1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
diff -up xulrunner-9.0/mozilla-beta/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390x.cpp.696393 xulrunner-9.0/mozilla-beta/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390x.cpp
--- xulrunner-9.0/mozilla-beta/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390x.cpp.696393 2011-12-07 07:28:08.000000000 +0100
+++ xulrunner-9.0/mozilla-beta/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390x.cpp 2011-12-09 15:07:07.609097348 +0100
@@ -194,55 +194,22 @@ invoke_copy_to_stack(PRUint32 paramCount
}
}
+typedef nsresult (*vtable_func)(nsISupports *, PRUint64, PRUint64, PRUint64, PRUint64, double, double, double, double);
+
EXPORT_XPCOM_API(nsresult)
NS_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
PRUint32 paramCount, nsXPTCVariant* params)
{
- PRUint64 *vtable = *(PRUint64 **)that;
- PRUint64 method = vtable[methodIndex];
+ vtable_func *vtable = *reinterpret_cast<vtable_func **>(that);
+ vtable_func method = vtable[methodIndex];
PRUint64 overflow = invoke_count_words (paramCount, params);
+ PRUint64 *stack_space = reinterpret_cast<PRUint64 *>(__builtin_alloca((overflow + 8 /* 4 64-bits gpr + 4 64-bits fpr */) * 8));
PRUint64 result;
- __asm__ __volatile__
- (
- "lgr 7,15\n\t"
- "aghi 7,-64\n\t"
-
- "lgr 3,%3\n\t"
- "sllg 3,3,3\n\t"
- "lcgr 3,3\n\t"
- "lg 2,0(15)\n\t"
- "la 15,0(3,7)\n\t"
- "stg 2,0(15)\n\t"
-
- "lgr 2,%1\n\t"
- "lgr 3,%2\n\t"
- "la 4,160(15)\n\t"
- "lgr 5,%3\n\t"
- "basr 14,%4\n\t"
+ invoke_copy_to_stack(paramCount, params, stack_space, overflow);
- "lgr 2,%5\n\t"
- "ld 0,192(7)\n\t"
- "ld 2,200(7)\n\t"
- "ld 4,208(7)\n\t"
- "ld 6,216(7)\n\t"
- "lmg 3,6,160(7)\n\t"
- "basr 14,%6\n\t"
+ PRUint64 *d_gpr = stack_space + overflow;
+ double *d_fpr = reinterpret_cast<double *>(d_gpr + 4);
- "la 15,64(7)\n\t"
-
- "lgr %0,2\n\t"
- : "=r" (result)
- : "r" ((PRUint64)paramCount),
- "r" (params),
- "r" (overflow),
- "a" (invoke_copy_to_stack),
- "a" (that),
- "a" (method)
- : "2", "3", "4", "5", "6", "7", "14", "cc", "memory",
- "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7"
- );
-
- return result;
+ return method(that, d_gpr[0], d_gpr[1], d_gpr[2], d_gpr[3], d_fpr[0], d_fpr[1], d_fpr[2], d_fpr[3]);
}
-
|