FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
94894 commits 2 branches 0 tags 423 MiB
Commit graph

2 commits

Author SHA1 Message Date
H.J. Lu
241e64e3b4 x86: Add a GNU_PROPERTY_X86_ISA_1_USED note if needed 
When -z separate-code, which is enabled by default for Linux/x86, is
used to create executable, ld won't place any data in the code-only
PT_LOAD segment.  If there are no data sections placed before the
code-only PT_LOAD segment, the program headers won't be mapped into
any PT_LOAD segment.  When the executable tries to access it (based
on the program header address passed in AT_PHDR), it will lead to
segfault.  This patch inserts a GNU_PROPERTY_X86_ISA_1_USED note if
there may be no data sections before the text section so that the
first PT_LOAD segment won't be code-only and will contain the program
header.

Testcases are adjusted to either pass "-z noseparate-code" to ld or
discard the .note.gnu.property section.  A Linux/x86 run-time test is
added.

bfd/

	PR ld/23428
	* elfxx-x86.c (_bfd_x86_elf_link_setup_gnu_properties): If the
	separate code program header is needed, make sure that the first
	read-only PT_LOAD segment has no code by adding a
	GNU_PROPERTY_X86_ISA_1_USED note.

ld/

	PR ld/23428
	* testsuite/ld-elf/linux-x86.S: New file.
	* testsuite/ld-elf/linux-x86.exp: Likewise.
	* testsuite/ld-elf/pr23428.c: Likewise.
	* testsuite/ld-elf/sec64k.exp: Pass "-z noseparate-code" to ld
	for Linux/x86 targets.
	* testsuite/ld-i386/abs-iamcu.d: Likewise.
	* testsuite/ld-i386/abs.d: Likewise.
	* testsuite/ld-i386/pr12718.d: Likewise.
	* testsuite/ld-i386/pr12921.d: Likewise.
	* testsuite/ld-x86-64/abs-k1om.d: Likewise.
	* testsuite/ld-x86-64/abs-l1om.d: Likewise.
	* testsuite/ld-x86-64/abs.d: Likewise.
	* testsuite/ld-x86-64/pr12718.d: Likewise.
	* testsuite/ld-x86-64/pr12921.d: Likewise.
	* testsuite/ld-linkonce/zeroeh.ld: Discard .note.gnu.property
	section.
	* testsuite/ld-scripts/print-memory-usage.t: Likewise.
	* testsuite/ld-scripts/size-2.t: Likewise.
	* testsuite/lib/ld-lib.exp (run_ld_link_exec_tests): Use ld
	to create executable if language is "asm".
 2018-07-20 09:19:00 -07:00
H.J. Lu
7a9068fe16 Add initial Intel K1OM support. 
bfd/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.am (ALL_MACHINES): Add cpu-k1om.lo.
	(ALL_MACHINES_CFILES): Add cpu-k1om.c.
	* Makefile.in: Regenerated.

	* archures.c (bfd_architecture): Add bfd_arch_k1om.
	(bfd_k1om_arch): New.
	(bfd_archures_list): Add &bfd_k1om_arch.
	* bfd-in2.h: Regenerated.

	* config.bfd (targ64_selvecs): Add bfd_elf64_k1om_vec if
	bfd_elf64_x86_64_vec is supported.  Add bfd_elf64_k1om_freebsd_vec
	if bfd_elf64_x86_64_freebsd_vec is supported.
	(targ_selvecs): Likewise.

	* configure.in: Support bfd_elf64_k1om_vec and
	bfd_elf64_k1om_freebsd_vec.
	* configure: Regenerated.

	* cpu-k1om.c: New.

	* elf64-x86-64.c (elf64_k1om_elf_object_p): New.
	(bfd_elf64_k1om_vec): Likewise.
	(bfd_elf64_k1om_freebsd_vec): Likewise.

	* targets.c (bfd_elf64_k1om_vec): New.
	(bfd_elf64_k1om_freebsd_vec): Likewise.
	(_bfd_target_vector): Add bfd_elf64_k1om_vec and
	bfd_elf64_k1om_freebsd_vec.

binutils/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf.c (init_dwarf_regnames): Handle EM_K1OM.

	* elfedit.c (elf_machine): Support EM_K1OM.
	(elf_class): Likewise.

	* readelf.c (guess_is_rela): Handle EM_K1OM.
	(dump_relocations): Likewise.
	(get_machine_name): Likewise.
	(get_section_type_name): Likewise.
	(get_elf_section_flags): Likewise.
	(process_section_headers): Likewise.
	(get_symbol_index_type): Likewise.
	(is_32bit_abs_reloc): Likewise.
	(is_32bit_pcrel_reloc): Likewise.
	(is_64bit_abs_reloc): Likewise.
	(is_64bit_pcrel_reloc): Likewise.
	(is_none_reloc): Likewise.

	* doc/binutils.texi: Mention K1OM for elfedit.

binutils/testsuite/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* binutils-all/elfedit.exp: Run elfedit-4.

	* binutils-all/elfedit-4.d: New.

gas/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (cpu_arch): Add k1om.
	(i386_align_code): Handle PROCESSOR_K1OM.
	(check_cpu_arch_compatible): Check EM_K1OM.
	(i386_arch): Handle Intel K1OM.
	(i386_mach): Return bfd_mach_k1om for Intel K1OM.
	(i386_target_format): Return ELF_TARGET_K1OM_FORMAT for Intel
	K1OM.

	* config/tc-i386.h (ELF_TARGET_K1OM_FORMAT): New.
	(processor_type): Add PROCESSOR_K1OM.

	* doc/c-i386.texi: Document k1om.

gas/testsuite/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/k1om.d: New.
	* gas/i386/k1om-inval.l: Likewise.
	* gas/i386/k1om-inval.s: Likewise.

	* gas/i386/i386.exp: Run k1om-inval and k1om.

include/elf/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* common.h (EM_K1OM): New.

ld/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.am (ALL_64_EMULATIONS): Add eelf_k1om.o and
	eelf_k1om_fbsd.o
	(eelf_k1om.c): New.
	(eelf_k1om_fbsd.c): Likewise.
	* Makefile.in: Regenerated.

	* configure.tgt (targ64_extra_emuls): Add elf_k1om if elf_x86_64
	is supported.  Add elf_k1om_fbsd if elf_x86_64_fbsd is supported.
	(targ_extra_emuls): Likewise.

	* emulparams/elf_k1om.sh: New.
	* emulparams/elf_k1om_fbsd.sh: Likewise.

ld/testsuite/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-x86-64/abs-k1om.d: New.
	* ld-x86-64/protected2-k1om.d: Likewise.
	* ld-x86-64/protected3-k1om.d: Likewise.

	* ld-x86-64/x86-64.exp: Run abs-k1om, protected2-k1om and
	protected3-k1om.

opcodes/

2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.in: Handle bfd_k1om_arch.
	* configure: Regenerated.

	* disassemble.c (disassembler): Handle bfd_k1om_arch.

	* i386-dis.c (print_insn): Handle bfd_mach_k1om and
	bfd_mach_k1om_intel_syntax.

	* i386-gen.c (cpu_flag_init): Set CPU_UNKNOWN_FLAGS to
	~(CpuL1OM|CpuK1OM).  Add CPU_K1OM_FLAGS.
	(cpu_flags): Add CpuK1OM.

	* i386-opc.h (CpuK1OM): New.
	(i386_cpu_flags): Add cpuk1om.

	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.
 2011-07-22 20:22:38 +00:00