From 2139a68f2a0d63b53865779a4d005f1f1aa150a8 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Sat, 9 May 2015 14:20:26 -0300 Subject: x32: Fix Race conditions in pthread cancellation [BZ#12683] By adding a x86_64-x32 __SSC macro. Checked on x86_64-linux-gnu-x32. --- sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h b/sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h new file mode 100644 index 0000000000..ac2019751d --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h @@ -0,0 +1,34 @@ +/* Types and macros used for syscall issuing. x86_64/x32 version. + Copyright (C) 2023 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _SYSCALL_TYPES_H +#define _SYSCALL_TYPES_H + +#include + +typedef long long int __syscall_arg_t; + +/* Syscall arguments for x32 follows x86_64 ABI, however pointers are 32 bits + should be zero extended. */ +#define __SSC(__x) \ + ({ \ + TYPEFY (__x, __tmp) = ARGIFY (__x); \ + (__syscall_arg_t) __tmp; \ + }) + +#endif -- cgit v1.2.1