blob: cb98a95db9813c69b5e8d8009de67e8622b074b8 [file] [log] [blame]
/*
* Raw syscalls.
*
* Copyright (c) 2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef STRACE_RAW_SYSCALL_H
#define STRACE_RAW_SYSCALL_H
# include "kernel_types.h"
static inline kernel_ulong_t
raw_syscall_0(const kernel_ulong_t nr, kernel_ulong_t *err)
{
register kernel_ulong_t r15 __asm__("r15") = nr;
register kernel_ulong_t r8 __asm__("r8");
register kernel_ulong_t r10 __asm__("r10");
__asm__ __volatile__("break 0x100000"
: "=r"(r8), "=r"(r10), "+r"(r15)
:
: "memory", "out0", "out1", "out2",
"out3", "out4", "out5", "out6", "out7",
"r2", "r3", "r9", "r11", "r12", "r13",
"r14", "r16", "r17", "r18", "r19", "r20",
"r21", "r22", "r23", "r24", "r25", "r26",
"r27", "r28", "r29", "r30", "r31",
"p6", "p7", "p8", "p9", "p10",
"p11", "p12", "p13", "p14", "p15",
"f6", "f7", "f8", "f9", "f10",
"f11", "f12", "f13", "f14", "f15",
"f5", "f6", "f7", "f8", "f9", "f10", "f11",
"b6", "b7");
*err = !!r10;
return r8;
}
# define raw_syscall_0 raw_syscall_0
#endif /* !STRACE_RAW_SYSCALL_H */