# 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
sysdeps_dir=generic
slow_pthread_self=
can_unwind_signal=no
-disable_dladdr=
fallback_backtrace_h=sysdep/generic/backtrace.h
case "${target_optspace}:${host}" in
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=-fnon-call-exceptions
CHECKREFSPEC=
+BACKTRACESPEC=
# This case statement supports per-CPU defaults.
case "${host}" in
;;
i686-*|i586-*|i486-*|i386-*)
sysdeps_dir=i386
- libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
+ # With -fomit-frame-pointer -maccumulate-outgoing-args (implied),
+ # the .text section of libgcj.so is 30k larger, and the .eh_frame
+ # section is 1.4M smaller.
+ libgcj_flags="${libgcj_flags} -ffloat-store -fomit-frame-pointer"
libgcj_interpreter=yes
libgcj_cxxflags=
libgcj_cflags=
;;
x86_64-*)
sysdeps_dir=x86-64
- libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
+ # For 64-bit we always use SSE registers for arithmetic,
+ # which doesn't have the extra precision problems of the fpu.
+ # But be careful about 32-bit multilibs.
+ case " $CC " in
+ *" -m32 "*)
+ libgcj_flags="${libgcj_flags} -ffloat-store" ;;
+ esac
+ libgcj_flags="${libgcj_flags} -fomit-frame-pointer"
libgcj_cxxflags=
libgcj_cflags=
DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
rm -f conftest conftest.c
fi
;;
+ i[34567]86-*-solaris2.1[0-9]* )
+ sysdeps_dir=x86-64
+ DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+ ;;
mips*-*-linux* )
sysdeps_dir=mips
can_unwind_signal=yes
case "${host}" in
mipsel*-linux* | mipsisa32el*-linux*)
enable_hash_synchronization_default=yes
- disable_dladdr=yes
;;
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-* | hppa*-*)
+ ia64-*)
descriptor_h=sysdep/descriptor-y.h
;;
+ hppa*-*)
+ descriptor_h=sysdep/pa/descriptor.h
+ ;;
+
rs6000-* | powerpc*-*)
descriptor_h=sysdep/powerpc/descriptor.h
;;