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binutils-gdb/ld/testsuite/ld-x86-64/pr22115-1d.d

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x86: Properly handle __ehdr_start After _bfd_i386_elf_convert_load and _bfd_x86_64_elf_convert_load are removed, elf_i386_convert_load_reloc and elf_x86_64_convert_load_reloc see __ehdr_start as an undefined symbol when they are called from check_relocs to convert GOT relocations against local symbols. But __ehdr_start will be defined as a hidden symbol by linker at the later stage if it is referenced. This patch marks __ehdr_start as a defined local symbol at the start of check_relocs if it is referenced and not defined. bfd/ PR ld/22115 * elf32-i386.c (elf_i386_convert_load_reloc): Check linker_def. Don't use UNDEFINED_WEAK_RESOLVED_TO_ZERO. * elf64-x86-64.c (elf_x86_64_convert_load_reloc): Check linker_def. Don't use UNDEFINED_WEAK_RESOLVED_TO_ZERO. * elfxx-x86.c (_bfd_x86_elf_link_check_relocs): Set local_ref and linker_def on __ehdr_start if it is referenced and not defined. (_bfd_x86_elf_link_symbol_references_local): Also set local_ref and return TRUE when building executable, if a symbol has non-GOT/non-PLT relocations in text section or there is no dynamic linker. * elfxx-x86.h (elf_x86_link_hash_entry): Add linker_def. ld/ PR ld/22115 * ld-i386/i386.exp: Run PR ld/22115 tests, * ld/testsuite/ld-x86-64/x86-64.exp: Likewise. * testsuite/ld-i386/pr22115-1.s: New file. * testsuite/ld-i386/pr22115-1a.d: Likewise. * testsuite/ld-i386/pr22115-1b.d: Likewise. * testsuite/ld-i386/pr22115-1c.d: Likewise. * testsuite/ld-i386/pr22115-1d.d: Likewise. * testsuite/ld-x86-64/pr22115-1.s: Likewise. * testsuite/ld-x86-64/pr22115-1a-x32.d: Likewise. * testsuite/ld-x86-64/pr22115-1a.d: Likewise. * testsuite/ld-x86-64/pr22115-1b-x32.d: Likewise. * testsuite/ld-x86-64/pr22115-1b.d: Likewise. * testsuite/ld-x86-64/pr22115-1c-x32.d: Likewise. * testsuite/ld-x86-64/pr22115-1c.d: Likewise. * testsuite/ld-x86-64/pr22115-1d-x32.d: Likewise. * testsuite/ld-x86-64/pr22115-1d.d: Likewise.
2017-09-09 20:05:16 +08:00
#source: pr22115-1.s
#as: --64 -mrelax-relocations=yes
#ld: -pie -z text -m elf_x86_64 --no-dynamic-linker
#readelf: -r
There are no relocations in this file.
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