sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 87 insertions, 0 deletions

diff --git a/support/regression/tests/absolute.c b/support/regression/tests/absolute.c
new file mode 100644
index 0000000..e2211a3
--- /dev/null
+++ b/support/regression/tests/absolute.c
@@ -0,0 +1,87 @@
+/** Absolute addressing tests.
+
+    mem: __code, __xdata
+*/
+#include <testfwk.h>
+#include <stddef.h>
+
+#ifdef __SDCC_pic16
+# define ADDRESS(x) (0x02 ## x)
+#elif defined(__SDCC_pic14)
+# define ADDRESS(x) (0x01 ## x)
+#elif defined(__SDCC_stm8)
+# define ADDRESS(x) (0x10 ## x)
+#else
+# define ADDRESS(x) (0xCA ## x)
+#endif
+
+#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // TODO: Make test suitable for pdk
+typedef struct
+{
+  int a, b;
+} TestStruct;
+
+{mem} volatile __at(ADDRESS(BC)) TestStruct TestVar = {0,0};
+{mem} __at(ADDRESS(B7)) char u;
+{mem} __at(ADDRESS(B7)) char x = 'x';
+{mem} __at(ADDRESS(B9)) char y = 'y';
+{mem} __at(ADDRESS(B0)) int  k = 0x1234;
+
+char * {mem} __at(ADDRESS(A0)) pc = NULL;
+
+typedef char *Pointer;
+{mem} Pointer __at(ADDRESS(A4)) p = NULL;
+
+typedef char Array[2];
+{mem} Array __at(ADDRESS(A8)) a = {0};
+
+typedef void (* const Function)(void);
+{mem} Function __at(ADDRESS(AC)) f = NULL;
+#endif
+
+char z = 'z';
+
+void
+testAbsolute(void)
+{
+#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // TODO: Make test suitable for pdk
+#if !defined(PORT_HOST)
+  static {mem} __at(ADDRESS(B6)) char s = 's';
+  char {mem} *pC = (char {mem} *)(ADDRESS(B0));
+  int  {mem} *pI = (int  {mem} *)(ADDRESS(B0));
+
+  ASSERT(u == 'x');
+  ASSERT(pC[7] == 'x');
+  ASSERT(pC[9] == 'y');
+  ASSERT(pC[6] == 's');
+  ASSERT(pI[0] == 0x1234);
+
+  ASSERT((unsigned int)&pc==ADDRESS(A0));
+  ASSERT((unsigned int)&p==ADDRESS(A4));
+  ASSERT((unsigned int)&a==ADDRESS(A8));
+  ASSERT((unsigned int)&f==ADDRESS(AC));
+
+  //bug 2941749
+  ASSERT((*((TestStruct *)&k)).a == 0x1234);
+#endif
+#endif
+}
+
+#if defined(__SDCC_mcs51) || defined(__SDCC_ds390)
+volatile __data __at(0x20) unsigned char Byte0 = 0x00;
+volatile __data __at(0x22) unsigned char Byte1 = 0x00;
+volatile __bit Bit0, Bit1, Bit2, Bit3, Bit4, Bit5, Bit6, Bit7, Bit8;
+#endif
+
+void
+testAbsBdata(void)
+{
+#if defined(__SDCC_mcs51) || defined(__SDCC_ds390)
+  Bit0 = 1;
+  ASSERT(Byte0 == 0x00);
+  Byte0 = 0xFF;
+  Bit0 = 0;
+  ASSERT(Byte0 == 0xFF);
+#endif
+}
+