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2009-12-05 Doug Kwan <dougkwan@google.com>

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elfcpp/ChangeLog:

	* arm.h: Define enums for Tag_CPU_arch EABI attribute.

gold/ChangeLog:
	* arm.cc (Target_arm::arm_info): Initialize new fields
	attributes_section and attributes_vendor.
	* i386.cc (Target_i386::i386_info): Same.
	* object.cc (Sized_relobj::do_layout): Skip attribute section.
	* gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
	fields attributes_section and attributes_vendor.
 	* sparc.cc (Target_sparc::sparc_info): Same.
	* target.h (Target::attributes_section, Target::attributes_vendor,
	Target::is_attributes_section, Target::attribute_arg_type,
	Target::attributes_order): New method definitions.
	(Target::Target_info::attributes_section,
	Target::Target_info::attributes_vendor): New fields.
	(Target::do_attribute_arg_type, Target::do_attributes_order): New
	virtual method definitions.
	* x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
	attributes_section and attributes_vendor.
	* testsuite/testfile.cc (Target_test::test_target_info): Same.
This commit is contained in:
Doug Kwan 2009-12-06 02:49:46 +00:00
parent f4e5969cc0
commit 05a352e6a7
11 changed files with 131 additions and 10 deletions
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4
elfcpp/ChangeLog
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@ -1,3 +1,7 @@
2009-12-05 Doug Kwan <dougkwan@google.com>
* arm.h: Define enums for Tag_CPU_arch EABI attribute.
2009-11-24 Rafael Avila de Espindola <espindola@google.com>
* elfcpp_file.h: Include elfcpp.h.

23
elfcpp/arm.h
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@ -222,6 +222,29 @@ inline Elf_Word
arm_eabi_version(Elf_Word flags)
{ return flags & EF_ARM_EABIMASK; }
// Values for the Tag_CPU_arch EABI attribute.
enum
{
TAG_CPU_ARCH_PRE_V4,
TAG_CPU_ARCH_V4,
TAG_CPU_ARCH_V4T,
TAG_CPU_ARCH_V5T,
TAG_CPU_ARCH_V5TE,
TAG_CPU_ARCH_V5TEJ,
TAG_CPU_ARCH_V6,
TAG_CPU_ARCH_V6KZ,
TAG_CPU_ARCH_V6T2,
TAG_CPU_ARCH_V6K,
TAG_CPU_ARCH_V7,
TAG_CPU_ARCH_V6_M,
TAG_CPU_ARCH_V6S_M,
TAG_CPU_ARCH_V7E_M,
MAX_TAG_CPU_ARCH = TAG_CPU_ARCH_V7E_M,
// Pseudo-architecture to allow objects to be compatible with the subset of
// armv4t and armv6-m. This value should never be stored in object files.
TAG_CPU_ARCH_V4T_PLUS_V6_M = (MAX_TAG_CPU_ARCH + 1)
};
} // End namespace elfcpp.
#endif // !defined(ELFCPP_ARM_H)

20
gold/ChangeLog
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@ -1,3 +1,23 @@
2009-12-05 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::arm_info): Initialize new fields
attributes_section and attributes_vendor.
* i386.cc (Target_i386::i386_info): Same.
* object.cc (Sized_relobj::do_layout): Skip attribute section.
* gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
fields attributes_section and attributes_vendor.
* sparc.cc (Target_sparc::sparc_info): Same.
* target.h (Target::attributes_section, Target::attributes_vendor,
Target::is_attributes_section, Target::attribute_arg_type,
Target::attributes_order): New method definitions.
(Target::Target_info::attributes_section,
Target::Target_info::attributes_vendor): New fields.
(Target::do_attribute_arg_type, Target::do_attributes_order): New
virtual method definitions.
* x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
attributes_section and attributes_vendor.
* testsuite/testfile.cc (Target_test::test_target_info): Same.
2009-12-05 Doug Kwan <dougkwan@google.com>
* arm.cc: Update comments about interworking and stub generation.

4
gold/arm.cc
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@ -1665,7 +1665,9 @@ const Target::Target_info Target_arm<big_endian>::arm_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
".ARM.attributes", // attributes_section
"aeabi" // attributes_vendor
};
// Arm relocate functions class

4
gold/i386.cc
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@ -441,7 +441,9 @@ const Target::Target_info Target_i386::i386_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
// Get the GOT section, creating it if necessary.

6
gold/object.cc
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@ -1138,6 +1138,12 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
omit[i] = true;
}
// Skip attributes section.
if (parameters->target().is_attributes_section(name))
{
omit[i] = true;
}
bool discard = omit[i];
if (!discard)
{

16
gold/powerpc.cc
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@ -342,7 +342,9 @@ Target::Target_info Target_powerpc<32, true>::powerpc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
template<>
@ -363,7 +365,9 @@ Target::Target_info Target_powerpc<32, false>::powerpc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
template<>
@ -384,7 +388,9 @@ Target::Target_info Target_powerpc<64, true>::powerpc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
template<>
@ -405,7 +411,9 @@ Target::Target_info Target_powerpc<64, false>::powerpc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
template<int size, bool big_endian>

8
gold/sparc.cc
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@ -361,7 +361,9 @@ Target::Target_info Target_sparc<32, true>::sparc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
template<>
@ -382,7 +384,9 @@ Target::Target_info Target_sparc<64, true>::sparc_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
// We have to take care here, even when operating in little-endian

48
gold/target.h
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@ -282,6 +282,39 @@ class Target
return this->do_relax(pass, input_objects, symtab, layout);
}
// Return the target-specific name of attributes section. This is
// NULL if a target does not use attributes section or if it uses
// the default section name ".gnu.attributes".
const char*
attributes_section() const
{ return this->pti_->attributes_section; }
// Return the vendor name of vendor attributes.
const char*
attributes_vendor() const
{ return this->pti_->attributes_vendor; }
// Whether a section called NAME is an attribute section.
bool
is_attributes_section(const char* name) const
{
return ((this->pti_->attributes_section != NULL
&& strcmp(name, this->pti_->attributes_section) == 0)
|| strcmp(name, ".gnu.attributes") == 0);
}
// Return a bit mask of argument types for attribute with TAG.
int
attribute_arg_type(int tag) const
{ return this->do_attribute_arg_type(tag); }
// Return the attribute tag of the position NUM in the list of fixed
// attributes. Normally there is no reordering and
// attributes_order(NUM) == NUM.
int
attributes_order(int num) const
{ return this->do_attributes_order(num); }
protected:
// This struct holds the constant information for a child class. We
// use a struct to avoid the overhead of virtual function calls for
@ -323,6 +356,10 @@ class Target
elfcpp::Elf_Xword small_common_section_flags;
// Section flags for large common section.
elfcpp::Elf_Xword large_common_section_flags;
// Name of attributes section if it is not ".gnu.attributes".
const char* attributes_section;
// Vendor name of vendor attributes.
const char* attributes_vendor;
};
Target(const Target_info* pti)
@ -440,6 +477,17 @@ class Target
set_view_to_nop(unsigned char* view, section_size_type view_size,
section_offset_type offset, size_t len) const;
// This must be overriden by the child class if it has target-specific
// attributes subsection in the attribute section.
virtual int
do_attribute_arg_type(int) const
{ gold_unreachable(); }
// This may be overridden by the child class.
virtual int
do_attributes_order(int num) const
{ return num; }
private:
// The implementations of the four do_make_elf_object virtual functions are
// almost identical except for their sizes and endianity. We use a template.

4
gold/testsuite/testfile.cc
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@ -101,7 +101,9 @@ const Target::Target_info Target_test<size, big_endian>::test_target_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_UNDEF, // large_common_shndx
0, // small_common_section_flags
0 // large_common_section_flags
0, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
// The test targets.

4
gold/x86_64.cc
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@ -439,7 +439,9 @@ const Target::Target_info Target_x86_64::x86_64_info =
elfcpp::SHN_UNDEF, // small_common_shndx
elfcpp::SHN_X86_64_LCOMMON, // large_common_shndx
0, // small_common_section_flags
elfcpp::SHF_X86_64_LARGE // large_common_section_flags
elfcpp::SHF_X86_64_LARGE, // large_common_section_flags
NULL, // attributes_section
NULL // attributes_vendor
};
// This is called when a new output section is created. This is where