X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fuserprog.texi;h=a92697d1b4fe209cbe78b6a2d2b6965bcac41854;hb=7d4e3dda080a47db88616f1c0d975f2091be47f1;hp=884b757c59bafdc56d1990ecc7e67cedc8814c8d;hpb=8b4b30e474d03688b62ad2ccb6c1ec162c6d2a8d;p=pintos-anon

diff --git a/doc/userprog.texi b/doc/userprog.texi
index 884b757..a92697d 100644
--- a/doc/userprog.texi
+++ b/doc/userprog.texi
@@ -686,7 +686,7 @@ provide a little bit of helpful code:
    Returns true if successful, false if USRC is invalid. */
 static inline bool get_user (uint8_t *dst, const uint8_t *usrc) {
   int eax;
-  asm ("movl $1f, %%eax; movb %2, %%al; movb %%al, %0; 1:"
+  asm ("mov %%eax, offset 1f; mov %%al, %2; mov %0, %%al; 1:"
        : "=m" (*dst), "=&a" (eax) : "m" (*usrc));
   return eax != 0;
 }
@@ -695,7 +695,7 @@ static inline bool get_user (uint8_t *dst, const uint8_t *usrc) {
    Returns true if successful, false if UDST is invalid. */
 static inline bool put_user (uint8_t *udst, uint8_t byte) {
   int eax;
-  asm ("movl $1f, %%eax; movb %b2, %0; 1:"
+  asm ("mov %%eax, offset 1f; mov %0, %b2; 1:"
        : "=m" (*udst), "=&a" (eax) : "r" (byte));
   return eax != 0;
 }