From 1c4f98663635995919a2fe7f9c4cbf630ae238d2 Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Fri, 11 Dec 2009 03:46:37 -0800 Subject: get x86_64 nptl building Signed-off-by: Austin Foxley --- libc/sysdeps/linux/x86_64/vfork.S | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'libc/sysdeps/linux/x86_64/vfork.S') diff --git a/libc/sysdeps/linux/x86_64/vfork.S b/libc/sysdeps/linux/x86_64/vfork.S index 2dadbbfe0..97c9c5b67 100644 --- a/libc/sysdeps/linux/x86_64/vfork.S +++ b/libc/sysdeps/linux/x86_64/vfork.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002, 2004, 2008 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 @@ -31,7 +31,7 @@ .text .global __vfork .hidden __vfork -.type __vfork,%function +.type __vfork,%function __vfork: @@ -39,6 +39,10 @@ __vfork: is preserved by the syscall and that we're allowed to destroy. */ popq %rdi +#ifdef SAVE_PID + SAVE_PID +#endif + /* Stuff the syscall number in RAX and enter into the kernel. */ movl $__NR_vfork, %eax syscall @@ -46,6 +50,10 @@ __vfork: /* Push back the return PC. */ pushq %rdi +#ifdef RESTORE_PID + RESTORE_PID +#endif + cmpl $-4095, %eax jae __syscall_error /* Branch forward if it failed. */ -- cgit v1.2.3