/* adapted from the osu8asm project, 1995 */
/* http://www.pjrc.com/tech/osu8/index.html */
+#define D(x) x
#include <stdio.h>
#include <stdlib.h>
#include "xa_main.h"
extern void yyrestart(FILE *new_file);
-extern void hexout(int byte, int memory_location, int end);
extern int yyparse();
+char modulename[PATH_MAX];
+char infilename[PATH_MAX];
+char outfilename[PATH_MAX];
+char listfilename[PATH_MAX];
+char symfilename[PATH_MAX];
+
/* global variables */
-FILE *fhex, *fmem, *list_fp, *sym_fp;
+FILE *frel, *fmem, *list_fp, *sym_fp;
extern FILE *yyin;
extern char *yytext;
extern char last_line_text[];
struct area_struct area[NUM_AREAS];
int current_area=AREA_CSEG;
+char rel_line[2][132];
char *areaToString (int area) {
switch (area)
{
struct symbol *new, *p;
-/* printf(" Symbol: %s Line: %d\n", thename, lineno); */
+ if ((p=findSymbol(thename))) {
+ p->area=current_area;
+ //fprintf (stderr, "warning, symbol %s already defined\n", thename);
+ return p;
+ }
+
+ //printf(" Symbol: %s Line: %d\n", thename, lineno);
new = (struct symbol *) malloc(sizeof(struct symbol));
new->name = (char *) malloc(strlen(thename)+1);
strcpy(new->name, thename);
new->isreg = 0;
new->line_def = lineno - 1;
new->area = current_area;
+ new->mode = 'X'; // start with an external
new->next = NULL;
if (sym_list == NULL) return (sym_list = new);
p = sym_list;
return (new);
}
-int assign_value(char *thename, int thevalue)
+struct symbol *findSymbol (char *thename) {
+ struct symbol *p;
+ for (p=sym_list; p; p=p->next) {
+ if (strcasecmp(thename, p->name)==0) {
+ return p;
+ }
+ }
+ return NULL;
+}
+
+int assign_value(char *thename, int thevalue, char mode)
{
struct symbol *p;
if (!(strcasecmp(thename, p->name))) {
p->value = thevalue;
p->isdef = 1;
+ p->mode = mode;
return (0);
}
p = p->next;
exit(1);
}
-int mk_bit(char *thename)
+int mk_bit(char *thename, int area)
{
struct symbol *p;
while (p != NULL) {
if (!(strcasecmp(thename, p->name))) {
p->isbit = 1;
+ p->area = area;
return (0);
}
p = p->next;
while (p != NULL) {
if (!(strcasecmp(thename, p->name))) {
p->issfr = 1;
+ p->area = 0;
return (0);
}
p = p->next;
void check_redefine()
{
- struct symbol *p1, *p2;
- p1 = sym_list;
- while (p1 != NULL) {
- p2 = p1->next;
- while (p2 != NULL) {
- if (!strcasecmp(p1->name, p2->name)) {
- fprintf(stderr, "Error: symbol '%s' redefined on line %d", p1->name, p2->line_def);
- fprintf(stderr, ", first defined on line %d\n", p1->line_def);
- exit(1);
- }
- p2 = p2->next;
- }
- p1 = p1->next;
- }
+ struct symbol *p1, *p2;
+ p1 = sym_list;
+ while (p1 != NULL) {
+ p2 = p1->next;
+ while (p2 != NULL) {
+ if (!strcasecmp(p1->name, p2->name)) {
+ fprintf(stderr, "Error: symbol '%s' redefined on line %d",
+ p1->name, p2->line_def);
+ fprintf(stderr, ", first defined on line %d\n", p1->line_def);
+ exit(1);
+ }
+ p2 = p2->next;
+ }
+ p1 = p1->next;
+ }
}
int is_target(char *thename)
}
-int is_def(char *thename)
+struct symbol *is_def(char *thename)
{
- struct symbol *p;
- p = sym_list;
- while (p != NULL) {
- if (!strcasecmp(thename, p->name) && p->isdef) return(1);
- p = p->next;
- }
- return (0);
+ struct symbol *p;
+ p = sym_list;
+ while (p != NULL) {
+ if (!strcasecmp(thename, p->name) && p->isdef)
+ return p;
+ p = p->next;
+ }
+ return NULL;
+}
+
+struct symbol *is_ref(char *thename) {
+ struct symbol *p;
+ p = sym_list;
+ while (p != NULL) {
+ if (strcasecmp(thename, p->name)==0)
+ return p;
+ p = p->next;
+ }
+ return NULL;
}
/* this routine is used to dump a group of bytes to the output */
/* though is it expected that the lexer has placed all the actual */
/* original text from the line in "last_line_text" */
-void out(int *byte_list, int num)
-{
- int i, first=1;
-
- if (num > 0) fprintf(list_fp, "%06X: ", MEM_POS);
- else fprintf(list_fp, "\t");
-
- if (current_area==AREA_CSEG || current_area==AREA_XINIT) {
- for (i=0; i<num; i++) {
- hexout(byte_list[i], MEM_POS + i, 0);
- if (!first && (i % 4) == 0) fprintf(list_fp, "\t");
- fprintf(list_fp, "%02X", byte_list[i]);
- if ((i+1) % 4 == 0) {
- if (first) fprintf(list_fp, "\t%s\n", last_line_text);
- else fprintf(list_fp, "\n");
- first = 0;
- } else {
- if (i<num-1) fprintf(list_fp, " ");
- }
+static short last_area=-1;
+
+int debug=0;
+
+void out(int *byte_list, int num) {
+ struct symbol *p;
+ int i, first=1;
+
+ if (num > 0) fprintf(list_fp, "%06X: ", MEM_POS);
+ else fprintf(list_fp, "\t");
+
+ if (last_area!=current_area) {
+ // emit area information
+ fprintf (frel, "A %s size %d flags 0\n",
+ areaToString(current_area),
+ area[current_area].size);
+ area[current_area].defsEmitted=1;
+ if (!area[current_area].defsEmitted) {
+ for (p=sym_list; p; p=p->next) {
+ if (p->isdef && p->area==current_area) {
+ if (debug || p->name[strlen(p->name)-1]!='$') {
+ fprintf (frel, "S %s Def%04x\n", p->name, p->value);
}
}
- if (first) {
- if (num < 3) fprintf(list_fp, "\t");
- fprintf(list_fp, "\t%s\n", last_line_text);
- } else {
- if (num % 4) fprintf(list_fp, "\n");
+ }
+ }
+ last_area=current_area;
+ }
+ if (current_area==AREA_CSEG ||
+ current_area==AREA_GSFINAL ||
+ current_area==AREA_XINIT) {
+ if (num) {
+ fprintf (frel, "T %02x %02x", (MEM_POS>>16)&0xff, MEM_POS&0xff);
+ for (i=0; i<num; i++) {
+ fprintf (frel, " %02x", byte_list[i]);
+ }
+ fprintf (frel, "\n");
+ if (rel_line[0][0]) {
+ fprintf (frel, "%s\n", rel_line[0]);
+ if (rel_line[1][0]) {
+ fprintf (frel, "%s\n", rel_line[1]);
}
+ }
+ }
+ for (i=0; i<num; i++) {
+ if (!first && (i % 4) == 0) fprintf(list_fp, "\t");
+ fprintf(list_fp, "%02X", byte_list[i]);
+ if ((i+1) % 4 == 0) {
+ if (first) fprintf(list_fp, "\t%s\n", last_line_text);
+ else fprintf(list_fp, "\n");
+ first = 0;
+ } else {
+ if (i<num-1) fprintf(list_fp, " ");
+ }
+ }
+ }
+ if (first) {
+ if (num < 3) fprintf(list_fp, "\t");
+ fprintf(list_fp, "\t%s\n", last_line_text);
+ } else {
+ if (num % 4) fprintf(list_fp, "\n");
+ }
+ expr_var[0][0]='\0';
+ expr_var[1][0]='\0';
+ rel_line[0][0]='\0';
+ rel_line[1][0]='\0';
}
}
void addAreaSymbols() {
- char buffer[132];
- int i;
+ //char buffer[132];
+ int i, areas=0, globals=0;
+ struct symbol *p;
+
+ fprintf (frel, "XH\n");
for (i=0; i<NUM_AREAS; i++) {
+ if ((area[i].size=area[i].alloc_position-area[i].start)) {
+ areas++;
+ }
+#if 0
current_area=i;
sprintf (buffer, "s_%s", areaToString(i));
build_sym_list (buffer);
- assign_value (buffer, area[i].start);
buffer[0]='l';
build_sym_list (buffer);
- assign_value (buffer, area[i].alloc_position-area[i].start);
+#endif
+ }
+ for (p=sym_list; p; p=p->next) {
+ if (p->isdef) {
+ if (debug || p->name[strlen(p->name)-1]!='$') {
+ globals++;
+ }
+ }
+ }
+ fprintf (frel, "H %d areas %d global symbols\n", areas, globals);
+ fprintf (frel, "M %s\n", modulename);
+ for (p=sym_list; p; p=p->next) {
+ if (!p->isdef) {
+ fprintf (frel, "S %s Ref0000\n", p->name);
+ }
}
}
printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
}
-char infilename[PATH_MAX];
-char outfilename[PATH_MAX];
-char listfilename[PATH_MAX];
-char symfilename[PATH_MAX];
-//char mapfilename[PATH_MAX];
-
int verbose=0, createSymbolFile=0;
void process_args(int argc, char **argv)
print_usage(1);
}
- strcpy(outfilename, infilename);
- outfilename[strlen(outfilename)-3] = '\0';
- strcpy(listfilename, outfilename);
+ strcpy(modulename, infilename);
+ modulename[strlen(modulename)-3] = '\0';
+ sprintf (outfilename, "%s.rel", modulename);
+ sprintf (listfilename, "%s.lst", modulename);
if (createSymbolFile) {
- strcpy(symfilename, outfilename);
- strcat(symfilename, ".sym");
+ sprintf (symfilename, "%s.sym", modulename);
}
- //strcpy(mapfilename, outfilename);
- strcat(outfilename, ".hex");
- strcat(listfilename, ".lst");
- //strcat(mapfilename, ".map");
}
/* pass #1 (p1=1) find all symbol defs and branch target names */
fprintf(stderr, "Can't open file '%s'.\n", infilename);
exit(1);
}
- fhex = fopen(outfilename, "w");
- if (fhex == NULL) {
+ frel = fopen(outfilename, "w");
+ if (frel == NULL) {
fprintf(stderr, "Can't write file '%s'.\n", outfilename);
exit(1);
}
yyparse();
fclose(yyin);
- hexout(0, 0, 1); /* flush and close intel hex file output */
return 0;
}
projects / fw / sdcc / blobdiff