PR 10287

	PR 11063
	* i386.cc (class Target_i386): Change return type of plt_section
	to be non-const.
	(class Output_data_plt_i386): Add tls_desc_rel_ field.
	(Output_data_plt_i386::Output_data_plt_i386): Initialize
	tls_desc_rel_ field.
	(Output_data_plt_i386::rel_tls_desc): New function.
	(Target_i386::rel_tls_desc_section): New function.
	(Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
	(Target_i386::Scan::global): For R_386_TLS_GOTDESC put
	R_386_TLS_DESC reloc in rel_tls_desc_section.
	* x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
	Define struct Tlsdesc_info.
	(Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
	(Target_x86_64::do_reloc_symbol_index): New function.
	(Target_x86_64::add_tlsdesc_info): New function.
	(class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
	tlsdesc_rel_ field.
	(Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
	all callers.
	(Output_data_plt_x86_64::rela_tlsdesc): New function.
	(Target_x86_64::rela_tlsdesc_section): New function.
	(Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
	handling.
	(Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
	(Target_x86_64::do_reloc_addend): New function.
	R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
	* output.h (class Output_reloc) [SHT_REL]: Add new constructor
	declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
	(Output_reloc::type): New function.
	(Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
	(Output_reloc::is_target_specific): New function.
	(Output_reloc::target_arg): New function.
	(class Output_reloc) [SHT_RELA]: Add four new constructors for
	absolute relocs and target specific relocs.
	(class Output_data_reloc) [SHT_REL]: Add add_absolute and
	add_target_specific.
	(class Output_data_reloc) [SHT_RELA]: Likewise.
	* output.cc (Output_reloc::Output_reloc): Add four new versions
	for absolute relocs and target specific relocs.
	(Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
	(Output_reloc::get_symbol_index): Likewise.
	(Output_reloc::local_section_offset): Check that local_sym_index_
	is not TARGET_CODE or 0.
	(Output_reloc::symbol_value): Likewise.
	(Output_reloc::write) [SHT_RELA]: Call target for target specific
	reloc.
	* target.h (class Target): Add reloc_symbol_index and reloc_addend
	functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
	functions.
	* layout.cc (add_target_dynamic_tags): Use output section for
	DT_PLTRELSZ and DT_JMPREL.

1 files changed, 22 insertions, 0 deletions

diff --git a/gold/target.h b/gold/target.h
index c1c58a4e3ed..88cc973e6b7 100644
--- a/gold/target.h
+++ b/gold/target.h
@@ -230,6 +230,16 @@ class Target
   is_local_label_name(const char* name) const
   { return this->do_is_local_label_name(name); }
 
+  // Get the symbol index to use for a target specific reloc.
+  unsigned int
+  reloc_symbol_index(void* arg, unsigned int type) const
+  { return this->do_reloc_symbol_index(arg, type); }
+
+  // Get the addend to use for a target specific reloc.
+  uint64_t
+  reloc_addend(void* arg, unsigned int type, uint64_t addend) const
+  { return this->do_reloc_addend(arg, type, addend); }
+
   // A function starts at OFFSET in section SHNDX in OBJECT.  That
   // function was compiled with -fsplit-stack, but it refers to a
   // function which was compiled without -fsplit-stack.  VIEW is a
@@ -405,6 +415,18 @@ class Target
   virtual bool
   do_is_local_label_name(const char*) const;
 
+  // Virtual function that must be overridden by a target which uses
+  // target specific relocations.
+  virtual unsigned int
+  do_reloc_symbol_index(void*, unsigned int) const
+  { gold_unreachable(); }
+
+  // Virtual function that must be overidden by a target which uses
+  // target specific relocations.
+  virtual uint64_t
+  do_reloc_addend(void*, unsigned int, uint64_t) const
+  { gold_unreachable(); }
+
   // Virtual function which may be overridden by the child class.
   virtual void
   do_calls_non_split(Relobj* object, unsigned int, section_offset_type,