bfd/

[binutils-gdb.git] / bfd / cpu-h8300.c

diff --git a/bfd/cpu-h8300.c b/bfd/cpu-h8300.c
index 6ed0fff363868ef91bda6ab0be85f4f9bb7d0b37..1a4f4d7a065af94fa05ff7832dc2deaabcd9145c 100644 (file)
--- a/bfd/cpu-h8300.c
+++ b/bfd/cpu-h8300.c
@@ -220,3 +220,38 @@ const bfd_arch_info_type bfd_h8300_arch =
   h8300_scan,
   &h8300h_info_struct
 };
+
+/* Pad the given address to 32 bits, converting 16-bit and 24-bit
+   addresses into the values they would have had on a h8s target.  */
+
+bfd_vma
+bfd_h8300_pad_address (bfd *abfd, bfd_vma address)
+{
+  /* Cope with bfd_vma's larger than 32 bits.  */
+  address &= 0xffffffffu;
+
+  switch (bfd_get_mach (abfd))
+    {
+    case bfd_mach_h8300:
+    case bfd_mach_h8300hn:
+    case bfd_mach_h8300sn:
+    case bfd_mach_h8300sxn:
+      /* Sign extend a 16-bit address.  */
+      if (address >= 0x8000)
+       return address | 0xffff0000u;
+      return address;
+
+    case bfd_mach_h8300h:
+      /* Sign extend a 24-bit address.  */
+      if (address >= 0x800000)
+       return address | 0xff000000u;
+      return address;
+
+    case bfd_mach_h8300s:
+    case bfd_mach_h8300sx:
+      return address;
+
+    default:
+      abort ();
+    }
+}