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| author | Ian Lance Taylor <ian@airs.com> | 2009-10-14 05:25:02 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 2009-10-14 05:25:02 +0000 |
| commit | 374ad2854b4a69a0efdb29f8f1122b4472e8055b (patch) | |
| tree | bdef35b60f15322094f5a6c77b05bfa2416dc074 /gold/options.cc | |
| parent | fc1ed737279ecd7ab047b583a411e626a678207d (diff) | |
| download | gdb-374ad2854b4a69a0efdb29f8f1122b4472e8055b.zip gdb-374ad2854b4a69a0efdb29f8f1122b4472e8055b.tar.gz gdb-374ad2854b4a69a0efdb29f8f1122b4472e8055b.tar.bz2 | |
Add support for -pie.
* options.h (class General_options): Add -pie and
--pic-executable.
(General_options::output_is_position_independent): Test -pie.
(General_options::output_is_executable): Return true if not shared
and not relocatable.
(General_options::output_is_pie): Remove.
* options.cc (General_options::finalize): Reject incompatible uses
of -pie.
* gold.cc (queue_middle_tasks): A -pie link is not static.
* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
* symtab.cc (Symbol::final_value_is_known): Return false if
output_is_position_independent.
* layout.cc (Layout::set_segment_offsets): Start at address 0 if
output_is_position_independent.
* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
output_is_position_independent.
* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
output_is_position_independent.
* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
two_file_pie_test.
(basic_pie_test.o, basic_pie_test): New targets.
(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
(two_file_pie_test): New target.
* testsuite/Makefile.in: Rebuild.
* README: Remove note saying that -pie is not supported.
Diffstat (limited to 'gold/options.cc')
| -rw-r--r-- | gold/options.cc | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gold/options.cc b/gold/options.cc index 5be414d..299a748 100644 --- a/gold/options.cc +++ b/gold/options.cc @@ -1001,17 +1001,24 @@ General_options::finalize() // Now that we've normalized the options, check for contradictory ones. if (this->shared() && this->is_static()) gold_fatal(_("-shared and -static are incompatible")); + if (this->shared() && this->pie()) + gold_fatal(_("-shared and -pie are incompatible")); if (this->shared() && this->relocatable()) gold_fatal(_("-shared and -r are incompatible")); + if (this->pie() && this->relocatable()) + gold_fatal(_("-pie and -r are incompatible")); // TODO: implement support for -retain-symbols-file with -r, if needed. if (this->relocatable() && this->retain_symbols_file()) gold_fatal(_("-retain-symbols-file does not yet work with -r")); if (this->oformat_enum() != General_options::OBJECT_FORMAT_ELF - && (this->shared() || this->relocatable())) - gold_fatal(_("binary output format not compatible with -shared or -r")); + && (this->shared() + || this->pie() + || this->relocatable())) + gold_fatal(_("binary output format not compatible " + "with -shared or -pie or -r")); if (this->user_set_hash_bucket_empty_fraction() && (this->hash_bucket_empty_fraction() < 0.0 |