/*****************************************************************************/
/* */
-/* objdata.c */
+/* objdata.c */
/* */
-/* Handling object file data for the ld65 linker */
+/* Handling object file data for the ld65 linker */
/* */
/* */
/* */
-/* (C) 1998-2001 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2011, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* ld65 */
#include "error.h"
+#include "exports.h"
+#include "fileinfo.h"
+#include "library.h"
#include "objdata.h"
+#include "spool.h"
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
-/* Object data list management */
-unsigned ObjCount = 0; /* Count of object files in the list */
-ObjData* ObjRoot = 0; /* List of object files */
-ObjData* ObjLast = 0; /* Last entry in list */
-ObjData** ObjPool = 0; /* Object files as array */
+/* Collection containing used ObjData objects */
+Collection ObjDataList = STATIC_COLLECTION_INITIALIZER;
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
ObjData* O = xmalloc (sizeof (ObjData));
/* Initialize the data */
- O->Next = 0;
- O->Name = 0;
- O->LibName = 0;
- O->Flags = 0;
- O->Start = 0;
- O->ExportCount = 0;
- O->Exports = 0;
- O->ImportCount = 0;
- O->Imports = 0;
- O->DbgSymCount = 0;
- O->DbgSyms = 0;
- O->LineInfoCount = 0;
- O->LineInfos = 0;
-
- /* Link it into the list */
- if (ObjLast) {
- ObjLast->Next = O;
- ObjLast = O;
- } else {
- /* First entry */
- ObjRoot = ObjLast = O;
- }
-
- /* One object file more now */
- ++ObjCount;
+ O->Next = 0;
+ O->Name = INVALID_STRING_ID;
+ O->Lib = 0;
+ O->MTime = 0;
+ O->Start = 0;
+ O->Flags = 0;
+ O->HLLSymBaseId = 0;
+ O->SymBaseId = 0;
+ O->ScopeBaseId = 0;
+ O->SpanBaseId = 0;
+ O->Files = EmptyCollection;
+ O->Sections = EmptyCollection;
+ O->Exports = EmptyCollection;
+ O->Imports = EmptyCollection;
+ O->DbgSyms = EmptyCollection;
+ O->HLLDbgSyms = EmptyCollection;
+ O->LineInfos = EmptyCollection;
+ O->StringCount = 0;
+ O->Strings = 0;
+ O->Assertions = EmptyCollection;
+ O->Scopes = EmptyCollection;
+ O->Spans = EmptyCollection;
/* Return the new entry */
return O;
void FreeObjData (ObjData* O)
-/* Free a complete struct */
+/* Free an ObjData object. NOTE: This function works only for unused object
+ * data, that is, ObjData objects that aren't used because they aren't
+ * referenced.
+ */
{
- xfree (O->Name);
- xfree (O->Imports);
- xfree (O->Exports);
- xfree (O->DbgSyms);
- xfree (O->LineInfos);
+ unsigned I;
+
+ for (I = 0; I < CollCount (&O->Files); ++I) {
+ CollDeleteItem (&((FileInfo*) CollAtUnchecked (&O->Files, I))->Modules, O);
+ }
+ DoneCollection (&O->Files);
+ DoneCollection (&O->Sections);
+ for (I = 0; I < CollCount (&O->Exports); ++I) {
+ FreeExport (CollAtUnchecked (&O->Exports, I));
+ }
+ DoneCollection (&O->Exports);
+ for (I = 0; I < CollCount (&O->Imports); ++I) {
+ FreeImport (CollAtUnchecked (&O->Imports, I));
+ }
+ DoneCollection (&O->Imports);
+ DoneCollection (&O->DbgSyms);
+ DoneCollection (&O->HLLDbgSyms);
+
+ for (I = 0; I < CollCount (&O->LineInfos); ++I) {
+ FreeLineInfo (CollAtUnchecked (&O->LineInfos, I));
+ }
+ DoneCollection (&O->LineInfos);
+ xfree (O->Strings);
+ DoneCollection (&O->Assertions);
+ DoneCollection (&O->Scopes);
+ for (I = 0; I < CollCount (&O->Spans); ++I) {
+ FreeSpan (CollAtUnchecked (&O->Spans, I));
+ }
+ DoneCollection (&O->Spans);
+
xfree (O);
}
+void FreeObjStrings (ObjData* O)
+/* Free the module string data. Used once the object file is loaded completely
+ * when all strings are converted to global strings.
+ */
+{
+ xfree (O->Strings);
+ O->Strings = 0;
+}
+
+
+
+void InsertObjData (ObjData* O)
+/* Insert the ObjData object into the collection of used ObjData objects. */
+{
+ CollAppend (&ObjDataList, O);
+}
+
+
+
+void InsertObjGlobals (ObjData* O)
+/* Insert imports and exports from the object file into the global import and
+ * export lists.
+ */
+{
+ unsigned I;
+
+ /* Insert exports and imports */
+ for (I = 0; I < CollCount (&O->Exports); ++I) {
+ InsertExport (CollAt (&O->Exports, I));
+ }
+ for (I = 0; I < CollCount (&O->Imports); ++I) {
+ InsertImport (CollAt (&O->Imports, I));
+ }
+}
+
+
+
+unsigned MakeGlobalStringId (const ObjData* O, unsigned Index)
+/* Convert a local string id into a global one and return it. */
+{
+ if (Index >= O->StringCount) {
+ Error ("Invalid string index (%u) in module `%s'",
+ Index, GetObjFileName (O));
+ }
+ return O->Strings[Index];
+}
+
+
+
const char* GetObjFileName (const ObjData* O)
/* Get the name of the object file. Return "[linker generated]" if the object
* file is NULL.
*/
{
- return O? O->Name : "[linker generated]";
+ return O? GetString (O->Name) : "[linker generated]";
}
-const char* GetSourceFileName (const ObjData* O, unsigned Index)
-/* Get the name of the source file with the given index. If O is NULL, return
- * "[linker generated]" as the file name.
- */
+const struct StrBuf* GetObjString (const ObjData* Obj, unsigned Id)
+/* Get a string from an object file checking for an invalid index */
+{
+ return GetStrBuf (MakeGlobalStringId (Obj, Id));
+}
+
+
+
+struct Section* GetObjSection (const ObjData* O, unsigned Id)
+/* Get a section from an object file checking for a valid index */
+{
+ if (Id >= CollCount (&O->Sections)) {
+ Error ("Invalid section index (%u) in module `%s'",
+ Id, GetObjFileName (O));
+ }
+ return CollAtUnchecked (&O->Sections, Id);
+}
+
+
+
+struct Import* GetObjImport (const ObjData* O, unsigned Id)
+/* Get an import from an object file checking for a valid index */
+{
+ if (Id >= CollCount (&O->Imports)) {
+ Error ("Invalid import index (%u) in module `%s'",
+ Id, GetObjFileName (O));
+ }
+ return CollAtUnchecked (&O->Imports, Id);
+}
+
+
+
+struct Export* GetObjExport (const ObjData* O, unsigned Id)
+/* Get an export from an object file checking for a valid index */
+{
+ if (Id >= CollCount (&O->Exports)) {
+ Error ("Invalid export index (%u) in module `%s'",
+ Id, GetObjFileName (O));
+ }
+ return CollAtUnchecked (&O->Exports, Id);
+}
+
+
+
+struct DbgSym* GetObjDbgSym (const ObjData* O, unsigned Id)
+/* Get a debug symbol from an object file checking for a valid index */
+{
+ if (Id >= CollCount (&O->DbgSyms)) {
+ Error ("Invalid debug symbol index (%u) in module `%s'",
+ Id, GetObjFileName (O));
+ }
+ return CollAtUnchecked (&O->DbgSyms, Id);
+}
+
+
+
+struct Scope* GetObjScope (const ObjData* O, unsigned Id)
+/* Get a scope from an object file checking for a valid index */
+{
+ if (Id >= CollCount (&O->Scopes)) {
+ Error ("Invalid scope index (%u) in module `%s'",
+ Id, GetObjFileName (O));
+ }
+ return CollAtUnchecked (&O->Scopes, Id);
+}
+
+
+
+unsigned ObjDataCount (void)
+/* Return the total number of modules */
+{
+ return CollCount (&ObjDataList);
+}
+
+
+
+void PrintDbgModules (FILE* F)
+/* Output the modules to a debug info file */
{
- /* Check if we have an object file */
- if (O == 0) {
+ unsigned I;
- /* No object file */
- return "[linker generated]";
+ /* Output modules */
+ for (I = 0; I < CollCount (&ObjDataList); ++I) {
- } else {
+ /* Get this object file */
+ const ObjData* O = CollConstAt (&ObjDataList, I);
- /* Check the parameter */
- PRECONDITION (Index < O->FileCount);
+ /* The main source file is the one at index zero */
+ const FileInfo* Source = CollConstAt (&O->Files, 0);
- /* Return the name */
- return O->Files[Index];
+ /* Output the module line */
+ fprintf (F,
+ "mod\tid=%u,name=\"%s\",file=%u",
+ I,
+ GetObjFileName (O),
+ Source->Id);
+ /* Add library if any */
+ if (O->Lib != 0) {
+ fprintf (F, ",lib=%u", GetLibId (O->Lib));
+ }
+
+ /* Terminate the output line */
+ fputc ('\n', F);
}
+
}
projects / cc65 / blobdiff