scc

commit 5c6838058bf80ec9c14b72e9817bc0b80c539f1d
parent b1ed9087223b78b86fdbb90ffc858c2c99b02833
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon, 25 Jan 2016 09:48:13 +0100

[cc2-z80] Use _ to mark global scoped symbols

In the case of z80 we can play a bit with the ABI,
and in this case is funny to use the old convention
about names with global scope.

Diffstat:
M
cc2/arch/z80/code.c
 | 
28
++++++++++++++++++++++++++++
M
cc2/cc2.h
 | 
1
-
M
cc2/symbol.c
 | 
17
-----------------

3 files changed, 28 insertions(+), 18 deletions(-)
diff --git a/cc2/arch/z80/code.c b/cc2/arch/z80/code.c
@@ -4,6 +4,7 @@
 
 #include "arch.h"
 #include "../../cc2.h"
+#include "../../../inc/sizes.h"
 
 enum segment {
 	CODESEG,
@@ -29,6 +30,33 @@ segment(int seg)
 	curseg = seg;
 }
 
+static char *
+symname(Symbol *sym)
+{
+	static char name[IDENTSIZ+1];
+	static unsigned short id;
+	int k = sym->kind;
+
+	if (sym->name) {
+		switch (sym->kind) {
+		case GLOB:
+		case EXTRN:
+			snprintf(name, sizeof(name), "_%s", sym->name);
+			return name;;
+		case PRIVAT:
+			return sym->name;
+		}
+	}
+
+	if (sym->numid == 0) {
+		if ((sym->numid = ++id) == 0)
+			error(EIDOVER);
+	}
+	sprintf(name, ".%d", sym->numid);
+
+	return name;
+}
+
 void
 code(int op, Node *to, Node *from)
 {
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -167,4 +167,3 @@ extern Symbol *getsym(int id);
 extern void popctx(void);
 extern void pushctx(void);
 extern void freesym(Symbol *sym);
-extern char *symname(Symbol *sym);
diff --git a/cc2/symbol.c b/cc2/symbol.c
@@ -65,20 +65,3 @@ getsym(int id)
 	}
 	return sym;
 }
-
-char *
-symname(Symbol *sym)
-{
-	static char name[20];
-	static unsigned short id;
-
-	if (sym->name)
-		return sym->name;
-	if (sym->numid == 0) {
-		if ((sym->numid = ++id) == 0)
-			error(EIDOVER);
-	}
-	sprintf(name, ".%d", sym->numid);
-
-	return name;
-}