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| author | Andrew Hsieh <andrewhsieh@google.com> | 2014-12-09 17:57:18 +0800 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2014-12-09 19:50:14 +0800 |
| commit | 5e8c1cf25beccac1d22d10dc866912394f42771b (patch) | |
| tree | ee16b70f804484dc8e434e647e699ab50da2620f /binutils-2.25/gold/resolve.cc | |
| parent | 8eebd7953384e6662ca926b003f2cdda8ccd3ee5 (diff) | |
| download | toolchain_binutils-5e8c1cf25beccac1d22d10dc866912394f42771b.tar.gz toolchain_binutils-5e8c1cf25beccac1d22d10dc866912394f42771b.tar.bz2 toolchain_binutils-5e8c1cf25beccac1d22d10dc866912394f42771b.zip | |
[2.25] sync to a30720e3e633f275250e26f85ccae5dbdddfb6c6
local patches will be re-applied later
commit a30720e3e633f275250e26f85ccae5dbdddfb6c6
Author: Alan Modra <amodra@gmail.com>
Date: Wed Nov 19 10:30:16 2014 +1030
daily update
Change-Id: Ieb2a3f4dd2ecb289ac5305ff08d428b2847494ab
Diffstat (limited to 'binutils-2.25/gold/resolve.cc')
| -rw-r--r-- | binutils-2.25/gold/resolve.cc | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/binutils-2.25/gold/resolve.cc b/binutils-2.25/gold/resolve.cc index 3b6e7069..07dff4ad 100644 --- a/binutils-2.25/gold/resolve.cc +++ b/binutils-2.25/gold/resolve.cc @@ -1,6 +1,6 @@ // resolve.cc -- symbol resolution for gold -// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. +// Copyright (C) 2006-2014 Free Software Foundation, Inc. // Written by Ian Lance Taylor <iant@google.com>. // This file is part of gold. @@ -303,14 +303,32 @@ Symbol_table::resolve(Sized_symbol<size>* to, // If we're processing replacement files, allow new symbols to override // the placeholders from the plugin objects. + // Treat common symbols specially since it is possible that an ELF + // file increased the size of the alignment. if (to->source() == Symbol::FROM_OBJECT) { Pluginobj* obj = to->object()->pluginobj(); if (obj != NULL && parameters->options().plugins()->in_replacement_phase()) { - this->override(to, sym, st_shndx, is_ordinary, object, version); - return; + bool adjust_common = false; + typename Sized_symbol<size>::Size_type tosize = 0; + typename Sized_symbol<size>::Value_type tovalue = 0; + if (to->is_common() && !is_ordinary && st_shndx == elfcpp::SHN_COMMON) + { + adjust_common = true; + tosize = to->symsize(); + tovalue = to->value(); + } + this->override(to, sym, st_shndx, is_ordinary, object, version); + if (adjust_common) + { + if (tosize > to->symsize()) + to->set_symsize(tosize); + if (tovalue > to->value()) + to->set_value(tovalue); + } + return; } } @@ -915,6 +933,10 @@ Symbol::override_base_with_special(const Symbol* from) bool same_name = this->name_ == from->name_; gold_assert(same_name || this->has_alias()); + // If we are overriding an undef, remember the original binding. + if (this->is_undefined()) + this->set_undef_binding(this->binding_); + this->source_ = from->source_; switch (from->source_) { |