Cary Coutant
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d1bddd3c4b
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Fix handling of __ehdr_start when it cannot be defined.
2014-05-02 Cary Coutant <ccoutant@google.com>
* defstd.cc (in_segment): Define __ehdr_start here...
* layout.cc (Layout::finalize): ...Instead of here. Set the
output segment when known.
* resolve.cc (Symbol::override_base_with_special): Remember
the original binding.
* symtab.cc (Symbol::set_output_segment): New function.
(Symbol::set_undefined): New function.
* symtab.h (Symbol::is_weak_undefined): Check original undef
binding.
(Symbol::is_strong_undefined): New function.
(Symbol::set_output_segment): New function.
(Symbol::set_undefined): New function.
* target-reloc.h (is_strong_undefined): Remove.
(issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
Check for hidden undefs.
(relocate_section): Call Symbol::is_strong_undefined.
* testsuite/Makefile.am (ehdr_start_test_1)
(ehdr_start_test_2, ehdr_start_test_3)
(ehdr_start_test_4, ehdr_start_test_5): New test cases.
* testsuite/Makefile.in: Regenerate.
* testsuite/ehdr_start_def.cc: New source file.
* testsuite/ehdr_start_test.cc: New source file.
* testsuite/ehdr_start_test.t: New linker script.
* testsuite/ehdr_start_test_4.sh: New shell script.
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2014-05-02 16:33:43 -07:00 |
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