MIPS: Support R_MIPS_PC{16,21,26} rel-style relocs
MIPS32 code uses rel-style relocs, and MIPS32r6 modules may include R_MIPS_PC16, R_MIPS_PC21 & R_MIPS_PC26 relocations. We thus need to support these relocations in order to load MIPS32r6 kernel modules. This patch adds such support, which is similar to the rela-style support in module-rela.c but making use of the implicit addend from the instruction encoding. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Steven J. Hill <sjhill@realitydiluted.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12435/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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