zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/pspinlock.c b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/pspinlock.c
new file mode 100644
index 0000000..98be504
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/pspinlock.c
@@ -0,0 +1,91 @@
+/* POSIX spinlock implementation. S/390 version.
+ Copyright (C) 2000, 2004 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ 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,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <pthread.h>
+#include "internals.h"
+
+/* This implementation is similar to the one used in the Linux kernel.
+ But the kernel is byte instructions for the memory access. This is
+ faster but unusable here. The problem is that only 128
+ threads/processes could use the spinlock at the same time. If (by
+ a design error in the program) a thread/process would hold the
+ spinlock for a time long enough to accumulate 128 waiting
+ processes, the next one will find a positive value in the spinlock
+ and assume it is unlocked. We cannot accept that. */
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ __asm__ __volatile__(" basr 1,0\n"
+ "0: slr 0,0\n"
+ " cs 0,1,%1\n"
+ " jl 0b\n"
+ : "=m" (*lock)
+ : "m" (*lock) : "0", "1", "cc" );
+ return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ int oldval;
+
+ __asm__ __volatile__(" slr %1,%1\n"
+ " basr 1,0\n"
+ "0: cs %1,1,%0"
+ : "=m" (*lock), "=&d" (oldval)
+ : "m" (*lock) : "1", "cc" );
+ return oldval == 0 ? 0 : EBUSY;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ __asm__ __volatile__(" xc 0(4,%0),0(%0)\n"
+ " bcr 15,0"
+ : : "a" (lock) : "memory" );
+ return 0;
+}
+weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
+
+
+int
+__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
+{
+ /* We can ignore the `pshared' parameter. Since we are busy-waiting
+ all processes which can access the memory location `lock' points
+ to can use the spinlock. */
+ *lock = 0;
+ return 0;
+}
+weak_alias (__pthread_spin_init, pthread_spin_init)
+
+
+int
+__pthread_spin_destroy (pthread_spinlock_t *lock)
+{
+ /* Nothing to do. */
+ return 0;
+}
+weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h
new file mode 100644
index 0000000..d52d600
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h
@@ -0,0 +1,120 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ S390 version.
+ Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ 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,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* For multiprocessor systems, we want to ensure all memory accesses
+ are completed before we reset a lock. On other systems, we still
+ need to make sure that the compiler has flushed everything to memory. */
+#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory")
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ int ret;
+
+ __asm__ __volatile__(
+ " la 1,%1\n"
+ " lhi 0,1\n"
+ " l %0,%1\n"
+ "0: cs %0,0,0(1)\n"
+ " jl 0b"
+ : "=&d" (ret), "+m" (*spinlock)
+ : : "0", "1", "cc");
+
+ return ret;
+}
+
+
+/* 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__ ("15");
+
+#ifdef USE_TLS
+/* Return the thread descriptor for the current thread. */
+# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ())
+
+/* Initialize the thread-unique value. */
+#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr)
+#else
+/* Return the thread descriptor for the current thread.
+ S/390 registers uses access register 0 as "thread register". */
+#define THREAD_SELF ({ \
+ register pthread_descr __self; \
+ __asm__ ("ear %0,%%a0" : "=d" (__self) ); \
+ __self; \
+})
+
+/* Initialize the thread-unique value. */
+#define INIT_THREAD_SELF(descr, nr) ({ \
+ __asm__ ("sar %%a0,%0" : : "d" (descr) ); \
+})
+#endif
+
+/* Access to data in the thread descriptor is easy. */
+#define THREAD_GETMEM(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_GETMEM_NC(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_SETMEM(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+#define THREAD_SETMEM_NC(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+
+/* We want the OS to assign stack addresses. */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited. */
+#define ARCH_STACK_MAX_SIZE 8*1024*1024
+
+/* Compare-and-swap for semaphores. */
+
+#define HAS_COMPARE_AND_SWAP
+
+PT_EI int
+__compare_and_swap(long int *p, long int oldval, long int newval)
+{
+ int retval;
+
+ __asm__ __volatile__(
+ " la 1,%1\n"
+ " lr 0,%2\n"
+ " cs 0,%3,0(1)\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ "0:"
+ : "=&d" (retval), "+m" (*p)
+ : "d" (oldval) , "d" (newval)
+ : "cc", "0", "1" );
+ return retval == 0;
+}
+
+#endif /* pt-machine.h */
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h
new file mode 100644
index 0000000..187e1f8
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h
@@ -0,0 +1,125 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ 64 bit S/390 version.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ 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,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* For multiprocessor systems, we want to ensure all memory accesses
+ are completed before we reset a lock. On other systems, we still
+ need to make sure that the compiler has flushed everything to memory. */
+#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory")
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ int ret;
+
+ __asm__ __volatile__(
+ " la 1,%1\n"
+ " lhi 0,1\n"
+ " l %0,%1\n"
+ "0: cs %0,0,0(1)\n"
+ " jl 0b"
+ : "=&d" (ret), "+m" (*spinlock)
+ : : "0", "1", "cc");
+
+ return ret;
+}
+
+
+/* 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__ ("15");
+
+#ifdef USE_TLS
+/* Return the thread descriptor for the current thread. */
+# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ())
+
+/* Initialize the thread-unique value. */
+#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr)
+#else
+/* Return the thread descriptor for the current thread.
+ 64 bit S/390 uses access register 0 and 1 as "thread register". */
+#define THREAD_SELF ({ \
+ register pthread_descr __self; \
+ __asm__ (" ear %0,%%a0\n" \
+ " sllg %0,%0,32\n" \
+ " ear %0,%%a1\n" \
+ : "=d" (__self) ); \
+ __self; \
+})
+
+/* Initialize the thread-unique value. */
+#define INIT_THREAD_SELF(descr, nr) ({ \
+ __asm__ (" sar %%a1,%0\n" \
+ " srlg 0,%0,32\n" \
+ " sar %%a0,0\n" \
+ : : "d" (descr) : "0" ); \
+})
+#endif
+
+/* Access to data in the thread descriptor is easy. */
+#define THREAD_GETMEM(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_GETMEM_NC(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_SETMEM(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+#define THREAD_SETMEM_NC(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+
+/* We want the OS to assign stack addresses. */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited. */
+#define ARCH_STACK_MAX_SIZE 8*1024*1024
+
+/* Compare-and-swap for semaphores. */
+
+#define HAS_COMPARE_AND_SWAP
+
+PT_EI int
+__compare_and_swap(long int *p, long int oldval, long int newval)
+{
+ int retval;
+
+ __asm__ __volatile__(
+ " lgr 0,%2\n"
+ " csg 0,%3,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ "0:"
+ : "=&d" (retval), "+m" (*p)
+ : "d" (oldval) , "d" (newval)
+ : "cc", "0");
+ return retval == 0;
+}
+
+#endif /* pt-machine.h */
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym
new file mode 100644
index 0000000..aee6be2
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym
@@ -0,0 +1,4 @@
+#include <sysdep.h>
+#include <tls.h>
+
+MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tls.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tls.h
new file mode 100644
index 0000000..f750f2d
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/s390/tls.h
@@ -0,0 +1,145 @@
+/* Definitions for thread-local data handling. linuxthreads/s390 version.
+ Copyright (C) 2002, 2003, 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. */
+
+#ifndef _TLS_H
+#define _TLS_H
+
+#ifndef __ASSEMBLER__
+
+# include <pt-machine.h>
+# include <stdbool.h>
+# include <stddef.h>
+
+/* Type for the dtv. */
+typedef union dtv
+{
+ size_t counter;
+ struct
+ {
+ void *val;
+ bool is_static;
+ } pointer;
+} dtv_t;
+
+typedef struct
+{
+ void *tcb; /* Pointer to the TCB. Not necessary the
+ thread descriptor used by libpthread. */
+ dtv_t *dtv;
+ void *self; /* Pointer to the thread descriptor. */
+ int multiple_threads;
+} tcbhead_t;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+/* TLS is always supported if the tools support it. There are no
+ kernel dependencies. To avoid bothering with the TLS support code
+ at all, use configure --without-tls.
+
+ We need USE_TLS to be consistently defined, for ldsodefs.h
+ conditionals. */
+
+#ifdef HAVE_TLS_SUPPORT
+
+/* Signal that TLS support is available. */
+# define USE_TLS 1
+
+# ifndef __ASSEMBLER__
+/* Get system call information. */
+# include <sysdep.h>
+
+
+/* Get the thread descriptor definition. */
+# include <linuxthreads/descr.h>
+
+/* This is the size of the initial TCB. */
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size of the TCB. */
+# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct)
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
+
+/* The TCB can have any size and the memory following the address the
+ thread pointer points to is unspecified. Allocate the TCB there. */
+# define TLS_TCB_AT_TP 1
+
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(descr, dtvp) \
+ ((tcbhead_t *) (descr))->dtv = (dtvp) + 1
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(dtv) \
+ (((tcbhead_t *) __builtin_thread_pointer ())->dtv = (dtv))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(descr) \
+ (((tcbhead_t *) (descr))->dtv)
+
+/* Code to initially initialize the thread pointer. This might need
+ special attention since 'errno' is not yet available and if the
+ operation can cause a failure 'errno' must not be touched.
+
+ The value of this macro is null if successful, or an error string. */
+# define TLS_INIT_TP(descr, secondcall) \
+ ({ \
+ void *_descr = (descr); \
+ tcbhead_t *head = _descr; \
+ \
+ head->tcb = _descr; \
+ /* For now the thread descriptor is at the same address. */ \
+ head->self = _descr; \
+ \
+ __builtin_set_thread_pointer (_descr); \
+ NULL; \
+ })
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *) __builtin_thread_pointer ())->dtv)
+
+# endif /* __ASSEMBLER__ */
+
+#else /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */
+
+# ifndef __ASSEMBLER__
+
+/* Get the thread descriptor definition. */
+# include <linuxthreads/descr.h>
+
+# define NONTLS_INIT_TP \
+ do { \
+ static const tcbhead_t nontls_init_tp \
+ = { .multiple_threads = 0 }; \
+ INIT_THREAD_SELF (&nontls_init_tp, 0); \
+ } while (0)
+
+# endif /* __ASSEMBLER__ */
+
+#endif /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */
+
+#endif /* tls.h */