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[cc1] Pass table  as parameter to dumpstab()

This function can be used for debugging the cpp and lexcial tables.

--- a/cc1/cc1.h

+++ b/cc1/cc1.h

@@ -389,7 +389,7 @@

 extern void flushtypes(void);

 /* symbol.c */

-extern void dumpstab(char *msg);

+extern void dumpstab(Symbol **tbl, char *msg);

 extern Symbol *lookup(int ns, char *name, int alloc);

 extern Symbol *nextsym(Symbol *sym, int ns);

 extern Symbol *install(int ns, Symbol *sym);

--- a/cc1/symbol.c

+++ b/cc1/symbol.c

@@ -20,12 +20,12 @@

 #ifndef NDEBUG

 void

-dumpstab(char *msg)

+dumpstab(Symbol **tbl, char *msg)

 {

 	Symbol **bp, *sym;

 	fprintf(stderr, "Symbol Table dump at ctx=%u\n%s\n", curctx, msg);

-	for (bp = htab; bp < &htab[NR_SYM_HASH]; ++bp) {

+	for (bp = tbl; bp < &tbl[NR_SYM_HASH]; ++bp) {

 		if (*bp == NULL)

 			continue;

 		fprintf(stderr, "%d", (int) (bp - htab));

@@ -36,6 +36,12 @@

 	}

 	fputs("head:", stderr);

 	for (sym = head; sym; sym = sym->next) {

+		fprintf(stderr, "->[%d,%d:'%s'=%p]",

+		        sym->ns, sym->ctx,

+		        (sym->name) ? sym->name : "", (void *) sym);

+	}

+	fputs("\nlabels:", stderr);

+	for (sym = labels; sym; sym = sym->next) {

 		fprintf(stderr, "->[%d,%d:'%s'=%p]",

 		        sym->ns, sym->ctx,

 		        (sym->name) ? sym->name : "", (void *) sym);