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Separate processing the linker config file into two phases: The config file is

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read when the -t or -C switch is encountered and parts of it are processed.
The remaining parts are processed when all object files and libraries have
been read. To make this work, the expression evaluation in cfgexpr has been
rewritten to generate true expression trees. This means that expressions in
the linker config may use exports from the object files. 

Separation of config file processing is the base for several enhancements, for
example forced imports by linker config.

This code needs more work and is only very, very, very roughly tested.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4840 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2010-11-08 21:52:24 +00:00
parent 6c0a9c0438
commit da792b3fd0
21 changed files with 718 additions and 462 deletions
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13
src/ld65/exports.h
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@@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 1998-2009, Ullrich von Bassewitz */
/* (C) 1998-2010, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@@ -46,8 +46,9 @@
#include "filepos.h"
/* ld65 */
#include "objdata.h"
#include "config.h"
#include "memarea.h"
#include "objdata.h"
@@ -114,11 +115,11 @@ void FreeImport (Import* I);
Import* ReadImport (FILE* F, ObjData* Obj);
/* Read an import from a file and insert it into the table */
Import* GenImport (const char* Name, unsigned char AddrSize);
Import* GenImport (unsigned Name, unsigned char AddrSize);
/* Generate a new import with the given name and address size and return it */
void InsertImport (Import* I);
/* Insert an import into the table */
Import* InsertImport (Import* I);
/* Insert an import into the table, return I */
void FreeExport (Export* E);
/* Free an export. NOTE: This won't remove the export from the exports table,
@@ -135,7 +136,7 @@ void InsertExport (Export* E);
Export* CreateConstExport (unsigned Name, long Value);
/* Create an export for a literal date */
Export* CreateMemoryExport (unsigned Name, Memory* Mem, unsigned long Offs);
Export* CreateMemoryExport (unsigned Name, MemoryArea* Mem, unsigned long Offs);
/* Create an relative export for a memory area offset */
Export* CreateSegmentExport (unsigned Name, Segment* Seg, unsigned long Offs);