add newlib stub building script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@702 bbd45198-f89e-11dd-88c7-29a3b14d5316

2 files changed, 210 insertions, 101 deletions

diff --git a/components/libc/newlib/SConscript b/components/libc/newlib/SConscript
new file mode 100644
index 0000000000..2de094db01
--- /dev/null
+++ b/components/libc/newlib/SConscript
@@ -0,0 +1,10 @@
+Import('env')

+Import('RTT_ROOT')

+

+# The set of source files associated with this SConscript file.

+src_local = Glob('*.c')

+

+env.Append(CPPPATH = RTT_ROOT + '/components/libc/newlib')

+

+obj = env.Object(src_local)

+Return('obj')

diff --git a/components/libc/newlib/syscalls.c b/components/libc/newlib/syscalls.c
index 58e0b9c74e..3625f2d234 100644
--- a/components/libc/newlib/syscalls.c
+++ b/components/libc/newlib/syscalls.c
@@ -1,101 +1,200 @@
-#include <reent.h>
-#include <sys/errno.h>
-#include <rtthread.h>
-
-int
-_fork_r (struct _reent *r)
-{
-	/* return "not supported" */
-	r->_errno = ENOTSUP;
-	return -1;
-}
-
-/*
- * I/O routine stub
- */
-int
-_isatty_r(struct _reent *r, int fd)
-{
-	_ssize_t rc;
-
-	rc = -1;
-	/* return "not supported" */
-	r->_errno = ENOTSUP;
-
-	return rc;
-}
-
-int
-_open_r(struct _reent *r, const char *file, int flags, int mode)
-{
-	int rc;
-
-	rc = open(file, flags, mode);
-	return rc;
-}
-
-_ssize_t
-_read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
-{
-	_ssize_t rc;
-
-	rc = read(fd, buf, nbytes);
-	return rc;
-}
-
-_ssize_t
-_write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
-{
-	_ssize_t rc;
-
-	rc = write(fd, buf, nbytes);
-	return rc;
-}
-
-int
-_close_r (struct _reent *r, int fd)
-{
-	return close(fd);
-}
-
-_off_t
-_lseek_r (struct _reent *r, int fd,  _off_t offset, int whence)
-{
-	_off_t rc;
-
-	rc = lseek(fd, offset, whence);
-	return rc;
-}
-
-int _fstat_r (struct _reent *r, int fd, struct stat *pstat)
-{
-	/* return "not supported" */
-	r->_errno = ENOTSUP;
-	return -1;
-}
-
-/*
- * memory routine stub
- */
-void *
-_malloc_r (struct _reent *ptr, size_t size)
-{
-	return (void*)rt_malloc (size);
-}
-
-void *
-_realloc_r (struct _reent *ptr, void *old, size_t newlen)
-{
-	return (void*)rt_realloc (old, newlen);
-}
-
-void *_calloc_r (struct _reent *ptr, size_t size, size_t len)
-{
-  return (void*)rt_calloc (size, len);
-}
-
-void 
-_free_r (struct _reent *ptr, void *addr)
-{
-	rt_free (addr);
-}
+#include <reent.h>

+#include <sys/errno.h>

+#include <rtthread.h>

+

+/* Reentrant versions of system calls.  */

+

+int

+_close_r(struct _reent *ptr, int fd)

+{

+	return close(fd);

+}

+

+int

+_execve_r(struct _reent *ptr, const char * name, char *const *argv, char *const *env)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_fcntl_r(struct _reent *ptr, int fd, int cmd, int arg)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_fork_r(struct _reent *ptr)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_fstat_r(struct _reent *ptr, int fd, struct stat *pstat)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_getpid_r(struct _reent *ptr)

+{

+	return 0;

+}

+

+int

+_isatty_r(struct _reent *ptr, int fd)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_kill_r(struct _reent *ptr, int pid, int sig)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_link_r(struct _reent *ptr, const char *old, const char *new)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+_off_t

+_lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)

+{

+	_off_t rc;

+

+	rc = lseek(fd, pos, whence);

+	return rc;

+}

+

+int

+_mkdir_r(struct _reent *ptr, const char *name, int mode)

+{

+	int rc;

+

+	rc = mkdir(name, mode);

+	return rc;

+}

+

+int

+_open_r(struct _reent *ptr, const char *file, int flags, int mode)

+{

+	int rc;

+

+	rc = open(file, flags, mode);

+	return rc;

+}

+

+_ssize_t 

+_read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)

+{

+	_ssize_t rc;

+

+	rc = read(fd, buf, nbytes);

+	return rc;

+}

+

+int

+_rename_r(struct _reent *ptr, const char *old, const char *new)

+{

+	int rc;

+

+	rc = rename(old, new);

+	return rc;

+}

+

+void *

+_sbrk_r(struct _reent *ptr, ptrdiff_t incr)

+{

+	/* no use this routine to get memory */

+	return RT_NULL;

+}

+

+int

+_stat_r(struct _reent *ptr, const char *file, struct stat *pstat)

+{

+	int rc;

+

+	rc = stat(file, pstat);

+	return rc;

+}

+

+_CLOCK_T_

+_times_r(struct _reent *ptr, struct tms *ptms)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+int

+_unlink_r(struct _reent *ptr, const char *file)

+{

+	int rc;

+

+	rc = unlink(file);

+	return rc;

+}

+

+int

+_wait_r(struct _reent *ptr, int *status)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+_ssize_t

+_write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)

+{

+	_ssize_t rc;

+

+	rc = write(fd, buf, nbytes);

+	return rc;

+}

+

+int

+_gettimeofday_r(struct _reent *ptr, struct timeval *__tp, void *__tzp)

+{

+	/* return "not supported" */

+	ptr->_errno = ENOTSUP;

+	return -1;

+}

+

+/* Memory routine */

+void *

+_malloc_r (struct _reent *ptr, size_t size)

+{

+	return (void*)rt_malloc (size);

+}

+

+void *

+_realloc_r (struct _reent *ptr, void *old, size_t newlen)

+{

+	return (void*)rt_realloc (old, newlen);

+}

+

+void *_calloc_r (struct _reent *ptr, size_t size, size_t len)

+{

+  return (void*)rt_calloc (size, len);

+}

+

+void 

+_free_r (struct _reent *ptr, void *addr)

+{

+	rt_free (addr);

+}