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* sysdeps/unix/sysv/linux/x86_64/clone.S: Add support for the new
	clone parameters.
This commit is contained in:
Ulrich Drepper 2003-03-04 19:46:28 +00:00
parent a05be180bc
commit e2b80a5802
2 changed files with 16 additions and 4 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2003-03-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/clone.S: Add support for the new
clone parameters.
* po/sv.po: Update from translation team.
2003-03-04 Andreas Jaeger <aj@suse.de>

17
sysdeps/unix/sysv/linux/x86_64/clone.S
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@ -1,4 +1,4 @@
/* Copyright (C) 2001,02 Free Software Foundation, Inc.
/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -31,16 +31,22 @@
the kernel entry is:
int clone (long flags, void *child_stack).
The parameters are passed in register from userland:
The parameters are passed in register and on the stack from userland:
rdi: fn
rsi: child_stack
rdx: flags
rcx: arg
r8d: TID field in parent
r9d: thread pointer
%esp+8: TID field in child
The kernel expects:
rax: system call number
rdi: flags
rsi: child_stack */
rsi: child_stack
rdx: TID field in parent
r10: TID field in child
r8: thread pointer */
.text
@ -57,11 +63,14 @@ ENTRY (BP_SYM (__clone))
movq %rcx,8(%rsi)
/* Save the function pointer. It will be popped off in the
child in the ebx frobbing below. */
child in the ebx frobbing below. */
movq %rdi,0(%rsi)
/* Do the system call. */
movq %rdx, %rdi
movq %r8, %rdx
movq %r9, %r8
movq 8(%rsp), %r10
movq $SYS_ify(clone),%rax
syscall