From e41b3a13792f24506443962d82207466bf9b9e39 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Mon, 20 Jun 2011 13:18:52 +0000 Subject: PR ld/12570 include/ * bfdlink.h (struct bfd_link_info): Add no_ld_generated_unwind_info option. ld/ * emultempl/elf32.em (OPTION_LD_GENERATED_UNWIND_INFO, OPTION_NO_LD_GENERATED_UNWIND_INFO): Define. (gld${EMULATION_NAME}_handle_option): Handle --ld-generated-unwind-info and --no-ld-generated-unwind-info. * ld.texinfo (--ld-generated-unwind-info, --no-ld-generated-unwind-info): Document. bfd/ * elf-eh-frame.c (_bfd_elf_parse_eh_frame): Allow no relocations at all for linker created .eh_frame sections. (_bfd_elf_discard_section_eh_frame): Handle linker created .eh_frame sections with no relocations. * elf64-x86-64.c: Include dwarf2.h. (elf_x86_64_eh_frame_plt): New variable. (PLT_CIE_LENGTH, PLT_FDE_LENGTH, PLT_FDE_START_OFFSET, PLT_FDE_LEN_OFFSET): Define. (struct elf_x86_64_link_hash_table): Add plt_eh_frame field. (elf_x86_64_create_dynamic_sections): Create and fill in .eh_frame section for .plt section. (elf_x86_64_size_dynamic_sections): Write .plt section size into .eh_frame FDE covering .plt section. (elf_x86_64_finish_dynamic_sections): Write .plt section start into .eh_frame FDE covering .plt section. Call _bfd_elf_write_section_eh_frame on htab->plt_eh_frame section. (elf_backend_plt_alignment): Define to 4. * elf32-i386.c: Include dwarf2.h. (elf_i386_eh_frame_plt): New variable. (PLT_CIE_LENGTH, PLT_FDE_LENGTH, PLT_FDE_START_OFFSET, PLT_FDE_LEN_OFFSET): Define. (struct elf_i386_link_hash_table): Add plt_eh_frame field. (elf_i386_create_dynamic_sections): Create and fill in .eh_frame section for .plt section. (elf_i386_size_dynamic_sections): Write .plt section size into .eh_frame FDE covering .plt section. (elf_i386_finish_dynamic_sections): Write .plt section start into .eh_frame FDE covering .plt section. Call _bfd_elf_write_section_eh_frame on htab->plt_eh_frame section. (elf_backend_plt_alignment): Define to 4. ld/testsuite/ * ld-x86-64/x86-64.exp: Link some testcases with --no-ld-generated-unwind-info. * ld-x86-64/tlsbin.rd: Add --no-ld-generated-unwind-info to ld comment. * ld-x86-64/tlsdesc.dd: Likewise. * ld-x86-64/tlspic.dd: Likewise. * ld-x86-64/tlsdesc.sd: Likewise. * ld-x86-64/tlspic.rd: Likewise. * ld-x86-64/tlsbindesc.rd: Likewise. * ld-x86-64/tlsbindesc.sd: Likewise. * ld-x86-64/tlsbin.td: Likewise. * ld-x86-64/tlsdesc.pd: Likewise. * ld-x86-64/tlsdesc.td: Likewise. * ld-x86-64/tlsbindesc.dd: Likewise. * ld-x86-64/tlsbin.dd: Likewise. * ld-x86-64/tlsgdesc.rd: Likewise. * ld-x86-64/tlspic.sd: Likewise. * ld-x86-64/tlsbindesc.td: Likewise. * ld-x86-64/tlspic.td: Likewise. * ld-x86-64/tlsbin.sd: Likewise. * ld-x86-64/ilp32-4.d: Likewise. * ld-x86-64/tlsgdesc.dd: Add --no-ld-generated-unwind-info to ld comment. Adjust. * ld-x86-64/tlsdesc.rd: Likewise. * ld-x86-64/tlsgd6.dd: Adjust. * ld-x86-64/tlsgd5.dd: Likewise. * ld-i386/i386.exp: Link some testcases with --no-ld-generated-unwind-info. * ld-i386/tlsbin.rd: Add --no-ld-generated-unwind-info to ld comment.. * ld-i386/tlsdesc.dd: Likewise. * ld-i386/tlspic.dd: Likewise. * ld-i386/tlsdesc.sd: Likewise. * ld-i386/tlsgdesc.dd: Likewise. * ld-i386/tlsnopic.sd: Likewise. * ld-i386/tlspic.rd: Likewise. * ld-i386/tlsdesc.rd: Likewise. * ld-i386/tlsbindesc.rd: Likewise. * ld-i386/tlsbindesc.sd: Likewise. * ld-i386/tlsbin.td: Likewise. * ld-i386/tlsdesc.td: Likewise. * ld-i386/tlsnopic.dd: Likewise. * ld-i386/tlsbindesc.dd: Likewise. * ld-i386/tlsbin.dd: Likewise. * ld-i386/tlsgdesc.rd: Likewise. * ld-i386/tlspic.sd: Likewise. * ld-i386/tlsnopic.rd: Likewise. * ld-i386/tlsbindesc.td: Likewise. * ld-i386/tlspic.td: Likewise. * ld-i386/tlsbin.sd: Likewise. --- include/ChangeLog | 6 ++++++ include/bfdlink.h | 4 ++++ 2 files changed, 10 insertions(+) (limited to 'include') diff --git a/include/ChangeLog b/include/ChangeLog index 42546be..6ff56e6 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2011-06-20 Jakub Jelinek + + PR ld/12570 + * bfdlink.h (struct bfd_link_info): Add no_ld_generated_unwind_info + option. + 2011-06-13 Jan Kratochvil * demangle.h (DMGL_RET_POSTFIX): Extend the comment. diff --git a/include/bfdlink.h b/include/bfdlink.h index bb62fbe..b1c751a 100644 --- a/include/bfdlink.h +++ b/include/bfdlink.h @@ -353,6 +353,10 @@ struct bfd_link_info --dynamic-list command line options. */ unsigned int dynamic: 1; + /* FALSE if .eh_frame unwind info should be generated for PLT and other + linker created sections, TRUE if it should be omitted. */ + unsigned int no_ld_generated_unwind_info: 1; + /* Non-NULL if .note.gnu.build-id section should be created. */ char *emit_note_gnu_build_id; -- cgit v1.1