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.
161 lines
4.6 KiB
Text
161 lines
4.6 KiB
Text
#source: tlsnopic1.s
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#source: tlsnopic2.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+1000 <fn3>:
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1000: 55[ ]+push %ebp
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1001: 89 e5[ ]+mov %esp,%ebp
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# @indntpoff IE against global var
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1003: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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1009: 90[ ]+nop *
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100a: 90[ ]+nop *
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100b: 03 05 7c 21 00 00[ ]+add 0x217c,%eax
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# ->R_386_TLS_TPOFF sg1
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1011: 90[ ]+nop *
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1012: 90[ ]+nop *
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1013: 90[ ]+nop *
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1014: 90[ ]+nop *
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# @indntpoff direct %gs access IE against global var
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1015: 8b 15 80 21 00 00[ ]+mov 0x2180,%edx
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# ->R_386_TLS_TPOFF sg2
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101b: 90[ ]+nop *
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101c: 90[ ]+nop *
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101d: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
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1020: 90[ ]+nop *
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1021: 90[ ]+nop *
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1022: 90[ ]+nop *
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1023: 90[ ]+nop *
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# @indntpoff IE against hidden var
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1024: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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102a: 90[ ]+nop *
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102b: 90[ ]+nop *
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102c: 03 05 84 21 00 00[ ]+add 0x2184,%eax
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# ->R_386_TLS_TPOFF [0x14000000]
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1032: 90[ ]+nop *
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1033: 90[ ]+nop *
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1034: 90[ ]+nop *
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1035: 90[ ]+nop *
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# @indntpoff direct %gs access IE against hidden var
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1036: 8b 15 88 21 00 00[ ]+mov 0x2188,%edx
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# ->R_386_TLS_TPOFF [0x18000000]
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103c: 90[ ]+nop *
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103d: 90[ ]+nop *
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103e: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
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1041: 90[ ]+nop *
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1042: 90[ ]+nop *
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1043: 90[ ]+nop *
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1044: 90[ ]+nop *
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# @indntpoff IE against local var
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1045: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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104b: 90[ ]+nop *
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104c: 90[ ]+nop *
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104d: 03 05 74 21 00 00[ ]+add 0x2174,%eax
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# ->R_386_TLS_TPOFF [0x00000000]
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1053: 90[ ]+nop *
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1054: 90[ ]+nop *
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1055: 90[ ]+nop *
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1056: 90[ ]+nop *
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# @indntpoff direct %gs access IE against local var
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1057: 8b 15 78 21 00 00[ ]+mov 0x2178,%edx
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# ->R_386_TLS_TPOFF [0x04000000]
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105d: 90[ ]+nop *
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105e: 90[ ]+nop *
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105f: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
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1062: 90[ ]+nop *
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1063: 90[ ]+nop *
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1064: 90[ ]+nop *
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1065: 90[ ]+nop *
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# LE @tpoff, global var
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1066: ba fd ff ff ff[ ]+mov \$0xfffffffd,%edx
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# R_386_TLS_TPOFF32 sg3
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106b: 90[ ]+nop *
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106c: 90[ ]+nop *
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106d: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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1073: 90[ ]+nop *
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1074: 90[ ]+nop *
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1075: 29 d0[ ]+sub %edx,%eax
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1077: 90[ ]+nop *
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1078: 90[ ]+nop *
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1079: 90[ ]+nop *
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107a: 90[ ]+nop *
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# LE @tpoff, local var
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107b: b8 f7 ff ff ff[ ]+mov \$0xfffffff7,%eax
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# R_386_TLS_TPOFF32
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1080: 90[ ]+nop *
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1081: 90[ ]+nop *
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1082: 65 8b 15 00 00 00 00 mov %gs:0x0,%edx
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1089: 90[ ]+nop *
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108a: 90[ ]+nop *
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108b: 29 c2[ ]+sub %eax,%edx
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108d: 90[ ]+nop *
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108e: 90[ ]+nop *
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108f: 90[ ]+nop *
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1090: 90[ ]+nop *
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# LE @ntpoff, global var
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1091: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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1097: 90[ ]+nop *
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1098: 90[ ]+nop *
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1099: 8d 90 02 00 00 00[ ]+lea 0x2\(%eax\),%edx
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# R_386_TLS_TPOFF sg4
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109f: 90[ ]+nop *
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10a0: 90[ ]+nop *
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10a1: 90[ ]+nop *
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10a2: 90[ ]+nop *
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# LE @ntpoff, hidden var, non-canonical sequence
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10a3: b8 1c 00 00 00[ ]+mov \$0x1c,%eax
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# R_386_TLS_TPOFF
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10a8: 90[ ]+nop *
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10a9: 90[ ]+nop *
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10aa: 65 8b 15 00 00 00 00 mov %gs:0x0,%edx
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10b1: 90[ ]+nop *
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10b2: 90[ ]+nop *
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10b3: 01 c2[ ]+add %eax,%edx
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10b5: 90[ ]+nop *
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10b6: 90[ ]+nop *
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10b7: 90[ ]+nop *
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10b8: 90[ ]+nop *
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# LE @ntpoff, local var, non-canonical sequence
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10b9: 65 8b 15 00 00 00 00 mov %gs:0x0,%edx
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10c0: 90[ ]+nop *
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10c1: 90[ ]+nop *
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10c2: 81 c2 0d 00 00 00[ ]+add \$0xd,%edx
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# R_386_TLS_TPOFF
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10c8: 90[ ]+nop *
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10c9: 90[ ]+nop *
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10ca: 90[ ]+nop *
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10cb: 90[ ]+nop *
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# Direct %gs access
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# LE @ntpoff, global var
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10cc: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
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# R_386_TLS_TPOFF sg5
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10d2: 90[ ]+nop *
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10d3: 90[ ]+nop *
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10d4: 90[ ]+nop *
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10d5: 90[ ]+nop *
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# LE @ntpoff, local var
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10d6: 65 8b 15 13 00 00 00 mov %gs:0x13,%edx
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# R_386_TLS_TPOFF
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10dd: 90[ ]+nop *
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10de: 90[ ]+nop *
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10df: 90[ ]+nop *
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10e0: 90[ ]+nop *
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# LE @ntpoff, hidden var
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10e1: 65 8b 15 21 00 00 00 mov %gs:0x21,%edx
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# R_386_TLS_TPOFF
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10e8: 90[ ]+nop *
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10e9: 90[ ]+nop *
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10ea: 90[ ]+nop *
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10eb: 90[ ]+nop *
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10ec: 8b 5d fc[ ]+mov -0x4\(%ebp\),%ebx
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10ef: c9[ ]+leave *
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10f0: c3[ ]+ret *
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10f1: 90[ ]+nop *
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10f2: 90[ ]+nop *
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10f3: 90[ ]+nop *
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