diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/sysdep.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h index 5a62cce467..d023d68174 100644 --- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h +++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2015 Free Software Foundation, Inc. +/* Copyright (C) 2001-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,6 +19,7 @@ #define _LINUX_X86_64_SYSDEP_H 1 /* There is some commonality. */ +#include <sysdeps/unix/sysv/linux/sysdep.h> #include <sysdeps/unix/x86_64/sysdep.h> #include <tls.h> @@ -217,6 +218,9 @@ # undef INTERNAL_SYSCALL_DECL # define INTERNAL_SYSCALL_DECL(err) do { } while (0) +/* Registers clobbered by syscall. */ +# define REGISTERS_CLOBBERED_BY_SYSCALL "cc", "r11", "cx" + # define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ ({ \ unsigned long int resultvar; \ @@ -225,7 +229,7 @@ asm volatile ( \ "syscall\n\t" \ : "=a" (resultvar) \ - : "0" (name) ASM_ARGS_##nr : "memory", "cc", "r11", "cx"); \ + : "0" (name) ASM_ARGS_##nr : "memory", REGISTERS_CLOBBERED_BY_SYSCALL); \ (long int) resultvar; }) # undef INTERNAL_SYSCALL # define INTERNAL_SYSCALL(name, err, nr, args...) \ @@ -239,7 +243,7 @@ asm volatile ( \ "syscall\n\t" \ : "=a" (resultvar) \ - : "0" (name) ASM_ARGS_##nr : "memory", "cc", "r11", "cx"); \ + : "0" (name) ASM_ARGS_##nr : "memory", REGISTERS_CLOBBERED_BY_SYSCALL); \ (long int) resultvar; }) # undef INTERNAL_SYSCALL_TYPES # define INTERNAL_SYSCALL_TYPES(name, err, nr, args...) \ |