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84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
/* Syscall definitions, Linux s390 version.
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Copyright (C) 2019-2024 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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#ifndef __ASSEMBLY__
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#undef SYS_ify
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#define SYS_ify(syscall_name) __NR_##syscall_name
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#undef INTERNAL_SYSCALL_NCS
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#define INTERNAL_SYSCALL_NCS(no, nr, args...) \
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({ \
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DECLARGS_##nr(args) \
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register unsigned long int _nr __asm__("1") = (unsigned long int)(no); \
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register long int _ret __asm__("2"); \
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__asm__ __volatile__ ( \
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"svc 0\n\t" \
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: "=d" (_ret) \
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: "d" (_nr) ASMFMT_##nr \
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: "memory" ); \
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_ret; })
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#undef INTERNAL_SYSCALL
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#define INTERNAL_SYSCALL(name, nr, args...) \
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INTERNAL_SYSCALL_NCS(__NR_##name, nr, args)
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#define DECLARGS_0()
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#define DECLARGS_1(arg1) \
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register unsigned long int gpr2 __asm__ ("2") = (unsigned long int)(arg1);
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#define DECLARGS_2(arg1, arg2) \
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DECLARGS_1(arg1) \
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register unsigned long int gpr3 __asm__ ("3") = (unsigned long int)(arg2);
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#define DECLARGS_3(arg1, arg2, arg3) \
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DECLARGS_2(arg1, arg2) \
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register unsigned long int gpr4 __asm__ ("4") = (unsigned long int)(arg3);
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#define DECLARGS_4(arg1, arg2, arg3, arg4) \
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DECLARGS_3(arg1, arg2, arg3) \
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register unsigned long int gpr5 __asm__ ("5") = (unsigned long int)(arg4);
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#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
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DECLARGS_4(arg1, arg2, arg3, arg4) \
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register unsigned long int gpr6 __asm__ ("6") = (unsigned long int)(arg5);
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#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
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DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
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register unsigned long int gpr7 __asm__ ("7") = (unsigned long int)(arg6);
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#define ASMFMT_0
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#define ASMFMT_1 , "0" (gpr2)
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#define ASMFMT_2 , "0" (gpr2), "d" (gpr3)
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#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4)
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#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
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#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
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#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
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#define VDSO_NAME "LINUX_2.6.29"
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#define VDSO_HASH 123718585
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/* List of system calls which are supported as vsyscalls. */
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#ifdef __s390x__
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#define HAVE_CLOCK_GETRES64_VSYSCALL "__kernel_clock_getres"
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#define HAVE_CLOCK_GETTIME64_VSYSCALL "__kernel_clock_gettime"
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#else
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#define HAVE_CLOCK_GETRES_VSYSCALL "__kernel_clock_getres"
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#define HAVE_CLOCK_GETTIME_VSYSCALL "__kernel_clock_gettime"
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#endif
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#define HAVE_GETTIMEOFDAY_VSYSCALL "__kernel_gettimeofday"
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#define HAVE_GETCPU_VSYSCALL "__kernel_getcpu"
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#define HAVE_CLONE3_WRAPPER 1
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#endif
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