aicasm_symbol.c

linux-2.6.15.6

void
aic_print_include(FILE *dfile, char *include_file)
{

	if (dfile == NULL)
		return;
	fprintf(dfile, "\n#include \"%s\"\n\n", include_file);
}

void
aic_print_reg_dump_types(FILE *ofile)
{
	if (ofile == NULL)
		return;
		
	fprintf(ofile,
"typedef int (%sreg_print_t)(u_int, u_int *, u_int);\n"
"typedef struct %sreg_parse_entry {\n"
"	char	*name;\n"
"	uint8_t	 value;\n"
"	uint8_t	 mask;\n"
"} %sreg_parse_entry_t;\n"
"\n",
		prefix, prefix, prefix);
}

static void
aic_print_reg_dump_start(FILE *dfile, symbol_node_t *regnode)
{
	if (dfile == NULL)
		return;

	fprintf(dfile,
"static %sreg_parse_entry_t %s_parse_table[] = {\n",
		prefix,
		regnode->symbol->name);
}

static void
aic_print_reg_dump_end(FILE *ofile, FILE *dfile,
		       symbol_node_t *regnode, u_int num_entries)
{
	char *lower_name;
	char *letter;

	lower_name = strdup(regnode->symbol->name);
	if (lower_name == NULL)
		 stop("Unable to strdup symbol name", EX_SOFTWARE);
	
	for (letter = lower_name; *letter != '\0'; letter++)
		*letter = tolower(*letter);

	if (dfile != NULL) {
		if (num_entries != 0)
			fprintf(dfile,
"\n"
"};\n"
"\n");

		fprintf(dfile,
"int\n"
"%s%s_print(u_int regvalue, u_int *cur_col, u_int wrap)\n"
"{\n"
"	return (%sprint_register(%s%s, %d, \"%s\",\n"
"	    0x%02x, regvalue, cur_col, wrap));\n"
"}\n"
"\n",
			prefix,
			lower_name,
			prefix,
			num_entries != 0 ? regnode->symbol->name : "NULL",
			num_entries != 0 ? "_parse_table" : "",
			num_entries,
			regnode->symbol->name,
			regnode->symbol->info.rinfo->address);
	}

	fprintf(ofile,
"#if AIC_DEBUG_REGISTERS\n"
"%sreg_print_t %s%s_print;\n"
"#else\n"
"#define %s%s_print(regvalue, cur_col, wrap) \\\n"
"    %sprint_register(NULL, 0, \"%s\", 0x%02x, regvalue, cur_col, wrap)\n"
"#endif\n"
"\n",
		prefix,
		prefix,
		lower_name,
		prefix,
		lower_name,
		prefix,
		regnode->symbol->name,
		regnode->symbol->info.rinfo->address);
}

static void
aic_print_reg_dump_entry(FILE *dfile, symbol_node_t *curnode)
{
	int num_tabs;

	if (dfile == NULL)
		return;

	fprintf(dfile,
"	{ \"%s\",",
		curnode->symbol->name);

	num_tabs = 3 - (strlen(curnode->symbol->name) + 5) / 8;

	while (num_tabs-- > 0)
		fputc('\t', dfile);
	fprintf(dfile, "0x%02x, 0x%02x }",
		curnode->symbol->info.finfo->value,
		curnode->symbol->info.finfo->mask);
}

void
symtable_dump(FILE *ofile, FILE *dfile)
{
	/*
	 * Sort the registers by address with a simple insertion sort.
	 * Put bitmasks next to the first register that defines them.
	 * Put constants at the end.
	 */
	symlist_t	 registers;
	symlist_t	 masks;
	symlist_t	 constants;
	symlist_t	 download_constants;
	symlist_t	 aliases;
	symlist_t	 exported_labels;
	symbol_node_t	*curnode;
	symbol_node_t	*regnode;
	DBT		 key;
	DBT		 data;
	int		 flag;
	u_int		 i;

	if (symtable == NULL)
		return;

	SLIST_INIT(&registers);
	SLIST_INIT(&masks);
	SLIST_INIT(&constants);
	SLIST_INIT(&download_constants);
	SLIST_INIT(&aliases);
	SLIST_INIT(&exported_labels);
	flag = R_FIRST;
	while (symtable->seq(symtable, &key, &data, flag) == 0) {
		symbol_t *cursym;

		memcpy(&cursym, data.data, sizeof(cursym));
		switch(cursym->type) {
		case REGISTER:
		case SCBLOC:
		case SRAMLOC:
			symlist_add(&registers, cursym, SYMLIST_SORT);
			break;
		case MASK:
		case FIELD:
		case ENUM:
		case ENUM_ENTRY:
			symlist_add(&masks, cursym, SYMLIST_SORT);
			break;
		case CONST:
			symlist_add(&constants, cursym,
				    SYMLIST_INSERT_HEAD);
			break;
		case DOWNLOAD_CONST:
			symlist_add(&download_constants, cursym,
				    SYMLIST_INSERT_HEAD);
			break;
		case ALIAS:
			symlist_add(&aliases, cursym,
				    SYMLIST_INSERT_HEAD);
			break;
		case LABEL:
			if (cursym->info.linfo->exported == 0)
				break;
			symlist_add(&exported_labels, cursym,
				    SYMLIST_INSERT_HEAD);
			break;
		default:
			break;
		}
		flag = R_NEXT;
	}

	/* Register dianostic functions/declarations first. */
	aic_print_file_prologue(ofile);
	aic_print_reg_dump_types(ofile);
	aic_print_file_prologue(dfile);
	aic_print_include(dfile, stock_include_file);
	SLIST_FOREACH(curnode, &registers, links) {

		switch(curnode->symbol->type) {
		case REGISTER:
		case SCBLOC:
		case SRAMLOC:
		{
			symlist_t	*fields;
			symbol_node_t	*fieldnode;
			int		 num_entries;

			num_entries = 0;
			fields = &curnode->symbol->info.rinfo->fields;
			SLIST_FOREACH(fieldnode, fields, links) {
				if (num_entries == 0)
					aic_print_reg_dump_start(dfile,
								 curnode);
				else if (dfile != NULL)
					fputs(",\n", dfile);
				num_entries++;
				aic_print_reg_dump_entry(dfile, fieldnode);
			}
			aic_print_reg_dump_end(ofile, dfile,
					       curnode, num_entries);
		}
		default:
			break;
		}
	}

	/* Fold in the masks and bits */
	while (SLIST_FIRST(&masks) != NULL) {
		char *regname;

		curnode = SLIST_FIRST(&masks);
		SLIST_REMOVE_HEAD(&masks, links);

		regnode = SLIST_FIRST(&curnode->symbol->info.finfo->symrefs);
		regname = regnode->symbol->name;
		regnode = symlist_search(&registers, regname);
		SLIST_INSERT_AFTER(regnode, curnode, links);
	}

	/* Add the aliases */
	while (SLIST_FIRST(&aliases) != NULL) {
		char *regname;

		curnode = SLIST_FIRST(&aliases);
		SLIST_REMOVE_HEAD(&aliases, links);

		regname = curnode->symbol->info.ainfo->parent->name;
		regnode = symlist_search(&registers, regname);
		SLIST_INSERT_AFTER(regnode, curnode, links);
	}

	/* Output generated #defines. */
	while (SLIST_FIRST(&registers) != NULL) {
		symbol_node_t *curnode;
		u_int value;
		char *tab_str;
		char *tab_str2;

		curnode = SLIST_FIRST(&registers);
		SLIST_REMOVE_HEAD(&registers, links);
		switch(curnode->symbol->type) {
		case REGISTER:
		case SCBLOC:
		case SRAMLOC:
			fprintf(ofile, "\n");
			value = curnode->symbol->info.rinfo->address;
			tab_str = "\t";
			tab_str2 = "\t\t";
			break;
		case ALIAS:
		{
			symbol_t *parent;

			parent = curnode->symbol->info.ainfo->parent;
			value = parent->info.rinfo->address;
			tab_str = "\t";
			tab_str2 = "\t\t";
			break;
		}
		case MASK:
		case FIELD:
		case ENUM:
		case ENUM_ENTRY:
			value = curnode->symbol->info.finfo->value;
			tab_str = "\t\t";
			tab_str2 = "\t";
			break;
		default:
			value = 0; /* Quiet compiler */
			tab_str = NULL;
			tab_str2 = NULL;
			stop("symtable_dump: Invalid symbol type "
			     "encountered", EX_SOFTWARE);
			break;
		}
		fprintf(ofile, "#define%s%-16s%s0x%02x\n",
			tab_str, curnode->symbol->name, tab_str2,
			value);
		free(curnode);
	}
	fprintf(ofile, "\n\n");

	while (SLIST_FIRST(&constants) != NULL) {
		symbol_node_t *curnode;

		curnode = SLIST_FIRST(&constants);
		SLIST_REMOVE_HEAD(&constants, links);
		fprintf(ofile, "#define\t%-8s\t0x%02x\n",
			curnode->symbol->name,
			curnode->symbol->info.cinfo->value);
		free(curnode);
	}

	
	fprintf(ofile, "\n\n/* Downloaded Constant Definitions */\n");

	for (i = 0; SLIST_FIRST(&download_constants) != NULL; i++) {
		symbol_node_t *curnode;

		curnode = SLIST_FIRST(&download_constants);
		SLIST_REMOVE_HEAD(&download_constants, links);
		fprintf(ofile, "#define\t%-8s\t0x%02x\n",
			curnode->symbol->name,
			curnode->symbol->info.cinfo->value);
		free(curnode);
	}
	fprintf(ofile, "#define\tDOWNLOAD_CONST_COUNT\t0x%02x\n", i);

	fprintf(ofile, "\n\n/* Exported Labels */\n");

	while (SLIST_FIRST(&exported_labels) != NULL) {
		symbol_node_t *curnode;

		curnode = SLIST_FIRST(&exported_labels);
		SLIST_REMOVE_HEAD(&exported_labels, links);
		fprintf(ofile, "#define\tLABEL_%-8s\t0x%02x\n",
			curnode->symbol->name,
			curnode->symbol->info.linfo->address);
		free(curnode);
	}
}