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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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32
src/ld65/o65.c
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@@ -6,9 +6,9 @@
/* */
/* */
/* */
/* (C) 1999-2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* (C) 1998-2003 Ullrich von Bassewitz */
/* R<EFBFBD>merstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
@@ -53,6 +53,7 @@
#include "global.h"
#include "lineinfo.h"
#include "o65.h"
#include "spool.h"
@@ -149,7 +150,7 @@ struct O65Desc {
ExtSymTab* Imports; /* Table with imported symbols */
unsigned Undef; /* Count of undefined symbols */
FILE* F; /* The file we're writing to */
char* Filename; /* Name of the output file */
const char* Filename; /* Name of the output file */
O65RelocTab* TextReloc; /* Relocation table for text segment */
O65RelocTab* DataReloc; /* Relocation table for data segment */
@@ -315,7 +316,7 @@ static void O65ParseExpr (ExprNode* Expr, ExprDesc* D, int Sign)
CircularRefError (E);
} else if (E->Expr == 0) {
/* Dummy export, must be an o65 imported symbol */
ExtSym* S = O65GetImport (D->D, E->Name);
ExtSym* S = O65GetImport (D->D, GetString (E->Name));
CHECK (S != 0);
if (D->ExtRef) {
/* We cannot have more than one external reference in o65 */
@@ -714,7 +715,7 @@ static void O65WriteSeg (O65Desc* D, SegDesc** Seg, unsigned Count, int DoWrite)
S = Seg [I];
/* Keep the user happy */
Print (stdout, 1, " Writing `%s'\n", S->Name);
Print (stdout, 1, " Writing `%s'\n", GetString (S->Name));
/* Write this segment */
if (DoWrite) {
@@ -868,7 +869,7 @@ static void O65WriteExports (O65Desc* D)
* export does really exist, so if it is unresolved, or if we don't
* find it, there is an error in the linker code.
*/
Export* E = FindExport (Name);
Export* E = FindExport (GetStringId (Name));
if (E == 0 || IsUnresolvedExport (E)) {
Internal ("Unresolved export `%s' found in O65WriteExports", Name);
}
@@ -1137,7 +1138,7 @@ void O65SetExport (O65Desc* D, const char* Ident)
/* Get the export for this symbol and check if it does exist and is
* a resolved symbol.
*/
Export* E = FindExport (Ident);
Export* E = FindExport (GetStringId (Ident));
if (E == 0 || IsUnresolvedExport (E)) {
Error ("Unresolved export: `%s'", Ident);
}
@@ -1224,11 +1225,11 @@ static void O65SetupSegments (O65Desc* D, File* F)
static int O65Unresolved (const char* Name, void* D)
static int O65Unresolved (unsigned Name, void* D)
/* Called if an unresolved symbol is encountered */
{
/* Check if the symbol is an imported o65 symbol */
if (O65GetImport (D, Name) != 0) {
if (O65GetImport (D, GetString (Name)) != 0) {
/* This is an external symbol, relax... */
return 1;
} else {
@@ -1280,7 +1281,7 @@ void O65WriteTarget (O65Desc* D, File* F)
time_t T;
/* Place the filename in the control structure */
D->Filename = F->Name;
D->Filename = GetString (F->Name);
/* Check for unresolved symbols. The function O65Unresolved is called
* if we get an unresolved symbol.
@@ -1299,13 +1300,13 @@ void O65WriteTarget (O65Desc* D, File* F)
O65SetupHeader (D);
/* Open the file */
D->F = fopen (F->Name, "wb");
D->F = fopen (D->Filename, "wb");
if (D->F == 0) {
Error ("Cannot open `%s': %s", F->Name, strerror (errno));
Error ("Cannot open `%s': %s", D->Filename, strerror (errno));
}
/* Keep the user happy */
Print (stdout, 1, "Opened `%s'...\n", F->Name);
Print (stdout, 1, "Opened `%s'...\n", D->Filename);
/* Define some more options: A timestamp and the linker version */
T = time (0);
@@ -1352,7 +1353,7 @@ void O65WriteTarget (O65Desc* D, File* F)
/* Close the file */
if (fclose (D->F) != 0) {
Error ("Cannot write to `%s': %s", F->Name, strerror (errno));
Error ("Cannot write to `%s': %s", D->Filename, strerror (errno));
}
/* Reset the file and filename */
@@ -1362,3 +1363,4 @@ void O65WriteTarget (O65Desc* D, File* F)