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.
144 lines
4.8 KiB
R
144 lines
4.8 KiB
R
#source: tlspic1.s
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#source: tlspic2.s
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#as: --64
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#ld: -shared -melf_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+ 00 +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 +PROGBITS +0+1000 0+1000 0+1ac 00 +AX +0 +0 4096
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+\[[ 0-9]+\] .tdata +PROGBITS +0+2011ac 0+11ac 0+60 00 WAT +0 +0 +1
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+\[[ 0-9]+\] .tbss +NOBITS +0+20120c 0+120c 0+20 00 WAT +0 +0 +1
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+\[[ 0-9]+\] .dynamic +DYNAMIC +0+201210 0+1210 0+130 10 +WA +3 +0 +8
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+\[[ 0-9]+\] .got +PROGBITS +0+201340 0+1340 0+90 08 +WA +0 +0 +8
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+\[[ 0-9]+\] .got.plt +PROGBITS +0+2013d0 0+13d0 0+20 08 +WA +0 +0 +8
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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 0x1000
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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 +0x0+ 0x0+ 0x0+ 0x[0-9a-f]+ 0x[0-9a-f]+ R E 0x200000
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+LOAD +0x0+11ac 0x0+2011ac 0x0+2011ac 0x0+244 0x0+244 RW +0x200000
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+DYNAMIC +0x0+1210 0x0+201210 0x0+201210 0x0+130 0x0+130 RW +0x8
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+TLS +0x0+11ac 0x0+2011ac 0x0+2011ac 0x0+60 0x0+80 R +0x1
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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 +.tdata .dynamic .got .got.plt *
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+02 +.dynamic *
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+03 +.tdata .tbss *
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Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries:
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+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
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[0-9a-f ]+R_X86_64_DTPMOD64 +0+
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[0-9a-f ]+R_X86_64_TPOFF64 +0+24
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[0-9a-f ]+R_X86_64_TPOFF64 +0+30
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[0-9a-f ]+R_X86_64_DTPMOD64 +0+
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[0-9a-f ]+R_X86_64_DTPMOD64 +0+
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[0-9a-f ]+R_X86_64_TPOFF64 +0+64
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[0-9a-f ]+R_X86_64_TPOFF64 +0+50
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[0-9a-f ]+R_X86_64_TPOFF64 +0+70
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[0-9a-f ]+R_X86_64_DTPMOD64 +0+
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[0-9a-f ]+R_X86_64_TPOFF64 +0+44
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[0-9a-f ]+R_X86_64_TPOFF64 +0+10 sg5 \+ 0
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[0-9a-f ]+R_X86_64_DTPMOD64 +0+ sg1 \+ 0
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[0-9a-f ]+R_X86_64_DTPOFF64 +0+ sg1 \+ 0
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[0-9a-f ]+R_X86_64_TPOFF64 +0+4 sg2 \+ 0
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Relocation section '.rela.plt' at offset 0x[0-9a-f]+ contains 1 entries:
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+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
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[0-9a-f ]+R_X86_64_JUMP_SLOT +0+ __tls_get_addr \+ 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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.* NOTYPE +LOCAL +DEFAULT +UND *
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.* SECTION +LOCAL +DEFAULT +7 *
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.* SECTION +LOCAL +DEFAULT +8 *
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.* TLS +GLOBAL +DEFAULT +8 sg8
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.* TLS +GLOBAL +DEFAULT +8 sg3
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.* TLS +GLOBAL +DEFAULT +8 sg4
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.* TLS +GLOBAL +DEFAULT +8 sg5
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.* NOTYPE +GLOBAL +DEFAULT +UND __tls_get_addr
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.* TLS +GLOBAL +DEFAULT +8 sg1
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.* FUNC +GLOBAL +DEFAULT +7 fn1
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.* NOTYPE +GLOBAL +DEFAULT +ABS __bss_start
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.* TLS +GLOBAL +DEFAULT +8 sg2
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.* TLS +GLOBAL +DEFAULT +8 sg6
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.* TLS +GLOBAL +DEFAULT +8 sg7
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.* NOTYPE +GLOBAL +DEFAULT +ABS _edata
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.* NOTYPE +GLOBAL +DEFAULT +ABS _end
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Symbol table '\.symtab' contains [0-9]+ entries:
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+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
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.* NOTYPE +LOCAL +DEFAULT +UND *
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.* SECTION +LOCAL +DEFAULT +1 *
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.* SECTION +LOCAL +DEFAULT +2 *
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.* SECTION +LOCAL +DEFAULT +3 *
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.* SECTION +LOCAL +DEFAULT +4 *
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.* SECTION +LOCAL +DEFAULT +5 *
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.* SECTION +LOCAL +DEFAULT +6 *
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.* SECTION +LOCAL +DEFAULT +7 *
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.* SECTION +LOCAL +DEFAULT +8 *
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.* SECTION +LOCAL +DEFAULT +9 *
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.* SECTION +LOCAL +DEFAULT +10 *
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.* SECTION +LOCAL +DEFAULT +11 *
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.* SECTION +LOCAL +DEFAULT +12 *
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.* TLS +LOCAL +DEFAULT +8 sl1
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.* TLS +LOCAL +DEFAULT +8 sl2
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.* TLS +LOCAL +DEFAULT +8 sl3
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.* TLS +LOCAL +DEFAULT +8 sl4
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.* TLS +LOCAL +DEFAULT +8 sl5
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.* TLS +LOCAL +DEFAULT +8 sl6
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.* TLS +LOCAL +DEFAULT +8 sl7
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.* TLS +LOCAL +DEFAULT +8 sl8
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.* TLS +LOCAL +DEFAULT +9 sH1
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.* OBJECT +LOCAL +DEFAULT +ABS _DYNAMIC
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.* TLS +LOCAL +DEFAULT +8 sh3
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.* TLS +LOCAL +DEFAULT +9 sH2
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.* TLS +LOCAL +DEFAULT +9 sH7
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.* TLS +LOCAL +DEFAULT +8 sh7
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.* TLS +LOCAL +DEFAULT +8 sh8
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.* TLS +LOCAL +DEFAULT +9 sH4
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.* TLS +LOCAL +DEFAULT +8 sh4
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.* TLS +LOCAL +DEFAULT +9 sH3
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.* TLS +LOCAL +DEFAULT +8 sh5
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.* TLS +LOCAL +DEFAULT +9 sH5
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.* TLS +LOCAL +DEFAULT +9 sH6
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.* TLS +LOCAL +DEFAULT +9 sH8
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.* TLS +LOCAL +DEFAULT +8 sh1
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.* OBJECT +LOCAL +DEFAULT +ABS _GLOBAL_OFFSET_TABLE_
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.* TLS +LOCAL +DEFAULT +8 sh2
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.* TLS +LOCAL +DEFAULT +8 sh6
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.* TLS +GLOBAL +DEFAULT +8 sg8
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.* TLS +GLOBAL +DEFAULT +8 sg3
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.* TLS +GLOBAL +DEFAULT +8 sg4
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.* TLS +GLOBAL +DEFAULT +8 sg5
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.* NOTYPE +GLOBAL +DEFAULT +UND __tls_get_addr
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.* TLS +GLOBAL +DEFAULT +8 sg1
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.* FUNC +GLOBAL +DEFAULT +7 fn1
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.* NOTYPE +GLOBAL +DEFAULT +ABS __bss_start
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.* TLS +GLOBAL +DEFAULT +8 sg2
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.* TLS +GLOBAL +DEFAULT +8 sg6
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.* TLS +GLOBAL +DEFAULT +8 sg7
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.* NOTYPE +GLOBAL +DEFAULT +ABS _edata
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.* NOTYPE +GLOBAL +DEFAULT +ABS _end
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