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Fix extraneous complaints about missing expected TLS relocation. 

With some versions of gas, the call to tls_get_addr uses a GOTPCREL
relocation instead of a GOTPCRELX relocation. We should allow for that
when skip_call_tls_get_addr_ is true. We should also build the test
objects with the in-tree assembler.

This patch also fixes some cascading error messages caused by not
resetting the skip_call_tls_get_addr_ flag after printing the error.

gold/
	PR gold/20216
	* x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
	R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
	error message.
	* testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
	(pr20216_ld.o): Likewise.
	* testsuite/Makefile.in: Regenerate.
This commit is contained in:
Cary Coutant 2016-08-10 10:57:42 -07:00
parent 2c00092dce
commit f571390111
4 changed files with 16 additions and 4 deletions
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10
gold/ChangeLog
View File

@ -1,3 +1,13 @@
2016-08-10 Cary Coutant <ccoutant@gmail.com>
PR gold/20216
* x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
error message.
* testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
(pr20216_ld.o): Likewise.
* testsuite/Makefile.in: Regenerate.
2016-08-10 James Clarke <jrtc27@jrtc27.com>
PR gold/20443

4
gold/testsuite/Makefile.am
View File

@ -1193,10 +1193,10 @@ pr20216b.so: pr20216_def.o gcctestdir/ld
$(LINK) -Bgcctestdir/ -shared pr20216_def.o
pr20216_gd.o: pr20216_gd.S
$(COMPILE) -c -o $@ $<
$(COMPILE) -Bgcctestdir/ -c -o $@ $<
pr20216_ld.o: pr20216_ld.S
$(COMPILE) -c -o $@ $<
$(COMPILE) -Bgcctestdir/ -c -o $@ $<
endif DEFAULT_TARGET_X86_64_OR_X32

4
gold/testsuite/Makefile.in
View File

@ -6151,10 +6151,10 @@ uninstall-am:
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ -shared pr20216_def.o
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@pr20216_gd.o: pr20216_gd.S
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $<
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -Bgcctestdir/ -c -o $@ $<
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@pr20216_ld.o: pr20216_ld.S
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $<
@DEFAULT_TARGET_X86_64_OR_X32_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -Bgcctestdir/ -c -o $@ $<
@DEFAULT_TARGET_I386_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@i386_mov_to_lea1.o: i386_mov_to_lea1.s
@DEFAULT_TARGET_I386_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AS) --32 -o $@ $<

2
gold/x86_64.cc
View File

@ -3505,6 +3505,7 @@ Target_x86_64<size>::Relocate::relocate(
if (this->skip_call_tls_get_addr_)
{
if ((r_type != elfcpp::R_X86_64_PLT32
&& r_type != elfcpp::R_X86_64_GOTPCREL
&& r_type != elfcpp::R_X86_64_GOTPCRELX
&& r_type != elfcpp::R_X86_64_PLT32_BND
&& r_type != elfcpp::R_X86_64_PC32_BND
@ -3514,6 +3515,7 @@ Target_x86_64<size>::Relocate::relocate(
{
gold_error_at_location(relinfo, relnum, rela.get_r_offset(),
_("missing expected TLS relocation"));
this->skip_call_tls_get_addr_ = false;
}
else
{