In .:
[mono.git] / mono / mini / objects.cs
index bb6f6495fbb84288da680892aa38dcd3e7071b72..a9c900e831c73b5b42018531a127c20a08407fe5 100644 (file)
@@ -1,6 +1,8 @@
 using System;
+using System.Text;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
 
 /*
  * Regression tests for the mono JIT.
@@ -36,6 +38,12 @@ struct Small {
        public byte b2;
 }
 
+// Size=2, Align=1
+struct Foo {
+       bool b1;
+       bool b2;
+}
+
 struct Large {
        int one;
        int two;
@@ -76,8 +84,11 @@ class Sample {
 [StructLayout ( LayoutKind.Explicit )]
 struct StructWithBigOffsets {
                [ FieldOffset(10000) ] public byte b;
+               [ FieldOffset(10001) ] public sbyte sb;
                [ FieldOffset(11000) ] public short s;
+               [ FieldOffset(11002) ] public ushort us;
                [ FieldOffset(12000) ] public uint i;
+               [ FieldOffset(12004) ] public int si;
                [ FieldOffset(13000) ] public long l;
                [ FieldOffset(14000) ] public float f;
                [ FieldOffset(15000) ] public double d;
@@ -215,6 +226,14 @@ class Tests {
                return 5;
        }
 
+       static Simple s_v;
+       static int test_5_pass_static_struct () {
+               s_v = get_simple (1);
+               if (receive_simple (7, s_v, 9) != 0)
+                       return 0;
+               return 5;
+       }
+
        // Test alignment of small structs
 
        static Small get_small (byte v) {
@@ -238,20 +257,158 @@ class Tests {
                return 0;
        }
 
+       static int receive_small_sparc_many_args (int a, int a2, int a3, int a4, int a5, int a6, Small v, int b) {
+               if (v.b1 != 1)
+                       return 1;
+               if (v.b2 != 2)
+                       return 2;
+               return 0;
+       }
+
        static int test_5_pass_small_struct () {
                Small v = get_small (1);
                if (receive_small (7, v, 9) != 0)
                        return 0;
                if (receive_small (7, get_small (1), 9) != 0)
                        return 1;
+               if (receive_small_sparc_many_args (1, 2, 3, 4, 5, 6, v, 9) != 0)
+                       return 2;
                v = return_small (v);
                if (v.b1 != 1)
-                       return 2;
-               if (v.b2 != 2)
                        return 3;
+               if (v.b2 != 2)
+                       return 4;
                return 5;
        }
 
+       // 64-bits, 32-bit aligned
+       struct struct1 {
+               public int      a;
+               public int      b;
+       };
+
+       static int check_struct1(struct1 x) {
+               if (x.a != 1)
+                       return 1;
+               if (x.b != 2)
+                       return 2;
+               return 0;
+       }
+
+       static int pass_struct1(int a, int b, struct1 x) {
+               if (a != 3)
+                       return 3;
+               if (b != 4)
+                       return 4;
+               return check_struct1(x);
+       }
+
+       static int pass_struct1(int a, struct1 x) {
+               if (a != 3)
+                       return 3;
+               return check_struct1(x);
+       }
+
+       static int pass_struct1(struct1 x) {
+               return check_struct1(x);
+       }
+
+       static int test_0_struct1_args () {
+               int r;
+               struct1 x;
+
+               x.a = 1;
+               x.b = 2;
+               if ((r = check_struct1(x)) != 0)
+                       return r;
+               if ((r = pass_struct1(x)) != 0)
+                       return r + 10;
+               if ((r = pass_struct1(3, x)) != 0)
+                       return r + 20;
+               if ((r = pass_struct1(3, 4, x)) != 0)
+                       return r + 30;
+               return 0;
+       }
+
+       // 64-bits, 64-bit aligned
+       struct struct2 {
+               public long     a;
+       };
+
+       static int check_struct2(struct2 x) {
+               if (x.a != 1)
+                       return 1;
+               return 0;
+       }
+
+       static int pass_struct2(int a, int b, int c, struct2 x) {
+               if (a != 3)
+                       return 3;
+               if (b != 4)
+                       return 4;
+               if (c != 5)
+                       return 5;
+               return check_struct2(x);
+       }
+
+       static int pass_struct2(int a, int b, struct2 x) {
+               if (a != 3)
+                       return 3;
+               if (b != 4)
+                       return 4;
+               return check_struct2(x);
+       }
+
+       static int pass_struct2(int a, struct2 x) {
+               if (a != 3)
+                       return 3;
+               return check_struct2(x);
+       }
+
+       static int pass_struct2(struct2 x) {
+               return check_struct2(x);
+       }
+
+       static int test_0_struct2_args () {
+               int r;
+               struct2 x;
+
+               x.a = 1;
+               if ((r = check_struct2(x)) != 0)
+                       return r;
+               if ((r = pass_struct2(x)) != 0)
+                       return r + 10;
+               if ((r = pass_struct2(3, x)) != 0)
+                       return r + 20;
+               if ((r = pass_struct2(3, 4, x)) != 0)
+                       return r + 30;
+               if ((r = pass_struct2(3, 4, 5, x)) != 0)
+                       return r + 40;
+               return 0;
+       }
+
+       // 128 bits
+       struct Struct3 {
+               public long i, j, k, l;
+       }
+
+       static int pass_struct3 (int i, int j, int k, int l, int m, int n, int o, int p, Struct3 s, int q) {
+               if (s.i + s.j + s.k + s.l != 10)
+                       return 1;
+               else
+                       return 0;
+       }
+
+       static int test_0_struct3_args () {
+               Struct3 s = new Struct3 ();
+               s.i = 1;
+               s.j = 2;
+               s.k = 3;
+               s.l = 4;
+
+               return pass_struct3 (1, 2, 3, 4, 5, 6, 7, 8, s, 9);
+       }
+
        struct AStruct {
                public int i;
 
@@ -290,15 +447,21 @@ class Tests {
                StructWithBigOffsets s2 = new StructWithBigOffsets ();
 
                s.b = 0xde;
+               s.sb = 0xe;
                s.s = 0x12de;
+               s.us = 0x12da;
                s.i = 0xdeadbeef;
+               s.si = 0xcafe;
                s.l = 0xcafebabe;
                s.f = 3.14F;
                s.d = 3.14;
 
                s2.b = s.b;
+               s2.sb = s.sb;
                s2.s = s.s;
+               s2.us = s.us;
                s2.i = s.i;
+               s2.si = s.si;
                s2.l = s.l;
                s2.f = s.f;
                s2.d = s.d;
@@ -315,6 +478,12 @@ class Tests {
                        return 5;
                if (s2.d != 3.14)
                        return 6;
+               if (s2.sb != 0xe)
+                       return 7;
+               if (s2.us != 0x12da)
+                       return 9;
+               if (s2.si != 0xcafe)
+                       return 10;
 
                return 0;
        }
@@ -715,5 +884,418 @@ class Tests {
                        return 2;
                return 0;
        }
+
+       public static unsafe int test_0_pin_string () {
+               string x = "xxx";
+               fixed (char *c = x) {
+                       if (*c != 'x')
+                               return 1;
+               }
+               return 0;
+       }
+       
+       public static int my_flags;
+       public static int test_0_and_cmp_static ()
+       {
+               
+               /* various forms of test [mem], imm */
+               
+               my_flags = 0x01020304;
+               
+               if ((my_flags & 0x01020304) == 0)
+                       return 1;
+               
+               if ((my_flags & 0x00000304) == 0)
+                       return 2;
+               
+               if ((my_flags & 0x00000004) == 0)
+                       return 3;
+               
+               if ((my_flags & 0x00000300) == 0)
+                       return 4;
+               
+               if ((my_flags & 0x00020000) == 0)
+                       return 5;
+               
+               if ((my_flags & 0x01000000) == 0)
+                       return 6;
+               
+               return 0;
+       }
+       
+       static byte b;
+       public static int test_0_byte_compares ()
+       {
+               b = 0xff;
+               if (b == -1)
+                       return 1;
+               b = 0;
+               if (!(b < System.Byte.MaxValue))
+                       return 2;
+               
+               if (!(b <= System.Byte.MaxValue))
+                       return 3;
+               
+               return 0;
+       }
+
+       public static int test_71_long_shift_right () {
+               ulong value = 38654838087;
+               int x = 0;
+               byte [] buffer = new byte [1];
+               buffer [x] = ((byte)(value >> x));
+               return buffer [x];
+       }
+       
+       static long x;
+       public static int test_0_addsub_mem ()
+       {
+               x = 0;
+               x += 5;
+               
+               if (x != 5)
+                       return 1;
+               
+               x -= 10;
+               
+               if (x != -5)
+                       return 2;
+               
+               return 0;
+       }
+       
+       static ulong y;
+       public static int test_0_sh32_mem ()
+       {
+               y = 0x0102130405060708;
+               y >>= 32;
+               
+               if (y != 0x01021304)
+                       return 1;
+               
+               y = 0x0102130405060708;
+               y <<= 32;
+               
+               if (y != 0x0506070800000000)
+                       return 2;
+               
+               x = 0x0102130405060708;
+               x <<= 32;
+               
+               if (x != 0x0506070800000000)
+                       return 2;
+               
+               return 0;
+       }
+
+
+       static uint dum_de_dum = 1;
+       static int test_0_long_arg_opt ()
+       {
+               return Foo (0x1234567887654321, dum_de_dum);
+       }
+       
+       static int Foo (ulong x, ulong y)
+       {
+               if (x != 0x1234567887654321)
+                       return 1;
+               
+               if (y != 1)
+                       return 2;
+               
+               return 0;
+       }
+       
+       static int test_0_long_ret_opt ()
+       {
+               ulong x = X ();
+               if (x != 0x1234567887654321)
+                       return 1;
+               ulong y = Y ();
+               if (y != 1)
+                       return 2;
+               
+               return 0;
+       }
+       
+       static ulong X ()
+       {
+               return 0x1234567887654321;
+       }
+       
+       static ulong Y ()
+       {
+               return dum_de_dum;
+       }
+
+       /* from bug# 71515 */
+       static int counter = 0;
+       static bool WriteStuff () {
+               counter = 10;
+               return true;
+       }
+       static int test_0_cond_branch_side_effects () {
+               counter = 5;
+               if (WriteStuff());
+               if (counter == 10)
+                       return 0;
+               return 1;
+       }
+
+       // bug #74992
+       public static int arg_only_written (string file_name, int[]
+ncells ) {
+               if (file_name == null)
+                       return 1;
+
+               ncells = foo ();
+               bar (ncells [0]);
+
+               return 0;
+       }
+
+       public static int[] foo () {
+               return new int [3];
+       }
+
+       public static void bar (int i) {
+       }
+       
+
+       public static int test_0_arg_only_written ()
+       {
+               return arg_only_written ("md.in", null);
+       }               
+
+       static long position = 0;
+
+       public static int test_4_static_inc_long () {
+
+               int count = 4;
+
+               position = 0;
+
+               position += count;
+
+               return (int)position;
+       }
+
+       struct FooStruct {
+
+               public FooStruct (long l) {
+               }
+       }
+
+       static int test_0_calls_opcode_emulation () {
+               // Test that emulated opcodes do not clobber arguments already in
+               // out registers
+               checked {
+                       long val = 10000;
+                       new FooStruct (val * 10000);
+               }
+               return 0;
+       }
+
+       static int test_0_intrins_string_length () {
+               string s = "ABC";
+
+               return (s.Length == 3) ? 0 : 1;
+       }
+
+       static int test_0_intrins_string_chars () {
+               string s = "ABC";
+
+               return (s [0] == 'A' && s [1] == 'B' && s [2] == 'C') ? 0 : 1;
+       }
+
+       static int test_0_intrins_object_gettype () {
+               object o = 1;
+
+               return (o.GetType () == typeof (int)) ? 0 : 1;
+       }
+
+       static int test_0_intrins_object_gethashcode () {
+               object o = new Object ();
+
+               return (o.GetHashCode () == o.GetHashCode ()) ? 0 : 1;
+       }
+
+       class FooClass {
+       }
+
+       static int test_0_intrins_object_ctor () {
+               object o = new FooClass ();
+
+               return (o != null) ? 0 : 1;
+       }
+
+       static int test_0_intrins_array_rank () {
+               int[,] a = new int [10, 10];
+
+               return (a.Rank == 2) ? 0 : 1;
+       }
+
+       static int test_0_intrins_array_length () {
+               int[,] a = new int [10, 10];
+               Array a2 = a;
+
+               return (a2.Length == 100) ? 0 : 1;
+       }
+
+       static int test_0_intrins_runtimehelpers_offset_to_string_data () {
+               int i = RuntimeHelpers.OffsetToStringData;
+               
+               return i - i;
+       }
+
+       static int test_0_intrins_string_setchar () {
+               StringBuilder sb = new StringBuilder ("ABC");
+
+               sb [1] = 'D';
+
+               return sb.ToString () == "ADC" ? 0 : 1;
+       }
+
+       public class Bar {
+               bool allowLocation = true;
+        Foo f = new Foo ();    
+       }
+
+       static int test_0_regress_78990_unaligned_structs () {
+               new Bar ();
+
+               return 0;
+       }
+
+       static unsafe int test_97_negative_index () {
+               char[] arr = new char[] {'a', 'b'};
+               fixed (char *p = arr) {
+                       char *i = p + 2;
+                       char a = i[-2];
+                       return a;
+               }
+       }
+
+       /* bug #82281 */
+       static int test_0_unsigned_right_shift_imm0 () {
+               uint temp = 0;
+               byte[] data = new byte[256];
+               for (int i = 0; i < 1; i ++)
+                       temp = (uint)(data[temp >> 24] | data[temp >> 0]);
+               return 0;
+       }
+
+       class Foo2 {
+               public virtual int foo () {
+                       return 0;
+               }
+       }
+
+       sealed class Bar2 : Foo2 {
+               public override int foo () {
+                       return 0;
+               }
+       }
+
+       static int test_0_abcrem_check_this_removal () {
+               Bar2 b = new Bar2 ();
+
+               // The check_this generated here by the JIT should be removed
+               b.foo ();
+
+               return 0;
+       }
+
+       static int invoke_twice (Bar2 b) {
+               b.foo ();
+               // The check_this generated here by the JIT should be removed
+               b.foo ();
+
+               return 0;
+       }
+
+       static int test_0_abcrem_check_this_removal2 () {
+               Bar2 b = new Bar2 ();
+
+               invoke_twice (b);
+
+               return 0;
+       }
+
+       /* #346563 */
+       static int test_0_array_access_64_bit () {
+               int[] arr2 = new int [10];
+               for (int i = 0; i < 10; ++i)
+                       arr2 [i] = i;
+               string s = "ABCDEFGH";
+
+               byte[] arr = new byte [4];
+               arr [0] = 252;
+               arr [1] = 255;
+               arr [2] = 255;
+               arr [3] = 255;
+
+               int len = arr [0] | (arr [1] << 8) | (arr [2] << 16) | (arr [3] << 24);
+               int len2 = - (len + 2);
+
+               // Test array and string access with a 32 bit value whose upper 32 bits are
+               // undefined
+               // len2 = 3
+               if (arr2 [len2] != 2)
+                       return 1;
+               if (s [len2] != 'C')
+                       return 2;
+               return 0;
+       }
+
+       class R4Holder {
+               public static float pi = 3.14f;
+
+               public float float_field;
+       }
+
+       static int test_0_ldsfld_soft_float () {
+               if (R4Holder.pi == 3.14f)
+                       return 0;
+               else
+                       return 1;
+       }
+
+       static int test_0_ldfld_stfld_soft_float () {
+               R4Holder h = new R4Holder ();
+               h.float_field = 3.14f;
+
+               if (h.float_field == 3.14f)
+                       return 0;
+               else
+                       return 1;
+       }
+
+       class R4HolderRemote : MarshalByRefObject {
+               public static float pi = 3.14f;
+
+               public float float_field;
+       }
+
+       static int test_0_ldfld_stfld_soft_float_remote () {
+               R4HolderRemote h = new R4HolderRemote ();
+               h.float_field = 3.14f;
+
+               if (h.float_field == 3.14f)
+                       return 0;
+               else
+                       return 1;
+       }
+
+       static int test_0_locals_soft_float () {
+               float f = 0.0f;
+               
+               f = 3.14f;
+
+               if (f == 3.14f)
+                       return 0;
+               else
+                       return 1;
+       }
 }