diff options
Diffstat (limited to 'sysdeps/l4/hurd/i386/pt-setup.c')
| -rw-r--r-- | sysdeps/l4/hurd/i386/pt-setup.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/l4/hurd/i386/pt-setup.c b/sysdeps/l4/hurd/i386/pt-setup.c deleted file mode 100644 index 2b7a3e23..00000000 --- a/sysdeps/l4/hurd/i386/pt-setup.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Setup thread stack. Hurd/i386 version. - Copyright (C) 2000, 2002, 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 - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <l4/l4.h> - -#include <pt-internal.h> - -/* The stack layout used on the i386 is: - - ----------------- - | ARG | - ----------------- - | START_ROUTINE | - ----------------- - | 0 | - ----------------- */ - -/* Set up the stack for THREAD, such that it appears as if - START_ROUTINE and ARG were passed to the new thread's entry-point. - Return the stack pointer for the new thread. We also take the - opportunity to install THREAD in our utcb. */ -static void * -stack_setup (struct __pthread *thread, - void *(*start_routine)(void *), void *arg) -{ - L4_Word_t *top; - - /* Calculate top of the new stack. */ - top = (L4_Word_t *) ((L4_Word_t) thread->stackaddr + thread->stacksize); - - if (start_routine) - { - /* Set up call frame. */ - top -= 2; - top = (unsigned long) top & ~0xf; - top[1] = (L4_Word_t) arg; /* Argument to START_ROUTINE. */ - top[0] = (L4_Word_t) start_routine; - *--top = 0; /* Fake return address. */ - } - - return top; -} - -int -__pthread_setup (struct __pthread *thread, - void (*entry_point)(void *(*)(void *), void *), - void *(*start_routine)(void *), void *arg) -{ - thread->mcontext.pc = entry_point; - thread->mcontext.sp = stack_setup (thread, start_routine, arg); - - if (L4_SameThreads (thread->threadid, L4_Myself ())) - L4_Set_MyUserDefinedHandle (thread); - else - L4_Set_UserDefinedHandle (thread->threadid, thread); - - return 0; -} |
