Clean up the 'sysdep.h' header chain. Other architectures will have their own 'sysdep.h' file in the various NPTL threads directories. Clean up other files having to do with the usage of it.

1 files changed, 295 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h
new file mode 100644
index 000000000..b8c5280ab
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h
@@ -0,0 +1,295 @@
+/* Copyright (C) 2000, 2002, 2003, 2004, 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 _LINUX_MIPS_MIPS32_SYSDEP_H
+#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
+
+#include <sys/syscall.h>
+
+/* There is some commonality.  */
+#include <sysdeps/mips/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__
+
+/* 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)
+
+#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;							\
+})
+
+#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;							\
+})
+
+#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;							\
+})
+
+#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;							\
+})
+
+#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)
+
+#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;							\
+})
+
+#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;							\
+})
+
+#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"
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* sysdeps/unix/sysv/linux/mips/sysdep.h */