include/elf/ChangeLog:

Introduce TLS descriptors for i386 and x86_64.
* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
New.
* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
R_X86_64_TLSDESC): New.
bfd/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC,
BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New.
* libbfd.h, bfd-in2.h: Rebuilt.
* elf32-i386.c (elf_howto_table): New relocations.
(R_386_tls): Adjust.
(elf_i386_reloc_type_lookup): Map new relocations.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf_i386_link_hash_entry): Add tlsdesc_got field.
(struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field.
(elf_i386_local_tlsdesc_gotent): New macro.
(struct elf_i386_link_hash_table): Add sgotplt_jump_table_size.
(elf_i386_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf_i386_link_hash_table_create): Set sgotplt_jump_table_size.
(elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf_i386_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size.
Don't zero reloc_count in srelplt.
(elf_i386_always_size_sections): New.  Set up _TLS_MODULE_BASE_.
(elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf_backend_always_size_sections): Define.
* elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC,
R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL.
(R_X86_64_standard): Adjust.
(x86_64_reloc_map): Map new relocs.
(elf64_x86_64_rtype_to_howto): New, split out of...
(elf64_x86_64_info_to_howto): ... this function, and...
(elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field.
(struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field.
(elf64_x86_64_local_tlsdesc_gotent): New macro.
(struct elf64_x86_64_link_hash_table): Add tlsdesc_plt,
tlsdesc_got and sgotplt_jump_table_size fields.
(elf64_x86_64_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf64_x86_64_link_hash_table_create): Initialize new fields.
(elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(elf64_x86_64_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf64_x86_64_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size,
tlsdesc_plt and tlsdesc_got.  Make room for them.  Don't zero
reloc_count in srelplt.  Add dynamic entries for DT_TLSDESC_PLT
and DT_TLSDESC_GOT.
(elf64_x86_64_always_size_sections): New.  Set up
_TLS_MODULE_BASE_.
(elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and
DT_TLSDESC_GOT.  Set up TLS descriptor lazy resolver PLT entry.
(elf_backend_always_size_sections): Define.
binutils/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* readelf.c (get_dynamic_type): Handle DT_TLSDESC_GOT and
DT_TLSDESC_PLT.
gas/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* config/tc-i386.c (tc_i386_fix_adjustable): Handle
BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL.
(optimize_disp): Emit fix up for BFD_RELOC_386_TLS_DESC_CALL and
BFD_RELOC_X86_64_TLSDESC_CALL immediately, and clear the
displacement bits.
(build_modrm_byte): Set up zero modrm for TLS desc calls.
(lex_got): Handle @tlsdesc and @tlscall.
(md_apply_fix, tc_gen_reloc): Handle the new relocations.
ld/testsuite/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* ld-i386/i386.exp: Run on x86_64-*-linux* and amd64-*-linux*.
Add new tests.
* ld-i386/pcrel16.d: Add -melf_i386.
* ld-i386/pcrel8.d: Likewise.
* ld-i386/tlsbindesc.dd: New.
* ld-i386/tlsbindesc.rd: New.
* ld-i386/tlsbindesc.s: New.
* ld-i386/tlsbindesc.sd: New.
* ld-i386/tlsbindesc.td: New.
* ld-i386/tlsdesc.dd: New.
* ld-i386/tlsdesc.rd: New.
* ld-i386/tlsdesc.s: New.
* ld-i386/tlsdesc.sd: New.
* ld-i386/tlsdesc.td: New.
* ld-i386/tlsgdesc.dd: New.
* ld-i386/tlsgdesc.rd: New.
* ld-i386/tlsgdesc.s: New.
* ld-x86-64/x86-64.exp: Run new tests.
* ld-x86-64/tlsbindesc.dd: New.
* ld-x86-64/tlsbindesc.rd: New.
* ld-x86-64/tlsbindesc.s: New.
* ld-x86-64/tlsbindesc.sd: New.
* ld-x86-64/tlsbindesc.td: New.
* ld-x86-64/tlsdesc.dd: New.
* ld-x86-64/tlsdesc.pd: New.
* ld-x86-64/tlsdesc.rd: New.
* ld-x86-64/tlsdesc.s: New.
* ld-x86-64/tlsdesc.sd: New.
* ld-x86-64/tlsdesc.td: New.
* ld-x86-64/tlsgdesc.dd: New.
* ld-x86-64/tlsgdesc.rd: New.
* ld-x86-64/tlsgdesc.s: New.

1 files changed, 204 insertions, 0 deletions

diff --git a/ld/testsuite/ld-x86-64/tlsdesc.dd b/ld/testsuite/ld-x86-64/tlsdesc.dd
new file mode 100644
index 0000000..656e241
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/tlsdesc.dd
@@ -0,0 +1,204 @@
+#source: tlsdesc.s
+#source: tlspic2.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -drj.text
+#target: x86_64-*-*
+
+.*: +file format elf64-x86-64
+
+Disassembly of section .text:
+
+0+[0-9a-f]+ <fn1>:
+ +[0-9a-f]+:	55[ 	]+push   %rbp
+ +[0-9a-f]+:	48 89 e5[ 	]+mov    %rsp,%rbp
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD
+ +[0-9a-f]+:	48 8d 05 89 03 10 00[ 	]+lea    1049481\(%rip\),%rax +# 101398 <.*>
+#				-> R_X86_64_TLSDESC	sg1
+ +[0-9a-f]+:	ff 10[ 	]+callq  \*\(%rax\)
+ +[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 referenced through IE too
+ +[0-9a-f]+:	48 8b 05 1c 03 10 00[ 	]+mov    1049372\(%rip\),%rax +# 101338 <.*>
+#				-> 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 *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD against local variable
+ +[0-9a-f]+:	48 8d 05 3f 03 10 00[ 	]+lea    1049407\(%rip\),%rax +# 101368 <.*>
+#				-> R_X86_64_TLSDESC	[0 0x2000000000000000]
+ +[0-9a-f]+:	ff 10[ 	]+callq  \*\(%rax\)
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD -> IE against local variable referenced through IE too
+ +[0-9a-f]+:	48 8b 05 d2 02 10 00[ 	]+mov    1049298\(%rip\),%rax +# 101308 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x24
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD against hidden and local variable
+ +[0-9a-f]+:	48 8d 05 65 03 10 00[ 	]+lea    1049445\(%rip\),%rax +# 1013a8 <.*>
+#				-> R_X86_64_TLSDESC	[0 0x4000000000000000]
+ +[0-9a-f]+:	ff 10[ 	]+callq  \*\(%rax\)
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD -> IE against hidden and local variable referenced through IE too
+ +[0-9a-f]+:	48 8b 05 f0 02 10 00[ 	]+mov    1049328\(%rip\),%rax +# 101340 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x44
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD against hidden but not local variable
+ +[0-9a-f]+:	48 8d 05 1b 03 10 00[ 	]+lea    1049371\(%rip\),%rax +# 101378 <.*>
+#				-> R_X86_64_TLSDESC	[0 0x6000000000000000]
+ +[0-9a-f]+:	ff 10[ 	]+callq  \*\(%rax\)
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  GD -> IE against hidden but not local variable referenced through IE too
+ +[0-9a-f]+:	48 8b 05 ae 02 10 00[ 	]+mov    1049262\(%rip\),%rax +# 101318 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x64
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  LD
+ +[0-9a-f]+:	48 8d 05 11 03 10 00[ 	]+lea    1049361\(%rip\),%rax +# 101388 <.*>
+#				-> R_X86_64_TLSDESC	[0 0x000000000000000]
+ +[0-9a-f]+:	ff 10[ 	]+callq  \*\(%rax\)
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	48 8d 90 20 00 00 00[ 	]+lea    0x20\(%rax\),%rdx
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	4c 8d 88 26 00 00 00[ 	]+lea    0x26\(%rax\),%r9
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  LD against hidden and local variables
+ +[0-9a-f]+:	48 8d 90 40 00 00 00[ 	]+lea    0x40\(%rax\),%rdx
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	48 8d 88 47 00 00 00[ 	]+lea    0x47\(%rax\),%rcx
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  LD against hidden but not local variables
+ +[0-9a-f]+:	4c 8d a0 60 00 00 00[ 	]+lea    0x60\(%rax\),%r12
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	48 8d 88 65 00 00 00[ 	]+lea    0x65\(%rax\),%rcx
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  IE against global 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 03 0d 71 02 10 00[ 	]+add    1049201\(%rip\),%rcx +# 101338 <.*>
+#				-> 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 against local var
+ +[0-9a-f]+:	64 4c 8b 34 25 00 00[ 	]+mov    %fs:0x0,%r14
+ +[0-9a-f]+:	00 00 *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	4c 03 35 2b 02 10 00[ 	]+add    1049131\(%rip\),%r14 +# 101308 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x24
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  IE against hidden and local 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 03 0d 4d 02 10 00[ 	]+add    1049165\(%rip\),%rcx +# 101340 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x44
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  IE against hidden but not local 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 03 0d 0f 02 10 00[ 	]+add    1049103\(%rip\),%rcx +# 101318 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x64
+ +[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 0c 02 10 00[ 	]+mov    1049100\(%rip\),%rcx +# 101320 <.*>
+#				-> 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 against local var
+ +[0-9a-f]+:	4c 8b 15 eb 01 10 00[ 	]+mov    1049067\(%rip\),%r10 +# 101310 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x30
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	64 4d 8b 22[ 	]+mov    %fs:\(%r10\),%r12
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  IE against hidden and local var
+ +[0-9a-f]+:	48 8b 15 f2 01 10 00[ 	]+mov    1049074\(%rip\),%rdx +# 101328 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x50
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	64 48 8b 12[ 	]+mov    %fs:\(%rdx\),%rdx
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+ +[0-9a-f]+:	90[ 	]+nop *
+#  IE against hidden but not local var
+ +[0-9a-f]+:	48 8b 0d e9 01 10 00[ 	]+mov    1049065\(%rip\),%rcx +# 101330 <.*>
+#				-> R_X86_64_TPOFF64	*ABS*+0x70
+ +[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 *
+ +[0-9a-f]+:	c9[ 	]+leaveq *
+ +[0-9a-f]+:	c3[ 	]+retq *
+ +[0-9a-f]+:	90[ 	]+nop *