Update V8 to r6101 as required by WebKit r74534
Change-Id: I7f84af8dd732f11898fd644b2c2b1538914cb78d
diff --git a/test/cctest/test-reloc-info.cc b/test/cctest/test-reloc-info.cc
new file mode 100644
index 0000000..2b9beac
--- /dev/null
+++ b/test/cctest/test-reloc-info.cc
@@ -0,0 +1,109 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+#include "cctest.h"
+#include "assembler.h"
+
+namespace v8 {
+namespace internal {
+
+static void WriteRinfo(RelocInfoWriter* writer,
+ byte* pc, RelocInfo::Mode mode, intptr_t data) {
+ RelocInfo rinfo(pc, mode, data);
+ writer->Write(&rinfo);
+}
+
+
+// Tests that writing both types of positions and then reading either
+// or both works as expected.
+TEST(Positions) {
+ const int instr_size = 10 << 10;
+ const int reloc_size = 10 << 10;
+ const int buf_size = instr_size + reloc_size;
+ SmartPointer<byte> buf(new byte[buf_size]);
+ byte* pc = *buf;
+ CodeDesc desc = { *buf, buf_size, instr_size, reloc_size, NULL };
+
+ RelocInfoWriter writer(*buf + buf_size, pc);
+ for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
+ RelocInfo::Mode mode = (i % 2 == 0) ?
+ RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
+ WriteRinfo(&writer, pc, mode, pos);
+ }
+
+ // Read only (non-statement) positions.
+ {
+ RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION));
+ pc = *buf;
+ for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
+ RelocInfo::Mode mode = (i % 2 == 0) ?
+ RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
+ if (mode == RelocInfo::POSITION) {
+ CHECK_EQ(pc, it.rinfo()->pc());
+ CHECK_EQ(mode, it.rinfo()->rmode());
+ CHECK_EQ(pos, static_cast<int>(it.rinfo()->data()));
+ it.next();
+ }
+ }
+ CHECK(it.done());
+ }
+
+ // Read only statement positions.
+ {
+ RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::STATEMENT_POSITION));
+ pc = *buf;
+ for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
+ RelocInfo::Mode mode = (i % 2 == 0) ?
+ RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
+ if (mode == RelocInfo::STATEMENT_POSITION) {
+ CHECK_EQ(pc, it.rinfo()->pc());
+ CHECK_EQ(mode, it.rinfo()->rmode());
+ CHECK_EQ(pos, static_cast<int>(it.rinfo()->data()));
+ it.next();
+ }
+ }
+ CHECK(it.done());
+ }
+
+ // Read both types of positions.
+ {
+ RelocIterator it(desc, RelocInfo::kPositionMask);
+ pc = *buf;
+ for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
+ RelocInfo::Mode mode = (i % 2 == 0) ?
+ RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
+ CHECK_EQ(pc, it.rinfo()->pc());
+ CHECK_EQ(mode, it.rinfo()->rmode());
+ CHECK_EQ(pos, static_cast<int>(it.rinfo()->data()));
+ it.next();
+ }
+ CHECK(it.done());
+ }
+}
+
+} } // namespace v8::internal