Add support for CLONE_CHILD_*TID flags.

diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 8f655a7305f9800581030d42d6e2c0bd792a5730..c0d5c03568ca80172e1d977abfd96b7cbbf63dac 100644 (file)
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -35,8 +35,9 @@
 #define STACK  FUNC+4
 #define FLAGS  STACK+PTR_SIZE
 #define ARG    FLAGS+4
-#define TID    ARG+PTR_SIZE
-#define TLS    TID+PTR_SIZE
+#define PTID   ARG+PTR_SIZE
+#define TLS    PTID+PTR_SIZE
+#define CTID   TLS+PTR_SIZE
 
 #define __NR_clone 120
 #define SYS_clone 120
@@ -61,25 +62,29 @@ ENTRY (BP_SYM (__clone))
 #endif
 
        /* Insert the argument onto the new stack.  */
-       subl    $12,%ecx
+       subl    $16,%ecx
        movl    ARG(%esp),%eax          /* no negative argument counts */
-       movl    %eax,8(%ecx)
+       movl    %eax,12(%ecx)
 
        /* Save the function pointer as the zeroth argument.
           It will be popped off in the child in the ebx frobbing below.  */
        movl    FUNC(%esp),%eax
-       movl    %eax,4(%ecx)
+       movl    %eax,8(%ecx)
        /* Don't leak any information.  */
+       movl    $0,4(%ecx)
        movl    $0,(%ecx)
 
        /* Do the system call */
        pushl   %ebx
        pushl   %esi
-       movl    TLS+8(%esp),%esi
-       movl    TID+8(%esp),%edx
-       movl    FLAGS+8(%esp),%ebx
+       pushl   %edi
+       movl    TLS+12(%esp),%esi
+       movl    PTID+12(%esp),%edx
+       movl    FLAGS+12(%esp),%ebx
+       movl    CTID+12(%esp),%edi
        movl    $SYS_ify(clone),%eax
        int     $0x80
+       popl    %edi
        popl    %esi
        popl    %ebx