Revision: 7302
Author: [email protected]
Date: Tue Mar 22 04:51:16 2011
Log: Fix error in test-reloc-info/Positions. This error caused a
failure on Windows 64-bit V8.
BUG=1267
TEST=test-reloc-info/Positions
Review URL: http://codereview.chromium.org/6719022
http://code.google.com/p/v8/source/detail?r=7302
Modified:
/branches/bleeding_edge/test/cctest/test-reloc-info.cc
=======================================
--- /branches/bleeding_edge/test/cctest/test-reloc-info.cc Tue Dec 7
03:01:02 2010
+++ /branches/bleeding_edge/test/cctest/test-reloc-info.cc Tue Mar 22
04:51:16 2011
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -42,24 +42,31 @@
// 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);
+ const int code_size = 10 * KB;
+ int relocation_info_size = 10 * KB;
+ const int buffer_size = code_size + relocation_info_size;
+ SmartPointer<byte> buffer(new byte[buffer_size]);
+
+ byte* pc = *buffer;
+ byte* buffer_end = *buffer + buffer_size;
+
+ RelocInfoWriter writer(buffer_end, pc);
+ byte* relocation_info_end = buffer_end - relocation_info_size;
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);
- }
+ CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end);
+ }
+
+ relocation_info_size = static_cast<int>(buffer_end - writer.pos());
+ CodeDesc desc = { *buffer, buffer_size, code_size,
+ relocation_info_size, NULL };
// Read only (non-statement) positions.
{
RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION));
- pc = *buf;
+ pc = *buffer;
for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
RelocInfo::Mode mode = (i % 2 == 0) ?
RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
@@ -76,7 +83,7 @@
// Read only statement positions.
{
RelocIterator it(desc,
RelocInfo::ModeMask(RelocInfo::STATEMENT_POSITION));
- pc = *buf;
+ pc = *buffer;
for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
RelocInfo::Mode mode = (i % 2 == 0) ?
RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
@@ -93,7 +100,7 @@
// Read both types of positions.
{
RelocIterator it(desc, RelocInfo::kPositionMask);
- pc = *buf;
+ pc = *buffer;
for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
RelocInfo::Mode mode = (i % 2 == 0) ?
RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
--
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