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Use a string pool to reduce the memory footprint

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2197 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-06-04 12:40:14 +00:00
parent 4937cd236f
commit edde7a3f45
27 changed files with 551 additions and 374 deletions
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23
src/ld65/exports.h
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@@ -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);