|
 |
13ae24 |
diff -rup binutils.orig/bfd/elf64-x86-64.c binutils-2.30/bfd/elf64-x86-64.c
|
|
|
13ae24 |
--- binutils.orig/bfd/elf64-x86-64.c 2018-10-08 15:24:17.980797510 +0100
|
|
|
13ae24 |
+++ binutils-2.30/bfd/elf64-x86-64.c 2018-10-08 15:25:02.643458607 +0100
|
|
|
13ae24 |
@@ -4399,15 +4399,23 @@ elf_x86_64_finish_dynamic_sections (bfd
|
|
|
13ae24 |
|
|
|
13ae24 |
if (htab->tlsdesc_plt)
|
|
|
13ae24 |
{
|
|
|
13ae24 |
+ /* The TLSDESC entry in a lazy procedure linkage table. */
|
|
|
13ae24 |
+ static const bfd_byte tlsdesc_plt_entry[LAZY_PLT_ENTRY_SIZE] =
|
|
|
13ae24 |
+ {
|
|
|
13ae24 |
+ 0xf3, 0x0f, 0x1e, 0xfa, /* endbr64 */
|
|
|
13ae24 |
+ 0xff, 0x35, 8, 0, 0, 0, /* pushq GOT+8(%rip) */
|
|
|
13ae24 |
+ 0xff, 0x25, 16, 0, 0, 0 /* jmpq *GOT+TDG(%rip) */
|
|
|
13ae24 |
+ };
|
|
|
13ae24 |
+
|
|
|
13ae24 |
bfd_put_64 (output_bfd, (bfd_vma) 0,
|
|
|
13ae24 |
htab->elf.sgot->contents + htab->tlsdesc_got);
|
|
|
13ae24 |
|
|
|
13ae24 |
memcpy (htab->elf.splt->contents + htab->tlsdesc_plt,
|
|
|
13ae24 |
- htab->lazy_plt->plt0_entry,
|
|
|
13ae24 |
- htab->lazy_plt->plt0_entry_size);
|
|
|
13ae24 |
+ tlsdesc_plt_entry, LAZY_PLT_ENTRY_SIZE);
|
|
|
13ae24 |
|
|
|
13ae24 |
- /* Add offset for pushq GOT+8(%rip), since the
|
|
|
13ae24 |
- instruction uses 6 bytes subtract this value. */
|
|
|
13ae24 |
+ /* Add offset for pushq GOT+8(%rip), since ENDBR64 uses 4
|
|
|
13ae24 |
+ bytes and the instruction uses 6 bytes, subtract these
|
|
|
13ae24 |
+ values. */
|
|
|
13ae24 |
bfd_put_32 (output_bfd,
|
|
|
13ae24 |
(htab->elf.sgotplt->output_section->vma
|
|
|
13ae24 |
+ htab->elf.sgotplt->output_offset
|
|
|
13ae24 |
@@ -4415,14 +4423,13 @@ elf_x86_64_finish_dynamic_sections (bfd
|
|
|
13ae24 |
- htab->elf.splt->output_section->vma
|
|
|
13ae24 |
- htab->elf.splt->output_offset
|
|
|
13ae24 |
- htab->tlsdesc_plt
|
|
|
13ae24 |
- - 6),
|
|
|
13ae24 |
+ - 4 - 6),
|
|
|
13ae24 |
(htab->elf.splt->contents
|
|
|
13ae24 |
+ htab->tlsdesc_plt
|
|
|
13ae24 |
- + htab->lazy_plt->plt0_got1_offset));
|
|
|
13ae24 |
- /* Add offset for the PC-relative instruction accessing
|
|
|
13ae24 |
- GOT+TDG, where TDG stands for htab->tlsdesc_got,
|
|
|
13ae24 |
- subtracting the offset to the end of that
|
|
|
13ae24 |
- instruction. */
|
|
|
13ae24 |
+ + 4 + 2));
|
|
|
13ae24 |
+ /* Add offset for indirect branch via GOT+TDG, where TDG
|
|
|
13ae24 |
+ stands for htab->tlsdesc_got, subtracting the offset
|
|
|
13ae24 |
+ to the end of that instruction. */
|
|
|
13ae24 |
bfd_put_32 (output_bfd,
|
|
|
13ae24 |
(htab->elf.sgot->output_section->vma
|
|
|
13ae24 |
+ htab->elf.sgot->output_offset
|
|
|
13ae24 |
@@ -4430,10 +4437,9 @@ elf_x86_64_finish_dynamic_sections (bfd
|
|
|
13ae24 |
- htab->elf.splt->output_section->vma
|
|
|
13ae24 |
- htab->elf.splt->output_offset
|
|
|
13ae24 |
- htab->tlsdesc_plt
|
|
|
13ae24 |
- - htab->lazy_plt->plt0_got2_insn_end),
|
|
|
13ae24 |
+ - 4 - 6 - 6),
|
|
|
13ae24 |
(htab->elf.splt->contents
|
|
|
13ae24 |
- + htab->tlsdesc_plt
|
|
|
13ae24 |
- + htab->lazy_plt->plt0_got2_offset));
|
|
|
13ae24 |
+ + htab->tlsdesc_plt + 4 + 6 + 2));
|
|
|
13ae24 |
}
|
|
|
13ae24 |
}
|
|
|
13ae24 |
|
|
|
13ae24 |
Only in binutils-2.30/bfd: elf64-x86-64.c.orig
|
|
|
13ae24 |
diff -rup binutils.orig/ld/testsuite/ld-x86-64/tlsdesc.pd binutils-2.30/ld/testsuite/ld-x86-64/tlsdesc.pd
|
|
|
13ae24 |
--- binutils.orig/ld/testsuite/ld-x86-64/tlsdesc.pd 2018-10-08 15:24:17.293802722 +0100
|
|
|
13ae24 |
+++ binutils-2.30/ld/testsuite/ld-x86-64/tlsdesc.pd 2018-10-08 15:25:07.515421664 +0100
|
|
|
13ae24 |
@@ -13,7 +13,7 @@ Disassembly of section .plt:
|
|
|
13ae24 |
[0-9a-f]+: ff 35 .. .. 20 00 pushq .*\(%rip\) # 201358 <_GLOBAL_OFFSET_TABLE_\+0x8>
|
|
|
13ae24 |
[0-9a-f]+: ff 25 .. .. 20 00 jmpq \*.*\(%rip\) # 201360 <_GLOBAL_OFFSET_TABLE_\+0x10>
|
|
|
13ae24 |
[0-9a-f]+: 0f 1f 40 00 nopl 0x0\(%rax\)
|
|
|
13ae24 |
+ [0-9a-f]+: f3 0f 1e fa endbr64
|
|
|
13ae24 |
[0-9a-f]+: ff 35 .. .. 20 00 pushq .*\(%rip\) # 201358 <_GLOBAL_OFFSET_TABLE_\+0x8>
|
|
|
13ae24 |
[0-9a-f]+: ff 25 .. .. 20 00 jmpq \*.*\(%rip\) # 201348 <.*>
|
|
|
13ae24 |
- [0-9a-f]+: 0f 1f 40 00 nopl 0x0\(%rax\)
|
|
|
13ae24 |
|