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riscv-gcc-1
Commit 0c587260 by H.J. Lu Committed by H.J. Lu
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Properly check if .init_array can be used with .ctors on targets. 

2011-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR other/49325
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Properly check if
	.init_array can be used with .ctors on targets.
	* configure: Regenerated.

From-SVN: r175181
parent 6e6224c1
Showing with 217 additions and 5 deletions
gcc/ChangeLog
2011-06-18 H.J. Lu <hongjiu.lu@intel.com>
PR other/49325
* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Properly check if
.init_array can be used with .ctors on targets.
* configure: Regenerated.
2011-06-18 Eric Botcazou <ebotcazou@adacore.com>
* tree-sra.c (type_internals_preclude_sra_p) <ARRAY_TYPE>: Return true
......
gcc/acinclude.m4
......@@ -375,13 +375,115 @@ AC_DEFUN([gcc_AC_INITFINI_ARRAY],
[], [
AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
gcc_cv_initfini_array, [dnl
AC_RUN_IFELSE([AC_LANG_SOURCE([
if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
AC_RUN_IFELSE([AC_LANG_SOURCE([
#ifdef __ia64__
/* We turn on .preinit_array/.init_array/.fini_array support for ia64
if it can be used. */
static int x = -1;
int main (void) { return x; }
int foo (void) { x = 0; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
#else
extern void abort ();
static int count;
static void
init1005 ()
{
if (count != 0)
abort ();
count = 1005;
}
void (*const init_array1005[]) ()
__attribute__ ((section (".init_array.01005"), aligned (sizeof (void *))))
= { init1005 };
static void
fini1005 ()
{
if (count != 1005)
abort ();
}
void (*const fini_array1005[]) ()
__attribute__ ((section (".fini_array.01005"), aligned (sizeof (void *))))
= { fini1005 };
static void
ctor1007 ()
{
if (count != 1005)
abort ();
count = 1007;
}
void (*const ctors1007[]) ()
__attribute__ ((section (".ctors.64528"), aligned (sizeof (void *))))
= { ctor1007 };
static void
dtor1007 ()
{
if (count != 1007)
abort ();
count = 1005;
}
void (*const dtors1007[]) ()
__attribute__ ((section (".dtors.64528"), aligned (sizeof (void *))))
= { dtor1007 };
static void
init65530 ()
{
if (count != 1007)
abort ();
count = 65530;
}
void (*const init_array65530[]) ()
__attribute__ ((section (".init_array.65530"), aligned (sizeof (void *))))
= { init65530 };
static void
fini65530 ()
{
if (count != 65530)
abort ();
count = 1007;
}
void (*const fini_array65530[]) ()
__attribute__ ((section (".fini_array.65530"), aligned (sizeof (void *))))
= { fini65530 };
static void
ctor65535 ()
{
if (count != 65530)
abort ();
count = 65535;
}
void (*const ctors65535[]) ()
__attribute__ ((section (".ctors"), aligned (sizeof (void *))))
= { ctor65535 };
static void
dtor65535 ()
{
if (count != 65535)
abort ();
count = 65530;
}
void (*const dtors65535[]) ()
__attribute__ ((section (".dtors"), aligned (sizeof (void *))))
= { dtor65535 };
int
main ()
{
return 0;
}
#endif
])],
[gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
[gcc_cv_initfini_array=no])])
[gcc_cv_initfini_array=no])
else
AC_MSG_CHECKING(cross compile... guessing)
gcc_cv_initfini_array=no
fi])
enable_initfini_array=$gcc_cv_initfini_array
])
if test $enable_initfini_array = yes; then
......
gcc/configure
......@@ -10459,16 +10459,114 @@ $as_echo_n "checking for .preinit_array/.init_array/.fini_array support... " >&6
if test "${gcc_cv_initfini_array+set}" = set; then :
$as_echo_n "(cached) " >&6
else
if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
if test "$cross_compiling" = yes; then :
gcc_cv_initfini_array=no
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#ifdef __ia64__
/* We turn on .preinit_array/.init_array/.fini_array support for ia64
if it can be used. */
static int x = -1;
int main (void) { return x; }
int foo (void) { x = 0; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
#else
extern void abort ();
static int count;
static void
init1005 ()
{
if (count != 0)
abort ();
count = 1005;
}
void (*const init_array1005) ()
__attribute__ ((section (".init_array.01005"), aligned (sizeof (void *))))
= { init1005 };
static void
fini1005 ()
{
if (count != 1005)
abort ();
}
void (*const fini_array1005) ()
__attribute__ ((section (".fini_array.01005"), aligned (sizeof (void *))))
= { fini1005 };
static void
ctor1007 ()
{
if (count != 1005)
abort ();
count = 1007;
}
void (*const ctors1007) ()
__attribute__ ((section (".ctors.64528"), aligned (sizeof (void *))))
= { ctor1007 };
static void
dtor1007 ()
{
if (count != 1007)
abort ();
count = 1005;
}
void (*const dtors1007) ()
__attribute__ ((section (".dtors.64528"), aligned (sizeof (void *))))
= { dtor1007 };
static void
init65530 ()
{
if (count != 1007)
abort ();
count = 65530;
}
void (*const init_array65530) ()
__attribute__ ((section (".init_array.65530"), aligned (sizeof (void *))))
= { init65530 };
static void
fini65530 ()
{
if (count != 65530)
abort ();
count = 1007;
}
void (*const fini_array65530) ()
__attribute__ ((section (".fini_array.65530"), aligned (sizeof (void *))))
= { fini65530 };
static void
ctor65535 ()
{
if (count != 65530)
abort ();
count = 65535;
}
void (*const ctors65535) ()
__attribute__ ((section (".ctors"), aligned (sizeof (void *))))
= { ctor65535 };
static void
dtor65535 ()
{
if (count != 65535)
abort ();
count = 65530;
}
void (*const dtors65535) ()
__attribute__ ((section (".dtors"), aligned (sizeof (void *))))
= { dtor65535 };
int
main ()
{
return 0;
}
#endif
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
gcc_cv_initfini_array=yes
......@@ -10479,6 +10577,11 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking cross compile... guessing" >&5
$as_echo_n "checking cross compile... guessing... " >&6; }
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; }
......@@ -17520,7 +17623,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 17523 "configure"
#line 17626 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
......@@ -17626,7 +17729,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 17629 "configure"
#line 17732 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
......
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