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155 lines
6.2 KiB
C
155 lines
6.2 KiB
C
/*****************************************************************************/
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/* */
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/* objdata.h */
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/* */
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/* Handling object file data for the ld65 linker */
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/* */
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/* */
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/* */
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/* (C) 1998-2003 Ullrich von Bassewitz */
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/* Römerstraße 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef OBJDATA_H
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#define OBJDATA_H
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/* common */
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#include "coll.h"
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#include "inline.h"
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#include "objdefs.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Values for the Flags field */
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#define OBJ_REF 0x0001 /* We have a reference to this file */
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/* Internal structure holding object file data */
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typedef struct ObjData ObjData;
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struct ObjData {
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ObjData* Next; /* Linked list of all objects */
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unsigned Name; /* Module name */
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unsigned LibName; /* Name of library */
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unsigned long MTime; /* Time of last modification */
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ObjHeader Header; /* Header of file */
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unsigned long Start; /* Start offset of data in library */
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unsigned Flags;
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unsigned FileCount; /* Input file count */
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struct FileInfo** Files; /* List of input files */
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unsigned SectionCount; /* Count of sections in this object */
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struct Section** Sections; /* List of all sections */
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unsigned ExportCount; /* Count of exports */
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struct Export** Exports; /* List of all exports */
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unsigned ImportCount; /* Count of imports */
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struct Import** Imports; /* List of all imports */
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unsigned DbgSymCount; /* Count of debug symbols */
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struct DbgSym** DbgSyms; /* List of debug symbols */
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unsigned LineInfoCount; /* Count of additional line infos */
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struct LineInfo** LineInfos; /* List of additional line infos */
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unsigned StringCount; /* Count of strings */
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unsigned* Strings; /* List of global string indices */
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unsigned AssertionCount; /* Count of module assertions */
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struct Assertion** Assertions; /* List of module assertions */
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unsigned ScopeCount; /* Count of scopes */
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struct Scope** Scopes; /* List of scopes */
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};
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/* Collection containing used ObjData objects */
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extern Collection ObjDataList;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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ObjData* NewObjData (void);
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/* Allocate a new structure on the heap, insert it into the list, return it */
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void FreeObjData (ObjData* O);
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/* Free an ObjData object. NOTE: This function works only for unused object
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* data, that is, ObjData objects that aren't used because they aren't
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* referenced.
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*/
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void FreeObjStrings (ObjData* O);
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/* Free the module string data. Used once the object file is loaded completely
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* when all strings are converted to global strings.
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*/
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void InsertObjData (ObjData* O);
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/* Insert the ObjData object into the collection of used ObjData objects. */
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void InsertObjGlobals (ObjData* O);
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/* Insert imports and exports from the object file into the global import and
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* export lists.
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*/
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unsigned MakeGlobalStringId (const ObjData* O, unsigned Index);
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/* Convert a local string id into a global one and return it. */
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const char* GetObjFileName (const ObjData* O);
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/* Get the name of the object file. Return "[linker generated]" if the object
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* file is NULL.
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*/
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#if defined(HAVE_INLINE)
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INLINE int ObjHasFiles (const ObjData* O)
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/* Return true if the files list does exist */
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{
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return (O != 0 && O->Files != 0);
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}
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#else
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# define ObjHasFiles(O) ((O) != 0 && (O)->Files != 0)
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#endif
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const char* GetSourceFileName (const ObjData* O, unsigned Index);
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/* Get the name of the source file with the given index. If O is NULL, return
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* "[linker generated]" as the file name.
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*/
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/* End of objdata.h */
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#endif
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