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* layout.h (class Layout): Add added_eh_frame_data_ field.

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* layout.cc (Layout::Layout): Initialize new field.
	(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
	output section until we find a section we merged successfully.
	* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
	that the size be non-zero.
This commit is contained in:
Ian Lance Taylor
2008-04-09 00:26:48 +00:00
parent c9825dba58
commit 2c38906f72
4 changed files with 25 additions and 5 deletions
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18
gold/layout.cc
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@@ -82,7 +82,8 @@ Layout::Layout(const General_options& options, Script_options* script_options)
unattached_section_list_(), special_output_list_(),
section_headers_(NULL), tls_segment_(NULL), symtab_section_(NULL),
dynsym_section_(NULL), dynamic_section_(NULL), dynamic_data_(NULL),
eh_frame_section_(NULL), eh_frame_data_(NULL), eh_frame_hdr_section_(NULL),
eh_frame_section_(NULL), eh_frame_data_(NULL),
added_eh_frame_data_(false), eh_frame_hdr_section_(NULL),
build_id_note_(NULL), group_signatures_(), output_file_size_(-1),
input_requires_executable_stack_(false),
input_with_gnu_stack_note_(false),
@@ -563,7 +564,6 @@ Layout::layout_eh_frame(Sized_relobj<size, big_endian>* object,
{
this->eh_frame_section_ = os;
this->eh_frame_data_ = new Eh_frame();
os->add_output_section_data(this->eh_frame_data_);
if (this->options_.eh_frame_hdr())
{
@@ -605,7 +605,19 @@ Layout::layout_eh_frame(Sized_relobj<size, big_endian>* object,
shndx,
reloc_shndx,
reloc_type))
*off = -1;
{
// 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
// section we can optimize so that the .eh_frame section in
// crtbegin.o winds up at the start of the output section.
if (!this->added_eh_frame_data_)
{
os->add_output_section_data(this->eh_frame_data_);
this->added_eh_frame_data_ = true;
}
*off = -1;
}
else
{
// We couldn't handle this .eh_frame section for some reason.