mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
8c37241be3
* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
into .dynsym if elf_section_data (sec)->dynindx <= 0.
Adjust counting of last_local.
(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
created by the linker nor !SHF_ALLOC.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section. Set sh_entsize for .got section in addition
to .got.plt.
(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma.
* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section.
(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma. Set sh_entsize for .got section
in addition to .got.plt.
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Likewise.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Likewise.
* elflink.c (bfd_elf_size_dynamic_sections): Set
elf_tdata (output_bfd)->relro from info->relro.
* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
relro_end fields.
* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
(PT_GNU_RELRO): Define.
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
* genscripts.sh: Generate -z combreloc -z now -z relro scripts
for binaries, -shared and -pie.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
(OTHER_RELRO_SECTIONS): ... this.
* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z relro and -z norelro.
(gld${EMULATION_NAME}_list_options): Add it to usage.
(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
-z relro scripts when appropriate.
* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
Create separate .got.plt section if SEPARATE_GOTPLT.
Move sections which are only written during relocation handling
to the beginning of RW segment. If NO_SMALL_DATA, move .got
before .data. Add DATA_SEGMENT_RELRO_END directive.
Include OTHER_RELRO_SECTIONS.
* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
(fold_unary): Likewise.
(fold_binary): Handle -z relro.
* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
exp_dataseg_relro_adjust phases. Add relro_end field.
* ldmain.c (main): Initialize link_info.relro to FALSE.
* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
* ld-i386/tlspic.rd: Adjust for section reordering changes
and removal of unneeded STT_SECTION symbols from .dynsym.
* ld-i386/tlspic.dd: Likewise.
* ld-i386/tlspic.sd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbinpic.s: Likewise.
* ld-i386/tlsbin.dd: Likewise.
* ld-i386/tlsbin.sd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic1.s: Likewise.
* ld-i386/combreloc.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlspic.sd: Likewise.
* ld-x86-64/tlsbin.sd: Likewise.
* ld-x86-64/tlspic.td: Likewise.
* ld-x86-64/tlsbin.td: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-s390/tlspic1.s: Likewise.
* ld-s390/tlsbinpic.s: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlsbin.rd: Likewise.
* ld-s390/tlspic.dd: Likewise.
* ld-s390/tlsbin.dd: Likewise.
* ld-s390/tlsbin.sd: Likewise.
* ld-s390/tlsbin.td: Likewise.
* ld-s390/tlspic.sd: Likewise.
* ld-s390/tlspic.td: Likewise.
* ld-s390/tlspic1_64.s: Likewise.
* ld-s390/tlsbinpic_64.s: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-s390/tlsbin_64.rd: Likewise.
* ld-s390/tlspic_64.dd: Likewise.
* ld-s390/tlsbin_64.dd: Likewise.
* ld-s390/tlspic_64.sd: Likewise.
* ld-s390/tlspic_64.td: Likewise.
* ld-s390/tlsbin_64.td: Likewise.
* ld-s390/tlsbin_64.sd: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-ia64/tlspic.rd: Likewise.
* ld-ia64/tlspic.dd: Likewise.
* ld-ia64/tlspic.sd: Likewise.
* ld-ia64/tlspic.td: Likewise.
* ld-ia64/tlsbin.rd: Likewise.
* ld-ia64/tlsbin.sd: Likewise.
* ld-ia64/tlsbin.td: Likewise.
* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
* ld-shared/shared.exp: Likewise.
157 lines
6.4 KiB
R
157 lines
6.4 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
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#readelf: -WSsrl
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#target: x86_64-*-*
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There are 18 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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\[ 0\] +NULL +0+ 0+ 0+ 00 +0 +0 +0
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\[ 1\] .hash +.*
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\[ 2\] .dynsym +.*
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\[ 3\] .dynstr +.*
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\[ 4\] .rela.dyn +.*
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\[ 5\] .rela.plt +.*
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\[ 6\] .plt +.*
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\[ 7\] .text +PROGBITS +0+1000 0+1000 0+1ac 00 +AX +0 +0 4096
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\[ 8\] .tdata +PROGBITS +0+1011ac 0+11ac 0+60 00 WAT +0 +0 +1
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\[ 9\] .tbss +NOBITS +0+10120c 0+120c 0+20 00 WAT +0 +0 +1
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\[10\] .dynamic +DYNAMIC +0+101210 0+1210 0+130 10 +WA +3 +0 +8
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\[11\] .got +PROGBITS +0+101340 0+1340 0+90 08 +WA +0 +0 +8
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\[12\] .got.plt +PROGBITS +0+1013d0 0+13d0 0+20 08 +WA +0 +0 +8
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\[13\] .data +.*
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\[14\] .bss +.*
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\[15\] .shstrtab +.*
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\[16\] .symtab +.*
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\[17\] .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 4 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 0x100000
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LOAD +0x0+11ac 0x0+1011ac 0x0+1011ac 0x0+e54 0x0+e54 RW +0x100000
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DYNAMIC +0x0+1210 0x0+101210 0x0+101210 0x0+130 0x0+130 RW +0x8
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TLS +0x0+11ac 0x0+1011ac 0x0+1011ac 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 .tbss .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+101340 0+10 R_X86_64_DTPMOD64 +0+
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0+101350 0+12 R_X86_64_TPOFF64 +0+24
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0+101358 0+12 R_X86_64_TPOFF64 +0+30
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0+101360 0+10 R_X86_64_DTPMOD64 +0+
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0+101370 0+10 R_X86_64_DTPMOD64 +0+
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0+101380 0+12 R_X86_64_TPOFF64 +0+64
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0+1013a0 0+12 R_X86_64_TPOFF64 +0+50
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0+1013a8 0+12 R_X86_64_TPOFF64 +0+70
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0+1013b8 0+10 R_X86_64_DTPMOD64 +0+
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0+1013c8 0+12 R_X86_64_TPOFF64 +0+44
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0+101388 0+a00000012 R_X86_64_TPOFF64 +0+10 sg5 \+ 0
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0+101390 0+c00000010 R_X86_64_DTPMOD64 +0+ sg1 \+ 0
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0+101398 0+c00000011 R_X86_64_DTPOFF64 +0+ sg1 \+ 0
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0+1013b0 0+f00000012 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+[0-9a-f]+ 0+b00000007 R_X86_64_JUMP_SLOT +0+ __tls_get_addr \+ 0
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Symbol table '.dynsym' contains 21 entries:
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+Num: +Value +Size Type +Bind +Vis +Ndx Name
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+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
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+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 sg8
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+[0-9]+: 0+101210 +0 OBJECT GLOBAL DEFAULT ABS _DYNAMIC
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+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +8 sg3
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+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +8 sg4
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+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +8 sg5
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+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND __tls_get_addr
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+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +8 sg1
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+[0-9]+: 0+1000 +0 FUNC +GLOBAL DEFAULT +7 fn1
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
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+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +8 sg2
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+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +8 sg6
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+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +8 sg7
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
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+[0-9]+: 0+1013d0 +0 OBJECT GLOBAL DEFAULT ABS _GLOBAL_OFFSET_TABLE_
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
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Symbol table '.symtab' contains 57 entries:
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+Num: +Value +Size Type +Bind +Vis +Ndx Name
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+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +15 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +16 *
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +17 *
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+[0-9]+: 0+20 +0 TLS +LOCAL DEFAULT +8 sl1
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+[0-9]+: 0+24 +0 TLS +LOCAL DEFAULT +8 sl2
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+[0-9]+: 0+28 +0 TLS +LOCAL DEFAULT +8 sl3
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+[0-9]+: 0+2c +0 TLS +LOCAL DEFAULT +8 sl4
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+[0-9]+: 0+30 +0 TLS +LOCAL DEFAULT +8 sl5
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+[0-9]+: 0+34 +0 TLS +LOCAL DEFAULT +8 sl6
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+[0-9]+: 0+38 +0 TLS +LOCAL DEFAULT +8 sl7
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+[0-9]+: 0+3c +0 TLS +LOCAL DEFAULT +8 sl8
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+[0-9]+: 0+78 +0 TLS +LOCAL HIDDEN +9 sH7
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+[0-9]+: 0+58 +0 TLS +LOCAL HIDDEN +8 sh7
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+[0-9]+: 0+5c +0 TLS +LOCAL HIDDEN +8 sh8
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+[0-9]+: 0+6c +0 TLS +LOCAL HIDDEN +9 sH4
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+[0-9]+: 0+4c +0 TLS +LOCAL HIDDEN +8 sh4
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+[0-9]+: 0+68 +0 TLS +LOCAL HIDDEN +9 sH3
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+[0-9]+: 0+50 +0 TLS +LOCAL HIDDEN +8 sh5
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+[0-9]+: 0+70 +0 TLS +LOCAL HIDDEN +9 sH5
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+[0-9]+: 0+74 +0 TLS +LOCAL HIDDEN +9 sH6
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+[0-9]+: 0+7c +0 TLS +LOCAL HIDDEN +9 sH8
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+[0-9]+: 0+40 +0 TLS +LOCAL HIDDEN +8 sh1
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+[0-9]+: 0+44 +0 TLS +LOCAL HIDDEN +8 sh2
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+[0-9]+: 0+54 +0 TLS +LOCAL HIDDEN +8 sh6
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+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 sg8
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+[0-9]+: 0+101210 +0 OBJECT GLOBAL DEFAULT ABS _DYNAMIC
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+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +8 sg3
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+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +8 sg4
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+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +8 sg5
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+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND __tls_get_addr
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+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +8 sg1
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+[0-9]+: 0+1000 +0 FUNC +GLOBAL DEFAULT +7 fn1
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
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+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +8 sg2
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+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +8 sg6
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+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +8 sg7
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
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+[0-9]+: 0+1013d0 +0 OBJECT GLOBAL DEFAULT ABS _GLOBAL_OFFSET_TABLE_
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+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
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