diff options
Diffstat (limited to 'libc/sysdeps/linux/bfin/clone.c')
| -rw-r--r-- | libc/sysdeps/linux/bfin/clone.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/bfin/clone.c b/libc/sysdeps/linux/bfin/clone.c index f326f00a0..fbf43ade9 100644 --- a/libc/sysdeps/linux/bfin/clone.c +++ b/libc/sysdeps/linux/bfin/clone.c @@ -15,6 +15,7 @@ clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) if (fn && child_stack) { +#ifdef __BFIN_FDPIC__ __asm__ __volatile__ ( "r1 = %2;" "r0 = %3;" @@ -25,6 +26,28 @@ clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) "if !cc jump xxx;" /* if (rval != 0) skip to parent */ "r0 = %4;" "p0 = %5;" + "fp = 0;" + "p1 = [p0];" + "p3 = [p0 + 4];" + "call (p1);" /* Call cloned function */ + "p0 = %6;" + "excpt 0;" /* Call sys_exit */ + "xxx: nop;" + : "=d" (rval) + : "i" (__NR_clone), "a" (child_stack), "a" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) + : "CC", "R0", "R1", "P0"); +#else + __asm__ __volatile__ ( + "r1 = %2;" + "r0 = %3;" + "P0 = %1;" + "excpt 0;" /*Call sys_clone*/ + "%0 = r0;" + "cc = r0 == 0;" + "if !cc jump xxx;" /* if (rval != 0) skip to parent */ + "r0 = %4;" + "p0 = %5;" + "fp = 0;" "call (p0);" /* Call cloned function */ "p0 = %6;" "excpt 0;" /* Call sys_exit */ @@ -32,6 +55,7 @@ clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) : "=d" (rval) : "i" (__NR_clone), "a" (child_stack), "a" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) : "CC", "R0", "R1", "P0"); +#endif } return rval; } |