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authorRoss Burton <ross.burton@intel.com>2016-07-14 19:59:47 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-07-20 10:24:54 +0100
commitb31294e4f34dfb530c40526ab56c07aedb76e31b (patch)
tree53fa4bf786ce5f6d97c839df0f4ca1de240455fb
parent3ab3ebc06d22f0776091e39237235ea50c4503b2 (diff)
downloadopenembedded-core-contrib-b31294e4f34dfb530c40526ab56c07aedb76e31b.tar.gz
binutils: backport fix for TLSDESC relocations with no TLS segment on arch64
As exposed by WebKit on aarch64 hosts, which causes binutils to throw an internal error. [ YOCTO #9509 ] Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-devtools/binutils/binutils-2.26.inc1
-rw-r--r--meta/recipes-devtools/binutils/binutils/aarch64-tls.patch177
2 files changed, 178 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.26.inc b/meta/recipes-devtools/binutils/binutils-2.26.inc
index 82cb7f566c..1f7bee29eb 100644
--- a/meta/recipes-devtools/binutils/binutils-2.26.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.26.inc
@@ -35,6 +35,7 @@ SRC_URI = "\
file://0013-Fix-GOT-address-computations-in-initial-PLT-entries-.patch \
file://0014-Correct-nios2-_gp-address-computation.patch \
file://0015-fix-the-incorrect-assembling-for-ppc-wait-mnemonic.patch \
+ file://aarch64-tls.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/aarch64-tls.patch b/meta/recipes-devtools/binutils/binutils/aarch64-tls.patch
new file mode 100644
index 0000000000..6b123ac515
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/aarch64-tls.patch
@@ -0,0 +1,177 @@
+Building WebKit on an aarch64 host will fail:
+
+gold/ld-new: internal error in relocate_tls, at ../../binutils/gold/aarch64.cc:7418
+
+This was a binutils bug, so backport the fix.
+
+https://sourceware.org/bugzilla/show_bug.cgi?id=19353
+
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+From d21f123b0ead1806416cf0dafae12bec4cca8920 Mon Sep 17 00:00:00 2001
+From: Cary Coutant <ccoutant@gmail.com>
+Date: Mon, 11 Jan 2016 23:57:44 -0800
+Subject: [PATCH] Fix internal error when applying TLSDESC relocations with no TLS segment.
+
+gold/
+ PR gold/19353
+ * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
+ we have a TLS segment for GD-to-IE optimization.
+ * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
+ Adjust all calls.
+ (Target_i386::tls_desc_gd_to_ie): Likewise.
+ (Target_i386::relocate_tls): Don't insist that we have a TLS segment
+ for TLSDESC GD-to-IE optimizations.
+ * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
+ Adjust all calls.
+ (Target_x86_64::tls_desc_gd_to_ie): Likewise.
+ (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
+ for TLSDESC GD-to-IE optimizations.
+---
+ gold/ChangeLog | 16 ++++++++++++++++
+ gold/aarch64.cc | 6 ------
+ gold/i386.cc | 14 ++------------
+ gold/x86_64.cc | 14 ++------------
+ 4 files changed, 20 insertions(+), 30 deletions(-)
+
+diff --git a/gold/aarch64.cc b/gold/aarch64.cc
+index 20f2f4f..5ad061b 100644
+--- a/gold/aarch64.cc
++++ b/gold/aarch64.cc
+@@ -7422,12 +7422,6 @@ Target_aarch64<size, big_endian>::Relocate::relocate_tls(
+ }
+ if (tlsopt == tls::TLSOPT_TO_IE)
+ {
+- if (tls_segment == NULL)
+- {
+- gold_assert(parameters->errors()->error_count() > 0
+- || issue_undefined_symbol_error(gsym));
+- return aarch64_reloc_funcs::STATUS_BAD_RELOC;
+- }
+ return tls_desc_gd_to_ie(relinfo, target, rela, r_type,
+ view, psymval, got_entry_address,
+ address);
+diff --git a/gold/i386.cc b/gold/i386.cc
+index 82886d4..a7168a8 100644
+--- a/gold/i386.cc
++++ b/gold/i386.cc
+@@ -668,7 +668,6 @@ class Target_i386 : public Sized_target<32, false>
+ // Do a TLS General-Dynamic to Initial-Exec transition.
+ inline void
+ tls_gd_to_ie(const Relocate_info<32, false>*, size_t relnum,
+- Output_segment* tls_segment,
+ const elfcpp::Rel<32, false>&, unsigned int r_type,
+ elfcpp::Elf_types<32>::Elf_Addr value,
+ unsigned char* view,
+@@ -687,7 +686,6 @@ class Target_i386 : public Sized_target<32, false>
+ // transition.
+ inline void
+ tls_desc_gd_to_ie(const Relocate_info<32, false>*, size_t relnum,
+- Output_segment* tls_segment,
+ const elfcpp::Rel<32, false>&, unsigned int r_type,
+ elfcpp::Elf_types<32>::Elf_Addr value,
+ unsigned char* view,
+@@ -3054,7 +3052,7 @@ Target_i386::Relocate::relocate_tls(const Relocate_info<32, false>* relinfo,
+ }
+ if (optimized_type == tls::TLSOPT_TO_IE)
+ {
+- this->tls_gd_to_ie(relinfo, relnum, tls_segment, rel, r_type,
++ this->tls_gd_to_ie(relinfo, relnum, rel, r_type,
+ got_offset, view, view_size);
+ break;
+ }
+@@ -3116,13 +3114,7 @@ Target_i386::Relocate::relocate_tls(const Relocate_info<32, false>* relinfo,
+ }
+ if (optimized_type == tls::TLSOPT_TO_IE)
+ {
+- if (tls_segment == NULL)
+- {
+- gold_assert(parameters->errors()->error_count() > 0
+- || issue_undefined_symbol_error(gsym));
+- return;
+- }
+- this->tls_desc_gd_to_ie(relinfo, relnum, tls_segment, rel, r_type,
++ this->tls_desc_gd_to_ie(relinfo, relnum, rel, r_type,
+ got_offset, view, view_size);
+ break;
+ }
+@@ -3354,7 +3346,6 @@ Target_i386::Relocate::tls_gd_to_le(const Relocate_info<32, false>* relinfo,
+ inline void
+ Target_i386::Relocate::tls_gd_to_ie(const Relocate_info<32, false>* relinfo,
+ size_t relnum,
+- Output_segment*,
+ const elfcpp::Rel<32, false>& rel,
+ unsigned int,
+ elfcpp::Elf_types<32>::Elf_Addr value,
+@@ -3449,7 +3440,6 @@ inline void
+ Target_i386::Relocate::tls_desc_gd_to_ie(
+ const Relocate_info<32, false>* relinfo,
+ size_t relnum,
+- Output_segment*,
+ const elfcpp::Rel<32, false>& rel,
+ unsigned int r_type,
+ elfcpp::Elf_types<32>::Elf_Addr value,
+diff --git a/gold/x86_64.cc b/gold/x86_64.cc
+index 3cfc064..4ad5afc 100644
+--- a/gold/x86_64.cc
++++ b/gold/x86_64.cc
+@@ -816,7 +816,6 @@ class Target_x86_64 : public Sized_target<size, false>
+ // Do a TLS General-Dynamic to Initial-Exec transition.
+ inline void
+ tls_gd_to_ie(const Relocate_info<size, false>*, size_t relnum,
+- Output_segment* tls_segment,
+ const elfcpp::Rela<size, false>&, unsigned int r_type,
+ typename elfcpp::Elf_types<size>::Elf_Addr value,
+ unsigned char* view,
+@@ -835,7 +834,6 @@ class Target_x86_64 : public Sized_target<size, false>
+ // Do a TLSDESC-style General-Dynamic to Initial-Exec transition.
+ inline void
+ tls_desc_gd_to_ie(const Relocate_info<size, false>*, size_t relnum,
+- Output_segment* tls_segment,
+ const elfcpp::Rela<size, false>&, unsigned int r_type,
+ typename elfcpp::Elf_types<size>::Elf_Addr value,
+ unsigned char* view,
+@@ -3733,7 +3731,7 @@ Target_x86_64<size>::Relocate::relocate_tls(
+ if (optimized_type == tls::TLSOPT_TO_IE)
+ {
+ value = target->got_plt_section()->address() + got_offset;
+- this->tls_gd_to_ie(relinfo, relnum, tls_segment, rela, r_type,
++ this->tls_gd_to_ie(relinfo, relnum, rela, r_type,
+ value, view, address, view_size);
+ break;
+ }
+@@ -3800,14 +3798,8 @@ Target_x86_64<size>::Relocate::relocate_tls(
+ }
+ if (optimized_type == tls::TLSOPT_TO_IE)
+ {
+- if (tls_segment == NULL)
+- {
+- gold_assert(parameters->errors()->error_count() > 0
+- || issue_undefined_symbol_error(gsym));
+- return;
+- }
+ value = target->got_plt_section()->address() + got_offset;
+- this->tls_desc_gd_to_ie(relinfo, relnum, tls_segment,
++ this->tls_desc_gd_to_ie(relinfo, relnum,
+ rela, r_type, value, view, address,
+ view_size);
+ break;
+@@ -3973,7 +3965,6 @@ inline void
+ Target_x86_64<size>::Relocate::tls_gd_to_ie(
+ const Relocate_info<size, false>* relinfo,
+ size_t relnum,
+- Output_segment*,
+ const elfcpp::Rela<size, false>& rela,
+ unsigned int,
+ typename elfcpp::Elf_types<size>::Elf_Addr value,
+@@ -4085,7 +4076,6 @@ inline void
+ Target_x86_64<size>::Relocate::tls_desc_gd_to_ie(
+ const Relocate_info<size, false>* relinfo,
+ size_t relnum,
+- Output_segment*,
+ const elfcpp::Rela<size, false>& rela,
+ unsigned int r_type,
+ typename elfcpp::Elf_types<size>::Elf_Addr value,
+--
+1.7.1