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-rw-r--r--cpukit/libdl/rtl-mdreloc-v850.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/cpukit/libdl/rtl-mdreloc-v850.c b/cpukit/libdl/rtl-mdreloc-v850.c
new file mode 100644
index 0000000000..5372e81e8d
--- /dev/null
+++ b/cpukit/libdl/rtl-mdreloc-v850.c
@@ -0,0 +1,97 @@
+
+#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);
+ }
+
+ switch (ELF_R_TYPE(rela->r_info)) {
+ case R_TYPE(NONE):
+ break;
+
+ case R_TYPE(HI16_S):
+ tmp = (Elf_Sword)(symvalue + rela->r_addend) >> 16;
+ ((uint16_t *)where)[0] = tmp & 0xffff;
+ break;
+
+ case R_TYPE(LO16):
+ tmp = symvalue + rela->r_addend;
+ ((uint16_t *)where)[0] = tmp & 0xffff;
+ break;
+
+ case R_TYPE(LO16_S1):
+ tmp = symvalue + rela->r_addend;
+ ((uint16_t *)where)[0] = tmp & 0xfffe | 0x1;
+ break;
+
+ case R_TYPE(22_PCREL):
+ tmp = symvalue + rela->r_addend - (Elf_Addr)where;
+ if (((Elf_Sword)tmp > 0x1fffff) || ((Elf_Sword)tmp < -0x200000)) {
+ printf("Overflow\n");
+ return false;
+ }
+
+ ((uint16_t *)where)[0] = (*(uint16_t *)where & 0xffc0) |
+ ((tmp >> 16) & 0x3f);
+ ((uint16_t *)where)[1] = (tmp & 0xfffe);
+
+ break;
+
+ case R_TYPE(ABS32):
+ tmp = symvalue + rela->r_addend;
+ tmp += ((uint16_t *)where)[0];
+ tmp += ((uint16_t *)where)[1] << 16;
+ ((uint16_t *)where)[0] = tmp & 0xffff;
+ ((uint16_t *)where)[1] = (tmp >> 16) & 0xffff;
+ break;
+
+ default:
+ rtems_rtl_set_error (EINVAL, "rela type record not supported");
+ printf("error reloc type\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;
+}