1 files changed, 115 insertions, 0 deletions
diff --git a/cpukit/libdl/rtl-mdreloc-bfin.c b/cpukit/libdl/rtl-mdreloc-bfin.c
new file mode 100644
index 0000000000..1c9fd5b956
--- /dev/null
+++ b/cpukit/libdl/rtl-mdreloc-bfin.c
@@ -0,0 +1,115 @@
+#include <sys/cdefs.h>
+
+#include <stdio.h>
+#include <rtl.h>
+#include <errno.h>
+#include "rtl-elf.h"
+#include "rtl-error.h"
+#include "rtl-trace.h"
+
+bool
+rtems_rtl_elf_rel_resolve_sym (Elf_Word type)
+{
+  return true;
+}
+
+static inline Elf_Addr
+load_ptr(void *where)
+{
+	Elf_Addr res;
+
+	memcpy(&res, where, sizeof(res));
+
+	return (res);
+}
+
+bool
+rtems_rtl_elf_relocate_rela (const rtems_rtl_obj_t*      obj,
+                             const Elf_Rela*             rela,
+                             const rtems_rtl_obj_sect_t* sect,
+                             const char*                 symname,
+                             const Elf_Byte              syminfo,
+                             const Elf_Word              symvalue)
+{
+  Elf_Addr	target = 0;
+  Elf_Addr	*where;
+  Elf_Word	tmp;
+  Elf_Word	size; //byte
+
+  where = (Elf_Addr *)(sect->base + rela->r_offset);
+
+  if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) {
+      printf("rela relocation type is %d relocated address 0x%08x",
+              ELF_R_TYPE(rela->r_info), where);
+  }
+
+  tmp = symvalue;
+  switch (ELF_R_TYPE(rela->r_info)) {
+    case R_TYPE(UNUSED0):
+      break;
+
+    case R_TYPE(HUIMM16):
+      tmp = symvalue >> 16;
+    case R_TYPE(LUIMM16):
+    case R_TYPE(RIMM16):
+      size = 2;
+      break;
+
+    case R_TYPE(BYTE4_DATA):
+      size = 4;
+      break;
+
+    case R_TYPE(PCREL24):
+    case R_TYPE(PCREL24_JU):
+      where = (Elf_Addr*)((Elf_Addr)where - 2); /* Back 2 bytes */
+      tmp = symvalue - (Elf_Addr)where;
+      tmp >>= 1;
+      if ((tmp & 0x20000000) == 0x20000000)
+        tmp |= 0xc0000000;
+
+      if ((tmp & 0xff000000) && (~tmp & 0xff800000)) {
+        printf("PCREL24/PCREL24_JU Overflow\n");
+        return false;
+      }
+
+      tmp = (load_ptr(where) & 0x0000ff00) | ((tmp & 0x0000ffff) << 16) |
+             ((tmp & 0x00ff0000) >> 16);
+      size = 4;
+      break;
+
+    case R_TYPE(PCREL12_JUMP_S):
+      tmp = symvalue - (Elf_Addr)where;
+      tmp >>= 1;
+      if ((tmp & 0x20000000) == 0x20000000)
+        tmp |= 0xc0000000;
+
+      if ((tmp & 0xfffff000) && (~tmp & 0xfffff800)) {
+        printf("PCREL12_JUMP_S Overflow\n");
+        return false;
+      }
+
+      tmp = ((*(uint16_t *)where) & 0xf000) | (tmp & 0xfff);
+      size = 2;
+      break;
+
+    default:
+      printf("Unspported rela type\n");
+      return false;
+  }
+
+  memcpy((void*)where, &tmp, size);
+
+  return true;
+}
+
+bool
+rtems_rtl_elf_relocate_rel (const rtems_rtl_obj_t*      obj,
+                            const Elf_Rel*              rel,
+                            const rtems_rtl_obj_sect_t* sect,
+                            const char*                 symname,
+                            const Elf_Byte              syminfo,
+                            const Elf_Word              symvalue)
+{
+  rtems_rtl_set_error (EINVAL, "rel type record not supported");
+  return false;
+}