diff options
| author | Ian Lance Taylor <ian@airs.com> | 2011-01-10 21:57:31 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 2011-01-10 21:57:31 +0000 |
| commit | 3bb951e542447c383f81b512ce44f5dd203441d9 (patch) | |
| tree | a14a433bc6a18c669d3395d684164687317744dc /gold | |
| parent | cb11d1f450c9319dbce0018bf3e41acf675f4a39 (diff) | |
| download | gdb-3bb951e542447c383f81b512ce44f5dd203441d9.zip gdb-3bb951e542447c383f81b512ce44f5dd203441d9.tar.gz gdb-3bb951e542447c383f81b512ce44f5dd203441d9.tar.bz2 | |
* layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
section as relro.
(Layout::set_segment_offsets): Reset increase_relro before calling
set_section_addresses a second time.
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 7 | ||||
| -rw-r--r-- | gold/layout.cc | 12 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index ef9771f..a1207cf 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,10 @@ +2011-01-10 Ian Lance Taylor <iant@google.com> + + * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame + section as relro. + (Layout::set_segment_offsets): Reset increase_relro before calling + set_section_addresses a second time. + 2011-01-04 Cary Coutant <ccoutant@google.com> * script-sections.cc (Sort_output_sections::operator()): Sort TLS diff --git a/gold/layout.cc b/gold/layout.cc index 9bf9a9f..63b9e0d 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -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, |