e41b3a1379
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.
104 lines
4 KiB
R
104 lines
4 KiB
R
#source: tlsgdesc.s
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#as: --64
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#ld: -shared -melf64_x86_64 --no-ld-generated-unwind-info
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#readelf: -WSsrl
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#target: x86_64-*-*
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There are [0-9]+ section headers, starting at offset 0x[0-9a-f]+:
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Section Headers:
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+\[Nr\] Name +Type +Address +Off +Size +ES Flg Lk Inf Al
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+\[[ 0-9]+\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
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+\[[ 0-9]+\] \.hash +.*
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+\[[ 0-9]+\] \.dynsym +.*
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+\[[ 0-9]+\] \.dynstr +.*
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+\[[ 0-9]+\] \.rela.dyn +.*
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+\[[ 0-9]+\] \.rela.plt +.*
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+\[[ 0-9]+\] \.plt +.*
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+\[[ 0-9]+\] \.text +.*
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+\[[ 0-9]+\] \.dynamic +.*
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+\[[ 0-9]+\] \.got +.*
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+\[[ 0-9]+\] \.got.plt +.*
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+\[[ 0-9]+\] \.shstrtab +.*
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+\[[ 0-9]+\] \.symtab +.*
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+\[[ 0-9]+\] \.strtab +.*
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Key to Flags:
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.*
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.*
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.*
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Elf file type is DYN \(Shared object file\)
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Entry point 0x[0-9a-f]+
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There are [0-9]+ program headers, starting at offset [0-9]+
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Program Headers:
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+Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
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+LOAD.*
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+LOAD.*
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+DYNAMIC.*
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Section to Segment mapping:
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+Segment Sections...
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+00 +.hash .dynsym .dynstr .rela.dyn .rela.plt .plt .text *
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+01 +.dynamic .got .got.plt *
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+02 +.dynamic *
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Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
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+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
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[0-9a-f]+ +0+200000012 R_X86_64_TPOFF64 +0+ sG3 \+ 0
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[0-9a-f]+ +0+300000012 R_X86_64_TPOFF64 +0+ sG5 \+ 0
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[0-9a-f]+ +0+400000010 R_X86_64_DTPMOD64 +0+ sG2 \+ 0
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[0-9a-f]+ +0+400000011 R_X86_64_DTPOFF64 +0+ sG2 \+ 0
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[0-9a-f]+ +0+500000012 R_X86_64_TPOFF64 +0+ sG4 \+ 0
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[0-9a-f]+ +0+800000012 R_X86_64_TPOFF64 +0+ sG6 \+ 0
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[0-9a-f]+ +0+a00000010 R_X86_64_DTPMOD64 +0+ sG1 \+ 0
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[0-9a-f]+ +0+a00000011 R_X86_64_DTPOFF64 +0+ sG1 \+ 0
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Relocation section '.rela.plt' at offset 0x[0-9a-f]+ contains 3 entries:
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+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
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[0-9a-f]+ +0+600000007 R_X86_64_JUMP_SLOT +0+ __tls_get_addr \+ 0
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[0-9a-f]+ +0+a00000024 R_X86_64_TLSDESC +0+ sG1 \+ 0
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[0-9a-f]+ +0+400000024 R_X86_64_TLSDESC +0+ sG2 \+ 0
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Symbol table '\.dynsym' contains [0-9]+ entries:
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+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
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Symbol table '\.symtab' contains [0-9]+ entries:
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