+#ifndef OLDFORMAT
+
+/* There is only one type of reloc in a PowerPC NLM. */
+
+static reloc_howto_type nlm_powerpc_howto =
+ HOWTO (0, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ 0, /* special_function */
+ "32", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false); /* pcrel_offset */
+
+/* Read a PowerPC NLM reloc. */
+
+static boolean
+nlm_powerpc_read_reloc (abfd, sym, secp, rel)
+ bfd *abfd;
+ nlmNAME(symbol_type) *sym;
+ asection **secp;
+ arelent *rel;
+{
+ bfd_byte temp[4];
+ bfd_vma val;
+ const char *name;
+
+ if (bfd_bread (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
+ return false;
+
+ val = bfd_get_32 (abfd, temp);
+
+ /* The value is a word offset into either the code or data segment.
+ This is the location which needs to be adjusted.
+
+ The high bit is 0 if the value is an offset into the data
+ segment, or 1 if the value is an offset into the text segment.
+
+ If this is a relocation fixup rather than an imported symbol (the
+ sym argument is NULL), then the second most significant bit is 0
+ if the address of the data segment should be added to the
+ location addressed by the value, or 1 if the address of the text
+ segment should be added.
+
+ If this is an imported symbol, the second most significant bit is
+ not used and must be 0. */
+
+ if ((val & NLM_HIBIT) == 0)
+ name = NLM_INITIALIZED_DATA_NAME;
+ else
+ {
+ name = NLM_CODE_NAME;
+ val &=~ NLM_HIBIT;
+ }
+ *secp = bfd_get_section_by_name (abfd, name);
+
+ if (sym == NULL)
+ {
+ if ((val & (NLM_HIBIT >> 1)) == 0)
+ name = NLM_INITIALIZED_DATA_NAME;
+ else
+ {
+ name = NLM_CODE_NAME;
+ val &=~ (NLM_HIBIT >> 1);
+ }
+ rel->sym_ptr_ptr = bfd_get_section_by_name (abfd, name)->symbol_ptr_ptr;
+ }
+
+ rel->howto = &nlm_powerpc_howto;
+
+ rel->address = val << 2;
+ rel->addend = 0;
+
+ return true;
+}
+
+#else /* OLDFORMAT */
+
+/* This reloc handling is only applicable to the old format. */
+
projects / deliverable / binutils-gdb.git / blobdiff