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.
163 lines
5.3 KiB
Text
163 lines
5.3 KiB
Text
#source: tlsgdesc.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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#objdump: -drj.text
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#target: x86_64-*-*
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.*: +file format elf64-x86-64
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Disassembly of section .text:
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0+[0-9a-f]+ <fc1>:
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+[0-9a-f]+: 55[ ]+push %rbp
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+[0-9a-f]+: 48 89 e5[ ]+mov %rsp,%rbp
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# IE
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+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 03 0d 5e 02 20 00[ ]+add 0x20025e\(%rip\),%rcx +# 200668 <.*>
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# -> R_X86_64_TPOFF64 sG3
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# IE
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+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 03 0d 68 02 20 00[ ]+add 0x200268\(%rip\),%rcx +# 200688 <.*>
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# -> R_X86_64_TPOFF64 sG4
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD, gd first
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+[0-9a-f]+: 66 48 8d 3d 6c 02 20[ ]+data32 lea 0x20026c\(%rip\),%rdi +# 200698 <.*>
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+[0-9a-f]+: 00 *
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# -> R_X86_64_DTPMOD64 sG1
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+[0-9a-f]+: 66 66 48 e8 9c ff ff[ ]+data32 data32 callq [0-9a-f]+ <.*>
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+[0-9a-f]+: ff[ ]+
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# -> R_X86_64_JUMP_SLOT __tls_get_addr
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 8d 05 a1 02 20 00[ ]+lea 0x2002a1\(%rip\),%rax +# 2006e0 <.*>
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# -> R_X86_64_TLSDESC sG1
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+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD, desc first
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+[0-9a-f]+: 48 8d 05 84 02 20 00[ ]+lea 0x200284\(%rip\),%rax +# 2006d0 <.*>
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# -> R_X86_64_TLSDESC sG2
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+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 66 48 8d 3d 1e 02 20[ ]+data32 lea 0x20021e\(%rip\),%rdi +# 200678 <.*>
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+[0-9a-f]+: 00 *
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# -> R_X86_64_DTPMOD64 sG2
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+[0-9a-f]+: 66 66 48 e8 6e ff ff[ ]+data32 data32 callq [0-9a-f]+ <.*>
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+[0-9a-f]+: ff[ ]+
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# -> R_X86_64_JUMP_SLOT __tls_get_addr
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD -> IE, gd first, after IE use
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+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 48 03 05 f2 01 20 00[ ]+add 0x2001f2\(%rip\),%rax +# 200668 <.*>
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# -> R_X86_64_TPOFF64 sG3
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 8b 05 e7 01 20 00[ ]+mov 0x2001e7\(%rip\),%rax +# 200668 <.*>
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# -> R_X86_64_TPOFF64 sG3
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+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD -> IE, desc first, after IE use
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+[0-9a-f]+: 48 8b 05 fa 01 20 00[ ]+mov 0x2001fa\(%rip\),%rax +# 200688 <.*>
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# -> R_X86_64_TPOFF64 sG4
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+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 48 03 05 e4 01 20 00[ ]+add 0x2001e4\(%rip\),%rax +# 200688 <.*>
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# -> R_X86_64_TPOFF64 sG4
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD -> IE, gd first, before IE use
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+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 48 03 05 b8 01 20 00[ ]+add 0x2001b8\(%rip\),%rax +# 200670 <.*>
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# -> R_X86_64_TPOFF64 sG5
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 8b 05 ad 01 20 00[ ]+mov 0x2001ad\(%rip\),%rax +# 200670 <.*>
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# -> R_X86_64_TPOFF64 sG5
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+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# GD -> IE, desc first, before IE use
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+[0-9a-f]+: 48 8b 05 c0 01 20 00[ ]+mov 0x2001c0\(%rip\),%rax +# 200690 <.*>
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# -> R_X86_64_TPOFF64 sG6
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+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 48 03 05 aa 01 20 00[ ]+add 0x2001aa\(%rip\),%rax +# 200690 <.*>
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# -> R_X86_64_TPOFF64 sG6
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# IE
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+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 03 0d 74 01 20 00[ ]+add 0x200174\(%rip\),%rcx +# 200670 <.*>
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# -> R_X86_64_TPOFF64 sG5
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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# IE
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+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
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+[0-9a-f]+: 00 00 *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 48 03 0d 7e 01 20 00[ ]+add 0x20017e\(%rip\),%rcx +# 200690 <.*>
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# -> R_X86_64_TPOFF64 sG6
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: 90[ ]+nop *
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+[0-9a-f]+: c9[ ]+leaveq *
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+[0-9a-f]+: c3[ ]+retq *
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