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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/symtab.h | |
| 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/symtab.h')
| -rw-r--r-- | gold/symtab.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gold/symtab.h b/gold/symtab.h index d186cc1..d1cd647 100644 --- a/gold/symtab.h +++ b/gold/symtab.h @@ -533,7 +533,7 @@ class Symbol // Return true if this symbol is a function that needs a PLT entry. // If the symbol is defined in a dynamic object or if it is subject // to pre-emption, we need to make a PLT entry. If we're doing a - // static link, we don't create PLT entries. + // static link or a -pie link, we don't create PLT entries. bool needs_plt_entry() const { @@ -542,6 +542,7 @@ class Symbol return false; return (!parameters->doing_static_link() + && !parameters->options().pie() && this->type() == elfcpp::STT_FUNC && (this->is_from_dynobj() || this->is_undefined() |