1 /*****************************************************************************/
5 /* Handling object file data for the ld65 linker */
9 /* (C) 1998-2003 Ullrich von Bassewitz */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
54 /* Values for the Flags field */
55 #define OBJ_REF 0x0001 /* We have a reference to this file */
57 /* Internal structure holding object file data */
58 typedef struct ObjData ObjData;
60 ObjData* Next; /* Linked list of all objects */
61 unsigned Name; /* Module name */
62 unsigned LibName; /* Name of library */
63 unsigned long MTime; /* Time of last modification */
64 ObjHeader Header; /* Header of file */
65 unsigned long Start; /* Start offset of data in library */
67 unsigned FileCount; /* Input file count */
68 struct FileInfo** Files; /* List of input files */
69 unsigned SectionCount; /* Count of sections in this object */
70 struct Section** Sections; /* List of all sections */
71 unsigned ExportCount; /* Count of exports */
72 struct Export** Exports; /* List of all exports */
73 unsigned ImportCount; /* Count of imports */
74 struct Import** Imports; /* List of all imports */
75 unsigned DbgSymCount; /* Count of debug symbols */
76 struct DbgSym** DbgSyms; /* List of debug symbols */
77 unsigned LineInfoCount; /* Count of additional line infos */
78 struct LineInfo** LineInfos; /* List of additional line infos */
79 unsigned StringCount; /* Count of strings */
80 unsigned* Strings; /* List of global string indices */
81 unsigned AssertionCount; /* Count of module assertions */
82 struct Assertion** Assertions; /* List of module assertions */
83 unsigned ScopeCount; /* Count of scopes */
84 struct Scope** Scopes; /* List of scopes */
89 /* Collection containing used ObjData objects */
90 extern Collection ObjDataList;
94 /*****************************************************************************/
96 /*****************************************************************************/
100 ObjData* NewObjData (void);
101 /* Allocate a new structure on the heap, insert it into the list, return it */
103 void FreeObjData (ObjData* O);
104 /* Free an ObjData object. NOTE: This function works only for unused object
105 * data, that is, ObjData objects that aren't used because they aren't
109 void FreeObjStrings (ObjData* O);
110 /* Free the module string data. Used once the object file is loaded completely
111 * when all strings are converted to global strings.
114 void InsertObjData (ObjData* O);
115 /* Insert the ObjData object into the collection of used ObjData objects. */
117 void InsertObjGlobals (ObjData* O);
118 /* Insert imports and exports from the object file into the global import and
122 unsigned MakeGlobalStringId (const ObjData* O, unsigned Index);
123 /* Convert a local string id into a global one and return it. */
125 const char* GetObjFileName (const ObjData* O);
126 /* Get the name of the object file. Return "[linker generated]" if the object
130 #if defined(HAVE_INLINE)
131 INLINE int ObjHasFiles (const ObjData* O)
132 /* Return true if the files list does exist */
134 return (O != 0 && O->Files != 0);
137 # define ObjHasFiles(O) ((O) != 0 && (O)->Files != 0)
140 const char* GetSourceFileName (const ObjData* O, unsigned Index);
141 /* Get the name of the source file with the given index. If O is NULL, return
142 * "[linker generated]" as the file name.
147 /* End of objdata.h */