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Revert "ARM: Add tests for CopyBytes."

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This reverts commit r16751 for breaking arm.debug checks.

TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/24198002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
bmeurer@chromium.org 2013-09-17 10:34:30 +00:00
parent 680af93c36
commit ae5ddcd9c5
2 changed files with 1 additions and 138 deletions
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3
test/cctest/cctest.gyp
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@ -139,8 +139,7 @@
'test-assembler-arm.cc',
'test-code-stubs.cc',
'test-code-stubs-arm.cc',
'test-disasm-arm.cc',
'test-macro-assembler-arm.cc'
'test-disasm-arm.cc'
],
}],
['v8_target_arch=="mipsel"', {

136
test/cctest/test-macro-assembler-arm.cc
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@ -1,136 +0,0 @@
// Copyright 2013 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 <stdlib.h>
#include "v8.h"
#include "macro-assembler.h"
#include "arm/macro-assembler-arm.h"
#include "arm/simulator-arm.h"
#include "cctest.h"
using namespace v8::internal;
typedef void* (*F)(int x, int y, int p2, int p3, int p4);
#define __ masm->
static byte to_non_zero(int n) {
return static_cast<unsigned>(n) % 255 + 1;
}
static bool all_zeroes(const byte* beg, const byte* end) {
CHECK(beg);
CHECK(beg <= end);
while (beg < end) {
if (*beg++ != 0)
return false;
}
return true;
}
TEST(CopyBytes) {
CcTest::InitializeVM();
Isolate* isolate = Isolate::Current();
HandleScope handles(isolate);
const int data_size = 1 * KB;
size_t act_size;
// Allocate two blocks to copy data between.
byte* src_buffer = static_cast<byte*>(OS::Allocate(data_size, &act_size, 0));
CHECK(src_buffer);
CHECK(act_size >= static_cast<size_t>(data_size));
byte* dest_buffer = static_cast<byte*>(OS::Allocate(data_size, &act_size, 0));
CHECK(dest_buffer);
CHECK(act_size >= static_cast<size_t>(data_size));
// Storage for R0 and R1.
byte* r0_;
byte* r1_;
MacroAssembler assembler(isolate, NULL, 0);
MacroAssembler* masm = &assembler;
// Code to be generated: The stuff in CopyBytes followed by a store of R0 and
// R1, respectively.
__ CopyBytes(r0, r1, r2, r3);
__ mov(r2, Operand(reinterpret_cast<int>(&r0_)));
__ mov(r3, Operand(reinterpret_cast<int>(&r1_)));
__ str(r0, MemOperand(r2));
__ str(r1, MemOperand(r3));
__ bx(lr);
CodeDesc desc;
masm->GetCode(&desc);
Object* code = isolate->heap()->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Code>())->ToObjectChecked();
CHECK(code->IsCode());
F f = FUNCTION_CAST<F>(Code::cast(code)->entry());
// Initialise source data with non-zero bytes.
for (int i = 0; i < data_size; i++) {
src_buffer[i] = to_non_zero(i);
}
const int fuzz = 11;
for (int size = 0; size < 600; size++) {
for (const byte* src = src_buffer; src < src_buffer + fuzz; src++) {
for (byte* dest = dest_buffer; dest < dest_buffer + fuzz; dest++) {
memset(dest_buffer, 0, data_size);
CHECK(dest + size < dest_buffer + data_size);
(void) CALL_GENERATED_CODE(f, reinterpret_cast<int>(src),
reinterpret_cast<int>(dest), size, 0, 0);
// R0 and R1 should point at the first byte after the copied data.
CHECK_EQ(src + size, r0_);
CHECK_EQ(dest + size, r1_);
// Check that we haven't written outside the target area.
CHECK(all_zeroes(dest_buffer, dest));
CHECK(all_zeroes(dest + size, dest_buffer + data_size));
// Check the target area.
CHECK_EQ(0, memcmp(src, dest, size));
}
}
}
// Check that the source data hasn't been clobbered.
for (int i = 0; i < data_size; i++) {
CHECK(src_buffer[i] == to_non_zero(i));
}
}
#undef __