2009-10-30 Doug Kwan <dougkwan@google.com>

elfcpp/ChangeLog:
	* arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN,
	EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3,
	EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific
	flags.
	(arm_eabi_version): New inline function.
	* elfcpp.h: Add a comment about DT_ENCODING.

gold/ChangeLog:
	* arm.cc (Arm_relobj::processor_specific_flags): New method
	definition.
	(Arm_relobj::do_read_symbols): New method declaration.
	(Arm_relobj::processor_specific_flags_): New data member declaration.
	(Arm_dynobj): New class definition.
	(Target_arm::do_finalize_sections): Add input_objects parameter.
	(Target_arm::do_adjust_elf_header): New method declaration.
	(Target_arm::are_eabi_versions_compatible,
	(Target_arm::merge_processor_specific_flags): New method declaration.
	(Target_arm::do_make_elf_object): New overloaded method definitions
	and declaration.
	(Arm_relobj::do_read_symbols): New method definition.
	(Arm_dynobj::do_read_symbols): Ditto.
	(Target_arm::do_finalize_sections): Add input_objects parameters.
	Merge processor-specific flags from all input objects.
	(Target_arm::are_eabi_versions_compatible,
	Target_arm::merge_processor_specific_flags,
	Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
	New method definitions.
	* i386.cc (Target_i386::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.
	* layout.cc (Layout::finalize): Pass input objects to target's.
	finalize_sections function.
	* output.cc (Output_file_header::do_sized_write): Set ELF file
	header's processor-specific flags.
	* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.
	* sparc.cc (Target_sparc::do_finalize_sections): Same.
	* target.h (Input_objects): New forward class declaration.
	(Target::processor_specific_flags,
	Target::are_processor_specific_flags_sect): New method definitions.
	(Target::finalize_sections): Add input_objects parameter.
	(Target::Target): Initialize processor_specific_flags_ and
	are_processor_specific_flags_set_.
	(Target::do_finalize_sections): Add unnamed Input_objects pointer type
	parameter.
	(Target::set_processor_specific_flags): New method definition.
	(Target::processor_specific_flags_,
	Target::are_processor_specific_flags_set_): New data member
	declarations.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.

3 files changed, 36 insertions, 0 deletions

diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog
index 0a9906cc18..243988074e 100644
--- a/elfcpp/ChangeLog
+++ b/elfcpp/ChangeLog
@@ -1,3 +1,12 @@
+2009-10-30  Doug Kwan  <dougkwan@google.com>
+
+	* arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN,
+	EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3,
+	EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific
+	flags.
+	(arm_eabi_version): New inline function.
+	* elfcpp.h: Add a comment about DT_ENCODING.
+
 2009-10-16  Doug Kwan  <dougkwan@google.com>
 
 	* elfcpp/elfcpp.h (DT_PREINIT_ARRAY): Correct enum value.
diff --git a/elfcpp/arm.h b/elfcpp/arm.h
index 7ad827a422..027cf34224 100644
--- a/elfcpp/arm.h
+++ b/elfcpp/arm.h
@@ -199,6 +199,29 @@ enum
   // 160 - 255			Unallocated
 };
 
+// e_flags values used for ARM.  We only support flags defined in AAELF.
+
+enum
+{
+  EF_ARM_BE8 = 0x00800000,
+
+  // Mask to extract EABI version, not really a flag value.
+  EF_ARM_EABIMASK = 0xFF000000,
+
+  EF_ARM_EABI_UNKNOWN = 0x00000000,
+  EF_ARM_EABI_VER1 = 0x01000000,
+  EF_ARM_EABI_VER2 = 0x02000000,
+  EF_ARM_EABI_VER3 = 0x03000000,
+  EF_ARM_EABI_VER4 = 0x04000000,
+  EF_ARM_EABI_VER5 = 0x05000000,
+};
+
+// Extract EABI version from flags.
+
+inline Elf_Word
+arm_eabi_version(Elf_Word flags)
+{ return flags & EF_ARM_EABIMASK; }
+
 } // End namespace elfcpp.
 
 #endif // !defined(ELFCPP_ARM_H)
diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h
index c5c93c31d9..4ace47c41a 100644
--- a/elfcpp/elfcpp.h
+++ b/elfcpp/elfcpp.h
@@ -656,7 +656,11 @@ enum DT
   DT_FINI_ARRAYSZ = 28,
   DT_RUNPATH = 29,
   DT_FLAGS = 30,
+
+  // This is used to mark a range of dynamic tags.  It is not really
+  // a tag value.
   DT_ENCODING = 32,
+
   DT_PREINIT_ARRAY = 32,
   DT_PREINIT_ARRAYSZ = 33,
   DT_LOOS = 0x6000000d,