/* Copyright (C) 2005 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see . */
#include
#include
#ifdef __PIC__
#define __VFORK_METAG_LOAD_TP ___metag_load_tp@PLT
#else
#define __VFORK_METAG_LOAD_TP ___metag_load_tp
#endif
/* Save the PID value. */
#define SAVE_PID \
SETL [A0StP++], D0FrT, D1RtP; \
CALLR D1RtP, __VFORK_METAG_LOAD_TP; \
SUB D0Re0, D0Re0, #TLS_PRE_TCB_SIZE; \
GETD D0FrT, [D0Re0 + #PID]; \
NEGS D0FrT, D0FrT; \
BNZ 1f; \
MOVT D0FrT, #0x8000; \
1: SETD [D0Re0 + #PID], D0FrT; \
GETL D0FrT, D1RtP, [--A0StP];
#define RESTORE_PID \
CMP D0Re0, #0; \
BEQ 1f; \
MSETL [A0StP++], D0Re0, D0FrT; \
CALLR D1RtP, __VFORK_METAG_LOAD_TP; \
SUB D0Re0, D0Re0, #TLS_PRE_TCB_SIZE; \
GETD D0FrT, [D0Re0 + #PID]; \
NEG D0FrT, D0FrT; \
MOVT D1Re0, #0x8000; \
CMP D0FrT, D1Re0; \
XOREQ D0FrT, D0FrT, D0FrT; \
SETD [D0Re0 + #PID], D0FrT; \
GETL D0FrT, D1RtP, [--A0StP]; \
GETL D0Re0, D1Re0, [--A0StP]; \
1:
#include <../../../../../../../libc/sysdeps/linux/metag/vfork.S>