/*****************************************************************************/
/* */
-/* config.c */
+/* config.c */
/* */
-/* Target configuration file for the ld65 linker */
+/* Target configuration file for the ld65 linker */
/* */
/* */
/* */
-/* (C) 1998-2010, Ullrich von Bassewitz */
+/* (c) 1998-2013, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
+/* With contributions from: */
+/* */
+/* - "David M. Lloyd" <david.lloyd@redhat.com> */
+/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
#include <errno.h>
/* common */
+#include "addrsize.h"
#include "bitops.h"
#include "check.h"
#include "print.h"
+#include "segdefs.h"
+#include "target.h"
#include "xmalloc.h"
#include "xsprintf.h"
/* ld65 */
+#include "alignment.h"
#include "bin.h"
#include "binfmt.h"
#include "cfgexpr.h"
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
static Collection MemoryAreas = STATIC_COLLECTION_INITIALIZER;
/* Memory attributes */
-#define MA_START 0x0001
-#define MA_SIZE 0x0002
-#define MA_TYPE 0x0004
-#define MA_FILE 0x0008
-#define MA_DEFINE 0x0010
-#define MA_FILL 0x0020
-#define MA_FILLVAL 0x0040
+#define MA_START 0x0001
+#define MA_SIZE 0x0002
+#define MA_TYPE 0x0004
+#define MA_FILE 0x0008
+#define MA_DEFINE 0x0010
+#define MA_FILL 0x0020
+#define MA_FILLVAL 0x0040
+#define MA_BANK 0x0080
/* Segment list */
static Collection SegDescList = STATIC_COLLECTION_INITIALIZER;
/* Segment attributes */
-#define SA_TYPE 0x0001
-#define SA_LOAD 0x0002
-#define SA_RUN 0x0004
-#define SA_ALIGN 0x0008
+#define SA_TYPE 0x0001
+#define SA_LOAD 0x0002
+#define SA_RUN 0x0004
+#define SA_ALIGN 0x0008
#define SA_ALIGN_LOAD 0x0010
-#define SA_DEFINE 0x0020
-#define SA_OFFSET 0x0040
-#define SA_START 0x0080
+#define SA_DEFINE 0x0020
+#define SA_OFFSET 0x0040
+#define SA_START 0x0080
#define SA_OPTIONAL 0x0100
+#define SA_FILLVAL 0x0200
+
+/* Symbol types used in the CfgSymbol structure */
+typedef enum {
+ CfgSymExport, /* Not really used in struct CfgSymbol */
+ CfgSymImport, /* Dito */
+ CfgSymWeak, /* Like export but weak */
+ CfgSymO65Export, /* An o65 export */
+ CfgSymO65Import, /* An o65 import */
+} CfgSymType;
/* Symbol structure. It is used for o65 imports and exports, but also for
- * symbols from the SYMBOLS sections (symbols defined in the config file or
- * forced imports).
- */
-typedef struct Symbol Symbol;
-struct Symbol {
- const char* CfgName; /* Config file name */
- unsigned CfgLine; /* Config file position */
- unsigned CfgCol;
+** symbols from the SYMBOLS sections (symbols defined in the config file or
+** forced imports).
+*/
+typedef struct CfgSymbol CfgSymbol;
+struct CfgSymbol {
+ CfgSymType Type; /* Type of symbol */
+ LineInfo* LI; /* Config file position */
unsigned Name; /* Symbol name */
- unsigned Flags; /* Symbol flags */
- long Val; /* Symbol value if any */
+ ExprNode* Value; /* Symbol value if any */
+ unsigned AddrSize; /* Address size of symbol */
};
/* Collections with symbols */
-static Collection O65Imports = STATIC_COLLECTION_INITIALIZER;
-static Collection O65Exports = STATIC_COLLECTION_INITIALIZER;
-static Collection Symbols = STATIC_COLLECTION_INITIALIZER;
-
-/* Symbol flags */
-#define SYM_NONE 0x00 /* No special meaning */
-#define SYM_DEF 0x01 /* Symbol defined in the config file */
-#define SYM_WEAK 0x02 /* Defined symbol is weak */
-#define SYM_IMPORT 0x04 /* A forced import */
+static Collection CfgSymbols = STATIC_COLLECTION_INITIALIZER;
/* Descriptor holding information about the binary formats */
-static BinDesc* BinFmtDesc = 0;
-static O65Desc* O65FmtDesc = 0;
+static BinDesc* BinFmtDesc = 0;
+static O65Desc* O65FmtDesc = 0;
/*****************************************************************************/
-/* Forwards */
+/* Forwards */
/*****************************************************************************/
/*****************************************************************************/
-/* List management */
+/* List management */
/*****************************************************************************/
unsigned I;
for (I = 0; I < CollCount (&FileList); ++I) {
File* F = CollAtUnchecked (&FileList, I);
- if (F->Name == Name) {
- return F;
- }
+ if (F->Name == Name) {
+ return F;
+ }
}
return 0;
}
{
File* F = FindFile (Name);
if (F == 0) {
- /* Create a new one */
- F = NewFile (Name);
+ /* Create a new one */
+ F = NewFile (Name);
}
return F;
}
unsigned I;
for (I = 0; I < CollCount (&MemoryAreas); ++I) {
MemoryArea* M = CollAtUnchecked (&MemoryAreas, I);
- if (M->Name == Name) {
- return M;
- }
+ if (M->Name == Name) {
+ return M;
+ }
}
return 0;
}
{
MemoryArea* M = CfgFindMemory (Name);
if (M == 0) {
- CfgError ("Invalid memory area `%s'", GetString (Name));
+ CfgError (&CfgErrorPos, "Invalid memory area `%s'", GetString (Name));
}
return M;
}
unsigned I;
for (I = 0; I < CollCount (&SegDescList); ++I) {
SegDesc* S = CollAtUnchecked (&SegDescList, I);
- if (S->Name == Name) {
- /* Found */
- return S;
- }
+ if (S->Name == Name) {
+ /* Found */
+ return S;
+ }
}
/* Not found */
/*****************************************************************************/
-/* Constructors/Destructors */
+/* Constructors/Destructors */
/*****************************************************************************/
-static Symbol* NewSymbol (unsigned Name, unsigned Flags, long Val)
-/* Create a new Symbol structure with the given name name and flags. The
- * current config file position is recorded in the returned struct.
- */
+static CfgSymbol* NewCfgSymbol (CfgSymType Type, unsigned Name)
+/* Create a new CfgSymbol structure with the given type and name. The
+** current config file position is recorded in the returned struct. The
+** created struct is inserted into the CfgSymbols collection and returned.
+*/
{
/* Allocate memory */
- Symbol* Sym = xmalloc (sizeof (Symbol));
+ CfgSymbol* Sym = xmalloc (sizeof (CfgSymbol));
/* Initialize the fields */
- Sym->CfgName = CfgGetName ();
- Sym->CfgLine = CfgErrorLine;
- Sym->CfgCol = CfgErrorCol;
- Sym->Name = Name;
- Sym->Flags = Flags;
- Sym->Val = Val;
+ Sym->Type = Type;
+ Sym->LI = GenLineInfo (&CfgErrorPos);
+ Sym->Name = Name;
+ Sym->Value = 0;
+ Sym->AddrSize = ADDR_SIZE_INVALID;
+
+ /* Insert the symbol into the collection */
+ CollAppend (&CfgSymbols, Sym);
/* Return the initialized struct */
return Sym;
-static Symbol* NewO65Symbol (void)
-/* Create a new Symbol structure with the name in the current CfgSVal variable
- * ready for use as an o65 symbol. The current config file position is recorded
- * in the returned struct.
- */
-{
- return NewSymbol (GetStrBufId (&CfgSVal), SYM_NONE, 0);
-}
-
-
-
static File* NewFile (unsigned Name)
/* Create a new file descriptor and insert it into the list */
{
F->Name = Name;
F->Flags = 0;
F->Format = BINFMT_DEFAULT;
+ F->Size = 0;
InitCollection (&F->MemoryAreas);
/* Insert the struct into the list */
-static MemoryArea* CreateMemoryArea (unsigned Name)
+static MemoryArea* CreateMemoryArea (const FilePos* Pos, unsigned Name)
/* Create a new memory area and insert it into the list */
{
/* Check for duplicate names */
MemoryArea* M = CfgFindMemory (Name);
if (M) {
- CfgError ("Memory area `%s' defined twice", GetString (Name));
+ CfgError (&CfgErrorPos,
+ "Memory area `%s' defined twice",
+ GetString (Name));
}
/* Create a new memory area */
- M = NewMemoryArea (Name);
+ M = NewMemoryArea (Pos, Name);
/* Insert the struct into the list ... */
CollAppend (&MemoryAreas, M);
/* Check for duplicate names */
SegDesc* S = CfgFindSegDesc (Name);
if (S) {
- CfgError ("Segment `%s' defined twice", GetString (Name));
+ CfgError (&CfgErrorPos, "Segment `%s' defined twice", GetString (Name));
}
/* Allocate memory */
S = xmalloc (sizeof (SegDesc));
/* Initialize the fields */
- S->Name = Name;
- S->Seg = 0;
- S->Attr = 0;
- S->Flags = 0;
- S->Align = 0;
+ S->Name = Name;
+ S->LI = GenLineInfo (&CfgErrorPos);
+ S->Seg = 0;
+ S->Attr = 0;
+ S->Flags = 0;
+ S->FillVal = 0;
+ S->RunAlignment = 1;
+ S->LoadAlignment = 1;
/* Insert the struct into the list ... */
CollAppend (&SegDescList, S);
static void FreeSegDesc (SegDesc* S)
/* Free a segment descriptor */
{
+ FreeLineInfo (S->LI);
xfree (S);
}
static void FlagAttr (unsigned* Flags, unsigned Mask, const char* Name)
/* Check if the item is already defined. Print an error if so. If not, set
- * the marker that we have a definition now.
- */
+** the marker that we have a definition now.
+*/
{
if (*Flags & Mask) {
- CfgError ("%s is already defined", Name);
+ CfgError (&CfgErrorPos, "%s is already defined", Name);
}
*Flags |= Mask;
}
/* Check that a mandatory attribute was given */
{
if ((Attr & Mask) == 0) {
- CfgError ("%s attribute is missing", Name);
+ CfgError (&CfgErrorPos, "%s attribute is missing", Name);
}
}
/* Parse a MEMORY section */
{
static const IdentTok Attributes [] = {
- { "START", CFGTOK_START },
- { "SIZE", CFGTOK_SIZE },
- { "TYPE", CFGTOK_TYPE },
- { "FILE", CFGTOK_FILE },
+ { "BANK", CFGTOK_BANK },
{ "DEFINE", CFGTOK_DEFINE },
- { "FILL", CFGTOK_FILL },
- { "FILLVAL", CFGTOK_FILLVAL },
+ { "FILE", CFGTOK_FILE },
+ { "FILL", CFGTOK_FILL },
+ { "FILLVAL", CFGTOK_FILLVAL },
+ { "SIZE", CFGTOK_SIZE },
+ { "START", CFGTOK_START },
+ { "TYPE", CFGTOK_TYPE },
};
static const IdentTok Types [] = {
- { "RO", CFGTOK_RO },
- { "RW", CFGTOK_RW },
+ { "RO", CFGTOK_RO },
+ { "RW", CFGTOK_RW },
};
while (CfgTok == CFGTOK_IDENT) {
- /* Create a new entry on the heap */
- MemoryArea* M = CreateMemoryArea (GetStrBufId (&CfgSVal));
+ /* Create a new entry on the heap */
+ MemoryArea* M = CreateMemoryArea (&CfgErrorPos, GetStrBufId (&CfgSVal));
- /* Skip the name and the following colon */
- CfgNextTok ();
- CfgConsumeColon ();
+ /* Skip the name and the following colon */
+ CfgNextTok ();
+ CfgConsumeColon ();
- /* Read the attributes */
- while (CfgTok == CFGTOK_IDENT) {
+ /* Read the attributes */
+ while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
- /* Check which attribute was given */
- switch (AttrTok) {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- case CFGTOK_START:
- FlagAttr (&M->Attr, MA_START, "START");
- M->StartExpr = CfgExpr ();
- break;
-
- case CFGTOK_SIZE:
- FlagAttr (&M->Attr, MA_SIZE, "SIZE");
- M->SizeExpr = CfgExpr ();
- break;
-
- case CFGTOK_TYPE:
- FlagAttr (&M->Attr, MA_TYPE, "TYPE");
- CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
- if (CfgTok == CFGTOK_RO) {
- M->Flags |= MF_RO;
- }
- CfgNextTok ();
- break;
+ case CFGTOK_BANK:
+ FlagAttr (&M->Attr, MA_BANK, "BANK");
+ M->BankExpr = CfgExpr ();
+ break;
- case CFGTOK_FILE:
- FlagAttr (&M->Attr, MA_FILE, "FILE");
- CfgAssureStr ();
- /* Get the file entry and insert the memory area */
- FileInsert (GetFile (GetStrBufId (&CfgSVal)), M);
+ case CFGTOK_DEFINE:
+ FlagAttr (&M->Attr, MA_DEFINE, "DEFINE");
+ /* Map the token to a boolean */
+ CfgBoolToken ();
+ if (CfgTok == CFGTOK_TRUE) {
+ M->Flags |= MF_DEFINE;
+ }
CfgNextTok ();
- break;
-
- case CFGTOK_DEFINE:
- FlagAttr (&M->Attr, MA_DEFINE, "DEFINE");
- /* Map the token to a boolean */
- CfgBoolToken ();
- if (CfgTok == CFGTOK_TRUE) {
- M->Flags |= MF_DEFINE;
- }
+ break;
+
+ case CFGTOK_FILE:
+ FlagAttr (&M->Attr, MA_FILE, "FILE");
+ CfgAssureStr ();
+ /* Get the file entry and insert the memory area */
+ FileInsert (GetFile (GetStrBufId (&CfgSVal)), M);
CfgNextTok ();
- break;
-
- case CFGTOK_FILL:
- FlagAttr (&M->Attr, MA_FILL, "FILL");
- /* Map the token to a boolean */
- CfgBoolToken ();
- if (CfgTok == CFGTOK_TRUE) {
- M->Flags |= MF_FILL;
- }
+ break;
+
+ case CFGTOK_FILL:
+ FlagAttr (&M->Attr, MA_FILL, "FILL");
+ /* Map the token to a boolean */
+ CfgBoolToken ();
+ if (CfgTok == CFGTOK_TRUE) {
+ M->Flags |= MF_FILL;
+ }
CfgNextTok ();
- break;
+ break;
- case CFGTOK_FILLVAL:
- FlagAttr (&M->Attr, MA_FILLVAL, "FILLVAL");
- M->FillVal = (unsigned char) CfgCheckedConstExpr (0, 0xFF);
- break;
+ case CFGTOK_FILLVAL:
+ FlagAttr (&M->Attr, MA_FILLVAL, "FILLVAL");
+ M->FillVal = (unsigned char) CfgCheckedConstExpr (0, 0xFF);
+ break;
- default:
- FAIL ("Unexpected attribute token");
+ case CFGTOK_SIZE:
+ FlagAttr (&M->Attr, MA_SIZE, "SIZE");
+ M->SizeExpr = CfgExpr ();
+ break;
- }
+ case CFGTOK_START:
+ FlagAttr (&M->Attr, MA_START, "START");
+ M->StartExpr = CfgExpr ();
+ break;
+
+ case CFGTOK_TYPE:
+ FlagAttr (&M->Attr, MA_TYPE, "TYPE");
+ CfgSpecialToken (Types, ENTRY_COUNT (Types), "TYPE");
+ if (CfgTok == CFGTOK_RO) {
+ M->Flags |= MF_RO;
+ }
+ CfgNextTok ();
+ break;
- /* Skip an optional comma */
- CfgOptionalComma ();
- }
+ default:
+ FAIL ("Unexpected attribute token");
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ }
+
+ /* Skip an optional comma */
+ CfgOptionalComma ();
+ }
- /* Check for mandatory parameters */
- AttrCheck (M->Attr, MA_START, "START");
- AttrCheck (M->Attr, MA_SIZE, "SIZE");
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
- /* If we don't have a file name for output given, use the default
- * file name.
- */
- if ((M->Attr & MA_FILE) == 0) {
- FileInsert (GetFile (GetStringId (OutputName)), M);
- }
+ /* Check for mandatory parameters */
+ AttrCheck (M->Attr, MA_START, "START");
+ AttrCheck (M->Attr, MA_SIZE, "SIZE");
+
+ /* If we don't have a file name for output given, use the default
+ ** file name.
+ */
+ if ((M->Attr & MA_FILE) == 0) {
+ FileInsert (GetFile (GetStringId (OutputName)), M);
+ OutputNameUsed = 1;
+ }
}
/* Remember we had this section */
/* Parse a FILES section */
{
static const IdentTok Attributes [] = {
- { "FORMAT", CFGTOK_FORMAT },
+ { "FORMAT", CFGTOK_FORMAT },
};
static const IdentTok Formats [] = {
- { "O65", CFGTOK_O65 },
- { "BIN", CFGTOK_BIN },
- { "BINARY", CFGTOK_BIN },
+ { "O65", CFGTOK_O65 },
+ { "BIN", CFGTOK_BIN },
+ { "BINARY", CFGTOK_BIN },
};
/* The MEMORY section must preceed the FILES section */
if ((SectionsEncountered & SE_MEMORY) == 0) {
- CfgError ("MEMORY must precede FILES");
+ CfgError (&CfgErrorPos, "MEMORY must precede FILES");
}
/* Parse all files */
while (CfgTok != CFGTOK_RCURLY) {
- File* F;
+ File* F;
- /* We expect a string value here */
- CfgAssureStr ();
+ /* We expect a string value here */
+ CfgAssureStr ();
- /* Search for the file, it must exist */
- F = FindFile (GetStrBufId (&CfgSVal));
- if (F == 0) {
- CfgError ("File `%s' not found in MEMORY section",
+ /* Search for the file, it must exist */
+ F = FindFile (GetStrBufId (&CfgSVal));
+ if (F == 0) {
+ CfgError (&CfgErrorPos,
+ "File `%s' not found in MEMORY section",
SB_GetConstBuf (&CfgSVal));
- }
+ }
- /* Skip the token and the following colon */
- CfgNextTok ();
- CfgConsumeColon ();
+ /* Skip the token and the following colon */
+ CfgNextTok ();
+ CfgConsumeColon ();
- /* Read the attributes */
- while (CfgTok == CFGTOK_IDENT) {
+ /* Read the attributes */
+ while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
- /* Check which attribute was given */
- switch (AttrTok) {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- case CFGTOK_FORMAT:
- if (F->Format != BINFMT_DEFAULT) {
- /* We've set the format already! */
- Error ("Cannot set a file format twice");
- }
- /* Read the format token */
- CfgSpecialToken (Formats, ENTRY_COUNT (Formats), "Format");
- switch (CfgTok) {
+ case CFGTOK_FORMAT:
+ if (F->Format != BINFMT_DEFAULT) {
+ /* We've set the format already! */
+ CfgError (&CfgErrorPos,
+ "Cannot set a file format twice");
+ }
+ /* Read the format token */
+ CfgSpecialToken (Formats, ENTRY_COUNT (Formats), "Format");
+ switch (CfgTok) {
- case CFGTOK_BIN:
- F->Format = BINFMT_BINARY;
- break;
+ case CFGTOK_BIN:
+ F->Format = BINFMT_BINARY;
+ break;
- case CFGTOK_O65:
- F->Format = BINFMT_O65;
- break;
+ case CFGTOK_O65:
+ F->Format = BINFMT_O65;
+ break;
- default:
- Error ("Unexpected format token");
- }
- break;
+ default:
+ Error ("Unexpected format token");
+ }
+ break;
- default:
- FAIL ("Unexpected attribute token");
+ default:
+ FAIL ("Unexpected attribute token");
- }
+ }
- /* Skip the attribute value and an optional comma */
- CfgNextTok ();
- CfgOptionalComma ();
- }
+ /* Skip the attribute value and an optional comma */
+ CfgNextTok ();
+ CfgOptionalComma ();
+ }
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
}
{ "ALIGN", CFGTOK_ALIGN },
{ "ALIGN_LOAD", CFGTOK_ALIGN_LOAD },
{ "DEFINE", CFGTOK_DEFINE },
- { "LOAD", CFGTOK_LOAD },
- { "OFFSET", CFGTOK_OFFSET },
+ { "FILLVAL", CFGTOK_FILLVAL },
+ { "LOAD", CFGTOK_LOAD },
+ { "OFFSET", CFGTOK_OFFSET },
{ "OPTIONAL", CFGTOK_OPTIONAL },
- { "RUN", CFGTOK_RUN },
- { "START", CFGTOK_START },
+ { "RUN", CFGTOK_RUN },
+ { "START", CFGTOK_START },
{ "TYPE", CFGTOK_TYPE },
};
static const IdentTok Types [] = {
- { "RO", CFGTOK_RO },
- { "RW", CFGTOK_RW },
- { "BSS", CFGTOK_BSS },
- { "ZP", CFGTOK_ZP },
+ { "RO", CFGTOK_RO },
+ { "RW", CFGTOK_RW },
+ { "BSS", CFGTOK_BSS },
+ { "ZP", CFGTOK_ZP },
+ { "OVERWRITE", CFGTOK_OVERWRITE },
};
unsigned Count;
- long Val;
/* The MEMORY section must preceed the SEGMENTS section */
if ((SectionsEncountered & SE_MEMORY) == 0) {
- CfgError ("MEMORY must precede SEGMENTS");
+ CfgError (&CfgErrorPos, "MEMORY must precede SEGMENTS");
}
while (CfgTok == CFGTOK_IDENT) {
- SegDesc* S;
+ SegDesc* S;
- /* Create a new entry on the heap */
- S = NewSegDesc (GetStrBufId (&CfgSVal));
+ /* Create a new entry on the heap */
+ S = NewSegDesc (GetStrBufId (&CfgSVal));
- /* Skip the name and the following colon */
- CfgNextTok ();
- CfgConsumeColon ();
+ /* Skip the name and the following colon */
+ CfgNextTok ();
+ CfgConsumeColon ();
- /* Read the attributes */
- while (CfgTok == CFGTOK_IDENT) {
+ /* Read the attributes */
+ while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
- /* Check which attribute was given */
- switch (AttrTok) {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- case CFGTOK_ALIGN:
- FlagAttr (&S->Attr, SA_ALIGN, "ALIGN");
- Val = CfgCheckedConstExpr (1, 0x10000);
- S->Align = BitFind (Val);
- if ((0x01L << S->Align) != Val) {
- CfgError ("Alignment must be a power of 2");
- }
- S->Flags |= SF_ALIGN;
- break;
+ case CFGTOK_ALIGN:
+ FlagAttr (&S->Attr, SA_ALIGN, "ALIGN");
+ S->RunAlignment = (unsigned) CfgCheckedConstExpr (1, MAX_ALIGNMENT);
+ S->Flags |= SF_ALIGN;
+ break;
case CFGTOK_ALIGN_LOAD:
- FlagAttr (&S->Attr, SA_ALIGN_LOAD, "ALIGN_LOAD");
- Val = CfgCheckedConstExpr (1, 0x10000);
- S->AlignLoad = BitFind (Val);
- if ((0x01L << S->AlignLoad) != Val) {
- CfgError ("Alignment must be a power of 2");
- }
- S->Flags |= SF_ALIGN_LOAD;
- break;
-
- case CFGTOK_DEFINE:
- FlagAttr (&S->Attr, SA_DEFINE, "DEFINE");
- /* Map the token to a boolean */
- CfgBoolToken ();
- if (CfgTok == CFGTOK_TRUE) {
- S->Flags |= SF_DEFINE;
- }
+ FlagAttr (&S->Attr, SA_ALIGN_LOAD, "ALIGN_LOAD");
+ S->LoadAlignment = (unsigned) CfgCheckedConstExpr (1, MAX_ALIGNMENT);
+ S->Flags |= SF_ALIGN_LOAD;
+ break;
+
+ case CFGTOK_DEFINE:
+ FlagAttr (&S->Attr, SA_DEFINE, "DEFINE");
+ /* Map the token to a boolean */
+ CfgBoolToken ();
+ if (CfgTok == CFGTOK_TRUE) {
+ S->Flags |= SF_DEFINE;
+ }
CfgNextTok ();
- break;
+ break;
+
+ case CFGTOK_FILLVAL:
+ FlagAttr (&S->Attr, SA_FILLVAL, "FILLVAL");
+ S->FillVal = (unsigned char) CfgCheckedConstExpr (0, 0xFF);
+ S->Flags |= SF_FILLVAL;
+ break;
- case CFGTOK_LOAD:
- FlagAttr (&S->Attr, SA_LOAD, "LOAD");
- S->Load = CfgGetMemory (GetStrBufId (&CfgSVal));
+ case CFGTOK_LOAD:
+ FlagAttr (&S->Attr, SA_LOAD, "LOAD");
+ S->Load = CfgGetMemory (GetStrBufId (&CfgSVal));
CfgNextTok ();
- break;
-
- case CFGTOK_OFFSET:
- FlagAttr (&S->Attr, SA_OFFSET, "OFFSET");
- S->Addr = CfgCheckedConstExpr (1, 0x1000000);
- S->Flags |= SF_OFFSET;
- break;
-
- case CFGTOK_OPTIONAL:
- FlagAttr (&S->Attr, SA_OPTIONAL, "OPTIONAL");
- CfgBoolToken ();
- if (CfgTok == CFGTOK_TRUE) {
- S->Flags |= SF_OPTIONAL;
- }
+ break;
+
+ case CFGTOK_OFFSET:
+ FlagAttr (&S->Attr, SA_OFFSET, "OFFSET");
+ S->Addr = CfgCheckedConstExpr (1, 0x1000000);
+ S->Flags |= SF_OFFSET;
+ break;
+
+ case CFGTOK_OPTIONAL:
+ FlagAttr (&S->Attr, SA_OPTIONAL, "OPTIONAL");
+ CfgBoolToken ();
+ if (CfgTok == CFGTOK_TRUE) {
+ S->Flags |= SF_OPTIONAL;
+ }
CfgNextTok ();
- break;
+ break;
- case CFGTOK_RUN:
- FlagAttr (&S->Attr, SA_RUN, "RUN");
- S->Run = CfgGetMemory (GetStrBufId (&CfgSVal));
+ case CFGTOK_RUN:
+ FlagAttr (&S->Attr, SA_RUN, "RUN");
+ S->Run = CfgGetMemory (GetStrBufId (&CfgSVal));
CfgNextTok ();
- break;
-
- case CFGTOK_START:
- FlagAttr (&S->Attr, SA_START, "START");
- S->Addr = CfgCheckedConstExpr (1, 0x1000000);
- S->Flags |= SF_START;
- break;
-
- case CFGTOK_TYPE:
- FlagAttr (&S->Attr, SA_TYPE, "TYPE");
- CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
- switch (CfgTok) {
- case CFGTOK_RO: S->Flags |= SF_RO; break;
- case CFGTOK_RW: /* Default */ break;
- case CFGTOK_BSS: S->Flags |= SF_BSS; break;
- case CFGTOK_ZP: S->Flags |= (SF_BSS | SF_ZP); break;
- default: Internal ("Unexpected token: %d", CfgTok);
- }
+ break;
+
+ case CFGTOK_START:
+ FlagAttr (&S->Attr, SA_START, "START");
+ S->Addr = CfgCheckedConstExpr (1, 0x1000000);
+ S->Flags |= SF_START;
+ break;
+
+ case CFGTOK_TYPE:
+ FlagAttr (&S->Attr, SA_TYPE, "TYPE");
+ CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
+ switch (CfgTok) {
+ case CFGTOK_RO: S->Flags |= SF_RO; break;
+ case CFGTOK_RW: /* Default */ break;
+ case CFGTOK_BSS: S->Flags |= SF_BSS; break;
+ case CFGTOK_ZP: S->Flags |= (SF_BSS | SF_ZP); break;
+ case CFGTOK_OVERWRITE: S->Flags |= (SF_OVERWRITE | SF_RO); break;
+ default: Internal ("Unexpected token: %d", CfgTok);
+ }
CfgNextTok ();
- break;
+ break;
- default:
- FAIL ("Unexpected attribute token");
+ default:
+ FAIL ("Unexpected attribute token");
- }
+ }
- /* Skip an optional comma */
- CfgOptionalComma ();
- }
+ /* Skip an optional comma */
+ CfgOptionalComma ();
+ }
- /* Check for mandatory parameters */
- AttrCheck (S->Attr, SA_LOAD, "LOAD");
+ /* Check for mandatory parameters */
+ AttrCheck (S->Attr, SA_LOAD, "LOAD");
- /* Set defaults for stuff not given */
- if ((S->Attr & SA_RUN) == 0) {
- S->Attr |= SA_RUN;
- S->Run = S->Load;
- }
+ /* Set defaults for stuff not given */
+ if ((S->Attr & SA_RUN) == 0) {
+ S->Attr |= SA_RUN;
+ S->Run = S->Load;
+ }
/* An attribute of ALIGN_LOAD doesn't make sense if there are no
- * separate run and load memory areas.
- */
+ ** separate run and load memory areas.
+ */
if ((S->Flags & SF_ALIGN_LOAD) != 0 && (S->Load == S->Run)) {
- Warning ("%s(%u): ALIGN_LOAD attribute specified, but no separate "
- "LOAD and RUN memory areas assigned",
- CfgGetName (), CfgErrorLine);
+ CfgWarning (&CfgErrorPos,
+ "ALIGN_LOAD attribute specified, but no separate "
+ "LOAD and RUN memory areas assigned");
/* Remove the flag */
S->Flags &= ~SF_ALIGN_LOAD;
}
/* If the segment is marked as BSS style, it may not have separate
- * load and run memory areas, because it's is never written to disk.
- */
+ ** load and run memory areas, because it's is never written to disk.
+ */
if ((S->Flags & SF_BSS) != 0 && (S->Load != S->Run)) {
- Warning ("%s(%u): Segment with type `bss' has both LOAD and RUN "
- "memory areas assigned", CfgGetName (), CfgErrorLine);
+ CfgWarning (&CfgErrorPos,
+ "Segment with type `bss' has both LOAD and RUN "
+ "memory areas assigned");
+ }
+
+ /* Don't allow read/write data to be put into a readonly area */
+ if ((S->Flags & SF_RO) == 0) {
+ if (S->Run->Flags & MF_RO) {
+ CfgError (&CfgErrorPos,
+ "Cannot put r/w segment `%s' in r/o memory area `%s'",
+ GetString (S->Name), GetString (S->Run->Name));
+ }
+ }
+
+ /* Only one of ALIGN, START and OFFSET may be used */
+ Count = ((S->Flags & SF_ALIGN) != 0) +
+ ((S->Flags & SF_OFFSET) != 0) +
+ ((S->Flags & SF_START) != 0);
+ if (Count > 1) {
+ CfgError (&CfgErrorPos,
+ "Only one of ALIGN, START, OFFSET may be used");
}
- /* Don't allow read/write data to be put into a readonly area */
- if ((S->Flags & SF_RO) == 0) {
- if (S->Run->Flags & MF_RO) {
- CfgError ("Cannot put r/w segment `%s' in r/o memory area `%s'",
- GetString (S->Name), GetString (S->Run->Name));
- }
- }
-
- /* Only one of ALIGN, START and OFFSET may be used */
- Count = ((S->Flags & SF_ALIGN) != 0) +
- ((S->Flags & SF_OFFSET) != 0) +
- ((S->Flags & SF_START) != 0);
- if (Count > 1) {
- CfgError ("Only one of ALIGN, START, OFFSET may be used");
- }
-
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
}
/* Remember we had this section */
/* Parse the o65 format section */
{
static const IdentTok Attributes [] = {
- { "EXPORT", CFGTOK_EXPORT },
- { "IMPORT", CFGTOK_IMPORT },
- { "TYPE", CFGTOK_TYPE },
- { "OS", CFGTOK_OS },
- { "ID", CFGTOK_ID },
- { "VERSION", CFGTOK_VERSION },
+ { "EXPORT", CFGTOK_EXPORT },
+ { "IMPORT", CFGTOK_IMPORT },
+ { "TYPE", CFGTOK_TYPE },
+ { "OS", CFGTOK_OS },
+ { "ID", CFGTOK_ID },
+ { "VERSION", CFGTOK_VERSION },
};
static const IdentTok Types [] = {
- { "SMALL", CFGTOK_SMALL },
- { "LARGE", CFGTOK_LARGE },
+ { "SMALL", CFGTOK_SMALL },
+ { "LARGE", CFGTOK_LARGE },
};
static const IdentTok OperatingSystems [] = {
- { "LUNIX", CFGTOK_LUNIX },
- { "OSA65", CFGTOK_OSA65 },
+ { "LUNIX", CFGTOK_LUNIX },
+ { "OSA65", CFGTOK_OSA65 },
{ "CC65", CFGTOK_CC65 },
{ "OPENCBM", CFGTOK_OPENCBM },
};
/* Bitmask to remember the attributes we got already */
enum {
- atNone = 0x0000,
- atOS = 0x0001,
+ atNone = 0x0000,
+ atOS = 0x0001,
atOSVersion = 0x0002,
- atType = 0x0004,
- atImport = 0x0008,
- atExport = 0x0010,
+ atType = 0x0004,
+ atImport = 0x0008,
+ atExport = 0x0010,
atID = 0x0020,
atVersion = 0x0040
};
/* Read the attributes */
while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
- /* Check which attribute was given */
- switch (AttrTok) {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- case CFGTOK_EXPORT:
+ case CFGTOK_EXPORT:
/* Remember we had this token (maybe more than once) */
AttrFlags |= atExport;
- /* We expect an identifier */
- CfgAssureIdent ();
+ /* We expect an identifier */
+ CfgAssureIdent ();
/* Remember it as an export for later */
- CollAppend (&O65Exports, NewO65Symbol ());
+ NewCfgSymbol (CfgSymO65Export, GetStrBufId (&CfgSVal));
/* Eat the identifier token */
CfgNextTok ();
- break;
+ break;
- case CFGTOK_IMPORT:
+ case CFGTOK_IMPORT:
/* Remember we had this token (maybe more than once) */
AttrFlags |= atImport;
- /* We expect an identifier */
- CfgAssureIdent ();
+ /* We expect an identifier */
+ CfgAssureIdent ();
/* Remember it as an import for later */
- CollAppend (&O65Imports, NewO65Symbol ());
+ NewCfgSymbol (CfgSymO65Import, GetStrBufId (&CfgSVal));
/* Eat the identifier token */
CfgNextTok ();
- break;
-
- case CFGTOK_TYPE:
- /* Cannot have this attribute twice */
- FlagAttr (&AttrFlags, atType, "TYPE");
- /* Get the type of the executable */
- CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
- switch (CfgTok) {
-
- case CFGTOK_SMALL:
- O65SetSmallModel (O65FmtDesc);
- break;
-
- case CFGTOK_LARGE:
- O65SetLargeModel (O65FmtDesc);
- break;
-
- default:
- CfgError ("Unexpected type token");
- }
+ break;
+
+ case CFGTOK_TYPE:
+ /* Cannot have this attribute twice */
+ FlagAttr (&AttrFlags, atType, "TYPE");
+ /* Get the type of the executable */
+ CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
+ switch (CfgTok) {
+
+ case CFGTOK_SMALL:
+ O65SetSmallModel (O65FmtDesc);
+ break;
+
+ case CFGTOK_LARGE:
+ O65SetLargeModel (O65FmtDesc);
+ break;
+
+ default:
+ CfgError (&CfgErrorPos, "Unexpected type token");
+ }
/* Eat the attribute token */
CfgNextTok ();
- break;
-
- case CFGTOK_OS:
- /* Cannot use this attribute twice */
- FlagAttr (&AttrFlags, atOS, "OS");
- /* Get the operating system. It may be specified as name or
- * as a number in the range 1..255.
- */
- if (CfgTok == CFGTOK_INTCON) {
- CfgRangeCheck (O65OS_MIN, O65OS_MAX);
- OS = (unsigned) CfgIVal;
- } else {
+ break;
+
+ case CFGTOK_OS:
+ /* Cannot use this attribute twice */
+ FlagAttr (&AttrFlags, atOS, "OS");
+ /* Get the operating system. It may be specified as name or
+ ** as a number in the range 1..255.
+ */
+ if (CfgTok == CFGTOK_INTCON) {
+ CfgRangeCheck (O65OS_MIN, O65OS_MAX);
+ OS = (unsigned) CfgIVal;
+ } else {
CfgSpecialToken (OperatingSystems, ENTRY_COUNT (OperatingSystems), "OS type");
switch (CfgTok) {
case CFGTOK_LUNIX: OS = O65OS_LUNIX; break;
case CFGTOK_OSA65: OS = O65OS_OSA65; break;
case CFGTOK_CC65: OS = O65OS_CC65; break;
case CFGTOK_OPENCBM: OS = O65OS_OPENCBM; break;
- default: CfgError ("Unexpected OS token");
+ default: CfgError (&CfgErrorPos, "Unexpected OS token");
}
}
CfgNextTok ();
- break;
+ break;
case CFGTOK_ID:
/* Cannot have this attribute twice */
Version = (unsigned) CfgCheckedConstExpr (0, 0xFF);
break;
- default:
- FAIL ("Unexpected attribute token");
+ default:
+ FAIL ("Unexpected attribute token");
- }
+ }
- /* Skip an optional comma */
- CfgOptionalComma ();
+ /* Skip an optional comma */
+ CfgOptionalComma ();
}
/* Check if we have all mandatory attributes */
/* Check for attributes that may not be combined */
if (OS == O65OS_CC65) {
if ((AttrFlags & (atImport | atExport)) != 0 && ModuleId < 0x8000) {
- CfgError ("OS type CC65 may not have imports or exports for ids < $8000");
+ CfgError (&CfgErrorPos,
+ "OS type CC65 may not have imports or exports for ids < $8000");
}
} else {
if (AttrFlags & atID) {
- CfgError ("Operating system does not support the ID attribute");
+ CfgError (&CfgErrorPos,
+ "Operating system does not support the ID attribute");
}
}
/* Parse a target format section */
{
static const IdentTok Formats [] = {
- { "O65", CFGTOK_O65 },
- { "BIN", CFGTOK_BIN },
- { "BINARY", CFGTOK_BIN },
+ { "O65", CFGTOK_O65 },
+ { "BIN", CFGTOK_BIN },
+ { "BINARY", CFGTOK_BIN },
};
while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t FormatTok;
- CfgSpecialToken (Formats, ENTRY_COUNT (Formats), "Format");
- FormatTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t FormatTok;
+ CfgSpecialToken (Formats, ENTRY_COUNT (Formats), "Format");
+ FormatTok = CfgTok;
- /* Skip the name and the following colon */
- CfgNextTok ();
- CfgConsumeColon ();
+ /* Skip the name and the following colon */
+ CfgNextTok ();
+ CfgConsumeColon ();
- /* Parse the format options */
- switch (FormatTok) {
+ /* Parse the format options */
+ switch (FormatTok) {
- case CFGTOK_O65:
- ParseO65 ();
- break;
+ case CFGTOK_O65:
+ ParseO65 ();
+ break;
- case CFGTOK_BIN:
- /* No attribibutes available */
- break;
+ case CFGTOK_BIN:
+ /* No attribibutes available */
+ break;
- default:
- Error ("Unexpected format token");
- }
+ default:
+ Error ("Unexpected format token");
+ }
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
}
/* Parse the CONDES feature */
{
static const IdentTok Attributes [] = {
- { "SEGMENT", CFGTOK_SEGMENT },
- { "LABEL", CFGTOK_LABEL },
- { "COUNT", CFGTOK_COUNT },
- { "TYPE", CFGTOK_TYPE },
- { "ORDER", CFGTOK_ORDER },
+ { "COUNT", CFGTOK_COUNT },
+ { "IMPORT", CFGTOK_IMPORT },
+ { "LABEL", CFGTOK_LABEL },
+ { "ORDER", CFGTOK_ORDER },
+ { "SEGMENT", CFGTOK_SEGMENT },
+ { "TYPE", CFGTOK_TYPE },
};
static const IdentTok Types [] = {
- { "CONSTRUCTOR", CFGTOK_CONSTRUCTOR },
- { "DESTRUCTOR", CFGTOK_DESTRUCTOR },
+ { "CONSTRUCTOR", CFGTOK_CONSTRUCTOR },
+ { "DESTRUCTOR", CFGTOK_DESTRUCTOR },
{ "INTERRUPTOR", CFGTOK_INTERRUPTOR },
};
static const IdentTok Orders [] = {
- { "DECREASING", CFGTOK_DECREASING },
- { "INCREASING", CFGTOK_INCREASING },
+ { "DECREASING", CFGTOK_DECREASING },
+ { "INCREASING", CFGTOK_INCREASING },
};
/* Attribute values. */
- unsigned SegName = INVALID_STRING_ID;
- unsigned Label = INVALID_STRING_ID;
unsigned Count = INVALID_STRING_ID;
+ unsigned Label = INVALID_STRING_ID;
+ unsigned SegName = INVALID_STRING_ID;
+ ConDesImport Import;
/* Initialize to avoid gcc warnings: */
int Type = -1;
ConDesOrder Order = cdIncreasing;
/* Bitmask to remember the attributes we got already */
enum {
- atNone = 0x0000,
- atSegName = 0x0001,
- atLabel = 0x0002,
- atCount = 0x0004,
- atType = 0x0008,
- atOrder = 0x0010
+ atNone = 0x0000,
+ atCount = 0x0001,
+ atImport = 0x0002,
+ atLabel = 0x0004,
+ atOrder = 0x0008,
+ atSegName = 0x0010,
+ atType = 0x0020,
};
unsigned AttrFlags = atNone;
/* Parse the attributes */
while (1) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
-
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
-
- /* Check which attribute was given */
- switch (AttrTok) {
-
- case CFGTOK_SEGMENT:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atSegName, "SEGMENT");
- /* We expect an identifier */
- CfgAssureIdent ();
- /* Remember the value for later */
- SegName = GetStrBufId (&CfgSVal);
- break;
-
- case CFGTOK_LABEL:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atLabel, "LABEL");
- /* We expect an identifier */
- CfgAssureIdent ();
- /* Remember the value for later */
- Label = GetStrBufId (&CfgSVal);
- break;
-
- case CFGTOK_COUNT:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atCount, "COUNT");
- /* We expect an identifier */
- CfgAssureIdent ();
- /* Remember the value for later */
- Count = GetStrBufId (&CfgSVal);
- break;
-
- case CFGTOK_TYPE:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atType, "TYPE");
- /* The type may be given as id or numerical */
- if (CfgTok == CFGTOK_INTCON) {
- CfgRangeCheck (CD_TYPE_MIN, CD_TYPE_MAX);
- Type = (int) CfgIVal;
- } else {
- CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
- switch (CfgTok) {
- case CFGTOK_CONSTRUCTOR: Type = CD_TYPE_CON; break;
- case CFGTOK_DESTRUCTOR: Type = CD_TYPE_DES; break;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
+
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
+
+ /* Check which attribute was given */
+ switch (AttrTok) {
+
+ case CFGTOK_COUNT:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atCount, "COUNT");
+ /* We expect an identifier */
+ CfgAssureIdent ();
+ /* Remember the value for later */
+ Count = GetStrBufId (&CfgSVal);
+ break;
+
+ case CFGTOK_IMPORT:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atImport, "IMPORT");
+ /* We expect an identifier */
+ CfgAssureIdent ();
+ /* Remember value and position for later */
+ Import.Name = GetStrBufId (&CfgSVal);
+ Import.Pos = CfgErrorPos;
+ Import.AddrSize = ADDR_SIZE_ABS;
+ break;
+
+ case CFGTOK_LABEL:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atLabel, "LABEL");
+ /* We expect an identifier */
+ CfgAssureIdent ();
+ /* Remember the value for later */
+ Label = GetStrBufId (&CfgSVal);
+ break;
+
+ case CFGTOK_ORDER:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atOrder, "ORDER");
+ CfgSpecialToken (Orders, ENTRY_COUNT (Orders), "Order");
+ switch (CfgTok) {
+ case CFGTOK_DECREASING: Order = cdDecreasing; break;
+ case CFGTOK_INCREASING: Order = cdIncreasing; break;
+ default: FAIL ("Unexpected order token");
+ }
+ break;
+
+ case CFGTOK_SEGMENT:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atSegName, "SEGMENT");
+ /* We expect an identifier */
+ CfgAssureIdent ();
+ /* Remember the value for later */
+ SegName = GetStrBufId (&CfgSVal);
+ break;
+
+ case CFGTOK_TYPE:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atType, "TYPE");
+ /* The type may be given as id or numerical */
+ if (CfgTok == CFGTOK_INTCON) {
+ CfgRangeCheck (CD_TYPE_MIN, CD_TYPE_MAX);
+ Type = (int) CfgIVal;
+ } else {
+ CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
+ switch (CfgTok) {
+ case CFGTOK_CONSTRUCTOR: Type = CD_TYPE_CON; break;
+ case CFGTOK_DESTRUCTOR: Type = CD_TYPE_DES; break;
case CFGTOK_INTERRUPTOR: Type = CD_TYPE_INT; break;
- default: FAIL ("Unexpected type token");
- }
- }
- break;
-
- case CFGTOK_ORDER:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atOrder, "ORDER");
- CfgSpecialToken (Orders, ENTRY_COUNT (Orders), "Order");
- switch (CfgTok) {
- case CFGTOK_DECREASING: Order = cdDecreasing; break;
- case CFGTOK_INCREASING: Order = cdIncreasing; break;
- default: FAIL ("Unexpected order token");
- }
- break;
-
- default:
- FAIL ("Unexpected attribute token");
-
- }
-
- /* Skip the attribute value */
- CfgNextTok ();
-
- /* Semicolon ends the ConDes decl, otherwise accept an optional comma */
- if (CfgTok == CFGTOK_SEMI) {
- break;
- } else if (CfgTok == CFGTOK_COMMA) {
- CfgNextTok ();
- }
+ default: FAIL ("Unexpected type token");
+ }
+ }
+ break;
+
+ default:
+ FAIL ("Unexpected attribute token");
+
+ }
+
+ /* Skip the attribute value */
+ CfgNextTok ();
+
+ /* Semicolon ends the ConDes decl, otherwise accept an optional comma */
+ if (CfgTok == CFGTOK_SEMI) {
+ break;
+ } else if (CfgTok == CFGTOK_COMMA) {
+ CfgNextTok ();
+ }
}
/* Check if we have all mandatory attributes */
/* Check if the condes has already attributes defined */
if (ConDesHasSegName(Type) || ConDesHasLabel(Type)) {
- CfgError ("CONDES attributes for type %d are already defined", Type);
+ CfgError (&CfgErrorPos,
+ "CONDES attributes for type %d are already defined",
+ Type);
}
/* Define the attributes */
ConDesSetSegName (Type, SegName);
ConDesSetLabel (Type, Label);
if (AttrFlags & atCount) {
- ConDesSetCountSym (Type, Count);
+ ConDesSetCountSym (Type, Count);
+ }
+ if (AttrFlags & atImport) {
+ ConDesSetImport (Type, &Import);
}
if (AttrFlags & atOrder) {
- ConDesSetOrder (Type, Order);
+ ConDesSetOrder (Type, Order);
}
}
/* Parse the STARTADDRESS feature */
{
static const IdentTok Attributes [] = {
- { "DEFAULT", CFGTOK_DEFAULT },
+ { "DEFAULT", CFGTOK_DEFAULT },
};
/* Bitmask to remember the attributes we got already */
enum {
- atNone = 0x0000,
- atDefault = 0x0001
+ atNone = 0x0000,
+ atDefault = 0x0001
};
unsigned AttrFlags = atNone;
/* Parse the attributes */
while (1) {
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
- /* An optional assignment follows */
- CfgNextTok ();
- CfgOptionalAssign ();
+ /* An optional assignment follows */
+ CfgNextTok ();
+ CfgOptionalAssign ();
- /* Check which attribute was given */
- switch (AttrTok) {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- case CFGTOK_DEFAULT:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atDefault, "DEFAULT");
- /* We expect a numeric expression */
+ case CFGTOK_DEFAULT:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atDefault, "DEFAULT");
+ /* We expect a numeric expression */
DefStartAddr = CfgCheckedConstExpr (0, 0xFFFFFF);
- break;
+ break;
- default:
- FAIL ("Unexpected attribute token");
+ default:
+ FAIL ("Unexpected attribute token");
- }
+ }
- /* Semicolon ends the ConDes decl, otherwise accept an optional comma */
- if (CfgTok == CFGTOK_SEMI) {
- break;
- } else if (CfgTok == CFGTOK_COMMA) {
- CfgNextTok ();
- }
+ /* Semicolon ends the ConDes decl, otherwise accept an optional comma */
+ if (CfgTok == CFGTOK_SEMI) {
+ break;
+ } else if (CfgTok == CFGTOK_COMMA) {
+ CfgNextTok ();
+ }
}
/* Check if we have all mandatory attributes */
AttrCheck (AttrFlags, atDefault, "DEFAULT");
/* If no start address was given on the command line, use the one given
- * here
- */
+ ** here
+ */
if (!HaveStartAddr) {
StartAddr = DefStartAddr;
}
/* Parse a features section */
{
static const IdentTok Features [] = {
- { "CONDES", CFGTOK_CONDES },
+ { "CONDES", CFGTOK_CONDES },
{ "STARTADDRESS", CFGTOK_STARTADDRESS },
};
while (CfgTok == CFGTOK_IDENT) {
- /* Map the identifier to a token */
- cfgtok_t FeatureTok;
- CfgSpecialToken (Features, ENTRY_COUNT (Features), "Feature");
- FeatureTok = CfgTok;
+ /* Map the identifier to a token */
+ cfgtok_t FeatureTok;
+ CfgSpecialToken (Features, ENTRY_COUNT (Features), "Feature");
+ FeatureTok = CfgTok;
- /* Skip the name and the following colon */
- CfgNextTok ();
- CfgConsumeColon ();
+ /* Skip the name and the following colon */
+ CfgNextTok ();
+ CfgConsumeColon ();
- /* Parse the format options */
- switch (FeatureTok) {
+ /* Parse the format options */
+ switch (FeatureTok) {
- case CFGTOK_CONDES:
- ParseConDes ();
- break;
+ case CFGTOK_CONDES:
+ ParseConDes ();
+ break;
case CFGTOK_STARTADDRESS:
ParseStartAddress ();
break;
- default:
- FAIL ("Unexpected feature token");
- }
+ default:
+ FAIL ("Unexpected feature token");
+ }
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
}
/* Remember we had this section */
/* Parse a symbols section */
{
static const IdentTok Attributes[] = {
- { "VALUE", CFGTOK_VALUE },
- { "WEAK", CFGTOK_WEAK },
+ { "ADDRSIZE", CFGTOK_ADDRSIZE },
+ { "TYPE", CFGTOK_TYPE },
+ { "VALUE", CFGTOK_VALUE },
};
- while (CfgTok == CFGTOK_IDENT) {
-
- long Val = 0L;
- unsigned Flags = SYM_NONE;
+ static const IdentTok AddrSizes [] = {
+ { "ABS", CFGTOK_ABS },
+ { "ABSOLUTE", CFGTOK_ABS },
+ { "DIRECT", CFGTOK_ZP },
+ { "DWORD", CFGTOK_LONG },
+ { "FAR", CFGTOK_FAR },
+ { "LONG", CFGTOK_LONG },
+ { "NEAR", CFGTOK_ABS },
+ { "ZEROPAGE", CFGTOK_ZP },
+ { "ZP", CFGTOK_ZP },
+ };
- /* Remember the name */
- unsigned Name = GetStrBufId (&CfgSVal);
- CfgNextTok ();
+ static const IdentTok Types [] = {
+ { "EXPORT", CFGTOK_EXPORT },
+ { "IMPORT", CFGTOK_IMPORT },
+ { "WEAK", CFGTOK_WEAK },
+ };
- /* Support both, old and new syntax here. New syntax is a colon
- * followed by an attribute list, old syntax is an optional equal
- * sign plus a value.
- */
- if (CfgTok != CFGTOK_COLON) {
+ while (CfgTok == CFGTOK_IDENT) {
- /* Old syntax */
+ /* Bitmask to remember the attributes we got already */
+ enum {
+ atNone = 0x0000,
+ atAddrSize = 0x0001,
+ atType = 0x0002,
+ atValue = 0x0004,
+ };
+ unsigned AttrFlags = atNone;
+
+ ExprNode* Value = 0;
+ CfgSymType Type = CfgSymExport;
+ unsigned char AddrSize = ADDR_SIZE_ABS;
+ Import* Imp;
+ Export* Exp;
+ CfgSymbol* Sym;
+
+ /* Remember the name */
+ unsigned Name = GetStrBufId (&CfgSVal);
+ CfgNextTok ();
+
+ /* New syntax - skip the colon */
+ CfgNextTok ();
+
+ /* Parse the attributes */
+ while (1) {
+
+ /* Map the identifier to a token */
+ cfgtok_t AttrTok;
+ CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
+ AttrTok = CfgTok;
+
+ /* Skip the attribute name */
+ CfgNextTok ();
- /* Allow an optional assignment */
+ /* An optional assignment follows */
CfgOptionalAssign ();
- /* Make sure the next token is an integer expression, read and
- * skip it.
- */
- Val = CfgConstExpr ();
-
- /* This is a defined symbol */
- Flags = SYM_DEF;
-
- } else {
+ /* Check which attribute was given */
+ switch (AttrTok) {
- /* Bitmask to remember the attributes we got already */
- enum {
- atNone = 0x0000,
- atValue = 0x0001,
- atWeak = 0x0002
- };
- unsigned AttrFlags = atNone;
+ case CFGTOK_ADDRSIZE:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atAddrSize, "ADDRSIZE");
+ /* Map the type to a token */
+ CfgSpecialToken (AddrSizes, ENTRY_COUNT (AddrSizes), "AddrSize");
+ switch (CfgTok) {
+ case CFGTOK_ABS: AddrSize = ADDR_SIZE_ABS; break;
+ case CFGTOK_FAR: AddrSize = ADDR_SIZE_FAR; break;
+ case CFGTOK_LONG: AddrSize = ADDR_SIZE_LONG; break;
+ case CFGTOK_ZP: AddrSize = ADDR_SIZE_ZP; break;
+ default:
+ Internal ("Unexpected token: %d", CfgTok);
+ }
+ CfgNextTok ();
+ break;
+ case CFGTOK_TYPE:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atType, "TYPE");
+ /* Map the type to a token */
+ CfgSpecialToken (Types, ENTRY_COUNT (Types), "Type");
+ switch (CfgTok) {
+ case CFGTOK_EXPORT: Type = CfgSymExport; break;
+ case CFGTOK_IMPORT: Type = CfgSymImport; break;
+ case CFGTOK_WEAK: Type = CfgSymWeak; break;
+ default:
+ Internal ("Unexpected token: %d", CfgTok);
+ }
+ CfgNextTok ();
+ break;
- /* New syntax - skip the colon */
- CfgNextTok ();
+ case CFGTOK_VALUE:
+ /* Don't allow this twice */
+ FlagAttr (&AttrFlags, atValue, "VALUE");
+ /* Value is an expression */
+ Value = CfgExpr ();
+ break;
- /* Parse the attributes */
- while (1) {
+ default:
+ FAIL ("Unexpected attribute token");
- /* Map the identifier to a token */
- cfgtok_t AttrTok;
- CfgSpecialToken (Attributes, ENTRY_COUNT (Attributes), "Attribute");
- AttrTok = CfgTok;
+ }
- /* Skip the attribute name */
+ /* Semicolon ends the decl, otherwise accept an optional comma */
+ if (CfgTok == CFGTOK_SEMI) {
+ break;
+ } else if (CfgTok == CFGTOK_COMMA) {
CfgNextTok ();
+ }
+ }
- /* An optional assignment follows */
- CfgOptionalAssign ();
-
- /* Check which attribute was given */
- switch (AttrTok) {
-
- case CFGTOK_VALUE:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atValue, "VALUE");
- /* We expect a numeric expression */
- Val = CfgConstExpr ();
- /* Symbol is defined */
- Flags |= SYM_DEF;
- break;
+ /* We must have a type */
+ AttrCheck (AttrFlags, atType, "TYPE");
- case CFGTOK_WEAK:
- /* Don't allow this twice */
- FlagAttr (&AttrFlags, atWeak, "WEAK");
- CfgBoolToken ();
- if (CfgTok == CFGTOK_TRUE) {
- Flags |= SYM_WEAK;
- }
- CfgNextTok ();
- break;
+ /* Further actions depend on the type */
+ switch (Type) {
- default:
- FAIL ("Unexpected attribute token");
+ case CfgSymExport:
+ /* We must have a value */
+ AttrCheck (AttrFlags, atValue, "VALUE");
+ /* Create the export */
+ Exp = CreateExprExport (Name, Value, AddrSize);
+ CollAppend (&Exp->DefLines, GenLineInfo (&CfgErrorPos));
+ break;
+ case CfgSymImport:
+ /* An import must not have a value */
+ if (AttrFlags & atValue) {
+ CfgError (&CfgErrorPos, "Imports must not have a value");
}
+ /* Generate the import */
+ Imp = InsertImport (GenImport (Name, AddrSize));
+ /* Remember the file position */
+ CollAppend (&Imp->RefLines, GenLineInfo (&CfgErrorPos));
+ break;
- /* Semicolon ends the decl, otherwise accept an optional comma */
- if (CfgTok == CFGTOK_SEMI) {
- break;
- } else if (CfgTok == CFGTOK_COMMA) {
- CfgNextTok ();
- }
- }
+ case CfgSymWeak:
+ /* We must have a value */
+ AttrCheck (AttrFlags, atValue, "VALUE");
+ /* Remember the symbol for later */
+ Sym = NewCfgSymbol (CfgSymWeak, Name);
+ Sym->Value = Value;
+ Sym->AddrSize = AddrSize;
+ break;
- /* Check if we have all mandatory attributes */
- AttrCheck (AttrFlags, atValue, "VALUE");
+ default:
+ Internal ("Unexpected symbol type %d", Type);
}
- /* Remember the symbol for later */
- CollAppend (&Symbols, NewSymbol (Name, Flags, Val));
-
- /* Skip the semicolon */
- CfgConsumeSemi ();
+ /* Skip the semicolon */
+ CfgConsumeSemi ();
}
/* Remember we had this section */
/* Parse the config file */
{
static const IdentTok BlockNames [] = {
- { "MEMORY", CFGTOK_MEMORY },
- { "FILES", CFGTOK_FILES },
+ { "MEMORY", CFGTOK_MEMORY },
+ { "FILES", CFGTOK_FILES },
{ "SEGMENTS", CFGTOK_SEGMENTS },
- { "FORMATS", CFGTOK_FORMATS },
- { "FEATURES", CFGTOK_FEATURES },
- { "SYMBOLS", CFGTOK_SYMBOLS },
+ { "FORMATS", CFGTOK_FORMATS },
+ { "FEATURES", CFGTOK_FEATURES },
+ { "SYMBOLS", CFGTOK_SYMBOLS },
};
cfgtok_t BlockTok;
do {
- /* Read the block ident */
- CfgSpecialToken (BlockNames, ENTRY_COUNT (BlockNames), "Block identifier");
- BlockTok = CfgTok;
- CfgNextTok ();
+ /* Read the block ident */
+ CfgSpecialToken (BlockNames, ENTRY_COUNT (BlockNames), "Block identifier");
+ BlockTok = CfgTok;
+ CfgNextTok ();
- /* Expected a curly brace */
- CfgConsume (CFGTOK_LCURLY, "`{' expected");
+ /* Expected a curly brace */
+ CfgConsume (CFGTOK_LCURLY, "`{' expected");
- /* Read the block */
- switch (BlockTok) {
+ /* Read the block */
+ switch (BlockTok) {
- case CFGTOK_MEMORY:
- ParseMemory ();
- break;
+ case CFGTOK_MEMORY:
+ ParseMemory ();
+ break;
- case CFGTOK_FILES:
- ParseFiles ();
- break;
+ case CFGTOK_FILES:
+ ParseFiles ();
+ break;
- case CFGTOK_SEGMENTS:
- ParseSegments ();
- break;
+ case CFGTOK_SEGMENTS:
+ ParseSegments ();
+ break;
- case CFGTOK_FORMATS:
- ParseFormats ();
- break;
+ case CFGTOK_FORMATS:
+ ParseFormats ();
+ break;
- case CFGTOK_FEATURES:
- ParseFeatures ();
- break;
+ case CFGTOK_FEATURES:
+ ParseFeatures ();
+ break;
- case CFGTOK_SYMBOLS:
- ParseSymbols ();
- break;
+ case CFGTOK_SYMBOLS:
+ ParseSymbols ();
+ break;
- default:
- FAIL ("Unexpected block token");
+ default:
+ FAIL ("Unexpected block token");
- }
+ }
- /* Skip closing brace */
- CfgConsume (CFGTOK_RCURLY, "`}' expected");
+ /* Skip closing brace */
+ CfgConsume (CFGTOK_RCURLY, "`}' expected");
} while (CfgTok != CFGTOK_EOF);
}
O65FmtDesc = NewO65Desc ();
/* If we have a config name given, open the file, otherwise we will read
- * from a buffer.
- */
+ ** from a buffer.
+ */
CfgOpenInput ();
/* Parse the file */
-static void ProcessMemory (void)
-/* Process the MEMORY section */
-{
- /* Walk over the list with the memory areas */
- unsigned I;
- for (I = 0; I < CollCount (&MemoryAreas); ++I) {
-
- /* Get the next memory area */
- MemoryArea* M = CollAtUnchecked (&MemoryAreas, I);
-
- /* Remember if this is a relocatable memory area */
- M->Relocatable = RelocatableBinFmt (M->F->Format);
-
- /* Resolve the expressions */
- if (!IsConstExpr (M->StartExpr)) {
- Error ("Start address of memory area `%s' is not constant",
- GetString (M->Name));
- }
- M->Start = GetExprVal (M->StartExpr);
-
- if (!IsConstExpr (M->SizeExpr)) {
- Error ("Size of memory area `%s' is not constant",
- GetString (M->Name));
- }
- M->Size = GetExprVal (M->SizeExpr);
-
- /* Mark the memory area as placed */
- M->Flags |= MF_PLACED;
- }
-}
-
-
-
static void ProcessSegments (void)
/* Process the SEGMENTS section */
{
while (I < CollCount (&SegDescList)) {
/* Get the next segment descriptor */
- SegDesc* S = CollAtUnchecked (&SegDescList, I);
+ SegDesc* S = CollAtUnchecked (&SegDescList, I);
/* Search for the actual segment in the input files. The function may
- * return NULL (no such segment), this is checked later.
- */
+ ** return NULL (no such segment), this is checked later.
+ */
S->Seg = SegFind (S->Name);
- /* If the segment is marked as BSS style, and if the segment exists
- * in any of the object file, check that there's no initialized data
- * in the segment.
- */
- if ((S->Flags & SF_BSS) != 0 && S->Seg != 0 && !IsBSSType (S->Seg)) {
- Warning ("Segment `%s' with type `bss' contains initialized data",
- GetString (S->Name));
- }
-
- /* If this segment does exist in any of the object files, insert the
- * segment into the load/run memory areas. Otherwise print a warning
- * and discard it, because the segment pointer in the descriptor is
- * invalid.
- */
- if (S->Seg != 0) {
-
- /* Insert the segment into the memory area list */
- MemoryInsert (S->Run, S);
- if (S->Load != S->Run) {
- /* We have separate RUN and LOAD areas */
- MemoryInsert (S->Load, S);
- }
+ /* If the segment is marked as BSS style, and if the segment exists
+ ** in any of the object file, check that there's no initialized data
+ ** in the segment.
+ */
+ if ((S->Flags & SF_BSS) != 0 && S->Seg != 0 && !IsBSSType (S->Seg)) {
+ CfgWarning (GetSourcePos (S->LI),
+ "Segment `%s' with type `bss' contains initialized data",
+ GetString (S->Name));
+ }
+
+ /* If this segment does exist in any of the object files, insert the
+ ** segment into the load/run memory areas. Otherwise print a warning
+ ** and discard it, because the segment pointer in the descriptor is
+ ** invalid.
+ */
+ if (S->Seg != 0) {
+
+ /* Insert the segment into the memory area list */
+ MemoryInsert (S->Run, S);
+ if (S->Load != S->Run) {
+ /* We have separate RUN and LOAD areas */
+ MemoryInsert (S->Load, S);
+ }
+
+ /* Use the fill value from the config */
+ S->Seg->FillVal = S->FillVal;
/* Process the next segment descriptor in the next run */
++I;
- } else {
+ } else {
/* Print a warning if the segment is not optional */
if ((S->Flags & SF_OPTIONAL) == 0) {
- CfgWarning ("Segment `%s' does not exist", GetString (S->Name));
+ CfgWarning (&CfgErrorPos,
+ "Segment `%s' does not exist",
+ GetString (S->Name));
}
- /* Discard the descriptor and remove it from the collection */
- FreeSegDesc (S);
+ /* Discard the descriptor and remove it from the collection */
+ FreeSegDesc (S);
CollDelete (&SegDescList, I);
- }
- }
-}
-
-
-
-static void ProcessO65 (void)
-/* Process the o65 format section */
-{
- unsigned I;
-
- /* Walk over the imports, check and add them to the o65 data */
- for (I = 0; I < CollCount (&O65Imports); ++I) {
-
- /* Get the import */
- Symbol* Sym = CollAtUnchecked (&O65Imports, I);
-
- /* Check if we have this symbol defined already. The entry
- * routine will check this also, but we get a more verbose
- * error message when checking it here.
- */
- if (O65GetImport (O65FmtDesc, Sym->Name) != 0) {
- Error ("%s(%u): Duplicate imported o65 symbol: `%s'",
- Sym->CfgName, Sym->CfgLine, GetString (Sym->Name));
- }
-
- /* Insert the symbol into the table */
- O65SetImport (O65FmtDesc, Sym->Name);
- }
-
- /* Walk over the exports, check and add them to the o65 data */
- for (I = 0; I < CollCount (&O65Exports); ++I) {
-
- /* Get the export */
- Symbol* Sym = CollAtUnchecked (&O65Exports, I);
-
- /* Check if the export symbol is also defined as an import. */
- if (O65GetImport (O65FmtDesc, Sym->Name) != 0) {
- Error ("%s(%u): Exported o65 symbol `%s' cannot also be an o65 import",
- Sym->CfgName, Sym->CfgLine, GetString (Sym->Name));
}
-
- /* Check if we have this symbol defined already. The entry
- * routine will check this also, but we get a more verbose
- * error message when checking it here.
- */
- if (O65GetExport (O65FmtDesc, Sym->Name) != 0) {
- Error ("%s(%u): Duplicate exported o65 symbol: `%s'",
- Sym->CfgName, Sym->CfgLine, GetString (Sym->Name));
- }
-
- /* Insert the symbol into the table */
- O65SetExport (O65FmtDesc, Sym->Name);
}
}
-static void ProcessBin (void)
-/* Process the bin format section */
-{
-}
-
-
-
-static void ProcessFormats (void)
-/* Process the target format section */
-{
- ProcessO65 ();
- ProcessBin ();
-}
-
-
-
static void ProcessSymbols (void)
/* Process the SYMBOLS section */
{
/* Walk over all symbols */
unsigned I;
- for (I = 0; I < CollCount (&Symbols); ++I) {
+ for (I = 0; I < CollCount (&CfgSymbols); ++I) {
/* Get the next symbol */
- Symbol* Sym = CollAtUnchecked (&Symbols, I);
-
- /* Do we define this symbol? */
- if ((Sym->Flags & SYM_DEF) != 0) {
- /* Check if the symbol is already defined somewhere else */
- if ((E = FindExport (Sym->Name)) != 0 && !IsUnresolvedExport (E)) {
- /* If the symbol is not marked as weak, this is an error.
- * Otherwise ignore the symbol from the config.
- */
- if ((Sym->Flags & SYM_WEAK) == 0) {
- CfgError ("Symbol `%s' is already defined",
- GetString (Sym->Name));
+ CfgSymbol* Sym = CollAtUnchecked (&CfgSymbols, I);
+
+ /* Check what it is. */
+ switch (Sym->Type) {
+
+ case CfgSymO65Export:
+ /* Check if the export symbol is also defined as an import. */
+ if (O65GetImport (O65FmtDesc, Sym->Name) != 0) {
+ CfgError (
+ GetSourcePos (Sym->LI),
+ "Exported o65 symbol `%s' cannot also be an o65 import",
+ GetString (Sym->Name)
+ );
}
- } else {
- /* The symbol is undefined, generate an export */
- CreateConstExport (Sym->Name, Sym->Val);
- }
- } else {
+ /* Check if we have this symbol defined already. The entry
+ ** routine will check this also, but we get a more verbose
+ ** error message when checking it here.
+ */
+ if (O65GetExport (O65FmtDesc, Sym->Name) != 0) {
+ CfgError (
+ GetSourcePos (Sym->LI),
+ "Duplicate exported o65 symbol: `%s'",
+ GetString (Sym->Name)
+ );
+ }
+ /* Insert the symbol into the table */
+ O65SetExport (O65FmtDesc, Sym->Name);
+ break;
- }
- }
-}
+ case CfgSymO65Import:
+ /* Check if the import symbol is also defined as an export. */
+ if (O65GetExport (O65FmtDesc, Sym->Name) != 0) {
+ CfgError (
+ GetSourcePos (Sym->LI),
+ "Imported o65 symbol `%s' cannot also be an o65 export",
+ GetString (Sym->Name)
+ );
+ }
+ /* Check if we have this symbol defined already. The entry
+ ** routine will check this also, but we get a more verbose
+ ** error message when checking it here.
+ */
+ if (O65GetImport (O65FmtDesc, Sym->Name) != 0) {
+ CfgError (
+ GetSourcePos (Sym->LI),
+ "Duplicate imported o65 symbol: `%s'",
+ GetString (Sym->Name)
+ );
+ }
+ /* Insert the symbol into the table */
+ O65SetImport (O65FmtDesc, Sym->Name);
+ break;
+
+ case CfgSymWeak:
+ /* If the symbol is not defined until now, define it */
+ if ((E = FindExport (Sym->Name)) == 0 || IsUnresolvedExport (E)) {
+ /* The symbol is undefined, generate an export */
+ E = CreateExprExport (Sym->Name, Sym->Value, Sym->AddrSize);
+ CollAppend (&E->DefLines, Sym->LI);
+ }
+ break;
+
+ default:
+ Internal ("Unexpected symbol type %d", Sym->Type);
+ break;
+ }
+ }
-void CfgProcess (void)
-/* Process the config file after reading in object files and libraries */
-{
- ProcessSymbols (); /* ######## */
- ProcessMemory ();
- ProcessSegments ();
- ProcessFormats ();
}
static void CreateRunDefines (SegDesc* S, unsigned long SegAddr)
/* Create the defines for a RUN segment */
{
+ Export* E;
StrBuf Buf = STATIC_STRBUF_INITIALIZER;
+ /* Define the run address of the segment */
SB_Printf (&Buf, "__%s_RUN__", GetString (S->Name));
- CreateMemoryExport (GetStrBufId (&Buf), S->Run, SegAddr - S->Run->Start);
+ E = CreateMemoryExport (GetStrBufId (&Buf), S->Run, SegAddr - S->Run->Start);
+ CollAppend (&E->DefLines, S->LI);
+
+ /* Define the size of the segment */
SB_Printf (&Buf, "__%s_SIZE__", GetString (S->Name));
- CreateConstExport (GetStrBufId (&Buf), S->Seg->Size);
+ E = CreateConstExport (GetStrBufId (&Buf), S->Seg->Size);
+ CollAppend (&E->DefLines, S->LI);
+
S->Flags |= SF_RUN_DEF;
SB_Done (&Buf);
}
static void CreateLoadDefines (SegDesc* S, unsigned long SegAddr)
/* Create the defines for a LOAD segment */
{
+ Export* E;
StrBuf Buf = STATIC_STRBUF_INITIALIZER;
+ /* Define the load address of the segment */
SB_Printf (&Buf, "__%s_LOAD__", GetString (S->Name));
- CreateMemoryExport (GetStrBufId (&Buf), S->Load, SegAddr - S->Load->Start);
+ E = CreateMemoryExport (GetStrBufId (&Buf), S->Load, SegAddr - S->Load->Start);
+ CollAppend (&E->DefLines, S->LI);
+
S->Flags |= SF_LOAD_DEF;
SB_Done (&Buf);
}
-unsigned CfgAssignSegments (void)
-/* Assign segments, define linker symbols where requested. The function will
- * return the number of memory area overflows (so zero means anything went ok).
- * In case of overflows, a short mapfile can be generated later, to ease the
- * task of rearranging segments for the user.
- */
+unsigned CfgProcess (void)
+/* Process the config file, after reading in object files and libraries. This
+** includes postprocessing of the config file data; but also assigning segments,
+** and defining segment/memory-area related symbols. The function will return
+** the number of memory area overflows (so, zero means everything went OK).
+** In case of overflows, a short mapfile can be generated later, to ease the
+** user's task of re-arranging segments.
+*/
{
unsigned Overflows = 0;
-
- /* Walk through each of the memory sections. Add up the sizes and check
- * for an overflow of the section. Assign the start addresses of the
- * segments while doing this.
- */
unsigned I;
- for (I = 0; I < CollCount (&MemoryAreas); ++I) {
+ /* Postprocess symbols. We must do that first, since weak symbols are
+ ** defined here, which may be needed later.
+ */
+ ProcessSymbols ();
+
+ /* Postprocess segments */
+ ProcessSegments ();
+
+ /* Walk through each of the memory sections. Add up the sizes; and, check
+ ** for an overflow of the section. Assign the start addresses of the
+ ** segments while doing that.
+ */
+ for (I = 0; I < CollCount (&MemoryAreas); ++I) {
unsigned J;
+ unsigned long Addr;
+ unsigned Overwrites = 0;
- /* Get this entry */
+ /* Get the next memory area */
MemoryArea* M = CollAtUnchecked (&MemoryAreas, I);
- /* Get the start address of this memory area */
- unsigned long Addr = M->Start;
+ /* Remember the offset in the output file */
+ M->FileOffs = M->F->Size;
- /* Walk through the segments in this memory area */
- for (J = 0; J < CollCount (&M->SegList); ++J) {
+ /* Remember if this is a relocatable memory area */
+ M->Relocatable = RelocatableBinFmt (M->F->Format);
- /* Get the segment */
- SegDesc* S = CollAtUnchecked (&M->SegList, J);
+ /* Resolve the start address expression, remember the start address,
+ ** and mark the memory area as placed.
+ */
+ if (!IsConstExpr (M->StartExpr)) {
+ CfgError (GetSourcePos (M->LI),
+ "Start address of memory area `%s' is not constant",
+ GetString (M->Name));
+ }
+ Addr = M->Start = GetExprVal (M->StartExpr);
+ M->Flags |= MF_PLACED;
- /* Some actions depend on wether this is the load or run memory
- * area.
- */
- if (S->Run == M) {
+ /* If requested, define the symbol for the start of the memory area.
+ ** Doing it here means that the expression for the size of the area
+ ** may reference this symbol.
+ */
+ if (M->Flags & MF_DEFINE) {
+ Export* E;
+ StrBuf Buf = STATIC_STRBUF_INITIALIZER;
+
+ /* Define the start of the memory area */
+ SB_Printf (&Buf, "__%s_START__", GetString (M->Name));
+ E = CreateMemoryExport (GetStrBufId (&Buf), M, 0);
+ CollAppend (&E->DefLines, M->LI);
+ SB_Done (&Buf);
+ }
+
+ /* Resolve the size expression */
+ if (!IsConstExpr (M->SizeExpr)) {
+ CfgError (GetSourcePos (M->LI),
+ "Size of memory area `%s' is not constant",
+ GetString (M->Name));
+ }
+ M->Size = GetExprVal (M->SizeExpr);
+
+ /* Walk through the segments in this memory area */
+ for (J = 0; J < CollCount (&M->SegList); ++J) {
+ /* Get the segment */
+ SegDesc* S = CollAtUnchecked (&M->SegList, J);
+
+ /* Remember the start address before handling this segment */
+ unsigned long StartAddr = Addr;
+
+ /* Take note of "overwrite" segments and make sure there are no
+ ** other segment types following them in current memory region.
+ */
+ if (S->Flags & SF_OVERWRITE) {
+ if (S->Flags & (SF_OFFSET | SF_START)) {
+ ++Overwrites;
+ } else {
+ CfgError (GetSourcePos (M->LI),
+ "Segment `%s' of type `overwrite' requires either"
+ " `Start' or `Offset' attribute to be specified",
+ GetString (S->Name));
+ }
+ } else {
+ if (Overwrites > 0) {
+ CfgError (GetSourcePos (M->LI),
+ "Segment `%s' is preceded by at least one segment"
+ " of type `overwrite'",
+ GetString (S->Name));
+ }
+ }
+
+ /* Some actions depend on whether this is the load or run memory
+ ** area.
+ */
+ if (S->Run == M) {
/* This is the run (and maybe load) memory area. Handle
- * alignment and explict start address and offset.
- */
+ ** alignment and explict start address and offset.
+ */
+
+ /* Check if the alignment for the segment from the linker
+ ** config. is a multiple for that of the segment.
+ */
+ if ((S->RunAlignment % S->Seg->Alignment) != 0) {
+ /* Segment requires another alignment than configured
+ ** in the linker.
+ */
+ CfgWarning (GetSourcePos (S->LI),
+ "Segment `%s' isn't aligned properly; the"
+ " resulting executable might not be functional.",
+ GetString (S->Name));
+ }
+
if (S->Flags & SF_ALIGN) {
/* Align the address */
- unsigned long Val = (0x01UL << S->Align) - 1;
- Addr = (Addr + Val) & ~Val;
- } else if (S->Flags & (SF_OFFSET | SF_START)) {
+ unsigned long NewAddr = AlignAddr (Addr, S->RunAlignment);
+
+ /* If the first segment placed in the memory area needs
+ ** fill bytes for the alignment, emit a warning, since
+ ** that is somewhat suspicious.
+ */
+ if (M->FillLevel == 0 && NewAddr > Addr) {
+ CfgWarning (GetSourcePos (S->LI),
+ "The first segment in memory area `%s' "
+ "needs fill bytes for alignment.",
+ GetString (M->Name));
+ }
+
+ /* Use the aligned address */
+ Addr = NewAddr;
+
+ } else if ((S->Flags & (SF_OFFSET | SF_START)) != 0 &&
+ (M->Flags & MF_OVERFLOW) == 0) {
/* Give the segment a fixed starting address */
unsigned long NewAddr = S->Addr;
+
if (S->Flags & SF_OFFSET) {
/* An offset was given, no address, make an address */
NewAddr += M->Start;
}
- if (Addr > NewAddr) {
- /* Offset already too large */
- if (S->Flags & SF_OFFSET) {
- Error ("Offset too small in `%s', segment `%s'",
- GetString (M->Name), GetString (S->Name));
+
+ if (S->Flags & SF_OVERWRITE) {
+ if (NewAddr < M->Start) {
+ CfgError (GetSourcePos (S->LI),
+ "Segment `%s' begins before memory area `%s'",
+ GetString (S->Name), GetString (M->Name));
} else {
- Error ("Start address too low in `%s', segment `%s'",
- GetString (M->Name), GetString (S->Name));
+ Addr = NewAddr;
+ }
+ } else {
+ if (NewAddr < Addr) {
+ /* Offset already too large */
+ ++Overflows;
+ if (S->Flags & SF_OFFSET) {
+ CfgWarning (GetSourcePos (S->LI),
+ "Segment `%s' offset is too small in `%s' by %lu byte%c",
+ GetString (S->Name), GetString (M->Name),
+ Addr - NewAddr, (Addr - NewAddr == 1) ? ' ' : 's');
+ } else {
+ CfgWarning (GetSourcePos (S->LI),
+ "Segment `%s' start address is too low in `%s' by %lu byte%c",
+ GetString (S->Name), GetString (M->Name),
+ Addr - NewAddr, (Addr - NewAddr == 1) ? ' ' : 's');
+ }
+ } else {
+ Addr = NewAddr;
}
}
- Addr = NewAddr;
}
/* Set the start address of this segment, set the readonly flag
- * in the segment and and remember if the segment is in a
- * relocatable file or not.
- */
+ ** in the segment, and remember if the segment is in a
+ ** relocatable file or not.
+ */
S->Seg->PC = Addr;
S->Seg->ReadOnly = (S->Flags & SF_RO) != 0;
- S->Seg->Relocatable = M->Relocatable;
- /* Remember that this segment is placed */
- S->Seg->Placed = 1;
+ /* Remember the run memory for this segment, which is also a
+ ** flag that the segment has been placed.
+ */
+ S->Seg->MemArea = M;
} else if (S->Load == M) {
-
- /* This is the load memory area, *and* run and load are
- * different (because of the "else" above). Handle alignment.
- */
+ /* This is the load memory area; *and*, run and load are
+ ** different (because of the "else" above). Handle alignment.
+ */
if (S->Flags & SF_ALIGN_LOAD) {
/* Align the address */
- unsigned long Val = (0x01UL << S->AlignLoad) - 1;
- Addr = (Addr + Val) & ~Val;
+ Addr = AlignAddr (Addr, S->LoadAlignment);
}
+ }
+ /* If this is the load memory area, and the segment doesn't have a
+ ** fill value defined, use the one from the memory area.
+ */
+ if (S->Load == M && (S->Flags & SF_FILLVAL) == 0) {
+ S->Seg->FillVal = M->FillVal;
}
- /* Increment the fill level of the memory area and check for an
- * overflow.
- */
- M->FillLevel = Addr + S->Seg->Size - M->Start;
- if (M->FillLevel > M->Size && (M->Flags & MF_OVERFLOW) == 0) {
+ /* Increment the fill level of the memory area; and, check for an
+ ** overflow.
+ */
+ M->FillLevel = Addr + S->Seg->Size - M->Start;
+ if (M->FillLevel > M->Size && (M->Flags & MF_OVERFLOW) == 0) {
++Overflows;
M->Flags |= MF_OVERFLOW;
- Warning ("Memory area overflow in `%s', segment `%s' (%lu bytes)",
- GetString (M->Name), GetString (S->Name),
- M->FillLevel - M->Size);
- }
-
- /* If requested, define symbols for the start and size of the
- * segment.
- */
- if (S->Flags & SF_DEFINE) {
+ CfgWarning (GetSourcePos (M->LI),
+ "Segment `%s' overflows memory area `%s' by %lu byte%c",
+ GetString (S->Name), GetString (M->Name),
+ M->FillLevel - M->Size, (M->FillLevel - M->Size == 1) ? ' ' : 's');
+ }
+
+ /* If requested, define symbols for the start and size of the
+ ** segment.
+ */
+ if (S->Flags & SF_DEFINE) {
if (S->Run == M && (S->Flags & SF_RUN_DEF) == 0) {
CreateRunDefines (S, Addr);
}
if (S->Load == M && (S->Flags & SF_LOAD_DEF) == 0) {
CreateLoadDefines (S, Addr);
}
- }
-
- /* Calculate the new address */
- Addr += S->Seg->Size;
-
- }
-
- /* If requested, define symbols for start and size of the memory area */
- if (M->Flags & MF_DEFINE) {
- StrBuf Buf = STATIC_STRBUF_INITIALIZER;
- SB_Printf (&Buf, "__%s_START__", GetString (M->Name));
- CreateMemoryExport (GetStrBufId (&Buf), M, 0);
- SB_Printf (&Buf, "__%s_SIZE__", GetString (M->Name));
- CreateConstExport (GetStrBufId (&Buf), M->Size);
- SB_Printf (&Buf, "__%s_LAST__", GetString (M->Name));
- CreateMemoryExport (GetStrBufId (&Buf), M, M->FillLevel);
+ }
+
+ /* Calculate the new address */
+ Addr += S->Seg->Size;
+
+ /* If this segment will go out to the file, or its place
+ ** in the file will be filled, then increase the file size.
+ */
+ if (S->Load == M &&
+ ((S->Flags & SF_BSS) == 0 || (M->Flags & MF_FILL) != 0)) {
+ M->F->Size += Addr - StartAddr;
+ }
+ }
+
+ /* If requested, define symbols for start, size, and offset of the
+ ** memory area
+ */
+ if (M->Flags & MF_DEFINE) {
+ Export* E;
+ StrBuf Buf = STATIC_STRBUF_INITIALIZER;
+
+ /* Define the size of the memory area */
+ SB_Printf (&Buf, "__%s_SIZE__", GetString (M->Name));
+ E = CreateConstExport (GetStrBufId (&Buf), M->Size);
+ CollAppend (&E->DefLines, M->LI);
+
+ /* Define the fill level of the memory area */
+ SB_Printf (&Buf, "__%s_LAST__", GetString (M->Name));
+ E = CreateMemoryExport (GetStrBufId (&Buf), M, M->FillLevel);
+ CollAppend (&E->DefLines, M->LI);
+
+ /* Define the file offset of the memory area. This isn't of much
+ ** use for relocatable output files.
+ */
+ if (!M->Relocatable) {
+ SB_Printf (&Buf, "__%s_FILEOFFS__", GetString (M->Name));
+ E = CreateConstExport (GetStrBufId (&Buf), M->FileOffs);
+ CollAppend (&E->DefLines, M->LI);
+ }
+
+ /* Throw away the string buffer */
SB_Done (&Buf);
- }
+ }
+ /* If we didn't have an overflow, and are requested to fill the memory
+ ** area, account for that in the file size.
+ */
+ if ((M->Flags & MF_OVERFLOW) == 0 && (M->Flags & MF_FILL) != 0) {
+ M->F->Size += (M->Size - M->FillLevel);
+ }
}
/* Return the number of memory area overflows */
/* Get this entry */
File* F = CollAtUnchecked (&FileList, I);
- /* We don't need to look at files with no memory areas */
- if (CollCount (&F->MemoryAreas) > 0) {
+ /* We don't need to look at files with no memory areas */
+ if (CollCount (&F->MemoryAreas) > 0) {
- /* Is there an output file? */
- if (SB_GetLen (GetStrBuf (F->Name)) > 0) {
+ /* Is there an output file? */
+ if (SB_GetLen (GetStrBuf (F->Name)) > 0) {
- /* Assign a proper binary format */
- if (F->Format == BINFMT_DEFAULT) {
- F->Format = DefaultBinFmt;
- }
+ /* Assign a proper binary format */
+ if (F->Format == BINFMT_DEFAULT) {
+ F->Format = DefaultBinFmt;
+ }
- /* Call the apropriate routine for the binary format */
- switch (F->Format) {
+ /* Call the apropriate routine for the binary format */
+ switch (F->Format) {
- case BINFMT_BINARY:
- BinWriteTarget (BinFmtDesc, F);
- break;
+ case BINFMT_BINARY:
+ BinWriteTarget (BinFmtDesc, F);
+ break;
- case BINFMT_O65:
- O65WriteTarget (O65FmtDesc, F);
- break;
+ case BINFMT_O65:
+ O65WriteTarget (O65FmtDesc, F);
+ break;
- default:
- Internal ("Invalid binary format: %u", F->Format);
+ default:
+ Internal ("Invalid binary format: %u", F->Format);
- }
+ }
- } else {
+ } else {
- /* No output file. Walk through the list and mark all segments
- * loading into these memory areas in this file as dumped.
- */
+ /* No output file. Walk through the list and mark all segments
+ ** loading into these memory areas in this file as dumped.
+ */
unsigned J;
for (J = 0; J < CollCount (&F->MemoryAreas); ++J) {
unsigned K;
/* Get this entry */
- MemoryArea* M = CollAtUnchecked (&F->MemoryAreas, J);
+ MemoryArea* M = CollAtUnchecked (&F->MemoryAreas, J);
- /* Debugging */
- Print (stdout, 2, "Skipping `%s'...\n", GetString (M->Name));
+ /* Debugging */
+ Print (stdout, 2, "Skipping `%s'...\n", GetString (M->Name));
- /* Walk throught the segments */
+ /* Walk throught the segments */
for (K = 0; K < CollCount (&M->SegList); ++K) {
SegDesc* S = CollAtUnchecked (&M->SegList, K);
- if (S->Load == M) {
- /* Load area - mark the segment as dumped */
- S->Seg->Dumped = 1;
- }
- }
- }
- }
- }
+ if (S->Load == M) {
+ /* Load area - mark the segment as dumped */
+ S->Seg->Dumped = 1;
+ }
+ }
+ }
+ }
+ }
}
}
-
-
-