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Attempting to pass command-line arguments before they've been
[pintos-anon]
/
doc
/
userprog.texi
diff --git
a/doc/userprog.texi
b/doc/userprog.texi
index 75123849b0622bcd7aa312a462cba104a36761de..880fe46f74ffc4e26139f59f9f4428391247eca3 100644
(file)
--- a/
doc/userprog.texi
+++ b/
doc/userprog.texi
@@
-468,6
+468,11
@@
in @func{setup_stack}. That will work for any test program that doesn't
examine its arguments, although its name will be printed as
@code{(null)}.
examine its arguments, although its name will be printed as
@code{(null)}.
+Until you implement argument passing, you should only run programs
+without passing command-line arguments. Attempting to pass arguments to
+a program will include those arguments in the name of the program, which
+will probably fail.
+
@item
User memory access (@pxref{Accessing User Memory}). All system calls
need to read user memory. Few system calls need to write to user
@item
User memory access (@pxref{Accessing User Memory}). All system calls
need to read user memory. Few system calls need to write to user