OpenBSD UBsan support / common
Summary:
Sanitizer common, enable OpenBSD platform.
- Enable common interceptors as possible and create few distinct ones.
- Create necessary sanitizer_struct types.
Patch by: David CARLIER
Reviewers: krytarowski, vitalybuka, visa, kettenis
Reviewed By: vitalybuka
Subscribers: emaste, srhines, kubamracek, mgorny, fedor.sergeev, llvm-commits, #sanitizers
Differential Revision: https://reviews.llvm.org/D43909
llvm-svn: 326650
2018-03-03 20:04:40 +08:00
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//===-- sanitizer_platform_limits_openbsd.h -------------------------------===//
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//
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2019-01-19 16:50:56 +08:00
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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OpenBSD UBsan support / common
Summary:
Sanitizer common, enable OpenBSD platform.
- Enable common interceptors as possible and create few distinct ones.
- Create necessary sanitizer_struct types.
Patch by: David CARLIER
Reviewers: krytarowski, vitalybuka, visa, kettenis
Reviewed By: vitalybuka
Subscribers: emaste, srhines, kubamracek, mgorny, fedor.sergeev, llvm-commits, #sanitizers
Differential Revision: https://reviews.llvm.org/D43909
llvm-svn: 326650
2018-03-03 20:04:40 +08:00
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of Sanitizer common code.
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//
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// Sizes and layouts of platform-specific OpenBSD data structures.
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//===----------------------------------------------------------------------===//
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#ifndef SANITIZER_PLATFORM_LIMITS_OPENBSD_H
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#define SANITIZER_PLATFORM_LIMITS_OPENBSD_H
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#if SANITIZER_OPENBSD
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#include "sanitizer_internal_defs.h"
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#include "sanitizer_platform.h"
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#define _GET_LINK_MAP_BY_DLOPEN_HANDLE(handle, shift) \
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((link_map *)((handle) == nullptr ? nullptr : ((char *)(handle) + (shift))))
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#if defined(__x86_64__)
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#define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) \
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_GET_LINK_MAP_BY_DLOPEN_HANDLE(handle, 312)
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#elif defined(__i386__)
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#define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) \
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_GET_LINK_MAP_BY_DLOPEN_HANDLE(handle, 164)
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#endif
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2018-03-06 16:24:16 +08:00
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#define RLIMIT_AS RLIMIT_DATA
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OpenBSD UBsan support / common
Summary:
Sanitizer common, enable OpenBSD platform.
- Enable common interceptors as possible and create few distinct ones.
- Create necessary sanitizer_struct types.
Patch by: David CARLIER
Reviewers: krytarowski, vitalybuka, visa, kettenis
Reviewed By: vitalybuka
Subscribers: emaste, srhines, kubamracek, mgorny, fedor.sergeev, llvm-commits, #sanitizers
Differential Revision: https://reviews.llvm.org/D43909
llvm-svn: 326650
2018-03-03 20:04:40 +08:00
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namespace __sanitizer {
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extern unsigned struct_utsname_sz;
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extern unsigned struct_stat_sz;
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extern unsigned struct_rusage_sz;
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extern unsigned siginfo_t_sz;
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extern unsigned struct_itimerval_sz;
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extern unsigned pthread_t_sz;
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extern unsigned pthread_mutex_t_sz;
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extern unsigned pthread_cond_t_sz;
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extern unsigned pid_t_sz;
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extern unsigned timeval_sz;
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extern unsigned uid_t_sz;
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extern unsigned gid_t_sz;
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extern unsigned mbstate_t_sz;
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extern unsigned struct_timezone_sz;
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extern unsigned struct_tms_sz;
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extern unsigned struct_itimerspec_sz;
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extern unsigned struct_sigevent_sz;
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extern unsigned struct_statfs_sz;
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extern unsigned struct_sockaddr_sz;
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extern unsigned struct_rlimit_sz;
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extern unsigned struct_utimbuf_sz;
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extern unsigned struct_timespec_sz;
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struct __sanitizer_iocb {
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u64 aio_offset;
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uptr aio_buf;
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long aio_nbytes;
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u32 aio_fildes;
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u32 aio_lio_opcode;
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long aio_reqprio;
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#if SANITIZER_WORDSIZE == 64
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u8 aio_sigevent[32];
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#else
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u8 aio_sigevent[20];
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#endif
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u32 _state;
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u32 _errno;
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long _retval;
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};
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struct __sanitizer___sysctl_args {
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int *name;
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int nlen;
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void *oldval;
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uptr *oldlenp;
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void *newval;
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uptr newlen;
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};
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struct __sanitizer_sem_t {
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uptr data[5];
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};
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struct __sanitizer_ipc_perm {
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u32 cuid;
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u32 cgid;
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u32 uid;
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u32 gid;
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u32 mode;
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unsigned short seq;
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long key;
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};
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struct __sanitizer_shmid_ds {
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__sanitizer_ipc_perm shm_perm;
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int shm_segsz;
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u32 shm_lpid;
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u32 shm_cpid;
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short shm_nattch;
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u64 shm_atime;
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long __shm_atimensec;
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u64 shm_dtime;
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long __shm_dtimensec;
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u64 shm_ctime;
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long __shm_ctimensec;
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void *_shm_internal;
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};
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extern unsigned struct_msqid_ds_sz;
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extern unsigned struct_mq_attr_sz;
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extern unsigned struct_timex_sz;
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extern unsigned struct_statvfs_sz;
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struct __sanitizer_iovec {
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void *iov_base;
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uptr iov_len;
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};
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struct __sanitizer_ifaddrs {
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struct __sanitizer_ifaddrs *ifa_next;
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char *ifa_name;
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unsigned int ifa_flags;
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struct __sanitizer_sockaddr *ifa_addr; // (struct sockaddr *)
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struct __sanitizer_sockaddr *ifa_netmask; // (struct sockaddr *)
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struct __sanitizer_sockaddr *ifa_dstaddr; // (struct sockaddr *)
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void *ifa_data;
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};
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typedef unsigned __sanitizer_pthread_key_t;
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typedef long long __sanitizer_time_t;
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typedef int __sanitizer_suseconds_t;
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struct __sanitizer_timeval {
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__sanitizer_time_t tv_sec;
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__sanitizer_suseconds_t tv_usec;
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};
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struct __sanitizer_itimerval {
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struct __sanitizer_timeval it_interval;
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struct __sanitizer_timeval it_value;
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};
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struct __sanitizer_passwd {
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char *pw_name;
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char *pw_passwd;
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int pw_uid;
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int pw_gid;
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__sanitizer_time_t pw_change;
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char *pw_class;
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char *pw_gecos;
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char *pw_dir;
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char *pw_shell;
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__sanitizer_time_t pw_expire;
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};
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struct __sanitizer_group {
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char *gr_name;
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char *gr_passwd;
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int gr_gid;
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char **gr_mem;
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};
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struct __sanitizer_ether_addr {
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u8 octet[6];
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};
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struct __sanitizer_tm {
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int tm_sec;
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int tm_min;
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int tm_hour;
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int tm_mday;
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int tm_mon;
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int tm_year;
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int tm_wday;
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int tm_yday;
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int tm_isdst;
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long int tm_gmtoff;
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const char *tm_zone;
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};
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struct __sanitizer_msghdr {
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void *msg_name;
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unsigned msg_namelen;
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struct __sanitizer_iovec *msg_iov;
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unsigned msg_iovlen;
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void *msg_control;
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unsigned msg_controllen;
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int msg_flags;
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};
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struct __sanitizer_cmsghdr {
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unsigned cmsg_len;
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int cmsg_level;
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int cmsg_type;
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};
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struct __sanitizer_dirent {
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u64 d_fileno;
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u64 d_off;
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u16 d_reclen;
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};
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typedef u64 __sanitizer_clock_t;
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typedef u32 __sanitizer_clockid_t;
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typedef u32 __sanitizer___kernel_uid_t;
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typedef u32 __sanitizer___kernel_gid_t;
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typedef u64 __sanitizer___kernel_off_t;
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typedef struct {
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u32 fds_bits[8];
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} __sanitizer___kernel_fd_set;
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typedef struct {
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unsigned int pta_magic;
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int pta_flags;
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void *pta_private;
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} __sanitizer_pthread_attr_t;
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typedef unsigned int __sanitizer_sigset_t;
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struct __sanitizer_siginfo {
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// The size is determined by looking at sizeof of real siginfo_t on linux.
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u64 opaque[128 / sizeof(u64)];
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};
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using __sanitizer_sighandler_ptr = void (*)(int sig);
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using __sanitizer_sigactionhandler_ptr = void (*)(int sig,
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__sanitizer_siginfo *siginfo,
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void *uctx);
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struct __sanitizer_sigaction {
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union {
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__sanitizer_sighandler_ptr handler;
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__sanitizer_sigactionhandler_ptr sigaction;
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};
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__sanitizer_sigset_t sa_mask;
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int sa_flags;
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};
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typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;
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struct __sanitizer_kernel_sigaction_t {
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union {
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void (*handler)(int signo);
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void (*sigaction)(int signo, void *info, void *ctx);
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};
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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__sanitizer_kernel_sigset_t sa_mask;
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};
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extern const uptr sig_ign;
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extern const uptr sig_dfl;
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extern const uptr sig_err;
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extern const uptr sa_siginfo;
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extern int af_inet;
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extern int af_inet6;
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uptr __sanitizer_in_addr_sz(int af);
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struct __sanitizer_dl_phdr_info {
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#if SANITIZER_WORDSIZE == 64
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u64 dlpi_addr;
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#else
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u32 dlpi_addr;
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#endif
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const char *dlpi_name;
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const void *dlpi_phdr;
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#if SANITIZER_WORDSIZE == 64
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u32 dlpi_phnum;
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#else
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u16 dlpi_phnum;
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#endif
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};
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extern unsigned struct_ElfW_Phdr_sz;
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struct __sanitizer_addrinfo {
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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unsigned ai_addrlen;
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struct __sanitizer_sockaddr *ai_addr;
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char *ai_canonname;
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struct __sanitizer_addrinfo *ai_next;
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};
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struct __sanitizer_hostent {
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char *h_name;
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char **h_aliases;
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int h_addrtype;
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int h_length;
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char **h_addr_list;
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};
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struct __sanitizer_pollfd {
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int fd;
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short events;
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short revents;
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};
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typedef unsigned __sanitizer_nfds_t;
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struct __sanitizer_glob_t {
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int gl_pathc;
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int gl_matchc;
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int gl_offs;
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int gl_flags;
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char **gl_pathv;
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void **gl_statv;
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int (*gl_errfunc)(const char *, int);
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void (*gl_closedir)(void *dirp);
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struct dirent *(*gl_readdir)(void *dirp);
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void *(*gl_opendir)(const char *);
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int (*gl_lstat)(const char *, void * /* struct stat* */);
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int (*gl_stat)(const char *, void * /* struct stat* */);
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};
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extern int glob_nomatch;
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extern int glob_altdirfunc;
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extern unsigned path_max;
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typedef char __sanitizer_FILE;
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#define SANITIZER_HAS_STRUCT_FILE 0
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extern int shmctl_ipc_stat;
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// This simplifies generic code
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#define struct_shminfo_sz -1
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#define struct_shm_info_sz -1
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#define shmctl_shm_stat -1
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#define shmctl_ipc_info -1
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#define shmctl_shm_info -1
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extern unsigned struct_utmp_sz;
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extern unsigned struct_utmpx_sz;
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extern int map_fixed;
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// ioctl arguments
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struct __sanitizer_ifconf {
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int ifc_len;
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union {
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void *ifcu_req;
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} ifc_ifcu;
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};
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extern const int si_SEGV_MAPERR;
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extern const int si_SEGV_ACCERR;
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} // namespace __sanitizer
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#define CHECK_TYPE_SIZE(TYPE) \
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COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
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#define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER) \
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COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *)NULL)->MEMBER) == \
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sizeof(((CLASS *)NULL)->MEMBER)); \
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COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) == \
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offsetof(CLASS, MEMBER))
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// For sigaction, which is a function and struct at the same time,
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// and thus requires explicit "struct" in sizeof() expression.
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#define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER) \
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COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *)NULL)->MEMBER) == \
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sizeof(((struct CLASS *)NULL)->MEMBER)); \
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COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) == \
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offsetof(struct CLASS, MEMBER))
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#define SIGACTION_SYMNAME __sigaction14
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#endif // SANITIZER_OPENBSD
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#endif
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