From patchwork Mon Sep 8 16:44:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Waldemar Brodkorb X-Patchwork-Id: 386990 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from whitealder.osuosl.org (whitealder.osuosl.org [140.211.166.138]) by ozlabs.org (Postfix) with ESMTP id 9C77A14018C for ; Tue, 9 Sep 2014 02:45:09 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 7219990E05; Mon, 8 Sep 2014 16:45:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nK4o318qg8GC; Mon, 8 Sep 2014 16:45:01 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by whitealder.osuosl.org (Postfix) with ESMTP id EBE208C831; Mon, 8 Sep 2014 16:45:00 +0000 (UTC) X-Original-To: uclibc@lists.busybox.net Delivered-To: uclibc@osuosl.org Received: from whitealder.osuosl.org (whitealder.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 0ACA71BF863 for ; Mon, 8 Sep 2014 16:44:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 04B378C831 for ; Mon, 8 Sep 2014 16:44:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xTMJSr3G6i0Z for ; Mon, 8 Sep 2014 16:44:56 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from helium.waldemar-brodkorb.de (helium.waldemar-brodkorb.de [89.238.66.15]) by whitealder.osuosl.org (Postfix) with ESMTPS id 375D18C4EE for ; Mon, 8 Sep 2014 16:44:56 +0000 (UTC) Received: by helium.waldemar-brodkorb.de (Postfix, from userid 1000) id 2F105104C7; Mon, 8 Sep 2014 18:44:54 +0200 (CEST) Date: Mon, 8 Sep 2014 18:44:53 +0200 From: Waldemar Brodkorb To: uclibc@uclibc.org Subject: [PATCH v2] nptl: remove duplicate vfork() in libpthread Message-ID: <20140908164453.GA21256@waldemar-brodkorb.de> MIME-Version: 1.0 Content-Disposition: inline X-Operating-System: Linux 3.2.0-4-amd64 x86_64 User-Agent: Mutt/1.5.21 (2010-09-15) X-BeenThere: uclibc@uclibc.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussion and development of uClibc \(the embedded C library\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: uclibc-bounces@uclibc.org Sender: uclibc-bounces@uclibc.org Automatic patching via two oneliners by Bernhard Reutner-Fischer : sed -i -e 's/[[:space:]]pt-vfork\.[csS]//' -e '/^ASFLAGS-pt-vfork\./d' $(git grep -l pt-vfork libpthread/nptl/sysdeps) find libpthread/nptl -name "*pt-vfork*" -exec git rm {} \; Reported-By: Thomas Petazzoni Tested-by: Thomas Petazzoni Signed-off-by: Waldemar Brodkorb --- Changes in v2: * removed ASFLAGS suggested by Eugene Rudoy --- .../nptl/sysdeps/unix/sysv/linux/alpha/pt-vfork.S | 42 -------------- .../nptl/sysdeps/unix/sysv/linux/arc/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/arc/pt-vfork.S | 7 --- .../nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/arm/pt-vfork.S | 37 ------------ .../sysdeps/unix/sysv/linux/i386/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S | 67 ---------------------- .../sysdeps/unix/sysv/linux/metag/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/metag/pt-vfork.S | 51 ---------------- .../sysdeps/unix/sysv/linux/mips/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/mips/pt-vfork.S | 37 ------------ .../sysdeps/unix/sysv/linux/powerpc/Makefile.arch | 3 +- .../unix/sysv/linux/powerpc/powerpc32/pt-vfork.S | 48 ---------------- .../unix/sysv/linux/powerpc/powerpc64/pt-vfork.S | 48 ---------------- .../sysdeps/unix/sysv/linux/powerpc/pt-vfork.S | 5 -- .../nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S | 64 --------------------- .../sysdeps/unix/sysv/linux/sparc/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S | 44 -------------- .../sysdeps/unix/sysv/linux/x86_64/Makefile.arch | 3 +- .../nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S | 32 ----------- 21 files changed, 9 insertions(+), 500 deletions(-) delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/alpha/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/arc/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/metag/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/mips/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S delete mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/pt-vfork.S deleted file mode 100644 index a6005c1..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/pt-vfork.S +++ /dev/null @@ -1,42 +0,0 @@ -/* Copyright (C) 2003, 2004 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; if not, see - . */ - -#include -#include - -#undef PSEUDO_PREPARE_ARGS -#define PSEUDO_PREPARE_ARGS \ - /* Load the current cached pid value across the vfork. */ \ - rduniq; \ - ldl a2, PID_OFFSET(v0); \ - mov v0, a1; \ - /* Write back its negation, to indicate that the pid value is \ - uninitialized in the the child, and in the window between \ - here and the point at which we restore the value. */ \ - negl a2, t0; \ - stl t0, PID_OFFSET(v0); - -PSEUDO (__vfork, vfork, 0) - - /* If we're back in the parent, restore the saved pid. */ - beq v0, 1f - stl a2, PID_OFFSET(a1) -1: ret - -PSEUDO_END (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arc/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/arc/Makefile.arch index 25e6fad..658aa6c 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/arc/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arc/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S +libpthread_linux_arch_SSRC = libpthread_linux_arch_CSRC = pthread_once.c lowlevellock.c \ pt-__syscall_rt_sigaction.c pt-__syscall_error.c @@ -17,7 +17,6 @@ CFLAGS-pthread_once.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_rt_sigaction.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread ASFLAGS-vfork.S = -DIS_IN_libc -DNOT_IN_libpthread ASFLAGS-clone.S = -DIS_IN_libc -DNOT_IN_libpthread diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arc/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/arc/pt-vfork.S deleted file mode 100644 index f222dca..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/arc/pt-vfork.S +++ /dev/null @@ -1,7 +0,0 @@ -/* - * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) - * - * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. - */ - -#include "vfork.S" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch index 329d8a9..6f05b7d 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S +libpthread_linux_arch_SSRC = libpthread_linux_arch_CSRC = pthread_once.c \ pt-__syscall_rt_sigaction.c pt-__syscall_error.c \ lowlevellock.c @@ -19,7 +19,6 @@ CFLAGS-pthread_once.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_rt_sigaction.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -marm ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) CFLAGS-fork.c = -D__USE_STDIO_FUTEXES__ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-vfork.S deleted file mode 100644 index df18f03..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-vfork.S +++ /dev/null @@ -1,37 +0,0 @@ -/* 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; if not, see - . */ - -#include - -/* Save the PID value. */ -#define SAVE_PID \ - str lr, [sp, #-4]!; /* Save LR. */ \ - mov r0, #0xffff0fff; /* Point to the high page. */ \ - mov lr, pc; /* Save our return address. */ \ - sub pc, r0, #31; /* Jump to the TLS entry. */ \ - ldr lr, [sp], #4; /* Restore LR. */ \ - mov r2, r0; /* Save the TLS addr in r2. */ \ - ldr r3, [r2, #PID_OFFSET]; /* Load the saved PID. */ \ - rsb r0, r3, #0; /* Negate it. */ \ - str r0, [r2, #PID_OFFSET] /* Store the temporary PID. */ - -/* Restore the old PID value in the parent. */ -#define RESTORE_PID \ - cmp r0, #0; /* If we are the parent... */ \ - strne r3, [r2, #PID_OFFSET] /* ... restore the saved PID. */ - -#include "../../../../../../../libc/sysdeps/linux/arm/vfork.S" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/Makefile.arch index 9a34595..94fc03a 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S clone.S pthread_spin_unlock.S pthread_once.S +libpthread_linux_arch_SSRC = clone.S pthread_spin_unlock.S pthread_once.S libpthread_linux_arch_CSRC = pthread_spin_init.c pt-__syscall_error.c libc_linux_arch_CSRC = fork.c @@ -14,7 +14,6 @@ libc_linux_arch_SSRC = clone.S vfork.S ASFLAGS += -DUSE___THREAD CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-lowlevellock.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-lowlevelrobustlock.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-pthread_once.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S deleted file mode 100644 index 5bba782..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright (C) 1999, 2002, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab . - - 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; if not, see - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* Save the PID value. */ -#define SAVE_PID \ - movl %gs:PID, %edx; \ - movl %edx, %eax; \ - negl %eax; \ - movl %eax, %gs:PID - -/* Restore the old PID value in the parent. */ -#define RESTORE_PID \ - testl %eax, %eax; \ - je 1f; \ - movl %edx, %gs:PID; \ -1: - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) - /* Pop the return PC value into ECX. */ - popl %ecx - - SAVE_PID - - /* Stuff the syscall number in EAX and enter into the kernel. */ - movl $SYS_ify (vfork), %eax - int $0x80 - - RESTORE_PID - - /* Jump to the return PC. Don't jump directly since this - disturbs the branch target cache. Instead push the return - address back on the stack. */ - pushl %ecx - - cmpl $-4095, %eax - jae SYSCALL_ERROR_LABEL /* Branch forward if it failed. */ -L(pseudo_end): - ret -PSEUDO_END (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/metag/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/metag/Makefile.arch index df98875..99dec6b 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/metag/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/metag/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S +libpthread_linux_arch_SSRC = libpthread_linux_arch_CSRC = pthread_once.c \ pt-__syscall_rt_sigaction.c pt-__syscall_error.c \ lowlevellock.c @@ -22,7 +22,6 @@ CFLAGS-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread ASFLAGS-vfork.S = -DIS_IN_libc -DNOT_IN_libpthread ASFLAGS-clone.S = -DIS_IN_libc -DNOT_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) CFLAGS-fork.c = -D__USE_STDIO_FUTEXES__ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/metag/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/metag/pt-vfork.S deleted file mode 100644 index 489c749..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/metag/pt-vfork.S +++ /dev/null @@ -1,51 +0,0 @@ -/* 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; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#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]; \ - NEG D0FrT, D0FrT; \ - 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; \ - SETD [D0Re0 + #PID], D0FrT; \ - GETL D0FrT, D1RtP, [--A0StP]; \ - GETL D0Re0, D1Re0, [--A0StP]; \ -1: - -#include <../../../../../../../libc/sysdeps/linux/metag/vfork.S> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch index fc26a8e..a453b6b 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S clone.S +libpthread_linux_arch_SSRC = clone.S libpthread_linux_arch_CSRC = pthread_once.c pt-__syscall_rt_sigaction.c libc_linux_arch_CSRC = fork.c @@ -21,7 +21,6 @@ CFLAGS-fork.c = -D__USE_STDIO_FUTEXES__ endif CFLAGS-pthread_once.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_rt_sigaction.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread ASFLAGS-clone.S = -D_LIBC_REENTRANT ASFLAGS-vfork.S = -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/pt-vfork.S deleted file mode 100644 index 52fbde3..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/pt-vfork.S +++ /dev/null @@ -1,37 +0,0 @@ -/* 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; if not, see - . */ - -#include -#include - -/* Save the PID value. */ -#define SAVE_PID \ - READ_THREAD_POINTER(v1); /* Get the thread pointer. */ \ - lw a2, PID_OFFSET(v1); /* Load the saved PID. */ \ - subu a2, $0, a2; /* Negate it. */ \ - sw a2, PID_OFFSET(v1); /* Store the temporary PID. */ - -/* Restore the old PID value in the parent. */ -#define RESTORE_PID \ - beqz v0, 1f; /* If we are the parent... */ \ - READ_THREAD_POINTER(v1); /* Get the thread pointer. */ \ - lw a2, PID_OFFSET(v1); /* Load the saved PID. */ \ - subu a2, $0, a2; /* Re-negate it. */ \ - sw a2, PID_OFFSET(v1); /* Restore the PID. */ \ -1: - -#include <../../../../../../../libc/sysdeps/linux/mips/vfork.S> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/Makefile.arch index 8581aea..215c2aa 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S +libpthread_linux_arch_SSRC = libpthread_linux_arch_CSRC = pthread_once.c pt-__syscall_error.c libc_linux_arch_CSRC = fork.c @@ -19,7 +19,6 @@ ASFLAGS += -DUSE___THREAD CFLAGS-pthread_once.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT #ASFLAGS-lowlevellock.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT #ASFLAGS-libc-lowlevellock.S = -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/pt-vfork.S deleted file mode 100644 index 2f82504..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/pt-vfork.S +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 2004. - - 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; if not, see - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) - lwz 0,PID(2) - neg 0,0 - stw 0,PID(2) - - DO_CALL (SYS_ify (vfork)) - - cmpwi 1,3,0 - beqlr- 1 - - lwz 0,PID(2) - neg 0,0 - stw 0,PID(2) - - PSEUDO_RET - -PSEUDO_END (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S deleted file mode 100644 index 12e47b3..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 2004. - - 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; if not, see - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) - lwz 0,PID(13) - neg 0,0 - stw 0,PID(13) - - DO_CALL (SYS_ify (vfork)) - - cmpwi 1,3,0 - beqlr- 1 - - lwz 0,PID(13) - neg 0,0 - stw 0,PID(13) - - PSEUDO_RET - -PSEUDO_END (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/pt-vfork.S deleted file mode 100644 index 0225219..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/pt-vfork.S +++ /dev/null @@ -1,5 +0,0 @@ -#if defined __powerpc64__ -# include "powerpc64/pt-vfork.S" -#else -# include "powerpc32/pt-vfork.S" -#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch index a8249e0..9ebbda5 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S pthread_once.S pthread_rwlock_wrlock.S \ +libpthread_linux_arch_SSRC = pthread_once.S pthread_rwlock_wrlock.S \ pthread_rwlock_rdlock.S pthread_rwlock_unlock.S \ lowlevellock.S lowlevelrobustlock.S pthread_barrier_wait.S \ pthread_cond_broadcast.S pthread_cond_signal.S \ @@ -17,7 +17,6 @@ libc_linux_arch_SSRC = libc-lowlevellock.S clone.S vfork.S ASFLAGS += -DUSE___THREAD -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-pthread_once.S = -D_LIBC_REENTRANT ASFLAGS-pthread_rwlock_wrlock.S = -D_LIBC_REENTRANT ASFLAGS-pthread_rwlock_rdlock.S = -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S deleted file mode 100644 index 56aa6d0..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright (C) 2003, 2004 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; if not, see - . */ - -#include -#define _ERRNO_H 1 -#include -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) - /* Save the PID value. */ - stc gbr, r2 - mov.w .L2, r0 - mov.l @(r0,r2), r4 - neg r4, r1 - mov.l r1, @(r0,r2) - - mov.w .L1, r3 - trapa #0x10 - mov r0, r1 - - /* Restore the old PID value in the parent. */ - tst r0, r0 - bt/s 2f - stc gbr, r2 - mov.w .L2, r0 - mov.l r4, @(r0,r2) - mov r1, r0 -2: - mov #-12, r2 - shad r2, r1 - not r1, r1 // r1=0 means r0 = -1 to -4095 - tst r1, r1 // i.e. error in linux - bf .Lpseudo_end - SYSCALL_ERROR_HANDLER -.Lpseudo_end: - rts - nop -.L1: - .word __NR_vfork -.L2: - .word PID - TLS_PRE_TCB_SIZE - -PSEUDO_END (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch index 102c0da..aedad2c 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S clone.S +libpthread_linux_arch_SSRC = clone.S libpthread_linux_arch_CSRC = pthread_once.c lowlevellock.c \ pthread_barrier_init.c pthread_barrier_wait.c pthread_barrier_destroy.c \ pt-__syscall_error.c @@ -17,7 +17,6 @@ librt_linux_arch_CSRC = pt-__syscall_error.c ASFLAGS += -DUSE___THREAD -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT CFLAGS-pthread_once.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-lowlevellock.c = -DNOT_IN_libc -DIS_IN_libpthread CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S deleted file mode 100644 index 37231a8..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S +++ /dev/null @@ -1,44 +0,0 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 2004. - - 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; if not, see - . */ - -#include -#include - - .text - .globl __syscall_error -ENTRY(__vfork) - ld [%g7 + PID], %o5 - sub %g0, %o5, %o4 - st %o4, [%g7 + PID] - - LOADSYSCALL(vfork) - ta 0x10 - bcc 2f - mov %o7, %g1 - st %o5, [%g7 + PID] - call __syscall_error - mov %g1, %o7 -2: sub %o1, 1, %o1 - andcc %o0, %o1, %o0 - bne,a 1f - st %o5, [%g7 + PID] -1: retl - nop -END(__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile.arch index 71df986..7c2505f 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pt-vfork.S clone.S pthread_once.S \ +libpthread_linux_arch_SSRC = clone.S pthread_once.S \ lowlevellock.S pthread_barrier_wait.S pthread_cond_signal.S pthread_cond_broadcast.S \ sem_post.S sem_timedwait.S lowlevelrobustlock.S \ sem_trywait.S sem_wait.S pthread_rwlock_rdlock.S pthread_rwlock_wrlock.S \ @@ -21,7 +21,6 @@ librt_linux_arch_SSRC = librt-cancellation.S ASFLAGS += -DUSE___THREAD CFLAGS-pt-__syscall_error.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-lowlevellock.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-pthread_once.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-cancellation.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S deleted file mode 100644 index 08a085c..0000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S +++ /dev/null @@ -1,32 +0,0 @@ -/* Copyright (C) 2004 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; if not, see - . */ - -#include - -#define SAVE_PID \ - movl %fs:PID, %esi; \ - movl %esi, %edx; \ - negl %edx; \ - movl %edx, %fs:PID - -#define RESTORE_PID \ - testq %rax, %rax; \ - je 1f; \ - movl %esi, %fs:PID; \ -1: - -#include <../../../../../../../libc/sysdeps/linux/x86_64/vfork.S>