9edb2367bb
Review URL: http://codereview.chromium.org/5333007 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5906 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
110 lines
4.0 KiB
C++
110 lines
4.0 KiB
C++
// 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
|