patch-2.4.21 linux-2.4.21/include/asm-s390x/unistd.h

• Lines: 134
• Date: 2003-06-13 07:51:38.000000000 -0700
• Orig file: linux-2.4.20/include/asm-s390x/unistd.h
• Orig date: 2002-08-02 17:39:45.000000000 -0700

diff -urN linux-2.4.20/include/asm-s390x/unistd.h linux-2.4.21/include/asm-s390x/unistd.h
@@ -180,6 +180,7 @@
 #define __NR_pivot_root         217
 #define __NR_mincore            218
 #define __NR_madvise            219
+#define __NR_readahead		222
 /*
  * Numbers 224-235 are reserved for posix acl
  */
@@ -198,31 +199,33 @@
         return (type) (res);                                 \
 } while (0)
 
-#define _svc_clobber "2", "cc", "memory"
+#define _svc_clobber "cc", "memory"
 
 #define _syscall0(type,name)                                 \
 type name(void) {                                            \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name)                          \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }
 
 #define _syscall1(type,name,type1,arg1)                      \
 type name(type1 arg1) {                                      \
         register type1 __arg1 asm("2") = arg1;               \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name),                         \
-                  "d" (__arg1)                               \
+                  "0" (__arg1)                               \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }
 
@@ -230,15 +233,16 @@
 type name(type1 arg1, type2 arg2) {                          \
         register type1 __arg1 asm("2") = arg1;               \
         register type2 __arg2 asm("3") = arg2;               \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name),                         \
-                  "d" (__arg1),                              \
+                  "0" (__arg1),                              \
                   "d" (__arg2)                               \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }
 
@@ -247,16 +251,17 @@
         register type1 __arg1 asm("2") = arg1;               \
         register type2 __arg2 asm("3") = arg2;               \
         register type3 __arg3 asm("4") = arg3;               \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name),                         \
-                  "d" (__arg1),                              \
+                  "0" (__arg1),                              \
                   "d" (__arg2),                              \
                   "d" (__arg3)                               \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }
 
@@ -267,17 +272,18 @@
         register type2 __arg2 asm("3") = arg2;               \
         register type3 __arg3 asm("4") = arg3;               \
         register type4 __arg4 asm("5") = arg4;               \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name),                         \
-                  "d" (__arg1),                              \
+                  "0" (__arg1),                              \
                   "d" (__arg2),                              \
                   "d" (__arg3),                              \
                   "d" (__arg4)                               \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }
 
@@ -290,18 +296,19 @@
         register type3 __arg3 asm("4") = arg3;               \
         register type4 __arg4 asm("5") = arg4;               \
         register type5 __arg5 asm("6") = arg5;               \
+        register long __svcres asm("2");                     \
         long __res;                                          \
         __asm__ __volatile__ (                               \
                 "    svc %b1\n"                              \
-                "    lgr  %0,2"                              \
-                : "=d" (__res)                               \
+                : "=d" (__svcres)                            \
                 : "i" (__NR_##name),                         \
-                  "d" (__arg1),                              \
+                  "0" (__arg1),                              \
                   "d" (__arg2),                              \
                   "d" (__arg3),                              \
                   "d" (__arg4),                              \
                   "d" (__arg5)                               \
                 : _svc_clobber );                            \
+        __res = __svcres;                                    \
         __syscall_return(type,__res);                        \
 }