Use a string pool to reduce the memory footprint

[cc65] / src / ld65 / exports.h

diff --git a/src/ld65/exports.h b/src/ld65/exports.h
index 06cb763ddf84f6e1f0476590911c82be07cda9e2..c28d49ed4018954cc4bc0a9da13ed7d8e59d5803 100644 (file)
--- a/src/ld65/exports.h
+++ b/src/ld65/exports.h
@@ -63,10 +63,8 @@ struct Import {
     Import*            Next;           /* Single linked list */
     ObjData*           Obj;            /* Object file that imports the name */
     FilePos            Pos;            /* File position of reference */
-    union {
-       struct Export*  Exp;            /* Matching export for this import */
-               const char*     Name;           /* Name if not in table */
-    } V;
+    struct Export*     Exp;            /* Matching export for this import */
+    unsigned            Name;          /* Name if not in table */
     unsigned char      Type;           /* Type of import */
 };
 
@@ -75,6 +73,7 @@ struct Import {
 /* Export symbol structure */
 typedef struct Export Export;
 struct Export {
+    unsigned            Name;                  /* Name */
     Export*                    Next;           /* Hash table link */
     unsigned           Flags;          /* Generic flags */
     ObjData*           Obj;            /* Object file that exports the name */
@@ -84,7 +83,6 @@ struct Export {
     ExprNode*                  Expr;           /* Expression (0 if not def'd) */
     unsigned char      Type;           /* Type of export */
     unsigned char      ConDes[CD_TYPE_COUNT];  /* Constructor/destructor decls */
-    const char*                Name;           /* Name */
 };
 
 
@@ -95,7 +93,7 @@ struct Export {
  * resolved, or a value != zero if the symbol could be resolved. The
  * CheckExports routine will print out the missing symbol in the first case.
  */
-typedef int (*ExpCheckFunc) (const char* Name, void* Data);
+typedef int (*ExpCheckFunc) (unsigned Name, void* Data);
 
 
 
@@ -117,24 +115,24 @@ Export* ReadExport (FILE* F, ObjData* Obj);
 void InsertExport (Export* E);
 /* Insert an exported identifier and check if it's already in the list */
 
-Export* CreateConstExport (const char* Name, long Value);
+Export* CreateConstExport (unsigned Name, long Value);
 /* Create an export for a literal date */
 
-Export* CreateMemoryExport (const char* Name, Memory* Mem, unsigned long Offs);
+Export* CreateMemoryExport (unsigned Name, Memory* Mem, unsigned long Offs);
 /* Create an relative export for a memory area offset */
 
-Export* CreateSegmentExport (const char* Name, Segment* Seg, unsigned long Offs);
+Export* CreateSegmentExport (unsigned Name, Segment* Seg, unsigned long Offs);
 /* Create a relative export to a segment */
 
-Export* CreateSectionExport (const char* Name, Section* S, unsigned long Offs);
+Export* CreateSectionExport (unsigned Name, Section* S, unsigned long Offs);
 /* Create a relative export to a section */
 
-Export* FindExport (const char* Name);
+Export* FindExport (unsigned Name);
 /* Check for an identifier in the list. Return 0 if not found, otherwise
  * return a pointer to the export.
  */
 
-int IsUnresolved (const char* Name);
+int IsUnresolved (unsigned Name);
 /* Check if this symbol is an unresolved export */
 
 int IsUnresolvedExport (const Export* E);
@@ -180,3 +178,4 @@ void CircularRefError (const Export* E);
 
 
 
+