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binutils-gdb/ld/testsuite/ld-x86-64/tlsbindesc.dd
H.J. Lu a533c8df59 x86-64: Add R_X86_64_CODE_4_GOTTPOFF/R_X86_64_CODE_4_GOTPC32_TLSDESC 
For

	add	name@gottpoff(%rip), %reg
	mov	name@gottpoff(%rip), %reg

add

 # define R_X86_64_CODE_4_GOTTPOFF	44

and for

	lea	name@tlsdesc(%rip), %reg

add

 # define R_X86_64_CODE_4_GOTPC32_TLSDESC	45

if the instruction starts at 4 bytes before the relocation offset.
They are similar to R_X86_64_GOTTPOFF and R_X86_64_GOTPC32_TLSDESC,
respectively.  Linker can covert GOTTPOFF to

	add	$name@tpoff, %reg
	mov	$name@tpoff, %reg

and GOTPC32_TLSDESC to

	mov	$name@tpoff, %reg
	mov	name@gottpoff(%rip), %reg

if the instruction is encoded with the REX2 prefix when possible.

bfd/

	* elf64-x86-64.c (x86_64_elf_howto_table): Add
	R_X86_64_CODE_4_GOTTPOFF and R_X86_64_CODE_4_GOTPC32_TLSDESC.
	(R_X86_64_standard): Updated.
	(x86_64_reloc_map): Add BFD_RELOC_X86_64_CODE_4_GOTTPOFF
	and BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC.
	(elf_x86_64_check_tls_transition): Handle R_X86_64_CODE_4_GOTTPOFF
	and R_X86_64_CODE_4_GOTPC32_TLSDESC.
	(elf_x86_64_tls_transition): Likewise.
	(elf_x86_64_scan_relocs): Likewise.
	(elf_x86_64_relocate_section): Likewise.
	* reloc.c (bfd_reloc_code_real): Add
	BFD_RELOC_X86_64_CODE_4_GOTTPOFF and
	BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC.
	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

gas/

	* config/tc-i386.c (tc_i386_fix_adjustable): Handle
	BFD_RELOC_X86_64_CODE_4_GOTTPOFF and
	BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC.
	(md_assemble): Handle BFD_RELOC_X86_64_CODE_4_GOTTPOFF.
	(output_insn): Don't add empty REX prefix with REX2 prefix.
	(output_disp): Handle BFD_RELOC_X86_64_CODE_4_GOTTPOFF and
	BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC.
	(md_apply_fix): Likewise.
	(i386_validate_fix): Generate BFD_RELOC_X86_64_CODE_4_GOTTPOFF or
	BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC if ixp->fx_tcbit3 is set.
	(tc_gen_reloc): Handle BFD_RELOC_X86_64_CODE_4_GOTTPOFF and
	BFD_RELOC_X86_64_CODE_4_GOTPC32_TLSDESC.
	* testsuite/gas/i386/x86-64-gottpoff.d: New file.
	* testsuite/gas/i386/x86-64-gottpoff.s: Likewise.
	* testsuite/gas/i386/x86-64-tlsdesc.d: Likewise.
	* testsuite/gas/i386/x86-64-tlsdesc.s: Likewise.

include/

	* elf/x86-64.h (elf_x86_64_reloc_type): Add
	R_X86_64_CODE_4_GOTTPOFF and R_X86_64_CODE_4_GOTPC32_TLSDESC

ld/

	* testsuite/ld-x86-64/tlsbindesc.d: Updated.
	* testsuite/ld-x86-64/tlsbindesc.rd: Likewise.
	* testsuite/ld-x86-64/tlsbindesc.s: Add R_X86_64_CODE_4_GOTTPOFF
	and R_X86_64_CODE_4_GOTPC32_TLSDESC tests.
2023-12-28 08:47:17 -08:00

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#source: tlsbindesc.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]+: 48 8b 05 ([0-9a-f]{2} ){4}[ ]+mov 0x[0-9a-f]+\(%rip\),%rax +# [0-9a-f]+ <.*>
# -> R_X86_64_TPOFF64 sG1
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 48 8b 05 ([0-9a-f]{2} ){4}[ ]+mov 0x[0-9a-f]+\(%rip\),%rax +# [0-9a-f]+ <.*>
# -> R_X86_64_TPOFF64 sG2
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 48 c7 c0 60 ff ff ff[ ]+mov \$0xf+60,%rax
# sg1
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 48 c7 c0 80 ff ff ff[ ]+mov \$0xf+80,%rax
# sl1
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 48 c7 c0 a0 ff ff ff[ ]+mov \$0xf+a0,%rax
# sh1
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 48 c7 c0 00 00 00 00[ ]+mov \$0x0,%rax
+[0-9a-f]+: 66 90[ ]+xchg %ax,%ax
+[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]+: 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 *
# IE against global var
+[0-9a-f]+: d5 48 03 05 ([0-9a-f]{2} ){3}[ ]+add 0x[0-9a-f]+\(%rip\),%r16 +# [0-9a-f]+ <sG2>
# -> R_X86_64_TPOFF64 sG2
+[0-9a-f]+: 00 *
# IE -> LE against global var defined in exec
+[0-9a-f]+: d5 18 81 c1 60 ff ff[ ]+add \$0xf+60,%r17
# sg1
+[0-9a-f]+: ff *
# IE -> LE against local var
+[0-9a-f]+: d5 18 81 c2 80 ff ff[ ]+add \$0xf+80,%r18
# sl1
+[0-9a-f]+: ff *
# IE -> LE against hidden var
+[0-9a-f]+: d5 18 81 c3 a0 ff ff[ ]+add \$0xf+a0,%r19
# sh1
+[0-9a-f]+: ff *
# Direct access through %fs
# IE against global var
+[0-9a-f]+: d5 48 8b 25 ([0-9a-f]{2} ){3}[ ]+mov 0x[0-9a-f]+\(%rip\),%r20 +# [0-9a-f]+ <sG5>
# -> R_X86_64_TPOFF64 sG5
+[0-9a-f]+: 00 *
# IE->LE against local var
+[0-9a-f]+: d5 18 c7 c5 90 ff ff[ ]+mov \$0xf+90,%r21
# sl5
+[0-9a-f]+: ff *
# IE->LE against hidden var
+[0-9a-f]+: d5 18 c7 c6 b0 ff ff[ ]+mov \$0xf+b0,%r22
+[0-9a-f]+: ff *
# GD -> IE because variable is not defined in executable
+[0-9a-f]+: d5 48 8b 05 ([0-9a-f]{2} ){3}[ ]+mov 0x[0-9a-f]+\(%rip\),%r16 +# [0-9a-f]+ <sG1>
# -> R_X86_64_TPOFF64 sG1
+[0-9a-f]+: 00 *
# GD -> IE because variable is not defined in executable where
# the variable is referenced through IE too
+[0-9a-f]+: d5 48 8b 0d ([0-9a-f]{2} ){3}[ ]+mov 0x[0-9a-f]+\(%rip\),%r17 +# [0-9a-f]+ <sG2>
# -> R_X86_64_TPOFF64 sG2
+[0-9a-f]+: 00 *
# GD -> LE with global variable defined in executable
+[0-9a-f]+: d5 18 c7 c2 60 ff ff[ ]+mov \$0xf+60,%r18
# sg1
+[0-9a-f]+: ff *
# GD -> LE with local variable defined in executable
+[0-9a-f]+: d5 18 c7 c3 80 ff ff[ ]+mov \$0xf+80,%r19
# sl1
+[0-9a-f]+: ff *
# GD -> LE with hidden variable defined in executable
+[0-9a-f]+: d5 18 c7 c4 a0 ff ff[ ]+mov \$0xf+a0,%r20
# sh1
+[0-9a-f]+: ff *
[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 *
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