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Age	Commit message (Collapse)	Author	Files	Lines
2022-12-14	ld, gold: remove support for -z bndplt (MPX prefix)	Martin Liska	1	-8/+0
	bfd/ChangeLog: * elf-linker-x86.h (struct elf_linker_x86_params): Remove bndplt. * elf64-x86-64.c (elf_x86_64_scan_relocs): Ignore R_X86_64_PLT32_BND. (elf_x86_64_relocate_section): Similarly here. (elf_x86_64_link_setup_gnu_properties): Ignore bndplt. * elfxx-x86.c: Likewise. * elfxx-x86.h: Likewise. gold/ChangeLog: * NEWS: Document -z bndplt. * options.h (class General_options): Remove bndplt option. * x86_64.cc (class Output_data_plt_x86_64_bnd): Remove. (Target_x86_64::do_make_data_plt): Do not use Output_data_plt_x86_64_bnd. (Target_x86_64::Scan::get_reference_flags): Likewise. (Target_x86_64::Scan::check_non_pic): Likewise. (Target_x86_64::Scan::local): Likewise. (Target_x86_64::Scan::global): Likewise. ld/ChangeLog: * NEWS: Document -z bndplt. * emulparams/elf_x86_64.sh: Remove bndplt option. * ld.texi: Likewise. * testsuite/ld-x86-64/x86-64.exp: * testsuite/ld-x86-64/bnd-branch-1-now.d: Removed. * testsuite/ld-x86-64/bnd-branch-1.d: Removed. * testsuite/ld-x86-64/bnd-branch-1.s: Removed. * testsuite/ld-x86-64/bnd-ifunc-1-now.d: Removed. * testsuite/ld-x86-64/bnd-ifunc-1.d: Removed. * testsuite/ld-x86-64/bnd-ifunc-1.s: Removed. * testsuite/ld-x86-64/bnd-ifunc-2-now.d: Removed. * testsuite/ld-x86-64/bnd-ifunc-2.d: Removed. * testsuite/ld-x86-64/bnd-ifunc-2.s: Removed. * testsuite/ld-x86-64/bnd-plt-1-now.d: Removed. * testsuite/ld-x86-64/bnd-plt-1.d: Removed. * testsuite/ld-x86-64/mpx.exp: Removed. * testsuite/ld-x86-64/mpx1.out: Removed. * testsuite/ld-x86-64/mpx1a.c: Removed. * testsuite/ld-x86-64/mpx1a.rd: Removed. * testsuite/ld-x86-64/mpx1b.c: Removed. * testsuite/ld-x86-64/mpx1c.c: Removed. * testsuite/ld-x86-64/mpx1c.rd: Removed. * testsuite/ld-x86-64/mpx2.out: Removed. * testsuite/ld-x86-64/mpx2a.c: Removed. * testsuite/ld-x86-64/mpx2a.rd: Removed. * testsuite/ld-x86-64/mpx2b.c: Removed. * testsuite/ld-x86-64/mpx2c.c: Removed. * testsuite/ld-x86-64/mpx2c.rd: Removed. * testsuite/ld-x86-64/mpx3.dd: Removed. * testsuite/ld-x86-64/mpx3a.s: Removed. * testsuite/ld-x86-64/mpx3b.s: Removed. * testsuite/ld-x86-64/mpx3n.dd: Removed. * testsuite/ld-x86-64/mpx4.dd: Removed. * testsuite/ld-x86-64/mpx4a.s: Removed. * testsuite/ld-x86-64/mpx4b.s: Removed. * testsuite/ld-x86-64/mpx4n.dd: Removed. * testsuite/ld-x86-64/pr20800a.S: Removed. * testsuite/ld-x86-64/pr20800b.S: Removed. * testsuite/ld-x86-64/pr21038a-now.d: Removed. * testsuite/ld-x86-64/pr21038a.d: Removed. * testsuite/ld-x86-64/pr21038a.s: Removed. * testsuite/ld-x86-64/pr21038b-now.d: Removed. * testsuite/ld-x86-64/pr21038b.d: Removed. * testsuite/ld-x86-64/pr21038b.s: Removed. * testsuite/ld-x86-64/pr21038c-now.d: Removed. * testsuite/ld-x86-64/pr21038c.d: Removed. * testsuite/ld-x86-64/pr21038c.s: Removed.
2017-01-11	x86-64: Correct unwind info for the BND PLT	H.J. Lu	1	-0/+8
	Since the BND PLT has 230: 68 00 00 00 00 pushq $0x0 235: f2 e9 e5 ff ff ff bnd jmpq 220 <.plt> 23b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) instead of 230: ff 25 e2 0d 20 00 jmpq 0x200de2(%rip) # 201018 <func> 236: 68 00 00 00 00 pushq $0x0 23b: e9 e0 ff ff ff jmpq 220 <.plt> its unwind info should be DW_CFA_def_cfa_expression (DW_OP_breg7 (rsp): 8; DW_OP_breg16 (rip): 0; DW_OP_lit15; DW_OP_and; DW_OP_lit5; DW_OP_ge; DW_OP_lit3; DW_OP_shl; DW_OP_plus) bfd/ PR ld/21038 elf64-x86-64.c (elf_x86_64_eh_frame_bnd_plt): New. (elf_x86_64_bnd_arch_bed): Use elf_x86_64_eh_frame_bnd_plt and elf_x86_64_eh_frame_plt_got. (elf_x86_64_size_dynamic_sections): Get unwind info from elf_x86_64_bnd_arch_bed for the BND PLT. ld/ PR ld/21038 * testsuite/ld-x86-64/pr21038a.d: New file. * testsuite/ld-x86-64/pr21038a.s: Likewise. * testsuite/ld-x86-64/pr21038b.d: Likewise. * testsuite/ld-x86-64/pr21038b.s: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run pr21038a and pr21038b.