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Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h242
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diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
new file mode 100644
index 0000000000..be343aabca
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
@@ -0,0 +1,242 @@
+/* Copyright (C) 2000, 2002, 2003, 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 _LINUX_MIPS_SYSDEP_H
+#define _LINUX_MIPS_SYSDEP_H 1
+
+/* There is some commonality. */
+#include <sysdeps/unix/mips/mips64/n32/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_N32_##syscall_name
+#else
+# define SYS_ify(syscall_name) __NR_N32_/**/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(name, err, args)
+
+#define internal_syscall0(name, err, dummy...) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2"); \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %2\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "i" (SYS_ify(name)) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall1(name, err, arg1) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %3\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "i" (SYS_ify(name)) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall2(name, err, arg1, arg2) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %4\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "r" (__a1), "i" (SYS_ify(name)) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall3(name, err, arg1, arg2, arg3) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall4(name, err, arg1, arg2, arg3, arg4) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
+ register long long __a4 asm("$8") = (long long) arg5; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
+ "r" (__a4) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall6(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2"); \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
+ register long long __a4 asm("$8") = (long long) arg5; \
+ register long long __a5 asm("$9") = (long long) arg6; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "li\t$2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
+ "r" (__a4), "r" (__a5) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "memory"
+#endif /* __ASSEMBLER__ */
+
+#endif /* linux/mips/sysdep.h */
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