1 /* Copyright (C) 1991-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <sysdeps/unix/sysdep.h> 19 #include <sysdeps/x86_64/sysdep.h> 20 21 #ifdef __ASSEMBLER__ 22 23 /* This is defined as a separate macro so that other sysdep.h files 24 can include this one and then redefine DO_CALL. */ 25 26 #define DO_CALL(syscall_name, args) \ 27 lea SYS_ify (syscall_name), %rax; \ 28 syscall 29 30 #define r0 %rax /* Normal return-value register. */ 31 #define r1 %rbx /* Secondary return-value register. */ 32 #define MOVE(x,y) movq x, y 33 34 #endif /* __ASSEMBLER__ */ 35