vm/find_code_object_test.cc - Issue 10375059: Use a reserved stack local variable to store the Code object so that it can be looked up easily whe…

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Issue 10375059: Use a reserved stack local variable to store the Code object so that it can be looked up easily whe… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/

Patch Set: Created 8 years, 7 months ago

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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a	2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.	3 // BSD-style license that can be found in the LICENSE file.

4	4

5 #include "platform/assert.h"	5 #include "platform/assert.h"

6 #include "vm/class_finalizer.h"	6 #include "vm/class_finalizer.h"

7 #include "vm/compiler.h"	7 #include "vm/compiler.h"

8 #include "vm/object.h"	8 #include "vm/object.h"

9 #include "vm/pages.h"	9 #include "vm/pages.h"

10 #include "vm/stack_frame.h"	10 #include "vm/stack_frame.h"

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118 // Now try and access these functions using the code index table.	118 // Now try and access these functions using the code index table.

119 Code& code = Code::Handle();	119 Code& code = Code::Handle();

120 uword pc;	120 uword pc;

121 OS::SNPrint(buffer, 256, "foo%d", 123);	121 OS::SNPrint(buffer, 256, "foo%d", 123);

122 function_name = String::New(buffer);	122 function_name = String::New(buffer);

123 function = clsA.LookupStaticFunction(function_name);	123 function = clsA.LookupStaticFunction(function_name);

124 EXPECT(!function.IsNull());	124 EXPECT(!function.IsNull());

125 code = function.CurrentCode();	125 code = function.CurrentCode();

126 EXPECT(code.Size() > 16);	126 EXPECT(code.Size() > 16);

127 pc = code.EntryPoint() + 16;	127 pc = code.EntryPoint() + 16;

128 EXPECT(StackFrame::LookupCode(isolate, pc) == code.raw());	128 EXPECT(Code::LookupCode(pc) == code.raw());

129	129

130 OS::SNPrint(buffer, 256, "moo%d", 54);	130 OS::SNPrint(buffer, 256, "moo%d", 54);

131 function_name = String::New(buffer);	131 function_name = String::New(buffer);

132 function = clsB.LookupStaticFunction(function_name);	132 function = clsB.LookupStaticFunction(function_name);

133 EXPECT(!function.IsNull());	133 EXPECT(!function.IsNull());

134 code = function.CurrentCode();	134 code = function.CurrentCode();

135 EXPECT(code.Size() > 16);	135 EXPECT(code.Size() > 16);

136 pc = code.EntryPoint() + 16;	136 pc = code.EntryPoint() + 16;

137 EXPECT(StackFrame::LookupCode(isolate, pc) == code.raw());	137 EXPECT(Code::LookupCode(pc) == code.raw());

138	138

139 // Lookup the large function	139 // Lookup the large function

140 OS::SNPrint(buffer, 256, "moo%d", 0);	140 OS::SNPrint(buffer, 256, "moo%d", 0);

141 function_name = String::New(buffer);	141 function_name = String::New(buffer);

142 function = clsB.LookupStaticFunction(function_name);	142 function = clsB.LookupStaticFunction(function_name);

143 EXPECT(!function.IsNull());	143 EXPECT(!function.IsNull());

144 code = function.CurrentCode();	144 code = function.CurrentCode();

145 EXPECT(code.Size() > 16);	145 EXPECT(code.Size() > 16);

146 pc = code.EntryPoint() + 16;	146 pc = code.EntryPoint() + 16;

147 EXPECT(code.Size() > PageSpace::kPageSize);	147 EXPECT(code.Size() > PageSpace::kPageSize);

148 EXPECT(StackFrame::LookupCode(isolate, pc) == code.raw());	148 EXPECT(Code::LookupCode(pc) == code.raw());

149 EXPECT(code.Size() > (1 * MB));	149 EXPECT(code.Size() > (1 * MB));

150 pc = code.EntryPoint() + (1 * MB);	150 pc = code.EntryPoint() + (1 * MB);

151 EXPECT(StackFrame::LookupCode(isolate, pc) == code.raw());	151 EXPECT(Code::LookupCode(pc) == code.raw());

152 }	152 }

153	153

154 #endif // TARGET_ARCH_IA32 \|\| TARGET_ARCH_X64	154 #endif // TARGET_ARCH_IA32 \|\| TARGET_ARCH_X64

155	155

156 } // namespace dart	156 } // namespace dart

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