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-rw-r--r--cpukit/libdl/rtl-mdreloc-h8300.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/cpukit/libdl/rtl-mdreloc-h8300.c b/cpukit/libdl/rtl-mdreloc-h8300.c
new file mode 100644
index 0000000000..925601b7d2
--- /dev/null
+++ b/cpukit/libdl/rtl-mdreloc-h8300.c
@@ -0,0 +1,101 @@
+#include <sys/cdefs.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <rtems/rtl/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 (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 *where;
+ Elf_Word tmp;
+
+ where = (Elf_Addr *)(sect->base + rela->r_offset);
+
+ if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) {
+ printf("rela relocation type is %ld\n", ELF_R_TYPE(rela->r_info));
+ printf("relocated address 0x%08lx\n", (Elf_Addr)where);
+ }
+
+ tmp = symvalue;
+ switch (ELF_R_TYPE(rela->r_info)) {
+ case R_TYPE(NONE):
+ break;
+
+ case R_TYPE(DIR16):
+ *(uint16_t *)where += symvalue + rela->r_addend;
+ break;
+
+ case R_TYPE(DIR32):
+ case R_TYPE(DIR32A16):
+ *where += symvalue + rela->r_addend;
+ break;
+
+ case R_TYPE(DIR24A8):
+ if (ELF32_R_SYM(rela->r_info))
+ *where += symvalue + rela->r_addend;
+ break;
+
+ case R_TYPE(DIR24R8):
+ where = (uint32_t *)((uint32_t)where - 1);
+ *where = (*where & 0xff000000) | ((*where & 0xffffff) + symvalue + rela->r_addend);
+ break;
+
+ case R_TYPE(PCREL8):
+ /* bcc instruction */
+ tmp = symvalue + rela->r_addend - (Elf_Addr)where - 1;
+ if (((Elf32_Sword)tmp > 0x7f) || ((Elf32_Sword)tmp < -(Elf32_Sword)0x80)){
+ printf("PCREL8 overflow\n");
+ return false;
+ } else {
+ *(uint8_t *)where = tmp;
+ }
+ break;
+
+ case R_TYPE(PCREL16):
+ /* bcc instruction */
+ tmp = symvalue + rela->r_addend - (Elf_Addr)where - 2;
+ if (((Elf32_Sword)tmp > 0x7fff) || ((Elf32_Sword)tmp < -(Elf32_Sword)0x8000)){
+ printf("PCREL16 overflow\n");
+ return false;
+ } else {
+ *(uint16_t *)where = tmp;
+ }
+ break;
+
+ default:
+ rtems_rtl_set_error (EINVAL, "rela type record not supported");
+ printf("Unsupported reloc types\n");
+ return false;
+ }
+ 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;
+}