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| author | Cary Coutant <ccoutant@google.com> | 2014-04-02 14:21:14 -0700 |
|---|---|---|
| committer | Cary Coutant <ccoutant@google.com> | 2014-05-02 16:33:43 -0700 |
| commit | d1bddd3c4b9c17736bf6c59aa336670a589ca844 (patch) | |
| tree | 22accc61c3d63aa3cf79facc32915548d0ad9c69 /gold/defstd.cc | |
| parent | 30a1e6cc7750ce016ea70afa795c0764d07d21ae (diff) | |
| download | binutils-gdb-d1bddd3c4b9c17736bf6c59aa336670a589ca844.tar.gz | |
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.
Diffstat (limited to 'gold/defstd.cc')
| -rw-r--r-- | gold/defstd.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gold/defstd.cc b/gold/defstd.cc index a50e75de80b..cee68a03ed7 100644 --- a/gold/defstd.cc +++ b/gold/defstd.cc @@ -141,6 +141,20 @@ const Define_symbol_in_segment in_segment[] = true // only_if_ref }, { + "__ehdr_start", // name + elfcpp::PT_LOAD, // segment_type + elfcpp::PF(0), // segment_flags_set + elfcpp::PF(0), // segment_flags_clear + 0, // value + 0, // size + elfcpp::STT_NOTYPE, // type + elfcpp::STB_GLOBAL, // binding + elfcpp::STV_HIDDEN, // visibility + 0, // nonvis + Symbol::SEGMENT_START, // offset_from_base + true // only_if_ref + }, + { "etext", // name elfcpp::PT_LOAD, // segment_type elfcpp::PF_X, // segment_flags_set |