From 6a8ccc95528f5e86a8770ed15ce89609b5b3dee9 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Wed, 18 May 2016 18:41:24 +0200 Subject: remove linuxthreads.new, rename linuxthreads.old Linuxthreads.new isn't really useful with the existence of NPTL/TLS for well supported architectures. There is no reason to use LT.new for ARM/MIPS or other architectures supporting NPTL/TLS. It is not available for noMMU architectures like Blackfin or FR-V. To simplify the live of the few uClibc-ng developers, LT.new is removed and LT.old is renamed to LT. LINUXTHREADS_OLD -> UCLIBC_HAS_LINUXTHREADS --- libpthread/linuxthreads/sysdeps/frv/pt-machine.h | 69 ++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 libpthread/linuxthreads/sysdeps/frv/pt-machine.h (limited to 'libpthread/linuxthreads/sysdeps/frv') diff --git a/libpthread/linuxthreads/sysdeps/frv/pt-machine.h b/libpthread/linuxthreads/sysdeps/frv/pt-machine.h new file mode 100644 index 000000000..6f867ade7 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/frv/pt-machine.h @@ -0,0 +1,69 @@ +/* Machine-dependent pthreads configuration and inline functions. + FR-V version. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva + + 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 . */ + +#ifndef _PT_MACHINE_H +#define _PT_MACHINE_H 1 + +#include + +#ifndef __ASSEMBLER__ + +#ifndef PT_EI +# define PT_EI __extern_always_inline +#endif + +/* Spinlock implementation; required. */ +PT_EI long int +testandset (int *spinlock) +{ + int i = 1; + __asm__ ("swap%I0 %M0, %1" : "+m"(*(volatile int *)spinlock), "+r"(i)); + return i; +} + +/* We want the OS to assign stack addresses. */ +#define FLOATING_STACKS 1 + +/* This symbol is defined by the ABI as the stack size requested by + the main program. */ +extern char __stacksize; +#define ARCH_STACK_MAX_SIZE ((unsigned long)&__stacksize) + +/* Memory barrier; default is to do nothing */ +#define MEMORY_BARRIER() __asm__ __volatile__("membar" : : : "memory") +/* Write barrier. */ +#define WRITE_MEMORY_BARRIER() __asm__ __volatile__("membar" : : : "memory") + +/* Return the thread descriptor for the current thread. */ +register struct _pthread_descr_struct *THREAD_SELF __asm__ ("gr29"); +#define THREAD_SELF THREAD_SELF + +/* Initialize the thread-unique value. */ +#define INIT_THREAD_SELF(descr, nr) \ + (THREAD_SELF = descr) + +/* Get some notion of the current stack. Need not be exactly the top + of the stack, just something somewhere in the current frame. */ +#define CURRENT_STACK_FRAME stack_pointer +register char * stack_pointer __asm__ ("sp"); + +#endif + +#endif /* pt-machine.h */ -- cgit v1.2.3