diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch | 6 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S | 2 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S | 43 |
3 files changed, 50 insertions, 1 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch index 8e7917bb0..3042cb480 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch @@ -5,10 +5,11 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_SSRC = pt-vfork.S +libpthread_SSRC = pt-vfork.S clone.S libpthread_CSRC = pthread_once.c pt-__syscall_rt_sigaction.c libc_a_CSRC = fork.c +libc_a_SSRC = clone.S vfork.S CFLAGS-OMIT-fork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) @@ -19,6 +20,9 @@ CFLAGS-pt-__syscall_rt_sigaction.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 ASFLAGS-pt-vfork.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 +ASFLAGS-clone.S = -D_LIBC_REENTRANT +ASFLAGS-vfork.S = -D_LIBC_REENTRANT + CFLAGS += $(SSP_ALL_CFLAGS) #CFLAGS:=$(CFLAGS:-O1=-O2) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S new file mode 100644 index 000000000..858877f07 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S @@ -0,0 +1,2 @@ +#define RESET_PID +#include <libc/sysdeps/linux/mips/clone.S> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S new file mode 100644 index 000000000..9d489e303 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S @@ -0,0 +1,43 @@ +/* Copyright (C) 2005, 2006 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 <features.h> +#include <tls.h> + +/* 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. */ \ + bnez a2, 1f; /* If it was zero... */ \ + lui a2, 0x8000; /* use 0x80000000 instead. */ \ +1: 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. */ \ + lui a0, 0x8000; /* Load 0x80000000... */ \ + bne a2, a0, 2f; /* ... compare against it... */ \ + li a2, 0; /* ... use 0 instead. */ \ +2: sw a2, PID_OFFSET(v1); /* Restore the PID. */ \ +1: + +#include <../../../../../../../libc/sysdeps/linux/mips/vfork.S> |