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comparison libsanitizer/sanitizer_common/sanitizer_syscall_generic.inc @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
comparison
equal deleted inserted replaced
131:84e7813d76e9 145:1830386684a0
1 //===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===// 1 //===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===//
2 // 2 //
3 // This file is distributed under the University of Illinois Open Source 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // License. See LICENSE.TXT for details. 4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5 // 6 //
6 //===----------------------------------------------------------------------===// 7 //===----------------------------------------------------------------------===//
7 // 8 //
8 // Generic implementations of internal_syscall* and internal_iserror. 9 // Generic implementations of internal_syscall* and internal_iserror.
9 // 10 //
10 //===----------------------------------------------------------------------===// 11 //===----------------------------------------------------------------------===//
11 12
12 #if SANITIZER_FREEBSD || SANITIZER_MAC || SANITIZER_NETBSD 13 // NetBSD uses libc calls directly
14 #if !SANITIZER_NETBSD
15
16 #if SANITIZER_FREEBSD || SANITIZER_MAC || SANITIZER_OPENBSD || SANITIZER_SOLARIS
13 # define SYSCALL(name) SYS_ ## name 17 # define SYSCALL(name) SYS_ ## name
14 #else 18 #else
15 # define SYSCALL(name) __NR_ ## name 19 # define SYSCALL(name) __NR_ ## name
16 #endif 20 #endif
17 21
18 #if SANITIZER_NETBSD 22 #if defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_MAC)
19 // We use 3 kinds of internal_syscall's for different types of retval in order
20 // to address differences in calling conventions (e.g. registers to place the
21 // return value in).
22 // - internal_syscall for 32-bit length (int, pid_t)
23 // - internal_syscall64 for 64-bit length (off_t)
24 // - internal_syscall_ptr for pointer and (s)size_t
25 # define internal_syscall syscall
26 # define internal_syscall64 __syscall
27 // Handle syscall renames manually
28 # define SYS_stat SYS___stat50
29 # define SYS_lstat SYS___lstat50
30 # define SYS_fstat SYS___fstat50
31 # define SYS_gettimeofday SYS___gettimeofday50
32 # define SYS_wait4 SYS___wait450
33 # define SYS_getdents SYS___getdents30
34 # define SYS_sigaltstack SYS___sigaltstack14
35 # define SYS_sigprocmask SYS___sigprocmask14
36 # define SYS_nanosleep SYS___nanosleep50
37 # if SANITIZER_WORDSIZE == 64
38 # define internal_syscall_ptr __syscall
39 # else
40 # define internal_syscall_ptr syscall
41 # endif
42 #elif defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_MAC)
43 # define internal_syscall __syscall 23 # define internal_syscall __syscall
44 # else 24 # else
45 # define internal_syscall syscall 25 # define internal_syscall syscall
26 #endif
27
46 #endif 28 #endif
47 29
48 bool internal_iserror(uptr retval, int *rverrno) { 30 bool internal_iserror(uptr retval, int *rverrno) {
49 if (retval == (uptr)-1) { 31 if (retval == (uptr)-1) {
50 if (rverrno) 32 if (rverrno)