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* target.h (class Target): Add osabi_ field.

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(Target::osabi): New function.
	(Target::set_osabi): New function.
	(Target::Target): Initialize osabi_.
	(Target::do_adjust_elf_header): Make pure virtual.
	(Sized_target::do_adjust_elf_header): Declare.
	* target.cc (Sized_target::do_adjust_elf_header): New function.
	(class Sized_target): Instantiate all versions.
	* freebsd.h (class Target_freebsd): Remove.
	(Target_selector_freebsd::do_recognize): Call set_osabi on
	Target.
	(Target_selector_freebsd::do_recognize_by_name): Likewise.
	(Target_selector_freebsd::set_osabi): Remove.
	* i386.cc (class Target_i386): Inherit from Sized_target rather
	than Target_freebsd.
	* x86_64.cc (class Target_x86_64): Likewise.
This commit is contained in:
Ian Lance Taylor
2011-06-28 22:25:14 +00:00
parent b3ce541e97
commit 200b2bb9e8
6 changed files with 98 additions and 92 deletions
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27
gold/target.h
View File

@@ -375,6 +375,17 @@ class Target
select_as_default_target()
{ this->do_select_as_default_target(); }
// Return the value to store in the EI_OSABI field in the ELF
// header.
elfcpp::ELFOSABI
osabi() const
{ return this->osabi_; }
// Set the value to store in the EI_OSABI field in the ELF header.
void
set_osabi(elfcpp::ELFOSABI osabi)
{ this->osabi_ = osabi; }
protected:
// This struct holds the constant information for a child class. We
// use a struct to avoid the overhead of virtual function calls for
@@ -427,7 +438,7 @@ class Target
Target(const Target_info* pti)
: pti_(pti), processor_specific_flags_(0),
are_processor_specific_flags_set_(false)
are_processor_specific_flags_set_(false), osabi_(elfcpp::ELFOSABI_NONE)
{ }
// Virtual function which may be implemented by the child class.
@@ -459,10 +470,10 @@ class Target
// Adjust the output file header before it is written out. VIEW
// points to the header in external form. LEN is the length, and
// will be one of the values of elfcpp::Elf_sizes<size>::ehdr_size.
// By default, we do nothing.
// By default, we set the EI_OSABI field if requested (in
// Sized_target).
virtual void
do_adjust_elf_header(unsigned char*, int) const
{ }
do_adjust_elf_header(unsigned char*, int) const = 0;
// Virtual function which may be overridden by the child class.
virtual bool
@@ -622,6 +633,10 @@ class Target
elfcpp::Elf_Word processor_specific_flags_;
// Whether the processor-specific flags are set at least once.
bool are_processor_specific_flags_set_;
// If not ELFOSABI_NONE, the value to put in the EI_OSABI field of
// the ELF header. This is handled at this level because it is
// OS-specific rather than processor-specific.
elfcpp::ELFOSABI osabi_;
};
// The abstract class for a specific size and endianness of target.
@@ -873,6 +888,10 @@ class Sized_target : public Target
gold_assert(pti->size == size);
gold_assert(pti->is_big_endian ? big_endian : !big_endian);
}
// Set the EI_OSABI field if requested.
virtual void
do_adjust_elf_header(unsigned char*, int) const;
};
} // End namespace gold.