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| author | Zoltan Varga <vargaz@gmail.com> | 2012-05-22 03:02:05 +0400 |
|---|---|---|
| committer | Zoltan Varga <vargaz@gmail.com> | 2012-05-22 03:02:27 +0400 |
| commit | e7f3bbad80fe04bea1a055e870d856a22003d34d (patch) | |
| tree | 47331d7dc31f24c64a92516004cb249b4a2e85df /libgc/pthread_stop_world.c | |
| parent | 9755d7fdb23c5bae33a85835083834fef57748ff (diff) | |
Fix altstack support in libgc by registering the bounds of the normal stack and the altstack with it.
Diffstat (limited to 'libgc/pthread_stop_world.c')
| -rw-r--r-- | libgc/pthread_stop_world.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libgc/pthread_stop_world.c b/libgc/pthread_stop_world.c index 3ecc5e9047d..e6ac64b62a8 100644 --- a/libgc/pthread_stop_world.c +++ b/libgc/pthread_stop_world.c @@ -290,6 +290,10 @@ static void pthread_push_all_stacks() (unsigned long) lo, (unsigned long) hi); #endif if (0 == lo) ABORT("GC_push_all_stacks: sp not set!\n"); + if (p->altstack && lo >= p->altstack && lo <= p->altstack + p->altstack_size) + hi = p->altstack + p->altstack_size; + /* FIXME: Need to scan the normal stack too, but how ? */ + # ifdef STACK_GROWS_UP /* We got them backwards! */ GC_push_all_stack(hi, lo); |