[PATCH 2/3] nptl: Fix start_thread() for _STACK_GROWS_UP
Will Newton
will.newton at gmail.com
Wed Jan 12 12:06:44 UTC 2011
This patch adds a working implementation of pthread_create for architectures
where STACK_GROWS_UP.
Signed-off-by: Matt Fleming <matthew.fleming at imgtec.com>
---
libpthread/nptl/pthread_create.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/libpthread/nptl/pthread_create.c b/libpthread/nptl/pthread_create.c
index 63e5588..42ffbaf 100644
--- a/libpthread/nptl/pthread_create.c
+++ b/libpthread/nptl/pthread_create.c
@@ -383,7 +383,8 @@ start_thread (void *arg)
char *sp = CURRENT_STACK_FRAME;
size_t freesize = (sp - (char *) pd->stackblock) & ~pagesize_m1;
#else
-# error "to do"
+ char *sp = CURRENT_STACK_FRAME;
+ size_t freesize = ((char *) pd->stackblock - sp) & ~pagesize_m1;
#endif
assert (freesize < pd->stackblock_size);
if (freesize > PTHREAD_STACK_MIN)
--
1.7.2.2
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