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More stringpool use / memory savings

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2199 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-06-05 16:50:01 +00:00
parent cea9aff3ef
commit eb5637b6e4
7 changed files with 233 additions and 136 deletions
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56
src/ld65/objdata.c
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@@ -41,6 +41,7 @@
/* ld65 */
#include "error.h"
#include "exports.h"
#include "fileinfo.h"
#include "objdata.h"
#include "spool.h"
@@ -53,11 +54,8 @@
/* 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;
@@ -75,8 +73,9 @@ ObjData* NewObjData (void)
/* Initialize the data */
O->Next = 0;
O->Name = 0;
O->LibName = 0;
O->Name = INVALID_STRING_ID;
O->LibName = INVALID_STRING_ID;
O->MTime = 0;
O->Flags = 0;
O->Start = 0;
O->ExportCount = 0;
@@ -90,24 +89,33 @@ ObjData* NewObjData (void)
O->StringCount = 0;
O->Strings = 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;
/* Return the new entry */
return O;
}
void FreeObjData (ObjData* O)
/* 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.
*/
{
/* Unused ObjData do only have the string pool, Exports and Imports. */
while (O->ExportCount) {
FreeExport (O->Exports[--O->ExportCount]);
}
xfree (O->Exports);
while (O->ImportCount) {
FreeImport (O->Imports[--O->ImportCount]);
}
xfree (O->Imports);
FreeObjStrings (O);
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.
@@ -122,6 +130,14 @@ void FreeObjStrings (ObjData* O)
void InsertObjData (ObjData* O)
/* Insert the ObjData object into the collection of used ObjData objects. */
{
CollAppend (&ObjDataList, O);
}
const char* GetObjString (const ObjData* O, unsigned Index)
/* Get a string from the object file string table. Abort if the string index
* is invalid.
@@ -153,7 +169,7 @@ const char* GetObjFileName (const ObjData* O)
* file is NULL.
*/
{
return O? O->Name : "[linker generated]";
return O? GetString (O->Name) : "[linker generated]";
}