sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 106 insertions, 0 deletions

diff --git a/src/regression/ptrfunc.c b/src/regression/ptrfunc.c
new file mode 100644
index 0000000..317b19f
--- /dev/null
+++ b/src/regression/ptrfunc.c
@@ -0,0 +1,106 @@
+#include "gpsim_assert.h"
+
+unsigned char failures=0;
+
+unsigned int uint0 = 0;
+unsigned int uint1 = 0;
+
+/* 
+ * BUG: if these aren't volatile, an overzealous optimizer or somthing
+ * wreaks havoc with the simple tests like "if(uchar != 3)failures++"
+ */
+volatile unsigned char uchar0 = 0;
+volatile unsigned char uchar1 = 0;
+volatile unsigned char uchar2 = 0;
+
+void (*pfunc)();
+void (*p1func)();
+unsigned char (*pcfunc)();
+
+void
+done()
+{
+  ASSERT(MANGLE(failures) == 0);
+  PASSED();
+}
+
+void call0(void)
+{
+	uchar0++;
+}
+
+void call1(void)
+{
+	uchar1++;
+}
+
+unsigned char call2(void)
+{
+	return uchar0 + 9;
+}
+
+void docall0(void)
+{
+	pfunc = call0;
+	(pfunc)();
+	if(uchar0 != 1)
+		failures++;
+}
+
+void docall1()
+{
+	unsigned char i;
+	for(i = 0; i < 3; i++) {
+		(*p1func)();
+	}
+}
+
+void docall2( void(*pf)() )
+{
+	unsigned char i;
+	for(i = 0; i < 2; i++) {
+		pf();
+	}
+}
+
+void main(void)
+{
+	docall0();
+
+
+	p1func = call1;
+	docall1();
+	if(uchar1 != 3)
+		failures++;
+	if(uchar0 != 1)
+		failures++;
+
+	p1func = call0;
+	docall1();
+	if(uchar1 != 3)
+		failures++;
+	if(uchar0 != 4)
+		failures++;
+
+	docall2(call0);
+	if(uchar1 != 3)
+		failures++;
+	if(uchar0 != 6)
+		failures++;
+
+	docall2(call1);
+	if(uchar1 != 5)
+		failures++;
+	if(uchar0 != 6)
+		failures++;
+
+ 	pcfunc = call2;
+ 	uchar2 = (*pcfunc)();
+	if(uchar2 != 15)
+		failures++;
+/**/
+/* 	uchar2 += (pcfunc)(); */ /* FRONT-END BUG? - type-mismatch error */
+/*	uchar2 += pcfunc(); */ /* FRONT-END BUG? - type-mismatch error */
+
+	done();
+}