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47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* Syscall definitions, Linux MIPS generic version.
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Copyright (C) 2019-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <sgidefs.h>
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#define VDSO_NAME "LINUX_2.6"
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#define VDSO_HASH 61765110
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/* List of system calls which are supported as vsyscalls. */
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#define HAVE_CLOCK_GETTIME_VSYSCALL "__vdso_clock_gettime"
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#if _MIPS_SIM != _ABI64
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# define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime64"
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#endif
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#define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
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#define HAVE_CLOCK_GETRES_VSYSCALL "__vdso_clock_getres"
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#ifndef __ASSEMBLER__
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/* Standard MIPS syscalls have an error flag, and return a positive errno
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when the error flag is set. Emulate this behaviour for vsyscalls so that
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the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly. */
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#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \
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({ \
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long int _ret = funcptr (args); \
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err = ((unsigned long int) (_ret) >= (unsigned long int) -4095L); \
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if (err) \
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_ret = -_ret; \
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_ret; \
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})
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#endif /* __ASSEMBLER__ */
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