[PATCH] D15193: [ELF/AArch64] Allow only valid dynamic relocations in the output.

[Igor Kudrin via llvm-commits]

ikudrin created this revision.
ikudrin added reviewers: ruiu, davide, rafael.
ikudrin added a subscriber: llvm-commits.
ikudrin added a project: lld.
Herald added subscribers: rengolin, aemerson.

All relocations, which cannot be handled by the dynamic linker,
cause a linking error "rebuild with -fPIC".

The implementation differs from both ld and gold, which silently
generate a result file without any errors. However, in the result DSO
all normally preemptible symbols behave like locals.

http://reviews.llvm.org/D15193

Files:
  lld/trunk/ELF/Target.cpp
  lld/trunk/test/ELF/aarch64-abs16.s
  lld/trunk/test/ELF/aarch64-abs32.s
  lld/trunk/test/ELF/aarch64-data-relocs.s
  lld/trunk/test/ELF/aarch64-fpic-abs16.s
  lld/trunk/test/ELF/aarch64-fpic-add_abs_lo12_nc.s
  lld/trunk/test/ELF/aarch64-fpic-adr_prel_lo21.s
  lld/trunk/test/ELF/aarch64-fpic-adr_prel_pg_hi21.s
  lld/trunk/test/ELF/aarch64-fpic-ldst32_abs_lo12_nc.s
  lld/trunk/test/ELF/aarch64-fpic-ldst64_abs_lo12_nc.s
  lld/trunk/test/ELF/aarch64-fpic-ldst8_abs_lo12_nc.s
  lld/trunk/test/ELF/aarch64-fpic-prel16.s
  lld/trunk/test/ELF/aarch64-fpic-prel32.s
  lld/trunk/test/ELF/aarch64-fpic-prel64.s
  lld/trunk/test/ELF/aarch64-hi21-error.s
  lld/trunk/test/ELF/aarch64-lo21-error.s
  lld/trunk/test/ELF/aarch64-prel16.s
  lld/trunk/test/ELF/aarch64-prel32.s

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