diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2009-07-22 12:51:54 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-07-22 12:51:54 -0400 |
| commit | 78114ccc56c09877fa16435386987542d1f1c09f (patch) | |
| tree | 2ece7e9f483ba9c221600cc31a2595c289e2fc98 /libc | |
| parent | 60c86a0379a87d470417eb6b382920e07e6e2a65 (diff) | |
Blackfin: unify FDPIC/FLAT versions of clone
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/bfin/clone.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/libc/sysdeps/linux/bfin/clone.c b/libc/sysdeps/linux/bfin/clone.c index 899738e2d..067fdc767 100644 --- a/libc/sysdeps/linux/bfin/clone.c +++ b/libc/sysdeps/linux/bfin/clone.c @@ -13,47 +13,33 @@ int clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...) { - register long rval = -1; + long rval = -1; if (fn && child_stack) { -#ifdef __BFIN_FDPIC__ - __asm__ __volatile__ ( - "excpt 0;" /*Call sys_clone*/ + __asm__ __volatile__ ( + "excpt 0;" /* Call sys_clone */ "cc = r0 == 0;" - "if !cc jump .Lxxx;" /* if (rval != 0) skip to parent */ + "if !cc jump 1f;" /* if (rval != 0) skip to parent */ "r0 = %4;" "p0 = %5;" "fp = 0;" +#ifdef __BFIN_FDPIC__ "p1 = [p0];" "p3 = [p0 + 4];" "call (p1);" /* Call cloned function */ - "p0 = %6;" - "excpt 0;" /* Call sys_exit */ - ".Lxxx: nop;" - : "=q0" (rval) - : "qA" (__NR_clone), "q1" (child_stack), "q0" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) - : "CC"); #else - __asm__ __volatile__ ( - "excpt 0;" /*Call sys_clone*/ - "cc = r0 == 0;" - "if !cc jump .Lxxx;" /* if (rval != 0) skip to parent */ - "r0 = %4;" - "p0 = %5;" - "fp = 0;" "call (p0);" /* Call cloned function */ +#endif "p0 = %6;" "excpt 0;" /* Call sys_exit */ - ".Lxxx: nop;" + "1: nop;" : "=q0" (rval) : "qA" (__NR_clone), "q1" (child_stack), "q0" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) : "CC"); -#endif - } else { + } else __set_errno(EINVAL); - } return rval; } |