Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

#source: tlsbinpic2.s
#source: tlsbin.s
#as: --64
#ld: -shared -melf_x86_64 --no-ld-generated-unwind-info
#objdump: -drj.text
#target: x86_64-*-*

# PT_TLS layout is:
# Offset from   Offset from     Name
# TCB base      TCB end
# 0x00          -0xa0           sg1..sg8
# 0x20          -0x80           sl1..sl8
# 0x40          -0x60           sh1..sh8
# 0x60          -0x40           bg1..bg8
# 0x80          -0x20           bl1..bl8

.*: +file format elf64-x86-64.*

Disassembly of section .text:

[0-9a-f]+ <fn2>:
 +[0-9a-f]+:	55[ 	]+push   %rbp
 +[0-9a-f]+:	48 89 e5[ 	]+mov    %rsp,%rbp
#  GD -> IE because variable is not defined in executable
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	48 03 05 ([0-9a-f]{2} ){4}[ 	]+add    0x[0-9a-f]+\(%rip\),%rax +# [0-9a-f]+ <.*>
#				-> R_X86_64_TPOFF64	sG1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  GD -> IE because variable is not defined in executable where
#  the variable is referenced through IE too
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	48 03 05 ([0-9a-f]{2} ){4}[ 	]+add    0x[0-9a-f]+\(%rip\),%rax +# [0-9a-f]+ <.*>
#				-> R_X86_64_TPOFF64	sG2
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  GD -> LE with global variable defined in executable
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	48 8d 80 60 ff ff ff[ 	]+lea    -0xa0\(%rax\),%rax
#							sg1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  GD -> LE with local variable defined in executable
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	48 8d 80 80 ff ff ff[ 	]+lea    -0x80\(%rax\),%rax
#							sl1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  GD -> LE with hidden variable defined in executable
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	48 8d 80 a0 ff ff ff[ 	]+lea    -0x60\(%rax\),%rax
#							sh1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LD -> LE
 +[0-9a-f]+:	66 66 66 66 64 48 8b[ 	]+data16 data16 data16 data16 mov %fs:0x0,%rax
 +[0-9a-f]+:	04 25 00 00 00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 90 81 ff ff ff[ 	]+lea    -0x7f\(%rax\),%rdx
#							sl1+1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	4c 8d 88 86 ff ff ff[ 	]+lea    -0x7a\(%rax\),%r9
#							sl2+2
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LD -> LE against hidden variables
 +[0-9a-f]+:	66 66 66 66 64 48 8b[ 	]+data16 data16 data16 data16 mov %fs:0x0,%rax
 +[0-9a-f]+:	04 25 00 00 00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 90 a0 ff ff ff[ 	]+lea    -0x60\(%rax\),%rdx
#							sh1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 88 a7 ff ff ff[ 	]+lea    -0x59\(%rax\),%rcx
#							sh2+3
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE against global var
 +[0-9a-f]+:	64 4c 8b 0c 25 00 00[ 	]+mov    %fs:0x0,%r9
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	4c 03 0d ([0-9a-f]{2} ){4}[ 	]+add    0x[0-9a-f]+\(%rip\),%r9 +# [0-9a-f]+ <.*>
#				-> R_X86_64_TPOFF64	sG2
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against global var defined in exec
 +[0-9a-f]+:	64 4c 8b 14 25 00 00[ 	]+mov    %fs:0x0,%r10
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	4d 8d 92 60 ff ff ff[ 	]+lea    -0xa0\(%r10\),%r10
#							sg1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against local var
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 80 80 ff ff ff[ 	]+lea    -0x80\(%rax\),%rax
#							sl1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against hidden var
 +[0-9a-f]+:	64 48 8b 0c 25 00 00[ 	]+mov    %fs:0x0,%rcx
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 89 a0 ff ff ff[ 	]+lea    -0x60\(%rcx\),%rcx
#							sh1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  Direct access through %fs
#  IE against global var
 +[0-9a-f]+:	48 8b 0d ([0-9a-f]{2} ){4}[ 	]+mov    0x[0-9a-f]+\(%rip\),%rcx +# [0-9a-f]+ <.*>
#				-> R_X86_64_TPOFF64	sG5
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 48 8b 11[ 	]+mov    %fs:\(%rcx\),%rdx
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE->LE against local var
 +[0-9a-f]+:	49 c7 c3 90 ff ff ff[ 	]+mov    \$0xf+90,%r11
#							sl5
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 4d 8b 23[ 	]+mov    %fs:\(%r11\),%r12
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE->LE against hidden var
 +[0-9a-f]+:	48 c7 c2 b0 ff ff ff[ 	]+mov    \$0xf+b0,%rdx
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 48 8b 12[ 	]+mov    %fs:\(%rdx\),%rdx
#							sh5
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	c9[ 	]+leave *
 +[0-9a-f]+:	c3[ 	]+ret *

[0-9a-f]+ <_start>:
 +[0-9a-f]+:	55[ 	]+push   %rbp
 +[0-9a-f]+:	48 89 e5[ 	]+mov    %rsp,%rbp
#  IE against global var
 +[0-9a-f]+:	64 4c 8b 1c 25 00 00[ 	]+mov    %fs:0x0,%r11
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	4c 03 1d ([0-9a-f]{2} ){4}[ 	]+add    0x[0-9a-f]+\(%rip\),%r11 +# [0-9a-f]+ <.*>
#				-> R_X86_64_TPOFF64	sG6
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against global var defined in exec
 +[0-9a-f]+:	64 48 8b 14 25 00 00[ 	]+mov    %fs:0x0,%rdx
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 92 d4 ff ff ff[ 	]+lea    -0x2c\(%rdx\),%rdx
#							bg6
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against local var
 +[0-9a-f]+:	64 4c 8b 24 25 00 00[ 	]+mov    %fs:0x0,%r12
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	49 81 c4 f4 ff ff ff[ 	]+add    \$0xf+f4,%r12
#							bl6
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  direct %fs access IE -> LE against local var
 +[0-9a-f]+:	48 c7 c2 fc ff ff ff[ 	]+mov    \$0xf+fc,%rdx
#							bl8
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 48 8b 02[ 	]+mov    %fs:\(%rdx\),%rax
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  IE -> LE against hidden but not local var
 +[0-9a-f]+:	64 48 8b 14 25 00 00[ 	]+mov    %fs:0x0,%rdx
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 92 b4 ff ff ff[ 	]+lea    -0x4c\(%rdx\),%rdx
#							sh6
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  direct %fs access IE -> LE against hidden but not local var
 +[0-9a-f]+:	48 c7 c2 bc ff ff ff[ 	]+mov    \$0xf+bc,%rdx
#							sh8
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 48 8b 02[ 	]+mov    %fs:\(%rdx\),%rax
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, global var defined in exec
 +[0-9a-f]+:	64 48 8b 04 25 00 00[ 	]+mov    %fs:0x0,%rax
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 8d 90 64 ff ff ff[ 	]+lea    -0x9c\(%rax\),%rdx
#							sg2
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, local var, non-canonical sequence
 +[0-9a-f]+:	49 c7 c1 e6 ff ff ff[ 	]+mov    \$0xf+e6,%r9
#							bl2+2
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	64 48 8b 14 25 00 00[ 	]+mov    %fs:0x0,%rdx
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	4c 01 ca[ 	]+add    %r9,%rdx
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, hidden var defined in exec, non-canonical sequence
 +[0-9a-f]+:	64 48 8b 14 25 00 00[ 	]+mov    %fs:0x0,%rdx
 +[0-9a-f]+:	00 00 *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	48 81 c2 a5 ff ff ff[ 	]+add    \$0xf+a5,%rdx
#							sh2+1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  Direct %fs access
#  LE, global var defined in exec
 +[0-9a-f]+:	64 48 8b 04 25 68 ff[ 	]+mov    %fs:0xf+68,%rax
 +[0-9a-f]+:	ff ff *
#							sg3
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, local var
 +[0-9a-f]+:	64 4c 8b 14 25 eb ff[ 	]+mov    %fs:0xf+eb,%r10
 +[0-9a-f]+:	ff ff *
#							bl3+3
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, hidden var defined in exec
 +[0-9a-f]+:	64 48 8b 14 25 a9 ff[ 	]+mov    %fs:0xf+a9,%rdx
 +[0-9a-f]+:	ff ff *
#							sh3+1
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
 +[0-9a-f]+:	90[ 	]+nop *
#  LE, large model
 +[0-9a-f]+:	48 ba a5 ff ff ff ff[ 	]+movabs \$0xffffffffffffffa5,%rdx
 +[0-9a-f]+:	ff ff ff *
 +[0-9a-f]+:	c9[ 	]+leave *
 +[0-9a-f]+:	c3[ 	]+ret *