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From Craig Silverstein: x86_64 TLS support.

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This commit is contained in:
Ian Lance Taylor
2007-10-04 22:28:36 +00:00
parent 0eadd5b433
commit d61c17ea24
2 changed files with 179 additions and 284 deletions
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15
gold/i386.cc
View File

@ -741,6 +741,8 @@ Target_i386::Scan::local(const General_options&,
case elfcpp::R_386_GLOB_DAT:
case elfcpp::R_386_JUMP_SLOT:
case elfcpp::R_386_RELATIVE:
// These are outstanding tls relocs, which are unexpected when
// linking.
case elfcpp::R_386_TLS_TPOFF:
case elfcpp::R_386_TLS_DTPMOD32:
case elfcpp::R_386_TLS_DTPOFF32:
@ -751,6 +753,8 @@ Target_i386::Scan::local(const General_options&,
gold_exit(false);
break;
// These are initial tls relocs, which are expected when
// linking.
case elfcpp::R_386_TLS_IE:
case elfcpp::R_386_TLS_GOTIE:
case elfcpp::R_386_TLS_LE:
@ -902,6 +906,8 @@ Target_i386::Scan::global(const General_options& options,
case elfcpp::R_386_GLOB_DAT:
case elfcpp::R_386_JUMP_SLOT:
case elfcpp::R_386_RELATIVE:
// These are outstanding tls relocs, which are unexpected when
// linking.
case elfcpp::R_386_TLS_TPOFF:
case elfcpp::R_386_TLS_DTPMOD32:
case elfcpp::R_386_TLS_DTPOFF32:
@ -912,6 +918,8 @@ Target_i386::Scan::global(const General_options& options,
gold_exit(false);
break;
// These are initial tls relocs, which are expected when
// linking.
case elfcpp::R_386_TLS_IE:
case elfcpp::R_386_TLS_GOTIE:
case elfcpp::R_386_TLS_LE:
@ -1164,6 +1172,8 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo,
case elfcpp::R_386_GLOB_DAT:
case elfcpp::R_386_JUMP_SLOT:
case elfcpp::R_386_RELATIVE:
// These are outstanding tls relocs, which are unexpected when
// linking.
case elfcpp::R_386_TLS_TPOFF:
case elfcpp::R_386_TLS_DTPMOD32:
case elfcpp::R_386_TLS_DTPOFF32:
@ -1176,6 +1186,8 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo,
gold_exit(false);
break;
// These are initial tls relocs, which are expected when
// linking.
case elfcpp::R_386_TLS_IE:
case elfcpp::R_386_TLS_GOTIE:
case elfcpp::R_386_TLS_LE:
@ -1440,7 +1452,8 @@ Target_i386::Relocate::tls_gd_to_le(const Relocate_info<32, false>* relinfo,
{
Target_i386::Relocate::check_tls(relinfo, relnum, rel,
(op1 & 0xf8) == 0x80 && (op1 & 7) != 4);
if (rel.get_r_offset() + 9 < view_size && view[9] == 0x90)
if (static_cast<off_t>(rel.get_r_offset() + 9) < view_size
&& view[9] == 0x90)
{
// There is a trailing nop. Use the size byte subl.
memcpy(view - 2, "\x65\xa1\0\0\0\0\x81\xe8\0\0\0", 12);