zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/mips/sysdep.h b/ap/build/uClibc/libc/sysdeps/linux/mips/sysdep.h
new file mode 100644
index 0000000..9de4f1a
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/mips/sysdep.h
@@ -0,0 +1,393 @@
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003, 2004
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Brendan Kehoe (brendan@zen.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; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _LINUX_MIPS_SYSDEP_H
+#define _LINUX_MIPS_SYSDEP_H 1
+
+#include <sgidefs.h>
+#include <common/sysdep.h>
+
+/* For Linux we can use the system call table in the header file
+ /usr/include/asm/unistd.h
+ of the kernel. But these symbols do not follow the SYS_* syntax
+ so we have to redefine the `SYS_ify' macro here. */
+
+#undef SYS_ify
+#ifdef __STDC__
+# define SYS_ify(syscall_name) __NR_##syscall_name
+#else
+# define SYS_ify(syscall_name) __NR_/**/syscall_name
+#endif
+
+#ifdef __ASSEMBLER__
+
+#include <sys/regdef.h>
+
+#define ENTRY(name) \
+ .globl name; \
+ .align 2; \
+ .ent name,0; \
+ name##:
+
+#undef END
+#define END(function) \
+ .end function; \
+ .size function,.-function
+
+#define ret j ra ; nop
+
+#undef PSEUDO_END
+#define PSEUDO_END(sym) .end sym; .size sym,.-sym
+
+#define PSEUDO_NOERRNO(name, syscall_name, args) \
+ .align 2; \
+ ENTRY(name) \
+ .set noreorder; \
+ li v0, SYS_ify(syscall_name); \
+ syscall
+
+#undef PSEUDO_END_NOERRNO
+#define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym
+
+#define ret_NOERRNO ret
+
+#define PSEUDO_ERRVAL(name, syscall_name, args) \
+ .align 2; \
+ ENTRY(name) \
+ .set noreorder; \
+ li v0, SYS_ify(syscall_name); \
+ syscall
+
+#undef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym
+
+#define ret_ERRVAL ret
+
+#define r0 v0
+#define r1 v1
+/* The mips move insn is d,s. */
+#define MOVE(x,y) move y , x
+
+#if _MIPS_SIM == _ABIO32
+# define L(label) $L ## label
+#else
+# define L(label) .L ## label
+#endif
+
+/* Note that while it's better structurally, going back to call __syscall_error
+ can make things confusing if you're debugging---it looks like it's jumping
+ backwards into the previous fn. */
+
+#ifdef __PIC__
+#define PSEUDO(name, syscall_name, args) \
+ .align 2; \
+ 99: move a0, v0; \
+ la t9,__syscall_error; \
+ jr t9; \
+ ENTRY(name) \
+ .set noreorder; \
+ .cpload t9; \
+ li v0, SYS_ify(syscall_name); \
+ syscall; \
+ .set reorder; \
+ bne a3, zero, 99b; \
+L(syse1):
+#else
+#define PSEUDO(name, syscall_name, args) \
+ .set noreorder; \
+ .align 2; \
+ 99: move a0, v0; \
+ j __syscall_error; \
+ nop; \
+ ENTRY(name) \
+ .set noreorder; \
+ li v0, SYS_ify(syscall_name); \
+ syscall; \
+ .set reorder; \
+ bne a3, zero, 99b; \
+L(syse1):
+#endif
+
+/* We don't want the label for the error handler to be visible in the symbol
+ table when we define it here. */
+#ifdef __PIC__
+# define SYSCALL_ERROR_LABEL 99b
+#endif
+
+#else /* ! __ASSEMBLER__ */
+
+/* Define a macro which expands into the inline wrapper code for a system
+ call. */
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ INTERNAL_SYSCALL_DECL(err); \
+ long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
+ if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
+ result_var = -1L; \
+ } \
+ result_var; })
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) long err
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+ internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
+ "i" (SYS_ify (name)), err, args)
+
+#undef INTERNAL_SYSCALL_NCS
+#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+ internal_syscall##nr (= number, , "r" (__v0), err, args)
+#undef internal_syscall0
+#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a3 __asm__("$7"); \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall1
+#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a3 __asm__("$7"); \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall2
+#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a3 __asm__("$7"); \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall3
+#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3)\
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a2 __asm__("$6") = (long) arg3; \
+ register long __a3 __asm__("$7"); \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall4
+#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4)\
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a2 __asm__("$6") = (long) arg3; \
+ register long __a3 __asm__("$7") = (long) arg4; \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+/* We need to use a frame pointer for the functions in which we
+ adjust $sp around the syscall, or debug information and unwind
+ information will be $sp relative and thus wrong during the syscall. As
+ of GCC 3.4.3, this is sufficient. */
+#define FORCE_FRAME_POINTER alloca (4)
+
+#undef internal_syscall5
+#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a2 __asm__("$6") = (long) arg3; \
+ register long __a3 __asm__("$7") = (long) arg4; \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall6
+#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a2 __asm__("$6") = (long) arg3; \
+ register long __a3 __asm__("$7") = (long) arg4; \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ "sw\t%7, 20($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5), "r" ((long)arg6) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef internal_syscall7
+#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 __asm__("$2") ncs_init; \
+ register long __a0 __asm__("$4") = (long) arg1; \
+ register long __a1 __asm__("$5") = (long) arg2; \
+ register long __a2 __asm__("$6") = (long) arg3; \
+ register long __a3 __asm__("$7") = (long) arg4; \
+ __asm__ __volatile__ ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ "sw\t%7, 20($29)\n\t" \
+ "sw\t%8, 24($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#undef __SYSCALL_CLOBBERS
+#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "memory"
+
+/* Pointer mangling is not yet supported for MIPS. */
+#define PTR_MANGLE(var) (void) (var)
+#define PTR_DEMANGLE(var) (void) (var)
+
+#endif /* __ASSEMBLER__ */
+#endif /* _LINUX_MIPS_SYSDEP_H */