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| author | Cary Coutant <ccoutant@gmail.com> | 2016-05-19 14:58:18 -0700 |
|---|---|---|
| committer | Cary Coutant <ccoutant@gmail.com> | 2016-05-19 15:05:03 -0700 |
| commit | 6eeb0170bbb43ffb73e8f01b8b481adde8194c21 (patch) | |
| tree | d01fc9c0add92397bb2af0b2bb308b2cb3d7ab57 /gold/symtab.cc | |
| parent | 15eb1bebe1525ba8baf1f56e9df791cff146a352 (diff) | |
| download | gdb-6eeb0170bbb43ffb73e8f01b8b481adde8194c21.zip gdb-6eeb0170bbb43ffb73e8f01b8b481adde8194c21.tar.gz gdb-6eeb0170bbb43ffb73e8f01b8b481adde8194c21.tar.bz2 | |
Don't allow COPY relocations for protected symbols.
gold/
PR gold/19823
* copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
parameter; check for protected symbol.
* copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
* mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
* symtab.cc (Symbol::init_fields): Initialize is_protected_.
(Symbol_table::add_from_dynobj): Mark protected symbols.
* symtab.h (Symbol::is_protected): New method.
(Symbol::set_is_protected): New method.
(Symbol::is_protected_): New data member.
* testsuite/Makefile.am (copy_test_protected): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/copy_test.cc (main): Add legal reference to protected
symbol.
* testsuite/copy_test_v1.cc (main): Likewise.
* testsuite/copy_test_2.cc (ip): Add protected symbol.
* testsuite/copy_test_protected.cc: New test source file.
* testsuite/copy_test_protected.sh: New test script.
Diffstat (limited to 'gold/symtab.cc')
| -rw-r--r-- | gold/symtab.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gold/symtab.cc b/gold/symtab.cc index a7edbb1..5ce5c31 100644 --- a/gold/symtab.cc +++ b/gold/symtab.cc @@ -80,6 +80,7 @@ Symbol::init_fields(const char* name, const char* version, this->undef_binding_set_ = false; this->undef_binding_weak_ = false; this->is_predefined_ = false; + this->is_protected_ = false; } // Return the demangled version of the symbol's name, but only @@ -1610,6 +1611,13 @@ Symbol_table::add_from_dynobj( && res->object() == dynobj) object_symbols.push_back(res); + // If the symbol has protected visibility in the dynobj, + // mark it as such if it was not overridden. + if (res->source() == Symbol::FROM_OBJECT + && res->object() == dynobj + && sym.get_st_visibility() == elfcpp::STV_PROTECTED) + res->set_is_protected(); + if (sympointers != NULL) (*sympointers)[i] = res; } |