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Diffstat (limited to 'bfd/elf32-ppc.c')
-rw-r--r--bfd/elf32-ppc.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 9750442..541aadf 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -145,7 +145,9 @@ static boolean ppc_elf_finish_dynamic_symbol PARAMS ((bfd *,
static boolean ppc_elf_finish_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
-#define BRANCH_PREDICT_BIT 0x200000
+#define BRANCH_PREDICT_BIT 0x200000 /* branch prediction bit for branch taken relocs */
+#define RA_REGISTER_MASK 0x001f0000 /* mask to set RA in memory instructions */
+#define RA_REGISTER_SHIFT 16 /* value to shift register by to insert RA */
/* The name of the dynamic interpreter. This is put in the .interp
section. */
@@ -2288,8 +2290,15 @@ ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
ret = false;
continue;
}
- goto unsupported;
+
+ if (r_type == R_PPC_EMB_SDA21)
+ { /* fill in register field */
+ insn = bfd_get_32 (output_bfd, contents + offset - 2);
+ insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
+ bfd_put_32 (output_bfd, insn, contents + offset - 2);
+ }
}
+ break;
case (int)R_PPC_PLTREL24:
case (int)R_PPC_COPY: