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//===------------ inline implementation of x86_64 syscalls --------------*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
%%begin()
#include "src/__support/common.h"
#define SYSCALL_CLOBBER_LIST "rcx", "r11", "memory"
namespace __llvm_libc {
inline long syscall(long __number) {
long retcode;
LIBC_INLINE_ASM("syscall" :
"=a"(retcode) :
"a"(__number) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(long __number, long __arg1) {
long retcode;
LIBC_INLINE_ASM("syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(long __number, long __arg1, long __arg2) {
long retcode;
LIBC_INLINE_ASM("syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1), "S"(__arg2) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(long __number, long __arg1, long __arg2, long __arg3) {
long retcode;
LIBC_INLINE_ASM("syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1), "S"(__arg2), "d"(__arg3) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(
long __number, long __arg1, long __arg2, long __arg3, long __arg4) {
long retcode;
register long r10 __asm__("r10") = __arg4;
LIBC_INLINE_ASM("syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1), "S"(__arg2), "d"(__arg3), "r"(r10) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(long __number, long __arg1, long __arg2, long __arg3,
long __arg4, long __arg5) {
long retcode;
register long r10 __asm__("r10") = __arg4;
register long r8 __asm__("r8") = __arg5;
LIBC_INLINE_ASM(
"syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1), "S"(__arg2), "d"(__arg3), "r"(r10), "r"(r8) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
inline long syscall(long __number, long __arg1, long __arg2, long __arg3,
long __arg4, long __arg5, long __arg6) {
long retcode;
register long r10 __asm__("r10") = __arg4;
register long r8 __asm__("r8") = __arg5;
register long r9 __asm__("r9") = __arg6;
LIBC_INLINE_ASM(
"syscall" :
"=a"(retcode) :
"a"(__number), "D"(__arg1), "S"(__arg2), "d"(__arg3), "r"(r10), "r"(r8), "r"(r9) :
SYSCALL_CLOBBER_LIST);
return retcode;
}
#undef SYSCALL_CLOBBER_LIST
} // namespace __llvm_libc
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