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authorCl?ment Chigot <clement.chigot@atos.net>2021-04-20 14:40:43 +0100
committerNick Clifton <nickc@redhat.com>2021-04-20 14:40:43 +0100
commitc5df7e442e6cdc9303b7373842370d6ee8f67ea5 (patch)
tree28e1442062fdbb13b5c46d98ceeba9c556e6f3b0 /bfd/reloc.c
parentd549b029d6d622af531211ef4c7bc48cb5011d93 (diff)
downloadbinutils-gdb-c5df7e442e6cdc9303b7373842370d6ee8f67ea5.tar.gz
Rework the R_NEG support on both gas and ld for the PowerPC AIX targets, in order to manage C++ exceptions built with GCC.
bfd PR binutils/21700 * reloc.c (BFD_RELOC_PPC_NEG): New relocation. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * coff-rs6000.c (_bfd_xcoff_reloc_type_lookup): Add BFD_RELOC_PPC_NEG handler. (xcoff_reloc_type_neg): Correctly substract addend. * coff64-rs6000.c (xcoff64_howto_table): Add R_NEG_32 howto. (xcoff64_rtype2howto): Add handler for R_NEG_32. (xcoff64_reloc_type_lookup): Add BFD_RELOC_PPC_NEG handler. * xcofflink.c (xcoff_need_ldrel_p): Check output section for R_POS-like relocations. New argument added. (xcoff_mark): Adapt to new xcoff_need_ldrel_p argument. (xcoff_link_input_bfd): Likewise. gas * config/tc-ppc.c (ppc_get_csect_to_adjust): New function. (ppc_fix_adjustable): Manage fx_subsy part. (tc_gen_reloc): Create second relocation when both fx_addsy and fx_subsy are provided. * config/tc-ppc.h (RELOC_EXPANSION_POSSIBLE): New define. (MAX_RELOC_EXPANSION): Likewise. (TC_FORCE_RELOCATION_SUB_SAME): Likewise (UNDEFINED_DIFFERENCE_OK): Likewise * testsuite/gas/all/gas.exp: Skip difference between two undefined symbols test. ld * testsuite/ld-powerpc/aix52.exp: Add new test. * testsuite/ld-powerpc/aix-neg-reloc-32.d: New test. * testsuite/ld-powerpc/aix-neg-reloc-64.d: New test. * testsuite/ld-powerpc/aix-neg-reloc.ex: New test. * testsuite/ld-powerpc/aix-neg-reloc.s: New test.
Diffstat (limited to 'bfd/reloc.c')
-rw-r--r--bfd/reloc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 2eb0758a82c..674b075a6b8 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -2833,6 +2833,8 @@ ENUMX
ENUMX
BFD_RELOC_PPC_REL16DX_HA
ENUMX
+ BFD_RELOC_PPC_NEG
+ENUMX
BFD_RELOC_PPC64_HIGHER
ENUMX
BFD_RELOC_PPC64_HIGHER_S