1 files changed, 74 insertions, 0 deletions
diff --git a/libc/arch-sh/bionic/clone.S b/libc/arch-sh/bionic/clone.S
new file mode 100644
index 0000000..0bbaecb
--- /dev/null
+++ b/libc/arch-sh/bionic/clone.S
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <sys/linux-syscalls.h>
+
+.text
+.type   __pthread_clone, @function
+.globl  __pthread_clone
+.align  4
+
+__pthread_clone:
+    /* insert the args onto the new stack */
+    mov     r5, r0
+    mov.l   r4, @-r0    /* func */
+    mov.l   r7, @-r0    /* arg */
+
+    /* do the system call */
+    mov     r6, r4      /* Set clone_flags. new sp is ready in r5. */
+    mov.l   0f, r3
+    trapa   #(4 + 0x10)
+
+    /* check error */
+    cmp/pz  r0
+    bf      __error
+
+    /* check if parent or child */
+    cmp/pl  r0
+    bt      __return
+
+    /* prepare args for __thread_entry */
+    mov     #8, r1
+    sub     r1, r15     /* -8 */
+    mov.l   @r15+, r5   /* +4 */ /* arg */
+    mov.l   @r15+, r4   /* +4 */ /* func */
+    mov     r15, r6              /* tls */
+
+    /* jump to __thread_entry */
+    mov.l   1f, r0
+    jmp @r0
+    nop
+
+__error:
+    mov     #-1, r0
+__return:
+    rts
+    nop
+
+    .align 2
+0:  .long   __NR_clone
+1:  .long   __thread_entry