| 544 |
|
]) |
| 545 |
|
ELF_OBJECTS=$ac_cv_elf_objects |
| 546 |
|
|
| 547 |
– |
dnl FIXME: forcibly disable JIT for now |
| 548 |
– |
WANT_JIT=no |
| 549 |
– |
|
| 547 |
|
dnl CPU emulator sources |
| 548 |
|
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
| 549 |
|
CPUSRCS="\ |
| 574 |
|
]) |
| 575 |
|
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
| 576 |
|
case $host_cpu in |
| 577 |
< |
i?86:yes) |
| 577 |
> |
i?86) |
| 578 |
|
DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2" |
| 579 |
|
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
| 580 |
|
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" |
| 603 |
|
fi |
| 604 |
|
CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp" |
| 605 |
|
fi |
| 606 |
+ |
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
| 607 |
+ |
AC_CACHE_CHECK([whether static data regions are executable], |
| 608 |
+ |
ac_cv_have_static_data_exec, [ |
| 609 |
+ |
AC_TRY_RUN([int main(void) { |
| 610 |
+ |
#if defined(__powerpc__) |
| 611 |
+ |
static unsigned int p[8] = {0x4e800020,}; |
| 612 |
+ |
asm volatile("dcbst 0,%0" : : "r" (p) : "memory"); |
| 613 |
+ |
asm volatile("sync" : : : "memory"); |
| 614 |
+ |
asm volatile("icbi 0,%0" : : "r" (p) : "memory"); |
| 615 |
+ |
asm volatile("sync" : : : "memory"); |
| 616 |
+ |
asm volatile("isync" : : : "memory"); |
| 617 |
+ |
((void (*)(void))p)(); |
| 618 |
+ |
return 0; |
| 619 |
+ |
#endif |
| 620 |
+ |
return 1; |
| 621 |
+ |
}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no, |
| 622 |
+ |
dnl When cross-compiling, do not assume anything. |
| 623 |
+ |
ac_cv_have_static_data_exec=no |
| 624 |
+ |
) |
| 625 |
+ |
]) |
| 626 |
+ |
fi |
| 627 |
+ |
AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec", |
| 628 |
+ |
[Define if your system marks static data pages as executable.]) |
| 629 |
|
|
| 630 |
|
dnl Generate Makefile. |
| 631 |
|
AC_SUBST(DYNGENSRCS) |
