Dmitry V. Levin
dcfb3c0d47
Unfortunately, syscall(3) provided by libc is too smart for some of our needs. * linux/raw_syscall.h: New file. * linux/aarch64/raw_syscall.h: Likewise. * linux/alpha/raw_syscall.h: Likewise. * linux/arc/raw_syscall.h: Likewise. * linux/arm/raw_syscall.h: Likewise. * linux/avr32/raw_syscall.h: Likewise. * linux/bfin/raw_syscall.h: Likewise. * linux/hppa/raw_syscall.h: Likewise. * linux/i386/raw_syscall.h: Likewise. * linux/ia64/raw_syscall.h: Likewise. * linux/m68k/raw_syscall.h: Likewise. * linux/metag/raw_syscall.h: Likewise. * linux/microblaze/raw_syscall.h: Likewise. * linux/mips/raw_syscall.h: Likewise. * linux/nios2/raw_syscall.h: Likewise. * linux/or1k/raw_syscall.h: Likewise. * linux/powerpc/raw_syscall.h: Likewise. * linux/powerpc64/raw_syscall.h: Likewise. * linux/riscv/raw_syscall.h: Likewise. * linux/s390/raw_syscall.h: Likewise. * linux/s390x/raw_syscall.h: Likewise. * linux/sh/raw_syscall.h: Likewise. * linux/sh64/raw_syscall.h: Likewise. * linux/sparc/raw_syscall.h: Likewise. * linux/sparc64/raw_syscall.h: Likewise. * linux/tile/raw_syscall.h: Likewise. * linux/x32/raw_syscall.h: Likewise. * linux/x86_64/raw_syscall.h: Likewise. * linux/xtensa/raw_syscall.h: Likewise. * Makefile.am (EXTRA_DIST): Add them.
61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/*
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* Raw syscalls.
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*
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* Copyright (c) 2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STRACE_RAW_SYSCALL_H
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#define STRACE_RAW_SYSCALL_H
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# include "kernel_types.h"
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static inline kernel_ulong_t
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raw_syscall_0(const kernel_ulong_t nr, kernel_ulong_t *err)
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{
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register kernel_ulong_t g1 __asm__("g1") = nr;
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register kernel_ulong_t rval __asm__("o0");
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__asm__ __volatile__("ta 0x6d\n\t"
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"bcc,pt %%xcc, 1f\n\t"
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"mov 0, %0\n\t"
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"mov 1, %0\n\t"
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"1:"
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: "+r"(g1), "=r"(rval)
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:
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: "memory", "cc", "f0", "f1", "f2", "f3", "f4",
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"f5", "f6", "f7", "f8", "f9", "f10", "f11",
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"f12", "f13", "f14", "f15", "f16", "f17",
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"f18", "f19", "f20", "f21", "f22", "f23",
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"f24", "f25", "f26", "f27", "f28", "f29",
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"f30", "f31", "f32", "f34", "f36", "f38",
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"f40", "f42", "f44", "f46", "f48", "f50",
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"f52", "f54", "f56", "f58", "f60", "f62");
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*err = g1;
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return rval;
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}
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# define raw_syscall_0 raw_syscall_0
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#endif /* !STRACE_RAW_SYSCALL_H */
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