Maciej W. Rozycki e54cb31aa3 MIPS/LD: Fix a segfault from ELF `e_flags' access with non-ELF output BFD ... Fix a commit 861fb55ab5 ("Defer allocation of R_MIPS_REL32 GOT slots"), <https://sourceware.org/ml/binutils/2008-08/msg00096.html>, regression and a more recent: FAIL: ld-unique/pr21529 new LD test case failure, observed with all the relevant MIPS targets whenever the linker is invoked with one or more ELF inputs and the output format set to `binary'. The culprit is a segmentation fault caused in `mips_before_allocation' by a null pointer dereference, where an attempt is made to access the ELF file header's `e_flags' member, for the purpose of determining whether to produce a PLT and copy relocations, without first checking that the output BFD is ELF. The `e_flags' member is stored in BFD's private data pointed to by `tdep', which in the case of the `binary' BFD is null, causing the segmentation fault. With other non-ELF BFDs such as SREC `tdep' is not null and consequently no crash may happen and in that case random data will be interpreted as it was `e_flags'. Disable the access to `e_flags' then and all the associated checks and consequently never produce a PLT and copy relocations if output is not a MIPS ELF BFD, matching `_bfd_mips_elf_merge_private_bfd_data' that does not process `e_flags' in that case either and therefore does not let us decide here anyway if all the input objects included in the link are suitable for use with a PLT and copy relocations. ld/ * emultempl/mipself.em (mips_before_allocation): Avoid ELF processing if not MIPS ELF. * testsuite/ld-mips-elf/binary.d: New test. * testsuite/ld-mips-elf/binary.ld: New test linker script. * testsuite/ld-mips-elf/binary.s: New test source. * testsuite/ld-mips-elf/mips-elf.exp: Run the new test.		2017-07-07 17:58:03 +01:00
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config	x86: Add run-time tests for -mtls-dialect=gnu2	2017-04-28 12:42:18 -07:00
ld-aarch64	[AArch64] Use SYMBOL_REFERENCES_LOCAL in one symbol check	2017-06-16 14:20:38 +01:00
ld-alpha
ld-arc	[ARC] Fixed TLS for IE model.	2017-06-08 19:00:36 +02:00
ld-arm	[ARM] Add linker support for ARMv8-R	2017-06-24 10:48:08 +01:00
ld-auto-import
ld-avr	Fix PR 13402	2017-06-27 14:47:02 +05:30
ld-bootstrap
ld-cdtest
ld-checks
ld-cris
ld-crx
ld-cygwin
ld-d10v
ld-discard
ld-elf	LD: Fix .startof.SECNAME/.sizeof.SECNAME tests for MIPS/IRIX	2017-06-26 16:15:15 +01:00
ld-elfcomm
ld-elfvers
ld-elfvsb	Pass $NOPIE_CFLAGS to ELF visibility tests	2017-06-22 12:53:39 -07:00
ld-elfweak
ld-fastcall
ld-frv
ld-gc	Pass $NOPIE_CFLAGS and $NOPIE_LDFLAGS to more ELF tests	2017-06-22 09:53:33 -07:00
ld-h8300
ld-i386	i386: Add hidden weak undefined tests	2017-06-22 15:13:15 -07:00
ld-ia64
ld-ifunc	x86: Dump local IFUNC functions in the map file	2017-06-08 03:53:43 -07:00
ld-libs
ld-linkonce
ld-m68hc11
ld-m68k
ld-mep
ld-metag
ld-mips-elf	MIPS/LD: Fix a segfault from ELF `e_flags' access with non-ELF output BFD	2017-07-07 17:58:03 +01:00
ld-misc
ld-mmix
ld-mn10300
ld-nds32	Fix address violation when disassembling a corrupt binary.	2017-06-14 16:50:03 +01:00
ld-nios2
ld-pe
ld-pie
ld-plugin	Handle symbol defined in IR and referenced in DSO	2017-04-20 07:48:35 -07:00
ld-powerpc	Make ppc476 testcases more robust	2017-07-07 23:53:18 +09:30
ld-pru
ld-s390
ld-scripts	Pass $NOPIE_CFLAGS to NOCROSSREFS tests	2017-06-21 14:57:53 -07:00
ld-selective
ld-sh
ld-shared	Pass $NOPIE_CFLAGS and $NOPIE_LDFLAGS to more ELF tests	2017-06-22 09:53:33 -07:00
ld-size	Pass $NOPIE_LDFLAGS size tests	2017-06-21 14:45:57 -07:00
ld-sparc	ld: fix regressions with rett instructions in sparc tests.	2017-04-24 05:31:31 -07:00
ld-spu
ld-srec	Pass $NOPIE_LDFLAGS size tests	2017-06-21 14:45:57 -07:00
ld-tic6x
ld-tilegx
ld-tilepro
ld-undefined	Implement -z dynamic-undefined-weak	2017-04-19 20:39:52 +09:30
ld-unique	Fix a number of pr21529 testcase failures	2017-06-07 17:56:46 +09:30
ld-v850
ld-vax-elf
ld-versados
ld-visium
ld-vxworks
ld-x86-64	x86: Support Intel Shadow Stack with SHSTK property	2017-06-22 05:50:31 -07:00
ld-xc16x
ld-xstormy16
ld-xtensa
ld-z8k
lib	is_underscore_target for ld-elf tests	2017-06-18 11:56:19 +09:30
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