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* layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame

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section as relro.
	(Layout::set_segment_offsets): Reset increase_relro before calling
	set_section_addresses a second time.
This commit is contained in:
Ian Lance Taylor
2011-01-10 21:57:31 +00:00
parent cb11d1f450
commit 3bb951e542
2 changed files with 18 additions and 1 deletions
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12
gold/layout.cc
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@@ -1,6 +1,6 @@
// layout.cc -- lay out output file sections for gold
// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
@@ -912,6 +912,10 @@ Layout::layout_eh_frame(Sized_relobj<size, big_endian>* object,
{
os->update_flags_for_input_section(shdr.get_sh_flags());
// A writable .eh_frame section is a RELRO section.
if ((shdr.get_sh_flags() & elfcpp::SHF_WRITE) != 0)
os->set_is_relro();
// We found a .eh_frame section we are going to optimize, so now
// we can add the set of optimized sections to the output
// section. We need to postpone adding this until we've found a
@@ -2722,6 +2726,12 @@ Layout::set_segment_offsets(const Target* target, Output_segment* load_seg,
addr = align_address(addr, (*p)->maximum_alignment());
off = orig_off + ((addr - orig_addr) & (abi_pagesize - 1));
off = align_file_offset(off, addr, abi_pagesize);
increase_relro = this->increase_relro_;
if (this->script_options_->saw_sections_clause())
increase_relro = 0;
has_relro = false;
new_addr = (*p)->set_section_addresses(this, true, addr,
&increase_relro,
&has_relro,