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| author | H.J. Lu <hjl.tools@gmail.com> | 2019-02-27 13:21:46 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2019-02-27 13:21:55 -0800 |
| commit | 92ad88fe72194ccb72a5f34fa3c76078bfc89400 (patch) | |
| tree | 0efb813db9d768886d738866816bc716bbb604aa | |
| parent | 6bd4d02ee997f5b073583c5d8638ffdefedb13bc (diff) | |
| download | glibc-92ad88fe72194ccb72a5f34fa3c76078bfc89400.tar.gz | |
elf/Makefile: Run IFUNC tests if binutils supports IFUNC
We should run IFUNC tests with --disable-multi-arch if the toolchain
supports IFUNCs. For correctness, --disable-multi-arch must not
remove IFUNC support from the loader.
Tested on x86-64, x32 and i686 with and without --disable-multi-arch.
* configure.ac (have-ifunc): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* elf/Makefile: Run IFUNC tests if binutils supports IFUNC.
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | elf/Makefile | 2 |
4 files changed, 10 insertions, 1 deletions
@@ -1,3 +1,9 @@ +2019-02-27 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac (have-ifunc): New LIBC_CONFIG_VAR. + * configure: Regenerated. + * elf/Makefile: Run IFUNC tests if binutils supports IFUNC. + 2019-02-27 Adhemerval Zanella <adhemerval.zanella@linaro.org> * sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c: Define ifunc @@ -6794,6 +6794,8 @@ if test x"$libc_cv_ld_gnu_indirect_function" = xyes; then $as_echo "#define HAVE_IFUNC 1" >>confdefs.h fi +config_vars="$config_vars +have-ifunc = $libc_cv_ld_gnu_indirect_function" if test x"$libc_cv_gcc_indirect_function" = xyes; then $as_echo "#define HAVE_GCC_IFUNC 1" >>confdefs.h diff --git a/configure.ac b/configure.ac index ad50e290d4..598ba6c4ae 100644 --- a/configure.ac +++ b/configure.ac @@ -1804,6 +1804,7 @@ AC_SUBST(libc_cv_gcc_unwind_find_fde) if test x"$libc_cv_ld_gnu_indirect_function" = xyes; then AC_DEFINE(HAVE_IFUNC) fi +LIBC_CONFIG_VAR([have-ifunc], [$libc_cv_ld_gnu_indirect_function]) if test x"$libc_cv_gcc_indirect_function" = xyes; then AC_DEFINE(HAVE_GCC_IFUNC) diff --git a/elf/Makefile b/elf/Makefile index faec577d1c..e44960e5fe 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -321,7 +321,7 @@ modules-names-nobuild := filtmod1 tests += $(tests-static) -ifneq (no,$(multi-arch)) +ifeq (yes,$(have-ifunc)) tests-ifuncstatic := ifuncmain1static ifuncmain1picstatic \ ifuncmain2static ifuncmain2picstatic \ ifuncmain4static ifuncmain4picstatic \ |