New 9term using rio sources more directly.

src/cmd/9term/malloc.c

@@ -0,0 +1,63 @@
+/*
+ * These are here mainly so that I can link against
+ * debugmalloc.c instead and not recompile the world.
+ */
+
+#include <u.h>
+#define NOPLAN9DEFINES
+#include <libc.h>
+
+static Lock malloclock;
+
+void*
+p9malloc(ulong n)
+{
+	void *v;
+	
+	if(n == 0)
+		n++;
+	lock(&malloclock);
+	v = malloc(n);
+	unlock(&malloclock);
+	print("p9malloc %lud => %p; pc %lux\n", n, v, getcallerpc(&n));
+	return v;
+}
+
+void
+p9free(void *v)
+{
+	if(v == nil)
+		return;
+	lock(&malloclock);
+	print("p9free %p; pc %lux\n", v, getcallerpc(&v));
+	free(v);
+	unlock(&malloclock);
+}
+
+void*
+p9calloc(ulong a, ulong b)
+{
+	void *v;
+	
+	if(a*b == 0)
+		a = b = 1;
+
+	lock(&malloclock);
+	v = calloc(a*b, 1);
+	unlock(&malloclock);
+	print("p9calloc %lud %lud => %p; pc %lux\n", a, b, v, getcallerpc(&a));
+	return v;
+}
+
+void*
+p9realloc(void *v, ulong n)
+{
+	void *vv;
+	
+	lock(&malloclock);
+	vv = realloc(v, n);
+	unlock(&malloclock);
+	print("p9realloc %p %lud => %p; pc %lux\n", v, n, vv, getcallerpc(&v));
+	return vv;
+}
+