mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
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.
157 lines
5.1 KiB
Plaintext
157 lines
5.1 KiB
Plaintext
#source: tlsgdesc.s
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#as: --32
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#ld: -shared -melf_i386 --no-ld-generated-unwind-info
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#objdump: -drj.text
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#target: i?86-*-*
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.*: +file format elf32-i386
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Disassembly of section .text:
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[0-9a-f]+ <fc1>:
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[0-9a-f]+: 55[ ]+push %ebp
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[0-9a-f]+: 89 e5[ ]+mov %esp,%ebp
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[0-9a-f]+: 53[ ]+push %ebx
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[0-9a-f]+: 50[ ]+push %eax
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[0-9a-f]+: e8 00 00 00 00[ ]+call [0-9a-f]+ <.*>
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[0-9a-f]+: 5b[ ]+pop %ebx
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[0-9a-f]+: 81 c3 be 11 00 00[ ]+add \$0x[0-9a-f]+,%ebx
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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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# @gottpoff IE against global var
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[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
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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]+: 2b 8b e0 ff ff ff[ ]+sub -0x20\(%ebx\),%ecx
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# ->R_386_TLS_TPOFF32 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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# @gotntpoff IE against global var
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[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
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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]+: 03 8b f0 ff ff ff[ ]+add -0x10\(%ebx\),%ecx
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# ->R_386_TLS_TPOFF 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
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[0-9a-f]+: 8d 04 1d f8 ff ff ff[ ]+lea -0x8\(,%ebx,1\),%eax
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# ->R_386_TLS_DTPMOD32 sG1
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[0-9a-f]+: e8 a9 ff ff ff[ ]+call [0-9a-f]+ <___tls_get_addr@plt>
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# ->R_386_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]+: 8d 83 18 00 00 00[ ]+lea 0x18\(%ebx\),%eax
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# ->R_386_TLS_DESC sG1
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[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
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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]+: 8d 83 10 00 00 00[ ]+lea 0x10\(%ebx\),%eax
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# ->R_386_TLS_DESC sG2
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[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
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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]+: 8d 04 1d e8 ff ff ff[ ]+lea -0x18\(,%ebx,1\),%eax
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# ->R_386_TLS_DTPMOD32 sG2
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[0-9a-f]+: e8 81 ff ff ff[ ]+call [0-9a-f]+ <___tls_get_addr@plt>
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# ->R_386_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 because variable is referenced through @gottpoff too
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[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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[0-9a-f]+: 2b 83 e0 ff ff ff[ ]+sub -0x20\(%ebx\),%eax
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# ->R_386_TLS_TPOFF32 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]+: 8b 83 e0 ff ff ff[ ]+mov -0x20\(%ebx\),%eax
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# ->R_386_TLS_TPOFF32 sG3
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[0-9a-f]+: f7 d8[ ]+neg %eax
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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 because variable is referenced through @gotntpoff too
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[0-9a-f]+: 8b 83 f0 ff ff ff[ ]+mov -0x10\(%ebx\),%eax
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# ->R_386_TLS_TPOFF 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]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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[0-9a-f]+: 03 83 f0 ff ff ff[ ]+add -0x10\(%ebx\),%eax
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# ->R_386_TLS_TPOFF 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 because variable is referenced through @gotntpoff too
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[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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[0-9a-f]+: 03 83 e4 ff ff ff[ ]+add -0x1c\(%ebx\),%eax
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# ->R_386_TLS_TPOFF 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]+: 8b 83 e4 ff ff ff[ ]+mov -0x1c\(%ebx\),%eax
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# ->R_386_TLS_TPOFF 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 because variable is referenced through @gottpoff too
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[0-9a-f]+: 8b 83 f4 ff ff ff[ ]+mov -0xc\(%ebx\),%eax
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# ->R_386_TLS_TPOFF32 sG6
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[0-9a-f]+: f7 d8[ ]+neg %eax
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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]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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[0-9a-f]+: 2b 83 f4 ff ff ff[ ]+sub -0xc\(%ebx\),%eax
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# ->R_386_TLS_TPOFF32 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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# @gotntpoff IE against global var
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[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
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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]+: 03 8b e4 ff ff ff[ ]+add -0x1c\(%ebx\),%ecx
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# ->R_386_TLS_TPOFF 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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# @gottpoff IE against global var
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[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
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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]+: 2b 8b f4 ff ff ff[ ]+sub -0xc\(%ebx\),%ecx
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# ->R_386_TLS_TPOFF32 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]+: 8b 5d fc[ ]+mov -0x4\(%ebp\),%ebx
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[0-9a-f]+: c9[ ]+leave *
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[0-9a-f]+: c3[ ]+ret *
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