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authorH.J. Lu <hjl.tools@gmail.com>2016-03-15 11:07:06 -0700
committerH.J. Lu <hjl.tools@gmail.com>2016-03-15 11:07:54 -0700
commit4c10bbaa0912742322f10d9d5bb630ba4e15dfa7 (patch)
tree4da4677185d00b755043d03f5781dd316029926c /ld/Makefile.am
parent1eb2dbb8d73c344e199fd04531ec3f649e2835b2 (diff)
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Add -z noreloc-overflow option to x86-64 ld
Add -z noreloc-overflow command-line option to the x86-64 ELF linker to disable relocation overflow check. This can be used to avoid relocation overflow check if there will be no dynamic relocation overflow at run-time. bfd/ PR ld/19807 * elf64-x86-64.c (elf_x86_64_relocate_section): Check no_reloc_overflow_check to diable R_X86_64_32/R_X86_64_32S relocation overflow check. include/ PR ld/19807 * bfdlink.h (bfd_link_info): Add no_reloc_overflow_check. ld/ PR ld/19807 * Makefile.am (ELF_X86_DEPS): Add $(srcdir)/emulparams/reloc_overflow.sh. * Makefile.in: Regenerated. * NEWS: Mention -z noreloc-overflow. * ld.texinfo: Document -z noreloc-overflow. * emulparams/elf32_x86_64.sh: Source ${srcdir}/emulparams/reloc_overflow.sh. * emulparams/elf_x86_64.sh: Likewise. * emulparams/reloc_overflow.sh: New file. * testsuite/ld-x86-64/pr19807-1.s: New file. * testsuite/ld-x86-64/pr19807-1a.d: Likewise. * testsuite/ld-x86-64/pr19807-1b.d: Likewise. * testsuite/ld-x86-64/pr19807-2.s: Likewise. * testsuite/ld-x86-64/pr19807-2a.d: Likewise. * testsuite/ld-x86-64/pr19807-2b.d: Likewise. * testsuite/ld-x86-64/pr19807-2c.d: Likewise. * testsuite/ld-x86-64/pr19807-2d.d: Likewise. * testsuite/ld-x86-64/pr19807-2e.d: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run PR ld/19807 tests.
Diffstat (limited to 'ld/Makefile.am')
-rw-r--r--ld/Makefile.am1
1 files changed, 1 insertions, 0 deletions
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 4a8c0b6..d14e769 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -672,6 +672,7 @@ ELF_GEN_DEPS = $(srcdir)/emultempl/generic.em $(srcdir)/emultempl/elf-generic.em
ELF_X86_DEPS = $(ELF_DEPS) $(srcdir)/emulparams/plt_unwind.sh \
$(srcdir)/emulparams/extern_protected_data.sh \
$(srcdir)/emulparams/dynamic_undefined_weak.sh \
+ $(srcdir)/emulparams/reloc_overflow.sh \
$(srcdir)/emulparams/call_nop.sh
@TDIRS@