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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-02-10 15:55:37 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-02-10 15:55:37 +0000 |
| commit | d3229873aea34e4768d45cfa6a5ef50323fdf3fe (patch) | |
| tree | 8770c0f5bccaee68a3f7834aba680b2fb2102b06 | |
| parent | c91e24907b9b9689c0af5d46b73e712d70f6994c (diff) | |
| download | gcc-d3229873aea34e4768d45cfa6a5ef50323fdf3fe.zip gcc-d3229873aea34e4768d45cfa6a5ef50323fdf3fe.tar.gz gcc-d3229873aea34e4768d45cfa6a5ef50323fdf3fe.tar.bz2 | |
runtime: For g0 set stack_size to 0 when not -fsplit-stack.
From-SVN: r184099
| -rw-r--r-- | libgo/runtime/proc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libgo/runtime/proc.c b/libgo/runtime/proc.c index 42a5779..94c2a51 100644 --- a/libgo/runtime/proc.c +++ b/libgo/runtime/proc.c @@ -909,7 +909,9 @@ runtime_mstart(void* mp) __splitstack_getcontext(&g->stack_context[0]); #else g->gcinitial_sp = ∓ - g->gcstack_size = StackMin; + // Setting gcstack_size to 0 is a marker meaning that gcinitial_sp + // is the top of the stack, not the bottom. + g->gcstack_size = 0; g->gcnext_sp = ∓ #endif getcontext(&g->context); @@ -1267,6 +1269,8 @@ __go_go(void (*fn)(void*), void* arg) #else sp = newg->gcinitial_sp; spsize = newg->gcstack_size; + if(spsize == 0) + runtime_throw("bad spsize in __go_go"); newg->gcnext_sp = sp; #endif } else { |