diff options
| author | Rahul Chaudhry <rahulchaudhry@google.com> | 2017-02-15 00:37:10 -0800 |
|---|---|---|
| committer | Cary Coutant <ccoutant@gmail.com> | 2017-02-15 00:37:10 -0800 |
| commit | 4aebb6312eb5dcd12f2f8420028547584b708907 (patch) | |
| tree | 3ddb862e883a0ae0c3cb7f4e517f32b33979c360 /gold/testsuite/Makefile.am | |
| parent | 4e746bb68947abd2f64ced0dcf5a00021571e45d (diff) | |
| download | gdb-4aebb6312eb5dcd12f2f8420028547584b708907.zip gdb-4aebb6312eb5dcd12f2f8420028547584b708907.tar.gz gdb-4aebb6312eb5dcd12f2f8420028547584b708907.tar.bz2 | |
Improved support for --icf=safe when used with -pie.
gold/
* x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
Return true even when building pie binaries.
(Target_x86_64::possible_function_pointer_reloc): Check opcode
for R_X86_64_PC32 relocations.
(Target_x86_64::local_reloc_may_be_function_pointer): Pass
extra arguments to local_reloc_may_be_function_pointer.
(Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
* gc.h (gc_process_relocs): Add check for STT_FUNC.
* testsuite/Makefile.am (icf_safe_pie_test): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/icf_safe_pie_test.sh: New shell script.
Diffstat (limited to 'gold/testsuite/Makefile.am')
| -rw-r--r-- | gold/testsuite/Makefile.am | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index d9480ab..d0803d2 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -274,6 +274,20 @@ icf_safe_test_1.stdout: icf_safe_test icf_safe_test_2.stdout: icf_safe_test $(TEST_READELF) -h $< > $@ +check_SCRIPTS += icf_safe_pie_test.sh +check_DATA += icf_safe_pie_test_1.stdout icf_safe_pie_test_2.stdout icf_safe_pie_test.map +MOSTLYCLEANFILES += icf_safe_pie_test icf_safe_pie_test.map +icf_safe_pie_test.o: icf_safe_test.cc + $(CXXCOMPILE) -O0 -c -ffunction-sections -fPIE -g -o $@ $< +icf_safe_pie_test: icf_safe_pie_test.o gcctestdir/ld + $(CXXLINK) -o icf_safe_pie_test -Bgcctestdir/ -Wl,--icf=safe,-Map,icf_safe_pie_test.map icf_safe_pie_test.o -pie +icf_safe_pie_test.map: icf_safe_pie_test + @touch icf_safe_pie_test.map +icf_safe_pie_test_1.stdout: icf_safe_pie_test + $(TEST_NM) $< > $@ +icf_safe_pie_test_2.stdout: icf_safe_pie_test + $(TEST_READELF) -h $< > $@ + check_SCRIPTS += icf_safe_so_test.sh check_DATA += icf_safe_so_test_1.stdout icf_safe_so_test_2.stdout icf_safe_so_test.map MOSTLYCLEANFILES += icf_safe_so_test icf_safe_so_test.map |