ARM sys defines (339ae3bd) · Commits · hpc / gekkofs

src/client/hooks.cpp

+10 −5

Original line number	Diff line number	Diff line
		@@ -105,7 +105,7 @@ hook_close(int fd) {

		return syscall_no_intercept_wrapper(SYS_close, fd);
		}

		#ifdef SYS_stat
		int
		hook_stat(const char* path, struct stat* buf) {

		@@ -119,6 +119,7 @@ hook_stat(const char* path, struct stat* buf) {

		return syscall_no_intercept_wrapper(SYS_stat, rel_path.c_str(), buf);
		}
		#endif

		#ifdef STATX_TYPE

		@@ -158,6 +159,7 @@ hook_statx(int dirfd, const char* path, int flags, unsigned int mask,

		#endif

		#ifdef SYS_lstat
		int
		hook_lstat(const char* path, struct stat* buf) {

		@@ -170,6 +172,7 @@ hook_lstat(const char* path, struct stat* buf) {
		}
		return syscall_no_intercept_wrapper(SYS_lstat, rel_path.c_str(), buf);
		}
		#endif

		int
		hook_fstat(unsigned int fd, struct stat* buf) {
		@@ -414,6 +417,7 @@ hook_flock(unsigned long fd, int flags) {
		return -EBADF;
		}

		#ifdef SYS_access
		int
		hook_access(const char* path, int mask) {

		@@ -429,6 +433,7 @@ hook_access(const char* path, int mask) {
		}
		return syscall_no_intercept_wrapper(SYS_access, rel_path.c_str(), mask);
		}
		#endif

		int
		hook_faccessat(int dirfd, const char* cpath, int mode) {
		@@ -547,7 +552,7 @@ hook_dup(unsigned int fd) {
		}
		return syscall_no_intercept_wrapper(SYS_dup, fd);
		}

		#ifdef SYS_dup2
		int
		hook_dup2(unsigned int oldfd, unsigned int newfd) {

		@@ -558,7 +563,7 @@ hook_dup2(unsigned int oldfd, unsigned int newfd) {
		}
		return syscall_no_intercept_wrapper(SYS_dup2, oldfd, newfd);
		}

		#endif
		int
		hook_dup3(unsigned int oldfd, unsigned int newfd, int flags) {

		@@ -573,7 +578,7 @@ hook_dup3(unsigned int oldfd, unsigned int newfd, int flags) {
		}
		return syscall_no_intercept_wrapper(SYS_dup3, oldfd, newfd, flags);
		}

		#ifdef SYS_getdents
		int
		hook_getdents(unsigned int fd, struct linux_dirent* dirp, unsigned int count) {

		@@ -585,7 +590,7 @@ hook_getdents(unsigned int fd, struct linux_dirent* dirp, unsigned int count) {
		}
		return syscall_no_intercept_wrapper(SYS_getdents, fd, dirp, count);
		}

		#endif

		int
		hook_getdents64(unsigned int fd, struct linux_dirent64* dirp,

src/client/intercept.cpp

+46 −42

Original line number	Diff line number	Diff line
		@@ -90,7 +90,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		syscall_number, args);

		switch(syscall_number) {

		#ifdef SYS_open
		case SYS_open:
		*result = syscall_no_intercept_wrapper(
		syscall_number, reinterpret_cast<char*>(arg0),
		@@ -101,7 +101,8 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#endif
		#ifdef SYS_creat
		case SYS_creat:
		*result = syscall_no_intercept_wrapper(
		syscall_number, reinterpret_cast<const char*>(arg0),
		@@ -111,7 +112,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#endif
		case SYS_openat:
		*result = syscall_no_intercept_wrapper(
		syscall_number, static_cast<int>(arg0),
		@@ -121,7 +122,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#ifdef SYS_epoll_create
		case SYS_epoll_create:
		*result = syscall_no_intercept_wrapper(syscall_number,
		static_cast<int>(arg0));
		@@ -130,7 +131,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#endif
		case SYS_epoll_create1:
		*result = syscall_no_intercept_wrapper(syscall_number,
		static_cast<int>(arg0));
		@@ -147,7 +148,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#ifdef SYS_dup2
		case SYS_dup2:
		*result = syscall_no_intercept_wrapper(
		syscall_number, static_cast<unsigned int>(arg0),
		@@ -156,7 +157,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#endif
		case SYS_dup3:
		*result = syscall_no_intercept_wrapper(
		syscall_number, static_cast<unsigned int>(arg0),
		@@ -166,7 +167,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#ifdef SYS_inotify_init
		case SYS_inotify_init:
		*result = syscall_no_intercept_wrapper(syscall_number);

		@@ -175,7 +176,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#endif
		case SYS_inotify_init1:
		*result = syscall_no_intercept_wrapper(syscall_number,
		static_cast<int>(arg0));
		@@ -197,7 +198,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#ifdef SYS_signalfd
		case SYS_signalfd:
		*result = syscall_no_intercept_wrapper(
		syscall_number, static_cast<int>(arg0),
		@@ -207,7 +208,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#endif
		case SYS_signalfd4:
		*result = syscall_no_intercept_wrapper(
		syscall_number, static_cast<int>(arg0),
		@@ -255,7 +256,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#ifdef SYS_pipe
		case SYS_pipe:
		*result = syscall_no_intercept_wrapper(
		syscall_number, reinterpret_cast<int*>(arg0));
		@@ -268,7 +269,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#endif
		case SYS_pipe2:

		*result = syscall_no_intercept_wrapper(syscall_number,
		@@ -282,7 +283,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		}

		break;

		#ifdef SYS_eventfd
		case SYS_eventfd:

		*result = syscall_no_intercept_wrapper(syscall_number,
		@@ -292,7 +293,7 @@ hook_internal(long syscall_number, long arg0, long arg1, long arg2, long arg3,
		result = CTX->register_internal_fd(result);
		}
		break;

		#endif
		case SYS_eventfd2:

		*result = syscall_no_intercept_wrapper(syscall_number,
		@@ -444,19 +445,20 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		reinterpret_cast<const char* const*>(arg3), arg4);
		break;
		#endif

		#ifdef SYS_open
		case SYS_open:
		*result = gkfs::hook::hook_openat(
		AT_FDCWD, reinterpret_cast<char*>(arg0),
		static_cast<int>(arg1), static_cast<mode_t>(arg2));
		break;

		#endif
		#ifdef SYS_creat
		case SYS_creat:
		*result = gkfs::hook::hook_openat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0),
		O_WRONLY \| O_CREAT \| O_TRUNC, static_cast<mode_t>(arg1));
		break;

		#endif
		case SYS_openat:
		*result = gkfs::hook::hook_openat(
		static_cast<int>(arg0), reinterpret_cast<const char*>(arg1),
		@@ -466,13 +468,13 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		case SYS_close:
		*result = gkfs::hook::hook_close(static_cast<int>(arg0));
		break;

		#ifdef SYS_stat
		case SYS_stat:
		*result =
		gkfs::hook::hook_stat(reinterpret_cast<char*>(arg0),
		reinterpret_cast<struct stat*>(arg1));
		break;

		#endif
		#ifdef STATX_TYPE
		case SYS_statx:
		*result = gkfs::hook::hook_statx(
		@@ -481,13 +483,13 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		reinterpret_cast<struct statx*>(arg4));
		break;
		#endif

		#ifdef SYS_lstat
		case SYS_lstat:
		*result = gkfs::hook::hook_lstat(
		reinterpret_cast<char*>(arg0),
		reinterpret_cast<struct stat*>(arg1));
		break;

		#endif
		case SYS_fstat:
		*result = gkfs::hook::hook_fstat(
		static_cast<int>(arg0),
		@@ -558,42 +560,43 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		static_cast<unsigned long>(arg3),
		static_cast<unsigned long>(arg4));
		break;

		#ifdef SYS_unlink
		case SYS_unlink:
		*result = gkfs::hook::hook_unlinkat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0), 0);
		break;

		#endif
		case SYS_unlinkat:
		*result = gkfs::hook::hook_unlinkat(
		static_cast<int>(arg0), reinterpret_cast<const char*>(arg1),
		static_cast<int>(arg2));
		break;

		#ifdef SYS_rmdir
		case SYS_rmdir:
		*result = gkfs::hook::hook_unlinkat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0),
		AT_REMOVEDIR);
		break;

		#endif
		#ifdef SYS_symlink
		case SYS_symlink:
		*result = gkfs::hook::hook_symlinkat(
		reinterpret_cast<const char*>(arg0), AT_FDCWD,
		reinterpret_cast<const char*>(arg1));
		break;

		#endif
		case SYS_symlinkat:
		*result = gkfs::hook::hook_symlinkat(
		reinterpret_cast<const char*>(arg0), static_cast<int>(arg1),
		reinterpret_cast<const char*>(arg2));
		break;

		#ifdef SYS_access
		case SYS_access:
		*result =
		gkfs::hook::hook_access(reinterpret_cast<const char*>(arg0),
		static_cast<int>(arg1));
		break;

		#endif
		case SYS_faccessat:
		*result = gkfs::hook::hook_faccessat(
		static_cast<int>(arg0), reinterpret_cast<const char*>(arg1),
		@@ -627,25 +630,25 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		case SYS_dup:
		*result = gkfs::hook::hook_dup(static_cast<unsigned int>(arg0));
		break;

		#ifdef SYS_dup2
		case SYS_dup2:
		*result = gkfs::hook::hook_dup2(static_cast<unsigned int>(arg0),
		static_cast<unsigned int>(arg1));
		break;

		#endif
		case SYS_dup3:
		*result = gkfs::hook::hook_dup3(static_cast<unsigned int>(arg0),
		static_cast<unsigned int>(arg1),
		static_cast<int>(arg2));
		break;

		#ifdef SYS_getdents
		case SYS_getdents:
		*result = gkfs::hook::hook_getdents(
		static_cast<unsigned int>(arg0),
		reinterpret_cast<struct linux_dirent*>(arg1),
		static_cast<unsigned int>(arg2));
		break;

		#endif
		case SYS_getdents64:
		*result = gkfs::hook::hook_getdents64(
		static_cast<unsigned int>(arg0),
		@@ -659,19 +662,20 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		reinterpret_cast<const char*>(arg1),
		static_cast<mode_t>(arg2));
		break;

		#ifdef SYS_mkdir
		case SYS_mkdir:
		*result = gkfs::hook::hook_mkdirat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0),
		static_cast<mode_t>(arg1));
		break;

		#endif
		#ifdef SYS_chmod
		case SYS_chmod:
		*result = gkfs::hook::hook_fchmodat(AT_FDCWD,
		reinterpret_cast<char*>(arg0),
		static_cast<mode_t>(arg1));
		break;

		#endif
		case SYS_fchmod:
		*result = gkfs::hook::hook_fchmod(static_cast<unsigned int>(arg0),
		static_cast<mode_t>(arg1));
		@@ -700,13 +704,13 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		result = gkfs::hook::hook_getcwd(reinterpret_cast<char>(arg0),
		static_cast<unsigned long>(arg1));
		break;

		#ifdef SYS_readlink
		case SYS_readlink:
		*result = gkfs::hook::hook_readlinkat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0),
		reinterpret_cast<char*>(arg1), static_cast<int>(arg2));
		break;

		#endif
		case SYS_readlinkat:
		*result = gkfs::hook::hook_readlinkat(
		static_cast<int>(arg0), reinterpret_cast<const char*>(arg1),
		@@ -718,13 +722,13 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
		static_cast<unsigned int>(arg1),
		static_cast<unsigned long>(arg2));
		break;

		#ifdef SYS_rename
		case SYS_rename:
		*result = gkfs::hook::hook_renameat(
		AT_FDCWD, reinterpret_cast<const char*>(arg0), AT_FDCWD,
		reinterpret_cast<const char*>(arg1), 0);
		break;

		#endif
		case SYS_renameat:
		*result = gkfs::hook::hook_renameat(
		static_cast<int>(arg0), reinterpret_cast<const char*>(arg1),

src/client/preload_context.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -397,7 +397,7 @@ PreloadContext::protect_user_fds() {

		LOG(DEBUG, "Protecting application fds [{}, {}]", 0, MAX_USER_FDS - 1);

		const int nullfd = ::syscall_no_intercept(SYS_open, "/dev/null", O_RDONLY);
		const int nullfd = ::syscall_no_intercept(SYS_openat, 0, "/dev/null", O_RDONLY);
		assert(::syscall_error_code(nullfd) == 0);
		protected_fds_.set(nullfd);

src/client/syscalls/detail/syscall_info.c

+173 −29

File changed.

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