# pthread_self calls by caching thread IDs in a hashtable
# can_unwind_signal Set to "yes" if the EH unwinder supports throwing
# from a signal handler.
+# disable_dladdr Set to "yes" if dladdr should not be used
+# (i.e it is broken).
+# fallback_backtrace_h Header to use for fallback backtrace implementation
+# (only for targets that don't support DWARF2 unwind)
+# descriptor_h Header to use for looking past function descriptors
libgcj_flags=
libgcj_cflags=
sysdeps_dir=generic
slow_pthread_self=
can_unwind_signal=no
+disable_dladdr=
+fallback_backtrace_h=sysdep/generic/backtrace.h
case "${target_optspace}:${host}" in
yes:*)
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=-fnon-call-exceptions
CHECKREFSPEC=
+BACKTRACESPEC=
# This case statement supports per-CPU defaults.
case "${host}" in
+ arm*-elf | strongarm*-elf | xscale*-elf)
+ with_libffi_default=no
+ PROCESS=Ecos
+ FILE=Posix
+ CHECKREFSPEC=-fcheck-references
+ EXCEPTIONSPEC=
+ enable_java_net_default=no
+ enable_getenv_properties_default=no
+ enable_main_args_default=no
+ ;;
mips-tx39-*|mipstx39-unknown-*)
libgcj_flags="${libgcj_flags} -G 0"
LDFLAGS="$LDFLAGS -Tjmr3904dram.ld"
sysdeps_dir=i386
libgcj_flags="${libgcj_flags} -ffloat-store"
libgcj_interpreter=yes
- libgcj_cxxflags="-D__NO_MATH_INLINES"
- libgcj_cflags="-D__NO_MATH_INLINES"
+ libgcj_cxxflags=
+ libgcj_cflags=
DIVIDESPEC=-fno-use-divide-subroutine
+ BACKTRACESPEC=-fomit-frame-pointer
enable_hash_synchronization_default=yes
slow_pthread_self=yes
;;
x86_64-*)
sysdeps_dir=x86-64
libgcj_flags="${libgcj_flags} -ffloat-store"
- libgcj_interpreter=no
- libgcj_cxxflags="-D__NO_MATH_INLINES"
- libgcj_cflags="-D__NO_MATH_INLINES"
- DIVIDESPEC=-fno-use-divide-subroutine
+ libgcj_cxxflags=
+ libgcj_cflags=
+ DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
enable_hash_synchronization_default=yes
slow_pthread_self=yes
+ libgcj_interpreter=yes
;;
alpha*-*)
sysdeps_dir=alpha
libgcj_flags="${libgcj_flags} -mieee"
libgcj_interpreter=yes
enable_hash_synchronization_default=yes
+ IEEESPEC=-mieee
+ ;;
+ hppa-*)
+ sysdeps_dir=pa
+ libgcj_interpreter=yes
+ enable_hash_synchronization_default=yes
+ ;;
+ powerpc64*-*)
+ sysdeps_dir=powerpc
+ libgcj_interpreter=yes
+ if [ x`$CC -print-multi-os-directory` = x../lib64 ]; then
+ libgcj_flags="${libgcj_flags} -mminimal-toc"
+ fi
+ enable_hash_synchronization_default=yes
+ slow_pthread_self=yes
;;
powerpc*-*)
sysdeps_dir=powerpc
enable_hash_synchronization_default=yes
slow_pthread_self=yes
;;
- sparc-*)
+ s390*-*)
+ sysdeps_dir=s390
+ libgcj_interpreter=yes
+ DIVIDESPEC=-fno-use-divide-subroutine
+ enable_hash_synchronization_default=yes
+ ;;
+ sparc*-*)
+ libgcj_interpreter=yes
;;
ia64-*)
sysdeps_dir=ia64
libgcj_interpreter=yes
enable_hash_synchronization_default=yes
;;
- xscale*-elf)
- with_libffi_default=no
- PROCESS=Ecos
- FILE=Posix
- CHECKREFSPEC=-fcheck-references
- EXCEPTIONSPEC=
- enable_java_net_default=no
- enable_getenv_properties_default=no
- enable_main_args_default=no
+ sh-* | sh[34]*-*)
+ sysdeps_dir=sh
+ libgcj_flags="${libgcj_flags} -mieee"
+ libgcj_interpreter=yes
+ enable_hash_synchronization_default=yes
+ IEEESPEC=-mieee
;;
esac
s390*-linux* | \
sparc*-linux* | \
ia64-* | \
- x86_64*-linux*)
+ x86_64*-linux* | \
+ hppa*-linux* | \
+ sh-linux* | sh[34]*-linux*)
+ can_unwind_signal=yes
+ libgcj_ld_symbolic='-Wl,-Bsymbolic'
+ if test x$slow_pthread_self = xyes \
+ && test x$cross_compiling != xyes; then
+ cat > conftest.c <<EOF
+#define _GNU_SOURCE 1
+#include <pthread.h>
+#include <stdlib.h>
+#include <sys/resource.h>
+#include <limits.h>
+
+void *
+tf (void *arg __attribute__ ((unused)))
+{
+ pthread_attr_t a;
+ size_t s;
+
+ if (pthread_getattr_np (pthread_self (), &a)
+ || pthread_attr_getstacksize (&a, &s)
+ || s > 2 * PTHREAD_STACK_MIN)
+ exit (1);
+ exit (0);
+}
+
+int
+main (int argc, char **argv)
+{
+ pthread_t p;
+ void *ret;
+ struct rlimit r;
+
+ if (argc == 2)
+ {
+ r.rlim_cur = 2 * PTHREAD_STACK_MIN;
+ r.rlim_max = 2 * PTHREAD_STACK_MIN;
+ if (setrlimit (RLIMIT_STACK, &r))
+ exit (1);
+ execl (argv[1], argv[0], NULL);
+ exit (1);
+ }
+
+ if (pthread_create (&p, NULL, tf, NULL)
+ || pthread_join (p, &ret))
+ exit (1);
+ exit (1);
+}
+EOF
+ $CC -o conftest conftest.c -lpthread > /dev/null 2>&1 && \
+ ./conftest ./conftest && slow_pthread_self=
+ rm -f conftest conftest.c
+ fi
+ ;;
+ i[34567]86-*-solaris2.1[0-9]* )
+ sysdeps_dir=x86-64
+ DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+ ;;
+ mips*-*-linux* )
+ sysdeps_dir=mips
can_unwind_signal=yes
+ DIVIDESPEC=-fno-use-divide-subroutine
+ case "${host}" in
+ mipsel*-linux* | mipsisa32el*-linux*)
+ enable_hash_synchronization_default=yes
+ disable_dladdr=yes
+ ;;
+ esac
;;
- *-*-darwin*)
- enable_hash_synchronization_default=no
+ powerpc*-*-darwin*)
+ enable_hash_synchronization_default=yes
slow_pthread_self=
+ can_unwind_signal=yes
;;
*-*-freebsd*)
slow_pthread_self=
;;
+ *-mingw*)
+ # FIXME: win32_exception_handler( ) in win32.cc does not do the
+ # right stuff yet w.r.t. SEH. Live with the following for now.
+ can_unwind_signal=no
+ CHECKREFSPEC=-fcheck-references
+ DIVIDESPEC=-fuse-divide-subroutine
+ ;;
*-cygwin*)
# The cygwin linker doesn't do 8-byte alignment by default, so
# disable hash synchronization for now.
;;
esac
+case "${host}" in
+ *-cygwin* | *-mingw*)
+ fallback_backtrace_h=sysdep/i386/backtrace.h
+ # We need a frame pointer on Windows, so override BACKTRACESPEC
+ BACKTRACESPEC=
+ ;;
+esac
+
+case "${host}" in
+ ia64-*)
+ descriptor_h=sysdep/descriptor-y.h
+ ;;
+
+ hppa*-*)
+ descriptor_h=sysdep/pa/descriptor.h
+ ;;
+
+ rs6000-* | powerpc*-*)
+ descriptor_h=sysdep/powerpc/descriptor.h
+ ;;
+
+ *)
+ descriptor_h=sysdep/descriptor-n.h
+ ;;
+esac
+
libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"
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