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| author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-08-18 03:09:07 +0000 |
|---|---|---|
| committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-08-18 03:09:07 +0000 |
| commit | 2ca268a71b555ca90fbea391b398c92bdf069c2a (patch) | |
| tree | c1f7a1f94a85152acb065c0290bf77cc8942a00f /libc/sysdeps/linux/bfin/clone.c | |
| parent | 82a12113eb5986a659796adb2ff2875dae0db452 (diff) | |
| download | uClibc-alpine-2ca268a71b555ca90fbea391b398c92bdf069c2a.tar.bz2 uClibc-alpine-2ca268a71b555ca90fbea391b398c92bdf069c2a.tar.xz | |
Merge from trunk.
Diffstat (limited to 'libc/sysdeps/linux/bfin/clone.c')
| -rw-r--r-- | libc/sysdeps/linux/bfin/clone.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/bfin/clone.c b/libc/sysdeps/linux/bfin/clone.c index f326f00a0..0ba1d5a4a 100644 --- a/libc/sysdeps/linux/bfin/clone.c +++ b/libc/sysdeps/linux/bfin/clone.c @@ -6,15 +6,18 @@ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -#include <asm/unistd.h> +#include <sched.h> +#include <errno.h> +#include <sys/syscall.h> int -clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) +clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...) { register long rval = -1; if (fn && child_stack) { +#ifdef __BFIN_FDPIC__ __asm__ __volatile__ ( "r1 = %2;" "r0 = %3;" @@ -22,16 +25,43 @@ clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) "excpt 0;" /*Call sys_clone*/ "%0 = r0;" "cc = r0 == 0;" - "if !cc jump xxx;" /* if (rval != 0) skip to parent */ + "if !cc jump .Lxxx;" /* 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 */ + ".Lxxx: 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 .Lxxx;" /* if (rval != 0) skip to parent */ + "r0 = %4;" + "p0 = %5;" + "fp = 0;" "call (p0);" /* Call cloned function */ "p0 = %6;" "excpt 0;" /* Call sys_exit */ - "xxx: nop;" + ".Lxxx: nop;" : "=d" (rval) : "i" (__NR_clone), "a" (child_stack), "a" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) : "CC", "R0", "R1", "P0"); +#endif + + } else { + __set_errno(EINVAL); } + return rval; } |
