1 files changed, 170 insertions, 0 deletions
diff --git a/newlib/libc/sys/sh/syscalls.c b/newlib/libc/sys/sh/syscalls.c
new file mode 100644
index 0000000..8d04a9e
--- /dev/null
+++ b/newlib/libc/sys/sh/syscalls.c
@@ -0,0 +1,170 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "sys/syscall.h"
+int errno;
+
+/* This is used by _sbrk.  */
+register char *stack_ptr asm ("r15");
+
+int
+_read (int file,
+       char *ptr,
+       int len)
+{
+  return __trap34 (SYS_read, file, ptr, len);
+}
+
+int
+_lseek (int file,
+	int ptr,
+	int dir)
+{
+  return __trap34 (SYS_lseek, file, ptr, dir);
+}
+
+int
+_write ( int file,
+	 char *ptr,
+	 int len)
+{
+  return __trap34 (SYS_write, file, ptr, len);
+}
+
+int
+_close (int file)
+{
+  return __trap34 (SYS_close, file, 0, 0);
+}
+
+caddr_t
+_sbrk (int incr)
+{
+  extern char end;		/* Defined by the linker */
+  static char *heap_end;
+  char *prev_heap_end;
+
+  if (heap_end == 0)
+    {
+      heap_end = &end;
+    }
+  prev_heap_end = heap_end;
+  if (heap_end + incr > stack_ptr)
+    {
+      _write (1, "Heap and stack collision\n", 25);
+      abort ();
+    }
+  heap_end += incr;
+  return (caddr_t) prev_heap_end;
+}
+
+int
+_fstat (int file,
+	struct stat *st)
+{
+  st->st_mode = S_IFCHR;
+  return 0;
+}
+
+int
+_open (const char *path,
+	int flags)
+{
+  return __trap34 (SYS_open, path, flags, 0);
+}
+
+int
+_creat (const char *path,
+	int mode)
+{
+  return __trap34 (SYS_creat, path, mode, 0);
+}
+
+int
+_unlink ()
+{
+  return -1;
+}
+
+isatty (fd)
+     int fd;
+{
+  return 1;
+}
+
+_exit (n)
+{
+  return __trap34 (SYS_exit, n, 0, 0);
+}
+
+_kill (n, m)
+{
+  return __trap34 (SYS_exit, 0xdead, 0, 0);
+}
+
+_getpid (n)
+{
+  return 1;
+}
+
+_raise ()
+{
+}
+
+int
+_stat (const char *path, struct stat *st)
+
+{
+  return __trap34 (SYS_stat, path, st, 0);
+}
+
+int
+_chmod (const char *path, short mode)
+{
+  return __trap34 (SYS_chmod, path, mode);
+}
+
+int
+_chown (const char *path, short owner, short group)
+{
+  return __trap34 (SYS_chown, path, owner, group);
+}
+
+int
+_utime (path, times)
+     const char *path;
+     char *times;
+{
+  return __trap34 (SYS_utime, path, times);
+}
+
+int
+_fork ()
+{
+  return __trap34 (SYS_fork);
+}
+
+int
+_wait (statusp)
+     int *statusp;
+{
+  return __trap34 (SYS_wait);
+}
+
+int
+_execve (const char *path, char *const argv[], char *const envp[])
+{
+  return __trap34 (SYS_execve, path, argv, envp);
+}
+
+int
+_execv (const char *path, char *const argv[])
+{
+  return __trap34 (SYS_execv, path, argv);
+}
+
+int
+_pipe (int *fd)
+{
+  return __trap34 (SYS_pipe, fd);
+}