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| author | H.J. Lu <hjl.tools@gmail.com> | 2010-12-15 14:56:35 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2010-12-15 14:56:35 +0000 |
| commit | 30dfd0308a8551174634494822e194fcf24a7ddb (patch) | |
| tree | a43a7a727253648d241555e7d3d6d095cb1c1c9e /ld/configure.in | |
| parent | 5f35b4a02a4d3a9c8c58dbccfdec93350a43acb8 (diff) | |
| download | binutils-redhat-30dfd0308a8551174634494822e194fcf24a7ddb.tar.gz | |
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.in')
| -rw-r--r-- | ld/configure.in | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ld/configure.in b/ld/configure.in index 85fe903d3b..15d7685c02 100644 --- a/ld/configure.in +++ b/ld/configure.in @@ -5,6 +5,7 @@ AC_INIT AC_CONFIG_SRCDIR(ldmain.c) AC_CANONICAL_TARGET +AC_CANONICAL_BUILD AC_ISC_POSIX changequote(,)dnl @@ -175,6 +176,30 @@ if test x$enable_plugins = xno ; then fi AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes]) +AC_ARG_ENABLE(initfini-array, + [ --enable-initfini-array use .init_array/.fini_array sections], + [], [ +AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, + gcc_cv_initfini_array, [dnl + if test "x${build}" = "x${target}" ; then + AC_RUN_IFELSE([AC_LANG_SOURCE([ +static int x = -1; +int main (void) { return x; } +int foo (void) { x = 0; } +int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])], + [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no], + [gcc_cv_initfini_array=no]) + else + gcc_cv_initfini_array=no + fi]) + enable_initfini_array=$gcc_cv_initfini_array +]) +AC_SUBST(enable_initfini_array) +if test $enable_initfini_array = yes; then + AC_DEFINE(HAVE_INITFINI_ARRAY, 1, + [Define .init_array/.fini_array sections are available and working.]) +fi + AC_MSG_CHECKING(for a known getopt prototype in unistd.h) AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], |