| //===-- sanitizer_platform_limits_posix.cc --------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of Sanitizer common code. |
| // |
| // Sizes and layouts of platform-specific POSIX data structures. |
| //===----------------------------------------------------------------------===// |
| |
| |
| #include "sanitizer_platform.h" |
| #if SANITIZER_LINUX || SANITIZER_MAC |
| |
| #include "sanitizer_internal_defs.h" |
| #include "sanitizer_platform_limits_posix.h" |
| |
| #include <arpa/inet.h> |
| #include <dirent.h> |
| #include <grp.h> |
| #include <pthread.h> |
| #include <pwd.h> |
| #include <signal.h> |
| #include <sys/utsname.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <sys/resource.h> |
| #include <sys/socket.h> |
| #include <time.h> |
| |
| #if !SANITIZER_ANDROID |
| #include <sys/ucontext.h> |
| #endif // !SANITIZER_ANDROID |
| |
| #if SANITIZER_LINUX |
| #include <sys/vfs.h> |
| #include <sys/epoll.h> |
| #endif // SANITIZER_LINUX |
| |
| namespace __sanitizer { |
| unsigned struct_utsname_sz = sizeof(struct utsname); |
| unsigned struct_stat_sz = sizeof(struct stat); |
| unsigned struct_stat64_sz = sizeof(struct stat64); |
| unsigned struct_rusage_sz = sizeof(struct rusage); |
| unsigned struct_tm_sz = sizeof(struct tm); |
| unsigned struct_passwd_sz = sizeof(struct passwd); |
| unsigned struct_group_sz = sizeof(struct group); |
| unsigned siginfo_t_sz = sizeof(siginfo_t); |
| unsigned struct_sigaction_sz = sizeof(struct sigaction); |
| unsigned struct_itimerval_sz = sizeof(struct itimerval); |
| unsigned pthread_t_sz = sizeof(pthread_t); |
| |
| #if !SANITIZER_ANDROID |
| unsigned ucontext_t_sz = sizeof(ucontext_t); |
| #endif // !SANITIZER_ANDROID |
| |
| #if SANITIZER_LINUX |
| unsigned struct_rlimit_sz = sizeof(struct rlimit); |
| unsigned struct_dirent_sz = sizeof(struct dirent); |
| unsigned struct_statfs_sz = sizeof(struct statfs); |
| unsigned struct_epoll_event_sz = sizeof(struct epoll_event); |
| unsigned struct_timespec_sz = sizeof(struct timespec); |
| #endif // SANITIZER_LINUX |
| |
| #if SANITIZER_LINUX && !SANITIZER_ANDROID |
| unsigned struct_dirent64_sz = sizeof(struct dirent64); |
| unsigned struct_rlimit64_sz = sizeof(struct rlimit64); |
| unsigned struct_statfs64_sz = sizeof(struct statfs64); |
| #endif // SANITIZER_LINUX && !SANITIZER_ANDROID |
| |
| uptr sig_ign = (uptr)SIG_IGN; |
| uptr sig_dfl = (uptr)SIG_DFL; |
| |
| void* __sanitizer_get_msghdr_iov_iov_base(void* msg, int idx) { |
| return ((struct msghdr *)msg)->msg_iov[idx].iov_base; |
| } |
| |
| uptr __sanitizer_get_msghdr_iov_iov_len(void* msg, int idx) { |
| return ((struct msghdr *)msg)->msg_iov[idx].iov_len; |
| } |
| |
| uptr __sanitizer_get_msghdr_iovlen(void* msg) { |
| return ((struct msghdr *)msg)->msg_iovlen; |
| } |
| |
| uptr __sanitizer_get_socklen_t(void* socklen_ptr) { |
| return *(socklen_t*)socklen_ptr; |
| } |
| |
| uptr __sanitizer_get_sigaction_sa_sigaction(void *act) { |
| struct sigaction *a = (struct sigaction *)act; |
| // Check that sa_sigaction and sa_handler are the same. |
| CHECK((void *)&(a->sa_sigaction) == (void *)&(a->sa_handler)); |
| return (uptr) a->sa_sigaction; |
| } |
| void __sanitizer_set_sigaction_sa_sigaction(void *act, uptr cb) { |
| struct sigaction *a = (struct sigaction *)act; |
| a->sa_sigaction = (void (*)(int, siginfo_t *, void *))cb; |
| } |
| bool __sanitizer_get_sigaction_sa_siginfo(void *act) { |
| struct sigaction *a = (struct sigaction *)act; |
| return a->sa_flags & SA_SIGINFO; |
| } |
| |
| uptr __sanitizer_in_addr_sz(int af) { |
| if (af == AF_INET) |
| return sizeof(struct in_addr); |
| else if (af == AF_INET6) |
| return sizeof(struct in6_addr); |
| else |
| return 0; |
| } |
| } // namespace __sanitizer |
| |
| COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t)); |
| COMPILER_CHECK(sizeof(__sanitizer::struct_sigaction_max_sz) >= |
| sizeof(__sanitizer::struct_sigaction_sz)); |
| #endif // SANITIZER_LINUX || SANITIZER_MAC |