Hi! On Sat, 22 Jun 2013 08:15:46 -0700, Ian Lance Taylor <i...@google.com> wrote: > Go can work without split stack. In that case libgo will use much > larger stacks for goroutines, to reduce the chance of running out of > stack space (see StackMin in libgo/runtime/proc.c). So the number of > simultaneous goroutines that can be run will be limited. This is > usually OK on x86_64 but it does hamper Go programs running on 32-bit > x86.
OK, but that's not the most pressing issue we're having right now.
Anyway, as it stands, the split-stack code doesn't work on Hurd, so I
disabled it in r200434 as follows:
gcc/
* config/i386/gnu.h [TARGET_LIBC_PROVIDES_SSP]
(TARGET_CAN_SPLIT_STACK, TARGET_THREAD_SPLIT_STACK_OFFSET):
Undefine.
diff --git gcc/config/i386/gnu.h gcc/config/i386/gnu.h
index 35063e6..4a91c84 100644
--- gcc/config/i386/gnu.h
+++ gcc/config/i386/gnu.h
@@ -36,6 +36,12 @@ along with GCC. If not, see <http://www.gnu.org/licenses/>.
#endif
#ifdef TARGET_LIBC_PROVIDES_SSP
+
+/* Not supported yet. */
+# undef TARGET_THREAD_SSP_OFFSET
+
/* Not supported yet. */
-#undef TARGET_THREAD_SSP_OFFSET
+# undef TARGET_CAN_SPLIT_STACK
+# undef TARGET_THREAD_SPLIT_STACK_OFFSET
+
#endif
Grüße,
Thomas
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