1 //===-- sanitizer_solaris.cc ----------------------------------------------===//
3 // This file is distributed under the University of Illinois Open Source
4 // License. See LICENSE.TXT for details.
6 //===----------------------------------------------------------------------===//
8 // This file is shared between various sanitizers' runtime libraries and
9 // implements Solaris-specific functions.
10 //===----------------------------------------------------------------------===//
12 #include "sanitizer_platform.h"
17 #include "sanitizer_common.h"
18 #include "sanitizer_flags.h"
19 #include "sanitizer_internal_defs.h"
20 #include "sanitizer_libc.h"
21 #include "sanitizer_placement_new.h"
22 #include "sanitizer_platform_limits_posix.h"
23 #include "sanitizer_procmaps.h"
32 #include <sys/resource.h>
34 #include <sys/types.h>
40 namespace __sanitizer {
42 //#include "sanitizer_syscall_generic.inc"
44 #define _REAL(func) _ ## func
45 #define DECLARE__REAL(ret_type, func, ...) \
46 extern "C" ret_type _REAL(func)(__VA_ARGS__)
47 #define DECLARE__REAL_AND_INTERNAL(ret_type, func, ...) \
48 DECLARE__REAL(ret_type, func, __VA_ARGS__); \
49 ret_type internal_ ## func(__VA_ARGS__)
51 // ---------------------- sanitizer_libc.h
52 DECLARE__REAL_AND_INTERNAL(uptr, mmap, void *addr, uptr /*size_t*/ length,
53 int prot, int flags, int fd, OFF_T offset) {
54 return (uptr)_REAL(mmap)(addr, length, prot, flags, fd, offset);
57 DECLARE__REAL_AND_INTERNAL(uptr, munmap, void *addr, uptr length) {
58 return _REAL(munmap)(addr, length);
61 DECLARE__REAL_AND_INTERNAL(int, mprotect, void *addr, uptr length, int prot) {
62 return _REAL(mprotect)(addr, length, prot);
65 DECLARE__REAL_AND_INTERNAL(uptr, close, fd_t fd) {
66 return _REAL(close)(fd);
69 extern "C" int _REAL(open)(const char *, int, ...);
71 uptr internal_open(const char *filename, int flags) {
72 return _REAL(open)(filename, flags);
75 uptr internal_open(const char *filename, int flags, u32 mode) {
76 return _REAL(open)(filename, flags, mode);
79 uptr OpenFile(const char *filename, bool write) {
80 return internal_open(filename,
81 write ? O_WRONLY | O_CREAT : O_RDONLY, 0660);
84 DECLARE__REAL_AND_INTERNAL(uptr, read, fd_t fd, void *buf, uptr count) {
85 return _REAL(read)(fd, buf, count);
88 DECLARE__REAL_AND_INTERNAL(uptr, write, fd_t fd, const void *buf, uptr count) {
89 return _REAL(write)(fd, buf, count);
92 // FIXME: There's only _ftruncate64 beginning with Solaris 11.
93 DECLARE__REAL_AND_INTERNAL(uptr, ftruncate, fd_t fd, uptr size) {
94 return ftruncate(fd, size);
97 DECLARE__REAL_AND_INTERNAL(uptr, stat, const char *path, void *buf) {
98 return _REAL(stat)(path, (struct stat *)buf);
101 DECLARE__REAL_AND_INTERNAL(uptr, lstat, const char *path, void *buf) {
102 return _REAL(lstat)(path, (struct stat *)buf);
105 DECLARE__REAL_AND_INTERNAL(uptr, fstat, fd_t fd, void *buf) {
106 return _REAL(fstat)(fd, (struct stat *)buf);
109 uptr internal_filesize(fd_t fd) {
111 if (internal_fstat(fd, &st))
113 return (uptr)st.st_size;
116 DECLARE__REAL_AND_INTERNAL(uptr, dup2, int oldfd, int newfd) {
117 return _REAL(dup2)(oldfd, newfd);
120 DECLARE__REAL_AND_INTERNAL(uptr, readlink, const char *path, char *buf,
122 return _REAL(readlink)(path, buf, bufsize);
125 DECLARE__REAL_AND_INTERNAL(uptr, unlink, const char *path) {
126 return _REAL(unlink)(path);
129 DECLARE__REAL_AND_INTERNAL(uptr, rename, const char *oldpath,
130 const char *newpath) {
131 return _REAL(rename)(oldpath, newpath);
134 DECLARE__REAL_AND_INTERNAL(uptr, sched_yield, void) {
135 return sched_yield();
138 DECLARE__REAL_AND_INTERNAL(void, _exit, int exitcode) {
142 DECLARE__REAL_AND_INTERNAL(uptr, execve, const char *filename,
143 char *const argv[], char *const envp[]) {
144 return _REAL(execve)(filename, argv, envp);
147 DECLARE__REAL_AND_INTERNAL(uptr, waitpid, int pid, int *status, int options) {
148 return _REAL(waitpid)(pid, status, options);
151 DECLARE__REAL_AND_INTERNAL(uptr, getpid, void) {
152 return _REAL(getpid)();
155 // FIXME: This might be wrong: _getdents doesn't take a struct linux_dirent *.
156 DECLARE__REAL_AND_INTERNAL(uptr, getdents, fd_t fd, struct linux_dirent *dirp,
157 unsigned int count) {
158 return _REAL(getdents)(fd, dirp, count);
161 DECLARE__REAL_AND_INTERNAL(uptr, lseek, fd_t fd, OFF_T offset, int whence) {
162 return _REAL(lseek)(fd, offset, whence);
165 // FIXME: This might be wrong: _sigfillset doesn't take a
166 // __sanitizer_sigset_t *.
167 DECLARE__REAL_AND_INTERNAL(void, sigfillset, __sanitizer_sigset_t *set) {
168 _REAL(sigfillset)(set);
171 // FIXME: This might be wrong: _sigprocmask doesn't take __sanitizer_sigset_t *.
172 DECLARE__REAL_AND_INTERNAL(uptr, sigprocmask, int how,
173 __sanitizer_sigset_t *set,
174 __sanitizer_sigset_t *oldset) {
175 return _REAL(sigprocmask)(how, set, oldset);
178 DECLARE__REAL_AND_INTERNAL(int, fork, void) {
179 // TODO(glider): this may call user's pthread_atfork() handlers which is bad.
180 return _REAL(fork)();
187 uptr internal_clock_gettime(__sanitizer_clockid_t clk_id, void *tp) {
188 // FIXME: No internal variant.
189 return clock_gettime(clk_id, (timespec *)tp);
192 // ----------------- sanitizer_common.h
193 BlockingMutex::BlockingMutex() {
194 CHECK(sizeof(mutex_t) <= sizeof(opaque_storage_));
195 internal_memset(this, 0, sizeof(*this));
196 CHECK_EQ(mutex_init((mutex_t *)&opaque_storage_, USYNC_THREAD, NULL), 0);
199 void BlockingMutex::Lock() {
200 CHECK(sizeof(mutex_t) <= sizeof(opaque_storage_));
201 CHECK_NE(owner_, (uptr)thr_self());
202 CHECK_EQ(mutex_lock((mutex_t *)&opaque_storage_), 0);
204 owner_ = (uptr)thr_self();
207 void BlockingMutex::Unlock() {
208 CHECK(owner_ == (uptr)thr_self());
210 CHECK_EQ(mutex_unlock((mutex_t *)&opaque_storage_), 0);
213 void BlockingMutex::CheckLocked() {
214 CHECK_EQ((uptr)thr_self(), owner_);
217 } // namespace __sanitizer
219 #endif // SANITIZER_SOLARIS