* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.

Handle --strip-lto-sections option.
	* options.h (strip_lto_sections): New option.
This commit is contained in:
Cary Coutant 2008-12-05 21:13:35 +00:00
parent 116e096528
commit fd06b4aa51
3 changed files with 19 additions and 0 deletions

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@ -1,3 +1,9 @@
2008-12-05 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
Handle --strip-lto-sections option.
* options.h (strip_lto_sections): New option.
2008-12-01 Cary Coutant <ccoutant@google.com>
* plugin.cc (ld_plugin_message): Change format parameter to const.

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@ -206,6 +206,9 @@ bool
Layout::include_section(Sized_relobj<size, big_endian>*, const char* name,
const elfcpp::Shdr<size, big_endian>& shdr)
{
if (shdr.get_sh_flags() & elfcpp::SHF_EXCLUDE)
return false;
switch (shdr.get_sh_type())
{
case elfcpp::SHT_NULL:
@ -256,6 +259,14 @@ Layout::include_section(Sized_relobj<size, big_endian>*, const char* name,
&& !is_gdb_debug_section(name))
return false;
}
if (parameters->options().strip_lto_sections()
&& !parameters->options().relocatable()
&& (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
{
// Ignore LTO sections containing intermediate code.
if (is_prefix_of(".gnu.lto_", name))
return false;
}
return true;
default:

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@ -748,6 +748,8 @@ class General_options
DEFINE_bool(strip_debug_gdb, options::TWO_DASHES, '\0', false,
N_("Strip debug symbols that are unused by gdb "
"(at least versions <= 6.7)"), NULL);
DEFINE_bool(strip_lto_sections, options::TWO_DASHES, '\0', true,
N_("Strip LTO intermediate code sections"), NULL);
DEFINE_bool(shared, options::ONE_DASH, '\0', false,
N_("Generate shared library"), NULL);