#include <malloc.h>
#endif
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include "aslink.h"
*
*/
+#ifdef INDEXLIB
+typedef struct slibrarysymbol mlibrarysymbol;
+typedef struct slibrarysymbol *pmlibrarysymbol;
+
+struct slibrarysymbol {
+ char name[NCPS];
+ pmlibrarysymbol next;
+};
+
+typedef struct slibraryfile mlibraryfile;
+typedef struct slibraryfile *pmlibraryfile;
+
+struct slibraryfile {
+ int loaded;
+ char *libspc;
+ char *str;
+ char relfil[PATH_MAX];
+ char filename[PATH_MAX];
+ long offset; //if > 0, the embedded file offset in the library file libspc
+ pmlibrarysymbol symbols;
+ pmlibraryfile next;
+};
+
+int buildlibraryindex();
+#endif /* INDEXLIB */
+
/*)Function VOID addpath()
*
* The function addpath() creates a linked structure containing
* global variables:
* lbpath *lbphead The pointer to the first
* path structure
+ * ip a pointer to the library name
*
* functions called:
* VOID addfile() lklibr.c
addlib()
{
struct lbpath *lbph;
+ int foundcount=0;
unget(getnb());
- if (lbphead == NULL) {
- addfile(NULL,ip);
- return;
- }
- for (lbph=lbphead; lbph; lbph=lbph->next) {
- addfile(lbph->path,ip);
+ if (lbphead == NULL)
+ {
+ foundcount=addfile(NULL, ip);
}
+ else
+ {
+ for (lbph=lbphead; lbph; lbph=lbph->next)
+ {
+ foundcount+=addfile(lbph->path, ip);
+ }
+ }
+ if(foundcount == 0)
+ {
+ printf("?ASlink-Warning-Couldn't find library '%s'\n", ip);
+ }
}
-/*)Function VOID addfile(path,libfil)
+/*)Function int addfile(path,libfil)
*
* char *path library path specification
* char *libfil library file specification
*
* side effects:
* An lbname structure may be created.
+ *
+ * return:
+ * 1: the library was found
+ * 0: the library was not found
*/
-VOID
-addfile(path,libfil)
-char *path;
-char *libfil;
+int addfile(char * path, char * libfil)
{
FILE *fp;
char *str;
struct lbname *lbnh, *lbn;
+#ifdef OTHERSYSTEM
+ int libfilinc=0;
+#endif
- if ((path != NULL) && (strchr(libfil,':') == NULL)){
+ if (path != NULL)
+ {
str = (char *) new (strlen(path) + strlen(libfil) + 6);
strcpy(str,path);
#ifdef OTHERSYSTEM
- if (str[strlen(str)-1] != '/') {
+ if (str[strlen(str)-1] != '/')
+ {
strcat(str,"/");
}
#endif
- } else {
+ }
+ else
+ {
str = (char *) new (strlen(libfil) + 5);
}
+
#ifdef OTHERSYSTEM
- if (libfil[0] == '/') { libfil++; }
+ if (libfil[0] == '/')
+ {
+ libfil++;
+ libfilinc=1;
+ }
#endif
- strcat(str,libfil);
- if(strchr(libfil,FSEPX) == NULL) {
+
+ strcat(str, libfil);
+ if(strchr(libfil, FSEPX) == NULL)
+ {
sprintf(&str[strlen(str)], "%clib", FSEPX);
}
- if ((fp = fopen(str, "r")) != NULL) {
+
+ fp=fopen(str, "r");
+ if(fp == NULL)
+ {
+ /*Ok, that didn't work. Try with the 'libfil' name only*/
+#ifdef OTHERSYSTEM
+ if(libfilinc) libfil--;
+#endif
+ fp=fopen(libfil, "r");
+ if(fp != NULL)
+ {
+ /*Bingo! 'libfil' is the absolute path of the library*/
+ strcpy(str, libfil);
+ path=NULL;/*This way 'libfil' and 'path' will be rebuilt from 'str'*/
+ }
+ }
+
+ if(path==NULL)
+ {
+ /*'path' can not be null since it is needed to find the '.rel' files associated with
+ the library. So, get 'path' from 'str' and then chop it off and recreate 'libfil'.
+ That way putting 'path' and 'libfil' together will result into the original filepath
+ as contained in 'str'.*/
+ int j;
+ path = (char *) new (strlen(str));
+ strcpy(path, str);
+ for(j=strlen(path)-1; j>=0; j--)
+ {
+ if((path[j]=='\\')||(path[j]=='/'))
+ {
+ strcpy(libfil, &path[j+1]);
+ path[j+1]=0;
+ break;
+ }
+ }
+ if(j<=0) path[0]=0;
+ }
+
+ if (fp != NULL)
+ {
fclose(fp);
lbnh = (struct lbname *) new (sizeof(struct lbname));
- if (lbnhead == NULL) {
+ if (lbnhead == NULL)
+ {
lbnhead = lbnh;
- } else {
+ }
+ else
+ {
lbn = lbnhead;
while (lbn->next)
lbn = lbn->next;
lbn->next = lbnh;
}
- if ((path != NULL) && (strchr(libfil,':') == NULL)){
- lbnh->path = path;
- }
+
+ lbnh->path = path;
lbnh->libfil = (char *) new (strlen(libfil) + 1);
strcpy(lbnh->libfil,libfil);
lbnh->libspc = str;
- } else {
+ return 1;
+ }
+ else
+ {
free(str);
+ return 0;
}
}
int SdccLib(char * PathLib, FILE * libfp, char * DirLib, char * SymName)
{
struct lbfile *lbfh, *lbf;
- char name[NCPS]="";
char ModName[NCPS]="";
char FLine[MAXLINE+1];
int state=0;
- long IndexOffset, FileOffset;
+ long IndexOffset=0, FileOffset;
while(!feof(libfp))
{
/*As in the original library format, it is assumed that the .rel
files reside in the same directory as the lib files.*/
strcat(DirLib, ModName);
- strcat(DirLib, ".rel"); /*FSEPX???*/
+ sprintf(&DirLib[strlen(DirLib)], "%crel", FSEPX);
/*If this module has been loaded already don't load it again.*/
lbf = lbfhead;
* is linked.
*/
+#ifdef INDEXLIB
+
+/* First entry in the library object symbol cache */
+mlibraryfile libr;
+
+int fndsym( char *name )
+{
+ struct lbfile *lbfh, *lbf;
+ pmlibraryfile ThisLibr;
+ pmlibrarysymbol ThisSym = NULL;
+
+ pmlibraryfile FirstFound;
+ int numfound=0;
+
+ /* Build the index if this is the first call to fndsym */
+ if (libr.next==NULL)
+ buildlibraryindex();
+
+ /* Iterate through all library object files */
+ ThisLibr = libr.next;
+ while (ThisLibr)
+ {
+ /* Iterate through all symbols in an object file */
+ ThisSym = ThisLibr->symbols->next;
+
+ while (ThisSym)
+ {
+ if (!strcmp(ThisSym->name, name))
+ {
+ if ((!ThisLibr->loaded) && (numfound==0))
+ {
+ /* Object file is not loaded - add it to the list */
+ lbfh = (struct lbfile *) new (sizeof(struct lbfile));
+ if (lbfhead == NULL)
+ {
+ lbfhead = lbfh;
+ }
+ else
+ {
+ lbf = lbfhead;
+ while (lbf->next)
+ lbf = lbf->next;
+ lbf->next = lbfh;
+ }
+ lbfh->libspc = ThisLibr->libspc;
+ lbfh->filspc = ThisLibr->str;
+ lbfh->relfil = (char *) new (strlen(ThisLibr->relfil) + 1);
+ strcpy(lbfh->relfil,ThisLibr->relfil);
+ lbfh->offset = ThisLibr->offset;
+ if(lbfh->offset>0)
+ { /*For an embedded object file in a library*/
+ void loadfile_SdccLib(char * libspc, char * module, long offset);
+ loadfile_SdccLib(lbfh->libspc, lbfh->relfil, lbfh->offset);
+ }
+ else
+ { /*For a stand alone object file*/
+ /* if cdb information required & adb file present */
+ if (dflag && dfp)
+ {
+ FILE *xfp = afile(lbfh->filspc, "adb",0);
+ if (xfp)
+ {
+ SaveLinkedFilePath(lbfh->filspc);
+ copyfile(dfp, xfp);
+ fclose(xfp);
+ }
+ }
+ loadfile(lbfh->filspc);
+ }
+ ThisLibr->loaded=1;
+ }
+
+ if(numfound==0)
+ {
+ numfound++;
+ FirstFound=ThisLibr;
+ }
+ else
+ {
+ if( !( EQ(FirstFound->libspc, ThisLibr->libspc) &&
+ EQ(FirstFound->relfil, ThisLibr->relfil) ) )
+ {
+ if(numfound==1)
+ {
+ printf("?Aslink-Warning-Definition of public symbol '%s'"
+ " found more than once:\n", name);
+ printf(" Library: '%s', Module: '%s'\n",
+ FirstFound->libspc, FirstFound->relfil);
+ }
+ printf(" Library: '%s', Module: '%s'\n",
+ ThisLibr->libspc, ThisLibr->relfil);
+ numfound++;
+ }
+ }
+ }
+ ThisSym=ThisSym->next; /* Next sym in library */
+ }
+ ThisLibr=ThisLibr->next; /* Next library in list */
+ }
+ return numfound;
+}
+
+pmlibraryfile buildlibraryindex_SdccLib(char * PathLib, FILE * libfp, char * DirLib, pmlibraryfile This)
+{
+ char ModName[NCPS]="";
+ char FLine[MAXLINE+1];
+ int state=0;
+ long IndexOffset=0, FileOffset;
+ pmlibrarysymbol ThisSym = NULL;
+
+ while(!feof(libfp))
+ {
+ FLine[0]=0;
+ fgets(FLine, MAXLINE, libfp);
+ chop_crlf(FLine);
+
+ switch(state)
+ {
+ case 0:
+ if(EQ(FLine, "<INDEX>"))
+ {
+ /*The next line has the size of the index*/
+ FLine[0]=0;
+ fgets(FLine, MAXLINE, libfp);
+ chop_crlf(FLine);
+ IndexOffset=atol(FLine);
+ state=1;
+ }
+ break;
+ case 1:
+ if(EQ(FLine, "<MODULE>"))
+ {
+ /*The next line has the name of the module and the offset
+ of the corresponding embedded file in the library*/
+ FLine[0]=0;
+ fgets(FLine, MAXLINE, libfp);
+ chop_crlf(FLine);
+ sscanf(FLine, "%s %ld", ModName, &FileOffset);
+ state=2;
+
+ /*create a new libraryfile object for this module*/
+ This->next = (pmlibraryfile)new( sizeof( mlibraryfile ));
+ if (This->next == NULL)
+ {
+ printf("panic: can't allocate memory.\n");
+ exit(-1);
+ }
+
+ This=This->next;
+ This->next = NULL;
+ This->loaded=-1; /*Kind of useless, but...*/
+ This->offset=FileOffset+IndexOffset;
+ This->libspc=PathLib;
+ strcpy(This->relfil, ModName);
+
+ sprintf(This->filename, "%s%s%crel", DirLib, ModName, FSEPX);
+
+ This->str=This->filename;
+
+ ThisSym = This->symbols = (pmlibrarysymbol)malloc( sizeof(mlibrarysymbol));
+ ThisSym->next = NULL;
+ }
+ else if(EQ(FLine, "</INDEX>"))
+ {
+ return This; /*Finish, get out of here*/
+ }
+ break;
+ case 2:
+ if(EQ(FLine, "</MODULE>"))
+ {
+ This->loaded=0;
+ /*Create the index for the next module*/
+ state=1;
+ }
+ else
+ {
+ /*Add the symbols*/
+ ThisSym->next = (pmlibrarysymbol)malloc(sizeof(mlibrarysymbol));
+ ThisSym=ThisSym->next;
+ if (ThisSym == NULL)
+ {
+ printf("panic: can't allocate memory.\n");
+ exit(-2);
+ }
+ ThisSym->next=NULL;
+ strcpy(ThisSym->name, FLine);
+ }
+ break;
+
+ default:
+ return This; /*State machine should never reach this point, but just in case...*/
+ break;
+ }
+ }
+
+ return This; /*State machine should never reach this point, but just in case...*/
+}
+
+
+/* buildlibraryindex - build an in-memory cache of the symbols contained in
+ * the libraries
+ */
+int buildlibraryindex(void)
+{
+ FILE *libfp, *fp;
+ struct lbname *lbnh;
+ char relfil[NINPUT+2], *str, *path;
+ char buf[NINPUT+2], c;
+ char symname[NINPUT+2];
+ pmlibraryfile This;
+ pmlibrarysymbol ThisSym;
+
+ This=&libr;
+
+ /*
+ * Search through every library in the linked list "lbnhead".
+ */
+
+ for (lbnh=lbnhead; lbnh; lbnh=lbnh->next)
+ {
+ if ((libfp = fopen(lbnh->libspc, "r")) == NULL)
+ {
+ fprintf(stderr, "Cannot open library file %s\n",
+ lbnh->libspc);
+ lkexit(1);
+ }
+ path = lbnh->path;
+
+ /*
+ * Read in a line from the library file.
+ * This is the relative file specification
+ * for a .REL file in this library.
+ */
+
+ while (fgets(relfil, NINPUT, libfp) != NULL)
+ {
+ relfil[NINPUT+1] = '\0';
+ chop_crlf(relfil);
+ if (path != NULL)
+ {
+ str = (char *)new(strlen(path)+strlen(relfil)+6);
+ strcpy(str,path);
+#ifdef OTHERSYSTEM
+ if (str[strlen(str)-1] != '/')
+ {
+ strcat(str,"/");
+ }
+#endif
+ }
+ else
+ {
+ str = (char *)new(strlen(relfil) + 5);
+ }
+
+ if(strcmp(relfil, "<SDCCLIB>")==0)
+ {
+ /*Get the built in index of a library*/
+ This=buildlibraryindex_SdccLib(lbnh->libspc, libfp, str, This);
+ free(str);
+ fclose(libfp);
+ break; /*get the index for next library*/
+ }
+
+ /*From here down, build the index for the original library format*/
+
+ if (relfil[0] == '\\')
+ {
+ strcat(str,relfil+1);
+ }
+ else
+ {
+ strcat(str,relfil);
+ }
+
+ if(strchr(str, FSEPX) == NULL)
+ {
+ sprintf(&str[strlen(str)], "%crel", FSEPX);
+ }
+
+ if ((fp = fopen(str, "r")) != NULL)
+ {
+ /* Opened OK - create a new libraryfile object for it */
+ This->next = (pmlibraryfile)new( sizeof( mlibraryfile ));
+ if (This->next == NULL)
+ {
+ printf("panic: can't allocate memory.\n");
+ exit(-1);
+ }
+
+ This=This->next;
+ This->next = NULL;
+ This->loaded=-1;
+ This->offset=-1; /*There should be a rel file*/
+
+ strcpy( This->filename, str );
+
+ ThisSym = This->symbols = (pmlibrarysymbol)malloc( sizeof(mlibrarysymbol));
+ ThisSym->next = NULL;
+
+ /*
+ * Read in the object file. Look for lines that
+ * begin with "S" and end with "D". These are
+ * symbol table definitions. If we find one, see
+ * if it is our symbol. Make sure we only read in
+ * our object file and don't go into the next one.
+ */
+
+ while (fgets(buf, NINPUT, fp) != NULL)
+ {
+ buf[NINPUT+1] = '\0';
+ buf[strlen(buf) - 1] = '\0';
+
+ /*
+ * Skip everything that's not a symbol record.
+ */
+ if (buf[0] != 'S') continue;
+
+ /*
+ * When a 'T line' is found terminate file scan.
+ * All 'S line's preceed 'T line's in .REL files.
+ */
+ if (buf[0] == 'T') break;
+
+ sscanf(buf, "S %s %c", symname, &c);
+
+ /* If it's an actual symbol, record it */
+ if (c == 'D')
+ {
+ ThisSym->next = (pmlibrarysymbol)malloc(sizeof(mlibrarysymbol));
+ ThisSym=ThisSym->next;
+ if (ThisSym == NULL)
+ {
+ printf("panic: can't allocate memory.\n");
+ exit(-2);
+ }
+ This->loaded=0;
+ ThisSym->next=NULL;
+ This->str = str;
+ strcpy(This->relfil,relfil);
+ strcpy(ThisSym->name, symname);
+ This->libspc = lbnh->libspc;
+ }
+ } /* Closes while - read object file */
+ fclose(fp);
+ } /* Closes if object file opened OK */
+ } /* Ends while - processing all in libr */
+ fclose(libfp);
+ } /* Ends good open of libr file */
+ return 0;
+}
+#else /* INDEXLIB */
+
int
fndsym(name)
char *name;
return(0);
}
+#endif /*INDEXLIB*/
+
void loadfile_SdccLib(char * libspc, char * module, long offset)
{
FILE *fp;
projects / fw / sdcc / blobdiff