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2009-12-10 Doug Kwan <dougkwan@google.com>

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elfcpp/ChangeLog
	* arm.h: New enums for EABI object attribute tags and values.

gold/ChangeLog
	* arm.cc (attributes.h): New include.
	(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
	(Arm_relobj::~Arm_relobj): Delete object pointed by
	attributes_section_data_.
	(Arm_relobj::attributes_section_data): New method definition.
	(Arm_relobj::attributes_section_data_): New data member declaration.
	(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
	(Arm_dynobj::~Arm_dynobj): Delete object pointed by
	attributes_section_data_.
	(Arm_dynobj::attributes_section_data): New method definition.
	(Arm_dynobj::attributes_section_data_): New data member declaration.
	(Target_arm::Target_arm): Initialize attributes_section_data_.  Change
	initialization value of may_use_blx_ to false.
   	(Target_arm::using_thumb2, Target_arm::using_thumb_only,
	Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
	object attributes to compute results instead of hard-coding.
	(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
	Target_arm::get_secondary_compatible_arch,
	Target_arm::set_secondary_compatible_arch
	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
	New method declarations.
	(Target_arm::get_aeabi_object_attribute): New method definition.
	(Target_arm::attributes_section_data_): New data member declaration.
	(read_arm_attributes_section): New template definition.
	(Arm_relobj::do_read_symbols): Read attributes section if it exists.
	(Arm_dynobj::do_read_symbols): Ditto.
	(Target_arm::do_finalize_sections): Merge attributes sections from
	input.  Check for BLX use after attributes section merging.
	Fix __exidx_start and __exidx_end visibility.  Create an
	.ARM.attributes section if necessary.
	(Target_arm::get_secondary_compatible_arch,
	Target_arm::set_secondary_compatible_arch,
	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
	Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
	New method definitions.
This commit is contained in:
Doug Kwan
2009-12-10 20:55:33 +00:00
parent 0fa6cf1b45
commit a0351a698b
4 changed files with 1084 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
elfcpp/arm.h
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@ -245,6 +245,82 @@ enum
TAG_CPU_ARCH_V4T_PLUS_V6_M = (MAX_TAG_CPU_ARCH + 1)
};
// EABI object attributes.
enum
{
// 0-3 are generic.
Tag_CPU_raw_name = 4,
Tag_CPU_name = 5,
Tag_CPU_arch = 6,
Tag_CPU_arch_profile = 7,
Tag_ARM_ISA_use = 8,
Tag_THUMB_ISA_use = 9,
Tag_VFP_arch = 10,
Tag_WMMX_arch = 11,
Tag_Advanced_SIMD_arch = 12,
Tag_PCS_config = 13,
Tag_ABI_PCS_R9_use = 14,
Tag_ABI_PCS_RW_data = 15,
Tag_ABI_PCS_RO_data = 16,
Tag_ABI_PCS_GOT_use = 17,
Tag_ABI_PCS_wchar_t = 18,
Tag_ABI_FP_rounding = 19,
Tag_ABI_FP_denormal = 20,
Tag_ABI_FP_exceptions = 21,
Tag_ABI_FP_user_exceptions = 22,
Tag_ABI_FP_number_model = 23,
Tag_ABI_align8_needed = 24,
Tag_ABI_align8_preserved = 25,
Tag_ABI_enum_size = 26,
Tag_ABI_HardFP_use = 27,
Tag_ABI_VFP_args = 28,
Tag_ABI_WMMX_args = 29,
Tag_ABI_optimization_goals = 30,
Tag_ABI_FP_optimization_goals = 31,
// 32 is generic (Tag_compatibility).
Tag_undefined33 = 33,
Tag_CPU_unaligned_access = 34,
Tag_undefined35 = 35,
Tag_VFP_HP_extension = 36,
Tag_undefined37 = 37,
Tag_ABI_FP_16bit_format = 38,
Tag_undefined39 = 39,
Tag_nodefaults = 64,
Tag_also_compatible_with = 65,
Tag_T2EE_use = 66,
Tag_conformance = 67,
Tag_Virtualization_use = 68,
Tag_undefined69 = 69,
Tag_MPextension_use = 70
};
// Values for Tag_ABI_PCS_R9_use.
enum
{
AEABI_R9_V6 = 0,
AEABI_R9_SB = 1,
AEABI_R9_TLS = 2,
AEABI_R9_unused = 3
};
// Values for Tag_ABI_PCS_RW_data.
enum
{
AEABI_PCS_RW_data_absolute = 0,
AEABI_PCS_RW_data_PCrel = 1,
AEABI_PCS_RW_data_SBrel = 2,
AEABI_PCS_RW_data_unused = 3
};
// Values for Tag_ABI_enum_size.
enum
{
AEABI_enum_unused = 0,
AEABI_enum_short = 1,
AEABI_enum_wide = 2,
AEABI_enum_forced_wide = 3
};
} // End namespace elfcpp.
#endif // !defined(ELFCPP_ARM_H)