void Timer(int action, char * message)
{
- static double start, end, total=0.0;
+ static double start, end, total=0.0;
static const double secs_per_tick = 1.0 / CLOCKS_PER_SEC;
if(action==0) start=clock()*secs_per_tick;
else if(action==1)
{
- end=clock() * secs_per_tick;
- printf("%s \t%f seconds.\n", message, (end-start));
- total+=end-start;
+ end=clock() * secs_per_tick;
+ printf("%s \t%f seconds.\n", message, (end-start));
+ total+=end-start;
}
else
{
- printf("Total time: \t%f seconds.\n", total);
- total=0.0;
+ printf("Total time: \t%f seconds.\n", total);
+ total=0.0;
}
}
#endif
-/*)Module lkmain.c
- *
- * The module lkmain.c contains the functions which
- * (1) input the linker options, parameters, and specifications
- * (2) perform a two pass link
- * (3) produce the appropriate linked data output and/or
- * link map file and/or relocated listing files.
- *
- * lkmain.c contains the following functions:
- * FILE * afile(fn,ft,wf)
- * VOID bassav()
- * VOID gblsav()
- * VOID link_main()
- * VOID lkexit()
- * VOID main(argc,argv)
- * VOID map()
- * int parse()
- * VOID setbas()
- * VOID setgbl()
- * VOID usage()
- *
- * lkmain.c contains the following local variables:
- * char * usetext[] array of pointers to the
- * command option tect lines
+/*)Module lkmain.c
+ *
+ * The module lkmain.c contains the functions which
+ * (1) input the linker options, parameters, and specifications
+ * (2) perform a two pass link
+ * (3) produce the appropriate linked data output and/or
+ * link map file and/or relocated listing files.
+ *
+ * lkmain.c contains the following functions:
+ * FILE * afile(fn,ft,wf)
+ * VOID bassav()
+ * VOID gblsav()
+ * VOID link_main()
+ * VOID lkexit()
+ * VOID main(argc,argv)
+ * VOID map()
+ * int parse()
+ * VOID setbas()
+ * VOID setgbl()
+ * VOID usage()
+ *
+ * lkmain.c contains the following local variables:
+ * char * usetext[] array of pointers to the
+ * command option tect lines
*
*/
-/*JCF: Creates some of the default areas so they are allocated in the right order.*/
+/*JCF: Creates some of the default areas so they are allocated in the right order.*/
void Areas51 (void)
{
- char * rel[]={
- "XH",
- "H 7 areas 0 global symbols",
- "A _CODE size 0 flags 0", /*Each .rel has one, so...*/
- "A REG_BANK_0 size 0 flags 4", /*Register banks are overlayable*/
- "A REG_BANK_1 size 0 flags 4",
- "A REG_BANK_2 size 0 flags 4",
- "A REG_BANK_3 size 0 flags 4",
- "A BSEG size 0 flags 80", /*BSEG must be just before BITS*/
- "A BSEG_BYTES size 0 flags 0", /*Size will be obtained from BSEG in lnkarea()*/
- ""
- };
- int j;
-
- for (j=0; rel[j][0]!=0; j++)
- {
- ip=rel[j];
- link_main();
- }
-
- /*Set the start address of the default areas:*/
- for(ap=areap; ap; ap=ap->a_ap)
- {
- /**/ if (!strcmp(ap->a_id, "REG_BANK_0")) { ap->a_addr=0x00; ap->a_type=1; }
- else if (!strcmp(ap->a_id, "REG_BANK_1")) { ap->a_addr=0x08; ap->a_type=1; }
- else if (!strcmp(ap->a_id, "REG_BANK_2")) { ap->a_addr=0x10; ap->a_type=1; }
- else if (!strcmp(ap->a_id, "REG_BANK_3")) { ap->a_addr=0x18; ap->a_type=1; }
- else if (!strcmp(ap->a_id, "BSEG_BYTES")) { ap->a_addr=0x20; ap->a_type=1; }
- }
+ char * rel[]={
+ "XH",
+ "H 7 areas 0 global symbols",
+ "A _CODE size 0 flags 0", /*Each .rel has one, so...*/
+ "A REG_BANK_0 size 0 flags 4", /*Register banks are overlayable*/
+ "A REG_BANK_1 size 0 flags 4",
+ "A REG_BANK_2 size 0 flags 4",
+ "A REG_BANK_3 size 0 flags 4",
+ "A BSEG size 0 flags 80", /*BSEG must be just before BITS*/
+ "A BSEG_BYTES size 0 flags 0", /*Size will be obtained from BSEG in lnkarea()*/
+ ""
+ };
+ int j;
+
+ for (j=0; rel[j][0]!=0; j++)
+ {
+ ip=rel[j];
+ link_main();
+ }
+
+ /*Set the start address of the default areas:*/
+ for(ap=areap; ap; ap=ap->a_ap)
+ {
+ /**/ if (!strcmp(ap->a_id, "REG_BANK_0")) { ap->a_addr=0x00; ap->a_type=1; }
+ else if (!strcmp(ap->a_id, "REG_BANK_1")) { ap->a_addr=0x08; ap->a_type=1; }
+ else if (!strcmp(ap->a_id, "REG_BANK_2")) { ap->a_addr=0x10; ap->a_type=1; }
+ else if (!strcmp(ap->a_id, "REG_BANK_3")) { ap->a_addr=0x18; ap->a_type=1; }
+ else if (!strcmp(ap->a_id, "BSEG_BYTES")) { ap->a_addr=0x20; ap->a_type=1; }
+ }
}
-/*)Function VOID main(argc,argv)
- *
- * int argc number of command line arguments + 1
- * char * argv[] array of pointers to the command line
- * arguments
- *
- * The function main() evaluates the command line arguments to
- * determine if the linker parameters are to input through 'stdin'
- * or read from a command file. The functions lk_getline() and parse()
- * are to input and evaluate the linker parameters. The linking process
- * proceeds by making the first pass through each .rel file in the order
- * presented to the linker. At the end of the first pass the setbase(),
- * lnkarea(), setgbl(), and symdef() functions are called to evaluate
- * the base address terms, link all areas, define global variables,
- * and look for undefined symbols. Following these routines a linker
- * map file may be produced and the linker output files may be opened.
- * The second pass through the .rel files will output the linked data
- * in one of the four supported formats.
- *
- * local variables:
- * char * p pointer to an argument string
- * int c character from argument string
- * int i loop counter
- *
- * global variables:
- * text line in ib[]
- * lfile *cfp The pointer *cfp points to the
- * current lfile structure
- * char ctype[] array of character types, one per
- * ASCII character
- * lfile *filep The pointer *filep points to the
- * beginning of a linked list of
- * lfile structures.
- * head *hp Pointer to the current
- * head structure
- * char ib[NINPUT] .rel file text line
- * char *ip pointer into the .rel file
- * lfile *linkp pointer to first lfile structure
- * containing an input .rel file
- * specification
- * int lkerr error flag
- * int mflag Map output flag
- * int oflag Output file type flag
- * FILE *ofp Output file handle
- * for word formats
- * FILE *ofph Output file handle
- * for high byte format
- * FILE *ofpl Output file handle
- * for low byte format
- * int pass linker pass number
- * int pflag print linker command file flag
- * int radix current number conversion radix
- * FILE *sfp The file handle sfp points to the
- * currently open file
- * lfile *startp asmlnk startup file structure
- * FILE * stdin c_library
- * FILE * stdout c_library
- *
- * functions called:
- * FILE * afile() lkmain.c
- * int fclose() c_library
- * int fprintf() c_library
- * int lk_getline() lklex.c
- * VOID library() lklibr.c
- * VOID link_main() lkmain.c
- * VOID lkexit() lkmain.c
- * VOID lnkarea() lkarea.c
- * VOID map() lkmain.c
- * VOID new() lksym.c
- * int parse() lkmain.c
- * VOID reloc() lkreloc.c
- * VOID search() lklibr.c
- * VOID setbas() lkmain.c
- * VOID setgbl() lkmain.c
- * VOID symdef() lksym.c
- * VOID usage() lkmain.c
- *
- * side effects:
- * Completion of main() completes the linking process
- * and may produce a map file (.map) and/or a linked
- * data files (.ihx or .s19) and/or one or more
- * relocated listing files (.rst).
+/*)Function VOID main(argc,argv)
+ *
+ * int argc number of command line arguments + 1
+ * char * argv[] array of pointers to the command line
+ * arguments
+ *
+ * The function main() evaluates the command line arguments to
+ * determine if the linker parameters are to input through 'stdin'
+ * or read from a command file. The functions lk_getline() and parse()
+ * are to input and evaluate the linker parameters. The linking process
+ * proceeds by making the first pass through each .rel file in the order
+ * presented to the linker. At the end of the first pass the setbase(),
+ * lnkarea(), setgbl(), and symdef() functions are called to evaluate
+ * the base address terms, link all areas, define global variables,
+ * and look for undefined symbols. Following these routines a linker
+ * map file may be produced and the linker output files may be opened.
+ * The second pass through the .rel files will output the linked data
+ * in one of the four supported formats.
+ *
+ * local variables:
+ * char * p pointer to an argument string
+ * int c character from argument string
+ * int i loop counter
+ *
+ * global variables:
+ * text line in ib[]
+ * lfile *cfp The pointer *cfp points to the
+ * current lfile structure
+ * char ctype[] array of character types, one per
+ * ASCII character
+ * lfile *filep The pointer *filep points to the
+ * beginning of a linked list of
+ * lfile structures.
+ * head *hp Pointer to the current
+ * head structure
+ * char ib[NINPUT] .rel file text line
+ * char *ip pointer into the .rel file
+ * lfile *linkp pointer to first lfile structure
+ * containing an input .rel file
+ * specification
+ * int lkerr error flag
+ * int mflag Map output flag
+ * int oflag Output file type flag
+ * FILE *ofp Output file handle
+ * for word formats
+ * FILE *ofph Output file handle
+ * for high byte format
+ * FILE *ofpl Output file handle
+ * for low byte format
+ * int pass linker pass number
+ * int pflag print linker command file flag
+ * int radix current number conversion radix
+ * FILE *sfp The file handle sfp points to the
+ * currently open file
+ * lfile *startp asmlnk startup file structure
+ * FILE * stdin c_library
+ * FILE * stdout c_library
+ *
+ * functions called:
+ * FILE * afile() lkmain.c
+ * int fclose() c_library
+ * int fprintf() c_library
+ * int lk_getline() lklex.c
+ * VOID library() lklibr.c
+ * VOID link_main() lkmain.c
+ * VOID lkexit() lkmain.c
+ * VOID lnkarea() lkarea.c
+ * VOID map() lkmain.c
+ * VOID new() lksym.c
+ * int parse() lkmain.c
+ * VOID reloc() lkreloc.c
+ * VOID search() lklibr.c
+ * VOID setbas() lkmain.c
+ * VOID setgbl() lkmain.c
+ * VOID symdef() lksym.c
+ * VOID usage() lkmain.c
+ *
+ * side effects:
+ * Completion of main() completes the linking process
+ * and may produce a map file (.map) and/or a linked
+ * data files (.ihx or .s19) and/or one or more
+ * relocated listing files (.rst).
*/
int
main(int argc, char *argv[])
{
- register char *p;
- register int c, i;
+ register char *p;
+ register int c, i;
#ifdef WIN32T
Timer(0, "");
#endif
- startp = (struct lfile *) new (sizeof (struct lfile));
-
- pflag = 1;
- for (i=1; i<argc; ++i) {
- p = argv[i];
- if (*p == '-') {
- while (ctype[c = *(++p)] & LETTER) {
- switch(c) {
-
- case 'c':
- case 'C':
- startp->f_type = F_STD;
- break;
-
- case 'f':
- case 'F':
- startp->f_type = F_LNK;
- break;
-
- case 'n':
- case 'N':
- pflag = 0;
- break;
-
- case 'p':
- case 'P':
- pflag = 1;
- break;
-
- default:
- usage();
- }
- }
- } else {
- if (startp->f_type == F_LNK) {
- startp->f_idp = p;
- }
- }
- }
+ startp = (struct lfile *) new (sizeof (struct lfile));
+
+ pflag = 1;
+
for (i=1; i<argc; ++i) {
+ p = argv[i];
+ if (*p == '-') {
+ while (ctype[c = *(++p)] & LETTER) {
+ switch(c) {
+
+ case 'c':
+ case 'C':
+ startp->f_type = F_STD;
+ break;
+
+ case 'f':
+ case 'F':
+ startp->f_type = F_LNK;
+ break;
+
+ case 'n':
+ case 'N':
+ pflag = 0;
+ break;
+
+ case 'p':
+ case 'P':
+ pflag = 1;
+ break;
+
+ default:
+ usage();
+ }
+ }
+ } else {
+ if (startp->f_type == F_LNK) {
+ startp->f_idp = p;
+ }
+ }
+ }
if (startp->f_type == 0)
- usage();
- if (startp->f_type == F_LNK && startp->f_idp == NULL)
- usage();
-
- cfp = NULL;
- sfp = NULL;
- filep = startp;
- while (1) {
- ip = ib;
- if (lk_getline() == 0)
- break;
- if (pflag && sfp != stdin)
- fprintf(stdout, "%s\n", ip);
+ usage();
+ if (startp->f_type == F_LNK && startp->f_idp == NULL)
+ usage();
+
+ cfp = NULL;
+ sfp = NULL;
+ filep = startp;
+ while (1) {
+ ip = ib;
+ if (lk_getline() == 0)
+ break;
+ if (pflag && sfp != stdin)
+ fprintf(stdout, "%s\n", ip);
if (*ip == '\0' || parse())
- break;
- }
+ break;
+ }
- if (sfp) {
- fclose(sfp);
- sfp = NULL;
- }
+ if (sfp) {
+ fclose(sfp);
+ sfp = NULL;
+ }
- if (linkp == NULL)
- usage();
+ if (linkp == NULL)
+ usage();
- syminit();
+ syminit();
- if (dflag){
- //dfp = afile("temp", "cdb", 1);
- SaveLinkedFilePath(linkp->f_idp); //Must be the first one...
- dfp = afile(linkp->f_idp,"cdb",1); //JCF: Nov 30, 2002
- if (dfp == NULL)
- lkexit(1);
- }
+ if (dflag){
+ //dfp = afile("temp", "cdb", 1);
+ SaveLinkedFilePath(linkp->f_idp); //Must be the first one...
+ dfp = afile(linkp->f_idp,"cdb",1); //JCF: Nov 30, 2002
+ if (dfp == NULL)
+ lkexit(1);
+ }
- for (pass=0; pass<2; ++pass) {
- cfp = NULL;
- sfp = NULL;
- filep = linkp;
- hp = NULL;
- radix = 10;
+ for (pass=0; pass<2; ++pass) {
+ cfp = NULL;
+ sfp = NULL;
+ filep = linkp;
+ hp = NULL;
+ radix = 10;
- Areas51(); /*JCF: Create the default 8051 areas in the right order*/
+ Areas51(); /*JCF: Create the default 8051 areas in the right order*/
- while (lk_getline()) {
- ip = ib;
+ while (lk_getline()) {
+ ip = ib;
/* pass any "magic comments" to NoICE output */
if ((ip[0] == ';') && (ip[1] == '!') && jfp) {
- fprintf( jfp, "%s\n", &ip[2] );
+ fprintf( jfp, "%s\n", &ip[2] );
}
- link_main();
- }
- if (pass == 0) {
- /*
- * Search libraries for global symbols
- */
- search();
- /*
- * Set area base addresses.
- */
- setbas();
- /*
- * Link all area addresses.
- */
- lnkarea();
- /*
- * Process global definitions.
- */
- setgbl();
- /*
- * Check for undefined globals.
- */
- symdef(stderr);
-
- /* Open NoICE output file if requested */
- if (jflag) {
- jfp = afile(linkp->f_idp, "NOI", 1);
- if (jfp == NULL) {
- lkexit(1);
- }
- }
-
- /*
- * Output Link Map if requested,
- * or if NoICE output requested (since NoICE
+ link_main();
+ }
+ if (pass == 0) {
+ /*
+ * Search libraries for global symbols
+ */
+ search();
+ /*
+ * Set area base addresses.
+ */
+ setbas();
+ /*
+ * Link all area addresses.
+ */
+ lnkarea();
+ /*
+ * Process global definitions.
+ */
+ setgbl();
+ /*
+ * Check for undefined globals.
+ */
+ symdef(stderr);
+
+ /* Open NoICE output file if requested */
+ if (jflag) {
+ jfp = afile(linkp->f_idp, "NOI", 1);
+ if (jfp == NULL) {
+ lkexit(1);
+ }
+ }
+
+ /*
+ * Output Link Map if requested,
+ * or if NoICE output requested (since NoICE
* file is generated in part by map() processing)
- */
- if (mflag || jflag)
- map();
-
- if (sflag) /*JCF: memory usage summary output*/
- if(summary(areap))lkexit(1);
-
- if (iram_size)
- iramcheck();
-
- /*
- * Open output file
- */
- if (oflag == 1) {
- ofp = afile(linkp->f_idp, "ihx", 1);
- if (ofp == NULL) {
- lkexit(1);
- }
- /* include NoICE command to load hex file */
- if (jfp) fprintf( jfp, "LOAD %s.IHX\n", linkp->f_idp );
-
- } else
- if (oflag == 2) {
- ofp = afile(linkp->f_idp, "S19", 1);
- if (ofp == NULL) {
- lkexit(1);
- }
- /* include NoICE command to load hex file */
- if (jfp) fprintf( jfp, "LOAD %s.S19\n", linkp->f_idp );
- } else
- if (oflag == 3) {
- ofp = afile(linkp->f_idp, "elf", 4);
- if (ofp == NULL) {
- lkexit(1);
- }
- }
- } else {
- /*
- * Link in library files
- */
- library();
- reloc('E');
- }
- }
- //JCF:
- //CreateAOMF51();
+ */
+ if (mflag || jflag)
+ map();
+
+ if (sflag) /*JCF: memory usage summary output*/
+ if(summary(areap))lkexit(1);
+
+ if (iram_size)
+ iramcheck();
+
+ /*
+ * Open output file
+ */
+ if (oflag == 1) {
+ ofp = afile(linkp->f_idp, "ihx", 1);
+ if (ofp == NULL) {
+ lkexit(1);
+ }
+ /* include NoICE command to load hex file */
+ if (jfp) fprintf( jfp, "LOAD %s.IHX\n", linkp->f_idp );
+
+ } else
+ if (oflag == 2) {
+ ofp = afile(linkp->f_idp, "S19", 1);
+ if (ofp == NULL) {
+ lkexit(1);
+ }
+ /* include NoICE command to load hex file */
+ if (jfp) fprintf( jfp, "LOAD %s.S19\n", linkp->f_idp );
+ } else
+ if (oflag == 3) {
+ ofp = afile(linkp->f_idp, "elf", 4);
+ if (ofp == NULL) {
+ lkexit(1);
+ }
+ }
+ } else {
+ /*
+ * Link in library files
+ */
+ library();
+ reloc('E');
+ }
+ }
+ //JCF:
+ //CreateAOMF51();
#ifdef WIN32T
Timer(1, "Linker execution time");
#endif
- lkexit(lkerr);
- return 0;
+ lkexit(lkerr);
+ return 0;
}
-/*)Function VOID lkexit(i)
+/*)Function VOID lkexit(i)
*
- * int i exit code
+ * int i exit code
*
- * The function lkexit() explicitly closes all open
- * files and then terminates the program.
+ * The function lkexit() explicitly closes all open
+ * files and then terminates the program.
*
- * local variables:
- * none
+ * local variables:
+ * none
*
- * global variables:
- * FILE * mfp file handle for .map
- * FILE * ofp file handle for .ihx/.s19
- * FILE * rfp file hanlde for .rst
- * FILE * sfp file handle for .rel
- * FILE * tfp file handle for .lst
+ * global variables:
+ * FILE * mfp file handle for .map
+ * FILE * ofp file handle for .ihx/.s19
+ * FILE * rfp file hanlde for .rst
+ * FILE * sfp file handle for .rel
+ * FILE * tfp file handle for .lst
*
- * functions called:
- * int fclose() c_library
- * VOID exit() c_library
+ * functions called:
+ * int fclose() c_library
+ * VOID exit() c_library
*
- * side effects:
- * All files closed. Program terminates.
+ * side effects:
+ * All files closed. Program terminates.
*/
VOID
lkexit(int i)
{
- if (mfp != NULL) fclose(mfp);
- if (jfp != NULL) fclose(jfp);
- if (ofp != NULL) fclose(ofp);
- if (rfp != NULL) fclose(rfp);
- if (sfp != NULL) fclose(sfp);
- if (tfp != NULL) fclose(tfp);
- if (dfp != NULL) fclose(dfp);
- /*if (dfp != NULL)
- FILE *xfp = afile(linkp->f_idp,"cdb",1);
- dfp = freopen("temp.cdb","r",dfp);
- copyfile(xfp,dfp);
- fclose(xfp);
- fclose(dfp);
- remove("temp.cdb");
- }*/
- exit(i);
+ if (mfp != NULL) fclose(mfp);
+ if (jfp != NULL) fclose(jfp);
+ if (ofp != NULL) fclose(ofp);
+ if (rfp != NULL) fclose(rfp);
+ if (sfp != NULL) fclose(sfp);
+ if (tfp != NULL) fclose(tfp);
+ if (dfp != NULL) fclose(dfp);
+ /*if (dfp != NULL)
+ FILE *xfp = afile(linkp->f_idp,"cdb",1);
+ dfp = freopen("temp.cdb","r",dfp);
+ copyfile(xfp,dfp);
+ fclose(xfp);
+ fclose(dfp);
+ remove("temp.cdb");
+ }*/
+ exit(i);
}
-/*)Function link_main()
- *
- * The function link_main() evaluates the directives for each line of
- * text read from the .rel file(s). The valid directives processed
- * are:
- * X, D, Q, H, M, A, S, T, R, and P.
- *
- * local variables:
- * int c first non blank character of a line
- *
- * global variables:
- * head *headp The pointer to the first
- * head structure of a linked list
- * head *hp Pointer to the current
- * head structure
- * int pass linker pass number
- * int radix current number conversion radix
- *
- * functions called:
- * char endline() lklex.c
- * VOID module() lkhead.c
- * VOID newarea() lkarea.c
- * VOID newhead() lkhead.c
- * sym * newsym() lksym.c
- * VOID reloc() lkreloc.c
- *
- * side effects:
- * Head, area, and symbol structures are created and
- * the radix is set as the .rel file(s) are read.
+/*)Function link_main()
+ *
+ * The function link_main() evaluates the directives for each line of
+ * text read from the .rel file(s). The valid directives processed
+ * are:
+ * X, D, Q, H, M, A, S, T, R, and P.
+ *
+ * local variables:
+ * int c first non blank character of a line
+ *
+ * global variables:
+ * head *headp The pointer to the first
+ * head structure of a linked list
+ * head *hp Pointer to the current
+ * head structure
+ * int pass linker pass number
+ * int radix current number conversion radix
+ *
+ * functions called:
+ * char endline() lklex.c
+ * VOID module() lkhead.c
+ * VOID newarea() lkarea.c
+ * VOID newhead() lkhead.c
+ * sym * newsym() lksym.c
+ * VOID reloc() lkreloc.c
+ *
+ * side effects:
+ * Head, area, and symbol structures are created and
+ * the radix is set as the .rel file(s) are read.
*/
VOID
link_main()
{
- register char c;
+ register char c;
- if ((c=endline()) == 0) { return; }
- switch (c) {
+ if ((c=endline()) == 0) { return; }
+ switch (c) {
case 'O': /*For some important sdcc options*/
if (pass == 0)
{
if(strcmp(sdccopt, &ip[1])!=0)
{
- fprintf(stderr,
- "?ASlink-Warning-Conflicting sdcc options:\n"
+ fprintf(stderr,
+ "?ASlink-Warning-Conflicting sdcc options:\n"
" \"%s\" in module \"%s\" and\n"
" \"%s\" in module \"%s\".\n",
sdccopt, sdccopt_module, &ip[1], curr_module);
- lkerr++;
+ lkerr++;
}
}
}
- break;
-
- case 'X':
- radix = 16;
- break;
-
- case 'D':
- radix = 10;
- break;
-
- case 'Q':
- radix = 8;
- break;
-
- case 'H':
- if (pass == 0) {
- newhead();
- } else {
- if (hp == 0) {
- hp = headp;
- } else {
- hp = hp->h_hp;
- }
- }
- sdp.s_area = NULL;
- sdp.s_areax = NULL;
- sdp.s_addr = 0;
- break;
-
- case 'M':
- if (pass == 0)
+ break;
+
+ case 'X':
+ radix = 16;
+ break;
+
+ case 'D':
+ radix = 10;
+ break;
+
+ case 'Q':
+ radix = 8;
+ break;
+
+ case 'H':
+ if (pass == 0) {
+ newhead();
+ } else {
+ if (hp == 0) {
+ hp = headp;
+ } else {
+ hp = hp->h_hp;
+ }
+ }
+ sdp.s_area = NULL;
+ sdp.s_areax = NULL;
+ sdp.s_addr = 0;
+ break;
+
+ case 'M':
+ if (pass == 0)
{
strcpy(curr_module, &ip[1]);
- module();
+ module();
+ }
+ break;
+
+ case 'A':
+ if (pass == 0)
+ newarea();
+ if (sdp.s_area == NULL) {
+ sdp.s_area = areap;
+ sdp.s_areax = areap->a_axp;
+ sdp.s_addr = 0;
+ }
+ break;
+
+ case 'S':
+ if (pass == 0)
+ newsym();
+ break;
+
+ case 'T':
+ case 'R':
+ case 'P':
+ if (pass == 0)
+ break;
+ reloc(c);
+ break;
+
+ default:
+ break;
+ }
+ if (c == 'X' || c == 'D' || c == 'Q') {
+ if ((c = get()) == 'H') {
+ hilo = 1;
+ } else
+ if (c == 'L') {
+ hilo = 0;
+ }
}
- break;
-
- case 'A':
- if (pass == 0)
- newarea();
- if (sdp.s_area == NULL) {
- sdp.s_area = areap;
- sdp.s_areax = areap->a_axp;
- sdp.s_addr = 0;
- }
- break;
-
- case 'S':
- if (pass == 0)
- newsym();
- break;
-
- case 'T':
- case 'R':
- case 'P':
- if (pass == 0)
- break;
- reloc(c);
- break;
-
- default:
- break;
- }
- if (c == 'X' || c == 'D' || c == 'Q') {
- if ((c = get()) == 'H') {
- hilo = 1;
- } else
- if (c == 'L') {
- hilo = 0;
- }
- }
}
-/*)Function VOID map()
- *
- * The function map() opens the output map file and calls the various
- * routines to
- * (1) output the variables in each area,
- * (2) list the files processed with module names,
- * (3) list the libraries file processed,
- * (4) list base address definitions,
- * (5) list global variable definitions, and
- * (6) list any undefined variables.
- *
- * local variables:
- * int i counter
- * head * hdp pointer to head structure
- * lbfile *lbfh pointer to library file structure
- *
- * global variables:
- * area *ap Pointer to the current
- * area structure
- * area *areap The pointer to the first
- * area structure of a linked list
- * base *basep The pointer to the first
- * base structure
- * base *bsp Pointer to the current
- * base structure
- * lfile *filep The pointer *filep points to the
- * beginning of a linked list of
- * lfile structures.
- * globl *globlp The pointer to the first
- * globl structure
- * globl *gsp Pointer to the current
- * globl structure
- * head *headp The pointer to the first
- * head structure of a linked list
- * lbfile *lbfhead The pointer to the first
- * lbfile structure of a linked list
- * lfile *linkp pointer to first lfile structure
- * containing an input REL file
- * specification
- * int lop current line number on page
- * FILE *mfp Map output file handle
- * int page current page number
- *
- * functions called:
- * FILE * afile() lkmain.c
- * int fprintf() c_library
- * VOID lkexit() lkmain.c
- * VOID lstarea() lklist.c
- * VOID newpag() lklist.c
- * VOID symdef() lksym.c
- *
- * side effects:
- * The map file is created.
+/*)Function VOID map()
+ *
+ * The function map() opens the output map file and calls the various
+ * routines to
+ * (1) output the variables in each area,
+ * (2) list the files processed with module names,
+ * (3) list the libraries file processed,
+ * (4) list base address definitions,
+ * (5) list global variable definitions, and
+ * (6) list any undefined variables.
+ *
+ * local variables:
+ * int i counter
+ * head * hdp pointer to head structure
+ * lbfile *lbfh pointer to library file structure
+ *
+ * global variables:
+ * area *ap Pointer to the current
+ * area structure
+ * area *areap The pointer to the first
+ * area structure of a linked list
+ * base *basep The pointer to the first
+ * base structure
+ * base *bsp Pointer to the current
+ * base structure
+ * lfile *filep The pointer *filep points to the
+ * beginning of a linked list of
+ * lfile structures.
+ * globl *globlp The pointer to the first
+ * globl structure
+ * globl *gsp Pointer to the current
+ * globl structure
+ * head *headp The pointer to the first
+ * head structure of a linked list
+ * lbfile *lbfhead The pointer to the first
+ * lbfile structure of a linked list
+ * lfile *linkp pointer to first lfile structure
+ * containing an input REL file
+ * specification
+ * int lop current line number on page
+ * FILE *mfp Map output file handle
+ * int page current page number
+ *
+ * functions called:
+ * FILE * afile() lkmain.c
+ * int fprintf() c_library
+ * VOID lkexit() lkmain.c
+ * VOID lstarea() lklist.c
+ * VOID newpag() lklist.c
+ * VOID symdef() lksym.c
+ *
+ * side effects:
+ * The map file is created.
*/
VOID
map()
{
- register int i;
- register struct head *hdp;
- register struct lbfile *lbfh;
-
- /*
- * Open Map File
- */
- mfp = afile(linkp->f_idp, "map", 1);
- if (mfp == NULL) {
- lkexit(1);
- }
-
- /*
- * Output Map Area Lists
- */
- page = 0;
- lop = NLPP;
- ap = areap;
- while (ap) {
- lstarea(ap);
- ap = ap->a_ap;
- }
- /*
- * List Linked Files
- */
- newpag(mfp);
- fprintf(mfp, "\nFiles Linked [ module(s) ]\n\n");
- hdp = headp;
- filep = linkp;
- while (filep) {
- fprintf(mfp, "%-16s", filep->f_idp);
- i = 0;
- while ((hdp != NULL) && (hdp->h_lfile == filep)) {
- if (i % 5) {
- fprintf(mfp, ", %8.8s", hdp->m_id);
- } else {
- if (i) {
- fprintf(mfp, ",\n%20s%8.8s", "", hdp->m_id);
- } else {
- fprintf(mfp, " [ %8.8s", hdp->m_id);
- }
- }
- hdp = hdp->h_hp;
- i++;
- }
- if (i)
- fprintf(mfp, " ]");
- fprintf(mfp, "\n");
- filep = filep->f_flp;
- }
- /*
- * List Linked Libraries
- */
- if (lbfhead != NULL) {
- fprintf(mfp,
- "\nLibraries Linked [ object file ]\n\n");
- for (lbfh=lbfhead; lbfh; lbfh=lbfh->next) {
- fprintf(mfp, "%-32s [ %16.16s ]\n",
- lbfh->libspc, lbfh->relfil);
- }
- fprintf(mfp, "\n");
- }
- /*
- * List Base Address Definitions
- */
- if (basep) {
- newpag(mfp);
- fprintf(mfp, "\nUser Base Address Definitions\n\n");
- bsp = basep;
- while (bsp) {
- fprintf(mfp, "%s\n", bsp->b_strp);
- bsp = bsp->b_base;
- }
- }
- /*
- * List Global Definitions
- */
- if (globlp) {
- newpag(mfp);
- fprintf(mfp, "\nUser Global Definitions\n\n");
- gsp = globlp;
- while (gsp) {
- fprintf(mfp, "%s\n", gsp->g_strp);
- gsp = gsp->g_globl;
- }
- }
- fprintf(mfp, "\n\f");
- symdef(mfp);
+ register int i;
+ register struct head *hdp;
+ register struct lbfile *lbfh;
+
+ /*
+ * Open Map File
+ */
+ mfp = afile(linkp->f_idp, "map", 1);
+ if (mfp == NULL) {
+ lkexit(1);
+ }
+
+ /*
+ * Output Map Area Lists
+ */
+ page = 0;
+ lop = NLPP;
+ ap = areap;
+ while (ap) {
+ lstarea(ap);
+ ap = ap->a_ap;
+ }
+ /*
+ * List Linked Files
+ */
+ newpag(mfp);
+ fprintf(mfp, "\nFiles Linked [ module(s) ]\n\n");
+ hdp = headp;
+ filep = linkp;
+ while (filep) {
+ fprintf(mfp, "%-16s", filep->f_idp);
+ i = 0;
+ while ((hdp != NULL) && (hdp->h_lfile == filep)) {
+ if (i % 5) {
+ fprintf(mfp, ", %8.8s", hdp->m_id);
+ } else {
+ if (i) {
+ fprintf(mfp, ",\n%20s%8.8s", "", hdp->m_id);
+ } else {
+ fprintf(mfp, " [ %8.8s", hdp->m_id);
+ }
+ }
+ hdp = hdp->h_hp;
+ i++;
+ }
+ if (i)
+ fprintf(mfp, " ]");
+ fprintf(mfp, "\n");
+ filep = filep->f_flp;
+ }
+ /*
+ * List Linked Libraries
+ */
+ if (lbfhead != NULL) {
+ fprintf(mfp,
+ "\nLibraries Linked [ object file ]\n\n");
+ for (lbfh=lbfhead; lbfh; lbfh=lbfh->next) {
+ fprintf(mfp, "%-32s [ %16.16s ]\n",
+ lbfh->libspc, lbfh->relfil);
+ }
+ fprintf(mfp, "\n");
+ }
+ /*
+ * List Base Address Definitions
+ */
+ if (basep) {
+ newpag(mfp);
+ fprintf(mfp, "\nUser Base Address Definitions\n\n");
+ bsp = basep;
+ while (bsp) {
+ fprintf(mfp, "%s\n", bsp->b_strp);
+ bsp = bsp->b_base;
+ }
+ }
+ /*
+ * List Global Definitions
+ */
+ if (globlp) {
+ newpag(mfp);
+ fprintf(mfp, "\nUser Global Definitions\n\n");
+ gsp = globlp;
+ while (gsp) {
+ fprintf(mfp, "%s\n", gsp->g_strp);
+ gsp = gsp->g_globl;
+ }
+ }
+ fprintf(mfp, "\n\f");
+ symdef(mfp);
}
-/*)Function int parse()
- *
- * The function parse() evaluates all command line or file input
- * linker directives and updates the appropriate variables.
- *
- * local variables:
- * int c character value
- * char fid[] file id string
- *
- * global variables:
- * char ctype[] array of character types, one per
- * ASCII character
- * lfile *lfp pointer to current lfile structure
- * being processed by parse()
- * lfile *linkp pointer to first lfile structure
- * containing an input REL file
- * specification
- * int mflag Map output flag
- * int oflag Output file type flag
- * int pflag print linker command file flag
- * FILE * stderr c_library
- * int uflag Relocated listing flag
- * int xflag Map file radix type flag
- *
- * Functions called:
- * VOID addlib() lklibr.c
- * VOID addpath() lklibr.c
- * VOID bassav() lkmain.c
- * int fprintf() c_library
- * VOID gblsav() lkmain.c
- * VOID getfid() lklex.c
- * char getnb() lklex.c
- * VOID lkexit() lkmain.c
- * char * strcpy() c_library
- * int strlen() c_library
- *
- * side effects:
- * Various linker flags are updated and the linked
- * structure lfile is created.
+/*)Function int parse()
+ *
+ * The function parse() evaluates all command line or file input
+ * linker directives and updates the appropriate variables.
+ *
+ * local variables:
+ * int c character value
+ * char fid[] file id string
+ *
+ * global variables:
+ * char ctype[] array of character types, one per
+ * ASCII character
+ * lfile *lfp pointer to current lfile structure
+ * being processed by parse()
+ * lfile *linkp pointer to first lfile structure
+ * containing an input REL file
+ * specification
+ * int mflag Map output flag
+ * int oflag Output file type flag
+ * int pflag print linker command file flag
+ * FILE * stderr c_library
+ * int uflag Relocated listing flag
+ * int xflag Map file radix type flag
+ *
+ * Functions called:
+ * VOID addlib() lklibr.c
+ * VOID addpath() lklibr.c
+ * VOID bassav() lkmain.c
+ * int fprintf() c_library
+ * VOID gblsav() lkmain.c
+ * VOID getfid() lklex.c
+ * char getnb() lklex.c
+ * VOID lkexit() lkmain.c
+ * char * strcpy() c_library
+ * int strlen() c_library
+ *
+ * side effects:
+ * Various linker flags are updated and the linked
+ * structure lfile is created.
*/
int
parse()
{
- register int c;
- char fid[NINPUT];
-
- while ((c = getnb()) != 0) {
- if ( c == ';')
- return(0);
- if ( c == '-') {
- while (ctype[c=get()] & LETTER) {
- switch(c) {
-
- case 'i':
- case 'I':
- oflag = 1;
- break;
-
- case 's':
- case 'S':
- oflag = 2;
- break;
-
- case 't':
- case 'T':
- oflag = 3;
- break;
-
- case 'm':
- case 'M':
- ++mflag;
- break;
-
- case 'y': /*JCF: memory usage summary output*/
- case 'Y':
- ++sflag;
- break;
-
- case 'j':
- case 'J':
- jflag = 1;
- break;
-
- case 'u':
- case 'U':
- uflag = 1;
- break;
- case 'r':
- case 'R':
- rflag = 1;
- break;
- case 'x':
- case 'X':
- xflag = 0;
- break;
-
- case 'q':
- case 'Q':
- xflag = 1;
- break;
-
- case 'd':
- case 'D':
- xflag = 2;
- break;
-
- case 'e':
- case 'E':
- return(1);
-
- case 'n':
- case 'N':
- pflag = 0;
- break;
-
- case 'p':
- case 'P':
- pflag = 1;
- break;
-
- case 'b':
- case 'B':
- bassav();
- return(0);
-
- case 'g':
- case 'G':
- gblsav();
- return(0);
-
- case 'k':
- case 'K':
- addpath();
- return(0);
-
- case 'l':
- case 'L':
- addlib();
- return(0);
-
- case 'a':
- case 'A':
- iramsav();
- return(0);
-
- case 'v':
- case 'V':
- xramsav();
- return(0);
-
- case 'w':
- case 'W':
- codesav();
- return(0);
-
- case 'z':
+ register int c;
+ char fid[NINPUT];
+
+ while ((c = getnb()) != 0) {
+ if ( c == ';')
+ return(0);
+ if ( c == '-') {
+ while (ctype[c=get()] & LETTER) {
+ switch(c) {
+
+ case 'i':
+ case 'I':
+ oflag = 1;
+ break;
+
+ case 's':
+ case 'S':
+ oflag = 2;
+ break;
+
+ case 't':
+ case 'T':
+ oflag = 3;
+ break;
+
+ case 'm':
+ case 'M':
+ ++mflag;
+ break;
+
+ case 'y': /*JCF: memory usage summary output*/
+ case 'Y':
+ ++sflag;
+ break;
+
+ case 'j':
+ case 'J':
+ jflag = 1;
+ break;
+
+ case 'u':
+ case 'U':
+ uflag = 1;
+ break;
+ case 'r':
+ case 'R':
+ rflag = 1;
+ break;
+ case 'x':
+ case 'X':
+ xflag = 0;
+ break;
+
+ case 'q':
+ case 'Q':
+ xflag = 1;
+ break;
+
+ case 'd':
+ case 'D':
+ xflag = 2;
+ break;
+
+ case 'e':
+ case 'E':
+ return(1);
+
+ case 'n':
+ case 'N':
+ pflag = 0;
+ break;
+
+ case 'p':
+ case 'P':
+ pflag = 1;
+ break;
+
+ case 'b':
+ case 'B':
+ bassav();
+ return(0);
+
+ case 'g':
+ case 'G':
+ gblsav();
+ return(0);
+
+ case 'k':
+ case 'K':
+ addpath();
+ return(0);
+
+ case 'l':
+ case 'L':
+ addlib();
+ return(0);
+
+ case 'a':
+ case 'A':
+ iramsav();
+ return(0);
+
+ case 'v':
+ case 'V':
+ xramsav();
+ return(0);
+
+ case 'w':
+ case 'W':
+ codesav();
+ return(0);
+
+ case 'z':
case 'Z':
- dflag = 1;
- return(0);
- default:
- fprintf(stderr, "Invalid option\n");
- lkexit(1);
- }
- }
- if ( c == ';')
- return(0);
- } else
+ dflag = 1;
+ return(0);
+ default:
+ fprintf(stderr, "Invalid option\n");
+ lkexit(1);
+ }
+ }
+ if ( c == ';')
+ return(0);
+ } else
if (ctype[c] & ILL) {
fprintf(stderr, "Invalid input");
lkexit(1);
} else {
- if (linkp == NULL) {
- linkp = (struct lfile *)
- new (sizeof (struct lfile));
- lfp = linkp;
- } else {
- lfp->f_flp = (struct lfile *)
- new (sizeof (struct lfile));
- lfp = lfp->f_flp;
- }
- getfid(fid, c);
- lfp->f_idp = (char *) new (strlen(fid)+1);
- strcpy(lfp->f_idp, fid);
- lfp->f_type = F_REL;
- }
- }
- return(0);
+ if (linkp == NULL) {
+ linkp = (struct lfile *)
+ new (sizeof (struct lfile));
+ lfp = linkp;
+ } else {
+ lfp->f_flp = (struct lfile *)
+ new (sizeof (struct lfile));
+ lfp = lfp->f_flp;
+ }
+ getfid(fid, c);
+ lfp->f_idp = (char *) new (strlen(fid)+1);
+ strcpy(lfp->f_idp, fid);
+ lfp->f_type = F_REL;
+ }
+ }
+ return(0);
}
-/*)Function VOID bassav()
+/*)Function VOID bassav()
*
- * The function bassav() creates a linked structure containing
- * the base address strings input to the linker.
+ * The function bassav() creates a linked structure containing
+ * the base address strings input to the linker.
*
- * local variables:
- * none
+ * local variables:
+ * none
*
- * global variables:
- * base *basep The pointer to the first
- * base structure
- * base *bsp Pointer to the current
- * base structure
- * char *ip pointer into the REL file
- * text line in ib[]
+ * global variables:
+ * base *basep The pointer to the first
+ * base structure
+ * base *bsp Pointer to the current
+ * base structure
+ * char *ip pointer into the REL file
+ * text line in ib[]
*
- * functions called:
- * char getnb() lklex.c
- * VOID * new() lksym.c
- * int strlen() c_library
- * char * strcpy() c_library
- * VOID unget() lklex.c
+ * functions called:
+ * char getnb() lklex.c
+ * VOID * new() lksym.c
+ * int strlen() c_library
+ * char * strcpy() c_library
+ * VOID unget() lklex.c
*
- * side effects:
- * The basep structure is created.
+ * side effects:
+ * The basep structure is created.
*/
VOID
bassav()
{
- if (basep == NULL) {
- basep = (struct base *)
- new (sizeof (struct base));
- bsp = basep;
- } else {
- bsp->b_base = (struct base *)
- new (sizeof (struct base));
- bsp = bsp->b_base;
- }
- unget(getnb());
- bsp->b_strp = (char *) new (strlen(ip)+1);
- strcpy(bsp->b_strp, ip);
+ if (basep == NULL) {
+ basep = (struct base *)
+ new (sizeof (struct base));
+ bsp = basep;
+ } else {
+ bsp->b_base = (struct base *)
+ new (sizeof (struct base));
+ bsp = bsp->b_base;
+ }
+ unget(getnb());
+ bsp->b_strp = (char *) new (strlen(ip)+1);
+ strcpy(bsp->b_strp, ip);
}
-/*)Function VOID setbas()
- *
- * The function setbas() scans the base address lines in the
- * basep structure, evaluates the arguments, and sets beginning
- * address of the specified areas.
- *
- * local variables:
- * int v expression value
- * char id[] base id string
- *
- * global variables:
- * area *ap Pointer to the current
- * area structure
- * area *areap The pointer to the first
- * area structure of a linked list
- * base *basep The pointer to the first
- * base structure
- * base *bsp Pointer to the current
- * base structure
- * char *ip pointer into the REL file
- * text line in ib[]
- * int lkerr error flag
- *
- * functions called:
- * Addr_T expr() lkeval.c
- * int fprintf() c_library
- * VOID getid() lklex.c
- * char getnb() lklex.c
- * int symeq() lksym.c
- *
- * side effects:
- * The base address of an area is set.
+/*)Function VOID setbas()
+ *
+ * The function setbas() scans the base address lines in the
+ * basep structure, evaluates the arguments, and sets beginning
+ * address of the specified areas.
+ *
+ * local variables:
+ * int v expression value
+ * char id[] base id string
+ *
+ * global variables:
+ * area *ap Pointer to the current
+ * area structure
+ * area *areap The pointer to the first
+ * area structure of a linked list
+ * base *basep The pointer to the first
+ * base structure
+ * base *bsp Pointer to the current
+ * base structure
+ * char *ip pointer into the REL file
+ * text line in ib[]
+ * int lkerr error flag
+ *
+ * functions called:
+ * Addr_T expr() lkeval.c
+ * int fprintf() c_library
+ * VOID getid() lklex.c
+ * char getnb() lklex.c
+ * int symeq() lksym.c
+ *
+ * side effects:
+ * The base address of an area is set.
*/
VOID
setbas()
{
- register int v;
- char id[NCPS];
-
- bsp = basep;
- while (bsp) {
- ip = bsp->b_strp;
- getid(id, -1);
- if (getnb() == '=') {
- v = expr(0);
- for (ap = areap; ap != NULL; ap = ap->a_ap) {
- if (symeq(id, ap->a_id))
- break;
- }
- if (ap == NULL) {
- fprintf(stderr,
- "ASlink-Warning-No definition of area %s\n", id);
- lkerr++;
- } else {
- ap->a_addr = v;
- ap->a_type = 1; /* JLH: value set */
- }
- } else {
- fprintf(stderr, "ASlink-Warning-No '=' in base expression");
- lkerr++;
- }
- bsp = bsp->b_base;
- }
+ register int v;
+ char id[NCPS];
+
+ bsp = basep;
+ while (bsp) {
+ ip = bsp->b_strp;
+ getid(id, -1);
+ if (getnb() == '=') {
+ v = expr(0);
+ for (ap = areap; ap != NULL; ap = ap->a_ap) {
+ if (symeq(id, ap->a_id))
+ break;
+ }
+ if (ap == NULL) {
+ fprintf(stderr,
+ "ASlink-Warning-No definition of area %s\n", id);
+ lkerr++;
+ } else {
+ ap->a_addr = v;
+ ap->a_type = 1; /* JLH: value set */
+ }
+ } else {
+ fprintf(stderr, "ASlink-Warning-No '=' in base expression");
+ lkerr++;
+ }
+ bsp = bsp->b_base;
+ }
}
-/*)Function VOID gblsav()
+/*)Function VOID gblsav()
*
- * The function gblsav() creates a linked structure containing
- * the global variable strings input to the linker.
+ * The function gblsav() creates a linked structure containing
+ * the global variable strings input to the linker.
*
- * local variable:
- * none
+ * local variable:
+ * none
*
- * global variables:
- * globl *globlp The pointer to the first
- * globl structure
- * globl *gsp Pointer to the current
- * globl structure
- * char *ip pointer into the REL file
- * text line in ib[]
- * int lkerr error flag
+ * global variables:
+ * globl *globlp The pointer to the first
+ * globl structure
+ * globl *gsp Pointer to the current
+ * globl structure
+ * char *ip pointer into the REL file
+ * text line in ib[]
+ * int lkerr error flag
*
- * functions called:
- * char getnb() lklex.c
- * VOID * new() lksym.c
- * int strlen() c_library
- * char * strcpy() c_library
- * VOID unget() lklex.c
+ * functions called:
+ * char getnb() lklex.c
+ * VOID * new() lksym.c
+ * int strlen() c_library
+ * char * strcpy() c_library
+ * VOID unget() lklex.c
*
- * side effects:
- * The globlp structure is created.
+ * side effects:
+ * The globlp structure is created.
*/
VOID
gblsav()
{
- if (globlp == NULL) {
- globlp = (struct globl *)
- new (sizeof (struct globl));
- gsp = globlp;
- } else {
- gsp->g_globl = (struct globl *)
- new (sizeof (struct globl));
- gsp = gsp->g_globl;
- }
- unget(getnb());
- gsp->g_strp = (char *) new (strlen(ip)+1);
- strcpy(gsp->g_strp, ip);
+ if (globlp == NULL) {
+ globlp = (struct globl *)
+ new (sizeof (struct globl));
+ gsp = globlp;
+ } else {
+ gsp->g_globl = (struct globl *)
+ new (sizeof (struct globl));
+ gsp = gsp->g_globl;
+ }
+ unget(getnb());
+ gsp->g_strp = (char *) new (strlen(ip)+1);
+ strcpy(gsp->g_strp, ip);
}
-/*)Function VOID setgbl()
- *
- * The function setgbl() scans the global variable lines in the
- * globlp structure, evaluates the arguments, and sets a variable
- * to this value.
- *
- * local variables:
- * int v expression value
- * char id[] base id string
- * sym * sp pointer to a symbol structure
- *
- * global variables:
- * char *ip pointer into the REL file
- * text line in ib[]
- * globl *globlp The pointer to the first
- * globl structure
- * globl *gsp Pointer to the current
- * globl structure
- * FILE * stderr c_library
- * int lkerr error flag
- *
- * functions called:
- * Addr_T expr() lkeval.c
- * int fprintf() c_library
- * VOID getid() lklex.c
- * char getnb() lklex.c
- * sym * lkpsym() lksym.c
- *
- * side effects:
- * The value of a variable is set.
+/*)Function VOID setgbl()
+ *
+ * The function setgbl() scans the global variable lines in the
+ * globlp structure, evaluates the arguments, and sets a variable
+ * to this value.
+ *
+ * local variables:
+ * int v expression value
+ * char id[] base id string
+ * sym * sp pointer to a symbol structure
+ *
+ * global variables:
+ * char *ip pointer into the REL file
+ * text line in ib[]
+ * globl *globlp The pointer to the first
+ * globl structure
+ * globl *gsp Pointer to the current
+ * globl structure
+ * FILE * stderr c_library
+ * int lkerr error flag
+ *
+ * functions called:
+ * Addr_T expr() lkeval.c
+ * int fprintf() c_library
+ * VOID getid() lklex.c
+ * char getnb() lklex.c
+ * sym * lkpsym() lksym.c
+ *
+ * side effects:
+ * The value of a variable is set.
*/
VOID
setgbl()
{
- register int v;
- register struct sym *sp;
- char id[NCPS];
-
- gsp = globlp;
- while (gsp) {
- ip = gsp->g_strp;
- getid(id, -1);
- if (getnb() == '=') {
- v = expr(0);
- sp = lkpsym(id, 0);
- if (sp == NULL) {
- fprintf(stderr,
- "No definition of symbol %s\n", id);
- lkerr++;
- } else {
- if (sp->s_flag & S_DEF) {
- fprintf(stderr,
- "Redefinition of symbol %s\n", id);
- lkerr++;
- sp->s_axp = NULL;
- }
- sp->s_addr = v;
- sp->s_type |= S_DEF;
- }
- } else {
- fprintf(stderr, "No '=' in global expression");
- lkerr++;
- }
- gsp = gsp->g_globl;
- }
+ register int v;
+ register struct sym *sp;
+ char id[NCPS];
+
+ gsp = globlp;
+ while (gsp) {
+ ip = gsp->g_strp;
+ getid(id, -1);
+ if (getnb() == '=') {
+ v = expr(0);
+ sp = lkpsym(id, 0);
+ if (sp == NULL) {
+ fprintf(stderr,
+ "No definition of symbol %s\n", id);
+ lkerr++;
+ } else {
+ if (sp->s_flag & S_DEF) {
+ fprintf(stderr,
+ "Redefinition of symbol %s\n", id);
+ lkerr++;
+ sp->s_axp = NULL;
+ }
+ sp->s_addr = v;
+ sp->s_type |= S_DEF;
+ }
+ } else {
+ fprintf(stderr, "No '=' in global expression");
+ lkerr++;
+ }
+ gsp = gsp->g_globl;
+ }
}
-/*)Function FILE * afile(fn,, ft, wf)
+/*)Function FILE * afile(fn,, ft, wf)
*
- * char * fn file specification string
- * char * ft file type string
- * int wf read(0)/write(1) flag
+ * char * fn file specification string
+ * char * ft file type string
+ * int wf read(0)/write(1) flag
*
- * The function afile() opens a file for reading or writing.
- * (1) If the file type specification string ft
- * is not NULL then a file specification is
- * constructed with the file path\name in fn
- * and the extension in ft.
- * (2) If the file type specification string ft
- * is NULL then the file specification is
- * constructed from fn. If fn does not have
- * a file type then the default .rel file
- * type is appended to the file specification.
+ * The function afile() opens a file for reading or writing.
+ * (1) If the file type specification string ft
+ * is not NULL then a file specification is
+ * constructed with the file path\name in fn
+ * and the extension in ft.
+ * (2) If the file type specification string ft
+ * is NULL then the file specification is
+ * constructed from fn. If fn does not have
+ * a file type then the default .rel file
+ * type is appended to the file specification.
*
- * afile() returns a file handle for the opened file or aborts
- * the assembler on an open error.
+ * afile() returns a file handle for the opened file or aborts
+ * the assembler on an open error.
*
- * local variables:
- * char fb[] constructed file specification string
- * FILE * fp filehandle for opened file
+ * local variables:
+ * char fb[] constructed file specification string
+ * FILE * fp filehandle for opened file
*
- * global variables:
- * int lkerr error flag
+ * global variables:
+ * int lkerr error flag
*
- * functions called:
- * FILE * fopen() c_library
- * int fprintf() c_library
+ * functions called:
+ * FILE * fopen() c_library
+ * int fprintf() c_library
*
- * side effects:
- * File is opened for read or write.
+ * side effects:
+ * File is opened for read or write.
*/
FILE *
afile(char *fn, char *ft, int wf)
{
- FILE *fp;
- char fb[PATH_MAX];
- char *omode;
- int i;
-
- switch (wf) {
- case 0: omode = "r"; break;
- case 1: omode = "w"; break;
- case 2: omode = "a"; break;
- case 3: omode = "rb"; break;
- case 4: omode = "wb"; break;
- case 5: omode = "ab"; break;
- default: omode = "r"; break;
- }
-
- /*Look backward the name path and get rid of the extension, if any*/
- i=strlen(fn);
- for(; (fn[i]!='.')&&(fn[i]!='\\')&&(fn[i]!='/')&&(i>0); i--);
- if( (fn[i]=='.') && strcmp(ft, "lnk") )
- {
- strncpy(fb, fn, i);
- fb[i]=0;
- }
- else
- {
- strcpy(fb, fn);
- }
-
- /*Add the extension*/
- if (fb[i] != '.')
- {
- strcat(fb, ".");
- strcat(fb, strlen(ft)?ft:"rel");
- }
-
- fp = fopen(fb, omode);
- if (fp==NULL)
- {
- if (strcmp(ft,"adb"))/*Do not complaint for optional adb files*/
- {
- fprintf(stderr, "%s: cannot %s.\n", fb, wf?"create":"open");
- lkerr++;
- }
- }
- return (fp);
+ FILE *fp;
+ char fb[PATH_MAX];
+ char *omode;
+ int i;
+
+ switch (wf) {
+ case 0: omode = "r"; break;
+ case 1: omode = "w"; break;
+ case 2: omode = "a"; break;
+ case 3: omode = "rb"; break;
+ case 4: omode = "wb"; break;
+ case 5: omode = "ab"; break;
+ default: omode = "r"; break;
+ }
+
+ /*Look backward the name path and get rid of the extension, if any*/
+ i=strlen(fn);
+ for(; (fn[i]!='.')&&(fn[i]!='\\')&&(fn[i]!='/')&&(i>0); i--);
+ if( (fn[i]=='.') && strcmp(ft, "lnk") )
+ {
+ strncpy(fb, fn, i);
+ fb[i]=0;
+ }
+ else
+ {
+ strcpy(fb, fn);
+ }
+
+ /*Add the extension*/
+ if (fb[i] != '.')
+ {
+ strcat(fb, ".");
+ strcat(fb, strlen(ft)?ft:"rel");
+ }
+
+ fp = fopen(fb, omode);
+ if (fp==NULL)
+ {
+ if (strcmp(ft,"adb"))/*Do not complaint for optional adb files*/
+ {
+ fprintf(stderr, "%s: cannot %s.\n", fb, wf?"create":"open");
+ lkerr++;
+ }
+ }
+ return (fp);
}
-/*)Function VOID iramsav()
+/*)Function VOID iramsav()
*
- * The function iramsav() stores the size of the chip's internal RAM.
- * This is used after linking to check that variable assignment to this
- * dataspace didn't overflow into adjoining segments. Variables in the
- * DSEG, OSEG, and ISEG are assigned to this dataspace.
+ * The function iramsav() stores the size of the chip's internal RAM.
+ * This is used after linking to check that variable assignment to this
+ * dataspace didn't overflow into adjoining segments. Variables in the
+ * DSEG, OSEG, and ISEG are assigned to this dataspace.
*
- * local variables:
- * none
+ * local variables:
+ * none
*
- * global variables:
- * char *ip pointer into the REL file
- * text line in ib[]
- * unsigned int size of chip's internal
- * iram_size RAM segment
+ * global variables:
+ * char *ip pointer into the REL file
+ * text line in ib[]
+ * unsigned int size of chip's internal
+ * iram_size RAM segment
*
- * functions called:
- * char getnb() lklex.c
- * VOID unget() lklex.c
- * Addr_T expr() lkeval.c
+ * functions called:
+ * char getnb() lklex.c
+ * VOID unget() lklex.c
+ * Addr_T expr() lkeval.c
*
- * side effects:
- * The iram_size may be modified.
+ * side effects:
+ * The iram_size may be modified.
*/
VOID
{
unget(getnb());
if (ip && *ip)
- iram_size = expr(0); /* evaluate size expression */
+ iram_size = expr(0); /* evaluate size expression */
else
- iram_size = 128; /* Default is 128 (0x80) bytes */
+ iram_size = 128; /* Default is 128 (0x80) bytes */
}
/*Similar to iramsav but for xram memory*/
{
unget(getnb());
if (ip && *ip)
- xram_size = expr(0); /* evaluate size expression */
+ xram_size = expr(0); /* evaluate size expression */
else
- xram_size = rflag?0x1000000:0x10000;
+ xram_size = rflag?0x1000000:0x10000;
}
/*Similar to iramsav but for code memory*/
{
unget(getnb());
if (ip && *ip)
- code_size = expr(0); /* evaluate size expression */
+ code_size = expr(0); /* evaluate size expression */
else
- code_size = rflag?0x1000000:0x10000;
+ code_size = rflag?0x1000000:0x10000;
}
-/*)Function VOID iramcheck()
+/*)Function VOID iramcheck()
*
- * The function iramcheck() is used at the end of linking to check that
- * the internal RAM area wasn't overflowed by too many variable
- * assignments. Variables in the DSEG, ISEG, and OSEG are assigned to
- * the chip's internal RAM.
+ * The function iramcheck() is used at the end of linking to check that
+ * the internal RAM area wasn't overflowed by too many variable
+ * assignments. Variables in the DSEG, ISEG, and OSEG are assigned to
+ * the chip's internal RAM.
*
- * local variables:
- * none
+ * local variables:
+ * none
*
- * global variables:
- * unsigned int size of chip's internal
- * iram_size RAM segment
- * struct area linked list of memory
- * *areap areas
+ * global variables:
+ * unsigned int size of chip's internal
+ * iram_size RAM segment
+ * struct area linked list of memory
+ * *areap areas
*
- * functions called:
+ * functions called:
*
- * side effects:
+ * side effects:
*/
VOID
{
last_addr = ap->a_addr + ap->a_size - 1;
if (last_addr >= iram_size)
- fprintf(stderr,
- "\nWARNING! Segment %s extends past the end\n"
- " of internal RAM. Check map file.\n",
- ap->a_id);
+ fprintf(stderr,
+ "\nWARNING! Segment %s extends past the end\n"
+ " of internal RAM. Check map file.\n",
+ ap->a_id);
}
}
}
char *usetxt[] = {
- "Startup:",
- " -c Command line input",
- " -f file[LNK] File input",
- " -p Prompt and echo of file[LNK] to stdout (default)",
- " -n No echo of file[LNK] to stdout",
-/* "Usage: [-Options] file [file ...]", */
- "Libraries:",
- " -k Library path specification, one per -k",
- " -l Library file specification, one per -l",
- "Relocation:",
- " -b area base address = expression",
- " -g global symbol = expression",
- "Map format:",
- " -m Map output generated as file[MAP]",
- " -x Hexadecimal (default), -d Decimal, -q Octal",
- "Output:",
- " -i Intel Hex as file[IHX]",
- " -s Motorola S19 as file[S19]",
+ "Startup:",
+ " -c Command line input",
+ " -f file[LNK] File input",
+ " -p Prompt and echo of file[LNK] to stdout (default)",
+ " -n No echo of file[LNK] to stdout",
+/* "Usage: [-Options] file [file ...]", */
+ "Libraries:",
+ " -k Library path specification, one per -k",
+ " -l Library file specification, one per -l",
+ "Relocation:",
+ " -b area base address = expression",
+ " -g global symbol = expression",
+ "Map format:",
+ " -m Map output generated as file[MAP]",
+ " -x Hexadecimal (default), -d Decimal, -q Octal",
+ "Output:",
+ " -i Intel Hex as file[IHX]",
+ " -s Motorola S19 as file[S19]",
" -t ELF executable as file[elf]",
- " -j Produce NoICE debug as file[NOI]",
- " -z Produce SDCdb debug as file[cdb]",
-/* "List:", */
- " -u Update listing file(s) with link data as file(s)[.RST]",
- "Miscellaneous:\n"
- " -a [iram-size] Check for internal RAM overflow",
- " -v [xram-size] Check for external RAM overflow",
- " -w [code-size] Check for code overflow",
- "End:",
- " -e or null line terminates input",
- 0
+ " -j Produce NoICE debug as file[NOI]",
+ " -z Produce SDCdb debug as file[cdb]",
+/* "List:", */
+ " -u Update listing file(s) with link data as file(s)[.RST]",
+ "Miscellaneous:\n"
+ " -a [iram-size] Check for internal RAM overflow",
+ " -v [xram-size] Check for external RAM overflow",
+ " -w [code-size] Check for code overflow",
+ "End:",
+ " -e or null line terminates input",
+ 0
};
-/*)Function VOID usage()
+/*)Function VOID usage()
*
- * The function usage() outputs to the stderr device the
- * assembler name and version and a list of valid assembler options.
+ * The function usage() outputs to the stderr device the
+ * assembler name and version and a list of valid assembler options.
*
- * local variables:
- * char ** dp pointer to an array of
- * text string pointers.
+ * local variables:
+ * char ** dp pointer to an array of
+ * text string pointers.
*
- * global variables:
- * FILE * stderr c_library
+ * global variables:
+ * FILE * stderr c_library
*
- * functions called:
- * int fprintf() c_library
+ * functions called:
+ * int fprintf() c_library
*
- * side effects:
- * none
+ * side effects:
+ * none
*/
VOID
usage()
{
- register char **dp;
+ register char **dp;
- fprintf(stderr, "\nASxxxx Linker %s\n\n", VERSION);
- for (dp = usetxt; *dp; dp++)
- fprintf(stderr, "%s\n", *dp);
- lkexit(1);
+ fprintf(stderr, "\nASxxxx Linker %s\n\n", VERSION);
+ for (dp = usetxt; *dp; dp++)
+ fprintf(stderr, "%s\n", *dp);
+ lkexit(1);
}
/*)Function VOID copyfile()
projects / fw / sdcc / blobdiff