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author | Ian Lance Taylor <ian@airs.com> | 2008-08-13 07:37:46 +0000 |
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committer | Ian Lance Taylor <ian@airs.com> | 2008-08-13 07:37:46 +0000 |
commit | 2d924fd9ebc6a97f9ef93208597e563c88f5e9e8 (patch) | |
tree | ecbfc504dee9ce3475f988e5bce567d070e0c0c1 /gold/layout.cc | |
parent | 9e9a97982d36c9b5e6b3d79ecbaf68041981e23b (diff) | |
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* layout.cc (Layout::attach_allocated_section_to_segment): Don't
set tls_segment_ or relro_segment_.
(Layout::make_output_segment): Set tls_segment_ and relro_segment_
when appropriate.
* output.h (Output_section::clear_is_relro): New function.
* output.cc (Output_segment::add_output_section): Handle SHF_TLS
sections specially even when output_data_ is empty.
(Output_segment::maximum_alignment): When first section is relro,
only force alignment for PT_LOAD segments.
* script.cc (script_data_segment_align): New function.
(script_data_segment_relro_end): New function.
* script-c.h (script_data_segment_align): Declare.
(script_data_segment_relro_end): Declare.
* script-sections.h (class Script_sections): Declare
data_segment_align and data_segment_relro_end. Add fields
segment_align_index_ and saw_relro_end_.
* script-sections.cc (class Sections_element): Add set_is_relro
virtual function. Add new bool* parameter to place_orphan_here.
Add get_output_section virtual function.
(class Output_section_definition): Add set_is_relro. Add new
bool* parameter to place_orphan_here. Add get_output_section.
Add is_relro_ field.
(Output_section_definition::Output_section_definition): Initialize
evaluated_address_, evaluated_load_address, evaluated_addralign_,
and is_relro_ fields.
(Output_section_definition::place_orphan_here): Add is_relro
parameter.
(Output_section_definition::set_section_addresses): Set relro for
output section.
(Output_section_definition::alternate_constraint): Likewise.
(class Orphan_output_section): Add new bool* parameter to
place_orphan_here. Add get_output_section.
(Orphan_output_section::place_orphan_here): Add is_relro
parameter.
(Script_sections::Script_sections): Initialize
data_segment_align_index_ and saw_relro_end_.
(Script_sections::data_segment_align): New function.
(Script_sections::data_segment_relro_end): New function.
(Script_sections::place_orphan): Set or clear is_relro.
(Script_sections::set_section_addresses): Force alignment of first
TLS section.
* yyscript.y (exp): Call script_data_segment_align and
script_data_segment_relro_end.
* testsuite/relro_script_test.t: New file.
* testsuite/relro_test.cc (using_script): Declare.
(t1, t2): Test using_script.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
(relro_script_test_SOURCES): Define.
(relro_script_test_DEPENDENCIES): Define.
(relro_script_test_LDFLAGS): Define.
(relro_script_test_LDADD): Define.
(relro_script_test.so): New target.
* testsuite/Makefile.in: Rebuild.
Diffstat (limited to 'gold/layout.cc')
-rw-r--r-- | gold/layout.cc | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gold/layout.cc b/gold/layout.cc index a08ec72..99819d6 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -921,8 +921,7 @@ Layout::attach_allocated_section_to_segment(Output_section* os) if ((flags & elfcpp::SHF_TLS) != 0) { if (this->tls_segment_ == NULL) - this->tls_segment_ = this->make_output_segment(elfcpp::PT_TLS, - seg_flags); + this->make_output_segment(elfcpp::PT_TLS, seg_flags); this->tls_segment_->add_output_section(os, seg_flags); } @@ -932,8 +931,7 @@ Layout::attach_allocated_section_to_segment(Output_section* os) { gold_assert(seg_flags == (elfcpp::PF_R | elfcpp::PF_W)); if (this->relro_segment_ == NULL) - this->relro_segment_ = this->make_output_segment(elfcpp::PT_GNU_RELRO, - seg_flags); + this->make_output_segment(elfcpp::PT_GNU_RELRO, seg_flags); this->relro_segment_->add_output_section(os, seg_flags); } } @@ -2999,6 +2997,12 @@ Layout::make_output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags) gold_assert(!parameters->options().relocatable()); Output_segment* oseg = new Output_segment(type, flags); this->segment_list_.push_back(oseg); + + if (type == elfcpp::PT_TLS) + this->tls_segment_ = oseg; + else if (type == elfcpp::PT_GNU_RELRO) + this->relro_segment_ = oseg; + return oseg; } |