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| author | Cl?ment Chigot <clement.chigot@atos.net> | 2021-04-20 14:40:43 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2021-04-20 14:40:43 +0100 |
| commit | c5df7e442e6cdc9303b7373842370d6ee8f67ea5 (patch) | |
| tree | 28e1442062fdbb13b5c46d98ceeba9c556e6f3b0 /ld/testsuite/ld-powerpc/aix-neg-reloc.s | |
| parent | d549b029d6d622af531211ef4c7bc48cb5011d93 (diff) | |
| download | gdb-c5df7e442e6cdc9303b7373842370d6ee8f67ea5.zip gdb-c5df7e442e6cdc9303b7373842370d6ee8f67ea5.tar.gz gdb-c5df7e442e6cdc9303b7373842370d6ee8f67ea5.tar.bz2 | |
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 'ld/testsuite/ld-powerpc/aix-neg-reloc.s')
| -rw-r--r-- | ld/testsuite/ld-powerpc/aix-neg-reloc.s | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ld/testsuite/ld-powerpc/aix-neg-reloc.s b/ld/testsuite/ld-powerpc/aix-neg-reloc.s new file mode 100644 index 0000000..20b48bd --- /dev/null +++ b/ld/testsuite/ld-powerpc/aix-neg-reloc.s @@ -0,0 +1,30 @@ + .toc + .csect .text[PR] + .globl foo + .globl .foo + .csect foo[DS],3 +foo: + .if size == 32 + .long .foo, TOC[tc0], 0 + .else + .llong .foo, TOC[tc0], 0 + .endif + + .csect .text[PR] +.foo: +LFB..0: + blr + + .csect _foo.ro_[RO],4 + .globl _GLOBAL__F_foo +_GLOBAL__F_foo: + .if size == 32 + .vbyte 4,LFB..0-$ + .else + .vbyte 8,LFB..0-$ + .endif + +# Make sure that .ref is also enough to keep _GLOBAL__F_foo +# when exporting foo. + .csect .text[PR] + .ref _GLOBAL__F_foo |