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.
230 lines
7.3 KiB
Text
230 lines
7.3 KiB
Text
#source: tlspic1.s
|
|
#source: tlspic2.s
|
|
#as: --64
|
|
#ld: -shared -melf_x86_64 --no-ld-generated-unwind-info
|
|
#objdump: -drj.text
|
|
#target: x86_64-*-*
|
|
|
|
.*: +file format elf64-x86-64
|
|
|
|
Disassembly of section .text:
|
|
|
|
0+1000 <fn1>:
|
|
+1000: 55[ ]+push %rbp
|
|
+1001: 48 89 e5[ ]+mov %rsp,%rbp
|
|
+1004: 90[ ]+nop *
|
|
+1005: 90[ ]+nop *
|
|
+1006: 90[ ]+nop *
|
|
+1007: 90[ ]+nop *
|
|
# GD
|
|
+1008: 66 48 8d 3d 80 03 20[ ]+data32 lea 0x200380\(%rip\),%rdi +# 201390 <.*>
|
|
+100f: 00 *
|
|
# -> R_X86_64_DTPMOD64 sg1
|
|
+1010: 66 66 48 e8 [0-9a-f ]+data32 data32 callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+1017: [0-9a-f ]+
|
|
+1018: 90[ ]+nop *
|
|
+1019: 90[ ]+nop *
|
|
+101a: 90[ ]+nop *
|
|
+101b: 90[ ]+nop *
|
|
# GD -> IE because variable is referenced through IE too
|
|
+101c: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
|
|
+1023: 00 00 *
|
|
+1025: 48 03 05 84 03 20 00[ ]+add 0x200384\(%rip\),%rax +# 2013b0 <.*>
|
|
# -> R_X86_64_TPOFF64 sg2
|
|
+102c: 90[ ]+nop *
|
|
+102d: 90[ ]+nop *
|
|
+102e: 90[ ]+nop *
|
|
+102f: 90[ ]+nop *
|
|
# GD against local variable
|
|
+1030: 66 48 8d 3d 08 03 20[ ]+data32 lea 0x200308\(%rip\),%rdi +# 201340 <.*>
|
|
+1037: 00 *
|
|
# -> R_X86_64_DTPMOD64 [0 0x2000000000000000]
|
|
+1038: 66 66 48 e8 [0-9a-f ]+data32 data32 callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+103f: [0-9a-f ]+
|
|
+1040: 90[ ]+nop *
|
|
+1041: 90[ ]+nop *
|
|
+1042: 90[ ]+nop *
|
|
+1043: 90[ ]+nop *
|
|
# GD -> IE against local variable referenced through IE too
|
|
+1044: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
|
|
+104b: 00 00 *
|
|
+104d: 48 03 05 fc 02 20 00[ ]+add 0x2002fc\(%rip\),%rax +# 201350 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x24
|
|
+1054: 90[ ]+nop *
|
|
+1055: 90[ ]+nop *
|
|
+1056: 90[ ]+nop *
|
|
+1057: 90[ ]+nop *
|
|
# GD against hidden and local variable
|
|
+1058: 66 48 8d 3d 58 03 20[ ]+data32 lea 0x200358\(%rip\),%rdi +# 2013b8 <.*>
|
|
+105f: 00 *
|
|
# -> R_X86_64_DTPMOD64 [0 0x4000000000000000]
|
|
+1060: 66 66 48 e8 [0-9a-f ]+data32 data32 callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+1067: [0-9a-f ]+
|
|
+1068: 90[ ]+nop *
|
|
+1069: 90[ ]+nop *
|
|
+106a: 90[ ]+nop *
|
|
+106b: 90[ ]+nop *
|
|
# GD -> IE against hidden and local variable referenced through IE too
|
|
+106c: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
|
|
+1073: 00 00 *
|
|
+1075: 48 03 05 4c 03 20 00[ ]+add 0x20034c\(%rip\),%rax +# 2013c8 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x44
|
|
+107c: 90[ ]+nop *
|
|
+107d: 90[ ]+nop *
|
|
+107e: 90[ ]+nop *
|
|
+107f: 90[ ]+nop *
|
|
# GD against hidden but not local variable
|
|
+1080: 66 48 8d 3d e8 02 20[ ]+data32 lea 0x2002e8\(%rip\),%rdi +# 201370 <.*>
|
|
+1087: 00 *
|
|
# -> R_X86_64_DTPMOD64 [0 0x6000000000000000]
|
|
+1088: 66 66 48 e8 [0-9a-f ]+data32 data32 callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+108f: [0-9a-f ]+
|
|
+1090: 90[ ]+nop *
|
|
+1091: 90[ ]+nop *
|
|
+1092: 90[ ]+nop *
|
|
+1093: 90[ ]+nop *
|
|
# GD -> IE against hidden but not local variable referenced through IE too
|
|
+1094: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
|
|
+109b: 00 00 *
|
|
+109d: 48 03 05 dc 02 20 00[ ]+add 0x2002dc\(%rip\),%rax +# 201380 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x64
|
|
+10a4: 90[ ]+nop *
|
|
+10a5: 90[ ]+nop *
|
|
+10a6: 90[ ]+nop *
|
|
+10a7: 90[ ]+nop *
|
|
# LD
|
|
+10a8: 48 8d 3d b1 02 20 00[ ]+lea 0x2002b1\(%rip\),%rdi +# 201360 <.*>
|
|
# -> R_X86_64_DTPMOD64 [0 0x000000000000000]
|
|
+10af: e8 [0-9a-f ]+callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+10b4: 90[ ]+nop *
|
|
+10b5: 90[ ]+nop *
|
|
+10b6: 48 8d 90 20 00 00 00[ ]+lea 0x20\(%rax\),%rdx
|
|
+10bd: 90[ ]+nop *
|
|
+10be: 90[ ]+nop *
|
|
+10bf: 4c 8d 88 26 00 00 00[ ]+lea 0x26\(%rax\),%r9
|
|
+10c6: 90[ ]+nop *
|
|
+10c7: 90[ ]+nop *
|
|
+10c8: 90[ ]+nop *
|
|
+10c9: 90[ ]+nop *
|
|
# LD against hidden and local variables
|
|
+10ca: 48 8d 3d 8f 02 20 00[ ]+lea 0x20028f\(%rip\),%rdi +# 201360 <.*>
|
|
# -> R_X86_64_DTPMOD64 [0 0x000000000000000]
|
|
+10d1: e8 [0-9a-f ]+callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+10d6: 90[ ]+nop *
|
|
+10d7: 90[ ]+nop *
|
|
+10d8: 48 8d 90 40 00 00 00[ ]+lea 0x40\(%rax\),%rdx
|
|
+10df: 90[ ]+nop *
|
|
+10e0: 90[ ]+nop *
|
|
+10e1: 48 8d 88 47 00 00 00[ ]+lea 0x47\(%rax\),%rcx
|
|
+10e8: 90[ ]+nop *
|
|
+10e9: 90[ ]+nop *
|
|
+10ea: 90[ ]+nop *
|
|
+10eb: 90[ ]+nop *
|
|
# LD against hidden but not local variables
|
|
+10ec: 48 8d 3d 6d 02 20 00[ ]+lea 0x20026d\(%rip\),%rdi +# 201360 <.*>
|
|
# -> R_X86_64_DTPMOD64 [0 0x000000000000000]
|
|
+10f3: e8 [0-9a-f ]+callq [0-9a-f]+ <.*>
|
|
# -> R_X86_64_JUMP_SLOT __tls_get_addr
|
|
+10f8: 90[ ]+nop *
|
|
+10f9: 90[ ]+nop *
|
|
+10fa: 4c 8d a0 60 00 00 00[ ]+lea 0x60\(%rax\),%r12
|
|
+1101: 90[ ]+nop *
|
|
+1102: 90[ ]+nop *
|
|
+1103: 48 8d 88 65 00 00 00[ ]+lea 0x65\(%rax\),%rcx
|
|
+110a: 90[ ]+nop *
|
|
+110b: 90[ ]+nop *
|
|
# IE against global var
|
|
+110c: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
|
|
+1113: 00 00 *
|
|
+1115: 90[ ]+nop *
|
|
+1116: 90[ ]+nop *
|
|
+1117: 48 03 0d 92 02 20 00[ ]+add 0x200292\(%rip\),%rcx +# 2013b0 <.*>
|
|
# -> R_X86_64_TPOFF64 sg2
|
|
+111e: 90[ ]+nop *
|
|
+111f: 90[ ]+nop *
|
|
+1120: 90[ ]+nop *
|
|
+1121: 90[ ]+nop *
|
|
# IE against local var
|
|
+1122: 64 4c 8b 34 25 00 00[ ]+mov %fs:0x0,%r14
|
|
+1129: 00 00 *
|
|
+112b: 90[ ]+nop *
|
|
+112c: 90[ ]+nop *
|
|
+112d: 4c 03 35 1c 02 20 00[ ]+add 0x20021c\(%rip\),%r14 +# 201350 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x24
|
|
+1134: 90[ ]+nop *
|
|
+1135: 90[ ]+nop *
|
|
+1136: 90[ ]+nop *
|
|
+1137: 90[ ]+nop *
|
|
# IE against hidden and local var
|
|
+1138: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
|
|
+113f: 00 00 *
|
|
+1141: 90[ ]+nop *
|
|
+1142: 90[ ]+nop *
|
|
+1143: 48 03 0d 7e 02 20 00[ ]+add 0x20027e\(%rip\),%rcx +# 2013c8 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x44
|
|
+114a: 90[ ]+nop *
|
|
+114b: 90[ ]+nop *
|
|
+114c: 90[ ]+nop *
|
|
+114d: 90[ ]+nop *
|
|
# IE against hidden but not local var
|
|
+114e: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
|
|
+1155: 00 00 *
|
|
+1157: 90[ ]+nop *
|
|
+1158: 90[ ]+nop *
|
|
+1159: 48 03 0d 20 02 20 00[ ]+add 0x200220\(%rip\),%rcx +# 201380 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x64
|
|
+1160: 90[ ]+nop *
|
|
+1161: 90[ ]+nop *
|
|
+1162: 90[ ]+nop *
|
|
+1163: 90[ ]+nop *
|
|
# Direct access through %fs
|
|
# IE against global var
|
|
+1164: 48 8b 0d 1d 02 20 00[ ]+mov 0x20021d\(%rip\),%rcx +# 201388 <.*>
|
|
# -> R_X86_64_TPOFF64 sg5
|
|
+116b: 90[ ]+nop *
|
|
+116c: 90[ ]+nop *
|
|
+116d: 64 48 8b 11[ ]+mov %fs:\(%rcx\),%rdx
|
|
+1171: 90[ ]+nop *
|
|
+1172: 90[ ]+nop *
|
|
+1173: 90[ ]+nop *
|
|
+1174: 90[ ]+nop *
|
|
# IE against local var
|
|
+1175: 4c 8b 15 dc 01 20 00[ ]+mov 0x2001dc\(%rip\),%r10 +# 201358 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x30
|
|
+117c: 90[ ]+nop *
|
|
+117d: 90[ ]+nop *
|
|
+117e: 64 4d 8b 22[ ]+mov %fs:\(%r10\),%r12
|
|
+1182: 90[ ]+nop *
|
|
+1183: 90[ ]+nop *
|
|
+1184: 90[ ]+nop *
|
|
+1185: 90[ ]+nop *
|
|
# IE against hidden and local var
|
|
+1186: 48 8b 15 13 02 20 00[ ]+mov 0x200213\(%rip\),%rdx +# 2013a0 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x50
|
|
+118d: 90[ ]+nop *
|
|
+118e: 90[ ]+nop *
|
|
+118f: 64 48 8b 12[ ]+mov %fs:\(%rdx\),%rdx
|
|
+1193: 90[ ]+nop *
|
|
+1194: 90[ ]+nop *
|
|
+1195: 90[ ]+nop *
|
|
+1196: 90[ ]+nop *
|
|
# IE against hidden but not local var
|
|
+1197: 48 8b 0d 0a 02 20 00[ ]+mov 0x20020a\(%rip\),%rcx +# 2013a8 <.*>
|
|
# -> R_X86_64_TPOFF64 *ABS*+0x70
|
|
+119e: 90[ ]+nop *
|
|
+119f: 90[ ]+nop *
|
|
+11a0: 64 48 8b 11[ ]+mov %fs:\(%rcx\),%rdx
|
|
+11a4: 90[ ]+nop *
|
|
+11a5: 90[ ]+nop *
|
|
+11a6: 90[ ]+nop *
|
|
+11a7: 90[ ]+nop *
|
|
+11a8: c9[ ]+leaveq *
|
|
+11a9: c3[ ]+retq *
|
|
+11aa: 90[ ]+nop *
|
|
+11ab: 90[ ]+nop *
|