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-rw-r--r--ChangeLog21
-rw-r--r--config.make.in1
-rwxr-xr-xconfigure34
-rw-r--r--configure.ac23
-rw-r--r--elf/Makefile17
-rw-r--r--elf/tst-prelink.c (renamed from sysdeps/x86/tst-prelink.c)0
-rw-r--r--elf/tst-prelink.exp (renamed from sysdeps/x86/tst-prelink.exp)0
-rw-r--r--sysdeps/x86/Makefile15
8 files changed, 96 insertions, 15 deletions
diff --git a/ChangeLog b/ChangeLog
index b911aecafb..b1b25c60ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,24 @@
+2015-11-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config.make.in (have-glob-dat-reloc): New.
+ * configure.ac (libc_cv_has_glob_dat): New. Set to yes if
+ target supports GLOB_DAT relocaton. AC_SUBST.
+ * configure: Regenerated.
+ * elf/Makefile (tests): Add tst-prelink.
+ (tests-special): Add $(objpfx)tst-prelink-cmp.out.
+ (tst-prelink-ENV): New.
+ ($(objpfx)tst-prelink-conflict.out): Likewise.
+ ($(objpfx)tst-prelink-cmp.out): Likewise.
+ * sysdeps/x86/tst-prelink.c: Moved to ...
+ * elf/tst-prelink.c: Here.
+ * sysdeps/x86/tst-prelink.exp: Moved to ...
+ * elf/tst-prelink.exp: Here.
+ * sysdeps/x86/Makefile (tests): Don't add tst-prelink.
+ (tst-prelink-ENV): Removed.
+ ($(objpfx)tst-prelink-conflict.out): Likewise.
+ ($(objpfx)tst-prelink-cmp.out): Likewise.
+ (tests-special): Don't add $(objpfx)tst-prelink-cmp.out.
+
2015-11-13 Joseph Myers <joseph@codesourcery.com>
[BZ #14551]
diff --git a/config.make.in b/config.make.in
index 75bb9cc69e..ba9c60dcaa 100644
--- a/config.make.in
+++ b/config.make.in
@@ -50,6 +50,7 @@ enable-werror = @enable_werror@
have-z-combreloc = @libc_cv_z_combreloc@
have-z-execstack = @libc_cv_z_execstack@
have-protected-data = @libc_cv_protected_data@
+have-glob-dat-reloc = @libc_cv_has_glob_dat@
with-fp = @with_fp@
enable-timezone-tools = @enable_timezone_tools@
unwind-find-fde = @libc_cv_gcc_unwind_find_fde@
diff --git a/configure b/configure
index 01f5075767..90953f0fbd 100755
--- a/configure
+++ b/configure
@@ -622,6 +622,7 @@ libc_cv_cc_nofma
stack_protector
fno_unit_at_a_time
libc_cv_output_format
+libc_cv_has_glob_dat
libc_cv_hashstyle
libc_cv_fpie
libc_cv_z_execstack
@@ -5693,6 +5694,39 @@ $as_echo "$libc_cv_use_default_link" >&6; }
use_default_link=$libc_cv_use_default_link
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLOB_DAT reloc" >&5
+$as_echo_n "checking for GLOB_DAT reloc... " >&6; }
+if ${libc_cv_has_glob_dat+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat > conftest.c <<EOF
+extern int mumble;
+int foo (void) { return mumble; }
+EOF
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -nostdlib -nostartfiles
+ 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
+ if $READELF -rW conftest.so | grep '_GLOB_DAT' > /dev/null; then
+ libc_cv_has_glob_dat=yes
+ else
+ libc_cv_has_glob_dat=no
+ fi
+else
+ libc_cv_has_glob_dat=no
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_glob_dat" >&5
+$as_echo "$libc_cv_has_glob_dat" >&6; }
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker output format" >&5
$as_echo_n "checking linker output format... " >&6; }
if ${libc_cv_output_format+:} false; then :
diff --git a/configure.ac b/configure.ac
index 3fdf992f79..cd37433cae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1340,6 +1340,29 @@ $ac_try"
use_default_link=$libc_cv_use_default_link
fi
+AC_CACHE_CHECK(for GLOB_DAT reloc,
+ libc_cv_has_glob_dat, [dnl
+cat > conftest.c <<EOF
+extern int mumble;
+int foo (void) { return mumble; }
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -nostdlib -nostartfiles
+ 1>&AS_MESSAGE_LOG_FD])
+then
+dnl look for GLOB_DAT relocation.
+ if $READELF -rW conftest.so | grep '_GLOB_DAT' > /dev/null; then
+ libc_cv_has_glob_dat=yes
+ else
+ libc_cv_has_glob_dat=no
+ fi
+else
+ libc_cv_has_glob_dat=no
+fi
+rm -f conftest*])
+AC_SUBST(libc_cv_has_glob_dat)
+
AC_CACHE_CHECK(linker output format, libc_cv_output_format, [dnl
if libc_cv_output_format=`
${CC-cc} -nostartfiles -nostdlib -Wl,--print-output-format 2>&AS_MESSAGE_LOG_FD`
diff --git a/elf/Makefile b/elf/Makefile
index 76985ccd16..9d2dc5c1ba 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -302,6 +302,13 @@ check-abi: $(objpfx)check-abi-ld.out
tests-special += $(objpfx)check-abi-ld.out
update-abi: update-abi-ld
+ifeq ($(have-glob-dat-reloc),yes)
+tests += tst-prelink
+ifeq ($(run-built-tests),yes)
+tests-special += $(objpfx)tst-prelink-cmp.out
+endif
+endif
+
include ../Rules
ifeq (yes,$(build-shared))
@@ -1234,3 +1241,13 @@ $(objpfx)tst-audit12: $(libdl)
tst-audit12-ENV = LD_AUDIT=$(objpfx)tst-auditmod12.so
$(objpfx)tst-audit12mod1.so: $(objpfx)tst-audit12mod2.so
LDFLAGS-tst-audit12mod2.so = -Wl,--version-script=tst-audit12mod2.map
+
+tst-prelink-ENV = LD_TRACE_PRELINKING=1
+
+$(objpfx)tst-prelink-conflict.out: $(objpfx)tst-prelink.out
+ grep stdout $< | grep conflict | $(AWK) '{ print $$10, $$11 }' > $@
+
+$(objpfx)tst-prelink-cmp.out: tst-prelink.exp \
+ $(objpfx)tst-prelink-conflict.out
+ cmp $^ > $@; \
+ $(evaluate-test)
diff --git a/sysdeps/x86/tst-prelink.c b/elf/tst-prelink.c
index ab61c4ef31..ab61c4ef31 100644
--- a/sysdeps/x86/tst-prelink.c
+++ b/elf/tst-prelink.c
diff --git a/sysdeps/x86/tst-prelink.exp b/elf/tst-prelink.exp
index b35b4c9705..b35b4c9705 100644
--- a/sysdeps/x86/tst-prelink.exp
+++ b/elf/tst-prelink.exp
diff --git a/sysdeps/x86/Makefile b/sysdeps/x86/Makefile
index a2f4f8adf5..0de4f42168 100644
--- a/sysdeps/x86/Makefile
+++ b/sysdeps/x86/Makefile
@@ -7,19 +7,4 @@ sysdep-dl-routines += dl-get-cpu-features
tests += tst-get-cpu-features
tests-static += tst-get-cpu-features-static
-
-tests += tst-prelink
-tst-prelink-ENV = LD_TRACE_PRELINKING=1
-
-$(objpfx)tst-prelink-conflict.out: $(objpfx)tst-prelink.out
- grep stdout $< | grep conflict | $(AWK) '{ print $$10, $$11 }' > $@
-
-$(objpfx)tst-prelink-cmp.out: $(..)sysdeps/x86/tst-prelink.exp \
- $(objpfx)tst-prelink-conflict.out
- cmp $^ > $@; \
- $(evaluate-test)
-
-ifeq ($(run-built-tests),yes)
-tests-special += $(objpfx)tst-prelink-cmp.out
-endif
endif