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authorH.J. Lu <hjl.tools@gmail.com>2010-12-15 14:56:40 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-12-15 14:56:40 +0000
commit02ecc8e968f7524f4c41cd7942adff4ff31afe5c (patch)
treed380df5339289f8d485d5cf384ff3285f3516647 /ld/configure
parentbef6be3d9f7368a79569cdefefde45724aa64fa5 (diff)
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Add SORT_BY_INIT_PRIORITY.
bfd/ 2010-12-15 H.J. Lu <hongjiu.lu@intel.com> * elf.c (_bfd_elf_new_section_hook): Special handling for .init_array/.fini_array output sections. ld/ 2010-12-15 H.J. Lu <hongjiu.lu@intel.com> * Makefile.am (GENSCRIPTS): Add @enable_initfini_array@. * NEWS: Mention SORT_BY_INIT_PRIORITY. * configure.in: Add AC_CANONICAL_BUILD. Add --enable-initfini-array. * genscripts.sh (ENABLE_INITFINI_ARRAY): New. * ld.h (sort_type): Add by_init_priority. * ld.texinfo: Document SORT_BY_INIT_PRIORITY. * ldgram.y (SORT_BY_INIT_PRIORITY): New. (wildcard_spec): Handle SORT_BY_INIT_PRIORITY. * ldlang.c (get_init_priority): New. (compare_section): Use get_init_priority for by_init_priority. * ldlex.l (SORT_BY_INIT_PRIORITY): New. * scripttempl/elf.sc: Support ENABLE_INITFINI_ARRAY. * Makefile.in: Regenerated. * aclocal.m4: Regenerated. * config.in: Likewise. * configure: Likewise. ld/testsuite/ 2010-12-15 H.J. Lu <hongjiu.lu@intel.com> * ld-elf/elf.exp (array_tests): Add init-mixed. (array_tests_static): Likewise. Also delete tmpdir/init-mixed. * ld-elf/init-mixed.c: New. * ld-elf/init-mixed.out: Likewise.
Diffstat (limited to 'ld/configure')
-rwxr-xr-xld/configure56
1 files changed, 54 insertions, 2 deletions
diff --git a/ld/configure b/ld/configure
index 088c721..a6802dd 100755
--- a/ld/configure
+++ b/ld/configure
@@ -609,6 +609,7 @@ EMUL_EXTRA_OFILES
EMULATION_OFILES
EMUL
STRINGIFY
+enable_initfini_array
ENABLE_PLUGINS_FALSE
ENABLE_PLUGINS_TRUE
NATIVE_LIB_DIRS
@@ -778,6 +779,7 @@ enable_fast_install
with_gnu_ld
enable_libtool_lock
enable_nls
+enable_initfini_array
'
ac_precious_vars='build_alias
host_alias
@@ -1427,6 +1429,7 @@ Optional Features:
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
--disable-nls do not use Native Language Support
+ --enable-initfini-array use .init_array/.fini_array sections
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@@ -2591,6 +2594,7 @@ test -n "$target_alias" &&
test "$program_prefix$program_suffix$program_transform_name" = \
NONENONEs,x,x, &&
program_prefix=${target_alias}-
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -11622,7 +11626,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11625 "configure"
+#line 11629 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11728,7 +11732,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11731 "configure"
+#line 11735 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -12944,6 +12948,54 @@ else
fi
+# Check whether --enable-initfini-array was given.
+if test "${enable_initfini_array+set}" = set; then :
+ enableval=$enable_initfini_array;
+else
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .preinit_array/.init_array/.fini_array support" >&5
+$as_echo_n "checking for .preinit_array/.init_array/.fini_array support... " >&6; }
+if test "${gcc_cv_initfini_array+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test "x${build}" = "x${target}" ; then
+ if test "$cross_compiling" = yes; then :
+ gcc_cv_initfini_array=no
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+static int x = -1;
+int main (void) { return x; }
+int foo (void) { x = 0; }
+int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ gcc_cv_initfini_array=yes
+else
+ gcc_cv_initfini_array=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ else
+ gcc_cv_initfini_array=no
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_initfini_array" >&5
+$as_echo "$gcc_cv_initfini_array" >&6; }
+ enable_initfini_array=$gcc_cv_initfini_array
+
+fi
+
+
+if test $enable_initfini_array = yes; then
+
+$as_echo "#define HAVE_INITFINI_ARRAY 1" >>confdefs.h
+
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a known getopt prototype in unistd.h" >&5
$as_echo_n "checking for a known getopt prototype in unistd.h... " >&6; }
if test "${ld_cv_decl_getopt_unistd_h+set}" = set; then :