Import the current project to git.

1 files changed, 104 insertions, 0 deletions

diff --git a/rtl-mdreloc-m68k.c b/rtl-mdreloc-m68k.c
new file mode 100644
index 0000000..fef380c
--- /dev/null
+++ b/rtl-mdreloc-m68k.c
@@ -0,0 +1,104 @@
+/*
+ * Taken from NetBSD and stripped of the relocations not needed on RTEMS.
+ *
+ *  $Id$
+ */
+
+/*	$NetBSD: mdreloc.c,v 1.26 2010/01/14 11:58:32 skrll Exp $	*/
+
+#include <sys/cdefs.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <rtl.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;
+}
+
+bool
+rtems_rtl_elf_relocate_rela (rtems_rtl_obj_t*      obj,
+                             const Elf_Rela*       rela,
+                             rtems_rtl_obj_sect_t* sect,
+                             Elf_Word              symvalue)
+{
+	Elf_Addr  target = 0;
+  Elf_Addr* where;
+                             
+  where = (Elf_Addr *)(sect->base + rela->r_offset);
+
+  switch (ELF_R_TYPE(rela->r_info)) {
+		case R_TYPE(NONE):
+			break;
+
+		case R_TYPE(PC32):
+      target = (Elf_Addr) symvalue + rela->r_addend;
+      *where += target - (Elf_Addr)where;
+
+      if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC))
+        printf ("rtl: reloc PC32 in %s --> %p (%p) in %s\n",
+                sect->name, (void*) (symvalue + rela->r_addend),
+                (void *)*where, obj->oname);
+      break;
+
+		case R_TYPE(GOT32):
+		case R_TYPE(32):
+		case R_TYPE(GLOB_DAT):
+      target = (Elf_Addr) symvalue + rela->r_addend;
+
+			if (*where != target)
+				*where = target;
+
+      if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC))
+        printf ("rtl: reloc 32/GLOB_DAT in %s --> %p in %s\n",
+                sect->name, (void *)*where, obj->oname);
+			break;
+
+		case R_TYPE(RELATIVE):
+			*where += (Elf_Addr) sect->base + rela->r_addend;
+      if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC))
+        printf ("rtl: reloc RELATIVE in %s --> %p\n", obj->oname, (void *)*where);
+			break;
+
+		case R_TYPE(COPY):
+			/*
+			 * These are deferred until all other relocations have
+			 * been done.  All we do here is make sure that the
+			 * COPY relocation is not in a shared library.  They
+			 * are allowed only in executable files.
+			 */
+      printf ("rtl: reloc COPY (please report)\n");
+			break;
+
+		default:
+      printf ("rtl: reloc unknown: sym = %lu, type = %lu, offset = %p, "
+              "contents = %p\n",
+              ELF_R_SYM(rela->r_info), (uint32_t) ELF_R_TYPE(rela->r_info),
+              (void *)rela->r_offset, (void *)*where);
+      rtems_rtl_set_error (EINVAL,
+                           "%s: Unsupported relocation type %ld "
+                           "in non-PLT relocations",
+                           sect->name, (uint32_t) ELF_R_TYPE(rela->r_info));
+      return false;
+  }
+
+  return false;
+}
+
+bool
+rtems_rtl_elf_relocate_rel (rtems_rtl_obj_t*      obj,
+                            const Elf_Rel*        rel,
+                            rtems_rtl_obj_sect_t* sect,
+                            Elf_Word              symvalue)
+{
+  printf ("rtl: rel type record not supported; please report\n");
+  return false;
+}