sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 48 insertions, 0 deletions

diff --git a/support/regression/tests/bug2084206.c b/support/regression/tests/bug2084206.c
new file mode 100644
index 0000000..20622d4
--- /dev/null
+++ b/support/regression/tests/bug2084206.c
@@ -0,0 +1,48 @@
+/*
+    bug 2084206
+*/
+
+#include <stdarg.h>
+#include <testfwk.h>
+
+typedef struct {
+	void (*f) (void);
+	char c;
+	char* p;
+} data_t;
+
+typedef void* voidp_t;
+typedef void (*funp_t)(void);
+
+volatile data_t mydata;
+
+long varargs(char i, ...)
+{
+	va_list arg;
+	long ret = -1;
+
+	va_start (arg, i);
+	switch (i)
+	{
+		case 1: ret = (long)va_arg(arg, voidp_t); break;
+		case 2: ret = (long)va_arg(arg, funp_t);  break;
+	}
+	va_end (arg);
+	return ret;
+}
+
+void testBug(void)
+{
+#ifndef __SDCC_pdk14 // Lack of memory - see RFE # 613.
+#ifndef __SDCC_pdk15 // TODO: Decide on support for casts between object and function pointers for pdk!
+#ifndef __SDCC_pic16
+	void* ptr = testBug;
+	mydata.f = testBug;
+	ASSERT (varargs(1, mydata.f) == (long)ptr);
+	ASSERT (varargs(1, mydata.f) == (long)(void*)testBug);
+	ASSERT (varargs(2, (funp_t)mydata.f) == (long)mydata.f);
+	ASSERT (varargs(2, (void (*)(void))mydata.f) == (long)mydata.f);
+#endif
+#endif
+#endif
+}