forked from OSchip/llvm-project
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
//===-- sanitizer_platform_limits_linux.cpp -------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of Sanitizer common code.
|
|
//
|
|
// Sizes and layouts of linux kernel data structures.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// This is a separate compilation unit for linux headers that conflict with
|
|
// userspace headers.
|
|
// Most "normal" includes go in sanitizer_platform_limits_posix.cpp
|
|
|
|
#include "sanitizer_platform.h"
|
|
#if SANITIZER_LINUX
|
|
|
|
#include "sanitizer_internal_defs.h"
|
|
#include "sanitizer_platform_limits_posix.h"
|
|
|
|
// For offsetof -> __builtin_offsetof definition.
|
|
#include <stddef.h>
|
|
|
|
// With old kernels (and even new kernels on powerpc) asm/stat.h uses types that
|
|
// are not defined anywhere in userspace headers. Fake them. This seems to work
|
|
// fine with newer headers, too.
|
|
#include <linux/posix_types.h>
|
|
# if defined(__x86_64__) || defined(__mips__) || defined(__hexagon__)
|
|
# include <sys/stat.h>
|
|
# else
|
|
# define ino_t __kernel_ino_t
|
|
# define mode_t __kernel_mode_t
|
|
# define nlink_t __kernel_nlink_t
|
|
# define uid_t __kernel_uid_t
|
|
# define gid_t __kernel_gid_t
|
|
# define off_t __kernel_off_t
|
|
# define time_t __kernel_time_t
|
|
// This header seems to contain the definitions of _kernel_ stat* structs.
|
|
# include <asm/stat.h>
|
|
# undef ino_t
|
|
# undef mode_t
|
|
# undef nlink_t
|
|
# undef uid_t
|
|
# undef gid_t
|
|
# undef off_t
|
|
# endif
|
|
|
|
# include <linux/aio_abi.h>
|
|
|
|
# if !SANITIZER_ANDROID
|
|
# include <sys/statfs.h>
|
|
# include <linux/perf_event.h>
|
|
# endif
|
|
|
|
using namespace __sanitizer;
|
|
|
|
namespace __sanitizer {
|
|
#if !SANITIZER_ANDROID
|
|
unsigned struct_statfs64_sz = sizeof(struct statfs64);
|
|
#endif
|
|
} // namespace __sanitizer
|
|
|
|
# if !defined(__powerpc64__) && !defined(__x86_64__) && \
|
|
!defined(__aarch64__) && !defined(__mips__) && !defined(__s390__) && \
|
|
!defined(__sparc__) && !defined(__riscv) && !defined(__hexagon__)
|
|
COMPILER_CHECK(struct___old_kernel_stat_sz == sizeof(struct __old_kernel_stat));
|
|
#endif
|
|
|
|
COMPILER_CHECK(struct_kernel_stat_sz == sizeof(struct stat));
|
|
|
|
#if defined(__i386__)
|
|
COMPILER_CHECK(struct_kernel_stat64_sz == sizeof(struct stat64));
|
|
#endif
|
|
|
|
CHECK_TYPE_SIZE(io_event);
|
|
CHECK_SIZE_AND_OFFSET(io_event, data);
|
|
CHECK_SIZE_AND_OFFSET(io_event, obj);
|
|
CHECK_SIZE_AND_OFFSET(io_event, res);
|
|
CHECK_SIZE_AND_OFFSET(io_event, res2);
|
|
|
|
#if !SANITIZER_ANDROID
|
|
COMPILER_CHECK(sizeof(struct __sanitizer_perf_event_attr) <=
|
|
sizeof(struct perf_event_attr));
|
|
CHECK_SIZE_AND_OFFSET(perf_event_attr, type);
|
|
CHECK_SIZE_AND_OFFSET(perf_event_attr, size);
|
|
#endif
|
|
|
|
COMPILER_CHECK(iocb_cmd_pread == IOCB_CMD_PREAD);
|
|
COMPILER_CHECK(iocb_cmd_pwrite == IOCB_CMD_PWRITE);
|
|
#if !SANITIZER_ANDROID
|
|
COMPILER_CHECK(iocb_cmd_preadv == IOCB_CMD_PREADV);
|
|
COMPILER_CHECK(iocb_cmd_pwritev == IOCB_CMD_PWRITEV);
|
|
#endif
|
|
|
|
CHECK_TYPE_SIZE(iocb);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_data);
|
|
// Skip aio_key, it's weird.
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_lio_opcode);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_reqprio);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_fildes);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_buf);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_nbytes);
|
|
CHECK_SIZE_AND_OFFSET(iocb, aio_offset);
|
|
|
|
#endif // SANITIZER_LINUX
|