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