diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/s390/tls.h | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 24926cf40a..733ff038d2 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2008-10-06 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/s390/tls.h (THREAD_SET_STACK_GUARD): Add empty inline + assembly with a clobber list for access registers a0 and a1. + 2008-09-11 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Add memory barrier diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h index 3be459e32c..2b38ed4e7d 100644 --- a/nptl/sysdeps/s390/tls.h +++ b/nptl/sysdeps/s390/tls.h @@ -161,7 +161,12 @@ typedef struct /* Set the stack guard field in TCB head. */ #define THREAD_SET_STACK_GUARD(value) \ - THREAD_SETMEM (THREAD_SELF, header.stack_guard, value) + do \ + { \ + __asm __volatile ("" : : : "a0", "a1"); \ + THREAD_SETMEM (THREAD_SELF, header.stack_guard, value); \ + } \ + while (0) #define THREAD_COPY_STACK_GUARD(descr) \ ((descr)->header.stack_guard \ = THREAD_GETMEM (THREAD_SELF, header.stack_guard)) |