sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 67 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2569.c b/support/regression/tests/bug-2569.c
new file mode 100644
index 0000000..142773b
--- /dev/null
+++ b/support/regression/tests/bug-2569.c
@@ -0,0 +1,67 @@
+/* bug-2569.c
+   An error in instruction size estimation resulted in an out-of-range relative jump.
+ */
+
+#include <testfwk.h>
+#include <stdint.h>
+
+#ifdef __SDCC
+#pragma std_c99
+#endif
+
+typedef unsigned int u16_t;
+typedef unsigned char u8_t;
+
+#include <string.h>
+
+#define UIP_ARPTAB_SIZE 8
+
+#define uip_ipaddr_cmp(addr1, addr2) ((addr1)->u16[0] == (addr2)->u16[0] && \
+				      (addr1)->u16[1] == (addr2)->u16[1])
+
+typedef struct uip_eth_addr {
+  u8_t addr[6];
+} uip_eth_addr;
+
+typedef union uip_ip4addr_t {
+  u8_t  u8[4];
+  u16_t u16[2];
+} uip_ipaddr_t;
+
+const uip_ipaddr_t uip_all_zeroes_addr = { { 0x0, } };
+
+struct arp_entry {
+  uip_ipaddr_t ipaddr;
+  struct uip_eth_addr ethaddr;
+  u8_t time;
+};
+
+#ifndef __SDCC_pdk14 // Lack of memory
+static struct arp_entry arp_table[UIP_ARPTAB_SIZE];
+
+static u8_t i;
+
+static u8_t arptime;
+
+#define UIP_ARP_MAXAGE 120
+
+void
+uip_arp_timer(void)
+{
+  struct arp_entry *tabptr;
+  
+  ++arptime;
+  for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
+    tabptr = &arp_table[i];
+    if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr) &&
+       arptime - tabptr->time >= UIP_ARP_MAXAGE) {
+      memset(&tabptr->ipaddr, 0, 4);
+    }
+  }
+}
+#endif
+
+void testBug (void)
+{
+}
+