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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/bz12683] x32: Fix Race conditions in pthread cancellation [BZ#12683] Date: Fri, 7 Apr 2023 17:07:20 +0000 (GMT) [thread overview] Message-ID: <20230407170720.98E823858C31@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8ed60673e1abeb2f2d206b3b5a15d00f7df1fa3 commit b8ed60673e1abeb2f2d206b3b5a15d00f7df1fa3 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Sat May 9 14:20:26 2015 -0300 x32: Fix Race conditions in pthread cancellation [BZ#12683] By adding a x86_64-x32 __SSC macro. Checked on x86_64-linux-gnu-x32. Diff: --- sysdeps/unix/sysv/linux/x86_64/x32/syscall_types.h | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _SYSCALL_TYPES_H +#define _SYSCALL_TYPES_H + +#include <libc-diag.h> + +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
next reply other threads:[~2023-04-07 17:07 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-04-07 17:07 Adhemerval Zanella [this message] 2023-04-11 14:18 Adhemerval Zanella
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