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* sysdeps/unix/sysv/linux/alpha/clone.S: Load child_tid properly.

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This commit is contained in:
Richard Henderson 2003-06-30 23:21:49 +00:00
parent bbf1f957c7
commit 874f3a78b9
1 changed files with 11 additions and 5 deletions
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16
sysdeps/unix/sysv/linux/alpha/clone.S
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@ -24,9 +24,13 @@
#define _ERRNO_H 1
#include <bits/errno.h>
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
pid_t *tid, void *tls);
*/
/* int clone(int (*fn)(void *arg), void *child_stack, int flags,
void *arg, pid_t *ptid, void *tls, pid_t *ctid);
Note that everything past ARG is technically optional, based
on FLAGS, and that CTID is arg 7, and thus is on the stack.
However, since a load from top-of-stack better be legal always,
we don't bother checking FLAGS. */
.text
ENTRY(__clone)
@ -51,11 +55,13 @@ ENTRY(__clone)
stq a0,0(a1)
stq a3,8(a1)
/* Shift the flags, tid and tls arguments into place; the
/* The syscall is of the form clone(flags, usp, ptid, ctid, tls).
Shift the flags, ptid, ctid, tls arguments into place; the
child_stack argument is already correct. */
mov a2,a0
mov a4,a2
mov a5,a3
ldq a3,0(sp)
mov a5,a4
/* Do the system call. */
ldiq v0,__NR_clone