diff options
| author | Austin Foxley <austinf@cetoncorp.com> | 2009-10-17 13:19:56 -0700 |
|---|---|---|
| committer | Austin Foxley <austinf@cetoncorp.com> | 2009-10-17 13:19:56 -0700 |
| commit | b04c2ba52317dab5b2e4172d2f8678b1025780d8 (patch) | |
| tree | 5fca41f076901fbe5f5b9c3f8cd6f433403f35c0 /libc/sysdeps/linux/i386/clone.S | |
| parent | 6abc8f6c7c847291a9b20cb5b84e9a2dfe3b578a (diff) | |
i386 specific bit for nptl
* RESET_PID support for clone.S
* SAVE_PID, RESTORE_PID in vfork.S
* fixup syscall assembly constraints to be a little less restrictive
allows arbitrary variables to be used as the syscall nr
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/sysdeps/linux/i386/clone.S')
| -rw-r--r-- | libc/sysdeps/linux/i386/clone.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/clone.S b/libc/sysdeps/linux/i386/clone.S index 14fc25ca1..a7de3fe27 100644 --- a/libc/sysdeps/linux/i386/clone.S +++ b/libc/sysdeps/linux/i386/clone.S @@ -79,7 +79,10 @@ clone: movl %eax,8(%ecx) /* Don't leak any information. */ movl $0,4(%ecx) +#ifndef RESET_PID movl $0,(%ecx) +#endif + /* Do the system call */ pushl %ebx @@ -90,6 +93,10 @@ clone: movl FLAGS+12(%esp),%ebx movl CTID+12(%esp),%edi movl $__NR_clone,%eax +#ifdef RESET_PID + /* Remember the flag value. */ + movl %ebx, (%ecx) +#endif int $0x80 popl %edi popl %esi @@ -121,3 +128,4 @@ __error: jmp __syscall_error .size clone,.-clone +weak_alias(clone, __clone) |