be called by StartUp.c
- **
- ** (C) Copyright 1996-99 Andreas R. Kleinert
- ** All Rights Reserved.
- **
- ** Modifications for the AmIDE_API v1.0
- ** (C) Copyright 2001 Jens Langner
- ** All Rights Reserved.
- */
-
- #define __USE_SYSBASE // perhaps only recognized by SAS/C
-
- #include <exec/types.h>
- #include <exec/memory.h>
- #include <exec/libraries.h>
- #include <exec/execbase.h>
- #include <exec/resident.h>
- #include <exec/initializers.h>
-
- #ifdef __MAXON__
- #include <clib/exec_protos.h>
- #else
- #include <proto/exec.h>
- #endif
- #include "compiler.h"
- #include "sasc.module.h"
-
- #include <amide/amide_api_base.h>
-
- ULONG __saveds __stdargs L_OpenLibs(struct AmIDE_API_Base *API_Base);
- void __saveds __stdargs L_CloseLibs(void);
-
- struct ExecBase *SysBase = NULL;
- struct IntuitionBase *IntuitionBase = NULL;
- struct GfxBase *GfxBase = NULL;
- struct UtilityBase *UtilityBase = NULL;
- struct DOSBase *DOSBase = NULL;
-
- #define VERSION 0
- #define REVISION 1
-
- char __aligned LibName [] = LIBNAME;
- char __aligned LibID [] = LIBNAME LIBVER;
- char __aligned Copyright [] = "(C)opyright 2001 by Jens Langner. All rights reserved.";
-
- char __aligned VERSTRING [] = "\0$VER: " LIBNAME LIBVER;
-
- /* ----------------------------------------------------------------------------------------
- ! ROMTag and Library inilitalization structure:
- !
- ! Below you find the ROMTag, which is the most important "magic" part of a library
- ! (as for any other resident module). You should not need to modify any of the
- ! structures directly, since all the data is referenced from constants from somewhere else.
- !
- ! You may place the ROMTag directly after the LibStart (-> StartUp.c) function as well.
- !
- ! Note, that the data initialization structure may be somewhat redundant - it's
- ! for demonstration purposes.
- !
- ! EndResident can be placed somewhere else - but it must follow the ROMTag and
- ! it must not be placed in a different SECTION.
- ---------------------------------------------------------------------------------------- */
-
- extern ULONG InitTab[];
- extern APTR EndResident; /* below */
-
- struct Resident __aligned ROMTag = /* do not change */
- {
- RTC_MATCHWORD,
- &ROMTag,
- &EndResident,
- RTF_AUTOINIT,
- VERSION,
- NT_LIBRARY,
- 0,
- &LibName[0],
- &LibID[0],
- &InitTab[0]
- };
-
- APTR EndResident;
-
- struct MyDataInit /* do not change */
- {
- UWORD ln_Type_Init; UWORD ln_Type_Offset; UWORD ln_Type_Content;
- UBYTE ln_Name_Init; UBYTE ln_Name_Offset; ULONG ln_Name_Content;
- UWORD lib_Flags_Init; UWORD lib_Flags_Offset; UWORD lib_Flags_Content;
- UWORD lib_Version_Init; UWORD lib_Version_Offset; UWORD lib_Version_Content;
- UWORD lib_Revision_Init; UWORD lib_Revision_Offset; UWORD lib_Revision_Content;
- UBYTE lib_IdString_Init; UBYTE lib_IdString_Offset; ULONG lib_IdString_Content;
- ULONG ENDMARK;
- } DataTab =
- #ifdef VBCC
- {
- 0xe000,8,NT_LIBRARY,
- 0x0080,10,(ULONG) &LibName[0],
- 0xe000,LIBF_SUMUSED|LIBF_CHANGED,
- 0xd000,20,VERSION,
- 0xd000,22,REVISION,
- 0x80,24,(ULONG) &LibID[0],
- (ULONG) 0
- };
- #else
- {
- INITBYTE(OFFSET(Node, ln_Type), NT_LIBRARY),
- 0x80, (UBYTE) OFFSET(Node, ln_Name), (ULONG) &LibName[0],
- INITBYTE(OFFSET(Library, lib_Flags), LIBF_SUMUSED|LIBF_CHANGED),
- INITWORD(OFFSET(Library, lib_Version), VERSION),
- INITWORD(OFFSET(Library, lib_Revision), REVISION),
- 0x80, (UBYTE) OFFSET(Library, lib_IdString), (ULONG) &LibID[0],
- (ULONG) 0
- };
- #endif
-
-
- /* ----------------------------------------------------------------------------------------
- ! L_OpenLibs:
- !
- ! Since this one is called by InitLib, libraries not shareable between Processes or
- ! libraries messing with RamLib (deadlock and crash) may not be opened here.
- !
- ! You may bypass this by calling this function fromout LibOpen, but then you will
- ! have to a) protect it by a semaphore and b) make sure, that libraries are only
- ! opened once (when using global library bases).
- ---------------------------------------------------------------------------------------- */
-
- ULONG __saveds __stdargs L_OpenLibs(struct AmIDE_API_Base *API_Base)
- {
- SysBase = (*((struct ExecBase **) 4));
-
- IntuitionBase = (struct IntuitionBase *) OpenLibrary("intuition.library", 37);
- if(!IntuitionBase) return(FALSE);
-
- GfxBase = (struct GfxBase *) OpenLibrary("graphics.library", 37);
- if(!GfxBase) return(FALSE);
-
- UtilityBase = (struct UtilityBase *) OpenLibrary("utility.library", 37);
- if(!UtilityBase) return(FALSE);
-
- DOSBase = (struct DOSBase *) OpenLibrary("dos.library", 37);
- if(!DOSBase) return(FALSE);
-
- // Creation of the Class
- if( cl = MakeClass( NULL, ROOTCLASS, NULL, sizeof(struct MODS_InstData), 0))
- {
- /* Fill in the callback hook */
- cl->cl_Dispatcher.h_Entry = (ULONG (*) ())MODULE_Dispatcher;
- cl->cl_UserData = NULL;
- }
-
- API_Base->exb_IntuitionBase = IntuitionBase;
-
- API_Base->exb_GfxBase = GfxBase;
- API_Base->exb_SysBase = SysBase;
-
- return(TRUE);
- }
-
- /* ----------------------------------------------------------------------------------------
- ! L_CloseLibs:
- !
- ! This one by default is called by ExpungeLib, which only can take place once
- ! and thus per definition is single-threaded.
- !
- ! When calling this fromout LibClose instead, you will have to protect it by a
- ! semaphore, since you don't know whether a given CloseLibrary(foobase) may cause a Wait().
- ! Additionally, there should be protection, that a library won't be closed twice.
- ---------------------------------------------------------------------------------------- */
-
- void __saveds __stdargs L_CloseLibs(void)
- {
- if( cl ) FreeClass(cl);
- if(DOSBase) CloseLibrary((struct Library *) DOSBase);
- if(UtilityBase) CloseLibrary((struct Library *) UtilityBase);
- if(GfxBase) CloseLibrary((struct Library *) GfxBase);
- if(IntuitionBase) CloseLibrary((struct Library *) IntuitionBase);
- }
-