| 1447 |
|
else |
| 1448 |
|
WANT_JIT=no |
| 1449 |
|
fi |
| 1450 |
– |
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
| 1451 |
– |
AC_CACHE_CHECK([whether static data regions are executable], |
| 1452 |
– |
ac_cv_have_static_data_exec, [ |
| 1453 |
– |
AC_TRY_RUN([int main(void) { |
| 1454 |
– |
#if defined(__powerpc__) || defined(__ppc__) |
| 1455 |
– |
static unsigned int p[8] = {0x4e800020,}; |
| 1456 |
– |
asm volatile("dcbst 0,%0" : : "r" (p) : "memory"); |
| 1457 |
– |
asm volatile("sync" : : : "memory"); |
| 1458 |
– |
asm volatile("icbi 0,%0" : : "r" (p) : "memory"); |
| 1459 |
– |
asm volatile("sync" : : : "memory"); |
| 1460 |
– |
asm volatile("isync" : : : "memory"); |
| 1461 |
– |
((void (*)(void))p)(); |
| 1462 |
– |
return 0; |
| 1463 |
– |
#endif |
| 1464 |
– |
return 1; |
| 1465 |
– |
}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no, |
| 1466 |
– |
dnl When cross-compiling, do not assume anything. |
| 1467 |
– |
ac_cv_have_static_data_exec=no |
| 1468 |
– |
) |
| 1469 |
– |
]) |
| 1470 |
– |
else |
| 1471 |
– |
ac_cv_use_dyngen=no |
| 1472 |
– |
fi |
| 1473 |
– |
AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec", |
| 1474 |
– |
[Define if your system marks static data pages as executable.]) |
| 1475 |
– |
|
| 1450 |
|
if [[ "x$WANT_JIT" = "xyes" ]]; then |
| 1451 |
|
CPPFLAGS="$CPPFLAGS -DUSE_JIT" |
| 1452 |
|
fi |
