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/* lklib.c
Copyright (C) 1989-1995 Alan R. Baldwin
721 Berkeley St., Kent, Ohio 44240
Copyright (C) 2008-2009 Borut Razem, borut dot razem at siol dot net
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/*
* With contributions for the
* object libraries from
* Ken Hornstein
* kenh@cmf.nrl.navy.mil
*
*/
/*
* Extensions: P. Felber
*/
#include <string.h>
#include "sdld.h"
#include "lk_readnl.h"
#include "aslink.h"
#include "lklibr.h"
#include "lkrel.h"
static int
is_lib (FILE * libfp)
{
return 1;
}
#ifdef INDEXLIB
/* buildlibraryindex - build an in-memory cache of the symbols contained in
* the libraries
*/
static pmlibraryfile
buildlibraryindex_lib (struct lbname *lbnh, FILE * libfp, pmlibraryfile This, int type)
{
char relfil[NINPUT];
while (lk_readnl (relfil, sizeof (relfil), libfp) != NULL)
{
FILE *fp;
char str[PATH_MAX];
if (lbnh->path != NULL)
{
strcpy (str, lbnh->path);
#ifdef OTHERSYSTEM
if ((*str != '\0') && (str[strlen (str) - 1] != '/') && (str[strlen (str) - 1] != LKDIRSEP))
{
strcat (str, LKDIRSEPSTR);
}
#endif
}
else
str[0] = '\0';
if ((relfil[0] == '/') || (relfil[0] == LKDIRSEP))
{
strcat (str, relfil + 1);
}
else
{
strcat (str, relfil);
}
if (strchr (relfil, FSEPX) == NULL)
{
sprintf (&str[strlen (str)], "%c%s", FSEPX, LKOBJEXT);
}
if ((fp = fopen (str, "rb")) != NULL)
{
/* Opened OK - create a new libraryfile object for it */
if (libr == NULL)
{
libr = This = (pmlibraryfile) new (sizeof (mlibraryfile));
}
else
{
This->next = (pmlibraryfile) new (sizeof (mlibraryfile));
This = This->next;
}
This->next = NULL;
This->loaded = -1;
This->libspc = lbnh->libspc;
This->relfil = strdup (relfil);
This->filspc = strdup (str);
This->type = type;
/* Start a new linked list of symbols for this module: */
This->symbols = NULL;
add_rel_index (fp, -1, This);
fclose (fp);
} /* Closes if object file opened OK */
else
{
fprintf (stderr, "?ASlink-Warning-Cannot open library module %s\n", str);
}
} /* Ends while - processing all in libr */
return This;
}
#else
static int
fndsym_lib (const char *name, struct lbname *lbnh, FILE * libfp, int type)
{
char relfil[NINPUT];
D ("Searching symbol: %s\n", name);
while (lk_readnl (relfil, sizeof (relfil), libfp) != NULL)
{
char str[PATH_MAX];
FILE *fp;
if (lbnh->path != NULL)
{
strcpy (str, lbnh->path);
#ifdef OTHERSYSTEM
if ((*str != '\0') && (str[strlen (str) - 1] != '/') && (str[strlen (str) - 1] != LKDIRSEP))
{
strcat (str, LKDIRSEPSTR);
}
#endif
}
else
str[0] = '\0';
if ((relfil[0] == '/') || (relfil[0] == LKDIRSEP))
{
strcat (str, relfil + 1);
}
else
{
strcat (str, relfil);
}
if (strchr (relfil, FSEPX) == NULL)
{
sprintf (&str[strlen (str)], "%c%s", FSEPX, LKOBJEXT);
}
if ((fp = fopen (str, "rb")) != NULL)
{
/* Opened OK - create a new libraryfile object for it */
int ret = add_rel_file (name, lbnh, relfil, str, -1, fp, -1, type);
fclose (fp);
if (ret)
{
D ("Loaded module %s from file %s.\n", str, str);
/* if cdb information required & adb file present */
if (yflag && yfp)
{
FILE *xfp = afile (str, "adb", 0); //JCF: Nov 30, 2002
if (xfp)
{
SaveLinkedFilePath (str);
copyfile (yfp, xfp);
fclose (xfp);
}
}
return 1; /* Found the symbol, so success! */
}
} /* Closes if object file opened OK */
else
{
fprintf (stderr, "?ASlink-Warning-Cannot open library module %s\n", str);
}
} /* Ends while - processing all in libr */
return 0; /* The symbol is not in this library */
}
#endif
/*)Function VOID loadfile_lib(filspc)
*
* char *filspc library object file specification
*
* The function loadfile() links the library object module.
*
* local variables:
* FILE *fp file handle
* int i input line length
* char str[] file input line
*
* global variables:
* char *ip pointer to linker input string
*
* functions called:
* int fclose() c_library
* char *lk_readnl() lk_readnl.c
* FILE * fopen() c_library
* VOID link_main() lkmain.c
* int strlen() c_library
*
* side effects:
* If file exists it is linked.
*/
static VOID
loadfile_lib (struct lbfile *lbfh)
{
FILE *fp;
fp = fopen (lbfh->filspc, "rb");
if (fp != NULL)
{
load_rel (fp, -1);
fclose (fp);
}
else
{
fprintf (stderr, "?ASlink-Error-Opening library '%s'\n", lbfh->filspc);
fclose (fp);
lkexit (1);
}
}
struct aslib_target aslib_target_lib = {
&is_lib,
#ifdef INDEXLIB
&buildlibraryindex_lib,
#else
&fndsym_lib,
#endif
&loadfile_lib,
};
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