/*****************************************************************************/
-/* */
-/* main.c */
-/* */
-/* Main program for the ld65 linker */
-/* */
-/* */
-/* */
-/* (C) 1998-2000 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
-/* */
-/* */
-/* This software is provided 'as-is', without any expressed or implied */
+/* */
+/* main.c */
+/* */
+/* Main program for the ld65 linker */
+/* */
+/* */
+/* */
+/* (C) 1998-2013, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
-/* arising from the use of this software. */
-/* */
+/* arising from the use of this software. */
+/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
-/* freely, subject to the following restrictions: */
-/* */
+/* freely, subject to the following restrictions: */
+/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
-/* appreciated but is not required. */
+/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
-/* be misrepresented as being the original software. */
-/* 3. This notice may not be removed or altered from any source */
-/* distribution. */
-/* */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
/*****************************************************************************/
#include <errno.h>
/* common */
+#include "addrsize.h"
+#include "chartype.h"
#include "cmdline.h"
+#include "filetype.h"
#include "libdefs.h"
#include "objdefs.h"
+#include "print.h"
#include "target.h"
#include "version.h"
#include "xmalloc.h"
/* ld65 */
+#include "asserts.h"
#include "binfmt.h"
+#include "condes.h"
#include "config.h"
+#include "dbgfile.h"
#include "error.h"
#include "exports.h"
#include "fileio.h"
+#include "filepath.h"
#include "global.h"
#include "library.h"
#include "mapfile.h"
#include "objfile.h"
#include "scanner.h"
#include "segments.h"
-#include "tgtcfg.h"
+#include "spool.h"
+#include "tpool.h"
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
-static unsigned ObjFiles = 0; /* Count of object files linked */
-static unsigned LibFiles = 0; /* Count of library files linked */
-static const char* LibPath = 0; /* Search path for modules */
-static unsigned LibPathLen = 0; /* Length of LibPath */
+static unsigned ObjFiles = 0; /* Count of object files linked */
+static unsigned LibFiles = 0; /* Count of library files linked */
+
+/* struct InputFile.Type definitions */
+#define INPUT_FILES_FILE 0 /* Entry is a file (unknown type) */
+#define INPUT_FILES_FILE_OBJ 1 /* Entry is a object file */
+#define INPUT_FILES_FILE_LIB 2 /* Entry is a library file */
+#define INPUT_FILES_SGROUP 3 /* Entry is 'StartGroup' */
+#define INPUT_FILES_EGROUP 4 /* Entry is 'EndGroup' */
+
+#define MAX_INPUTFILES 256
+
+/* Array of inputs (libraries and object files) */
+static struct InputFile {
+ const char *FileName;
+ unsigned Type;
+} *InputFiles;
+static unsigned InputFilesCount = 0;
+static const char *CmdlineCfgFile = NULL,
+ *CmdlineTarget = NULL;
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
static void Usage (void)
/* Print usage information and exit */
{
- fprintf (stderr,
- "Usage: %s [options] module ...\n"
- "Short options:\n"
- " -h\t\t\tHelp (this text)\n"
- " -m name\t\tCreate a map file\n"
- " -o name\t\tName the default output file\n"
- " -t sys\t\tSet the target system\n"
- " -v\t\t\tVerbose mode\n"
- " -vm\t\t\tVerbose map file\n"
- " -C name\t\tUse linker config file\n"
- " -Ln name\t\tCreate a VICE label file\n"
- " -Lp\t\t\tMark write protected segments as such (VICE)\n"
- " -S addr\t\tSet the default start address\n"
- " -V\t\t\tPrint the linker version\n"
- "\n"
- "Long options:\n"
- " --help\t\tHelp (this text)\n"
- " --mapfile name\tCreate a map file\n"
- " --start-addr addr\tSet the default start address\n"
- " --target sys\t\tSet the target system\n"
- " --version\t\tPrint the linker version\n",
- ProgName);
+ printf ("Usage: %s [options] module ...\n"
+ "Short options:\n"
+ " -(\t\t\tStart a library group\n"
+ " -)\t\t\tEnd a library group\n"
+ " -C name\t\tUse linker config file\n"
+ " -D sym=val\t\tDefine a symbol\n"
+ " -L path\t\tSpecify a library search path\n"
+ " -Ln name\t\tCreate a VICE label file\n"
+ " -S addr\t\tSet the default start address\n"
+ " -V\t\t\tPrint the linker version\n"
+ " -h\t\t\tHelp (this text)\n"
+ " -m name\t\tCreate a map file\n"
+ " -o name\t\tName the default output file\n"
+ " -t sys\t\tSet the target system\n"
+ " -u sym\t\tForce an import of symbol 'sym'\n"
+ " -v\t\t\tVerbose mode\n"
+ " -vm\t\t\tVerbose map file\n"
+ "\n"
+ "Long options:\n"
+ " --allow-multiple-definition\tAllow multiple definitions\n"
+ " --cfg-path path\t\tSpecify a config file search path\n"
+ " --config name\t\t\tUse linker config file\n"
+ " --dbgfile name\t\tGenerate debug information\n"
+ " --define sym=val\t\tDefine a symbol\n"
+ " --end-group\t\t\tEnd a library group\n"
+ " --force-import sym\t\tForce an import of symbol 'sym'\n"
+ " --help\t\t\tHelp (this text)\n"
+ " --lib file\t\t\tLink this library\n"
+ " --lib-path path\t\tSpecify a library search path\n"
+ " --mapfile name\t\tCreate a map file\n"
+ " --module-id id\t\tSpecify a module id\n"
+ " --obj file\t\t\tLink this object file\n"
+ " --obj-path path\t\tSpecify an object file search path\n"
+ " --start-addr addr\t\tSet the default start address\n"
+ " --start-group\t\t\tStart a library group\n"
+ " --target sys\t\t\tSet the target system\n"
+ " --version\t\t\tPrint the linker version\n",
+ ProgName);
}
static unsigned long CvtNumber (const char* Arg, const char* Number)
/* Convert a number from a string. Allow '$' and '0x' prefixes for hex
- * numbers.
- */
+** numbers.
+*/
{
unsigned long Val;
- int Converted;
+ int Converted;
/* Convert */
if (*Number == '$') {
- ++Number;
- Converted = sscanf (Number, "%lx", &Val);
+ ++Number;
+ Converted = sscanf (Number, "%lx", &Val);
} else {
- Converted = sscanf (Number, "%li", (long*)&Val);
+ Converted = sscanf (Number, "%li", (long*)&Val);
}
/* Check if we do really have a number */
if (Converted != 1) {
- Error ("Invalid number given in argument: %s\n", Arg);
+ Error ("Invalid number given in argument: %s\n", Arg);
}
/* Return the result */
-static int HasPath (const char* Name)
-/* Check if the given Name has a path component */
+static void LinkFile (const char* Name, FILETYPE Type)
+/* Handle one file */
{
- return strchr (Name, '/') != 0 || strchr (Name, '\\') != 0;
-}
+ char* PathName;
+ FILE* F;
+ unsigned long Magic;
+ /* If we don't know the file type, determine it from the extension */
+ if (Type == FILETYPE_UNKNOWN) {
+ Type = GetFileType (Name);
+ }
-static void LinkFile (const char* Name)
-/* Handle one file */
-{
- unsigned long Magic;
- unsigned Len;
- char* NewName = 0;
+ /* For known file types, search the file in the directory list */
+ switch (Type) {
+
+ case FILETYPE_LIB:
+ PathName = SearchFile (LibSearchPath, Name);
+ if (PathName == 0) {
+ PathName = SearchFile (LibDefaultPath, Name);
+ }
+ break;
+
+ case FILETYPE_OBJ:
+ PathName = SearchFile (ObjSearchPath, Name);
+ if (PathName == 0) {
+ PathName = SearchFile (ObjDefaultPath, Name);
+ }
+ break;
+
+ default:
+ PathName = xstrdup (Name); /* Use the name as is */
+ break;
+ }
+
+ /* We must have a valid name now */
+ if (PathName == 0) {
+ Error ("Input file '%s' not found", Name);
+ }
/* Try to open the file */
- FILE* F = fopen (Name, "rb");
+ F = fopen (PathName, "rb");
if (F == 0) {
- /* We couldn't open the file. If the name doesn't have a path, and we
- * have a search path given, try the name with the search path
- * prepended.
- */
- if (LibPathLen > 0 && !HasPath (Name)) {
- /* Allocate memory. Account for the trailing zero, and for a
- * path separator character eventually needed.
- */
- Len = LibPathLen;
- NewName = xmalloc (strlen (Name) + Len + 2);
- /* Build the new name */
- memcpy (NewName, LibPath, Len);
- if (NewName [Len-1] != '/' && NewName [Len-1] != '\\') {
- /* We need an additional path separator */
- NewName [Len++] = '/';
- }
- strcpy (NewName + Len, Name);
-
- /* Now try to open the new file */
- F = fopen (NewName, "rb");
- }
-
- if (F == 0) {
- Error ("Cannot open `%s': %s", Name, strerror (errno));
- }
+ Error ("Cannot open '%s': %s", PathName, strerror (errno));
}
/* Read the magic word */
Magic = Read32 (F);
- /* Do we know this type of file? */
+ /* Check the magic for known file types. The handling is somewhat weird
+ ** since we may have given a file with a ".lib" extension, which was
+ ** searched and found in a directory for library files, but we now find
+ ** out (by looking at the magic) that it's indeed an object file. We just
+ ** ignore the problem and hope no one will notice...
+ */
switch (Magic) {
- case OBJ_MAGIC:
- ObjAdd (F, Name);
- ++ObjFiles;
- break;
+ case OBJ_MAGIC:
+ ObjAdd (F, PathName);
+ ++ObjFiles;
+ break;
+
+ case LIB_MAGIC:
+ LibAdd (F, PathName);
+ ++LibFiles;
+ break;
+
+ default:
+ fclose (F);
+ Error ("File '%s' has unknown type", PathName);
+
+ }
+
+ /* Free allocated memory. */
+ xfree (PathName);
+}
+
- case LIB_MAGIC:
- LibAdd (F, Name);
- ++LibFiles;
- break;
- default:
- fclose (F);
- Error ("File `%s' has unknown type", Name);
+static void DefineSymbol (const char* Def)
+/* Define a symbol from the command line */
+{
+ const char* P;
+ long Val;
+ StrBuf SymName = AUTO_STRBUF_INITIALIZER;
+
+
+ /* The symbol must start with a character or underline */
+ if (Def [0] != '_' && !IsAlpha (Def [0])) {
+ InvDef (Def);
+ }
+ P = Def;
+
+ /* Copy the symbol, checking the remainder */
+ while (IsAlNum (*P) || *P == '_') {
+ SB_AppendChar (&SymName, *P++);
+ }
+ SB_Terminate (&SymName);
+ /* Do we have a value given? */
+ if (*P != '=') {
+ InvDef (Def);
+ } else {
+ /* We have a value */
+ ++P;
+ if (*P == '$') {
+ ++P;
+ if (sscanf (P, "%lx", &Val) != 1) {
+ InvDef (Def);
+ }
+ } else {
+ if (sscanf (P, "%li", &Val) != 1) {
+ InvDef (Def);
+ }
+ }
}
- /* If we have allocated memory, free it here. Note: Memory will not always
- * be freed if we run into an error, but that's no problem. Adding more
- * code to work around it will use more memory than the chunk that's lost.
- */
- xfree (NewName);
+ /* Define the new symbol */
+ CreateConstExport (GetStringId (SB_GetConstBuf (&SymName)), Val);
+}
+
+
+
+static void OptCfgPath (const char* Opt attribute ((unused)), const char* Arg)
+/* Specify a config file search path */
+{
+ AddSearchPath (CfgSearchPath, Arg);
}
-static void OptConfig (const char* Opt, const char* Arg)
+static void OptConfig (const char* Opt attribute ((unused)), const char* Arg)
/* Define the config file */
{
+ char* PathName;
+
if (CfgAvail ()) {
- Error ("Cannot use -C/-t twice");
+ Error ("Cannot use -C/-t twice");
+ }
+ /* Search for the file */
+ PathName = SearchFile (CfgSearchPath, Arg);
+ if (PathName == 0) {
+ PathName = SearchFile (CfgDefaultPath, Arg);
+ }
+ if (PathName == 0) {
+ Error ("Cannot find config file '%s'", Arg);
}
- CfgSetName (Arg);
+
+ /* Read the config */
+ CfgSetName (PathName);
+ CfgRead ();
}
-static void OptHelp (const char* Opt, const char* Arg)
+static void OptDbgFile (const char* Opt attribute ((unused)), const char* Arg)
+/* Give the name of the debug file */
+{
+ DbgFileName = Arg;
+}
+
+
+
+static void OptDefine (const char* Opt attribute ((unused)), const char* Arg)
+/* Define a symbol on the command line */
+{
+ DefineSymbol (Arg);
+}
+
+
+
+static void OptEndGroup (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* End a library group */
+{
+ LibEndGroup ();
+}
+
+
+
+static void OptForceImport (const char* Opt attribute ((unused)), const char* Arg)
+/* Force an import of a symbol */
+{
+ /* An optional address size may be specified */
+ const char* ColPos = strchr (Arg, ':');
+ if (ColPos == 0) {
+
+ /* Use default address size (which for now is always absolute
+ ** addressing)
+ */
+ InsertImport (GenImport (GetStringId (Arg), ADDR_SIZE_ABS));
+
+ } else {
+
+ char* A;
+
+ /* Get the address size and check it */
+ unsigned char AddrSize = AddrSizeFromStr (ColPos+1);
+ if (AddrSize == ADDR_SIZE_INVALID) {
+ Error ("Invalid address size '%s'", ColPos+1);
+ }
+
+ /* Create a copy of the argument */
+ A = xstrdup (Arg);
+
+ /* We need just the symbol */
+ A[ColPos - Arg] = '\0';
+
+ /* Generate the import */
+ InsertImport (GenImport (GetStringId (A), AddrSize));
+
+ /* Delete the copy of the argument */
+ xfree (A);
+ }
+}
+
+
+
+static void OptHelp (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
/* Print usage information and exit */
{
Usage ();
-static void OptMapFile (const char* Opt, const char* Arg)
+static void OptLib (const char* Opt attribute ((unused)), const char* Arg)
+/* Link a library */
+{
+ InputFiles[InputFilesCount].Type = INPUT_FILES_FILE_LIB;
+ InputFiles[InputFilesCount].FileName = Arg;
+ if (++InputFilesCount >= MAX_INPUTFILES)
+ Error ("Too many input files");
+}
+
+
+
+static void OptLibPath (const char* Opt attribute ((unused)), const char* Arg)
+/* Specify a library file search path */
+{
+ AddSearchPath (LibSearchPath, Arg);
+}
+
+
+
+static void OptMapFile (const char* Opt attribute ((unused)), const char* Arg)
/* Give the name of the map file */
{
+ if (MapFileName) {
+ Error ("Cannot use -m twice");
+ }
MapFileName = Arg;
}
+static void OptModuleId (const char* Opt, const char* Arg)
+/* Specify a module id */
+{
+ unsigned long Id = CvtNumber (Opt, Arg);
+ if (Id > 0xFFFFUL) {
+ Error ("Range error in module id");
+ }
+ ModuleId = (unsigned) Id;
+}
+
+
+
+static void OptObj (const char* Opt attribute ((unused)), const char* Arg)
+/* Link an object file */
+{
+ InputFiles[InputFilesCount].Type = INPUT_FILES_FILE_OBJ;
+ InputFiles[InputFilesCount].FileName = Arg;
+ if (++InputFilesCount >= MAX_INPUTFILES)
+ Error ("Too many input files");
+}
+
+
+
+static void OptObjPath (const char* Opt attribute ((unused)), const char* Arg)
+/* Specify an object file search path */
+{
+ AddSearchPath (ObjSearchPath, Arg);
+}
+
+
+
+static void OptOutputName (const char* Opt attribute ((unused)), const char* Arg)
+/* Give the name of the output file */
+{
+ static int OutputNameSeen = 0;
+ if (OutputNameSeen) {
+ Error ("Cannot use -o twice");
+ }
+ OutputNameSeen = 1;
+ OutputName = Arg;
+}
+
+
+
static void OptStartAddr (const char* Opt, const char* Arg)
/* Set the default start address */
{
+ if (HaveStartAddr) {
+ Error ("Cannot use -S twice");
+ }
StartAddr = CvtNumber (Opt, Arg);
+ HaveStartAddr = 1;
+}
+
+
+
+static void OptStartGroup (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Start a library group */
+{
+ LibStartGroup ();
}
-static void OptTarget (const char* Opt, const char* Arg)
+static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
/* Set the target system */
{
- const TargetDesc* D;
+ StrBuf FileName = STATIC_STRBUF_INITIALIZER;
+ char* PathName;
/* Map the target name to a target id */
Target = FindTarget (Arg);
if (Target == TGT_UNKNOWN) {
- Error ("Invalid target name: `%s'", Arg);
+ Error ("Invalid target name: '%s'", Arg);
+ }
+
+ /* Set the target binary format */
+ DefaultBinFmt = GetTargetProperties (Target)->BinFmt;
+
+ /* Build config file name from target name */
+ SB_CopyStr (&FileName, GetTargetName (Target));
+ SB_AppendStr (&FileName, ".cfg");
+ SB_Terminate (&FileName);
+
+ /* Search for the file */
+ PathName = SearchFile (CfgSearchPath, SB_GetBuf (&FileName));
+ if (PathName == 0) {
+ PathName = SearchFile (CfgDefaultPath, SB_GetBuf (&FileName));
+ }
+ if (PathName == 0) {
+ Error ("Cannot find config file '%s'", SB_GetBuf (&FileName));
}
- /* Get the target description record */
- D = &Targets[Target];
+ /* Free file name memory */
+ SB_Done (&FileName);
- /* Set the target data */
- DefaultBinFmt = D->BinFmt;
- CfgSetBuf (D->Cfg);
+ /* Read the file */
+ CfgSetName (PathName);
+ CfgRead ();
}
-static void OptVersion (const char* Opt, const char* Arg)
+static void OptVersion (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
/* Print the assembler version */
{
- fprintf (stderr,
- "ld65 V%u.%u.%u - (C) Copyright 1998-2000 Ullrich von Bassewitz\n",
- VER_MAJOR, VER_MINOR, VER_PATCH);
+ fprintf (stderr, "%s V%s\n", ProgName, GetVersionAsString ());
+ exit(EXIT_SUCCESS);
}
-int main (int argc, char* argv [])
-/* Assembler main program */
+static void OptMultDef (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Print the assembler version */
{
- /* Program long options */
- static const LongOpt OptTab[] = {
- { "--config", 1, OptConfig },
- { "--help", 0, OptHelp },
- { "--mapfile", 1, OptMapFile },
- { "--start-addr", 1, OptStartAddr },
- { "--target", 1, OptTarget },
- { "--version", 0, OptVersion },
- };
+ AllowMultDef = 1;
+}
- int I;
- /* Initialize the cmdline module */
- InitCmdLine (argc, argv, "ld65");
- /* Evaluate the CC65_LIB environment variable */
- LibPath = getenv ("CC65_LIB");
- if (LibPath == 0) {
- /* Use some default path */
-#ifdef CC65_LIB
- LibPath = CC65_LIB;
-#else
- LibPath = "/usr/lib/cc65/lib/";
-#endif
+static void CmdlOptStartGroup (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Remember 'start group' occurrence in input files array */
+{
+ InputFiles[InputFilesCount].Type = INPUT_FILES_SGROUP;
+ InputFiles[InputFilesCount].FileName = Arg; /* Unused */
+ if (++InputFilesCount >= MAX_INPUTFILES)
+ Error ("Too many input files");
+}
+
+
+
+static void CmdlOptEndGroup (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Remember 'end group' occurrence in input files array */
+{
+ InputFiles[InputFilesCount].Type = INPUT_FILES_EGROUP;
+ InputFiles[InputFilesCount].FileName = Arg; /* Unused */
+ if (++InputFilesCount >= MAX_INPUTFILES)
+ Error ("Too many input files");
+}
+
+
+
+static void CmdlOptConfig (const char* Opt attribute ((unused)), const char* Arg)
+/* Set 'config file' command line parameter */
+{
+ if (CmdlineCfgFile || CmdlineTarget) {
+ Error ("Cannot use -C/-t twice");
}
- LibPathLen = strlen (LibPath);
+ CmdlineCfgFile = Arg;
+}
- /* Check the parameters */
- I = 1;
- while (I < argc) {
- /* Get the argument */
- const char* Arg = argv [I];
- /* Check for an option */
- if (Arg [0] == '-') {
+static void CmdlOptTarget (const char* Opt attribute ((unused)), const char* Arg)
+/* Set 'target' command line parameter */
+{
+ if (CmdlineCfgFile || CmdlineTarget) {
+ Error ("Cannot use -C/-t twice");
+ }
+ CmdlineTarget = Arg;
+}
- /* An option */
- switch (Arg [1]) {
- case '-':
- LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
- break;
- case 'h':
- case '?':
- OptHelp (Arg, 0);
- break;
+static void ParseCommandLine(void)
+{
+ /* Program long options */
+ static const LongOpt OptTab[] = {
+ { "--allow-multiple-definition", 0, OptMultDef },
+ { "--cfg-path", 1, OptCfgPath },
+ { "--config", 1, CmdlOptConfig },
+ { "--dbgfile", 1, OptDbgFile },
+ { "--define", 1, OptDefine },
+ { "--end-group", 0, CmdlOptEndGroup },
+ { "--force-import", 1, OptForceImport },
+ { "--help", 0, OptHelp },
+ { "--lib", 1, OptLib },
+ { "--lib-path", 1, OptLibPath },
+ { "--mapfile", 1, OptMapFile },
+ { "--module-id", 1, OptModuleId },
+ { "--obj", 1, OptObj },
+ { "--obj-path", 1, OptObjPath },
+ { "--start-addr", 1, OptStartAddr },
+ { "--start-group", 0, CmdlOptStartGroup },
+ { "--target", 1, CmdlOptTarget },
+ { "--version", 0, OptVersion },
+ };
- case 'm':
- OptMapFile (Arg, GetArg (&I, 2));
- break;
+ unsigned I;
+ unsigned LabelFileGiven = 0;
- case 'o':
- OutputName = GetArg (&I, 2);
- break;
+ /* Allocate memory for input file array */
+ InputFiles = xmalloc (MAX_INPUTFILES * sizeof (struct InputFile));
- case 't':
- if (CfgAvail ()) {
- Error ("Cannot use -C/-t twice");
- }
- OptTarget (Arg, GetArg (&I, 2));
- break;
+ /* Defer setting of config/target and input files until all options are parsed */
+ I = 1;
+ while (I < ArgCount) {
+
+ /* Get the argument */
+ const char* Arg = ArgVec[I];
+
+ /* Check for an option */
+ if (Arg [0] == '-') {
+
+ /* An option */
+ switch (Arg [1]) {
+
+ case '-':
+ LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
+ break;
+
+ case '(':
+ CmdlOptStartGroup (Arg, 0);
+ break;
+
+ case ')':
+ CmdlOptEndGroup (Arg, 0);
+ break;
+
+ case 'h':
+ case '?':
+ OptHelp (Arg, 0);
+ break;
+
+ case 'm':
+ OptMapFile (Arg, GetArg (&I, 2));
+ break;
+
+ case 'o':
+ OptOutputName (NULL, GetArg (&I, 2));
+ break;
+
+ case 't':
+ CmdlOptTarget (Arg, GetArg (&I, 2));
+ break;
+
+ case 'u':
+ OptForceImport (Arg, GetArg (&I, 2));
+ break;
+
+ case 'v':
+ switch (Arg [2]) {
+ case 'm': VerboseMap = 1; break;
+ case '\0': ++Verbosity; break;
+ default: UnknownOption (Arg);
+ }
+ break;
+
+ case 'C':
+ CmdlOptConfig (Arg, GetArg (&I, 2));
+ break;
+
+ case 'D':
+ OptDefine (Arg, GetArg (&I, 2));
+ break;
+
+ case 'L':
+ switch (Arg [2]) {
+ case 'n':
+ /* ## This one is obsolete and will go */
+ if (LabelFileGiven) {
+ Error ("Cannot use -Ln twice");
+ }
+ LabelFileGiven = 1;
+ LabelFileName = GetArg (&I, 3);
+ break;
+ default:
+ OptLibPath (Arg, GetArg (&I, 2));
+ break;
+ }
+ break;
+
+ case 'S':
+ OptStartAddr (Arg, GetArg (&I, 2));
+ break;
+
+ case 'V':
+ OptVersion (Arg, 0);
+ break;
+
+ default:
+ UnknownOption (Arg);
+ break;
+ }
+
+ } else {
+
+ /* A filename */
+ InputFiles[InputFilesCount].Type = INPUT_FILES_FILE;
+ InputFiles[InputFilesCount].FileName = Arg;
+ if (++InputFilesCount >= MAX_INPUTFILES)
+ Error ("Too many input files");
+
+ }
+
+ /* Next argument */
+ ++I;
+ }
- case 'v':
- switch (Arg [2]) {
- case 'm': VerboseMap = 1; break;
- case '\0': ++Verbose; break;
- default: UnknownOption (Arg);
- }
- break;
+ if (CmdlineTarget) {
+ OptTarget (NULL, CmdlineTarget);
+ } else if (CmdlineCfgFile) {
+ OptConfig (NULL, CmdlineCfgFile);
+ }
- case 'C':
- OptConfig (Arg, GetArg (&I, 2));
- break;
+ /* Process input files */
+ for (I = 0; I < InputFilesCount; ++I) {
+ switch (InputFiles[I].Type) {
+ case INPUT_FILES_FILE:
+ LinkFile (InputFiles[I].FileName, FILETYPE_UNKNOWN);
+ break;
+ case INPUT_FILES_FILE_LIB:
+ LinkFile (InputFiles[I].FileName, FILETYPE_LIB);
+ break;
+ case INPUT_FILES_FILE_OBJ:
+ LinkFile (InputFiles[I].FileName, FILETYPE_OBJ);
+ break;
+ case INPUT_FILES_SGROUP:
+ OptStartGroup (NULL, 0);
+ break;
+ case INPUT_FILES_EGROUP:
+ OptEndGroup (NULL, 0);
+ break;
+ default:
+ abort ();
+ }
+ }
- case 'L':
- switch (Arg [2]) {
- case 'n': LabelFileName = GetArg (&I, 3); break;
- case 'p': WProtSegs = 1; break;
- default: UnknownOption (Arg); break;
- }
- break;
+ /* Free memory used for input file array */
+ xfree (InputFiles);
+}
- case 'S':
- OptStartAddr (Arg, GetArg (&I, 2));
- break;
- case 'V':
- OptVersion (Arg, 0);
- break;
- default:
- UnknownOption (Arg);
- break;
- }
+int main (int argc, char* argv [])
+/* Linker main program */
+{
+ unsigned MemoryAreaOverflows;
- } else {
+ /* Initialize the cmdline module */
+ InitCmdLine (&argc, &argv, "ld65");
- /* A filename */
- LinkFile (Arg);
+ /* Initialize the input file search paths */
+ InitSearchPaths ();
- }
+ /* Initialize the string pool */
+ InitStrPool ();
- /* Next argument */
- ++I;
- }
+ /* Initialize the type pool */
+ InitTypePool ();
+
+ /* Parse the command line */
+ ParseCommandLine ();
/* Check if we had any object files */
if (ObjFiles == 0) {
- Error ("No object files to link");
+ Error ("No object files to link");
}
/* Check if we have a valid configuration */
if (!CfgAvail ()) {
- Error ("Memory configuration missing");
+ Error ("Memory configuration missing");
}
- /* Read the config file */
- CfgRead ();
-
- /* Assign start addresses for the segments, define linker symbols */
- CfgAssignSegments ();
+ /* Check if we have open library groups */
+ LibCheckGroup ();
+
+ /* Create the condes tables if requested */
+ ConDesCreate ();
+
+ /* Process data from the config file. Assign start addresses for the
+ ** segments, define linker symbols. The function will return the number
+ ** of memory area overflows (zero on success).
+ */
+ MemoryAreaOverflows = CfgProcess ();
+
+ /* Check module assertions */
+ CheckAssertions ();
+
+ /* Check for import/export mismatches */
+ CheckExports ();
+
+ /* If we had a memory area overflow before, we cannot generate the output
+ ** file. However, we will generate a short map file if requested, since
+ ** this will help the user to rearrange segments and fix the overflow.
+ */
+ if (MemoryAreaOverflows) {
+ if (MapFileName) {
+ CreateMapFile (SHORT_MAPFILE);
+ }
+ Error ("Cannot generate most of the files due to memory area overflow%c",
+ (MemoryAreaOverflows > 1) ? 's' : ' ');
+ }
/* Create the output file */
CfgWriteTarget ();
/* If requested, create a map file and a label file for VICE */
if (MapFileName) {
- CreateMapFile ();
+ CreateMapFile (LONG_MAPFILE);
}
if (LabelFileName) {
- CreateLabelFile ();
+ CreateLabelFile ();
+ }
+ if (DbgFileName) {
+ CreateDbgFile ();
}
/* Dump the data for debugging */
- if (Verbose > 1) {
- SegDump ();
+ if (Verbosity > 1) {
+ SegDump ();
+ ConDesDump ();
}
/* Return an apropriate exit code */
return EXIT_SUCCESS;
}
-
-
-
-
projects / cc65 / blobdiff