zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/pspinlock.c b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/pspinlock.c
new file mode 100644
index 0000000..9deb0b1
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/pspinlock.c
@@ -0,0 +1,82 @@
+/* POSIX spinlock implementation. Arm version.
+ Copyright (C) 2000 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,
+ 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"
+
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ do
+ __asm__ __volatile__ ("swp %0, %1, [%2]"
+ : "=r" (val)
+ : "0" (1), "r" (lock)
+ : "memory");
+ while (val != 0);
+
+ return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ __asm__ __volatile__ ("swp %0, %1, [%2]"
+ : "=r" (val)
+ : "0" (1), "r" (lock)
+ : "memory");
+
+ return val ? EBUSY : 0;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ return *lock = 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. */
+ return *lock = 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/arm/pt-machine.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/pt-machine.h
new file mode 100644
index 0000000..9ffc8bd
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/pt-machine.h
@@ -0,0 +1,54 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ ARM version.
+ Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Philip Blundell <philb@gnu.org>.
+
+ 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
+
+#include <features.h>
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+/* This will not work on ARM1 or ARM2 because SWP is lacking on those
+ machines. Unfortunately we have no way to detect this at compile
+ time; let's hope nobody tries to use one. */
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ register unsigned int ret;
+
+ __asm__ __volatile__("swp %0, %1, [%2]"
+ : "=r"(ret)
+ : "0"(1), "r"(spinlock));
+
+ 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__ ("sp");
+
+#endif /* pt-machine.h */
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep-cancel.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep-cancel.h
new file mode 100644
index 0000000..ba6a1e0
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep-cancel.h
@@ -0,0 +1,8 @@
+#include <sysdep.h>
+
+/* No multi-thread handling enabled. */
+#define SINGLE_THREAD_P (1)
+#define RTLD_SINGLE_THREAD_P (1)
+#define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
+#define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */
+#define LIBC_CANCEL_HANDLED() /* Nothing. */
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep.h
new file mode 100644
index 0000000..15d951c
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/sysdep.h
@@ -0,0 +1,137 @@
+/* Generic asm macros used on many machines.
+ Copyright (C) 1991,92,93,96,98,2002,2003 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 C_LABEL
+
+/* Define a macro we can use to construct the asm name for a C symbol. */
+#ifdef NO_UNDERSCORES
+#ifdef __STDC__
+#define C_LABEL(name) name##:
+#else
+#define C_LABEL(name) name/**/:
+#endif
+#else
+#ifdef __STDC__
+#define C_LABEL(name) _##name##:
+#else
+#define C_LABEL(name) _/**/name/**/:
+#endif
+#endif
+
+#endif
+
+#ifdef __ASSEMBLER__
+/* Mark the end of function named SYM. This is used on some platforms
+ to generate correct debugging information. */
+#ifndef END
+#define END(sym)
+#endif
+
+#ifndef JUMPTARGET
+#define JUMPTARGET(sym) sym
+#endif
+
+/* Makros to generate eh_frame unwind information. */
+# ifdef HAVE_ASM_CFI_DIRECTIVES
+# define cfi_startproc .cfi_startproc
+# define cfi_endproc .cfi_endproc
+# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
+# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
+# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
+# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
+# define cfi_offset(reg, off) .cfi_offset reg, off
+# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
+# define cfi_register(r1, r2) .cfi_register r1, r2
+# define cfi_return_column(reg) .cfi_return_column reg
+# define cfi_restore(reg) .cfi_restore reg
+# define cfi_same_value(reg) .cfi_same_value reg
+# define cfi_undefined(reg) .cfi_undefined reg
+# define cfi_remember_state .cfi_remember_state
+# define cfi_restore_state .cfi_restore_state
+# define cfi_window_save .cfi_window_save
+# else
+# define cfi_startproc
+# define cfi_endproc
+# define cfi_def_cfa(reg, off)
+# define cfi_def_cfa_register(reg)
+# define cfi_def_cfa_offset(off)
+# define cfi_adjust_cfa_offset(off)
+# define cfi_offset(reg, off)
+# define cfi_rel_offset(reg, off)
+# define cfi_register(r1, r2)
+# define cfi_return_column(reg)
+# define cfi_restore(reg)
+# define cfi_same_value(reg)
+# define cfi_undefined(reg)
+# define cfi_remember_state
+# define cfi_restore_state
+# define cfi_window_save
+# endif
+
+#else /* ! ASSEMBLER */
+# ifdef HAVE_ASM_CFI_DIRECTIVES
+# define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
+# define CFI_STRINGIFY2(Name) #Name
+# define CFI_STARTPROC ".cfi_startproc"
+# define CFI_ENDPROC ".cfi_endproc"
+# define CFI_DEF_CFA(reg, off) \
+ ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_DEF_CFA_REGISTER(reg) \
+ ".cfi_def_cfa_register " CFI_STRINGIFY(reg)
+# define CFI_DEF_CFA_OFFSET(off) \
+ ".cfi_def_cfa_offset " CFI_STRINGIFY(off)
+# define CFI_ADJUST_CFA_OFFSET(off) \
+ ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
+# define CFI_OFFSET(reg, off) \
+ ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_REL_OFFSET(reg, off) \
+ ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_REGISTER(r1, r2) \
+ ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
+# define CFI_RETURN_COLUMN(reg) \
+ ".cfi_return_column " CFI_STRINGIFY(reg)
+# define CFI_RESTORE(reg) \
+ ".cfi_restore " CFI_STRINGIFY(reg)
+# define CFI_UNDEFINED(reg) \
+ ".cfi_undefined " CFI_STRINGIFY(reg)
+# define CFI_REMEMBER_STATE \
+ ".cfi_remember_state"
+# define CFI_RESTORE_STATE \
+ ".cfi_restore_state"
+# define CFI_WINDOW_SAVE \
+ ".cfi_window_save"
+# else
+# define CFI_STARTPROC
+# define CFI_ENDPROC
+# define CFI_DEF_CFA(reg, off)
+# define CFI_DEF_CFA_REGISTER(reg)
+# define CFI_DEF_CFA_OFFSET(off)
+# define CFI_ADJUST_CFA_OFFSET(off)
+# define CFI_OFFSET(reg, off)
+# define CFI_REL_OFFSET(reg, off)
+# define CFI_REGISTER(r1, r2)
+# define CFI_RETURN_COLUMN(reg)
+# define CFI_RESTORE(reg)
+# define CFI_UNDEFINED(reg)
+# define CFI_REMEMBER_STATE
+# define CFI_RESTORE_STATE
+# define CFI_WINDOW_SAVE
+# endif
+
+#endif /* __ASSEMBLER__ */
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/tls.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/tls.h
new file mode 100644
index 0000000..8057a54
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/arm/tls.h
@@ -0,0 +1,172 @@
+/* Definitions for thread-local data handling. linuxthreads/ARM version.
+ 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, 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 <stdbool.h>
+# include <pt-machine.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
+{
+ dtv_t *dtv;
+
+ /* Reserved for the thread implementation. Unused in LinuxThreads. */
+ void *private;
+} tcbhead_t;
+#endif
+
+
+/* We can support TLS only if the floating-stack support is available.
+ However, we want to compile in the support and test at runtime whether
+ the running kernel can support it or not. 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.
+ But some of the code below can cause problems in building libpthread
+ (e.g. useldt.h will defined FLOATING_STACKS when it shouldn't). */
+
+/* LinuxThreads can only support TLS if both floating stacks and support
+ from the tools are available.
+
+ We have to define USE_TLS consistently, or ldsodefs.h will lay out types
+ differently between an NPTL build and a LinuxThreads build. It can be set
+ for libc.so and not libpthread.so, but only if we provide appropriate padding
+ in the _pthread_descr_struct.
+
+ Currently nothing defines FLOATING_STACKS. We could assume this based on
+ kernel version once the TLS patches are available in kernel.org.
+
+ To avoid bothering with the TLS support code at all, use configure
+ --without-tls. */
+
+#if defined HAVE_TLS_SUPPORT \
+ && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
+
+/* Signal that TLS support is available. */
+# define USE_TLS 1
+
+/* Include padding in _pthread_descr_struct so that libc can find p_errno,
+ if libpthread will only include the padding because of the !IS_IN_libpthread
+ check. */
+#ifndef FLOATING_STACKS
+# define INCLUDE_TLS_PADDING 1
+#endif
+
+# ifndef __ASSEMBLER__
+/* Get system call information. */
+# include <sysdep.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 (tcbhead_t)
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size we need before TCB. */
+# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
+
+/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
+# define TLS_DTV_AT_TP 1
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(TCBP, DTVP) \
+ (((tcbhead_t *) (TCBP))->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(TCBP) \
+ (((tcbhead_t *) (TCBP))->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. */
+# define TLS_INIT_TP(TCBP, SECONDCALL) \
+ ({ INTERNAL_SYSCALL_DECL (err); \
+ long result_var; \
+ result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (TCBP)); \
+ INTERNAL_SYSCALL_ERROR_P (result_var, err) \
+ ? "unknown error" : NULL; })
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *)__builtin_thread_pointer ())->dtv)
+
+/* Return the thread descriptor for the current thread. */
+# undef THREAD_SELF
+# define THREAD_SELF \
+ ((pthread_descr)__builtin_thread_pointer () - 1)
+
+# undef INIT_THREAD_SELF
+# define INIT_THREAD_SELF(DESCR, NR) \
+ TLS_INIT_TP ((struct _pthread_descr_struct *)(DESCR) + 1, 0)
+
+/* Get the thread descriptor definition. */
+# include <linuxthreads/descr.h>
+
+/* ??? Generic bits of LinuxThreads may call these macros with
+ DESCR set to NULL. We are expected to be able to reference
+ the "current" value.
+
+ In our case, we'd really prefer to use DESCR, since lots of
+ PAL_code calls would be expensive. We can only trust that
+ the compiler does its job and unifies the multiple
+ __builtin_thread_pointer instances. */
+
+#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))
+
+/* Initializing the thread pointer will generate a SIGILL if the syscall
+ is not available. */
+#define TLS_INIT_TP_EXPENSIVE 1
+
+# endif /* HAVE_TLS_SUPPORT */
+#endif /* __ASSEMBLER__ */
+
+#endif /* tls.h */