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PR 11866
* output.cc (Output_segment::set_offset): Search for the first and last sections rather than assuming that the list is in order. (Output_segment::find_first_and_last_list): New function. * output.h (class Output_segment): Update declarations. * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test. (relro_strip_test_SOURCES): New variable. (relro_strip_test_DEPENDENCIES): New variable. (relro_strip_test_LDFLAGS): New variable. (relro_strip_test_LDADD): New variable. (relro_strip_test.so): New target.
This commit is contained in:
Ian Lance Taylor
parent
85cfcbfb1a
commit
5f1ab67afc
@ -1,3 +1,17 @@
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2010-08-02 Ian Lance Taylor <iant@google.com>
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PR 11866
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* output.cc (Output_segment::set_offset): Search for the first and
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last sections rather than assuming that the list is in order.
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(Output_segment::find_first_and_last_list): New function.
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* output.h (class Output_segment): Update declarations.
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* testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
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(relro_strip_test_SOURCES): New variable.
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(relro_strip_test_DEPENDENCIES): New variable.
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(relro_strip_test_LDFLAGS): New variable.
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(relro_strip_test_LDADD): New variable.
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(relro_strip_test.so): New target.
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2010-08-02 Ian Lance Taylor <iant@google.com>
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* i386.cc (class Target_i386): Add got_tlsdesc_ field.
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@ -4042,11 +4042,14 @@ Output_segment::set_offset(unsigned int increase)
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return;
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}
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const Output_data* first;
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if (this->output_data_.empty())
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first = this->output_bss_.front();
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else
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first = this->output_data_.front();
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// Find the first and last section by address. The sections may
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// have been sorted for the PT_LOAD segment.
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const Output_data* first = NULL;
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const Output_data* last_data = NULL;
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const Output_data* last_bss = NULL;
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this->find_first_and_last_list(&this->output_data_, &first, &last_data);
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this->find_first_and_last_list(&this->output_bss_, &first, &last_bss);
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this->vaddr_ = first->address();
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this->paddr_ = (first->has_load_address()
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? first->load_address()
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@ -4057,18 +4060,11 @@ Output_segment::set_offset(unsigned int increase)
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if (this->output_data_.empty())
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this->filesz_ = 0;
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else
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{
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const Output_data* last_data = this->output_data_.back();
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this->filesz_ = (last_data->address()
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+ last_data->data_size()
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- this->vaddr_);
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}
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const Output_data* last;
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if (this->output_bss_.empty())
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last = this->output_data_.back();
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else
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last = this->output_bss_.back();
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const Output_data* last = last_bss != NULL ? last_bss : last_data;
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this->memsz_ = (last->address()
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+ last->data_size()
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- this->vaddr_);
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@ -4087,6 +4083,37 @@ Output_segment::set_offset(unsigned int increase)
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}
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}
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// Look through a list of Output_data objects and find the first and
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// last by address.
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void
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Output_segment::find_first_and_last_list(const Output_data_list* pdl,
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const Output_data** pfirst,
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const Output_data** plast) const
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{
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const Output_data* first = *pfirst;
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const Output_data* last = *plast;
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for (Output_data_list::const_iterator p = pdl->begin(); p != pdl->end(); ++p)
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{
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if (first == NULL
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|| (*p)->address() < first->address()
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|| ((*p)->address() == first->address()
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&& (*p)->data_size() < first->data_size()))
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{
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first = *p;
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*pfirst = first;
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}
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if (last == NULL
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|| (*p)->address() > last->address()
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|| ((*p)->address() == last->address()
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&& (*p)->data_size() > last->data_size()))
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{
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last = *p;
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*plast = last;
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}
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}
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}
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// Set the TLS offsets of the sections in the PT_TLS segment.
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void
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@ -4023,6 +4023,12 @@ class Output_segment
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Output_section** found,
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uint64_t* found_lma) const;
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// Find the first and last entries by address.
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void
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find_first_and_last_list(const Output_data_list* pdl,
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const Output_data** pfirst,
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const Output_data** plast) const;
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// Write the section headers in the list into V.
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template<int size, bool big_endian>
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unsigned char*
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@ -1078,6 +1078,14 @@ relro_test.so: gcctestdir/ld relro_test_pic.o
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relro_test_pic.o: relro_test.cc
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$(CXXCOMPILE) -c -fpic -o $@ $<
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check_PROGRAMS += relro_strip_test
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relro_strip_test_SOURCES = relro_test_main.cc
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relro_strip_test_DEPENDENCIES = gcctestdir/ld relro_strip_test.so
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relro_strip_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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relro_strip_test_LDADD = relro_strip_test.so
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relro_strip_test.so: relro_test.so
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$(TEST_STRIP) -o $@ $<
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check_PROGRAMS += relro_script_test
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relro_script_test_SOURCES = relro_test_main.cc
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relro_script_test_DEPENDENCIES = gcctestdir/ld relro_script_test.so
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@ -236,6 +236,7 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 ver_test_8 ver_test_9 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_11 protected_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2 relro_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_strip_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_script_test script_test_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test script_test_3 \
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@ -496,6 +497,7 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_strip_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_script_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2$(EXEEXT) \
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@ -795,6 +797,11 @@ protected_2_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
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relro_script_test_OBJECTS = $(am_relro_script_test_OBJECTS)
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relro_script_test_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
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$(relro_script_test_LDFLAGS) $(LDFLAGS) -o $@
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_relro_strip_test_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test_main.$(OBJEXT)
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relro_strip_test_OBJECTS = $(am_relro_strip_test_OBJECTS)
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relro_strip_test_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
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$(relro_strip_test_LDFLAGS) $(LDFLAGS) -o $@
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_relro_test_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test_main.$(OBJEXT)
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relro_test_OBJECTS = $(am_relro_test_OBJECTS)
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@ -1141,10 +1148,11 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c basic_pie_test.c \
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plugin_test_2.c plugin_test_3.c plugin_test_4.c \
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plugin_test_5.c plugin_test_6.c plugin_test_7.c \
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plugin_test_8.c $(protected_1_SOURCES) $(protected_2_SOURCES) \
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$(relro_script_test_SOURCES) $(relro_test_SOURCES) \
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$(script_test_1_SOURCES) $(script_test_2_SOURCES) \
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script_test_3.c $(searched_file_test_SOURCES) \
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$(thin_archive_test_1_SOURCES) $(thin_archive_test_2_SOURCES) \
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$(relro_script_test_SOURCES) $(relro_strip_test_SOURCES) \
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$(relro_test_SOURCES) $(script_test_1_SOURCES) \
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$(script_test_2_SOURCES) script_test_3.c \
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$(searched_file_test_SOURCES) $(thin_archive_test_1_SOURCES) \
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$(thin_archive_test_2_SOURCES) \
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$(tls_phdrs_script_test_SOURCES) $(tls_pic_test_SOURCES) \
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tls_pie_pic_test.c tls_pie_test.c $(tls_script_test_SOURCES) \
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$(tls_shared_gd_to_ie_test_SOURCES) \
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@ -1739,6 +1747,10 @@ binary_unittest_SOURCES = binary_unittest.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_test_DEPENDENCIES = gcctestdir/ld relro_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_test_LDADD = relro_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_strip_test_SOURCES = relro_test_main.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_strip_test_DEPENDENCIES = gcctestdir/ld relro_strip_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_strip_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_strip_test_LDADD = relro_strip_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_script_test_SOURCES = relro_test_main.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_script_test_DEPENDENCIES = gcctestdir/ld relro_script_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_script_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@ -2066,6 +2078,9 @@ protected_2$(EXEEXT): $(protected_2_OBJECTS) $(protected_2_DEPENDENCIES)
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relro_script_test$(EXEEXT): $(relro_script_test_OBJECTS) $(relro_script_test_DEPENDENCIES)
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@rm -f relro_script_test$(EXEEXT)
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$(relro_script_test_LINK) $(relro_script_test_OBJECTS) $(relro_script_test_LDADD) $(LIBS)
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relro_strip_test$(EXEEXT): $(relro_strip_test_OBJECTS) $(relro_strip_test_DEPENDENCIES)
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@rm -f relro_strip_test$(EXEEXT)
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$(relro_strip_test_LINK) $(relro_strip_test_OBJECTS) $(relro_strip_test_LDADD) $(LIBS)
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relro_test$(EXEEXT): $(relro_test_OBJECTS) $(relro_test_DEPENDENCIES)
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@rm -f relro_test$(EXEEXT)
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$(relro_test_LINK) $(relro_test_OBJECTS) $(relro_test_LDADD) $(LIBS)
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@ -2812,6 +2827,8 @@ protected_2.log: protected_2$(EXEEXT)
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@p='protected_2$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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relro_test.log: relro_test$(EXEEXT)
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@p='relro_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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relro_strip_test.log: relro_strip_test$(EXEEXT)
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@p='relro_strip_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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relro_script_test.log: relro_script_test$(EXEEXT)
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@p='relro_script_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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script_test_1.log: script_test_1$(EXEEXT)
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@ -3428,6 +3445,8 @@ uninstall-am:
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,-z,relro relro_test_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_test_pic.o: relro_test.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_strip_test.so: relro_test.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_STRIP) -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@relro_script_test.so: gcctestdir/ld relro_script_test.t relro_test_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,-z,relro -T $(srcdir)/relro_script_test.t relro_test_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_2.o: justsyms_2.cc
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