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PR23653, ld SIGSEGVs when attempts to link sparc object with x86_64 library 

This patch improves dynobj selection.  This allows the testcase in the
PR to proceed further before segfaulting due to other bugs in the
sparc backend.

../ld/ld-new --eh-frame-hdr -m elf_x86_64 -shared -o bug.so.5 bug.o ./libc.so.6 ./crtendS.o
../ld/ld-new: sparc architecture of input file `bug.o' is incompatible with i386:x86-64 output
../ld/ld-new: bug.o: in function `a':
bug.c:(.text+0x4): undefined reference to `_GLOBAL_OFFSET_TABLE_'
../ld/ld-new: bug.c:(.text+0x8): undefined reference to `_GLOBAL_OFFSET_TABLE_'
Segmentation fault

	PR 23653
	* elflink.c (_bfd_elf_link_create_dynstrtab): Match elf_object_id
	too when choosing dynobj.
This commit is contained in:
Alan Modra 2018-10-17 09:17:30 +10:30
parent c69f6b8096
commit 4de5434b69
2 changed files with 7 additions and 0 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2018-10-17 Alan Modra <amodra@gmail.com>
PR 23653
* elflink.c (_bfd_elf_link_create_dynstrtab): Match elf_object_id
too when choosing dynobj.
2018-10-16 Alan Modra <amodra@gmail.com>
* peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Simplify

1
bfd/elflink.c
View File

@ -223,6 +223,7 @@ _bfd_elf_link_create_dynstrtab (bfd *abfd, struct bfd_link_info *info)
if ((ibfd->flags
& (DYNAMIC | BFD_LINKER_CREATED | BFD_PLUGIN)) == 0
&& bfd_get_flavour (ibfd) == bfd_target_elf_flavour
&& elf_object_id (ibfd) == elf_hash_table_id (hash_table)
&& !((s = ibfd->sections) != NULL
&& s->sec_info_type == SEC_INFO_TYPE_JUST_SYMS))
{